Mailing List Archive: NANOG: users

Weekly Routing Table Report

1 2 3 4 5 6

View All

Index | Next | Previous | View Threaded

cscora at apnic

Apr 20, 2007, 11:03 AM

Post #1 of 149 (13750 views)
Permalink

Weekly Routing Table Report

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.apnic.net.

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 21 Apr, 2007

Analysis Summary
----------------

BGP routing table entries examined: 218298
Prefixes after maximum aggregation: 116609
Deaggregation factor: 1.87
Unique aggregates announced to Internet: 106012
Total ASes present in the Internet Routing Table: 24982
Prefixes per ASN: 8.74
Origin-only ASes present in the Internet Routing Table: 21749
Origin ASes announcing only one prefix: 10510
Transit ASes present in the Internet Routing Table: 3233
Transit-only ASes present in the Internet Routing Table: 80
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 21
Max AS path prepend of ASN (20858) 18
Prefixes from unregistered ASNs in the Routing Table: 7
Unregistered ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1710840640
Equivalent to 101 /8s, 249 /16s and 91 /24s
Percentage of available address space announced: 46.2
Percentage of allocated address space announced: 62.7
Percentage of available address space allocated: 73.7
Total number of prefixes smaller than registry allocations: 113985

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 50264
Total APNIC prefixes after maximum aggregation: 20187
APNIC Deaggregation factor: 2.49
Prefixes being announced from the APNIC address blocks: 47307
Unique aggregates announced from the APNIC address blocks: 21138
APNIC Region origin ASes present in the Internet Routing Table: 2920
APNIC Prefixes per ASN: 16.20
APNIC Region origin ASes announcing only one prefix: 785
APNIC Region transit ASes present in the Internet Routing Table: 439
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 291868096
Equivalent to 17 /8s, 101 /16s and 141 /24s
Percentage of available APNIC address space announced: 72.3

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 116/6, 120/6, 124/7, 126/8, 202/7
210/7, 218/7, 220/7 and 222/8

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 105906
Total ARIN prefixes after maximum aggregation: 61843
ARIN Deaggregation factor: 1.71
Prefixes being announced from the ARIN address blocks: 78009
Unique aggregates announced from the ARIN address blocks: 30289
ARIN Region origin ASes present in the Internet Routing Table: 11507
ARIN Prefixes per ASN: 6.78
ARIN Region origin ASes announcing only one prefix: 4401
ARIN Region transit ASes present in the Internet Routing Table: 1049
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 329029504
Equivalent to 19 /8s, 156 /16s and 151 /24s
Percentage of available ARIN address space announced: 72.6

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6,
208/7 and 216/8

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 44985
Total RIPE prefixes after maximum aggregation: 29464
RIPE Deaggregation factor: 1.53
Prefixes being announced from the RIPE address blocks: 41548
Unique aggregates announced from the RIPE address blocks: 27764
RIPE Region origin ASes present in the Internet Routing Table: 9506
RIPE Prefixes per ASN: 4.37
RIPE Region origin ASes announcing only one prefix: 5016
RIPE Region transit ASes present in the Internet Routing Table: 1541
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 303291136
Equivalent to 18 /8s, 19 /16s and 219 /24s
Percentage of available RIPE address space announced: 75.3

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-43007
RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 92/7, 193/8, 194/7,
212/7 and 217/8

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 14589
Total LACNIC prefixes after maximum aggregation: 4104
LACNIC Deaggregation factor: 3.55
Prefixes being announced from the LACNIC address blocks: 12688
Unique aggregates announced from the LACNIC address blocks: 7071
LACNIC Region origin ASes present in the Internet Routing Table: 779
LACNIC Prefixes per ASN: 16.29
LACNIC Region origin ASes announcing only one prefix: 249
LACNIC Region transit ASes present in the Internet Routing Table: 138
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 38357760
Equivalent to 2 /8s, 73 /16s and 75 /24s
Percentage of available LACNIC address space announced: 57.2

LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 2545
Total AfriNIC prefixes after maximum aggregation: 1005
AfriNIC Deaggregation factor: 2.53
Prefixes being announced from the AfriNIC address blocks: 1922
Unique aggregates announced from the AfriNIC address blocks: 1182
AfriNIC Region origin ASes present in the Internet Routing Table: 189
AfriNIC Prefixes per ASN: 10.17
AfriNIC Region origin ASes announcing only one prefix: 59
AfriNIC Region transit ASes present in the Internet Routing Table: 37
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 6041088
Equivalent to 0 /8s, 92 /16s and 46 /24s
Percentage of available AfriNIC address space announced: 18.0

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4134 1274 9487 269 CHINANET-BACKBONE
4755 1196 382 72 Videsh Sanchar Nigam Ltd. Aut
9583 1094 79 375 Sify Limited
9498 977 469 74 BHARTI BT INTERNET LTD.
4766 782 4943 312 Korea Telecom (KIX)
23577 779 35 708 Korea Telecom (ATM-MPLS)
17488 666 43 36 Hathway IP Over Cable Interne
7545 623 142 79 TPG Internet Pty Ltd
1221 579 1956 448 Telstra Pty Ltd
18101 529 116 26 Reliance Infocom Ltd Internet
4668 505 68 10 LG-EDS Systems Inc.
17676 503 10935 65 Softbank BB Corp.
4812 461 795 73 China Telecom (Shanghai)
9443 459 115 74 Primus Telecommunications
7474 401 217 268 SingTel Optus Pty Ltd
9829 359 274 14 BSNL National Internet Backbo
17557 358 35 172 Pakistan Telecom
4802 357 86 147 Wantree Development
4837 343 4708 157 chinanet IDC center beijing n
17974 343 129 14 PT TELEKOMUNIKASI INDONESIA

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
7018 1500 6127 986 AT&T WorldNet Services
4323 1268 1022 359 Time Warner Telecom
2386 1100 530 742 AT&T Data Communications Serv
6478 1096 335 151 AT&T Worldnet Services
11492 1037 102 17 Cable One
6197 1034 686 501 BellSouth Network Solutions,
18566 999 288 9 Covad Communications
174 950 6792 866 Cogent Communications
701 942 6677 736 UUNET Technologies, Inc.
1239 824 2716 574 Sprint
20115 822 734 426 Charter Communications
7011 783 225 465 Citizens Utilities
209 717 3734 570 Qwest
19262 710 2554 173 Verizon Global Networks
22773 703 1871 40 Cox Communications, Inc.
721 617 21756 274 DLA Systems Automation Center
852 594 1096 376 Telus Advanced Communications
5668 593 160 17 CenturyTel Internet Holdings,
7029 574 456 81 Alltel Information Services,
19916 568 49 54 OLM LLC

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
702 519 1957 413 UUNET - Commercial IP service
24863 342 47 32 LINKdotNET AS number
3301 307 1455 287 TeliaNet Sweden
3320 303 4993 251 Deutsche Telekom AG
6746 273 95 250 Dynamic Network Technologies,
8220 258 461 249 COLT Telecommunications
680 255 2043 247 DFN-IP service G-WiN
3215 239 2256 92 France Telecom Transpac
8708 236 288 229 Romania Data Systems S.A.
3269 214 2583 72 TELECOM ITALIA
3246 208 340 197 Song Networks
8551 206 196 30 Bezeq International
30890 205 17 95 SC Kappa Invexim SRL
3352 199 1799 33 Ibernet, Internet Access Netw
20858 196 34 4 EgyNet
1257 192 1180 170 SWIPnet Swedish IP Network
9116 188 134 24 Goldenlines main autonomous s
12479 185 578 6 Uni2 Autonomous System
3300 184 171 89 AUCS Communications Services
786 178 1795 178 The JANET IP Service

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8151 1047 1869 209 UniNet S.A. de C.V.
11830 483 299 19 Instituto Costarricense de El
11172 364 116 64 Servicios Alestra S.A de C.V
16814 362 22 8 NSS, S.A.
22047 310 238 12 VTR PUNTO NET S.A.
7303 267 143 24 Telecom Argentina Stet-France
6471 259 74 31 ENTEL CHILE S.A.
14117 242 17 14 Telefonica del Sur S.A.
11556 235 128 3 Cable-Wireless Panama
6147 226 176 23 Telefonica Del Peru
6503 213 171 85 AVANTEL, S.A.
20299 198 26 20 NEWCOM AMERICAS
10620 184 53 23 TVCABLE BOGOTA
10481 181 72 8 Prima S.A.
23216 158 19 42 RAMtelecom Telecomunicaciones
21826 156 28 59 INTERCABLE
7910 153 11 30 ANDINET ON LINE
19429 148 92 39 E.T.B.
14522 146 22 5 SatNet S.A.
18822 146 9 6 TELEFONICA MANQUEHUE

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
3741 291 868 232 The Internet Solution
8452 216 188 7 TEDATA
6713 143 135 11 Itissalat Al-MAGHRIB
2018 137 309 112 Tertiary Education Network
15475 129 84 4 Nile Online
5536 123 8 15 Internet Egypt Network
33783 116 7 9 EEPAD TISP TELECOM & INTERNET
24835 85 48 6 RAYA Telecom - Egypt
2905 80 173 72 The Internetworking Company o
2561 61 6 2 Egyptian Universities Network
15706 51 12 4 Sudatel Internet Exchange Aut
23889 49 16 13 MAURITIUS TELECOM
5713 44 294 34 Telkom SA Ltd
33774 43 13 24 AS Number for Telecom Algeria
16637 33 21 25 Johnnic e-Ventures
8524 30 2 6 AUCEGYPT Autonomous System
33776 30 2 7 Starcomms Nigeria Limited
33766 28 2 1 Nyala Communications Pty Ltd
21280 27 4 4 Swift Global Kenya Ltd.Is an
12455 24 6 3 Jambonet Autonomous system

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4755 1196 1124 Videsh Sanchar Nigam Ltd. Aut
11492 1037 1020 Cable One
4134 1274 1005 CHINANET-BACKBONE
18566 999 990 Covad Communications
6478 1096 945 AT&T Worldnet Services
4323 1268 909 Time Warner Telecom
9498 977 903 BHARTI BT INTERNET LTD.
8151 1047 838 UniNet S.A. de C.V.
9583 1094 719 Sify Limited
22773 703 663 Cox Communications, Inc.
17488 666 630 Hathway IP Over Cable Interne
5668 593 576 CenturyTel Internet Holdings,
7545 623 544 TPG Internet Pty Ltd
19262 710 537 Verizon Global Networks
6197 1034 533 BellSouth Network Solutions,
19916 568 514 OLM LLC
18101 529 503 Reliance Infocom Ltd Internet
855 566 495 Canadian Research Network
4668 505 495 LG-EDS Systems Inc.
7029 574 493 Alltel Information Services,

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
65332 PRIVATE 63.166.106.192/27 1803 SPRINT
64518 PRIVATE 125.18.63.0/24 7633 Software Technology
64807 PRIVATE 170.210.44.0/25 7303 Telecom Argentina St
64810 PRIVATE 170.210.78.128/25 7303 Telecom Argentina St
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
64512 PRIVATE 208.103.63.0/24 32703 Indiana Fiber Networ
22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
7.1.1.0/24 1239 Sprint
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
172.33.1.0/24 7018 AT&T WorldNet Services
192.0.10.0/24 9498 BHARTI BT INTERNET LTD.
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.153.136.0/21 721 DLA Systems Automation Center
192.172.0.0/19 721 DLA Systems Automation Center

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:9 /10:13 /11:34 /12:122
/13:236 /14:447 /15:856 /16:9348 /17:3810 /18:6307
/19:13456 /20:15185 /21:13694 /22:17774 /23:19131 /24:115716
/25:765 /26:815 /27:486 /28:60 /29:6 /30:1
/31:0 /32:8

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6478 1087 1096 AT&T Worldnet Services
11492 1023 1037 Cable One
18566 981 999 Covad Communications
9583 933 1094 Sify Limited
2386 819 1100 AT&T Data Communications Serv
7018 815 1500 AT&T WorldNet Services
6197 796 1034 BellSouth Network Solutions,
23577 765 779 Korea Telecom (ATM-MPLS)
7011 686 783 Citizens Utilities
9498 640 977 BHARTI BT INTERNET LTD.
4755 591 1196 Videsh Sanchar Nigam Ltd. Aut
4766 588 782 Korea Telecom (KIX)
19916 563 568 OLM LLC
4323 529 1268 Time Warner Telecom
4668 495 505 LG-EDS Systems Inc.
15270 494 527 PaeTec.net -a division of Pae
17488 487 666 Hathway IP Over Cable Interne
855 464 566 Canadian Research Network
5668 459 593 CenturyTel Internet Holdings,
18101 456 529 Reliance Infocom Ltd Internet

Number of /24s announced per /8 block (Global)
----------------------------------------------

4:9 7:1 8:70 9:1 12:1793 15:19
16:3 17:3 18:8 20:37 24:950 25:1
32:53 38:298 40:57 41:123 44:2 47:4
52:4 55:1 56:3 57:26 58:368 59:369
60:268 61:918 62:924 63:1964 64:3117 65:2325
66:3258 67:799 68:647 69:1807 70:500 71:111
72:1258 73:1 74:380 75:257 76:37 77:150
80:855 81:805 82:611 83:379 84:430 85:746
86:444 87:460 88:245 89:835 90:21 91:266
97:1 116:24 121:174 122:525 123:88 124:782
125:939 128:272 129:219 130:121 131:348 132:52
133:10 134:193 135:39 136:179 137:83 138:194
139:63 140:480 141:149 142:369 143:210 144:289
145:43 146:323 147:146 148:399 149:142 150:115
151:124 152:94 153:121 154:4 155:251 156:152
157:183 158:161 159:154 160:104 161:88 162:236
163:146 164:453 165:402 166:233 167:278 168:496
169:120 170:398 171:15 172:1 189:263 190:569
192:5744 193:3778 194:3071 195:2209 196:928 198:3750
199:3284 200:4697 201:954 202:7220 203:7434 204:3938
205:2105 206:2396 207:2908 208:2615 209:3615 210:2459
211:930 212:1296 213:1448 214:390 215:40 216:4005
217:1153 218:353 219:356 220:937 221:395 222:270

End of report
Report Website: http://thyme.apnic.net

cscora at apnic

Apr 27, 2007, 11:03 AM

Post #2 of 149 (13340 views)
Permalink

Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.apnic.net.

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 28 Apr, 2007

Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/04/28/0400

Analysis Summary
----------------

BGP routing table entries examined: 218834
Prefixes after maximum aggregation: 116811
Deaggregation factor: 1.87
Unique aggregates announced to Internet: 105229
Total ASes present in the Internet Routing Table: 25059
Prefixes per ASN: 8.73
Origin-only ASes present in the Internet Routing Table: 21826
Origin ASes announcing only one prefix: 10560
Transit ASes present in the Internet Routing Table: 3233
Transit-only ASes present in the Internet Routing Table: 81
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 21
Max AS path prepend of ASN (20858) 18
Prefixes from unregistered ASNs in the Routing Table: 6
Unregistered ASNs in the Routing Table: 9
Prefixes from 32-bit ASNs in the Routing Table: 3
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1715485440
Equivalent to 102 /8s, 64 /16s and 59 /24s
Percentage of available address space announced: 46.3
Percentage of allocated address space announced: 62.8
Percentage of available address space allocated: 73.7
Total number of prefixes smaller than registry allocations: 114380

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 50420
Total APNIC prefixes after maximum aggregation: 20184
APNIC Deaggregation factor: 2.50
Prefixes being announced from the APNIC address blocks: 47450
Unique aggregates announced from the APNIC address blocks: 21161
APNIC Region origin ASes present in the Internet Routing Table: 2928
APNIC Prefixes per ASN: 16.21
APNIC Region origin ASes announcing only one prefix: 789
APNIC Region transit ASes present in the Internet Routing Table: 438
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 292353792
Equivalent to 17 /8s, 108 /16s and 247 /24s
Percentage of available APNIC address space announced: 72.4

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 116/6, 120/6, 124/7, 126/8, 202/7
210/7, 218/7, 220/7 and 222/8

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 106000
Total ARIN prefixes after maximum aggregation: 61920
ARIN Deaggregation factor: 1.71
Prefixes being announced from the ARIN address blocks: 78037
Unique aggregates announced from the ARIN address blocks: 30375
ARIN Region origin ASes present in the Internet Routing Table: 11529
ARIN Prefixes per ASN: 6.77
ARIN Region origin ASes announcing only one prefix: 4410
ARIN Region transit ASes present in the Internet Routing Table: 1049
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 330775936
Equivalent to 19 /8s, 183 /16s and 61 /24s
Percentage of available ARIN address space announced: 73.0

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6,
208/7 and 216/8

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 45128
Total RIPE prefixes after maximum aggregation: 29559
RIPE Deaggregation factor: 1.53
Prefixes being announced from the RIPE address blocks: 41696
Unique aggregates announced from the RIPE address blocks: 26835
RIPE Region origin ASes present in the Internet Routing Table: 9547
RIPE Prefixes per ASN: 4.37
RIPE Region origin ASes announcing only one prefix: 5049
RIPE Region transit ASes present in the Internet Routing Table: 1539
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 305726848
Equivalent to 18 /8s, 57 /16s and 5 /24s
Percentage of available RIPE address space announced: 75.9

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-44031
RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 92/7, 193/8, 194/7,
212/7 and 217/8

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 14713
Total LACNIC prefixes after maximum aggregation: 4138
LACNIC Deaggregation factor: 3.56
Prefixes being announced from the LACNIC address blocks: 12807
Unique aggregates announced from the LACNIC address blocks: 7113
LACNIC Region origin ASes present in the Internet Routing Table: 784
LACNIC Prefixes per ASN: 16.34
LACNIC Region origin ASes announcing only one prefix: 254
LACNIC Region transit ASes present in the Internet Routing Table: 140
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 38364416
Equivalent to 2 /8s, 73 /16s and 101 /24s
Percentage of available LACNIC address space announced: 57.2

LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 2565
Total AfriNIC prefixes after maximum aggregation: 1004
AfriNIC Deaggregation factor: 2.55
Prefixes being announced from the AfriNIC address blocks: 1943
Unique aggregates announced from the AfriNIC address blocks: 1182
AfriNIC Region origin ASes present in the Internet Routing Table: 189
AfriNIC Prefixes per ASN: 10.28
AfriNIC Region origin ASes announcing only one prefix: 58
AfriNIC Region transit ASes present in the Internet Routing Table: 39
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 6062592
Equivalent to 0 /8s, 92 /16s and 130 /24s
Percentage of available AfriNIC address space announced: 18.1

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4134 1278 9505 271 CHINANET-BACKBONE
4755 1202 383 72 Videsh Sanchar Nigam Ltd. Aut
9583 1099 79 381 Sify Limited
9498 973 469 74 BHARTI BT INTERNET LTD.
4766 782 4943 312 Korea Telecom (KIX)
23577 779 35 708 Korea Telecom (ATM-MPLS)
17488 666 43 36 Hathway IP Over Cable Interne
7545 627 142 81 TPG Internet Pty Ltd
1221 545 1954 424 Telstra Pty Ltd
18101 530 116 27 Reliance Infocom Ltd Internet
4668 507 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
4812 464 811 75 China Telecom (Shanghai)
9443 458 115 74 Primus Telecommunications
7474 406 217 270 SingTel Optus Pty Ltd
17557 359 35 171 Pakistan Telecom
4802 358 86 147 Wantree Development
9829 358 274 14 BSNL National Internet Backbo
17974 346 129 12 PT TELEKOMUNIKASI INDONESIA
4837 344 4724 158 chinanet IDC center beijing n

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
7018 1490 6126 990 AT&T WorldNet Services
4323 1266 1022 360 Time Warner Telecom
2386 1137 566 757 AT&T Data Communications Serv
6478 1089 336 149 AT&T Worldnet Services
11492 1045 103 21 Cable One
6197 1035 687 502 BellSouth Network Solutions,
18566 1001 288 9 Covad Communications
174 957 6793 870 Cogent Communications
701 937 6660 730 UUNET Technologies, Inc.
20115 822 734 426 Charter Communications
1239 820 2717 577 Sprint
7011 787 226 469 Citizens Utilities
209 728 3749 583 Qwest
19262 725 2587 174 Verizon Global Networks
22773 707 1871 40 Cox Communications, Inc.
721 616 21756 273 DLA Systems Automation Center
5668 595 160 17 CenturyTel Internet Holdings,
852 594 1097 376 Telus Advanced Communications
7029 576 456 81 Alltel Information Services,
855 568 253 71 Canadian Research Network

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
702 520 1941 414 UUNET - Commercial IP service
24863 343 47 31 LINKdotNET AS number
3301 309 1455 289 TeliaNet Sweden
3320 302 4993 250 Deutsche Telekom AG
6746 275 127 252 Dynamic Network Technologies,
8220 260 461 251 COLT Telecommunications
680 257 2044 250 DFN-IP service G-WiN
3215 240 2256 92 France Telecom Transpac
8708 236 287 229 Romania Data Systems S.A.
3269 214 2583 72 TELECOM ITALIA
3246 206 339 196 Song Networks
8551 206 196 30 Bezeq International
3352 201 1799 33 Ibernet, Internet Access Netw
20858 196 34 4 EgyNet
1257 190 1180 168 SWIPnet Swedish IP Network
30890 189 15 94 SC Kappa Invexim SRL
9116 188 134 24 Goldenlines main autonomous s
12479 185 578 6 Uni2 Autonomous System
3300 183 171 88 AUCS Communications Services
786 177 1795 177 The JANET IP Service

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8151 1098 1857 211 UniNet S.A. de C.V.
11830 483 299 19 Instituto Costarricense de El
11172 364 116 64 Servicios Alestra S.A de C.V
16814 362 22 8 NSS, S.A.
22047 311 238 12 VTR PUNTO NET S.A.
7303 273 143 30 Telecom Argentina Stet-France
6471 259 74 31 ENTEL CHILE S.A.
14117 242 17 14 Telefonica del Sur S.A.
11556 235 128 3 Cable-Wireless Panama
6147 220 164 24 Telefonica Del Peru
6503 215 172 86 AVANTEL, S.A.
20299 192 23 14 NEWCOM AMERICAS
10620 185 53 23 TVCABLE BOGOTA
10481 181 72 8 Prima S.A.
23216 157 19 42 RAMtelecom Telecomunicaciones
21826 155 27 59 INTERCABLE
7910 154 11 29 ANDINET ON LINE
19429 148 92 39 E.T.B.
14522 146 22 5 SatNet S.A.
19169 142 9 27 Telconet

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
3741 291 868 232 The Internet Solution
8452 225 188 7 TEDATA
6713 143 135 11 Itissalat Al-MAGHRIB
2018 137 309 112 Tertiary Education Network
15475 129 84 4 Nile Online
5536 123 8 15 Internet Egypt Network
33783 116 7 9 EEPAD TISP TELECOM & INTERNET
24835 85 48 6 RAYA Telecom - Egypt
2905 76 174 68 The Internetworking Company o
2561 61 6 2 Egyptian Universities Network
15706 50 12 4 Sudatel Internet Exchange Aut
23889 49 16 13 MAURITIUS TELECOM
5713 44 294 34 Telkom SA Ltd
33774 43 13 24 AS Number for Telecom Algeria
16637 33 21 25 Johnnic e-Ventures
8524 30 2 6 AUCEGYPT Autonomous System
33776 30 2 7 Starcomms Nigeria Limited
33766 29 2 1 Nyala Communications Pty Ltd
21280 27 4 4 Swift Global Kenya Ltd.Is an
10798 24 2 15 Standard Bank of South Africa

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4755 1202 1130 Videsh Sanchar Nigam Ltd. Aut
11492 1045 1024 Cable One
4134 1278 1007 CHINANET-BACKBONE
18566 1001 992 Covad Communications
6478 1089 940 AT&T Worldnet Services
4323 1266 906 Time Warner Telecom
9498 973 899 BHARTI BT INTERNET LTD.
8151 1098 887 UniNet S.A. de C.V.
9583 1099 718 Sify Limited
22773 707 667 Cox Communications, Inc.
17488 666 630 Hathway IP Over Cable Interne
5668 595 578 CenturyTel Internet Holdings,
19262 725 551 Verizon Global Networks
7545 627 546 TPG Internet Pty Ltd
6197 1035 533 BellSouth Network Solutions,
19916 568 517 OLM LLC
18101 530 503 Reliance Infocom Ltd Internet
855 568 497 Canadian Research Network
4668 507 497 LG-EDS Systems Inc.
7029 576 495 Alltel Information Services,

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
65332 PRIVATE 63.166.106.192/27 1803 SPRINT
64858 PRIVATE 84.36.180.0/24 20858 EgyNet
64982 PRIVATE 89.207.224.0/24 36385 Google Incorporated
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
64512 PRIVATE 208.103.63.0/24 32703 Indiana Fiber Networ
22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
2.0.0.0/24 41856 Flagmanskaya Sluzhba Svyazi
7.1.1.0/24 1239 Sprint
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
172.33.1.0/24 7018 AT&T WorldNet Services
192.0.10.0/24 9498 BHARTI BT INTERNET LTD.
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.153.136.0/21 721 DLA Systems Automation Center
192.172.0.0/19 721 DLA Systems Automation Center

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:20 /9:9 /10:13 /11:34 /12:122
/13:238 /14:448 /15:859 /16:9374 /17:3832 /18:6334
/19:13423 /20:15231 /21:13770 /22:17794 /23:19182 /24:116001
/25:768 /26:823 /27:483 /28:61 /29:6 /30:1
/31:0 /32:8

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6478 1080 1089 AT&T Worldnet Services
11492 1031 1045 Cable One
18566 983 1001 Covad Communications
9583 937 1099 Sify Limited
2386 832 1137 AT&T Data Communications Serv
7018 807 1490 AT&T WorldNet Services
6197 796 1035 BellSouth Network Solutions,
23577 765 779 Korea Telecom (ATM-MPLS)
7011 690 787 Citizens Utilities
9498 636 973 BHARTI BT INTERNET LTD.
4755 596 1202 Videsh Sanchar Nigam Ltd. Aut
4766 588 782 Korea Telecom (KIX)
19916 563 568 OLM LLC
4323 529 1266 Time Warner Telecom
4668 496 507 LG-EDS Systems Inc.
15270 494 527 PaeTec.net -a division of Pae
17488 487 666 Hathway IP Over Cable Interne
8151 476 1098 UniNet S.A. de C.V.
855 466 568 Canadian Research Network
5668 460 595 CenturyTel Internet Holdings,

Number of /24s announced per /8 block (Global)
----------------------------------------------

2:1 4:9 7:1 8:78 9:1 12:1804
15:19 16:3 17:3 18:8 20:37 24:929
25:1 32:53 38:299 40:57 41:125 44:2
47:4 52:4 55:2 56:3 57:26 58:377
59:370 60:268 61:923 62:965 63:1956 64:3097
65:2337 66:3245 67:804 68:639 69:1824 70:504
71:104 72:1276 73:1 74:406 75:257 76:38
77:180 80:861 81:804 82:597 83:372 84:430
85:744 86:365 87:463 88:254 89:852 90:24
91:269 97:6 116:42 121:176 122:522 123:85
124:794 125:932 128:273 129:218 130:121 131:349
132:52 133:10 134:171 135:39 136:180 137:77
138:194 139:64 140:480 141:168 142:363 143:211
144:290 145:43 146:323 147:146 148:398 149:143
150:115 151:145 152:92 153:120 154:4 155:253
156:154 157:183 158:161 159:155 160:104 161:89
162:234 163:146 164:452 165:408 166:234 167:279
168:489 169:120 170:399 171:15 172:1 189:312
190:591 192:5763 193:3791 194:3086 195:2207 196:945
198:3756 199:3295 200:4712 201:957 202:7213 203:7439
204:3945 205:2099 206:2366 207:2903 208:2631 209:3620
210:2468 211:937 212:1302 213:1457 214:406 215:41
216:4012 217:1132 218:353 219:358 220:941 221:396
222:270

End of report

cscora at apnic

May 4, 2007, 11:03 AM

Post #3 of 149 (13339 views)
Permalink

Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.apnic.net.

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 05 May, 2007

Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/05/05/0400

Analysis Summary
----------------

BGP routing table entries examined: 219628
Prefixes after maximum aggregation: 116935
Deaggregation factor: 1.88
Unique aggregates announced to Internet: 106618
Total ASes present in the Internet Routing Table: 25093
Prefixes per ASN: 8.75
Origin-only ASes present in the Internet Routing Table: 21855
Origin ASes announcing only one prefix: 10575
Transit ASes present in the Internet Routing Table: 3238
Transit-only ASes present in the Internet Routing Table: 77
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 21
Max AS path prepend of ASN (20858) 18
Prefixes from unregistered ASNs in the Routing Table: 6
Unregistered ASNs in the Routing Table: 7
Prefixes from 32-bit ASNs in the Routing Table: 5
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1715790016
Equivalent to 102 /8s, 68 /16s and 224 /24s
Percentage of available address space announced: 46.3
Percentage of allocated address space announced: 62.8
Percentage of available address space allocated: 73.7
Total number of prefixes smaller than registry allocations: 114921

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 50596
Total APNIC prefixes after maximum aggregation: 20195
APNIC Deaggregation factor: 2.51
Prefixes being announced from the APNIC address blocks: 47584
Unique aggregates announced from the APNIC address blocks: 21230
APNIC Region origin ASes present in the Internet Routing Table: 2933
APNIC Prefixes per ASN: 16.22
APNIC Region origin ASes announcing only one prefix: 788
APNIC Region transit ASes present in the Internet Routing Table: 440
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 292731328
Equivalent to 17 /8s, 114 /16s and 185 /24s
Percentage of available APNIC address space announced: 72.5

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 116/6, 120/6, 124/7, 126/8, 202/7
210/7, 218/7, 220/7 and 222/8

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 106199
Total ARIN prefixes after maximum aggregation: 61978
ARIN Deaggregation factor: 1.71
Prefixes being announced from the ARIN address blocks: 78168
Unique aggregates announced from the ARIN address blocks: 30453
ARIN Region origin ASes present in the Internet Routing Table: 11538
ARIN Prefixes per ASN: 6.77
ARIN Region origin ASes announcing only one prefix: 4425
ARIN Region transit ASes present in the Internet Routing Table: 1056
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 331984768
Equivalent to 19 /8s, 201 /16s and 175 /24s
Percentage of available ARIN address space announced: 73.3

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6,
208/7 and 216/8

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 45303
Total RIPE prefixes after maximum aggregation: 29640
RIPE Deaggregation factor: 1.53
Prefixes being announced from the RIPE address blocks: 41854
Unique aggregates announced from the RIPE address blocks: 27995
RIPE Region origin ASes present in the Internet Routing Table: 9570
RIPE Prefixes per ASN: 4.37
RIPE Region origin ASes announcing only one prefix: 5051
RIPE Region transit ASes present in the Internet Routing Table: 1534
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 304882816
Equivalent to 18 /8s, 44 /16s and 36 /24s
Percentage of available RIPE address space announced: 75.7

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-44031
RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 92/7, 193/8, 194/7,
212/7 and 217/8

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 14941
Total LACNIC prefixes after maximum aggregation: 4105
LACNIC Deaggregation factor: 3.64
Prefixes being announced from the LACNIC address blocks: 13030
Unique aggregates announced from the LACNIC address blocks: 7169
LACNIC Region origin ASes present in the Internet Routing Table: 785
LACNIC Prefixes per ASN: 16.60
LACNIC Region origin ASes announcing only one prefix: 254
LACNIC Region transit ASes present in the Internet Routing Table: 140
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 38440704
Equivalent to 2 /8s, 74 /16s and 143 /24s
Percentage of available LACNIC address space announced: 57.3

LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 2579
Total AfriNIC prefixes after maximum aggregation: 1007
AfriNIC Deaggregation factor: 2.56
Prefixes being announced from the AfriNIC address blocks: 1959
Unique aggregates announced from the AfriNIC address blocks: 1193
AfriNIC Region origin ASes present in the Internet Routing Table: 189
AfriNIC Prefixes per ASN: 10.37
AfriNIC Region origin ASes announcing only one prefix: 57
AfriNIC Region transit ASes present in the Internet Routing Table: 37
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 6070016
Equivalent to 0 /8s, 92 /16s and 159 /24s
Percentage of available AfriNIC address space announced: 18.1

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4134 1282 9603 274 CHINANET-BACKBONE
4755 1205 383 72 Videsh Sanchar Nigam Ltd. Aut
9583 1108 79 381 Sify Limited
9498 974 469 73 BHARTI BT INTERNET LTD.
4766 784 4943 312 Korea Telecom (KIX)
23577 778 35 706 Korea Telecom (ATM-MPLS)
17488 672 44 34 Hathway IP Over Cable Interne
7545 627 142 80 TPG Internet Pty Ltd
1221 543 1954 421 Telstra Pty Ltd
18101 534 116 27 Reliance Infocom Ltd Internet
4668 507 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
4812 465 799 75 China Telecom (Shanghai)
9443 453 115 74 Primus Telecommunications
7474 411 217 268 SingTel Optus Pty Ltd
4802 359 86 148 Wantree Development
17557 359 35 170 Pakistan Telecom
9829 354 273 10 BSNL National Internet Backbo
4837 346 4725 160 chinanet IDC center beijing n
17974 344 129 12 PT TELEKOMUNIKASI INDONESIA

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
7018 1495 6134 986 AT&T WorldNet Services
4323 1263 1023 361 Time Warner Telecom
2386 1136 580 754 AT&T Data Communications Serv
6478 1091 337 133 AT&T Worldnet Services
11492 1049 103 20 Cable One
6197 1034 688 503 BellSouth Network Solutions,
18566 1001 288 9 Covad Communications
174 968 6793 877 Cogent Communications
701 958 6660 731 UUNET Technologies, Inc.
20115 824 738 431 Charter Communications
1239 819 2717 580 Sprint
7011 790 226 471 Citizens Utilities
19262 769 2596 208 Verizon Global Networks
209 731 3862 584 Qwest
22773 710 1872 42 Cox Communications, Inc.
721 601 21739 270 DLA Systems Automation Center
5668 598 160 17 CenturyTel Internet Holdings,
852 589 1096 371 Telus Advanced Communications
7029 582 456 81 Alltel Information Services,
855 568 253 71 Canadian Research Network

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
702 522 1941 416 UUNET - Commercial IP service
24863 344 47 30 LINKdotNET AS number
3301 310 1455 290 TeliaNet Sweden
3320 302 4993 250 Deutsche Telekom AG
6746 275 128 252 Dynamic Network Technologies,
8220 259 461 250 COLT Telecommunications
680 257 2044 250 DFN-IP service G-WiN
3215 240 2256 92 France Telecom Transpac
8708 236 287 229 Romania Data Systems S.A.
3352 224 1799 33 Ibernet, Internet Access Netw
3269 214 2583 73 TELECOM ITALIA
3246 208 340 198 Song Networks
8551 206 196 30 Bezeq International
30890 205 17 95 SC Kappa Invexim SRL
20858 196 34 4 EgyNet
1257 190 1180 168 SWIPnet Swedish IP Network
9116 189 134 24 Goldenlines main autonomous s
3300 185 171 90 AUCS Communications Services
12479 185 578 6 Uni2 Autonomous System
786 177 1795 177 The JANET IP Service

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8151 1179 1869 210 UniNet S.A. de C.V.
11830 483 299 19 Instituto Costarricense de El
11172 364 116 63 Servicios Alestra S.A de C.V
16814 362 22 8 NSS, S.A.
22047 310 238 12 VTR PUNTO NET S.A.
7303 273 143 28 Telecom Argentina Stet-France
6471 259 74 31 ENTEL CHILE S.A.
14117 242 17 14 Telefonica del Sur S.A.
11556 235 128 3 Cable-Wireless Panama
6147 221 166 25 Telefonica Del Peru
6503 215 172 86 AVANTEL, S.A.
20299 192 23 14 NEWCOM AMERICAS
10620 185 53 23 TVCABLE BOGOTA
10481 181 72 8 Prima S.A.
23216 157 19 42 RAMtelecom Telecomunicaciones
14522 155 25 7 SatNet S.A.
21826 155 27 59 INTERCABLE
7910 154 11 29 ANDINET ON LINE
19429 151 93 41 E.T.B.
19169 143 9 26 Telconet

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
3741 291 868 232 The Internet Solution
8452 228 188 7 TEDATA
6713 143 135 11 Itissalat Al-MAGHRIB
2018 137 309 112 Tertiary Education Network
15475 129 84 4 Nile Online
5536 123 8 15 Internet Egypt Network
33783 119 8 9 EEPAD TISP TELECOM & INTERNET
24835 85 48 6 RAYA Telecom - Egypt
2905 81 174 73 The Internetworking Company o
2561 55 6 2 Egyptian Universities Network
15706 51 12 4 Sudatel Internet Exchange Aut
23889 49 16 13 MAURITIUS TELECOM
5713 44 294 34 Telkom SA Ltd
33774 43 13 24 AS Number for Telecom Algeria
16637 33 21 25 Johnnic e-Ventures
33776 31 2 6 Starcomms Nigeria Limited
8524 30 2 6 AUCEGYPT Autonomous System
21280 29 4 4 Swift Global Kenya Ltd.Is an
33766 29 2 1 Nyala Communications Pty Ltd
12455 25 6 3 Jambonet Autonomous system

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4755 1205 1133 Videsh Sanchar Nigam Ltd. Aut
11492 1049 1029 Cable One
4134 1282 1008 CHINANET-BACKBONE
18566 1001 992 Covad Communications
8151 1179 969 UniNet S.A. de C.V.
6478 1091 958 AT&T Worldnet Services
4323 1263 902 Time Warner Telecom
9498 974 901 BHARTI BT INTERNET LTD.
9583 1108 727 Sify Limited
22773 710 668 Cox Communications, Inc.
17488 672 638 Hathway IP Over Cable Interne
5668 598 581 CenturyTel Internet Holdings,
19262 769 561 Verizon Global Networks
7545 627 547 TPG Internet Pty Ltd
6197 1034 531 BellSouth Network Solutions,
19916 568 517 OLM LLC
18101 534 507 Reliance Infocom Ltd Internet
7029 582 501 Alltel Information Services,
855 568 497 Canadian Research Network
4668 507 497 LG-EDS Systems Inc.

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
65332 PRIVATE 63.166.106.192/27 1803 SPRINT
65242 PRIVATE 64.222.142.0/24 13674 Bell Atlantic Global
64858 PRIVATE 84.36.180.0/24 20858 EgyNet
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
65534 PRIVATE 203.222.150.0/24 4817 Techex Primary Netbl
22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
2.0.0.0/24 41856 Flagmanskaya Sluzhba Svyazi
7.1.1.0/24 1239 Sprint
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
172.33.1.0/24 7018 AT&T WorldNet Services
192.0.10.0/24 9498 BHARTI BT INTERNET LTD.
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.153.136.0/21 721 DLA Systems Automation Center
192.172.0.0/19 721 DLA Systems Automation Center

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:9 /10:13 /11:34 /12:123
/13:238 /14:450 /15:862 /16:9372 /17:3837 /18:6368
/19:13452 /20:15279 /21:13824 /22:17896 /23:19200 /24:116510
/25:759 /26:818 /27:491 /28:59 /29:6 /30:1
/31:0 /32:8

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6478 1082 1091 AT&T Worldnet Services
11492 1035 1049 Cable One
18566 983 1001 Covad Communications
9583 946 1108 Sify Limited
2386 832 1136 AT&T Data Communications Serv
7018 807 1495 AT&T WorldNet Services
6197 795 1034 BellSouth Network Solutions,
23577 764 778 Korea Telecom (ATM-MPLS)
7011 693 790 Citizens Utilities
9498 638 974 BHARTI BT INTERNET LTD.
4755 600 1205 Videsh Sanchar Nigam Ltd. Aut
4766 590 784 Korea Telecom (KIX)
19916 563 568 OLM LLC
8151 557 1179 UniNet S.A. de C.V.
4323 522 1263 Time Warner Telecom
4668 496 507 LG-EDS Systems Inc.
15270 495 528 PaeTec.net -a division of Pae
17488 493 672 Hathway IP Over Cable Interne
855 466 568 Canadian Research Network
5668 463 598 CenturyTel Internet Holdings,

Number of /24s announced per /8 block (Global)
----------------------------------------------

2:1 4:9 7:1 8:73 9:1 12:1805
15:19 16:3 17:3 18:8 20:37 24:927
25:1 32:53 38:306 40:60 41:127 44:2
47:4 52:4 55:2 56:3 57:26 58:391
59:371 60:272 61:930 62:970 63:1972 64:3073
65:2363 66:3261 67:806 68:636 69:1829 70:499
71:104 72:1314 73:1 74:414 75:258 76:45
77:145 80:858 81:805 82:600 83:373 84:435
85:750 86:360 87:464 88:264 89:851 90:7
91:272 97:6 116:55 121:175 122:520 123:97
124:798 125:926 128:278 129:219 130:123 131:347
132:52 133:11 134:193 135:39 136:183 137:78
138:197 139:65 140:477 141:164 142:371 143:234
144:289 145:43 146:323 147:145 148:400 149:142
150:116 151:158 152:92 153:120 154:4 155:252
156:155 157:185 158:160 159:156 160:105 161:89
162:234 163:176 164:452 165:405 166:234 167:279
168:491 169:118 170:400 171:16 172:1 189:396
190:600 192:5760 193:3806 194:3107 195:2213 196:951
198:3753 199:3300 200:4763 201:979 202:7240 203:7464
204:3953 205:2088 206:2358 207:2880 208:2665 209:3606
210:2478 211:937 212:1312 213:1460 214:408 215:41
216:3999 217:1139 218:356 219:356 220:949 221:408
222:269

End of report

cscora at apnic

May 11, 2007, 11:03 AM

Post #4 of 149 (13301 views)
Permalink

Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.apnic.net.

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 12 May, 2007

Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/05/12/0400

Analysis Summary
----------------

BGP routing table entries examined: 219961
Prefixes after maximum aggregation: 117145
Deaggregation factor: 1.88
Unique aggregates announced to Internet: 106816
Total ASes present in the Internet Routing Table: 25145
Prefixes per ASN: 8.75
Origin-only ASes present in the Internet Routing Table: 21900
Origin ASes announcing only one prefix: 10598
Transit ASes present in the Internet Routing Table: 3245
Transit-only ASes present in the Internet Routing Table: 78
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 25
Max AS path prepend of ASN (15941) 12
Prefixes from unregistered ASNs in the Routing Table: 6
Unregistered ASNs in the Routing Table: 7
Prefixes from 32-bit ASNs in the Routing Table: 5
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1718002624
Equivalent to 102 /8s, 102 /16s and 163 /24s
Percentage of available address space announced: 46.4
Percentage of allocated address space announced: 62.9
Percentage of available address space allocated: 73.7
Total number of prefixes smaller than registry allocations: 115143

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 50626
Total APNIC prefixes after maximum aggregation: 20239
APNIC Deaggregation factor: 2.50
Prefixes being announced from the APNIC address blocks: 47626
Unique aggregates announced from the APNIC address blocks: 21252
APNIC Region origin ASes present in the Internet Routing Table: 2938
APNIC Prefixes per ASN: 16.21
APNIC Region origin ASes announcing only one prefix: 789
APNIC Region transit ASes present in the Internet Routing Table: 437
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 292851136
Equivalent to 17 /8s, 116 /16s and 141 /24s
Percentage of available APNIC address space announced: 72.5

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 116/6, 120/6, 124/7, 126/8, 202/7
210/7, 218/7, 220/7 and 222/8

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 106230
Total ARIN prefixes after maximum aggregation: 62027
ARIN Deaggregation factor: 1.71
Prefixes being announced from the ARIN address blocks: 78316
Unique aggregates announced from the ARIN address blocks: 30543
ARIN Region origin ASes present in the Internet Routing Table: 11559
ARIN Prefixes per ASN: 6.78
ARIN Region origin ASes announcing only one prefix: 4431
ARIN Region transit ASes present in the Internet Routing Table: 1052
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 332297344
Equivalent to 19 /8s, 206 /16s and 116 /24s
Percentage of available ARIN address space announced: 73.4

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6,
208/7 and 216/8

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 45499
Total RIPE prefixes after maximum aggregation: 29737
RIPE Deaggregation factor: 1.53
Prefixes being announced from the RIPE address blocks: 42028
Unique aggregates announced from the RIPE address blocks: 28098
RIPE Region origin ASes present in the Internet Routing Table: 9594
RIPE Prefixes per ASN: 4.38
RIPE Region origin ASes announcing only one prefix: 5070
RIPE Region transit ASes present in the Internet Routing Table: 1548
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 305989504
Equivalent to 18 /8s, 61 /16s and 7 /24s
Percentage of available RIPE address space announced: 76.0

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-44031
RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 92/7, 193/8, 194/7,
212/7 and 217/8

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 15036
Total LACNIC prefixes after maximum aggregation: 4117
LACNIC Deaggregation factor: 3.65
Prefixes being announced from the LACNIC address blocks: 13136
Unique aggregates announced from the LACNIC address blocks: 7191
LACNIC Region origin ASes present in the Internet Routing Table: 786
LACNIC Prefixes per ASN: 16.71
LACNIC Region origin ASes announcing only one prefix: 252
LACNIC Region transit ASes present in the Internet Routing Table: 140
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 38730752
Equivalent to 2 /8s, 78 /16s and 252 /24s
Percentage of available LACNIC address space announced: 57.7

LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 2560
Total AfriNIC prefixes after maximum aggregation: 1015
AfriNIC Deaggregation factor: 2.52
Prefixes being announced from the AfriNIC address blocks: 1927
Unique aggregates announced from the AfriNIC address blocks: 1188
AfriNIC Region origin ASes present in the Internet Routing Table: 189
AfriNIC Prefixes per ASN: 10.20
AfriNIC Region origin ASes announcing only one prefix: 56
AfriNIC Region transit ASes present in the Internet Routing Table: 35
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 6036480
Equivalent to 0 /8s, 92 /16s and 28 /24s
Percentage of available AfriNIC address space announced: 18.0

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4134 1283 9605 275 CHINANET-BACKBONE
4755 1213 383 72 Videsh Sanchar Nigam Ltd. Aut
9583 1108 79 382 Sify Limited
9498 976 469 72 BHARTI BT INTERNET LTD.
4766 783 4943 312 Korea Telecom (KIX)
23577 776 35 705 Korea Telecom (ATM-MPLS)
17488 676 44 35 Hathway IP Over Cable Interne
7545 628 142 80 TPG Internet Pty Ltd
1221 543 1954 422 Telstra Pty Ltd
18101 536 116 28 Reliance Infocom Ltd Internet
4668 508 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
4812 460 807 76 China Telecom (Shanghai)
9443 452 115 74 Primus Telecommunications
7474 413 217 269 SingTel Optus Pty Ltd
4802 360 86 148 Wantree Development
17557 356 37 169 Pakistan Telecom
17974 350 129 12 PT TELEKOMUNIKASI INDONESIA
4837 344 4709 159 chinanet IDC center beijing n
4808 331 669 112 CNCGROUP IP network: China169

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
7018 1498 6144 993 AT&T WorldNet Services
4323 1265 1027 360 Time Warner Telecom
2386 1125 580 752 AT&T Data Communications Serv
6478 1094 339 133 AT&T Worldnet Services
11492 1047 104 22 Cable One
6197 1033 688 503 BellSouth Network Solutions,
18566 1006 288 9 Covad Communications
174 967 6792 875 Cogent Communications
701 958 6660 730 UUNET Technologies, Inc.
20115 818 742 428 Charter Communications
1239 816 2716 577 Sprint
19262 774 2620 209 Verizon Global Networks
7011 752 217 463 Citizens Utilities
209 729 3847 583 Qwest
22773 714 1888 43 Cox Communications, Inc.
5668 601 160 17 CenturyTel Internet Holdings,
721 597 21755 271 DLA Systems Automation Center
852 589 1096 370 Telus Advanced Communications
7029 584 456 79 Alltel Information Services,
19916 568 49 51 OLM LLC

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
702 522 1941 415 UUNET - Commercial IP service
24863 344 47 30 LINKdotNET AS number
3301 309 1455 289 TeliaNet Sweden
3320 303 4993 251 Deutsche Telekom AG
6746 277 128 254 Dynamic Network Technologies,
680 257 2044 250 DFN-IP service G-WiN
8220 253 460 244 COLT Telecommunications
3215 238 2254 95 France Telecom Transpac
8708 235 287 228 Romania Data Systems S.A.
3269 216 2647 74 TELECOM ITALIA
3246 208 340 198 Song Networks
8551 206 196 30 Bezeq International
3352 203 1783 37 Ibernet, Internet Access Netw
30890 202 17 94 SC Kappa Invexim SRL
20858 196 34 4 EgyNet
9116 193 136 25 Goldenlines main autonomous s
1257 190 1180 168 SWIPnet Swedish IP Network
12479 184 578 6 Uni2 Autonomous System
3300 183 171 89 AUCS Communications Services
786 177 1795 177 The JANET IP Service

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8151 1208 1870 213 UniNet S.A. de C.V.
11830 483 299 19 Instituto Costarricense de El
11172 365 116 63 Servicios Alestra S.A de C.V
16814 362 22 8 NSS, S.A.
22047 318 238 12 VTR PUNTO NET S.A.
7303 280 143 29 Telecom Argentina Stet-France
6471 259 74 31 ENTEL CHILE S.A.
14117 243 17 14 Telefonica del Sur S.A.
11556 229 128 3 Cable-Wireless Panama
6147 221 166 25 Telefonica Del Peru
6503 215 172 86 AVANTEL, S.A.
20299 190 23 12 NEWCOM AMERICAS
10620 185 53 23 TVCABLE BOGOTA
10481 181 72 8 Prima S.A.
23216 157 19 42 RAMtelecom Telecomunicaciones
14522 155 25 7 SatNet S.A.
21826 155 27 59 INTERCABLE
7910 154 11 29 ANDINET ON LINE
19429 151 93 41 E.T.B.
19169 143 9 26 Telconet

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
3741 290 868 232 The Internet Solution
8452 229 188 7 TEDATA
6713 143 135 11 Itissalat Al-MAGHRIB
2018 137 309 112 Tertiary Education Network
15475 129 84 4 Nile Online
5536 123 8 15 Internet Egypt Network
33783 119 8 9 EEPAD TISP TELECOM & INTERNET
24835 85 48 6 RAYA Telecom - Egypt
2905 76 174 73 The Internetworking Company o
2561 61 6 2 Egyptian Universities Network
15706 56 12 4 Sudatel Internet Exchange Aut
23889 49 16 13 MAURITIUS TELECOM
5713 44 294 34 Telkom SA Ltd
33774 43 13 24 AS Number for Telecom Algeria
16637 33 21 25 Johnnic e-Ventures
8524 30 2 6 AUCEGYPT Autonomous System
21280 28 4 4 Swift Global Kenya Ltd.Is an
12455 25 6 3 Jambonet Autonomous system
10798 24 2 15 Standard Bank of South Africa
33776 24 2 7 Starcomms Nigeria Limited

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4755 1213 1141 Videsh Sanchar Nigam Ltd. Aut
11492 1047 1025 Cable One
4134 1283 1008 CHINANET-BACKBONE
18566 1006 997 Covad Communications
8151 1208 995 UniNet S.A. de C.V.
6478 1094 961 AT&T Worldnet Services
4323 1265 905 Time Warner Telecom
9498 976 904 BHARTI BT INTERNET LTD.
9583 1108 726 Sify Limited
22773 714 671 Cox Communications, Inc.
17488 676 641 Hathway IP Over Cable Interne
5668 601 584 CenturyTel Internet Holdings,
19262 774 565 Verizon Global Networks
7545 628 548 TPG Internet Pty Ltd
6197 1033 530 BellSouth Network Solutions,
19916 568 517 OLM LLC
18101 536 508 Reliance Infocom Ltd Internet
7029 584 505 Alltel Information Services,
4668 508 498 LG-EDS Systems Inc.
15270 531 496 PaeTec.net -a division of Pae

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
65019 PRIVATE 63.138.117.0/24 19034 Norcom Networks Corp
65332 PRIVATE 63.166.106.192/27 1803 SPRINT
65242 PRIVATE 64.222.142.0/24 13674 Bell Atlantic Global
64858 PRIVATE 84.36.180.0/24 20858 EgyNet
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
7.1.1.0/24 1239 Sprint
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
172.33.1.0/24 7018 AT&T WorldNet Services
192.0.10.0/24 9498 BHARTI BT INTERNET LTD.
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.153.136.0/21 721 DLA Systems Automation Center
192.172.0.0/19 721 DLA Systems Automation Center

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:9 /10:14 /11:34 /12:123
/13:238 /14:450 /15:866 /16:9378 /17:3849 /18:6400
/19:13475 /20:15351 /21:13875 /22:17960 /23:19236 /24:116532
/25:775 /26:829 /27:476 /28:59 /29:5 /30:0
/31:0 /32:8

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6478 1085 1094 AT&T Worldnet Services
11492 1033 1047 Cable One
18566 988 1006 Covad Communications
9583 946 1108 Sify Limited
2386 822 1125 AT&T Data Communications Serv
7018 808 1498 AT&T WorldNet Services
6197 794 1033 BellSouth Network Solutions,
23577 762 776 Korea Telecom (ATM-MPLS)
7011 660 752 Citizens Utilities
9498 642 976 BHARTI BT INTERNET LTD.
4755 608 1213 Videsh Sanchar Nigam Ltd. Aut
4766 590 783 Korea Telecom (KIX)
8151 584 1208 UniNet S.A. de C.V.
19916 563 568 OLM LLC
4323 524 1265 Time Warner Telecom
15270 498 531 PaeTec.net -a division of Pae
4668 497 508 LG-EDS Systems Inc.
17488 497 676 Hathway IP Over Cable Interne
5668 466 601 CenturyTel Internet Holdings,
855 464 566 Canadian Research Network

Number of /24s announced per /8 block (Global)
----------------------------------------------

4:8 7:1 8:73 9:1 12:1798 13:1
15:19 16:3 17:3 18:8 20:37 24:944
25:1 32:53 38:311 40:60 41:122 44:2
47:5 52:4 55:2 56:3 57:26 58:393
59:341 60:273 61:939 62:970 63:1971 64:3071
65:2359 66:3272 67:801 68:634 69:1828 70:499
71:104 72:1327 73:1 74:437 75:259 76:51
77:151 80:845 81:802 82:600 83:373 84:435
85:767 86:359 87:471 88:270 89:862 90:6
91:293 97:6 116:59 121:181 122:526 123:94
124:796 125:930 128:281 129:219 130:124 131:364
132:52 133:11 134:193 135:39 136:183 137:78
138:138 139:66 140:477 141:170 142:371 143:234
144:291 145:43 146:324 147:117 148:386 149:144
150:115 151:159 152:92 153:120 154:4 155:253
156:152 157:187 158:160 159:157 160:105 161:90
162:234 163:176 164:452 165:406 166:228 167:281
168:495 169:120 170:379 171:16 172:1 189:427
190:604 192:5758 193:3809 194:3097 195:2203 196:924
198:3742 199:3295 200:4759 201:1005 202:7238 203:7485
204:3951 205:2072 206:2361 207:2881 208:2673 209:3582
210:2481 211:945 212:1311 213:1458 214:409 215:40
216:4010 217:1147 218:355 219:358 220:952 221:408
222:264

End of report

cscora at apnic

May 18, 2007, 11:03 AM

Post #5 of 149 (13349 views)
Permalink

Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.apnic.net.

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 19 May, 2007

Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/05/19/0400

Analysis Summary
----------------

BGP routing table entries examined: 220732
Prefixes after maximum aggregation: 117049
Deaggregation factor: 1.89
Unique aggregates announced to Internet: 105996
Total ASes present in the Internet Routing Table: 25225
Prefixes per ASN: 8.75
Origin-only ASes present in the Internet Routing Table: 21975
Origin ASes announcing only one prefix: 10641
Transit ASes present in the Internet Routing Table: 3250
Transit-only ASes present in the Internet Routing Table: 78
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 25
Max AS path prepend of ASN (16327) 21
Prefixes from unregistered ASNs in the Routing Table: 5
Unregistered ASNs in the Routing Table: 6
Prefixes from 32-bit ASNs in the Routing Table: 5
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1719963072
Equivalent to 102 /8s, 132 /16s and 141 /24s
Percentage of available address space announced: 46.4
Percentage of allocated address space announced: 61.5
Percentage of available address space allocated: 75.5
Total number of prefixes smaller than registry allocations: 115734

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 50831
Total APNIC prefixes after maximum aggregation: 19941
APNIC Deaggregation factor: 2.55
Prefixes being announced from the APNIC address blocks: 47840
Unique aggregates announced from the APNIC address blocks: 20175
APNIC Region origin ASes present in the Internet Routing Table: 2942
APNIC Prefixes per ASN: 16.26
APNIC Region origin ASes announcing only one prefix: 784
APNIC Region transit ASes present in the Internet Routing Table: 441
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 293387456
Equivalent to 17 /8s, 124 /16s and 188 /24s
Percentage of available APNIC address space announced: 72.7

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 116/6, 120/6, 124/7, 126/8, 202/7
210/7, 218/7, 220/7 and 222/8

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 106442
Total ARIN prefixes after maximum aggregation: 62110
ARIN Deaggregation factor: 1.71
Prefixes being announced from the ARIN address blocks: 78505
Unique aggregates announced from the ARIN address blocks: 30674
ARIN Region origin ASes present in the Internet Routing Table: 11581
ARIN Prefixes per ASN: 6.78
ARIN Region origin ASes announcing only one prefix: 4443
ARIN Region transit ASes present in the Internet Routing Table: 1052
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 333456768
Equivalent to 19 /8s, 224 /16s and 37 /24s
Percentage of available ARIN address space announced: 73.6

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6,
208/7 and 216/8

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 45700
Total RIPE prefixes after maximum aggregation: 29847
RIPE Deaggregation factor: 1.53
Prefixes being announced from the RIPE address blocks: 42217
Unique aggregates announced from the RIPE address blocks: 28140
RIPE Region origin ASes present in the Internet Routing Table: 9643
RIPE Prefixes per ASN: 4.38
RIPE Region origin ASes announcing only one prefix: 5100
RIPE Region transit ASes present in the Internet Routing Table: 1549
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 306226304
Equivalent to 18 /8s, 64 /16s and 164 /24s
Percentage of available RIPE address space announced: 76.1

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-44031
RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 92/7, 193/8, 194/7,
212/7 and 217/8

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 15169
Total LACNIC prefixes after maximum aggregation: 4140
LACNIC Deaggregation factor: 3.66
Prefixes being announced from the LACNIC address blocks: 13253
Unique aggregates announced from the LACNIC address blocks: 7253
LACNIC Region origin ASes present in the Internet Routing Table: 792
LACNIC Prefixes per ASN: 16.73
LACNIC Region origin ASes announcing only one prefix: 259
LACNIC Region transit ASes present in the Internet Routing Table: 141
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 38868736
Equivalent to 2 /8s, 81 /16s and 23 /24s
Percentage of available LACNIC address space announced: 57.9

LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 2580
Total AfriNIC prefixes after maximum aggregation: 1001
AfriNIC Deaggregation factor: 2.58
Prefixes being announced from the AfriNIC address blocks: 1955
Unique aggregates announced from the AfriNIC address blocks: 1176
AfriNIC Region origin ASes present in the Internet Routing Table: 188
AfriNIC Prefixes per ASN: 10.40
AfriNIC Region origin ASes announcing only one prefix: 55
AfriNIC Region transit ASes present in the Internet Routing Table: 37
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 6057984
Equivalent to 0 /8s, 92 /16s and 112 /24s
Percentage of available AfriNIC address space announced: 18.1

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4134 1281 9697 273 CHINANET-BACKBONE
4755 1215 383 72 Videsh Sanchar Nigam Ltd. Aut
9583 1106 109 17 Sify Limited
9498 982 469 72 BHARTI BT INTERNET LTD.
4766 783 4943 312 Korea Telecom (KIX)
23577 778 35 707 Korea Telecom (ATM-MPLS)
17488 676 44 35 Hathway IP Over Cable Interne
7545 624 142 78 TPG Internet Pty Ltd
1221 547 1954 422 Telstra Pty Ltd
18101 537 116 33 Reliance Infocom Ltd Internet
4668 507 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
4812 459 807 76 China Telecom (Shanghai)
9443 454 115 74 Primus Telecommunications
7474 414 218 270 SingTel Optus Pty Ltd
9829 362 258 14 BSNL National Internet Backbo
4802 360 86 148 Wantree Development
17557 355 37 168 Pakistan Telecom
17974 350 129 12 PT TELEKOMUNIKASI INDONESIA
4837 343 4693 158 chinanet IDC center beijing n

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
7018 1502 6163 990 AT&T WorldNet Services
4323 1266 1027 361 Time Warner Telecom
2386 1140 580 753 AT&T Data Communications Serv
6478 1097 341 122 AT&T Worldnet Services
11492 1054 104 23 Cable One
6197 1034 687 503 BellSouth Network Solutions,
18566 1006 288 9 Covad Communications
174 954 6792 864 Cogent Communications
701 946 6612 725 UUNET Technologies, Inc.
1239 817 2731 579 Sprint
20115 808 725 429 Charter Communications
7011 793 226 474 Citizens Utilities
19262 775 2645 208 Verizon Global Networks
209 726 3847 582 Qwest
22773 713 1888 43 Cox Communications, Inc.
5668 599 160 17 CenturyTel Internet Holdings,
7385 597 166 463 Linkport Communications
721 592 21739 269 DLA Systems Automation Center
852 589 1096 370 Telus Advanced Communications
7029 587 456 79 Alltel Information Services,

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
702 519 1939 412 UUNET - Commercial IP service
24863 346 47 32 LINKdotNET AS number
3301 308 1455 288 TeliaNet Sweden
3320 305 4993 252 Deutsche Telekom AG
6746 278 128 254 Dynamic Network Technologies,
680 257 2044 250 DFN-IP service G-WiN
8220 249 459 240 COLT Telecommunications
3215 238 2254 95 France Telecom Transpac
8708 235 287 228 Romania Data Systems S.A.
3269 216 2647 74 TELECOM ITALIA
3246 209 340 199 Song Networks
8551 206 196 30 Bezeq International
3352 201 1783 37 Ibernet, Internet Access Netw
30890 201 17 93 SC Kappa Invexim SRL
20858 197 34 4 EgyNet
9116 196 136 25 Goldenlines main autonomous s
1257 190 1180 168 SWIPnet Swedish IP Network
3300 184 171 90 AUCS Communications Services
12479 184 578 6 Uni2 Autonomous System
786 177 1795 177 The JANET IP Service

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8151 1250 1870 211 UniNet S.A. de C.V.
11830 483 299 19 Instituto Costarricense de El
11172 365 116 63 Servicios Alestra S.A de C.V
16814 361 22 8 NSS, S.A.
22047 318 238 12 VTR PUNTO NET S.A.
7303 280 143 28 Telecom Argentina Stet-France
6471 259 74 31 ENTEL CHILE S.A.
14117 243 17 14 Telefonica del Sur S.A.
11556 229 128 3 Cable-Wireless Panama
6147 221 166 25 Telefonica Del Peru
6503 215 172 86 AVANTEL, S.A.
20299 194 23 12 NEWCOM AMERICAS
10620 186 53 24 TVCABLE BOGOTA
10481 181 72 8 Prima S.A.
14522 167 27 8 SatNet S.A.
23216 157 19 42 RAMtelecom Telecomunicaciones
21826 155 27 59 INTERCABLE
7910 154 11 29 ANDINET ON LINE
19429 154 94 43 E.T.B.
7738 143 474 22 Telecomunicacoes da Bahia S.A

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
3741 283 867 224 The Internet Solution
8452 229 188 7 TEDATA
6713 143 135 11 Itissalat Al-MAGHRIB
2018 136 301 111 Tertiary Education Network
15475 129 84 4 Nile Online
5536 123 8 15 Internet Egypt Network
33783 119 8 9 EEPAD TISP TELECOM & INTERNET
24835 85 48 6 RAYA Telecom - Egypt
2905 77 174 73 The Internetworking Company o
2561 61 6 2 Egyptian Universities Network
15706 56 12 4 Sudatel Internet Exchange Aut
23889 49 16 13 MAURITIUS TELECOM
5713 44 294 34 Telkom SA Ltd
33774 42 13 23 AS Number for Telecom Algeria
16637 33 21 25 Johnnic e-Ventures
8524 30 2 6 AUCEGYPT Autonomous System
21280 28 4 4 Swift Global Kenya Ltd.Is an
33766 26 2 1 Nyala Communications Pty Ltd
33776 26 2 8 Starcomms Nigeria Limited
12455 25 6 3 Jambonet Autonomous system

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4755 1215 1143 Videsh Sanchar Nigam Ltd. Aut
9583 1106 1089 Sify Limited
8151 1250 1039 UniNet S.A. de C.V.
11492 1054 1031 Cable One
4134 1281 1008 CHINANET-BACKBONE
18566 1006 997 Covad Communications
6478 1097 975 AT&T Worldnet Services
9498 982 910 BHARTI BT INTERNET LTD.
4323 1266 905 Time Warner Telecom
22773 713 670 Cox Communications, Inc.
17488 676 641 Hathway IP Over Cable Interne
5668 599 582 CenturyTel Internet Holdings,
19262 775 567 Verizon Global Networks
7545 624 546 TPG Internet Pty Ltd
6197 1034 531 BellSouth Network Solutions,
19916 568 517 OLM LLC
7029 587 508 Alltel Information Services,
18101 537 504 Reliance Infocom Ltd Internet
15270 534 499 PaeTec.net -a division of Pae
4668 507 497 LG-EDS Systems Inc.

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
65019 PRIVATE 63.138.117.0/24 19034 Norcom Networks Corp
65332 PRIVATE 63.166.106.192/27 1803 SPRINT
65242 PRIVATE 64.222.142.0/24 13674 Bell Atlantic Global
64858 PRIVATE 84.36.180.0/24 20858 EgyNet
22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
7.1.1.0/24 1239 Sprint
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
172.33.1.0/24 7018 AT&T WorldNet Services
192.0.10.0/24 9498 BHARTI BT INTERNET LTD.
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.153.136.0/21 721 DLA Systems Automation Center
192.172.0.0/19 721 DLA Systems Automation Center

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:9 /10:14 /11:35 /12:122
/13:237 /14:451 /15:870 /16:9384 /17:3857 /18:6379
/19:13473 /20:15366 /21:13900 /22:18105 /23:19310 /24:117055
/25:775 /26:819 /27:477 /28:62 /29:5 /30:0
/31:0 /32:8

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6478 1088 1097 AT&T Worldnet Services
11492 1040 1054 Cable One
18566 988 1006 Covad Communications
9583 934 1106 Sify Limited
2386 837 1140 AT&T Data Communications Serv
7018 808 1502 AT&T WorldNet Services
6197 794 1034 BellSouth Network Solutions,
23577 764 778 Korea Telecom (ATM-MPLS)
7011 695 793 Citizens Utilities
9498 649 982 BHARTI BT INTERNET LTD.
8151 627 1250 UniNet S.A. de C.V.
4755 611 1215 Videsh Sanchar Nigam Ltd. Aut
4766 590 783 Korea Telecom (KIX)
19916 563 568 OLM LLC
4323 523 1266 Time Warner Telecom
15270 501 534 PaeTec.net -a division of Pae
17488 497 676 Hathway IP Over Cable Interne
4668 496 507 LG-EDS Systems Inc.
855 464 566 Canadian Research Network
5668 464 599 CenturyTel Internet Holdings,

Number of /24s announced per /8 block (Global)
----------------------------------------------

4:8 7:1 8:73 9:1 12:1798 15:19
16:3 17:3 18:8 20:38 24:942 25:1
32:52 33:2 38:313 40:60 41:125 44:2
47:5 52:4 55:2 56:3 57:24 58:398
59:387 60:273 61:946 62:971 63:1968 64:3115
65:2366 66:3267 67:813 68:639 69:1829 70:510
71:105 72:1324 73:1 74:460 75:259 76:58
77:192 78:1 80:852 81:802 82:578 83:376
84:442 85:764 86:351 87:464 88:272 89:875
90:6 91:304 97:6 116:73 121:184 122:524
123:99 124:806 125:934 128:282 129:222 130:126
131:362 132:52 133:10 134:192 135:39 136:185
137:80 138:139 139:70 140:476 141:170 142:371
143:234 144:290 145:43 146:322 147:117 148:388
149:143 150:114 151:160 152:92 153:123 154:4
155:253 156:151 157:188 158:160 159:159 160:105
161:91 162:234 163:185 164:448 165:403 166:235
167:282 168:491 169:120 170:401 171:16 172:1
189:469 190:611 192:5760 193:3842 194:3120 195:2220
196:942 198:3739 199:3289 200:4771 201:1015 202:7277
203:7485 204:3952 205:2083 206:2359 207:2884 208:2686
209:3579 210:2481 211:968 212:1309 213:1471 214:406
215:40 216:4013 217:1150 218:356 219:363 220:948
221:393 222:264

End of report

cscora at apnic

May 25, 2007, 11:03 AM

Post #6 of 149 (13267 views)
Permalink

Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.apnic.net.

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 26 May, 2007

Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/05/26/0400

Analysis Summary
----------------

BGP routing table entries examined: 221520
Prefixes after maximum aggregation: 117658
Deaggregation factor: 1.88
Unique aggregates announced to Internet: 107449
Total ASes present in the Internet Routing Table: 25272
Prefixes per ASN: 8.77
Origin-only ASes present in the Internet Routing Table: 22014
Origin ASes announcing only one prefix: 10646
Transit ASes present in the Internet Routing Table: 3258
Transit-only ASes present in the Internet Routing Table: 78
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN (16327) 21
Prefixes from unregistered ASNs in the Routing Table: 8
Unregistered ASNs in the Routing Table: 9
Prefixes from 32-bit ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1723331808
Equivalent to 102 /8s, 183 /16s and 244 /24s
Percentage of available address space announced: 46.5
Percentage of allocated address space announced: 61.6
Percentage of available address space allocated: 75.5
Total number of prefixes smaller than registry allocations: 116211

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 51095
Total APNIC prefixes after maximum aggregation: 20319
APNIC Deaggregation factor: 2.51
Prefixes being announced from the APNIC address blocks: 48066
Unique aggregates announced from the APNIC address blocks: 21288
APNIC Region origin ASes present in the Internet Routing Table: 2950
APNIC Prefixes per ASN: 16.29
APNIC Region origin ASes announcing only one prefix: 793
APNIC Region transit ASes present in the Internet Routing Table: 444
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 295454624
Equivalent to 17 /8s, 156 /16s and 71 /24s
Percentage of available APNIC address space announced: 73.2

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 116/6, 120/6, 124/7, 126/8, 202/7
210/7, 218/7, 220/7 and 222/8

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 106768
Total ARIN prefixes after maximum aggregation: 62251
ARIN Deaggregation factor: 1.72
Prefixes being announced from the ARIN address blocks: 78724
Unique aggregates announced from the ARIN address blocks: 30794
ARIN Region origin ASes present in the Internet Routing Table: 11596
ARIN Prefixes per ASN: 6.79
ARIN Region origin ASes announcing only one prefix: 4449
ARIN Region transit ASes present in the Internet Routing Table: 1052
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 334135168
Equivalent to 19 /8s, 234 /16s and 127 /24s
Percentage of available ARIN address space announced: 73.8

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6,
208/7 and 216/8

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 45757
Total RIPE prefixes after maximum aggregation: 29916
RIPE Deaggregation factor: 1.53
Prefixes being announced from the RIPE address blocks: 42261
Unique aggregates announced from the RIPE address blocks: 28259
RIPE Region origin ASes present in the Internet Routing Table: 9663
RIPE Prefixes per ASN: 4.37
RIPE Region origin ASes announcing only one prefix: 5093
RIPE Region transit ASes present in the Internet Routing Table: 1550
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 306906752
Equivalent to 18 /8s, 75 /16s and 6 /24s
Percentage of available RIPE address space announced: 76.2

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-44031
RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 92/7, 193/8, 194/7,
212/7 and 217/8

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 15305
Total LACNIC prefixes after maximum aggregation: 4158
LACNIC Deaggregation factor: 3.68
Prefixes being announced from the LACNIC address blocks: 13391
Unique aggregates announced from the LACNIC address blocks: 7308
LACNIC Region origin ASes present in the Internet Routing Table: 796
LACNIC Prefixes per ASN: 16.82
LACNIC Region origin ASes announcing only one prefix: 255
LACNIC Region transit ASes present in the Internet Routing Table: 142
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 38960896
Equivalent to 2 /8s, 82 /16s and 127 /24s
Percentage of available LACNIC address space announced: 58.1

LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 2582
Total AfriNIC prefixes after maximum aggregation: 1000
AfriNIC Deaggregation factor: 2.58
Prefixes being announced from the AfriNIC address blocks: 1966
Unique aggregates announced from the AfriNIC address blocks: 1175
AfriNIC Region origin ASes present in the Internet Routing Table: 188
AfriNIC Prefixes per ASN: 10.46
AfriNIC Region origin ASes announcing only one prefix: 56
AfriNIC Region transit ASes present in the Internet Routing Table: 38
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 6127104
Equivalent to 0 /8s, 93 /16s and 126 /24s
Percentage of available AfriNIC address space announced: 18.3

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4134 1286 9974 277 CHINANET-BACKBONE
4755 1223 383 72 Videsh Sanchar Nigam Ltd. Aut
9583 1111 79 382 Sify Limited
9498 981 469 71 BHARTI BT INTERNET LTD.
4766 783 4943 312 Korea Telecom (KIX)
23577 777 35 707 Korea Telecom (ATM-MPLS)
17488 694 45 38 Hathway IP Over Cable Interne
7545 624 142 77 TPG Internet Pty Ltd
1221 549 1954 424 Telstra Pty Ltd
18101 544 116 36 Reliance Infocom Ltd Internet
4668 505 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
4812 462 821 76 China Telecom (Shanghai)
9443 455 115 74 Primus Telecommunications
7474 410 218 269 SingTel Optus Pty Ltd
4802 409 86 148 Wantree Development
9829 362 258 14 BSNL National Internet Backbo
17557 356 37 169 Pakistan Telecom
2907 353 1700 301 SINET Japan
17974 349 129 12 PT TELEKOMUNIKASI INDONESIA

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
7018 1502 6160 992 AT&T WorldNet Services
4323 1270 1032 365 Time Warner Telecom
2386 1150 596 756 AT&T Data Communications Serv
6478 1100 343 121 AT&T Worldnet Services
11492 1073 104 24 Cable One
6197 1040 706 508 BellSouth Network Solutions,
18566 1010 288 9 Covad Communications
701 958 6598 734 UUNET Technologies, Inc.
174 954 6791 863 Cogent Communications
1239 819 2731 578 Sprint
20115 807 724 428 Charter Communications
7011 798 227 477 Citizens Utilities
19262 776 2662 209 Verizon Global Networks
209 743 3852 582 Qwest
22773 721 1892 44 Cox Communications, Inc.
5668 598 160 17 CenturyTel Internet Holdings,
7385 596 166 463 Linkport Communications
852 589 1090 371 Telus Advanced Communications
7029 587 488 80 Alltel Information Services,
721 573 21659 267 DLA Systems Automation Center

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
702 517 1939 410 UUNET - Commercial IP service
24863 346 47 32 LINKdotNET AS number
3301 308 1455 288 TeliaNet Sweden
3320 306 4994 253 Deutsche Telekom AG
6746 280 128 255 Dynamic Network Technologies,
680 260 2044 251 DFN-IP service G-WiN
8220 250 459 241 COLT Telecommunications
3215 246 2279 94 France Telecom Transpac
8708 236 288 229 Romania Data Systems S.A.
5089 219 1658 53 NTL Group Limited
3269 216 2647 74 TELECOM ITALIA
8551 206 196 30 Bezeq International
3246 202 337 192 Song Networks
3352 200 1799 36 Ibernet, Internet Access Netw
9116 196 136 25 Goldenlines main autonomous s
1257 190 1180 168 SWIPnet Swedish IP Network
12479 185 578 6 Uni2 Autonomous System
30890 183 15 90 SC Kappa Invexim SRL
3300 182 171 89 AUCS Communications Services
786 176 1795 176 The JANET IP Service

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8151 1302 1870 211 UniNet S.A. de C.V.
11830 483 299 19 Instituto Costarricense de El
11172 366 116 63 Servicios Alestra S.A de C.V
16814 361 22 8 NSS, S.A.
22047 317 238 12 VTR PUNTO NET S.A.
7303 279 143 25 Telecom Argentina Stet-France
6471 265 74 31 ENTEL CHILE S.A.
14117 243 17 14 Telefonica del Sur S.A.
11556 229 128 3 Cable-Wireless Panama
6147 222 168 25 Telefonica Del Peru
6503 217 172 86 AVANTEL, S.A.
20299 195 23 12 NEWCOM AMERICAS
10620 186 53 24 TVCABLE BOGOTA
10481 181 72 8 Prima S.A.
14522 167 27 8 SatNet S.A.
7910 157 11 31 ANDINET ON LINE
23216 157 19 42 RAMtelecom Telecomunicaciones
21826 155 27 59 INTERCABLE
19429 154 94 43 E.T.B.
7738 143 474 22 Telecomunicacoes da Bahia S.A

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
3741 284 867 224 The Internet Solution
8452 228 188 7 TEDATA
6713 143 135 11 Itissalat Al-MAGHRIB
2018 136 301 111 Tertiary Education Network
15475 134 84 4 Nile Online
5536 123 8 15 Internet Egypt Network
33783 119 8 9 EEPAD TISP TELECOM & INTERNET
24835 85 48 6 RAYA Telecom - Egypt
2905 77 174 73 The Internetworking Company o
2561 61 6 2 Egyptian Universities Network
15706 56 12 4 Sudatel Internet Exchange Aut
23889 49 16 13 MAURITIUS TELECOM
5713 44 294 34 Telkom SA Ltd
33774 42 13 23 AS Number for Telecom Algeria
16637 33 21 25 Johnnic e-Ventures
33776 31 2 6 Starcomms Nigeria Limited
8524 30 2 6 AUCEGYPT Autonomous System
21280 27 4 4 Swift Global Kenya Ltd.Is an
33766 26 2 1 Nyala Communications Pty Ltd
12455 25 6 3 Jambonet Autonomous system

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4755 1223 1151 Videsh Sanchar Nigam Ltd. Aut
8151 1302 1091 UniNet S.A. de C.V.
11492 1073 1049 Cable One
4134 1286 1009 CHINANET-BACKBONE
18566 1010 1001 Covad Communications
6478 1100 979 AT&T Worldnet Services
9498 981 910 BHARTI BT INTERNET LTD.
4323 1270 905 Time Warner Telecom
9583 1111 729 Sify Limited
22773 721 677 Cox Communications, Inc.
17488 694 656 Hathway IP Over Cable Interne
5668 598 581 CenturyTel Internet Holdings,
19262 776 567 Verizon Global Networks
7545 624 547 TPG Internet Pty Ltd
6197 1040 532 BellSouth Network Solutions,
19916 568 517 OLM LLC
18101 544 508 Reliance Infocom Ltd Internet
7029 587 507 Alltel Information Services,
15270 541 506 PaeTec.net -a division of Pae
855 566 495 Canadian Research Network

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
65019 PRIVATE 63.138.117.0/24 19034 Norcom Networks Corp
65332 PRIVATE 63.166.106.192/27 1803 SPRINT
65242 PRIVATE 64.222.142.0/24 13674 Bell Atlantic Global
64858 PRIVATE 84.36.180.0/24 20858 EgyNet
36628 UNALLOCATED 192.41.162.0/24 2914 Verio, Inc.
36628 UNALLOCATED 199.7.59.0/24 2914 Verio, Inc.
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
7.1.1.0/24 1239 Sprint
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
172.33.1.0/24 7018 AT&T WorldNet Services
192.0.10.0/24 9498 BHARTI BT INTERNET LTD.
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.153.136.0/21 721 DLA Systems Automation Center
192.172.0.0/19 721 DLA Systems Automation Center

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:9 /10:14 /11:35 /12:123
/13:237 /14:452 /15:870 /16:9413 /17:3894 /18:6371
/19:13491 /20:15488 /21:13991 /22:18197 /23:19419 /24:117340
/25:764 /26:825 /27:474 /28:66 /29:8 /30:8
/31:0 /32:12

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6478 1091 1100 AT&T Worldnet Services
11492 1059 1073 Cable One
18566 992 1010 Covad Communications
9583 948 1111 Sify Limited
2386 845 1150 AT&T Data Communications Serv
7018 809 1502 AT&T WorldNet Services
6197 795 1040 BellSouth Network Solutions,
23577 763 777 Korea Telecom (ATM-MPLS)
7011 699 798 Citizens Utilities
8151 680 1302 UniNet S.A. de C.V.
9498 652 981 BHARTI BT INTERNET LTD.
4755 620 1223 Videsh Sanchar Nigam Ltd. Aut
4766 590 783 Korea Telecom (KIX)
19916 563 568 OLM LLC
4323 526 1270 Time Warner Telecom
17488 515 694 Hathway IP Over Cable Interne
15270 508 541 PaeTec.net -a division of Pae
4668 495 505 LG-EDS Systems Inc.
18101 466 544 Reliance Infocom Ltd Internet
855 464 566 Canadian Research Network

Number of /24s announced per /8 block (Global)
----------------------------------------------

4:9 7:1 8:73 9:1 12:1808 15:19
16:3 17:3 18:8 20:38 24:946 25:1
32:52 33:2 38:311 40:61 41:134 44:2
47:5 52:4 55:3 56:3 57:25 58:397
59:391 60:296 61:947 62:895 63:1980 64:3126
65:2368 66:3279 67:814 68:637 69:1850 70:515
71:105 72:1322 73:1 74:481 75:262 76:60
77:199 78:2 80:816 81:802 82:581 83:387
84:408 85:766 86:342 87:465 88:274 89:863
90:7 91:315 97:6 116:73 121:185 122:531
123:104 124:817 125:935 128:282 129:223 130:129
131:365 132:52 133:9 134:192 135:38 136:186
137:80 138:140 139:70 140:477 141:171 142:368
143:234 144:293 145:43 146:322 147:118 148:396
149:143 150:115 151:159 152:92 153:124 154:4
155:254 156:152 157:186 158:158 159:158 160:106
161:91 162:234 163:185 164:447 165:404 166:240
167:283 168:498 169:120 170:402 171:16 172:1
189:524 190:624 192:5772 193:3851 194:3128 195:2221
196:939 198:3736 199:3292 200:4784 201:1031 202:7285
203:7525 204:3968 205:2061 206:2361 207:2875 208:2697
209:3590 210:2467 211:964 212:1319 213:1460 214:413
215:40 216:4031 217:1154 218:360 219:379 220:948
221:402 222:263

End of report

cscora at apnic

Jun 1, 2007, 11:03 AM

Post #7 of 149 (13204 views)
Permalink

Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.apnic.net.

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 02 Jun, 2007

Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/06/02/0400

Analysis Summary
----------------

BGP routing table entries examined: 222527
Prefixes after maximum aggregation: 118143
Deaggregation factor: 1.88
Unique aggregates announced to Internet: 107718
Total ASes present in the Internet Routing Table: 25331
Prefixes per ASN: 8.78
Origin-only ASes present in the Internet Routing Table: 22061
Origin ASes announcing only one prefix: 10698
Transit ASes present in the Internet Routing Table: 3270
Transit-only ASes present in the Internet Routing Table: 79
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 22
Max AS path prepend of ASN (35389) 16
Prefixes from unregistered ASNs in the Routing Table: 4
Unregistered ASNs in the Routing Table: 6
Prefixes from 32-bit ASNs in the Routing Table: 7
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1727916640
Equivalent to 102 /8s, 253 /16s and 234 /24s
Percentage of available address space announced: 46.6
Percentage of allocated address space announced: 61.8
Percentage of available address space allocated: 75.5
Total number of prefixes smaller than registry allocations: 116970

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 51280
Total APNIC prefixes after maximum aggregation: 20366
APNIC Deaggregation factor: 2.52
Prefixes being announced from the APNIC address blocks: 48238
Unique aggregates announced from the APNIC address blocks: 21361
APNIC Region origin ASes present in the Internet Routing Table: 2956
APNIC Prefixes per ASN: 16.32
APNIC Region origin ASes announcing only one prefix: 791
APNIC Region transit ASes present in the Internet Routing Table: 449
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 296333216
Equivalent to 17 /8s, 169 /16s and 175 /24s
Percentage of available APNIC address space announced: 73.4

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 116/6, 120/6, 124/7, 126/8, 202/7
210/7, 218/7, 220/7 and 222/8

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 106864
Total ARIN prefixes after maximum aggregation: 62339
ARIN Deaggregation factor: 1.71
Prefixes being announced from the ARIN address blocks: 78779
Unique aggregates announced from the ARIN address blocks: 30822
ARIN Region origin ASes present in the Internet Routing Table: 11600
ARIN Prefixes per ASN: 6.79
ARIN Region origin ASes announcing only one prefix: 4462
ARIN Region transit ASes present in the Internet Routing Table: 1055
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 334613120
Equivalent to 19 /8s, 241 /16s and 202 /24s
Percentage of available ARIN address space announced: 73.9

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6,
208/7 and 216/8

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 46341
Total RIPE prefixes after maximum aggregation: 30274
RIPE Deaggregation factor: 1.53
Prefixes being announced from the RIPE address blocks: 42871
Unique aggregates announced from the RIPE address blocks: 28438
RIPE Region origin ASes present in the Internet Routing Table: 9708
RIPE Prefixes per ASN: 4.42
RIPE Region origin ASes announcing only one prefix: 5135
RIPE Region transit ASes present in the Internet Routing Table: 1557
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 310116352
Equivalent to 18 /8s, 124 /16s and 0 /24s
Percentage of available RIPE address space announced: 77.0

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-44031
RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 92/7, 193/8, 194/7,
212/7 and 217/8

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 15435
Total LACNIC prefixes after maximum aggregation: 4150
LACNIC Deaggregation factor: 3.72
Prefixes being announced from the LACNIC address blocks: 13551
Unique aggregates announced from the LACNIC address blocks: 7305
LACNIC Region origin ASes present in the Internet Routing Table: 798
LACNIC Prefixes per ASN: 16.98
LACNIC Region origin ASes announcing only one prefix: 256
LACNIC Region transit ASes present in the Internet Routing Table: 143
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 39014144
Equivalent to 2 /8s, 83 /16s and 79 /24s
Percentage of available LACNIC address space announced: 58.1

LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 2597
Total AfriNIC prefixes after maximum aggregation: 1002
AfriNIC Deaggregation factor: 2.59
Prefixes being announced from the AfriNIC address blocks: 1974
Unique aggregates announced from the AfriNIC address blocks: 1180
AfriNIC Region origin ASes present in the Internet Routing Table: 189
AfriNIC Prefixes per ASN: 10.44
AfriNIC Region origin ASes announcing only one prefix: 54
AfriNIC Region transit ASes present in the Internet Routing Table: 37
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 6123264
Equivalent to 0 /8s, 93 /16s and 111 /24s
Percentage of available AfriNIC address space announced: 18.2

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4134 1289 9975 279 CHINANET-BACKBONE
4755 1225 382 72 Videsh Sanchar Nigam Ltd. Aut
9583 1106 79 386 Sify Limited
9498 984 469 68 BHARTI BT INTERNET LTD.
4766 786 4943 312 Korea Telecom (KIX)
23577 779 35 706 Korea Telecom (ATM-MPLS)
17488 698 45 39 Hathway IP Over Cable Interne
7545 628 142 78 TPG Internet Pty Ltd
18101 554 117 35 Reliance Infocom Ltd Internet
1221 551 1954 425 Telstra Pty Ltd
4668 507 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
9443 467 121 77 Primus Telecommunications
4812 463 837 77 China Telecom (Shanghai)
7474 410 218 269 SingTel Optus Pty Ltd
4802 409 86 148 Wantree Development
9829 362 258 15 BSNL National Internet Backbo
2907 360 1700 302 SINET Japan
17557 357 41 170 Pakistan Telecom
17974 343 129 12 PT TELEKOMUNIKASI INDONESIA

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
7018 1501 6144 992 AT&T WorldNet Services
4323 1274 1033 367 Time Warner Telecom
2386 1153 597 760 AT&T Data Communications Serv
6478 1078 354 179 AT&T Worldnet Services
11492 1073 104 24 Cable One
6197 1041 707 509 BellSouth Network Solutions,
18566 1010 288 9 Covad Communications
701 957 6614 733 UUNET Technologies, Inc.
174 955 6777 866 Cogent Communications
1239 807 2731 573 Sprint
20115 807 725 429 Charter Communications
7011 804 228 481 Citizens Utilities
19262 775 2694 207 Verizon Global Networks
209 740 3836 581 Qwest
22773 721 1892 44 Cox Communications, Inc.
7029 604 488 80 Alltel Information Services,
5668 600 160 17 CenturyTel Internet Holdings,
7385 598 166 465 Linkport Communications
852 589 1090 371 Telus Advanced Communications
721 568 21659 266 DLA Systems Automation Center

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
702 519 1939 410 UUNET - Commercial IP service
2119 509 918 381 Telenor Internet Access
24863 345 47 32 LINKdotNET AS number
3301 310 1455 289 TeliaNet Sweden
3320 303 4994 253 Deutsche Telekom AG
6746 279 128 255 Dynamic Network Technologies,
680 260 2044 251 DFN-IP service G-WiN
8220 251 460 242 COLT Telecommunications
3215 246 2280 94 France Telecom Transpac
8708 237 416 230 Romania Data Systems S.A.
5089 221 1658 53 NTL Group Limited
3269 216 2647 74 TELECOM ITALIA
3352 211 1863 34 Ibernet, Internet Access Netw
9121 210 1441 24 TTnet Autonomous System
8551 207 197 27 Bezeq International
3246 200 334 190 Song Networks
9116 198 136 25 Goldenlines main autonomous s
1257 196 1196 174 SWIPnet Swedish IP Network
12479 185 578 6 Uni2 Autonomous System
30890 183 15 90 SC Kappa Invexim SRL

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8151 1325 1855 209 UniNet S.A. de C.V.
11830 483 299 19 Instituto Costarricense de El
11172 367 116 63 Servicios Alestra S.A de C.V
16814 361 22 8 NSS, S.A.
22047 317 238 12 VTR PUNTO NET S.A.
7303 288 143 29 Telecom Argentina Stet-France
6471 268 74 32 ENTEL CHILE S.A.
14117 244 17 14 Telefonica del Sur S.A.
11556 229 128 3 Cable-Wireless Panama
6147 224 168 25 Telefonica Del Peru
6503 213 188 84 AVANTEL, S.A.
20299 195 23 12 NEWCOM AMERICAS
10620 187 53 25 TVCABLE BOGOTA
10481 181 72 8 Prima S.A.
14522 167 27 8 SatNet S.A.
7910 157 11 31 ANDINET ON LINE
23216 157 19 42 RAMtelecom Telecomunicaciones
19429 155 95 44 E.T.B.
21826 155 27 59 INTERCABLE
7738 144 474 22 Telecomunicacoes da Bahia S.A

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
3741 277 866 219 The Internet Solution
8452 229 188 7 TEDATA
6713 143 135 11 Itissalat Al-MAGHRIB
2018 136 301 111 Tertiary Education Network
15475 136 84 4 Nile Online
5536 123 8 15 Internet Egypt Network
33783 120 8 9 EEPAD TISP TELECOM & INTERNET
24835 85 48 6 RAYA Telecom - Egypt
2905 77 174 73 The Internetworking Company o
2561 61 6 2 Egyptian Universities Network
15706 56 12 4 Sudatel Internet Exchange Aut
23889 49 16 13 MAURITIUS TELECOM
5713 44 294 34 Telkom SA Ltd
33774 42 13 23 AS Number for Telecom Algeria
16637 37 21 29 Johnnic e-Ventures
8524 32 2 8 AUCEGYPT Autonomous System
33776 31 2 6 Starcomms Nigeria Limited
21280 27 4 4 Swift Global Kenya Ltd.Is an
33766 26 2 1 Nyala Communications Pty Ltd
12455 25 6 3 Jambonet Autonomous system

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4755 1225 1153 Videsh Sanchar Nigam Ltd. Aut
8151 1325 1116 UniNet S.A. de C.V.
11492 1073 1049 Cable One
4134 1289 1010 CHINANET-BACKBONE
18566 1010 1001 Covad Communications
9498 984 916 BHARTI BT INTERNET LTD.
4323 1274 907 Time Warner Telecom
6478 1078 899 AT&T Worldnet Services
9583 1106 720 Sify Limited
22773 721 677 Cox Communications, Inc.
17488 698 659 Hathway IP Over Cable Interne
5668 600 583 CenturyTel Internet Holdings,
19262 775 568 Verizon Global Networks
7545 628 550 TPG Internet Pty Ltd
6197 1041 532 BellSouth Network Solutions,
7029 604 524 Alltel Information Services,
18101 554 519 Reliance Infocom Ltd Internet
19916 568 517 OLM LLC
15270 543 508 PaeTec.net -a division of Pae
855 568 497 Canadian Research Network

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
65019 PRIVATE 63.138.117.0/24 19034 Norcom Networks Corp
65332 PRIVATE 63.166.106.192/27 1803 SPRINT
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
7.1.1.0/24 1239 Sprint
94.110.196.0/24 21161 Bechtle Autonomous System
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
172.33.1.0/24 7018 AT&T WorldNet Services
192.0.10.0/24 9498 BHARTI BT INTERNET LTD.
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.153.136.0/21 721 DLA Systems Automation Center
192.172.0.0/19 721 DLA Systems Automation Center

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:9 /10:14 /11:35 /12:123
/13:238 /14:452 /15:873 /16:9430 /17:3979 /18:6386
/19:13513 /20:15516 /21:14079 /22:18333 /23:19506 /24:117823
/25:780 /26:839 /27:478 /28:68 /29:9 /30:13
/31:0 /32:12

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6478 1068 1078 AT&T Worldnet Services
11492 1064 1073 Cable One
18566 992 1010 Covad Communications
9583 944 1106 Sify Limited
2386 850 1153 AT&T Data Communications Serv
7018 809 1501 AT&T WorldNet Services
6197 795 1041 BellSouth Network Solutions,
23577 765 779 Korea Telecom (ATM-MPLS)
7011 705 804 Citizens Utilities
8151 704 1325 UniNet S.A. de C.V.
9498 654 984 BHARTI BT INTERNET LTD.
4755 623 1225 Videsh Sanchar Nigam Ltd. Aut
4766 593 786 Korea Telecom (KIX)
19916 563 568 OLM LLC
4323 522 1274 Time Warner Telecom
17488 519 698 Hathway IP Over Cable Interne
15270 510 543 PaeTec.net -a division of Pae
4668 497 507 LG-EDS Systems Inc.
18101 470 554 Reliance Infocom Ltd Internet
855 466 568 Canadian Research Network

Number of /24s announced per /8 block (Global)
----------------------------------------------

4:9 7:1 8:74 9:1 12:1804 15:19
16:3 17:3 18:8 20:38 24:948 25:1
32:52 33:2 38:318 40:61 41:150 44:2
47:5 52:4 55:3 56:3 57:24 58:410
59:397 60:302 61:966 62:897 63:1974 64:3113
65:2359 66:3297 67:811 68:634 69:1873 70:521
71:107 72:1326 73:1 74:482 75:264 76:75
77:226 78:2 80:821 81:818 82:645 83:413
84:410 85:804 86:341 87:449 88:275 89:874
90:7 91:323 94:1 97:6 98:3 116:97
121:156 122:534 123:107 124:816 125:943 128:283
129:224 130:130 131:366 132:52 133:9 134:192
135:38 136:185 137:80 138:140 139:70 140:478
141:171 142:370 143:233 144:293 145:43 146:312
147:118 148:398 149:143 150:114 151:159 152:92
153:123 154:4 155:254 156:152 157:185 158:158
159:157 160:107 161:91 162:233 163:185 164:451
165:403 166:240 167:284 168:502 169:120 170:402
171:16 172:1 189:550 190:638 192:5771 193:3869
194:3143 195:2239 196:937 198:3749 199:3285 200:4837
201:1050 202:7326 203:7523 204:3972 205:2034 206:2362
207:2857 208:2705 209:3578 210:2470 211:967 212:1321
213:1469 214:408 215:40 216:4036 217:1158 218:352
219:381 220:958 221:401 222:263

End of report

cscora at apnic

Jun 8, 2007, 11:02 AM

Post #8 of 149 (13224 views)
Permalink

Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.apnic.net.

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 09 Jun, 2007

Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/06/09/0400

Analysis Summary
----------------

BGP routing table entries examined: 222590
Prefixes after maximum aggregation: 118357
Deaggregation factor: 1.88
Unique aggregates announced to Internet: 108133
Total ASes present in the Internet Routing Table: 25395
Prefixes per ASN: 8.77
Origin-only ASes present in the Internet Routing Table: 22099
Origin ASes announcing only one prefix: 10737
Transit ASes present in the Internet Routing Table: 3296
Transit-only ASes present in the Internet Routing Table: 76
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 22
Max AS path prepend of ASN (35389) 16
Prefixes from unregistered ASNs in the Routing Table: 6
Unregistered ASNs in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 5
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1735745632
Equivalent to 103 /8s, 117 /16s and 96 /24s
Percentage of available address space announced: 46.8
Percentage of allocated address space announced: 62.1
Percentage of available address space allocated: 75.5
Total number of prefixes smaller than registry allocations: 116738

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 51714
Total APNIC prefixes after maximum aggregation: 20427
APNIC Deaggregation factor: 2.53
Prefixes being announced from the APNIC address blocks: 48661
Unique aggregates announced from the APNIC address blocks: 21409
APNIC Region origin ASes present in the Internet Routing Table: 2962
APNIC Prefixes per ASN: 16.43
APNIC Region origin ASes announcing only one prefix: 791
APNIC Region transit ASes present in the Internet Routing Table: 451
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 298436000
Equivalent to 17 /8s, 201 /16s and 197 /24s
Percentage of available APNIC address space announced: 73.9

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 116/6, 120/6, 124/7, 126/8, 202/7
210/7, 218/7, 220/7 and 222/8

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 106833
Total ARIN prefixes after maximum aggregation: 62334
ARIN Deaggregation factor: 1.71
Prefixes being announced from the ARIN address blocks: 78682
Unique aggregates announced from the ARIN address blocks: 30928
ARIN Region origin ASes present in the Internet Routing Table: 11618
ARIN Prefixes per ASN: 6.77
ARIN Region origin ASes announcing only one prefix: 4471
ARIN Region transit ASes present in the Internet Routing Table: 1061
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 335300224
Equivalent to 19 /8s, 252 /16s and 70 /24s
Percentage of available ARIN address space announced: 74.0

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6,
208/7 and 216/8

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 46534
Total RIPE prefixes after maximum aggregation: 30344
RIPE Deaggregation factor: 1.53
Prefixes being announced from the RIPE address blocks: 43034
Unique aggregates announced from the RIPE address blocks: 28611
RIPE Region origin ASes present in the Internet Routing Table: 9746
RIPE Prefixes per ASN: 4.42
RIPE Region origin ASes announcing only one prefix: 5161
RIPE Region transit ASes present in the Internet Routing Table: 1569
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 314733568
Equivalent to 18 /8s, 194 /16s and 116 /24s
Percentage of available RIPE address space announced: 78.2

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-44031
RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 92/7, 193/8, 194/7,
212/7 and 217/8

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 14925
Total LACNIC prefixes after maximum aggregation: 4236
LACNIC Deaggregation factor: 3.52
Prefixes being announced from the LACNIC address blocks: 12986
Unique aggregates announced from the LACNIC address blocks: 7330
LACNIC Region origin ASes present in the Internet Routing Table: 801
LACNIC Prefixes per ASN: 16.21
LACNIC Region origin ASes announcing only one prefix: 257
LACNIC Region transit ASes present in the Internet Routing Table: 142
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 39263744
Equivalent to 2 /8s, 87 /16s and 30 /24s
Percentage of available LACNIC address space announced: 58.5

LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 2574
Total AfriNIC prefixes after maximum aggregation: 1006
AfriNIC Deaggregation factor: 2.56
Prefixes being announced from the AfriNIC address blocks: 1979
Unique aggregates announced from the AfriNIC address blocks: 1198
AfriNIC Region origin ASes present in the Internet Routing Table: 191
AfriNIC Prefixes per ASN: 10.36
AfriNIC Region origin ASes announcing only one prefix: 57
AfriNIC Region transit ASes present in the Internet Routing Table: 37
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 6224640
Equivalent to 0 /8s, 94 /16s and 251 /24s
Percentage of available AfriNIC address space announced: 18.6

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4134 1290 9977 280 CHINANET-BACKBONE
4755 1230 382 71 Videsh Sanchar Nigam Ltd. Aut
9583 1094 78 396 Sify Limited
9498 1000 469 69 BHARTI BT INTERNET LTD.
4766 786 4943 312 Korea Telecom (KIX)
23577 778 35 705 Korea Telecom (ATM-MPLS)
17488 699 46 40 Hathway IP Over Cable Interne
7545 630 142 81 TPG Internet Pty Ltd
18101 556 117 35 Reliance Infocom Ltd Internet
1221 547 1954 423 Telstra Pty Ltd
4668 508 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
4812 466 843 80 China Telecom (Shanghai)
9443 465 121 77 Primus Telecommunications
7474 410 218 269 SingTel Optus Pty Ltd
4802 406 86 145 Wantree Development
9829 363 258 15 BSNL National Internet Backbo
2907 360 1700 302 SINET Japan
17557 358 41 172 Pakistan Telecom
4837 349 4805 163 chinanet IDC center beijing n

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
7018 1502 6128 992 AT&T WorldNet Services
4323 1273 1034 370 Time Warner Telecom
2386 1148 597 757 AT&T Data Communications Serv
6478 1103 362 150 AT&T Worldnet Services
11492 1075 105 23 Cable One
6197 1026 706 509 BellSouth Network Solutions,
18566 1010 288 9 Covad Communications
174 957 6777 868 Cogent Communications
701 950 6598 730 UUNET Technologies, Inc.
1239 809 2731 575 Sprint
7011 804 229 484 Citizens Utilities
20115 801 726 427 Charter Communications
19262 775 2694 206 Verizon Global Networks
209 744 3834 578 Qwest
22773 720 1892 44 Cox Communications, Inc.
5668 604 160 17 CenturyTel Internet Holdings,
7385 604 171 471 Linkport Communications
7029 596 488 80 Alltel Information Services,
852 589 1090 371 Telus Advanced Communications
855 572 253 71 Canadian Research Network

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
702 516 1938 407 UUNET - Commercial IP service
2119 507 918 379 Telenor Internet Access
24863 351 56 35 LINKdotNET AS number
3301 311 1455 290 TeliaNet Sweden
3320 305 6018 255 Deutsche Telekom AG
6746 280 129 256 Dynamic Network Technologies,
680 261 2044 252 DFN-IP service G-WiN
3215 249 2296 95 France Telecom Transpac
8220 249 444 241 COLT Telecommunications
8708 237 416 230 Romania Data Systems S.A.
5089 221 1658 53 NTL Group Limited
3269 216 2647 74 TELECOM ITALIA
3352 216 1864 37 Ibernet, Internet Access Netw
9121 209 1441 24 TTnet Autonomous System
8551 207 197 27 Bezeq International
9116 199 136 25 Goldenlines main autonomous s
1257 198 1196 176 SWIPnet Swedish IP Network
3246 193 331 183 Song Networks
12479 187 578 6 Uni2 Autonomous System
30890 183 14 92 SC Kappa Invexim SRL

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8151 826 1855 210 UniNet S.A. de C.V.
11830 483 299 19 Instituto Costarricense de El
11172 368 116 63 Servicios Alestra S.A de C.V
22047 315 238 12 VTR PUNTO NET S.A.
7303 292 143 30 Telecom Argentina Stet-France
6471 268 74 32 ENTEL CHILE S.A.
14117 253 19 15 Telefonica del Sur S.A.
16814 249 21 18 NSS, S.A.
11556 231 128 4 Cable-Wireless Panama
6147 224 170 26 Telefonica Del Peru
6503 213 188 84 AVANTEL, S.A.
20299 195 23 12 NEWCOM AMERICAS
10620 191 54 19 TVCABLE BOGOTA
10481 181 72 8 Prima S.A.
14522 167 27 8 SatNet S.A.
7910 157 11 31 ANDINET ON LINE
23216 157 19 42 RAMtelecom Telecomunicaciones
21826 155 27 60 INTERCABLE
19429 152 79 41 E.T.B.
7738 146 474 22 Telecomunicacoes da Bahia S.A

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
3741 279 866 220 The Internet Solution
8452 228 188 7 TEDATA
6713 142 135 11 Itissalat Al-MAGHRIB
2018 136 301 111 Tertiary Education Network
15475 136 84 4 Nile Online
5536 123 8 15 Internet Egypt Network
33783 119 8 9 EEPAD TISP TELECOM & INTERNET
24835 85 48 6 RAYA Telecom - Egypt
2905 77 174 73 The Internetworking Company o
2561 61 6 2 Egyptian Universities Network
15706 56 12 4 Sudatel Internet Exchange Aut
23889 48 16 13 MAURITIUS TELECOM
5713 44 294 34 Telkom SA Ltd
33774 43 29 24 AS Number for Telecom Algeria
16637 37 21 29 Johnnic e-Ventures
8524 32 2 8 AUCEGYPT Autonomous System
33776 30 2 7 Starcomms Nigeria Limited
21280 27 4 4 Swift Global Kenya Ltd.Is an
12455 26 6 3 Jambonet Autonomous system
10798 24 2 15 Standard Bank of South Africa

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4755 1230 1159 Videsh Sanchar Nigam Ltd. Aut
11492 1075 1052 Cable One
4134 1290 1010 CHINANET-BACKBONE
18566 1010 1001 Covad Communications
6478 1103 953 AT&T Worldnet Services
9498 1000 931 BHARTI BT INTERNET LTD.
4323 1273 903 Time Warner Telecom
9583 1094 698 Sify Limited
22773 720 676 Cox Communications, Inc.
17488 699 659 Hathway IP Over Cable Interne
8151 826 616 UniNet S.A. de C.V.
5668 604 587 CenturyTel Internet Holdings,
19262 775 569 Verizon Global Networks
7545 630 549 TPG Internet Pty Ltd
18101 556 521 Reliance Infocom Ltd Internet
6197 1026 517 BellSouth Network Solutions,
19916 568 517 OLM LLC
7029 596 516 Alltel Information Services,
15270 544 509 PaeTec.net -a division of Pae
855 572 501 Canadian Research Network

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
65019 PRIVATE 63.138.117.0/24 19034 Norcom Networks Corp
65332 PRIVATE 63.166.106.192/27 1803 SPRINT
65001 PRIVATE 82.213.31.0/24 12975 PALTEL Autonomous Sy
64512 PRIVATE 193.224.185.0/24 2547 Budapest University
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
7.1.1.0/24 1239 Sprint
94.110.196.0/24 21161 Bechtle Autonomous System
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
172.33.1.0/24 7018 AT&T WorldNet Services
192.0.10.0/24 9498 BHARTI BT INTERNET LTD.
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.153.136.0/21 721 DLA Systems Automation Center
192.172.0.0/19 721 DLA Systems Automation Center

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:9 /10:15 /11:34 /12:126
/13:245 /14:458 /15:885 /16:9442 /17:3995 /18:6416
/19:13601 /20:15697 /21:14128 /22:18421 /23:19542 /24:117353
/25:797 /26:826 /27:477 /28:69 /29:10 /30:13
/31:0 /32:12

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6478 1093 1103 AT&T Worldnet Services
11492 1066 1075 Cable One
18566 992 1010 Covad Communications
9583 935 1094 Sify Limited
2386 849 1148 AT&T Data Communications Serv
7018 814 1502 AT&T WorldNet Services
6197 780 1026 BellSouth Network Solutions,
23577 764 778 Korea Telecom (ATM-MPLS)
7011 705 804 Citizens Utilities
9498 669 1000 BHARTI BT INTERNET LTD.
4755 626 1230 Videsh Sanchar Nigam Ltd. Aut
4766 593 786 Korea Telecom (KIX)
19916 563 568 OLM LLC
4323 520 1273 Time Warner Telecom
17488 520 699 Hathway IP Over Cable Interne
15270 511 544 PaeTec.net -a division of Pae
4668 498 508 LG-EDS Systems Inc.
18101 472 556 Reliance Infocom Ltd Internet
855 470 572 Canadian Research Network
5668 469 604 CenturyTel Internet Holdings,

Number of /24s announced per /8 block (Global)
----------------------------------------------

4:9 7:1 8:81 9:1 12:1811 15:19
16:3 17:3 18:8 20:38 24:922 25:1
32:51 33:2 38:319 40:61 41:156 44:2
47:5 52:4 55:3 56:3 57:24 58:417
59:403 60:302 61:971 62:924 63:1977 64:3118
65:2357 66:3244 67:790 68:629 69:1874 70:517
71:108 72:1335 73:1 74:501 75:261 76:51
77:235 78:2 80:824 81:805 82:657 83:380
84:419 85:819 86:341 87:466 88:276 89:896
90:7 91:354 94:1 97:6 98:3 116:111
117:32 121:160 122:540 123:109 124:823 125:943
128:281 129:225 130:134 131:367 132:52 133:9
134:193 135:38 136:185 137:81 138:142 139:70
140:480 141:170 142:373 143:233 144:292 145:43
146:319 147:122 148:399 149:143 150:137 151:158
152:92 153:125 154:4 155:254 156:152 157:186
158:158 159:158 160:107 161:92 162:228 163:184
164:450 165:399 166:241 167:285 168:506 169:120
170:403 171:16 172:1 189:59 190:642 192:5774
193:3890 194:3142 195:2234 196:916 198:3759 199:3285
200:4797 201:994 202:7340 203:7511 204:3971 205:2029
206:2331 207:2842 208:2709 209:3577 210:2469 211:967
212:1309 213:1474 214:415 215:40 216:4041 217:1147
218:354 219:381 220:963 221:406 222:262

End of report

cscora at apnic

Jun 15, 2007, 11:03 AM

Post #9 of 149 (13189 views)
Permalink

Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.apnic.net.

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 16 Jun, 2007

Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/06/16/0400

Analysis Summary
----------------

BGP routing table entries examined: 222914
Prefixes after maximum aggregation: 117940
Deaggregation factor: 1.89
Unique aggregates announced to Internet: 108491
Total ASes present in the Internet Routing Table: 25464
Prefixes per ASN: 8.75
Origin-only ASes present in the Internet Routing Table: 22162
Origin ASes announcing only one prefix: 10772
Transit ASes present in the Internet Routing Table: 3302
Transit-only ASes present in the Internet Routing Table: 75
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 22
Max AS path prepend of ASN (35389) 16
Prefixes from unregistered ASNs in the Routing Table: 5
Unregistered ASNs in the Routing Table: 7
Prefixes from 32-bit ASNs in the Routing Table: 5
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1737995104
Equivalent to 103 /8s, 151 /16s and 179 /24s
Percentage of available address space announced: 46.9
Percentage of allocated address space announced: 62.1
Percentage of available address space allocated: 75.5
Total number of prefixes smaller than registry allocations: 116911

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 52214
Total APNIC prefixes after maximum aggregation: 20460
APNIC Deaggregation factor: 2.55
Prefixes being announced from the APNIC address blocks: 49154
Unique aggregates announced from the APNIC address blocks: 21596
APNIC Region origin ASes present in the Internet Routing Table: 2976
APNIC Prefixes per ASN: 16.52
APNIC Region origin ASes announcing only one prefix: 796
APNIC Region transit ASes present in the Internet Routing Table: 457
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 299838112
Equivalent to 17 /8s, 223 /16s and 42 /24s
Percentage of available APNIC address space announced: 74.3

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 116/6, 120/6, 124/7, 126/8, 202/7
210/7, 218/7, 220/7 and 222/8

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 106469
Total ARIN prefixes after maximum aggregation: 62049
ARIN Deaggregation factor: 1.72
Prefixes being announced from the ARIN address blocks: 78328
Unique aggregates announced from the ARIN address blocks: 31014
ARIN Region origin ASes present in the Internet Routing Table: 11628
ARIN Prefixes per ASN: 6.74
ARIN Region origin ASes announcing only one prefix: 4468
ARIN Region transit ASes present in the Internet Routing Table: 1070
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 336093824
Equivalent to 20 /8s, 8 /16s and 98 /24s
Percentage of available ARIN address space announced: 74.2

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6,
208/7 and 216/8

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 46726
Total RIPE prefixes after maximum aggregation: 30200
RIPE Deaggregation factor: 1.55
Prefixes being announced from the RIPE address blocks: 43218
Unique aggregates announced from the RIPE address blocks: 28664
RIPE Region origin ASes present in the Internet Routing Table: 9787
RIPE Prefixes per ASN: 4.42
RIPE Region origin ASes announcing only one prefix: 5190
RIPE Region transit ASes present in the Internet Routing Table: 1567
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 315250688
Equivalent to 18 /8s, 202 /16s and 88 /24s
Percentage of available RIPE address space announced: 78.3

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-44031
RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 92/7, 193/8, 194/7,
212/7 and 217/8

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 14923
Total LACNIC prefixes after maximum aggregation: 4216
LACNIC Deaggregation factor: 3.54
Prefixes being announced from the LACNIC address blocks: 12999
Unique aggregates announced from the LACNIC address blocks: 7312
LACNIC Region origin ASes present in the Internet Routing Table: 806
LACNIC Prefixes per ASN: 16.13
LACNIC Region origin ASes announcing only one prefix: 260
LACNIC Region transit ASes present in the Internet Routing Table: 138
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 39271168
Equivalent to 2 /8s, 87 /16s and 59 /24s
Percentage of available LACNIC address space announced: 58.5

LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 2573
Total AfriNIC prefixes after maximum aggregation: 1005
AfriNIC Deaggregation factor: 2.56
Prefixes being announced from the AfriNIC address blocks: 1988
Unique aggregates announced from the AfriNIC address blocks: 1208
AfriNIC Region origin ASes present in the Internet Routing Table: 191
AfriNIC Prefixes per ASN: 10.41
AfriNIC Region origin ASes announcing only one prefix: 58
AfriNIC Region transit ASes present in the Internet Routing Table: 38
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 6243584
Equivalent to 0 /8s, 95 /16s and 69 /24s
Percentage of available AfriNIC address space announced: 18.6

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4134 1289 9973 279 CHINANET-BACKBONE
4755 1230 382 71 Videsh Sanchar Nigam Ltd. Aut
9583 1100 79 395 Sify Limited
9498 1002 469 67 BHARTI BT INTERNET LTD.
4766 787 4943 312 Korea Telecom (KIX)
23577 777 35 705 Korea Telecom (ATM-MPLS)
17488 701 46 40 Hathway IP Over Cable Interne
7545 632 143 82 TPG Internet Pty Ltd
18101 558 117 35 Reliance Infocom Ltd Internet
1221 550 1954 425 Telstra Pty Ltd
4668 508 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
4812 465 843 80 China Telecom (Shanghai)
9443 465 121 77 Primus Telecommunications
7474 412 218 270 SingTel Optus Pty Ltd
4802 408 86 147 Wantree Development
17974 371 129 12 PT TELEKOMUNIKASI INDONESIA
9829 363 258 15 BSNL National Internet Backbo
2907 360 1700 301 SINET Japan
17557 358 41 173 Pakistan Telecom

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
7018 1473 6112 974 AT&T WorldNet Services
4323 1276 1034 366 Time Warner Telecom
2386 1141 596 753 AT&T Data Communications Serv
6478 1111 364 142 AT&T Worldnet Services
11492 1083 106 22 Cable One
6197 1024 707 508 BellSouth Network Solutions,
18566 1010 288 9 Covad Communications
174 956 6780 867 Cogent Communications
701 953 6596 727 UUNET Technologies, Inc.
7011 840 234 531 Citizens Utilities
1239 806 2731 573 Sprint
20115 800 730 426 Charter Communications
19262 776 2703 202 Verizon Global Networks
209 745 3838 581 Qwest
22773 721 1892 44 Cox Communications, Inc.
5668 612 169 20 CenturyTel Internet Holdings,
7029 599 488 80 Alltel Information Services,
852 589 1090 372 Telus Advanced Communications
855 573 253 71 Canadian Research Network
19916 568 49 51 OLM LLC

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
702 515 1938 406 UUNET - Commercial IP service
2119 513 1075 135 Telenor Internet Access
24863 351 56 35 LINKdotNET AS number
3301 308 1471 288 TeliaNet Sweden
3320 307 6018 256 Deutsche Telekom AG
6746 278 129 255 Dynamic Network Technologies,
680 265 2044 256 DFN-IP service G-WiN
3215 249 2296 95 France Telecom Transpac
8220 248 444 240 COLT Telecommunications
8708 237 416 230 Romania Data Systems S.A.
5089 221 1658 53 NTL Group Limited
3269 218 2679 75 TELECOM ITALIA
3352 216 1864 37 Ibernet, Internet Access Netw
9121 208 1441 23 TTnet Autonomous System
8551 207 197 27 Bezeq International
9116 199 136 25 Goldenlines main autonomous s
1257 198 1196 176 SWIPnet Swedish IP Network
3246 197 331 187 Song Networks
12479 189 578 6 Uni2 Autonomous System
3300 181 171 88 AUCS Communications Services

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8151 844 1904 207 UniNet S.A. de C.V.
11830 483 299 19 Instituto Costarricense de El
11172 371 116 63 Servicios Alestra S.A de C.V
16814 361 22 8 NSS, S.A.
22047 316 238 12 VTR PUNTO NET S.A.
7303 295 144 31 Telecom Argentina Stet-France
6471 272 74 33 ENTEL CHILE S.A.
14117 255 19 15 Telefonica del Sur S.A.
11556 231 128 4 Cable-Wireless Panama
6147 223 168 25 Telefonica Del Peru
6503 211 188 84 AVANTEL, S.A.
10620 207 59 14 TVCABLE BOGOTA
10481 181 72 8 Prima S.A.
14522 167 27 8 SatNet S.A.
23216 163 19 42 RAMtelecom Telecomunicaciones
21826 157 27 59 INTERCABLE
7910 155 11 33 ANDINET ON LINE
19429 152 79 41 E.T.B.
20299 147 23 12 NEWCOM AMERICAS
7738 146 474 22 Telecomunicacoes da Bahia S.A

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
3741 280 867 221 The Internet Solution
8452 214 188 7 TEDATA
6713 142 135 11 Itissalat Al-MAGHRIB
2018 136 301 111 Tertiary Education Network
15475 136 84 4 Nile Online
5536 123 8 15 Internet Egypt Network
33783 119 8 9 EEPAD TISP TELECOM & INTERNET
24835 85 48 6 RAYA Telecom - Egypt
2905 77 174 73 The Internetworking Company o
2561 61 6 2 Egyptian Universities Network
15706 56 12 4 Sudatel Internet Exchange Aut
23889 48 16 13 MAURITIUS TELECOM
5713 44 294 34 Telkom SA Ltd
33774 43 29 24 AS Number for Telecom Algeria
16637 37 21 29 Johnnic e-Ventures
33776 36 2 2 Starcomms Nigeria Limited
12455 34 6 3 Jambonet Autonomous system
8524 32 2 8 AUCEGYPT Autonomous System
21280 27 4 4 Swift Global Kenya Ltd.Is an
10798 24 2 15 Standard Bank of South Africa

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4755 1230 1159 Videsh Sanchar Nigam Ltd. Aut
11492 1083 1061 Cable One
4134 1289 1010 CHINANET-BACKBONE
18566 1010 1001 Covad Communications
6478 1111 969 AT&T Worldnet Services
9498 1002 935 BHARTI BT INTERNET LTD.
4323 1276 910 Time Warner Telecom
9583 1100 705 Sify Limited
22773 721 677 Cox Communications, Inc.
17488 701 661 Hathway IP Over Cable Interne
8151 844 637 UniNet S.A. de C.V.
5668 612 592 CenturyTel Internet Holdings,
19262 776 574 Verizon Global Networks
7545 632 550 TPG Internet Pty Ltd
18101 558 523 Reliance Infocom Ltd Internet
7029 599 519 Alltel Information Services,
19916 568 517 OLM LLC
6197 1024 516 BellSouth Network Solutions,
15270 546 511 PaeTec.net -a division of Pae
855 573 502 Canadian Research Network

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
65019 PRIVATE 63.138.117.0/24 19034 Norcom Networks Corp
65332 PRIVATE 63.166.106.192/27 1803 SPRINT
65001 PRIVATE 82.213.31.0/24 12975 PALTEL Autonomous Sy
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
7.1.1.0/24 1239 Sprint
94.110.196.0/24 21161 Bechtle Autonomous System
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
172.33.1.0/24 7018 AT&T WorldNet Services
192.0.10.0/24 9498 BHARTI BT INTERNET LTD.
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.153.136.0/21 721 DLA Systems Automation Center
192.172.0.0/19 721 DLA Systems Automation Center

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:9 /10:15 /11:35 /12:124
/13:245 /14:463 /15:889 /16:9457 /17:4013 /18:6444
/19:13611 /20:15718 /21:14184 /22:18453 /23:19509 /24:117366
/25:803 /26:980 /27:475 /28:67 /29:10 /30:13
/31:0 /32:12

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6478 1101 1111 AT&T Worldnet Services
11492 1074 1083 Cable One
18566 992 1010 Covad Communications
9583 942 1100 Sify Limited
2386 840 1141 AT&T Data Communications Serv
7018 790 1473 AT&T WorldNet Services
6197 777 1024 BellSouth Network Solutions,
23577 763 777 Korea Telecom (ATM-MPLS)
7011 742 840 Citizens Utilities
9498 672 1002 BHARTI BT INTERNET LTD.
4755 631 1230 Videsh Sanchar Nigam Ltd. Aut
4766 593 787 Korea Telecom (KIX)
19916 563 568 OLM LLC
4323 523 1276 Time Warner Telecom
17488 523 701 Hathway IP Over Cable Interne
15270 513 546 PaeTec.net -a division of Pae
4668 498 508 LG-EDS Systems Inc.
5668 477 612 CenturyTel Internet Holdings,
18101 474 558 Reliance Infocom Ltd Internet
855 471 573 Canadian Research Network

Number of /24s announced per /8 block (Global)
----------------------------------------------

4:9 7:1 8:81 9:1 12:1808 15:19
16:3 17:3 18:8 20:36 24:918 25:1
32:51 33:2 38:322 40:61 41:164 44:2
47:5 52:4 55:3 56:3 57:25 58:415
59:405 60:301 61:984 62:933 63:1968 64:3119
65:2356 66:3254 67:746 68:636 69:1879 70:429
71:112 72:1322 73:1 74:525 75:259 76:40
77:238 78:2 80:818 81:808 82:662 83:392
84:418 85:844 86:383 87:486 88:279 89:910
90:7 91:368 94:1 97:6 98:3 116:194
117:49 121:202 122:547 123:114 124:829 125:944
128:280 129:223 130:126 131:365 132:53 133:9
134:193 135:39 136:185 137:81 138:142 139:71
140:481 141:171 142:372 143:234 144:291 145:43
146:320 147:120 148:397 149:142 150:114 151:158
152:93 153:126 154:4 155:254 156:152 157:188
158:158 159:157 160:106 161:91 162:228 163:183
164:450 165:399 166:241 167:285 168:512 169:120
170:401 171:16 172:1 189:53 190:578 192:5767
193:3873 194:3150 195:2237 196:908 198:3753 199:3290
200:4850 201:1017 202:7371 203:7529 204:3963 205:2032
206:2338 207:2811 208:2641 209:3512 210:2457 211:956
212:1310 213:1481 214:413 215:40 216:4010 217:1145
218:358 219:384 220:976 221:409 222:261

End of report

cscora at apnic

Jun 22, 2007, 11:03 AM

Post #10 of 149 (13144 views)
Permalink

Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.apnic.net.

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 23 Jun, 2007

Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/06/23/0400

Analysis Summary
----------------

BGP routing table entries examined: 223924
Prefixes after maximum aggregation: 118158
Deaggregation factor: 1.90
Unique aggregates announced to Internet: 108766
Total ASes present in the Internet Routing Table: 25503
Prefixes per ASN: 8.78
Origin-only ASes present in the Internet Routing Table: 22191
Origin ASes announcing only one prefix: 10772
Transit ASes present in the Internet Routing Table: 3312
Transit-only ASes present in the Internet Routing Table: 77
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 22
Max AS path prepend of ASN (41497) 13
Prefixes from unregistered ASNs in the Routing Table: 4
Unregistered ASNs in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 4
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1725064544
Equivalent to 102 /8s, 210 /16s and 101 /24s
Percentage of available address space announced: 46.5
Percentage of allocated address space announced: 61.7
Percentage of available address space allocated: 75.5
Total number of prefixes smaller than registry allocations: 117585

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 52408
Total APNIC prefixes after maximum aggregation: 20509
APNIC Deaggregation factor: 2.56
Prefixes being announced from the APNIC address blocks: 49331
Unique aggregates announced from the APNIC address blocks: 21648
APNIC Region origin ASes present in the Internet Routing Table: 2982
APNIC Prefixes per ASN: 16.54
APNIC Region origin ASes announcing only one prefix: 802
APNIC Region transit ASes present in the Internet Routing Table: 454
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 300576416
Equivalent to 17 /8s, 234 /16s and 110 /24s
Percentage of available APNIC address space announced: 74.5

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 116/6, 120/6, 124/7, 126/8, 202/7
210/7, 218/7, 220/7 and 222/8

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 106951
Total ARIN prefixes after maximum aggregation: 62141
ARIN Deaggregation factor: 1.72
Prefixes being announced from the ARIN address blocks: 78637
Unique aggregates announced from the ARIN address blocks: 31120
ARIN Region origin ASes present in the Internet Routing Table: 11639
ARIN Prefixes per ASN: 6.76
ARIN Region origin ASes announcing only one prefix: 4472
ARIN Region transit ASes present in the Internet Routing Table: 1070
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 336997248
Equivalent to 20 /8s, 22 /16s and 43 /24s
Percentage of available ARIN address space announced: 74.4

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6,
208/7 and 216/8

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 47033
Total RIPE prefixes after maximum aggregation: 30246
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 43460
Unique aggregates announced from the RIPE address blocks: 28715
RIPE Region origin ASes present in the Internet Routing Table: 9806
RIPE Prefixes per ASN: 4.43
RIPE Region origin ASes announcing only one prefix: 5188
RIPE Region transit ASes present in the Internet Routing Table: 1573
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 317645824
Equivalent to 18 /8s, 238 /16s and 228 /24s
Percentage of available RIPE address space announced: 78.9

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-44031
RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 92/7, 193/8, 194/7,
212/7 and 217/8

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 15002
Total LACNIC prefixes after maximum aggregation: 4249
LACNIC Deaggregation factor: 3.53
Prefixes being announced from the LACNIC address blocks: 13042
Unique aggregates announced from the LACNIC address blocks: 7379
LACNIC Region origin ASes present in the Internet Routing Table: 808
LACNIC Prefixes per ASN: 16.14
LACNIC Region origin ASes announcing only one prefix: 254
LACNIC Region transit ASes present in the Internet Routing Table: 141
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 39278592
Equivalent to 2 /8s, 87 /16s and 88 /24s
Percentage of available LACNIC address space announced: 58.5

LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 2523
Total AfriNIC prefixes after maximum aggregation: 1005
AfriNIC Deaggregation factor: 2.51
Prefixes being announced from the AfriNIC address blocks: 1997
Unique aggregates announced from the AfriNIC address blocks: 1216
AfriNIC Region origin ASes present in the Internet Routing Table: 190
AfriNIC Prefixes per ASN: 10.51
AfriNIC Region origin ASes announcing only one prefix: 56
AfriNIC Region transit ASes present in the Internet Routing Table: 36
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 6180608
Equivalent to 0 /8s, 94 /16s and 79 /24s
Percentage of available AfriNIC address space announced: 18.4

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4134 1295 10021 281 CHINANET-BACKBONE
4755 1237 382 72 Videsh Sanchar Nigam Ltd. Aut
9583 1104 79 396 Sify Limited
9498 999 469 66 BHARTI BT INTERNET LTD.
4766 788 4943 312 Korea Telecom (KIX)
23577 778 35 704 Korea Telecom (ATM-MPLS)
17488 704 46 41 Hathway IP Over Cable Interne
7545 668 149 107 TPG Internet Pty Ltd
18101 559 117 35 Reliance Infocom Ltd Internet
1221 548 1954 423 Telstra Pty Ltd
4668 508 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
4812 469 882 87 China Telecom (Shanghai)
9443 467 121 77 Primus Telecommunications
7474 412 218 270 SingTel Optus Pty Ltd
4802 409 88 149 Wantree Development
17974 371 129 12 PT TELEKOMUNIKASI INDONESIA
4808 366 668 114 CNCGROUP IP network: China169
2907 362 1700 301 SINET Japan
9829 362 258 14 BSNL National Internet Backbo

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
7018 1475 6101 978 AT&T WorldNet Services
4323 1308 1042 367 Time Warner Telecom
2386 1205 615 754 AT&T Data Communications Serv
6478 1115 365 146 AT&T Worldnet Services
11492 1091 107 23 Cable One
6197 1025 716 509 BellSouth Network Solutions,
18566 1010 288 9 Covad Communications
174 956 6778 868 Cogent Communications
701 955 6597 726 UUNET Technologies, Inc.
7011 845 250 535 Citizens Utilities
1239 811 2736 580 Sprint
20115 799 730 425 Charter Communications
19262 776 2705 203 Verizon Global Networks
209 752 3854 580 Qwest
22773 726 1892 44 Cox Communications, Inc.
5668 614 169 20 CenturyTel Internet Holdings,
7029 600 488 80 Alltel Information Services,
852 581 1089 365 Telus Advanced Communications
855 575 254 73 Canadian Research Network
19916 568 49 51 OLM LLC

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
2119 514 1075 136 Telenor Internet Access
702 510 1938 402 UUNET - Commercial IP service
24863 351 56 35 LINKdotNET AS number
3307 322 180 43 BaneTele AS (formerly Enitel)
3301 310 1455 290 TeliaNet Sweden
3320 306 6034 257 Deutsche Telekom AG
6746 280 129 256 Dynamic Network Technologies,
680 264 2044 255 DFN-IP service G-WiN
3215 250 2320 93 France Telecom Transpac
8220 250 444 242 COLT Telecommunications
8708 235 415 228 Romania Data Systems S.A.
8551 223 213 28 Bezeq International
5089 221 1658 53 NTL Group Limited
3269 218 2679 75 TELECOM ITALIA
3352 216 1848 43 Ibernet, Internet Access Netw
9121 209 1441 24 TTnet Autonomous System
9116 199 136 25 Goldenlines main autonomous s
1257 197 1196 175 SWIPnet Swedish IP Network
3246 194 329 184 Song Networks
12479 188 578 6 Uni2 Autonomous System

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8151 850 1918 209 UniNet S.A. de C.V.
11830 483 299 9 Instituto Costarricense de El
11172 371 116 64 Servicios Alestra S.A de C.V
16814 361 22 8 NSS, S.A.
22047 313 238 12 VTR PUNTO NET S.A.
7303 296 144 31 Telecom Argentina Stet-France
6471 275 74 33 ENTEL CHILE S.A.
14117 255 19 15 Telefonica del Sur S.A.
11556 231 128 4 Cable-Wireless Panama
6147 224 170 26 Telefonica Del Peru
6503 212 188 84 AVANTEL, S.A.
10620 208 59 14 TVCABLE BOGOTA
23216 186 19 42 RAMtelecom Telecomunicaciones
10481 181 72 8 Prima S.A.
14522 170 27 8 SatNet S.A.
21826 157 27 59 INTERCABLE
19169 153 10 31 Telconet
20299 150 23 12 NEWCOM AMERICAS
7738 146 474 22 Telecomunicacoes da Bahia S.A
14571 138 33 4 Internet Group do Brasil

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
3741 280 867 221 The Internet Solution
8452 214 188 7 TEDATA
6713 142 135 11 Itissalat Al-MAGHRIB
2018 136 301 111 Tertiary Education Network
5536 123 8 15 Internet Egypt Network
33783 119 8 9 EEPAD TISP TELECOM & INTERNET
24835 85 48 6 RAYA Telecom - Egypt
2905 77 174 73 The Internetworking Company o
15475 74 84 4 Nile Online
2561 62 6 2 Egyptian Universities Network
15706 56 12 4 Sudatel Internet Exchange Aut
23889 48 16 13 MAURITIUS TELECOM
5713 44 294 34 Telkom SA Ltd
33774 43 29 24 AS Number for Telecom Algeria
16637 37 21 29 Johnnic e-Ventures
33776 36 2 2 Starcomms Nigeria Limited
8524 32 2 8 AUCEGYPT Autonomous System
12455 32 6 3 Jambonet Autonomous system
21280 27 4 4 Swift Global Kenya Ltd.Is an
10798 24 2 15 Standard Bank of South Africa

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4755 1237 1165 Videsh Sanchar Nigam Ltd. Aut
11492 1091 1068 Cable One
4134 1295 1014 CHINANET-BACKBONE
18566 1010 1001 Covad Communications
6478 1115 969 AT&T Worldnet Services
4323 1308 941 Time Warner Telecom
9498 999 933 BHARTI BT INTERNET LTD.
9583 1104 708 Sify Limited
22773 726 682 Cox Communications, Inc.
17488 704 663 Hathway IP Over Cable Interne
8151 850 641 UniNet S.A. de C.V.
5668 614 594 CenturyTel Internet Holdings,
19262 776 573 Verizon Global Networks
7545 668 561 TPG Internet Pty Ltd
18101 559 524 Reliance Infocom Ltd Internet
7029 600 520 Alltel Information Services,
19916 568 517 OLM LLC
6197 1025 516 BellSouth Network Solutions,
6517 547 514 Yipes Communications, Inc.
15270 548 513 PaeTec.net -a division of Pae

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
65332 PRIVATE 63.166.106.192/27 1803 SPRINT
65535 PRIVATE 200.62.98.0/24 7137 TELEMATIX/ ENITEL
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
7.1.1.0/24 1239 Sprint
94.110.196.0/24 21161 Bechtle Autonomous System
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
172.33.1.0/24 7018 AT&T WorldNet Services
192.0.10.0/24 9498 BHARTI BT INTERNET LTD.
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.153.136.0/21 721 DLA Systems Automation Center
192.172.0.0/19 721 DLA Systems Automation Center

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:18 /9:9 /10:15 /11:35 /12:125
/13:247 /14:462 /15:891 /16:9483 /17:4004 /18:6465
/19:13655 /20:15789 /21:14177 /22:18546 /23:19620 /24:118020
/25:800 /26:982 /27:477 /28:67 /29:10 /30:14
/31:0 /32:13

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6478 1105 1115 AT&T Worldnet Services
11492 1082 1091 Cable One
18566 992 1010 Covad Communications
9583 946 1104 Sify Limited
2386 903 1205 AT&T Data Communications Serv
7018 793 1475 AT&T WorldNet Services
6197 777 1025 BellSouth Network Solutions,
23577 764 778 Korea Telecom (ATM-MPLS)
7011 746 845 Citizens Utilities
9498 670 999 BHARTI BT INTERNET LTD.
4755 637 1237 Videsh Sanchar Nigam Ltd. Aut
4766 594 788 Korea Telecom (KIX)
19916 563 568 OLM LLC
4323 545 1308 Time Warner Telecom
17488 527 704 Hathway IP Over Cable Interne
6517 515 547 Yipes Communications, Inc.
15270 515 548 PaeTec.net -a division of Pae
4668 498 508 LG-EDS Systems Inc.
5668 479 614 CenturyTel Internet Holdings,
18101 475 559 Reliance Infocom Ltd Internet

Number of /24s announced per /8 block (Global)
----------------------------------------------

4:8 7:1 8:82 9:1 12:1813 15:18
16:3 17:3 18:11 20:38 24:934 25:1
32:52 33:2 38:325 40:61 41:169 44:2
47:5 52:4 55:3 56:3 57:24 58:417
59:402 60:310 61:986 62:878 63:1975 64:3125
65:2362 66:3272 67:746 68:637 69:1889 70:430
71:112 72:1321 73:1 74:528 75:261 76:65
77:245 78:2 80:816 81:812 82:665 83:390
84:415 85:929 86:340 87:477 88:287 89:859
90:7 91:373 94:1 97:6 98:3 116:194
117:57 121:205 122:553 123:117 124:856 125:945
128:286 129:224 130:128 131:367 132:53 133:9
134:193 135:39 136:184 137:81 138:142 139:72
140:478 141:172 142:373 143:241 144:297 145:43
146:320 147:119 148:402 149:146 150:115 151:158
152:93 153:126 154:4 155:253 156:152 157:196
158:158 159:158 160:106 161:88 162:227 163:183
164:447 165:406 166:294 167:287 168:512 169:119
170:401 171:16 172:1 189:58 190:590 192:5765
193:3894 194:3189 195:2312 196:915 198:3832 199:3289
200:4825 201:1070 202:7403 203:7542 204:3967 205:2028
206:2414 207:2817 208:2694 209:3511 210:2483 211:960
212:1307 213:1493 214:407 215:40 216:3984 217:1149
218:350 219:383 220:973 221:412 222:261

End of report

cscora at apnic

Jun 29, 2007, 12:00 PM

Post #11 of 149 (13117 views)
Permalink

Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.apnic.net.

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 30 Jun, 2007

Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/06/30/0400

Analysis Summary
----------------

BGP routing table entries examined: 224622
Prefixes after maximum aggregation: 118451
Deaggregation factor: 1.90
Unique aggregates announced to Internet: 109225
Total ASes present in the Internet Routing Table: 25577
Prefixes per ASN: 8.78
Origin-only ASes present in the Internet Routing Table: 22272
Origin ASes announcing only one prefix: 10821
Transit ASes present in the Internet Routing Table: 3305
Transit-only ASes present in the Internet Routing Table: 74
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 22
Max AS path prepend of ASN (35389) 16
Prefixes from unregistered ASNs in the Routing Table: 16
Unregistered ASNs in the Routing Table: 20
Prefixes from 32-bit ASNs in the Routing Table: 4
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1731452128
Equivalent to 103 /8s, 51 /16s and 220 /24s
Percentage of available address space announced: 46.7
Percentage of allocated address space announced: 61.9
Percentage of available address space allocated: 75.5
Total number of prefixes smaller than registry allocations: 117910

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 52657
Total APNIC prefixes after maximum aggregation: 20514
APNIC Deaggregation factor: 2.57
Prefixes being announced from the APNIC address blocks: 49562
Unique aggregates announced from the APNIC address blocks: 21739
APNIC Region origin ASes present in the Internet Routing Table: 2996
APNIC Prefixes per ASN: 16.54
APNIC Region origin ASes announcing only one prefix: 810
APNIC Region transit ASes present in the Internet Routing Table: 456
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 301656224
Equivalent to 17 /8s, 250 /16s and 232 /24s
Percentage of available APNIC address space announced: 74.7

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 116/6, 120/6, 124/7, 126/8, 202/7
210/7, 218/7, 220/7 and 222/8

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 107145
Total ARIN prefixes after maximum aggregation: 62315
ARIN Deaggregation factor: 1.72
Prefixes being announced from the ARIN address blocks: 78811
Unique aggregates announced from the ARIN address blocks: 31164
ARIN Region origin ASes present in the Internet Routing Table: 11665
ARIN Prefixes per ASN: 6.76
ARIN Region origin ASes announcing only one prefix: 4489
ARIN Region transit ASes present in the Internet Routing Table: 1062
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 338181440
Equivalent to 20 /8s, 40 /16s and 61 /24s
Percentage of available ARIN address space announced: 74.7

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6,
208/7 and 216/8

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 46947
Total RIPE prefixes after maximum aggregation: 30348
RIPE Deaggregation factor: 1.55
Prefixes being announced from the RIPE address blocks: 43349
Unique aggregates announced from the RIPE address blocks: 28811
RIPE Region origin ASes present in the Internet Routing Table: 9830
RIPE Prefixes per ASN: 4.41
RIPE Region origin ASes announcing only one prefix: 5203
RIPE Region transit ASes present in the Internet Routing Table: 1570
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 320961472
Equivalent to 19 /8s, 33 /16s and 123 /24s
Percentage of available RIPE address space announced: 79.7

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-44031
RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 92/7, 193/8, 194/7,
212/7 and 217/8

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 15306
Total LACNIC prefixes after maximum aggregation: 4251
LACNIC Deaggregation factor: 3.60
Prefixes being announced from the LACNIC address blocks: 13356
Unique aggregates announced from the LACNIC address blocks: 7547
LACNIC Region origin ASes present in the Internet Routing Table: 817
LACNIC Prefixes per ASN: 16.35
LACNIC Region origin ASes announcing only one prefix: 261
LACNIC Region transit ASes present in the Internet Routing Table: 146
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 40049920
Equivalent to 2 /8s, 99 /16s and 29 /24s
Percentage of available LACNIC address space announced: 59.7

LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 2561
Total AfriNIC prefixes after maximum aggregation: 1015
AfriNIC Deaggregation factor: 2.52
Prefixes being announced from the AfriNIC address blocks: 2043
Unique aggregates announced from the AfriNIC address blocks: 1244
AfriNIC Region origin ASes present in the Internet Routing Table: 194
AfriNIC Prefixes per ASN: 10.53
AfriNIC Region origin ASes announcing only one prefix: 58
AfriNIC Region transit ASes present in the Internet Routing Table: 36
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 6196736
Equivalent to 0 /8s, 94 /16s and 142 /24s
Percentage of available AfriNIC address space announced: 18.5

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4134 1347 10189 282 CHINANET-BACKBONE
4755 1243 382 72 Videsh Sanchar Nigam Ltd. Aut
9583 1107 79 394 Sify Limited
9498 980 469 66 BHARTI BT INTERNET LTD.
4766 789 4927 312 Korea Telecom (KIX)
23577 775 35 703 Korea Telecom (ATM-MPLS)
17488 706 46 49 Hathway IP Over Cable Interne
7545 689 151 110 TPG Internet Pty Ltd
18101 565 117 36 Reliance Infocom Ltd Internet
1221 550 1954 425 Telstra Pty Ltd
4812 517 904 92 China Telecom (Shanghai)
4668 508 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
9443 467 121 77 Primus Telecommunications
4802 411 105 151 Wantree Development
7474 410 218 270 SingTel Optus Pty Ltd
17974 371 130 13 PT TELEKOMUNIKASI INDONESIA
9829 362 258 14 BSNL National Internet Backbo
2907 361 1700 301 SINET Japan
17557 352 41 170 Pakistan Telecom

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
7018 1474 6087 986 AT&T WorldNet Services
4323 1318 1042 368 Time Warner Telecom
2386 1211 615 752 AT&T Data Communications Serv
6478 1124 368 153 AT&T Worldnet Services
11492 1094 107 23 Cable One
6197 1024 717 510 BellSouth Network Solutions,
18566 1011 288 9 Covad Communications
174 954 6778 865 Cogent Communications
701 951 6597 723 UUNET Technologies, Inc.
7011 849 252 538 Citizens Utilities
1239 810 2734 580 Sprint
20115 798 728 424 Charter Communications
19262 779 2724 202 Verizon Global Networks
209 751 3854 579 Qwest
22773 728 1892 44 Cox Communications, Inc.
5668 614 169 21 CenturyTel Internet Holdings,
7029 602 488 80 Alltel Information Services,
852 579 1089 363 Telus Advanced Communications
855 575 254 73 Canadian Research Network
19916 568 49 51 OLM LLC

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
2119 514 1075 136 Telenor Internet Access
702 512 1936 403 UUNET - Commercial IP service
24863 355 56 37 LINKdotNET AS number
3301 310 1455 290 TeliaNet Sweden
3320 305 6034 256 Deutsche Telekom AG
6746 280 129 256 Dynamic Network Technologies,
680 264 2044 255 DFN-IP service G-WiN
3215 254 2376 96 France Telecom Transpac
8220 249 444 241 COLT Telecommunications
8708 248 419 238 Romania Data Systems S.A.
8551 223 213 28 Bezeq International
3269 222 2775 74 TELECOM ITALIA
5089 221 1658 53 NTL Group Limited
3352 219 1864 41 Ibernet, Internet Access Netw
9121 210 1441 24 TTnet Autonomous System
9116 200 136 25 Goldenlines main autonomous s
1257 196 1196 174 SWIPnet Swedish IP Network
3246 195 329 185 Song Networks
12479 191 578 6 Uni2 Autonomous System
3300 186 172 92 AUCS Communications Services

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8151 854 1917 211 UniNet S.A. de C.V.
11830 483 299 9 Instituto Costarricense de El
11172 371 116 63 Servicios Alestra S.A de C.V
16814 361 22 8 NSS, S.A.
22047 313 238 12 VTR PUNTO NET S.A.
7303 300 145 32 Telecom Argentina Stet-France
14117 279 19 15 Telefonica del Sur S.A.
6471 275 74 33 ENTEL CHILE S.A.
11556 231 128 4 Cable-Wireless Panama
6147 225 172 27 Telefonica Del Peru
6503 211 188 84 AVANTEL, S.A.
10620 207 59 14 TVCABLE BOGOTA
23216 195 16 43 RAMtelecom Telecomunicaciones
10481 181 72 8 Prima S.A.
14522 173 27 8 SatNet S.A.
21826 156 27 59 INTERCABLE
7910 155 11 30 ANDINET ON LINE
19169 153 10 31 Telconet
20299 152 23 12 NEWCOM AMERICAS
7738 146 474 22 Telecomunicacoes da Bahia S.A

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
3741 280 867 221 The Internet Solution
8452 226 188 7 TEDATA
6713 142 135 11 Itissalat Al-MAGHRIB
2018 136 301 111 Tertiary Education Network
33783 126 8 11 EEPAD TISP TELECOM & INTERNET
5536 123 8 15 Internet Egypt Network
24835 85 48 6 RAYA Telecom - Egypt
2905 77 174 73 The Internetworking Company o
15475 75 84 4 Nile Online
2561 62 6 2 Egyptian Universities Network
15706 56 12 4 Sudatel Internet Exchange Aut
23889 49 16 14 MAURITIUS TELECOM
5713 45 294 35 Telkom SA Ltd
33774 43 29 24 AS Number for Telecom Algeria
16637 37 21 29 Johnnic e-Ventures
33776 36 2 2 Starcomms Nigeria Limited
8524 32 2 8 AUCEGYPT Autonomous System
12455 32 6 3 Jambonet Autonomous system
21280 28 4 4 Swift Global Kenya Ltd.Is an
10798 24 2 15 Standard Bank of South Africa

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4755 1243 1171 Videsh Sanchar Nigam Ltd. Aut
11492 1094 1071 Cable One
4134 1347 1065 CHINANET-BACKBONE
18566 1011 1002 Covad Communications
6478 1124 971 AT&T Worldnet Services
4323 1318 950 Time Warner Telecom
9498 980 914 BHARTI BT INTERNET LTD.
9583 1107 713 Sify Limited
22773 728 684 Cox Communications, Inc.
17488 706 657 Hathway IP Over Cable Interne
8151 854 643 UniNet S.A. de C.V.
5668 614 593 CenturyTel Internet Holdings,
7545 689 579 TPG Internet Pty Ltd
19262 779 577 Verizon Global Networks
18101 565 529 Reliance Infocom Ltd Internet
6517 560 525 Yipes Communications, Inc.
7029 602 522 Alltel Information Services,
19916 568 517 OLM LLC
15270 551 516 PaeTec.net -a division of Pae
6197 1024 514 BellSouth Network Solutions,

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
65332 PRIVATE 63.166.106.192/27 1803 SPRINT
43190 UNALLOCATED 77.95.248.0/21 39637 PE Netlogics BV
43065 UNALLOCATED 77.247.112.0/22 8342 Rostelecom Internet
42923 UNALLOCATED 88.199.162.0/24 12968 Crowley Data Poland,
39701 UNALLOCATED 88.204.14.0/24 29047 Stack Ltd. Autonomou
43211 UNALLOCATED 89.45.72.0/21 35002 HERTZA Computers
42935 UNALLOCATED 91.123.208.0/24 5617 TPNET
42842 UNALLOCATED 91.193.176.0/22 12389 JSC Rostelecom
43196 UNALLOCATED 91.194.154.0/23 174 Cogent Communication
42301 UNALLOCATED 193.33.38.0/23 6820 LEIVO Autonomous Sys
42856 UNALLOCATED 193.200.137.0/24 8495 Internet GmbH Autono
43078 UNALLOCATED 193.200.190.0/24 21219 Datacom Autonomous S
43138 UNALLOCATED 193.200.245.0/24 702 UUNET - Commercial I
42452 UNALLOCATED 194.0.129.0/24 8751 Media Sat S.A.
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
7.1.1.0/24 1239 Sprint
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
172.33.1.0/24 7018 AT&T WorldNet Services
192.0.10.0/24 9498 BHARTI BT INTERNET LTD.
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.153.136.0/21 721 DLA Systems Automation Center
192.172.0.0/19 721 DLA Systems Automation Center

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:18 /9:9 /10:15 /11:36 /12:126
/13:252 /14:464 /15:903 /16:9511 /17:4023 /18:6508
/19:13698 /20:15858 /21:14295 /22:18656 /23:19621 /24:118249
/25:792 /26:995 /27:480 /28:76 /29:10 /30:14
/31:0 /32:13

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6478 1114 1124 AT&T Worldnet Services
11492 1085 1094 Cable One
18566 993 1011 Covad Communications
9583 949 1107 Sify Limited
2386 904 1211 AT&T Data Communications Serv
7018 800 1474 AT&T WorldNet Services
6197 777 1024 BellSouth Network Solutions,
23577 761 775 Korea Telecom (ATM-MPLS)
7011 748 849 Citizens Utilities
9498 651 980 BHARTI BT INTERNET LTD.
4755 641 1243 Videsh Sanchar Nigam Ltd. Aut
4766 596 789 Korea Telecom (KIX)
19916 563 568 OLM LLC
4323 551 1318 Time Warner Telecom
17488 529 706 Hathway IP Over Cable Interne
6517 526 560 Yipes Communications, Inc.
15270 518 551 PaeTec.net -a division of Pae
4668 498 508 LG-EDS Systems Inc.
18101 480 565 Reliance Infocom Ltd Internet
5668 479 614 CenturyTel Internet Holdings,

Number of /24s announced per /8 block (Global)
----------------------------------------------

4:8 7:1 8:84 9:1 12:1806 15:18
16:3 17:3 18:11 20:38 24:939 25:1
32:50 33:3 38:330 40:61 41:181 44:2
47:4 52:4 55:3 56:3 57:25 58:424
59:392 60:313 61:992 62:879 63:1972 64:3129
65:2356 66:3295 67:747 68:633 69:1891 70:432
71:107 72:1333 73:2 74:545 75:265 76:73
77:258 78:2 80:813 81:816 82:705 83:374
84:417 85:844 86:343 87:488 88:287 89:878
90:7 91:386 97:6 98:3 116:213 117:57
121:214 122:555 123:120 124:835 125:944 128:290
129:224 130:127 131:366 132:53 133:9 134:195
135:39 136:182 137:82 138:148 139:73 140:480
141:173 142:374 143:248 144:298 145:43 146:321
147:120 148:400 149:144 150:113 151:160 152:93
153:126 154:4 155:254 156:152 157:212 158:157
159:158 160:106 161:92 162:221 163:183 164:440
165:408 166:294 167:287 168:501 169:120 170:406
171:18 172:1 189:62 190:678 192:5767 193:3895
194:3171 195:2244 196:937 198:3825 199:3282 200:4902
201:1074 202:7406 203:7576 204:3961 205:2016 206:2414
207:2834 208:2702 209:3497 210:2465 211:958 212:1307
213:1471 214:403 215:40 216:3997 217:1149 218:360
219:382 220:979 221:412 222:264

End of report

cscora at apnic

Jul 6, 2007, 11:03 AM

Post #12 of 149 (13077 views)
Permalink

Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.apnic.net.

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 07 Jul, 2007

Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/07/07/0400

Analysis Summary
----------------

BGP routing table entries examined: 224940
Prefixes after maximum aggregation: 118452
Deaggregation factor: 1.90
Unique aggregates announced to Internet: 109238
Total ASes present in the Internet Routing Table: 25608
Prefixes per ASN: 8.78
Origin-only ASes present in the Internet Routing Table: 22305
Origin ASes announcing only one prefix: 10844
Transit ASes present in the Internet Routing Table: 3303
Transit-only ASes present in the Internet Routing Table: 71
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 21
Max AS path prepend of ASN (35389) 16
Prefixes from unregistered ASNs in the Routing Table: 5
Unregistered ASNs in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 5
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1732627296
Equivalent to 103 /8s, 69 /16s and 203 /24s
Percentage of available address space announced: 46.7
Percentage of allocated address space announced: 61.9
Percentage of available address space allocated: 75.5
Total number of prefixes smaller than registry allocations: 118245

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 52740
Total APNIC prefixes after maximum aggregation: 20549
APNIC Deaggregation factor: 2.57
Prefixes being announced from the APNIC address blocks: 49622
Unique aggregates announced from the APNIC address blocks: 21775
APNIC Region origin ASes present in the Internet Routing Table: 2997
APNIC Prefixes per ASN: 16.56
APNIC Region origin ASes announcing only one prefix: 802
APNIC Region transit ASes present in the Internet Routing Table: 456
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 21
Number of APNIC addresses announced to Internet: 301953440
Equivalent to 17 /8s, 255 /16s and 113 /24s
Percentage of available APNIC address space announced: 74.8

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 116/6, 120/6, 124/7, 126/8, 202/7
210/7, 218/7, 220/7 and 222/8

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 107095
Total ARIN prefixes after maximum aggregation: 62227
ARIN Deaggregation factor: 1.72
Prefixes being announced from the ARIN address blocks: 78778
Unique aggregates announced from the ARIN address blocks: 31062
ARIN Region origin ASes present in the Internet Routing Table: 11665
ARIN Prefixes per ASN: 6.75
ARIN Region origin ASes announcing only one prefix: 4495
ARIN Region transit ASes present in the Internet Routing Table: 1062
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 338547520
Equivalent to 20 /8s, 45 /16s and 211 /24s
Percentage of available ARIN address space announced: 74.7

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6,
208/7 and 216/8

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 47138
Total RIPE prefixes after maximum aggregation: 30397
RIPE Deaggregation factor: 1.55
Prefixes being announced from the RIPE address blocks: 43530
Unique aggregates announced from the RIPE address blocks: 28835
RIPE Region origin ASes present in the Internet Routing Table: 9860
RIPE Prefixes per ASN: 4.41
RIPE Region origin ASes announcing only one prefix: 5223
RIPE Region transit ASes present in the Internet Routing Table: 1570
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 321193280
Equivalent to 19 /8s, 37 /16s and 5 /24s
Percentage of available RIPE address space announced: 79.8

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-44031
RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 92/7, 193/8, 194/7,
212/7 and 217/8

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 15414
Total LACNIC prefixes after maximum aggregation: 4257
LACNIC Deaggregation factor: 3.62
Prefixes being announced from the LACNIC address blocks: 13442
Unique aggregates announced from the LACNIC address blocks: 7607
LACNIC Region origin ASes present in the Internet Routing Table: 821
LACNIC Prefixes per ASN: 16.37
LACNIC Region origin ASes announcing only one prefix: 266
LACNIC Region transit ASes present in the Internet Routing Table: 144
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 40256000
Equivalent to 2 /8s, 102 /16s and 66 /24s
Percentage of available LACNIC address space announced: 60.0

LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 2546
Total AfriNIC prefixes after maximum aggregation: 1012
AfriNIC Deaggregation factor: 2.52
Prefixes being announced from the AfriNIC address blocks: 2033
Unique aggregates announced from the AfriNIC address blocks: 1243
AfriNIC Region origin ASes present in the Internet Routing Table: 193
AfriNIC Prefixes per ASN: 10.53
AfriNIC Region origin ASes announcing only one prefix: 58
AfriNIC Region transit ASes present in the Internet Routing Table: 36
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 6277888
Equivalent to 0 /8s, 95 /16s and 203 /24s
Percentage of available AfriNIC address space announced: 18.7

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4134 1349 10237 282 CHINANET-BACKBONE
4755 1265 382 71 Videsh Sanchar Nigam Ltd. Aut
9583 1112 79 396 Sify Limited
9498 993 469 66 BHARTI BT INTERNET LTD.
23577 800 34 693 Korea Telecom (ATM-MPLS)
4766 781 4927 314 Korea Telecom (KIX)
17488 712 46 52 Hathway IP Over Cable Interne
7545 688 151 115 TPG Internet Pty Ltd
18101 563 117 36 Reliance Infocom Ltd Internet
1221 545 1950 425 Telstra Pty Ltd
4812 527 903 92 China Telecom (Shanghai)
4668 510 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
9443 470 122 77 Primus Telecommunications
4802 411 105 151 Wantree Development
7474 409 218 269 SingTel Optus Pty Ltd
17974 370 130 13 PT TELEKOMUNIKASI INDONESIA
2907 362 1701 302 SINET Japan
9829 362 258 14 BSNL National Internet Backbo
17557 351 41 171 Pakistan Telecom

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
7018 1451 6057 985 AT&T WorldNet Services
4323 1321 1038 369 Time Warner Telecom
2386 1212 616 754 AT&T Data Communications Serv
6478 1128 368 147 AT&T Worldnet Services
11492 1095 107 24 Cable One
6197 1027 717 509 BellSouth Network Solutions,
18566 1012 288 9 Covad Communications
174 965 6778 864 Cogent Communications
701 946 6597 721 UUNET Technologies, Inc.
7011 851 252 537 Citizens Utilities
1239 812 2734 580 Sprint
20115 798 728 424 Charter Communications
19262 777 2724 200 Verizon Global Networks
209 748 3859 581 Qwest
22773 733 1892 46 Cox Communications, Inc.
5668 616 169 21 CenturyTel Internet Holdings,
7029 614 488 79 Alltel Information Services,
855 575 254 73 Canadian Research Network
852 572 1089 362 Telus Advanced Communications
6198 568 613 260 BellSouth Network Solutions,

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
2119 514 1075 136 Telenor Internet Access
702 503 1930 402 UUNET - Commercial IP service
24863 356 56 37 LINKdotNET AS number
3301 310 1455 290 TeliaNet Sweden
3320 310 6034 257 Deutsche Telekom AG
6746 280 129 256 Dynamic Network Technologies,
5089 268 1658 53 NTL Group Limited
680 263 2044 255 DFN-IP service G-WiN
9116 260 136 25 Goldenlines main autonomous s
3215 255 2376 96 France Telecom Transpac
8708 250 420 239 Romania Data Systems S.A.
8220 248 444 240 COLT Telecommunications
8551 223 213 28 Bezeq International
3269 222 2775 74 TELECOM ITALIA
3352 219 1864 41 Ibernet, Internet Access Netw
9121 210 1441 24 TTnet Autonomous System
1257 195 1196 173 SWIPnet Swedish IP Network
3246 194 328 184 Song Networks
12479 190 578 6 Uni2 Autonomous System
3300 185 172 91 AUCS Communications Services

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8151 856 1917 208 UniNet S.A. de C.V.
11830 483 299 9 Instituto Costarricense de El
11172 373 116 63 Servicios Alestra S.A de C.V
16814 361 22 8 NSS, S.A.
22047 313 238 12 VTR PUNTO NET S.A.
7303 300 145 32 Telecom Argentina Stet-France
6471 295 74 33 ENTEL CHILE S.A.
14117 279 19 15 Telefonica del Sur S.A.
11556 231 128 4 Cable-Wireless Panama
6147 225 172 27 Telefonica Del Peru
6503 208 172 85 AVANTEL, S.A.
10620 207 59 14 TVCABLE BOGOTA
23216 195 16 43 RAMtelecom Telecomunicaciones
10481 181 72 8 Prima S.A.
14522 176 28 7 SatNet S.A.
8163 173 11 7 METROTEL REDES S.A.
7738 156 506 23 Telecomunicacoes da Bahia S.A
21826 156 27 59 INTERCABLE
7910 155 11 30 ANDINET ON LINE
19169 153 10 31 Telconet

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
3741 278 867 220 The Internet Solution
8452 211 188 7 TEDATA
6713 142 135 11 Itissalat Al-MAGHRIB
2018 136 301 111 Tertiary Education Network
33783 124 8 12 EEPAD TISP TELECOM & INTERNET
5536 123 8 15 Internet Egypt Network
24835 86 48 6 RAYA Telecom - Egypt
2905 77 174 73 The Internetworking Company o
15475 76 84 4 Nile Online
2561 62 6 2 Egyptian Universities Network
15706 56 12 4 Sudatel Internet Exchange Aut
23889 49 16 14 MAURITIUS TELECOM
5713 45 294 35 Telkom SA Ltd
33774 43 29 24 AS Number for Telecom Algeria
16637 37 21 29 Johnnic e-Ventures
12455 35 6 3 Jambonet Autonomous system
33776 35 2 3 Starcomms Nigeria Limited
8524 32 2 8 AUCEGYPT Autonomous System
21280 28 4 4 Swift Global Kenya Ltd.Is an
10798 24 2 15 Standard Bank of South Africa

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4755 1265 1194 Videsh Sanchar Nigam Ltd. Aut
11492 1095 1071 Cable One
4134 1349 1067 CHINANET-BACKBONE
18566 1012 1003 Covad Communications
6478 1128 981 AT&T Worldnet Services
4323 1321 952 Time Warner Telecom
9498 993 927 BHARTI BT INTERNET LTD.
9583 1112 716 Sify Limited
22773 733 687 Cox Communications, Inc.
17488 712 660 Hathway IP Over Cable Interne
8151 856 648 UniNet S.A. de C.V.
5668 616 595 CenturyTel Internet Holdings,
19262 777 577 Verizon Global Networks
7545 688 573 TPG Internet Pty Ltd
7029 614 535 Alltel Information Services,
18101 563 527 Reliance Infocom Ltd Internet
6517 561 525 Yipes Communications, Inc.
6197 1027 518 BellSouth Network Solutions,
19916 568 517 OLM LLC
15270 555 517 PaeTec.net -a division of Pae

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
65332 PRIVATE 63.166.106.192/27 1803 SPRINT
38347 UNALLOCATED 116.212.160.0/21 9389 BEIJING SHENZHOU GRE
38347 UNALLOCATED 116.212.168.0/21 9389 BEIJING SHENZHOU GRE
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
7.1.1.0/24 1239 Sprint
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
172.33.1.0/24 7018 AT&T WorldNet Services
192.0.10.0/24 9498 BHARTI BT INTERNET LTD.
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.153.136.0/21 721 DLA Systems Automation Center
192.172.0.0/19 721 DLA Systems Automation Center

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:18 /9:9 /10:15 /11:36 /12:127
/13:251 /14:464 /15:897 /16:9540 /17:4008 /18:6496
/19:13704 /20:15962 /21:14303 /22:18729 /23:19656 /24:118349
/25:791 /26:991 /27:480 /28:77 /29:10 /30:14
/31:0 /32:13

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6478 1118 1128 AT&T Worldnet Services
11492 1086 1095 Cable One
18566 994 1012 Covad Communications
9583 954 1112 Sify Limited
2386 904 1212 AT&T Data Communications Serv
23577 791 800 Korea Telecom (ATM-MPLS)
7018 789 1451 AT&T WorldNet Services
6197 780 1027 BellSouth Network Solutions,
7011 750 851 Citizens Utilities
9498 663 993 BHARTI BT INTERNET LTD.
4755 660 1265 Videsh Sanchar Nigam Ltd. Aut
4766 588 781 Korea Telecom (KIX)
19916 563 568 OLM LLC
4323 553 1321 Time Warner Telecom
17488 535 712 Hathway IP Over Cable Interne
6517 527 561 Yipes Communications, Inc.
15270 519 555 PaeTec.net -a division of Pae
4668 500 510 LG-EDS Systems Inc.
5668 480 616 CenturyTel Internet Holdings,
18101 478 563 Reliance Infocom Ltd Internet

Number of /24s announced per /8 block (Global)
----------------------------------------------

4:8 7:1 8:84 9:1 12:1811 15:19
16:3 17:3 18:11 20:37 24:936 25:1
32:50 33:3 38:332 40:61 41:180 44:2
47:3 52:4 55:3 56:3 57:25 58:425
59:391 60:319 61:985 62:876 63:1965 64:3111
65:2347 66:3298 67:747 68:627 69:1895 70:434
71:106 72:1341 73:2 74:564 75:265 76:72
77:265 78:18 80:842 81:813 82:673 83:384
84:480 85:854 86:341 87:449 88:283 89:885
90:7 91:408 97:6 98:4 116:246 117:45
121:219 122:571 123:122 124:834 125:948 128:291
129:214 130:139 131:362 132:54 133:9 134:195
135:38 136:181 137:81 138:149 139:73 140:480
141:173 142:374 143:243 144:297 145:43 146:325
147:120 148:404 149:145 150:113 151:160 152:92
153:126 154:4 155:254 156:153 157:212 158:157
159:158 160:105 161:92 162:222 163:180 164:466
165:416 166:294 167:287 168:504 169:120 170:406
171:18 172:1 189:62 190:710 192:5749 193:3896
194:3166 195:2250 196:929 198:3804 199:3268 200:4912
201:1093 202:7360 203:7556 204:3955 205:2025 206:2406
207:2833 208:2705 209:3501 210:2451 211:967 212:1307
213:1467 214:399 215:42 216:4008 217:1149 218:359
219:384 220:980 221:414 222:264

End of report

cscora at apnic

Jul 13, 2007, 11:03 AM

Post #13 of 149 (13056 views)
Permalink

Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.apnic.net.

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 14 Jul, 2007

Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/07/14/0400

Analysis Summary
----------------

BGP routing table entries examined: 225547
Prefixes after maximum aggregation: 118636
Deaggregation factor: 1.90
Unique aggregates announced to Internet: 109493
Total ASes present in the Internet Routing Table: 25683
Prefixes per ASN: 8.78
Origin-only ASes present in the Internet Routing Table: 22406
Origin ASes announcing only one prefix: 10886
Transit ASes present in the Internet Routing Table: 3277
Transit-only ASes present in the Internet Routing Table: 73
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 25
Max AS path prepend of ASN (16327) 21
Prefixes from unregistered ASNs in the Routing Table: 7
Unregistered ASNs in the Routing Table: 10
Prefixes from 32-bit ASNs in the Routing Table: 5
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1737103968
Equivalent to 103 /8s, 138 /16s and 26 /24s
Percentage of available address space announced: 46.9
Percentage of allocated address space announced: 62.1
Percentage of available address space allocated: 75.5
Total number of prefixes smaller than registry allocations: 118597

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 52824
Total APNIC prefixes after maximum aggregation: 20564
APNIC Deaggregation factor: 2.57
Prefixes being announced from the APNIC address blocks: 49705
Unique aggregates announced from the APNIC address blocks: 21795
APNIC Region origin ASes present in the Internet Routing Table: 3009
APNIC Prefixes per ASN: 16.52
APNIC Region origin ASes announcing only one prefix: 803
APNIC Region transit ASes present in the Internet Routing Table: 452
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 25
Number of APNIC addresses announced to Internet: 304296352
Equivalent to 18 /8s, 35 /16s and 49 /24s
Percentage of available APNIC address space announced: 75.4

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 116/6, 120/6, 124/7, 126/8, 202/7
210/7, 218/7, 220/7 and 222/8

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 107255
Total ARIN prefixes after maximum aggregation: 62281
ARIN Deaggregation factor: 1.72
Prefixes being announced from the ARIN address blocks: 78905
Unique aggregates announced from the ARIN address blocks: 31219
ARIN Region origin ASes present in the Internet Routing Table: 11677
ARIN Prefixes per ASN: 6.76
ARIN Region origin ASes announcing only one prefix: 4502
ARIN Region transit ASes present in the Internet Routing Table: 1060
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 339063104
Equivalent to 20 /8s, 53 /16s and 177 /24s
Percentage of available ARIN address space announced: 74.9

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6,
208/7 and 216/8

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 47361
Total RIPE prefixes after maximum aggregation: 30469
RIPE Deaggregation factor: 1.55
Prefixes being announced from the RIPE address blocks: 43732
Unique aggregates announced from the RIPE address blocks: 28884
RIPE Region origin ASes present in the Internet Routing Table: 9902
RIPE Prefixes per ASN: 4.42
RIPE Region origin ASes announcing only one prefix: 5255
RIPE Region transit ASes present in the Internet Routing Table: 1557
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 322506048
Equivalent to 19 /8s, 57 /16s and 13 /24s
Percentage of available RIPE address space announced: 80.1

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-44031
RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 92/7, 193/8, 194/7,
212/7 and 217/8

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 15508
Total LACNIC prefixes after maximum aggregation: 4289
LACNIC Deaggregation factor: 3.62
Prefixes being announced from the LACNIC address blocks: 13549
Unique aggregates announced from the LACNIC address blocks: 7650
LACNIC Region origin ASes present in the Internet Routing Table: 824
LACNIC Prefixes per ASN: 16.44
LACNIC Region origin ASes announcing only one prefix: 266
LACNIC Region transit ASes present in the Internet Routing Table: 140
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 40528384
Equivalent to 2 /8s, 106 /16s and 106 /24s
Percentage of available LACNIC address space announced: 60.4

LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 2591
Total AfriNIC prefixes after maximum aggregation: 1023
AfriNIC Deaggregation factor: 2.53
Prefixes being announced from the AfriNIC address blocks: 2102
Unique aggregates announced from the AfriNIC address blocks: 1281
AfriNIC Region origin ASes present in the Internet Routing Table: 197
AfriNIC Prefixes per ASN: 10.67
AfriNIC Region origin ASes announcing only one prefix: 60
AfriNIC Region transit ASes present in the Internet Routing Table: 35
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 6299392
Equivalent to 0 /8s, 96 /16s and 31 /24s
Percentage of available AfriNIC address space announced: 18.8

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4134 1355 10715 285 CHINANET-BACKBONE
4755 1277 382 71 Videsh Sanchar Nigam Ltd. Aut
9583 1115 80 375 Sify Limited
9498 965 533 68 BHARTI BT INTERNET LTD.
23577 793 34 687 Korea Telecom (ATM-MPLS)
4766 784 4929 314 Korea Telecom (KIX)
17488 721 63 54 Hathway IP Over Cable Interne
7545 689 149 111 TPG Internet Pty Ltd
18101 565 117 39 Reliance Infocom Ltd Internet
1221 544 1951 423 Telstra Pty Ltd
4812 521 903 92 China Telecom (Shanghai)
4668 512 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
9443 472 122 77 Primus Telecommunications
7474 411 218 270 SingTel Optus Pty Ltd
4802 410 105 150 Wantree Development
17974 371 130 13 PT TELEKOMUNIKASI INDONESIA
2907 362 1701 302 SINET Japan
4808 355 666 118 CNCGROUP IP network: China169
17557 352 45 173 Pakistan Telecom

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
7018 1464 6058 989 AT&T WorldNet Services
4323 1321 1021 375 Time Warner Telecom
2386 1209 616 751 AT&T Data Communications Serv
6478 1129 371 173 AT&T Worldnet Services
11492 1099 107 27 Cable One
6197 1028 717 509 BellSouth Network Solutions,
18566 1014 288 9 Covad Communications
174 965 6776 855 Cogent Communications
701 944 6565 721 UUNET Technologies, Inc.
7011 857 252 537 Citizens Utilities
1239 815 2741 581 Sprint
20115 800 734 428 Charter Communications
19262 759 2755 185 Verizon Global Networks
209 742 3859 577 Qwest
22773 738 1892 49 Cox Communications, Inc.
5668 616 169 21 CenturyTel Internet Holdings,
7029 612 488 79 Alltel Information Services,
855 575 254 73 Canadian Research Network
852 572 1093 363 Telus Advanced Communications
19916 568 49 51 OLM LLC

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
2119 513 1075 136 Telenor Internet Access
702 500 1921 401 UUNET - Commercial IP service
24863 358 56 37 LINKdotNET AS number
9116 316 168 25 Goldenlines main autonomous s
3301 311 1456 291 TeliaNet Sweden
3320 309 6034 256 Deutsche Telekom AG
6746 280 129 256 Dynamic Network Technologies,
5089 268 1658 53 NTL Group Limited
680 265 2045 256 DFN-IP service G-WiN
3215 255 2376 96 France Telecom Transpac
8220 251 444 243 COLT Telecommunications
8708 250 420 239 Romania Data Systems S.A.
8551 223 213 28 Bezeq International
3269 222 2775 74 TELECOM ITALIA
3352 218 1864 41 Ibernet, Internet Access Netw
9121 210 1441 24 TTnet Autonomous System
1257 194 1195 172 SWIPnet Swedish IP Network
3292 194 1379 174 TDC Tele Danmark
12479 190 578 6 Uni2 Autonomous System
3246 185 253 176 Song Networks

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8151 855 1910 211 UniNet S.A. de C.V.
11830 483 299 9 Instituto Costarricense de El
11172 373 116 63 Servicios Alestra S.A de C.V
16814 361 22 8 NSS, S.A.
22047 318 246 13 VTR PUNTO NET S.A.
7303 305 148 35 Telecom Argentina Stet-France
6471 299 74 33 ENTEL CHILE S.A.
14117 279 19 15 Telefonica del Sur S.A.
11556 231 128 4 Cable-Wireless Panama
6147 226 174 26 Telefonica Del Peru
6503 208 172 85 AVANTEL, S.A.
10620 208 59 14 TVCABLE BOGOTA
23216 196 16 43 RAMtelecom Telecomunicaciones
10481 181 72 8 Prima S.A.
14522 177 28 7 SatNet S.A.
8163 176 11 9 METROTEL REDES S.A.
7738 156 506 23 Telecomunicacoes da Bahia S.A
20299 156 23 12 NEWCOM AMERICAS
21826 156 27 59 INTERCABLE
7910 155 11 30 ANDINET ON LINE

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
3741 277 867 221 The Internet Solution
8452 231 188 7 TEDATA
6713 142 135 11 Itissalat Al-MAGHRIB
2018 136 301 111 Tertiary Education Network
5536 124 8 10 Internet Egypt Network
33783 122 8 12 EEPAD TISP TELECOM & INTERNET
24835 86 48 6 RAYA Telecom - Egypt
2905 76 174 73 The Internetworking Company o
15475 76 84 4 Nile Online
2561 62 6 2 Egyptian Universities Network
15706 56 12 4 Sudatel Internet Exchange Aut
23889 51 16 15 MAURITIUS TELECOM
5713 46 294 36 Telkom SA Ltd
33774 44 29 24 AS Number for Telecom Algeria
16637 37 21 29 Johnnic e-Ventures
33776 35 2 6 Starcomms Nigeria Limited
8524 32 2 8 AUCEGYPT Autonomous System
12455 31 6 3 Jambonet Autonomous system
21280 29 4 4 Swift Global Kenya Ltd.Is an
10798 24 2 15 Standard Bank of South Africa

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4755 1277 1206 Videsh Sanchar Nigam Ltd. Aut
11492 1099 1072 Cable One
4134 1355 1070 CHINANET-BACKBONE
18566 1014 1005 Covad Communications
6478 1129 956 AT&T Worldnet Services
4323 1321 946 Time Warner Telecom
9498 965 897 BHARTI BT INTERNET LTD.
9583 1115 740 Sify Limited
22773 738 689 Cox Communications, Inc.
17488 721 667 Hathway IP Over Cable Interne
8151 855 644 UniNet S.A. de C.V.
5668 616 595 CenturyTel Internet Holdings,
7545 689 578 TPG Internet Pty Ltd
19262 759 574 Verizon Global Networks
7029 612 533 Alltel Information Services,
18101 565 526 Reliance Infocom Ltd Internet
6517 563 526 Yipes Communications, Inc.
6197 1028 519 BellSouth Network Solutions,
19916 568 517 OLM LLC
15270 555 517 PaeTec.net -a division of Pae

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
65332 PRIVATE 63.166.106.192/27 1803 SPRINT
43185 UNALLOCATED 77.95.208.0/21 12779 ITGATE.Net
38347 UNALLOCATED 116.212.160.0/21 9389 BEIJING SHENZHOU GRE
38347 UNALLOCATED 116.212.168.0/21 9389 BEIJING SHENZHOU GRE
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
65101 PRIVATE 203.127.145.0/24 9255 Singapore Telecom
22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
7.1.1.0/24 1239 Sprint
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
172.33.1.0/24 7018 AT&T WorldNet Services
192.0.10.0/24 9498 BHARTI BT INTERNET LTD.
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.153.136.0/21 721 DLA Systems Automation Center
192.172.0.0/19 721 DLA Systems Automation Center

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:18 /9:9 /10:15 /11:36 /12:129
/13:254 /14:468 /15:901 /16:9546 /17:4012 /18:6483
/19:13733 /20:15992 /21:14447 /22:18801 /23:19740 /24:118614
/25:771 /26:987 /27:479 /28:77 /29:8 /30:14
/31:0 /32:13

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6478 1119 1129 AT&T Worldnet Services
11492 1090 1099 Cable One
18566 996 1014 Covad Communications
9583 956 1115 Sify Limited
2386 902 1209 AT&T Data Communications Serv
7018 796 1464 AT&T WorldNet Services
23577 784 793 Korea Telecom (ATM-MPLS)
6197 781 1028 BellSouth Network Solutions,
7011 756 857 Citizens Utilities
4755 673 1277 Videsh Sanchar Nigam Ltd. Aut
9498 639 965 BHARTI BT INTERNET LTD.
4766 588 784 Korea Telecom (KIX)
19916 563 568 OLM LLC
4323 553 1321 Time Warner Telecom
17488 543 721 Hathway IP Over Cable Interne
6517 528 563 Yipes Communications, Inc.
15270 519 555 PaeTec.net -a division of Pae
4668 502 512 LG-EDS Systems Inc.
5668 482 616 CenturyTel Internet Holdings,
18101 479 565 Reliance Infocom Ltd Internet

Number of /24s announced per /8 block (Global)
----------------------------------------------

4:8 7:1 8:83 9:1 12:1803 15:19
16:3 17:3 18:11 20:37 24:938 25:1
32:50 33:3 38:334 40:60 41:208 44:2
47:3 52:4 55:3 56:3 57:25 58:430
59:378 60:333 61:986 62:872 63:1983 64:3120
65:2357 66:3301 67:742 68:625 69:1890 70:433
71:106 72:1345 73:2 74:572 75:269 76:72
77:280 78:19 80:827 81:817 82:668 83:383
84:487 85:869 86:341 87:455 88:287 89:906
90:7 91:413 97:6 98:4 116:239 117:49
121:230 122:576 123:128 124:846 125:942 128:288
129:222 130:140 131:360 132:54 133:9 134:195
135:38 136:186 137:80 138:149 139:72 140:495
141:173 142:373 143:233 144:297 145:45 146:324
147:120 148:401 149:144 150:113 151:160 152:90
153:127 154:2 155:254 156:153 157:213 158:159
159:162 160:105 161:93 162:219 163:179 164:461
165:408 166:294 167:292 168:506 169:120 170:409
171:20 172:1 189:61 190:741 192:5738 193:3916
194:3161 195:2240 196:964 198:3812 199:3272 200:4924
201:1097 202:7382 203:7579 204:3965 205:2007 206:2408
207:2834 208:2712 209:3504 210:2439 211:933 212:1302
213:1482 214:408 215:41 216:3988 217:1152 218:362
219:387 220:992 221:409 222:266

End of report

cscora at apnic

Jul 20, 2007, 11:03 AM

Post #14 of 149 (12954 views)
Permalink

Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.apnic.net.

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 21 Jul, 2007

Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/07/21/0400

Analysis Summary
----------------

BGP routing table entries examined: 226170
Prefixes after maximum aggregation: 118939
Deaggregation factor: 1.90
Unique aggregates announced to Internet: 109985
Total ASes present in the Internet Routing Table: 25742
Prefixes per ASN: 8.79
Origin-only ASes present in the Internet Routing Table: 22440
Origin ASes announcing only one prefix: 10932
Transit ASes present in the Internet Routing Table: 3302
Transit-only ASes present in the Internet Routing Table: 74
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 22
Max AS path prepend of ASN (35389) 16
Prefixes from unregistered ASNs in the Routing Table: 9
Unregistered ASNs in the Routing Table: 11
Prefixes from 32-bit ASNs in the Routing Table: 4
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1739111776
Equivalent to 103 /8s, 168 /16s and 189 /24s
Percentage of available address space announced: 46.9
Percentage of allocated address space announced: 62.2
Percentage of available address space allocated: 75.5
Total number of prefixes smaller than registry allocations: 119103

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 53054
Total APNIC prefixes after maximum aggregation: 20706
APNIC Deaggregation factor: 2.56
Prefixes being announced from the APNIC address blocks: 49994
Unique aggregates announced from the APNIC address blocks: 21984
APNIC Region origin ASes present in the Internet Routing Table: 3017
APNIC Prefixes per ASN: 16.57
APNIC Region origin ASes announcing only one prefix: 804
APNIC Region transit ASes present in the Internet Routing Table: 459
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 22
Number of APNIC addresses announced to Internet: 304990112
Equivalent to 18 /8s, 45 /16s and 199 /24s
Percentage of available APNIC address space announced: 75.5

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 116/6, 120/6, 124/7, 126/8, 202/7
210/7, 218/7, 220/7 and 222/8

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 107407
Total ARIN prefixes after maximum aggregation: 62361
ARIN Deaggregation factor: 1.72
Prefixes being announced from the ARIN address blocks: 79061
Unique aggregates announced from the ARIN address blocks: 31348
ARIN Region origin ASes present in the Internet Routing Table: 11687
ARIN Prefixes per ASN: 6.76
ARIN Region origin ASes announcing only one prefix: 4510
ARIN Region transit ASes present in the Internet Routing Table: 1070
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 339579648
Equivalent to 20 /8s, 61 /16s and 147 /24s
Percentage of available ARIN address space announced: 75.0

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6,
208/7 and 216/8

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 47527
Total RIPE prefixes after maximum aggregation: 30532
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 43887
Unique aggregates announced from the RIPE address blocks: 28978
RIPE Region origin ASes present in the Internet Routing Table: 9934
RIPE Prefixes per ASN: 4.42
RIPE Region origin ASes announcing only one prefix: 5287
RIPE Region transit ASes present in the Internet Routing Table: 1567
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 322707072
Equivalent to 19 /8s, 60 /16s and 30 /24s
Percentage of available RIPE address space announced: 80.1

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-44031
RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 92/7, 193/8, 194/7,
212/7 and 217/8

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 15587
Total LACNIC prefixes after maximum aggregation: 4302
LACNIC Deaggregation factor: 3.62
Prefixes being announced from the LACNIC address blocks: 13621
Unique aggregates announced from the LACNIC address blocks: 7720
LACNIC Region origin ASes present in the Internet Routing Table: 830
LACNIC Prefixes per ASN: 16.41
LACNIC Region origin ASes announcing only one prefix: 269
LACNIC Region transit ASes present in the Internet Routing Table: 137
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 40740352
Equivalent to 2 /8s, 109 /16s and 166 /24s
Percentage of available LACNIC address space announced: 60.7

LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 2587
Total AfriNIC prefixes after maximum aggregation: 1030
AfriNIC Deaggregation factor: 2.51
Prefixes being announced from the AfriNIC address blocks: 2111
Unique aggregates announced from the AfriNIC address blocks: 1274
AfriNIC Region origin ASes present in the Internet Routing Table: 199
AfriNIC Prefixes per ASN: 10.61
AfriNIC Region origin ASes announcing only one prefix: 62
AfriNIC Region transit ASes present in the Internet Routing Table: 34
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 6345472
Equivalent to 0 /8s, 96 /16s and 211 /24s
Percentage of available AfriNIC address space announced: 18.9

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4134 1362 10842 286 CHINANET-BACKBONE
4755 1278 382 71 Videsh Sanchar Nigam Ltd. Aut
9583 1117 80 401 Sify Limited
9498 977 533 70 BHARTI BT INTERNET LTD.
23577 796 34 691 Korea Telecom (ATM-MPLS)
4766 786 4929 314 Korea Telecom (KIX)
17488 727 47 56 Hathway IP Over Cable Interne
7545 692 150 112 TPG Internet Pty Ltd
18101 573 117 41 Reliance Infocom Ltd Internet
1221 546 1951 424 Telstra Pty Ltd
4812 527 913 95 China Telecom (Shanghai)
4668 512 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
9443 472 122 77 Primus Telecommunications
7474 412 218 270 SingTel Optus Pty Ltd
4802 411 105 151 Wantree Development
17974 373 130 13 PT TELEKOMUNIKASI INDONESIA
9829 362 258 14 BSNL National Internet Backbo
4808 360 669 120 CNCGROUP IP network: China169
17557 352 57 174 Pakistan Telecom

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
7018 1462 6074 988 AT&T WorldNet Services
4323 1321 1021 374 Time Warner Telecom
2386 1209 633 754 AT&T Data Communications Serv
6478 1113 316 162 AT&T Worldnet Services
11492 1102 107 24 Cable One
6197 1024 717 507 BellSouth Network Solutions,
18566 1015 288 9 Covad Communications
174 964 6778 854 Cogent Communications
701 947 6563 723 UUNET Technologies, Inc.
7011 893 256 542 Citizens Utilities
1239 812 2741 583 Sprint
20115 801 735 429 Charter Communications
19262 762 2759 187 Verizon Global Networks
209 761 3879 596 Qwest
22773 745 1893 50 Cox Communications, Inc.
5668 617 169 21 CenturyTel Internet Holdings,
7029 585 488 79 Alltel Information Services,
855 574 254 73 Canadian Research Network
852 572 1093 363 Telus Advanced Communications
6517 568 159 37 Yipes Communications, Inc.

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
2119 513 1075 136 Telenor Internet Access
702 503 1921 404 UUNET - Commercial IP service
24863 357 56 41 LINKdotNET AS number
9116 317 168 25 Goldenlines main autonomous s
3301 312 1456 292 TeliaNet Sweden
3320 309 6034 256 Deutsche Telekom AG
6746 282 129 258 Dynamic Network Technologies,
5089 268 1658 53 NTL Group Limited
680 265 2045 256 DFN-IP service G-WiN
8220 257 445 241 COLT Telecommunications
3215 255 2376 96 France Telecom Transpac
8708 250 420 239 Romania Data Systems S.A.
8551 223 213 28 Bezeq International
3269 222 2775 74 TELECOM ITALIA
3352 220 1864 41 Ibernet, Internet Access Netw
9121 210 1441 24 TTnet Autonomous System
1257 194 1195 172 SWIPnet Swedish IP Network
3292 194 1379 174 TDC Tele Danmark
12479 190 578 6 Uni2 Autonomous System
3246 185 253 176 Song Networks

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8151 862 1926 207 UniNet S.A. de C.V.
11830 483 299 9 Instituto Costarricense de El
11172 375 116 63 Servicios Alestra S.A de C.V
16814 361 22 8 NSS, S.A.
22047 318 246 13 VTR PUNTO NET S.A.
6471 307 74 33 ENTEL CHILE S.A.
7303 305 148 34 Telecom Argentina Stet-France
14117 279 19 15 Telefonica del Sur S.A.
11556 231 128 4 Cable-Wireless Panama
6147 225 174 26 Telefonica Del Peru
10620 214 60 18 TVCABLE BOGOTA
6503 208 172 85 AVANTEL, S.A.
23216 196 16 43 RAMtelecom Telecomunicaciones
10481 181 72 8 Prima S.A.
14522 177 28 7 SatNet S.A.
8163 176 11 9 METROTEL REDES S.A.
7738 158 506 23 Telecomunicacoes da Bahia S.A
20299 157 23 13 NEWCOM AMERICAS
21826 157 27 60 INTERCABLE
19169 156 10 22 Telconet

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
3741 281 867 222 The Internet Solution
8452 226 188 7 TEDATA
6713 142 135 11 Itissalat Al-MAGHRIB
2018 138 301 115 Tertiary Education Network
5536 124 8 10 Internet Egypt Network
33783 121 8 11 EEPAD TISP TELECOM & INTERNET
24835 86 48 6 RAYA Telecom - Egypt
2905 76 174 73 The Internetworking Company o
15475 75 84 4 Nile Online
2561 62 6 2 Egyptian Universities Network
15706 56 12 4 Sudatel Internet Exchange Aut
23889 52 24 15 MAURITIUS TELECOM
5713 46 294 36 Telkom SA Ltd
33774 45 29 24 AS Number for Telecom Algeria
16637 37 21 29 Johnnic e-Ventures
33776 35 2 6 Starcomms Nigeria Limited
8524 32 2 8 AUCEGYPT Autonomous System
12455 29 6 3 Jambonet Autonomous system
21280 29 4 4 Swift Global Kenya Ltd.Is an
10798 24 2 15 Standard Bank of South Africa

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4755 1278 1207 Videsh Sanchar Nigam Ltd. Aut
11492 1102 1078 Cable One
4134 1362 1076 CHINANET-BACKBONE
18566 1015 1006 Covad Communications
6478 1113 951 AT&T Worldnet Services
4323 1321 947 Time Warner Telecom
9498 977 907 BHARTI BT INTERNET LTD.
9583 1117 716 Sify Limited
22773 745 695 Cox Communications, Inc.
17488 727 671 Hathway IP Over Cable Interne
8151 862 655 UniNet S.A. de C.V.
5668 617 596 CenturyTel Internet Holdings,
7545 692 580 TPG Internet Pty Ltd
19262 762 575 Verizon Global Networks
18101 573 532 Reliance Infocom Ltd Internet
6517 568 531 Yipes Communications, Inc.
15270 557 520 PaeTec.net -a division of Pae
6197 1024 517 BellSouth Network Solutions,
19916 568 517 OLM LLC
7029 585 506 Alltel Information Services,

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
65000 PRIVATE 41.204.180.0/24 36866 Jamii Telecommunicat
65332 PRIVATE 63.166.106.192/27 1803 SPRINT
43185 UNALLOCATED 77.95.208.0/21 12779 ITGATE.Net
38347 UNALLOCATED 116.212.160.0/21 9389 BEIJING SHENZHOU GRE
38347 UNALLOCATED 116.212.168.0/21 9389 BEIJING SHENZHOU GRE
39094 UNALLOCATED 195.66.64.0/24 12578 LATTELEKOM-APOLLO
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
64516 PRIVATE 209.43.37.0/24 7332 IQuest Internet
22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
7.1.1.0/24 1239 Sprint
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
172.33.1.0/24 7018 AT&T WorldNet Services
192.0.10.0/24 9498 BHARTI BT INTERNET LTD.
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.153.136.0/21 721 DLA Systems Automation Center
192.172.0.0/19 721 DLA Systems Automation Center

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:18 /9:9 /10:15 /11:36 /12:129
/13:254 /14:468 /15:901 /16:9560 /17:4017 /18:6508
/19:13759 /20:16034 /21:14502 /22:18893 /23:19823 /24:118894
/25:777 /26:1004 /27:486 /28:70 /29:5 /30:0
/31:0 /32:8

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6478 1112 1113 AT&T Worldnet Services
11492 1093 1102 Cable One
18566 997 1015 Covad Communications
9583 959 1117 Sify Limited
2386 901 1209 AT&T Data Communications Serv
7018 796 1462 AT&T WorldNet Services
7011 791 893 Citizens Utilities
23577 787 796 Korea Telecom (ATM-MPLS)
6197 778 1024 BellSouth Network Solutions,
4755 675 1278 Videsh Sanchar Nigam Ltd. Aut
9498 651 977 BHARTI BT INTERNET LTD.
4766 590 786 Korea Telecom (KIX)
19916 563 568 OLM LLC
4323 554 1321 Time Warner Telecom
17488 550 727 Hathway IP Over Cable Interne
6517 533 568 Yipes Communications, Inc.
15270 522 557 PaeTec.net -a division of Pae
4668 502 512 LG-EDS Systems Inc.
18101 485 573 Reliance Infocom Ltd Internet
5668 483 617 CenturyTel Internet Holdings,

Number of /24s announced per /8 block (Global)
----------------------------------------------

4:8 7:1 8:83 9:1 12:1802 15:19
16:3 17:3 18:11 20:37 24:937 25:1
32:50 33:3 38:335 40:60 41:214 44:2
47:4 52:4 55:3 56:3 57:25 58:474
59:381 60:335 61:991 62:882 63:1985 64:3142
65:2365 66:3300 67:744 68:626 69:1913 70:435
71:101 72:1353 73:2 74:575 75:253 76:80
77:285 78:19 80:824 81:816 82:666 83:375
84:540 85:860 86:342 87:457 88:288 89:927
90:8 91:416 97:6 98:3 116:247 117:62
121:240 122:580 123:129 124:880 125:949 128:286
129:223 130:140 131:360 132:54 133:9 134:195
135:38 136:178 137:81 138:156 139:72 140:494
141:173 142:373 143:235 144:296 145:45 146:324
147:119 148:401 149:142 150:113 151:161 152:90
153:126 154:2 155:256 156:156 157:213 158:158
159:164 160:103 161:93 162:213 163:180 164:461
165:400 166:287 167:290 168:507 169:120 170:412
171:23 172:1 189:63 190:749 192:5738 193:3927
194:3163 195:2240 196:959 198:3789 199:3270 200:4931
201:1107 202:7398 203:7550 204:3963 205:2015 206:2414
207:2823 208:2718 209:3486 210:2430 211:969 212:1299
213:1479 214:414 215:41 216:3992 217:1160 218:360
219:384 220:1002 221:408 222:265

End of report

cscora at apnic

Jul 27, 2007, 11:04 AM

Post #15 of 149 (12865 views)
Permalink

Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.apnic.net.

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 28 Jul, 2007

Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/07/28/0400

Analysis Summary
----------------

BGP routing table entries examined: 226532
Prefixes after maximum aggregation: 119080
Deaggregation factor: 1.90
Unique aggregates announced to Internet: 110145
Total ASes present in the Internet Routing Table: 25797
Prefixes per ASN: 8.78
Origin-only ASes present in the Internet Routing Table: 22498
Origin ASes announcing only one prefix: 10979
Transit ASes present in the Internet Routing Table: 3299
Transit-only ASes present in the Internet Routing Table: 75
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 20
Max AS path prepend of ASN (35389) 16
Prefixes from unregistered ASNs in the Routing Table: 43
Unregistered ASNs in the Routing Table: 42
Prefixes from 32-bit ASNs in the Routing Table: 5
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 13
Number of addresses announced to Internet: 1741416032
Equivalent to 103 /8s, 203 /16s and 230 /24s
Percentage of available address space announced: 47.0
Percentage of allocated address space announced: 62.3
Percentage of available address space allocated: 75.5
Total number of prefixes smaller than registry allocations: 119302

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 53152
Total APNIC prefixes after maximum aggregation: 20688
APNIC Deaggregation factor: 2.57
Prefixes being announced from the APNIC address blocks: 50093
Unique aggregates announced from the APNIC address blocks: 21971
APNIC Region origin ASes present in the Internet Routing Table: 3018
APNIC Prefixes per ASN: 16.60
APNIC Region origin ASes announcing only one prefix: 810
APNIC Region transit ASes present in the Internet Routing Table: 456
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 305578144
Equivalent to 18 /8s, 54 /16s and 192 /24s
Percentage of available APNIC address space announced: 75.7

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 116/6, 120/6, 124/7, 126/8, 202/7
210/7, 218/7, 220/7 and 222/8

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 107556
Total ARIN prefixes after maximum aggregation: 62458
ARIN Deaggregation factor: 1.72
Prefixes being announced from the ARIN address blocks: 79143
Unique aggregates announced from the ARIN address blocks: 31408
ARIN Region origin ASes present in the Internet Routing Table: 11717
ARIN Prefixes per ASN: 6.75
ARIN Region origin ASes announcing only one prefix: 4536
ARIN Region transit ASes present in the Internet Routing Table: 1068
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 341064192
Equivalent to 20 /8s, 84 /16s and 58 /24s
Percentage of available ARIN address space announced: 75.3

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6,
208/7 and 216/8

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 47563
Total RIPE prefixes after maximum aggregation: 30571
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 43908
Unique aggregates announced from the RIPE address blocks: 28983
RIPE Region origin ASes present in the Internet Routing Table: 9954
RIPE Prefixes per ASN: 4.41
RIPE Region origin ASes announcing only one prefix: 5300
RIPE Region transit ASes present in the Internet Routing Table: 1562
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 322920832
Equivalent to 19 /8s, 63 /16s and 97 /24s
Percentage of available RIPE address space announced: 80.2

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-44031
RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 92/7, 193/8, 194/7,
212/7 and 217/8

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 15674
Total LACNIC prefixes after maximum aggregation: 4318
LACNIC Deaggregation factor: 3.63
Prefixes being announced from the LACNIC address blocks: 13722
Unique aggregates announced from the LACNIC address blocks: 7765
LACNIC Region origin ASes present in the Internet Routing Table: 834
LACNIC Prefixes per ASN: 16.45
LACNIC Region origin ASes announcing only one prefix: 272
LACNIC Region transit ASes present in the Internet Routing Table: 140
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 40924928
Equivalent to 2 /8s, 112 /16s and 119 /24s
Percentage of available LACNIC address space announced: 61.0

LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 2578
Total AfriNIC prefixes after maximum aggregation: 1035
AfriNIC Deaggregation factor: 2.49
Prefixes being announced from the AfriNIC address blocks: 2119
Unique aggregates announced from the AfriNIC address blocks: 1283
AfriNIC Region origin ASes present in the Internet Routing Table: 198
AfriNIC Prefixes per ASN: 10.70
AfriNIC Region origin ASes announcing only one prefix: 61
AfriNIC Region transit ASes present in the Internet Routing Table: 35
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 6368000
Equivalent to 0 /8s, 97 /16s and 43 /24s
Percentage of available AfriNIC address space announced: 19.0

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4134 1363 10954 288 CHINANET-BACKBONE
4755 1302 382 71 Videsh Sanchar Nigam Ltd. Aut
9583 1122 80 400 Sify Limited
9498 1001 533 70 BHARTI BT INTERNET LTD.
4766 793 4930 316 Korea Telecom (KIX)
23577 788 34 685 Korea Telecom (ATM-MPLS)
17488 734 48 58 Hathway IP Over Cable Interne
7545 700 150 114 TPG Internet Pty Ltd
18101 578 117 41 Reliance Infocom Ltd Internet
1221 546 1951 424 Telstra Pty Ltd
4812 528 913 95 China Telecom (Shanghai)
4668 512 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
9443 471 122 77 Primus Telecommunications
7474 411 218 265 SingTel Optus Pty Ltd
4802 410 105 150 Wantree Development
4808 376 670 127 CNCGROUP IP network: China169
9829 362 258 14 BSNL National Internet Backbo
17974 362 130 13 PT TELEKOMUNIKASI INDONESIA
4837 352 4944 164 chinanet IDC center beijing n

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
7018 1466 6073 992 AT&T WorldNet Services
4323 1322 1021 374 Time Warner Telecom
2386 1215 633 754 AT&T Data Communications Serv
6478 1119 319 133 AT&T Worldnet Services
11492 1107 108 20 Cable One
6197 1025 717 508 BellSouth Network Solutions,
18566 1016 288 9 Covad Communications
174 966 6778 853 Cogent Communications
701 939 6562 716 UUNET Technologies, Inc.
7011 901 258 545 Citizens Utilities
1239 810 2741 582 Sprint
20115 803 737 431 Charter Communications
19262 765 2761 189 Verizon Global Networks
22773 747 2148 49 Cox Communications, Inc.
209 745 3878 600 Qwest
5668 619 169 21 CenturyTel Internet Holdings,
855 575 254 73 Canadian Research Network
852 572 1093 363 Telus Advanced Communications
6517 569 159 36 Yipes Communications, Inc.
7029 568 488 79 Alltel Information Services,

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
2119 515 1075 138 Telenor Internet Access
702 503 1922 404 UUNET - Commercial IP service
24863 361 56 41 LINKdotNET AS number
9116 321 168 25 Goldenlines main autonomous s
3301 312 1456 292 TeliaNet Sweden
3320 309 6034 256 Deutsche Telekom AG
6746 285 129 261 Dynamic Network Technologies,
5089 268 1658 53 NTL Group Limited
680 264 2044 255 DFN-IP service G-WiN
8220 259 445 242 COLT Telecommunications
3215 255 2376 96 France Telecom Transpac
8708 251 420 240 Romania Data Systems S.A.
3352 224 1864 41 Ibernet, Internet Access Netw
3269 221 2775 73 TELECOM ITALIA
8551 215 212 27 Bezeq International
9121 210 1441 24 TTnet Autonomous System
3292 194 1379 174 TDC Tele Danmark
1257 193 1195 171 SWIPnet Swedish IP Network
12479 190 578 6 Uni2 Autonomous System
3246 185 253 176 Song Networks

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8151 894 1958 209 UniNet S.A. de C.V.
11830 483 299 9 Instituto Costarricense de El
11172 373 116 63 Servicios Alestra S.A de C.V
16814 361 22 8 NSS, S.A.
22047 318 246 13 VTR PUNTO NET S.A.
6471 312 75 33 ENTEL CHILE S.A.
7303 312 149 39 Telecom Argentina Stet-France
14117 279 19 15 Telefonica del Sur S.A.
11556 231 128 4 Cable-Wireless Panama
6147 225 172 27 Telefonica Del Peru
10620 213 60 18 TVCABLE BOGOTA
6503 206 172 85 AVANTEL, S.A.
23216 196 16 43 RAMtelecom Telecomunicaciones
10481 181 72 8 Prima S.A.
14522 177 28 7 SatNet S.A.
8163 176 11 9 METROTEL REDES S.A.
7738 159 506 23 Telecomunicacoes da Bahia S.A
7910 157 11 29 ANDINET ON LINE
20299 157 23 13 NEWCOM AMERICAS
21826 157 27 60 INTERCABLE

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
3741 282 867 223 The Internet Solution
8452 226 188 7 TEDATA
6713 142 135 11 Itissalat Al-MAGHRIB
2018 138 301 115 Tertiary Education Network
5536 124 8 10 Internet Egypt Network
33783 124 8 12 EEPAD TISP TELECOM & INTERNET
2905 75 174 72 The Internetworking Company o
15475 75 84 4 Nile Online
24835 66 48 6 RAYA Telecom - Egypt
2561 62 6 2 Egyptian Universities Network
15706 56 12 4 Sudatel Internet Exchange Aut
23889 52 24 15 MAURITIUS TELECOM
5713 46 294 36 Telkom SA Ltd
33774 45 29 24 AS Number for Telecom Algeria
16637 37 21 29 Johnnic e-Ventures
33776 35 2 6 Starcomms Nigeria Limited
8524 32 2 8 AUCEGYPT Autonomous System
12455 32 6 3 Jambonet Autonomous system
21280 29 4 4 Swift Global Kenya Ltd.Is an
10798 24 2 15 Standard Bank of South Africa

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4755 1302 1231 Videsh Sanchar Nigam Ltd. Aut
11492 1107 1087 Cable One
4134 1363 1075 CHINANET-BACKBONE
18566 1016 1007 Covad Communications
6478 1119 986 AT&T Worldnet Services
4323 1322 948 Time Warner Telecom
9498 1001 931 BHARTI BT INTERNET LTD.
9583 1122 722 Sify Limited
22773 747 698 Cox Communications, Inc.
8151 894 685 UniNet S.A. de C.V.
17488 734 676 Hathway IP Over Cable Interne
5668 619 598 CenturyTel Internet Holdings,
7545 700 586 TPG Internet Pty Ltd
19262 765 576 Verizon Global Networks
18101 578 537 Reliance Infocom Ltd Internet
6517 569 533 Yipes Communications, Inc.
15270 562 525 PaeTec.net -a division of Pae
6197 1025 517 BellSouth Network Solutions,
19916 568 517 OLM LLC
855 575 502 Canadian Research Network

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
65000 PRIVATE 41.204.180.0/24 36866 Jamii Telecommunicat
43346 UNALLOCATED 77.87.168.0/21 28906 CJSC "TransTelecom-N
43087 UNALLOCATED 77.95.88.0/21 12389 JSC Rostelecom
43185 UNALLOCATED 77.95.208.0/21 12779 ITGATE.Net
42864 UNALLOCATED 77.242.144.0/20 8928 Interoute Telecommun
43082 UNALLOCATED 77.246.160.0/20 174 Cogent Communication
43345 UNALLOCATED 78.40.40.0/24 702 UUNET - Commercial I
43328 UNALLOCATED 78.40.112.0/21 21448 Crosswired Mancheste
43391 UNALLOCATED 78.40.224.0/21 9121 TTnet Autonomous Sys
43203 UNALLOCATED 78.108.152.0/22 2819 KPNQwest Czechia AS
43314 UNALLOCATED 78.109.128.0/20 21127 JSC Zap-Sib TransTel
39389 UNALLOCATED 80.67.165.0/24 20766 The main Autonomous
43157 UNALLOCATED 83.143.224.0/21 174 Cogent Communication
24982 UNALLOCATED 85.112.68.0/24 39010 TerraNet sal
43378 UNALLOCATED 89.45.176.0/20 5606 KPNQwest Romania AS
43286 UNALLOCATED 91.149.120.0/22 3216 Teleross, Moscow, Ru
42976 UNALLOCATED 91.194.4.0/24 8551 Bezeq International
43103 UNALLOCATED 91.194.72.0/23 21219 Datacom Autonomous S
43290 UNALLOCATED 91.194.198.0/23 20751 max4eu.net InterNet-
43376 UNALLOCATED 91.194.234.0/23 2914 Verio, Inc.
43067 UNALLOCATED 91.196.80.0/22 31305 Kriviy Rih City netw
43103 UNALLOCATED 91.196.92.0/22 21219 Datacom Autonomous S
43319 UNALLOCATED 91.197.8.0/22 12452 VSTN AS
43359 UNALLOCATED 91.197.36.0/22 25441 Irish Broadband Inte
43164 UNALLOCATED 91.198.0.0/24 16016 VOLJATEL Autonomous
43194 UNALLOCATED 91.198.5.0/24 5486 Euronet Digital Comm
43187 UNALLOCATED 91.198.7.0/24 3340 DataNet Telecommunic
43212 UNALLOCATED 91.198.19.0/24 21294 SC Idilis S.A.
38347 UNALLOCATED 116.212.160.0/21 9389 BEIJING SHENZHOU GRE
38347 UNALLOCATED 116.212.168.0/21 9389 BEIJING SHENZHOU GRE
42512 UNALLOCATED 193.110.76.0/22 13121 Navigator Online ISP
43028 UNALLOCATED 193.200.201.0/24 21016 LVRTC Autonomous Sys
43034 UNALLOCATED 193.200.207.0/24 9119 Softnet
35396 UNALLOCATED 193.247.0.0/19 6830 UPC Distribution Ser
43122 UNALLOCATED 194.110.128.0/24 8220 COLT Telecommunicati
42752 UNALLOCATED 194.110.150.0/24 9121 TTnet Autonomous Sys
42795 UNALLOCATED 194.110.245.0/24 174 Cogent Communication
41431 UNALLOCATED 194.246.85.0/24 12843 TelemaxX Autonomous
39094 UNALLOCATED 195.66.64.0/24 12578 LATTELEKOM-APOLLO
65001 PRIVATE 195.250.120.0/23 8534 InfoSky - Informatik
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
64516 PRIVATE 209.43.37.0/24 7332 IQuest Internet
22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
7.1.1.0/24 1239 Sprint
95.192.0.0/16 12654 RIPE NCC RIS Project
95.255.248.0/21 12654 RIPE NCC RIS Project
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
172.33.1.0/24 7018 AT&T WorldNet Services
192.0.10.0/24 9498 BHARTI BT INTERNET LTD.
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.153.136.0/21 721 DLA Systems Automation Center
192.172.0.0/19 721 DLA Systems Automation Center

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:18 /9:9 /10:15 /11:36 /12:130
/13:255 /14:468 /15:901 /16:9563 /17:4026 /18:6518
/19:13795 /20:16064 /21:14569 /22:18919 /23:19865 /24:119060
/25:749 /26:1004 /27:484 /28:71 /29:5 /30:0
/31:0 /32:8

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6478 1118 1119 AT&T Worldnet Services
11492 1098 1107 Cable One
18566 998 1016 Covad Communications
9583 964 1122 Sify Limited
2386 908 1215 AT&T Data Communications Serv
7018 800 1466 AT&T WorldNet Services
7011 799 901 Citizens Utilities
6197 779 1025 BellSouth Network Solutions,
23577 779 788 Korea Telecom (ATM-MPLS)
4755 697 1302 Videsh Sanchar Nigam Ltd. Aut
9498 671 1001 BHARTI BT INTERNET LTD.
4766 593 793 Korea Telecom (KIX)
19916 563 568 OLM LLC
17488 557 734 Hathway IP Over Cable Interne
4323 555 1322 Time Warner Telecom
6517 535 569 Yipes Communications, Inc.
15270 527 562 PaeTec.net -a division of Pae
4668 502 512 LG-EDS Systems Inc.
18101 490 578 Reliance Infocom Ltd Internet
5668 484 619 CenturyTel Internet Holdings,

Number of /24s announced per /8 block (Global)
----------------------------------------------

4:8 7:1 8:85 9:1 12:1808 15:19
16:3 17:3 18:12 20:37 24:926 25:1
32:50 33:3 38:337 40:60 41:221 44:2
47:4 52:4 55:3 56:3 57:25 58:468
59:381 60:341 61:989 62:886 63:1983 64:3146
65:2370 66:3309 67:745 68:625 69:1921 70:441
71:100 72:1362 73:2 74:582 75:254 76:81
77:260 78:23 80:823 81:824 82:660 83:374
84:537 85:856 86:344 87:463 88:285 89:947
90:12 91:437 97:6 98:3 116:256 117:82
121:246 122:585 123:132 124:884 125:962 128:291
129:212 130:138 131:363 132:54 133:9 134:193
135:38 136:182 137:81 138:156 139:71 140:494
141:172 142:377 143:255 144:289 145:45 146:325
147:121 148:399 149:140 150:112 151:160 152:85
153:123 154:2 155:257 156:157 157:212 158:158
159:171 160:103 161:94 162:209 163:182 164:470
165:396 166:286 167:290 168:507 169:120 170:412
171:23 172:1 189:64 190:759 192:5743 193:3925
194:3171 195:2236 196:952 198:3797 199:3279 200:4973
201:1111 202:7387 203:7566 204:3943 205:2007 206:2415
207:2820 208:2735 209:3485 210:2418 211:964 212:1268
213:1483 214:417 215:40 216:3967 217:1160 218:358
219:387 220:1014 221:412 222:266

End of report

cscora at apnic

Aug 3, 2007, 11:03 AM

Post #16 of 149 (12853 views)
Permalink

Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.apnic.net.

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 04 Aug, 2007

Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/08/04/0400

Analysis Summary
----------------

BGP routing table entries examined: 227298
Prefixes after maximum aggregation: 119323
Deaggregation factor: 1.90
Unique aggregates announced to Internet: 110484
Total ASes present in the Internet Routing Table: 25850
Prefixes per ASN: 8.79
Origin-only ASes present in the Internet Routing Table: 22525
Origin ASes announcing only one prefix: 10999
Transit ASes present in the Internet Routing Table: 3325
Transit-only ASes present in the Internet Routing Table: 78
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 21
Max AS path prepend of ASN (35389) 16
Prefixes from unregistered ASNs in the Routing Table: 8
Unregistered ASNs in the Routing Table: 4
Prefixes from 32-bit ASNs in the Routing Table: 5
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1743111648
Equivalent to 103 /8s, 229 /16s and 197 /24s
Percentage of available address space announced: 47.0
Percentage of allocated address space announced: 61.6
Percentage of available address space allocated: 76.4
Total number of prefixes smaller than registry allocations: 119891

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 53242
Total APNIC prefixes after maximum aggregation: 20681
APNIC Deaggregation factor: 2.57
Prefixes being announced from the APNIC address blocks: 50181
Unique aggregates announced from the APNIC address blocks: 22059
APNIC Region origin ASes present in the Internet Routing Table: 3024
APNIC Prefixes per ASN: 16.59
APNIC Region origin ASes announcing only one prefix: 814
APNIC Region transit ASes present in the Internet Routing Table: 461
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 306088608
Equivalent to 18 /8s, 62 /16s and 138 /24s
Percentage of available APNIC address space announced: 75.8

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 116/6, 120/6, 124/7, 126/8, 202/7
210/7, 218/7, 220/7 and 222/8

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 107633
Total ARIN prefixes after maximum aggregation: 62571
ARIN Deaggregation factor: 1.72
Prefixes being announced from the ARIN address blocks: 79239
Unique aggregates announced from the ARIN address blocks: 31555
ARIN Region origin ASes present in the Internet Routing Table: 11715
ARIN Prefixes per ASN: 6.76
ARIN Region origin ASes announcing only one prefix: 4524
ARIN Region transit ASes present in the Internet Routing Table: 1072
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 341376000
Equivalent to 20 /8s, 88 /16s and 252 /24s
Percentage of available ARIN address space announced: 75.4

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6,
208/7 and 216/8

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 47791
Total RIPE prefixes after maximum aggregation: 30676
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 44142
Unique aggregates announced from the RIPE address blocks: 29072
RIPE Region origin ASes present in the Internet Routing Table: 9997
RIPE Prefixes per ASN: 4.42
RIPE Region origin ASes announcing only one prefix: 5327
RIPE Region transit ASes present in the Internet Routing Table: 1581
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 323531264
Equivalent to 19 /8s, 72 /16s and 178 /24s
Percentage of available RIPE address space announced: 74.2

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-44031
RIPE Address Blocks 62/8, 77/8, 78/7, 80/4, 193/8, 194/7, 212/7
and 217/8

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 16002
Total LACNIC prefixes after maximum aggregation: 4357
LACNIC Deaggregation factor: 3.67
Prefixes being announced from the LACNIC address blocks: 14062
Unique aggregates announced from the LACNIC address blocks: 7787
LACNIC Region origin ASes present in the Internet Routing Table: 835
LACNIC Prefixes per ASN: 16.84
LACNIC Region origin ASes announcing only one prefix: 271
LACNIC Region transit ASes present in the Internet Routing Table: 140
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 41377024
Equivalent to 2 /8s, 119 /16s and 93 /24s
Percentage of available LACNIC address space announced: 61.7

LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 2619
Total AfriNIC prefixes after maximum aggregation: 1028
AfriNIC Deaggregation factor: 2.55
Prefixes being announced from the AfriNIC address blocks: 2164
Unique aggregates announced from the AfriNIC address blocks: 1293
AfriNIC Region origin ASes present in the Internet Routing Table: 200
AfriNIC Prefixes per ASN: 10.82
AfriNIC Region origin ASes announcing only one prefix: 63
AfriNIC Region transit ASes present in the Internet Routing Table: 31
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 6375680
Equivalent to 0 /8s, 97 /16s and 73 /24s
Percentage of available AfriNIC address space announced: 19.0

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4134 1369 11014 286 CHINANET-BACKBONE
4755 1311 382 71 Videsh Sanchar Nigam Ltd. Aut
9583 1122 80 399 Sify Limited
9498 1008 533 69 BHARTI BT INTERNET LTD.
4766 796 4930 316 Korea Telecom (KIX)
23577 788 34 685 Korea Telecom (ATM-MPLS)
17488 738 48 58 Hathway IP Over Cable Interne
7545 696 146 117 TPG Internet Pty Ltd
18101 578 117 41 Reliance Infocom Ltd Internet
1221 549 1951 427 Telstra Pty Ltd
4812 530 915 96 China Telecom (Shanghai)
4668 512 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
4808 479 768 110 CNCGROUP IP network: China169
9443 471 122 77 Primus Telecommunications
7474 415 218 269 SingTel Optus Pty Ltd
4802 414 108 153 Wantree Development
17974 363 130 13 PT TELEKOMUNIKASI INDONESIA
9829 362 258 14 BSNL National Internet Backbo
4837 352 4944 164 chinanet IDC center beijing n

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
7018 1475 6075 999 AT&T WorldNet Services
4323 1326 1020 370 Time Warner Telecom
2386 1192 614 739 AT&T Data Communications Serv
11492 1115 109 15 Cable One
6478 1104 319 206 AT&T Worldnet Services
6197 1028 717 509 BellSouth Network Solutions,
18566 1017 288 9 Covad Communications
174 965 6776 855 Cogent Communications
701 939 6546 716 UUNET Technologies, Inc.
7011 899 258 545 Citizens Utilities
1239 814 2742 580 Sprint
20115 806 740 431 Charter Communications
19262 768 2765 187 Verizon Global Networks
22773 750 2148 49 Cox Communications, Inc.
209 748 3871 593 Qwest
5668 627 171 23 CenturyTel Internet Holdings,
6517 576 161 37 Yipes Communications, Inc.
855 575 254 73 Canadian Research Network
852 573 1093 364 Telus Advanced Communications
6198 569 613 259 BellSouth Network Solutions,

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
2119 515 1075 138 Telenor Internet Access
702 503 1922 404 UUNET - Commercial IP service
24863 361 56 41 LINKdotNET AS number
9116 323 168 26 Goldenlines main autonomous s
3320 313 6035 259 Deutsche Telekom AG
3301 312 1456 292 TeliaNet Sweden
6746 287 130 263 Dynamic Network Technologies,
5089 268 1658 53 NTL Group Limited
680 264 2044 255 DFN-IP service G-WiN
8220 260 445 243 COLT Telecommunications
3215 255 2376 96 France Telecom Transpac
8708 252 420 241 Romania Data Systems S.A.
3352 224 1864 41 Ibernet, Internet Access Netw
3269 221 2775 73 TELECOM ITALIA
8551 215 212 27 Bezeq International
9121 210 1441 24 TTnet Autonomous System
1257 194 1195 172 SWIPnet Swedish IP Network
3292 194 1379 174 TDC Tele Danmark
12479 192 578 6 Uni2 Autonomous System
3246 185 253 176 Song Networks

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8151 885 1957 212 UniNet S.A. de C.V.
11830 483 299 9 Instituto Costarricense de El
16814 426 26 9 NSS, S.A.
11172 377 116 63 Servicios Alestra S.A de C.V
14522 334 28 7 SatNet S.A.
7303 318 152 39 Telecom Argentina Stet-France
22047 318 246 13 VTR PUNTO NET S.A.
6471 312 75 31 ENTEL CHILE S.A.
14117 281 19 15 Telefonica del Sur S.A.
10481 261 104 9 Prima S.A.
11556 229 128 3 Cable-Wireless Panama
6147 226 174 26 Telefonica Del Peru
10620 217 61 19 TVCABLE BOGOTA
6503 203 172 85 AVANTEL, S.A.
23216 196 16 43 RAMtelecom Telecomunicaciones
8163 177 11 6 METROTEL REDES S.A.
20299 164 24 22 NEWCOM AMERICAS
7738 159 506 23 Telecomunicacoes da Bahia S.A
7910 159 11 28 ANDINET ON LINE
19169 157 10 23 Telconet

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
3741 282 867 223 The Internet Solution
8452 227 188 7 TEDATA
6713 142 135 11 Itissalat Al-MAGHRIB
2018 138 301 115 Tertiary Education Network
33783 126 8 11 EEPAD TISP TELECOM & INTERNET
5536 124 8 10 Internet Egypt Network
24835 89 48 6 RAYA Telecom - Egypt
15475 77 84 4 Nile Online
2905 75 174 72 The Internetworking Company o
2561 62 6 2 Egyptian Universities Network
15706 56 12 4 Sudatel Internet Exchange Aut
23889 52 24 15 MAURITIUS TELECOM
5713 46 294 36 Telkom SA Ltd
33774 46 29 24 AS Number for Telecom Algeria
33776 38 2 4 Starcomms Nigeria Limited
16637 37 21 29 Johnnic e-Ventures
8524 32 2 8 AUCEGYPT Autonomous System
12455 30 6 3 Jambonet Autonomous system
21280 29 4 4 Swift Global Kenya Ltd.Is an
10798 24 2 15 Standard Bank of South Africa

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4755 1311 1240 Videsh Sanchar Nigam Ltd. Aut
11492 1115 1100 Cable One
4134 1369 1083 CHINANET-BACKBONE
18566 1017 1008 Covad Communications
4323 1326 956 Time Warner Telecom
9498 1008 939 BHARTI BT INTERNET LTD.
6478 1104 898 AT&T Worldnet Services
9583 1122 723 Sify Limited
22773 750 701 Cox Communications, Inc.
17488 738 680 Hathway IP Over Cable Interne
8151 885 673 UniNet S.A. de C.V.
5668 627 604 CenturyTel Internet Holdings,
19262 768 581 Verizon Global Networks
7545 696 579 TPG Internet Pty Ltd
6517 576 539 Yipes Communications, Inc.
18101 578 537 Reliance Infocom Ltd Internet
15270 565 528 PaeTec.net -a division of Pae
6197 1028 519 BellSouth Network Solutions,
19916 568 517 OLM LLC
855 575 502 Canadian Research Network

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
64513 PRIVATE 63.171.234.0/26 1803 SPRINT
64513 PRIVATE 63.171.234.64/26 1803 SPRINT
64513 PRIVATE 63.171.234.128/26 1803 SPRINT
64513 PRIVATE 63.171.234.192/26 1803 SPRINT
38347 UNALLOCATED 116.212.160.0/21 9389 BEIJING SHENZHOU GRE
38347 UNALLOCATED 116.212.168.0/21 9389 BEIJING SHENZHOU GRE
65535 PRIVATE 193.203.218.0/23 38931 Traffic-Media
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
7.1.1.0/24 1239 Sprint
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
172.33.1.0/24 7018 AT&T WorldNet Services
192.0.10.0/24 9498 BHARTI BT INTERNET LTD.
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.153.136.0/21 721 DLA Systems Automation Center
192.172.0.0/19 721 DLA Systems Automation Center

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:18 /9:9 /10:15 /11:36 /12:130
/13:256 /14:468 /15:903 /16:9568 /17:4025 /18:6558
/19:13834 /20:16097 /21:14649 /22:18989 /23:19907 /24:119486
/25:765 /26:1011 /27:485 /28:76 /29:5 /30:0
/31:0 /32:8

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
11492 1106 1115 Cable One
6478 1103 1104 AT&T Worldnet Services
18566 999 1017 Covad Communications
9583 964 1122 Sify Limited
2386 886 1192 AT&T Data Communications Serv
7018 809 1475 AT&T WorldNet Services
7011 797 899 Citizens Utilities
6197 782 1028 BellSouth Network Solutions,
23577 779 788 Korea Telecom (ATM-MPLS)
4755 702 1311 Videsh Sanchar Nigam Ltd. Aut
9498 678 1008 BHARTI BT INTERNET LTD.
4766 595 796 Korea Telecom (KIX)
19916 563 568 OLM LLC
17488 561 738 Hathway IP Over Cable Interne
4323 558 1326 Time Warner Telecom
6517 541 576 Yipes Communications, Inc.
15270 530 565 PaeTec.net -a division of Pae
4668 502 512 LG-EDS Systems Inc.
5668 492 627 CenturyTel Internet Holdings,
18101 490 578 Reliance Infocom Ltd Internet

Number of /24s announced per /8 block (Global)
----------------------------------------------

4:8 7:1 8:84 9:1 12:1795 15:19
16:3 17:3 18:12 20:37 24:925 25:1
32:57 33:3 38:342 40:60 41:230 44:2
47:4 52:4 55:3 56:3 57:25 58:468
59:381 60:345 61:997 62:886 63:1991 64:3136
65:2349 66:3312 67:757 68:627 69:1929 70:446
71:103 72:1375 73:2 74:595 75:256 76:87
77:265 78:27 80:830 81:827 82:671 83:374
84:550 85:851 86:339 87:456 88:289 89:951
90:13 91:453 97:6 98:4 116:270 117:90
121:252 122:579 123:141 124:873 125:971 128:291
129:212 130:140 131:362 132:54 133:9 134:193
135:39 136:184 137:81 138:149 139:71 140:494
141:172 142:378 143:236 144:284 145:46 146:325
147:120 148:403 149:143 150:111 151:160 152:90
153:122 154:2 155:257 156:157 157:212 158:158
159:165 160:108 161:95 162:217 163:181 164:470
165:395 166:283 167:293 168:507 169:121 170:411
171:22 172:1 189:70 190:915 192:5756 193:3948
194:3170 195:2262 196:973 198:3802 199:3281 200:5041
201:1153 202:7384 203:7565 204:3942 205:1956 206:2417
207:2802 208:2740 209:3473 210:2418 211:966 212:1286
213:1460 214:414 215:40 216:3989 217:1164 218:353
219:384 220:1013 221:412 222:267

End of report

cscora at apnic

Aug 10, 2007, 11:03 AM

Post #17 of 149 (12899 views)
Permalink

Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.apnic.net.

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 11 Aug, 2007

Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/08/11/0400

Analysis Summary
----------------

BGP routing table entries examined: 227875
Prefixes after maximum aggregation: 119464
Deaggregation factor: 1.91
Unique aggregates announced to Internet: 110970
Total ASes present in the Internet Routing Table: 25926
Prefixes per ASN: 8.79
Origin-only ASes present in the Internet Routing Table: 22589
Origin ASes announcing only one prefix: 11046
Transit ASes present in the Internet Routing Table: 3337
Transit-only ASes present in the Internet Routing Table: 75
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 21
Max AS path prepend of ASN (35389) 16
Prefixes from unregistered ASNs in the Routing Table: 7
Unregistered ASNs in the Routing Table: 3
Prefixes from 32-bit ASNs in the Routing Table: 5
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1749388768
Equivalent to 104 /8s, 69 /16s and 141 /24s
Percentage of available address space announced: 47.2
Percentage of allocated address space announced: 61.8
Percentage of available address space allocated: 76.4
Total number of prefixes smaller than registry allocations: 120402

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 53191
Total APNIC prefixes after maximum aggregation: 20712
APNIC Deaggregation factor: 2.57
Prefixes being announced from the APNIC address blocks: 50139
Unique aggregates announced from the APNIC address blocks: 22150
APNIC Region origin ASes present in the Internet Routing Table: 3031
APNIC Prefixes per ASN: 16.54
APNIC Region origin ASes announcing only one prefix: 824
APNIC Region transit ASes present in the Internet Routing Table: 462
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 311122080
Equivalent to 18 /8s, 139 /16s and 88 /24s
Percentage of available APNIC address space announced: 77.1

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 116/6, 120/6, 124/7, 126/8, 202/7
210/7, 218/7, 220/7 and 222/8

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 107833
Total ARIN prefixes after maximum aggregation: 62588
ARIN Deaggregation factor: 1.72
Prefixes being announced from the ARIN address blocks: 79381
Unique aggregates announced from the ARIN address blocks: 31831
ARIN Region origin ASes present in the Internet Routing Table: 11735
ARIN Prefixes per ASN: 6.76
ARIN Region origin ASes announcing only one prefix: 4526
ARIN Region transit ASes present in the Internet Routing Table: 1069
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 341862144
Equivalent to 20 /8s, 96 /16s and 103 /24s
Percentage of available ARIN address space announced: 75.5

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6,
208/7 and 216/8

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 48019
Total RIPE prefixes after maximum aggregation: 30741
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 44367
Unique aggregates announced from the RIPE address blocks: 29166
RIPE Region origin ASes present in the Internet Routing Table: 10041
RIPE Prefixes per ASN: 4.42
RIPE Region origin ASes announcing only one prefix: 5357
RIPE Region transit ASes present in the Internet Routing Table: 1598
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 323784320
Equivalent to 19 /8s, 76 /16s and 142 /24s
Percentage of available RIPE address space announced: 74.2

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-44031
RIPE Address Blocks 62/8, 77/8, 78/7, 80/4, 193/8, 194/7, 212/7
and 217/8

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 16134
Total LACNIC prefixes after maximum aggregation: 4375
LACNIC Deaggregation factor: 3.69
Prefixes being announced from the LACNIC address blocks: 14185
Unique aggregates announced from the LACNIC address blocks: 7718
LACNIC Region origin ASes present in the Internet Routing Table: 842
LACNIC Prefixes per ASN: 16.85
LACNIC Region origin ASes announcing only one prefix: 274
LACNIC Region transit ASes present in the Internet Routing Table: 143
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 41738240
Equivalent to 2 /8s, 124 /16s and 224 /24s
Percentage of available LACNIC address space announced: 62.2

LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 2688
Total AfriNIC prefixes after maximum aggregation: 1038
AfriNIC Deaggregation factor: 2.59
Prefixes being announced from the AfriNIC address blocks: 2223
Unique aggregates announced from the AfriNIC address blocks: 1355
AfriNIC Region origin ASes present in the Internet Routing Table: 201
AfriNIC Prefixes per ASN: 11.06
AfriNIC Region origin ASes announcing only one prefix: 65
AfriNIC Region transit ASes present in the Internet Routing Table: 32
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 6319616
Equivalent to 0 /8s, 96 /16s and 110 /24s
Percentage of available AfriNIC address space announced: 18.8

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4134 1329 11126 287 CHINANET-BACKBONE
4755 1317 382 71 Videsh Sanchar Nigam Ltd. Aut
9583 1124 80 402 Sify Limited
9498 994 532 69 BHARTI BT INTERNET LTD.
4766 798 5440 316 Korea Telecom (KIX)
23577 788 34 684 Korea Telecom (ATM-MPLS)
17488 742 48 59 Hathway IP Over Cable Interne
7545 702 150 116 TPG Internet Pty Ltd
18101 581 117 39 Reliance Infocom Ltd Internet
1221 549 1951 427 Telstra Pty Ltd
4812 529 915 95 China Telecom (Shanghai)
4668 512 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
4808 478 768 109 CNCGROUP IP network: China169
9443 473 122 77 Primus Telecommunications
4802 419 112 152 Wantree Development
7474 399 217 272 SingTel Optus Pty Ltd
17974 362 130 13 PT TELEKOMUNIKASI INDONESIA
4837 352 4944 164 chinanet IDC center beijing n
9829 352 258 14 BSNL National Internet Backbo

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
7018 1473 6075 989 AT&T WorldNet Services
4323 1328 1022 372 Time Warner Telecom
2386 1203 614 740 AT&T Data Communications Serv
6478 1115 322 132 AT&T Worldnet Services
11492 1113 108 38 Cable One
6197 1028 717 509 BellSouth Network Solutions,
18566 1018 288 9 Covad Communications
174 966 6777 856 Cogent Communications
701 944 6563 720 UUNET Technologies, Inc.
7011 906 259 544 Citizens Utilities
20115 807 742 431 Charter Communications
1239 806 2741 573 Sprint
19262 766 2721 185 Verizon Global Networks
22773 754 2148 49 Cox Communications, Inc.
209 743 3869 588 Qwest
5668 629 171 23 CenturyTel Internet Holdings,
6517 579 161 37 Yipes Communications, Inc.
855 575 254 73 Canadian Research Network
852 574 1093 365 Telus Advanced Communications
6198 569 613 259 BellSouth Network Solutions,

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
2119 515 1075 138 Telenor Internet Access
702 503 1922 404 UUNET - Commercial IP service
24863 362 57 41 LINKdotNET AS number
9116 349 168 26 Goldenlines main autonomous s
3301 313 1456 293 TeliaNet Sweden
3320 311 6034 257 Deutsche Telekom AG
6746 287 130 263 Dynamic Network Technologies,
5089 269 1658 54 NTL Group Limited
680 266 2061 257 DFN-IP service G-WiN
8220 261 446 244 COLT Telecommunications
3215 256 2392 97 France Telecom Transpac
8708 253 420 242 Romania Data Systems S.A.
8551 231 228 27 Bezeq International
3352 224 1864 41 Ibernet, Internet Access Netw
3269 221 2775 73 TELECOM ITALIA
9121 210 1441 24 TTnet Autonomous System
3292 195 1379 175 TDC Tele Danmark
1257 194 1195 172 SWIPnet Swedish IP Network
12479 193 578 6 Uni2 Autonomous System
3300 191 172 91 AUCS Communications Services

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8151 904 1957 211 UniNet S.A. de C.V.
11830 483 299 9 Instituto Costarricense de El
16814 426 26 9 NSS, S.A.
11172 374 115 61 Servicios Alestra S.A de C.V
14522 334 28 7 SatNet S.A.
7303 331 172 42 Telecom Argentina Stet-France
22047 318 246 13 VTR PUNTO NET S.A.
6471 316 75 32 ENTEL CHILE S.A.
14117 281 19 15 Telefonica del Sur S.A.
10481 261 104 9 Prima S.A.
11556 229 128 3 Cable-Wireless Panama
6147 226 176 27 Telefonica Del Peru
10620 217 61 26 TVCABLE BOGOTA
6503 201 171 83 AVANTEL, S.A.
23216 195 16 43 RAMtelecom Telecomunicaciones
8163 177 11 6 METROTEL REDES S.A.
19169 170 15 20 Telconet
20299 163 24 21 NEWCOM AMERICAS
21826 162 28 61 INTERCABLE
7738 159 506 23 Telecomunicacoes da Bahia S.A

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
3741 282 867 223 The Internet Solution
8452 229 188 7 TEDATA
6713 142 135 11 Itissalat Al-MAGHRIB
2018 141 301 115 Tertiary Education Network
33783 125 8 11 EEPAD TISP TELECOM & INTERNET
5536 124 8 10 Internet Egypt Network
33776 99 6 8 Starcomms Nigeria Limited
24835 87 48 6 RAYA Telecom - Egypt
15475 78 84 4 Nile Online
2905 75 174 72 The Internetworking Company o
2561 62 6 2 Egyptian Universities Network
15706 56 12 4 Sudatel Internet Exchange Aut
23889 52 24 15 MAURITIUS TELECOM
5713 46 294 36 Telkom SA Ltd
33774 46 29 24 AS Number for Telecom Algeria
16637 42 21 29 Johnnic e-Ventures
8524 31 2 10 AUCEGYPT Autonomous System
12455 30 6 3 Jambonet Autonomous system
21280 30 4 4 Swift Global Kenya Ltd.Is an
10798 24 2 15 Standard Bank of South Africa

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4755 1317 1246 Videsh Sanchar Nigam Ltd. Aut
11492 1113 1075 Cable One
4134 1329 1042 CHINANET-BACKBONE
18566 1018 1009 Covad Communications
6478 1115 983 AT&T Worldnet Services
4323 1328 956 Time Warner Telecom
9498 994 925 BHARTI BT INTERNET LTD.
9583 1124 722 Sify Limited
22773 754 705 Cox Communications, Inc.
8151 904 693 UniNet S.A. de C.V.
17488 742 683 Hathway IP Over Cable Interne
5668 629 606 CenturyTel Internet Holdings,
7545 702 586 TPG Internet Pty Ltd
19262 766 581 Verizon Global Networks
18101 581 542 Reliance Infocom Ltd Internet
6517 579 542 Yipes Communications, Inc.
15270 568 530 PaeTec.net -a division of Pae
6197 1028 519 BellSouth Network Solutions,
19916 568 517 OLM LLC
855 575 502 Canadian Research Network

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
64513 PRIVATE 63.171.234.0/26 1803 SPRINT
64513 PRIVATE 63.171.234.64/26 1803 SPRINT
64513 PRIVATE 63.171.234.128/26 1803 SPRINT
64513 PRIVATE 63.171.234.192/26 1803 SPRINT
38347 UNALLOCATED 116.212.160.0/21 9389 BEIJING SHENZHOU GRE
38347 UNALLOCATED 116.212.168.0/21 9389 BEIJING SHENZHOU GRE
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
7.1.1.0/24 1239 Sprint
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
172.33.1.0/24 7018 AT&T WorldNet Services
192.0.10.0/24 9498 BHARTI BT INTERNET LTD.
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.153.136.0/21 721 DLA Systems Automation Center
192.172.0.0/19 721 DLA Systems Automation Center

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:18 /9:9 /10:15 /11:36 /12:133
/13:257 /14:470 /15:909 /16:9572 /17:4043 /18:6513
/19:13827 /20:16056 /21:14697 /22:19048 /23:19975 /24:119925
/25:767 /26:1022 /27:490 /28:80 /29:5 /30:0
/31:0 /32:8

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6478 1114 1115 AT&T Worldnet Services
11492 1105 1113 Cable One
18566 1000 1018 Covad Communications
9583 966 1124 Sify Limited
2386 897 1203 AT&T Data Communications Serv
7018 808 1473 AT&T WorldNet Services
7011 804 906 Citizens Utilities
6197 782 1028 BellSouth Network Solutions,
23577 779 788 Korea Telecom (ATM-MPLS)
4755 708 1317 Videsh Sanchar Nigam Ltd. Aut
9498 663 994 BHARTI BT INTERNET LTD.
4766 595 798 Korea Telecom (KIX)
17488 565 742 Hathway IP Over Cable Interne
19916 563 568 OLM LLC
4323 559 1328 Time Warner Telecom
6517 544 579 Yipes Communications, Inc.
15270 532 568 PaeTec.net -a division of Pae
4668 502 512 LG-EDS Systems Inc.
5668 495 629 CenturyTel Internet Holdings,
18101 495 581 Reliance Infocom Ltd Internet

Number of /24s announced per /8 block (Global)
----------------------------------------------

4:8 7:1 8:85 12:1795 15:19 16:3
17:3 18:12 20:37 24:928 25:1 32:57
33:3 38:345 40:60 41:292 44:2 47:4
52:4 55:3 56:3 57:25 58:470 59:389
60:343 61:990 62:918 63:1993 64:3141 65:2341
66:3317 67:753 68:623 69:1933 70:445 71:104
72:1378 73:2 74:615 75:254 76:97 77:277
78:32 80:830 81:824 82:662 83:371 84:600
85:852 86:337 87:478 88:275 89:951 90:22
91:460 97:6 116:270 117:124 121:258 122:572
123:151 124:841 125:980 128:292 129:212 130:139
131:362 132:55 133:9 134:199 135:34 136:188
137:80 138:149 139:71 140:489 141:172 142:378
143:254 144:299 145:46 146:325 147:120 148:410
149:142 150:111 151:159 152:90 153:122 154:3
155:260 156:156 157:212 158:157 159:172 160:108
161:94 162:185 163:179 164:466 165:393 166:271
167:295 168:507 169:121 170:410 171:22 172:2
189:71 190:928 192:5751 193:3964 194:3171 195:2270
196:974 198:3813 199:3270 200:5074 201:1147 202:7402
203:7586 204:3943 205:1975 206:2421 207:2818 208:2762
209:3514 210:2423 211:971 212:1317 213:1457 214:418
215:41 216:3979 217:1156 218:351 219:383 220:1006
221:413 222:267

End of report

cscora at apnic

Aug 17, 2007, 11:03 AM

Post #18 of 149 (12759 views)
Permalink

Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.apnic.net.

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 18 Aug, 2007

Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/08/18/0400

Analysis Summary
----------------

BGP routing table entries examined: 228981
Prefixes after maximum aggregation: 120023
Deaggregation factor: 1.91
Unique aggregates announced to Internet: 111293
Total ASes present in the Internet Routing Table: 25995
Prefixes per ASN: 8.81
Origin-only ASes present in the Internet Routing Table: 22636
Origin ASes announcing only one prefix: 11060
Transit ASes present in the Internet Routing Table: 3359
Transit-only ASes present in the Internet Routing Table: 75
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 21
Max AS path prepend of ASN (35389) 16
Prefixes from unregistered ASNs in the Routing Table: 7
Unregistered ASNs in the Routing Table: 3
Prefixes from 32-bit ASNs in the Routing Table: 5
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1751698656
Equivalent to 104 /8s, 104 /16s and 204 /24s
Percentage of available address space announced: 47.3
Percentage of allocated address space announced: 61.9
Percentage of available address space allocated: 76.4
Total number of prefixes smaller than registry allocations: 121285

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 53554
Total APNIC prefixes after maximum aggregation: 20814
APNIC Deaggregation factor: 2.57
Prefixes being announced from the APNIC address blocks: 50491
Unique aggregates announced from the APNIC address blocks: 22248
APNIC Region origin ASes present in the Internet Routing Table: 3037
APNIC Prefixes per ASN: 16.63
APNIC Region origin ASes announcing only one prefix: 820
APNIC Region transit ASes present in the Internet Routing Table: 463
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 311783328
Equivalent to 18 /8s, 149 /16s and 111 /24s
Percentage of available APNIC address space announced: 77.2

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 116/6, 120/6, 124/7, 126/8, 202/7
210/7, 218/7, 220/7 and 222/8

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 108312
Total ARIN prefixes after maximum aggregation: 62746
ARIN Deaggregation factor: 1.73
Prefixes being announced from the ARIN address blocks: 79754
Unique aggregates announced from the ARIN address blocks: 31860
ARIN Region origin ASes present in the Internet Routing Table: 11765
ARIN Prefixes per ASN: 6.78
ARIN Region origin ASes announcing only one prefix: 4536
ARIN Region transit ASes present in the Internet Routing Table: 1081
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 342081536
Equivalent to 20 /8s, 99 /16s and 192 /24s
Percentage of available ARIN address space announced: 75.5

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6,
208/7 and 216/8

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 48172
Total RIPE prefixes after maximum aggregation: 31027
RIPE Deaggregation factor: 1.55
Prefixes being announced from the RIPE address blocks: 44558
Unique aggregates announced from the RIPE address blocks: 29275
RIPE Region origin ASes present in the Internet Routing Table: 10066
RIPE Prefixes per ASN: 4.43
RIPE Region origin ASes announcing only one prefix: 5360
RIPE Region transit ASes present in the Internet Routing Table: 1602
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 323968640
Equivalent to 19 /8s, 79 /16s and 94 /24s
Percentage of available RIPE address space announced: 74.3

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-44031
RIPE Address Blocks 62/8, 77/8, 78/7, 80/4, 193/8, 194/7, 212/7
and 217/8

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 16210
Total LACNIC prefixes after maximum aggregation: 4384
LACNIC Deaggregation factor: 3.70
Prefixes being announced from the LACNIC address blocks: 14309
Unique aggregates announced from the LACNIC address blocks: 7741
LACNIC Region origin ASes present in the Internet Routing Table: 845
LACNIC Prefixes per ASN: 16.93
LACNIC Region origin ASes announcing only one prefix: 276
LACNIC Region transit ASes present in the Internet Routing Table: 144
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 41965312
Equivalent to 2 /8s, 128 /16s and 87 /24s
Percentage of available LACNIC address space announced: 62.5

LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 2721
Total AfriNIC prefixes after maximum aggregation: 1042
AfriNIC Deaggregation factor: 2.61
Prefixes being announced from the AfriNIC address blocks: 2251
Unique aggregates announced from the AfriNIC address blocks: 1356
AfriNIC Region origin ASes present in the Internet Routing Table: 206
AfriNIC Prefixes per ASN: 10.93
AfriNIC Region origin ASes announcing only one prefix: 68
AfriNIC Region transit ASes present in the Internet Routing Table: 33
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 7433984
Equivalent to 0 /8s, 113 /16s and 111 /24s
Percentage of available AfriNIC address space announced: 22.2

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4134 1332 11140 287 CHINANET-BACKBONE
4755 1322 382 71 Videsh Sanchar Nigam Ltd. Aut
9583 1124 80 404 Sify Limited
9498 998 533 68 BHARTI BT INTERNET LTD.
4766 797 5440 315 Korea Telecom (KIX)
23577 790 34 686 Korea Telecom (ATM-MPLS)
17488 759 49 56 Hathway IP Over Cable Interne
7545 699 150 115 TPG Internet Pty Ltd
18101 588 118 45 Reliance Infocom Ltd Internet
1221 545 1951 426 Telstra Pty Ltd
4812 543 979 98 China Telecom (Shanghai)
4668 516 68 10 LG-EDS Systems Inc.
17676 503 10919 64 Softbank BB Corp.
4808 476 768 107 CNCGROUP IP network: China169
9443 473 122 77 Primus Telecommunications
4802 428 116 154 Wantree Development
7474 393 217 267 SingTel Optus Pty Ltd
17974 364 130 13 PT TELEKOMUNIKASI INDONESIA
9829 363 258 14 BSNL National Internet Backbo
4837 354 4944 165 chinanet IDC center beijing n

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
7018 1474 6076 991 AT&T WorldNet Services
4323 1329 1007 373 Time Warner Telecom
2386 1210 616 745 AT&T Data Communications Serv
11492 1124 109 32 Cable One
6478 1116 322 140 AT&T Worldnet Services
6197 1029 718 510 BellSouth Network Solutions,
18566 1019 288 9 Covad Communications
174 971 6780 861 Cogent Communications
701 942 6547 720 UUNET Technologies, Inc.
7011 911 260 548 Citizens Utilities
20115 805 741 430 Charter Communications
1239 801 2723 567 Sprint
19262 763 2721 182 Verizon Global Networks
22773 754 2148 49 Cox Communications, Inc.
209 731 3835 580 Qwest
5668 628 171 24 CenturyTel Internet Holdings,
6517 582 161 37 Yipes Communications, Inc.
852 576 1095 363 Telus Advanced Communications
855 575 254 73 Canadian Research Network
6198 569 613 259 BellSouth Network Solutions,

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
2119 506 918 378 Telenor Internet Access
702 503 1922 404 UUNET - Commercial IP service
24863 362 57 41 LINKdotNET AS number
9116 345 168 26 Goldenlines main autonomous s
3301 313 1456 293 TeliaNet Sweden
3320 313 6035 260 Deutsche Telekom AG
6746 287 130 263 Dynamic Network Technologies,
5089 269 1658 54 NTL Group Limited
680 265 2061 256 DFN-IP service G-WiN
8220 261 445 244 COLT Telecommunications
8708 260 420 241 Romania Data Systems S.A.
3215 256 2392 97 France Telecom Transpac
8551 232 228 27 Bezeq International
3352 225 1868 38 Ibernet, Internet Access Netw
3269 221 2775 73 TELECOM ITALIA
9121 210 1441 24 TTnet Autonomous System
3292 195 1379 175 TDC Tele Danmark
12479 193 578 6 Uni2 Autonomous System
1257 192 1195 170 SWIPnet Swedish IP Network
3300 192 172 93 AUCS Communications Services

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8151 920 1974 207 UniNet S.A. de C.V.
11830 483 299 9 Instituto Costarricense de El
16814 426 26 9 NSS, S.A.
11172 374 115 61 Servicios Alestra S.A de C.V
7303 337 175 42 Telecom Argentina Stet-France
14522 334 28 7 SatNet S.A.
22047 318 246 13 VTR PUNTO NET S.A.
6471 317 75 32 ENTEL CHILE S.A.
14117 281 19 15 Telefonica del Sur S.A.
10481 261 104 9 Prima S.A.
11556 235 128 3 Cable-Wireless Panama
6147 226 176 27 Telefonica Del Peru
10620 217 61 26 TVCABLE BOGOTA
6503 200 170 82 AVANTEL, S.A.
23216 195 16 43 RAMtelecom Telecomunicaciones
8163 177 11 6 METROTEL REDES S.A.
19169 169 12 18 Telconet
21826 162 28 61 INTERCABLE
20299 161 24 20 NEWCOM AMERICAS
7738 160 506 23 Telecomunicacoes da Bahia S.A

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
3741 282 867 223 The Internet Solution
8452 234 188 7 TEDATA
6713 142 135 11 Itissalat Al-MAGHRIB
2018 140 301 115 Tertiary Education Network
33783 126 8 11 EEPAD TISP TELECOM & INTERNET
5536 124 8 10 Internet Egypt Network
33776 99 6 8 Starcomms Nigeria Limited
24835 87 48 6 RAYA Telecom - Egypt
15475 79 84 4 Nile Online
2905 75 174 72 The Internetworking Company o
2561 62 6 2 Egyptian Universities Network
15706 56 12 4 Sudatel Internet Exchange Aut
23889 52 24 15 MAURITIUS TELECOM
5713 46 294 36 Telkom SA Ltd
16637 46 21 29 Johnnic e-Ventures
33774 46 29 24 AS Number for Telecom Algeria
8524 31 2 10 AUCEGYPT Autonomous System
21280 30 4 4 Swift Global Kenya Ltd.Is an
12455 26 6 3 Jambonet Autonomous system
10798 25 2 16 Standard Bank of South Africa

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4755 1322 1251 Videsh Sanchar Nigam Ltd. Aut
11492 1124 1092 Cable One
4134 1332 1045 CHINANET-BACKBONE
18566 1019 1010 Covad Communications
6478 1116 976 AT&T Worldnet Services
4323 1329 956 Time Warner Telecom
9498 998 930 BHARTI BT INTERNET LTD.
9583 1124 720 Sify Limited
8151 920 713 UniNet S.A. de C.V.
22773 754 705 Cox Communications, Inc.
17488 759 703 Hathway IP Over Cable Interne
5668 628 604 CenturyTel Internet Holdings,
7545 699 584 TPG Internet Pty Ltd
19262 763 581 Verizon Global Networks
6517 582 545 Yipes Communications, Inc.
18101 588 543 Reliance Infocom Ltd Internet
15270 566 528 PaeTec.net -a division of Pae
6197 1029 519 BellSouth Network Solutions,
19916 568 517 OLM LLC
4668 516 506 LG-EDS Systems Inc.

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
64513 PRIVATE 63.171.234.0/26 1803 SPRINT
64513 PRIVATE 63.171.234.64/26 1803 SPRINT
64513 PRIVATE 63.171.234.128/26 1803 SPRINT
64513 PRIVATE 63.171.234.192/26 1803 SPRINT
65038 PRIVATE 88.213.141.0/24 34695 E4A Primary AS
65038 PRIVATE 88.213.155.0/24 34695 E4A Primary AS
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
7.1.1.0/24 1239 Sprint
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
172.33.1.0/24 7018 AT&T WorldNet Services
192.0.10.0/24 9498 BHARTI BT INTERNET LTD.
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.153.136.0/21 721 DLA Systems Automation Center
192.172.0.0/19 721 DLA Systems Automation Center

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:18 /9:9 /10:15 /11:36 /12:134
/13:257 /14:470 /15:918 /16:9590 /17:4051 /18:6542
/19:13876 /20:16145 /21:14807 /22:19116 /23:20085 /24:120509
/25:778 /26:1030 /27:503 /28:79 /29:5 /30:0
/31:0 /32:8

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
11492 1116 1124 Cable One
6478 1115 1116 AT&T Worldnet Services
18566 1001 1019 Covad Communications
9583 966 1124 Sify Limited
2386 904 1210 AT&T Data Communications Serv
7018 812 1474 AT&T WorldNet Services
7011 808 911 Citizens Utilities
6197 782 1029 BellSouth Network Solutions,
23577 781 790 Korea Telecom (ATM-MPLS)
4755 710 1322 Videsh Sanchar Nigam Ltd. Aut
9498 667 998 BHARTI BT INTERNET LTD.
4766 594 797 Korea Telecom (KIX)
17488 582 759 Hathway IP Over Cable Interne
19916 563 568 OLM LLC
4323 558 1329 Time Warner Telecom
6517 547 582 Yipes Communications, Inc.
15270 530 566 PaeTec.net -a division of Pae
4668 506 516 LG-EDS Systems Inc.
18101 498 588 Reliance Infocom Ltd Internet
5668 493 628 CenturyTel Internet Holdings,

Number of /24s announced per /8 block (Global)
----------------------------------------------

4:8 7:1 8:86 12:1794 13:1 15:19
16:3 17:3 18:13 20:37 24:954 25:1
32:57 33:3 38:346 40:60 41:307 44:2
47:4 52:4 55:3 56:3 57:25 58:472
59:386 60:356 61:997 62:937 63:1999 64:3162
65:2361 66:3397 67:763 68:644 69:1940 70:442
71:104 72:1383 73:2 74:624 75:255 76:124
77:282 78:36 80:832 81:830 82:654 83:379
84:595 85:851 86:341 87:484 88:285 89:963
90:22 91:486 97:6 116:279 117:134 121:262
122:595 123:155 124:841 125:981 126:1 128:290
129:214 130:140 131:362 132:55 133:9 134:198
135:34 136:188 137:81 138:149 139:71 140:493
141:173 142:379 143:255 144:299 145:46 146:325
147:119 148:409 149:143 150:111 151:159 152:88
153:122 154:3 155:261 156:156 157:214 158:158
159:171 160:105 161:94 162:186 163:179 164:477
165:391 166:275 167:295 168:511 169:121 170:396
171:22 172:2 189:69 190:972 192:5736 193:3960
194:3177 195:2270 196:981 198:3819 199:3267 200:5069
201:1151 202:7392 203:7628 204:3949 205:1982 206:2416
207:2818 208:2775 209:3479 210:2440 211:985 212:1341
213:1475 214:416 215:41 216:4003 217:1165 218:353
219:381 220:1013 221:416 222:265

End of report

cscora at apnic

Aug 24, 2007, 11:03 AM

Post #19 of 149 (12689 views)
Permalink

Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.apnic.net.

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 25 Aug, 2007

Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/08/25/0400

Analysis Summary
----------------

BGP routing table entries examined: 229751
Prefixes after maximum aggregation: 119874
Deaggregation factor: 1.92
Unique aggregates announced to Internet: 110416
Total ASes present in the Internet Routing Table: 26036
Prefixes per ASN: 8.82
Origin-only ASes present in the Internet Routing Table: 22668
Origin ASes announcing only one prefix: 11045
Transit ASes present in the Internet Routing Table: 3368
Transit-only ASes present in the Internet Routing Table: 76
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 21
Max AS path prepend of ASN (35389) 16
Prefixes from unregistered ASNs in the Routing Table: 5
Unregistered ASNs in the Routing Table: 5
Prefixes from 32-bit ASNs in the Routing Table: 6
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1755282784
Equivalent to 104 /8s, 159 /16s and 125 /24s
Percentage of available address space announced: 47.4
Percentage of allocated address space announced: 62.0
Percentage of available address space allocated: 76.4
Total number of prefixes smaller than registry allocations: 121765

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 53875
Total APNIC prefixes after maximum aggregation: 20446
APNIC Deaggregation factor: 2.63
Prefixes being announced from the APNIC address blocks: 50793
Unique aggregates announced from the APNIC address blocks: 21320
APNIC Region origin ASes present in the Internet Routing Table: 3034
APNIC Prefixes per ASN: 16.74
APNIC Region origin ASes announcing only one prefix: 806
APNIC Region transit ASes present in the Internet Routing Table: 468
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 312948384
Equivalent to 18 /8s, 167 /16s and 54 /24s
Percentage of available APNIC address space announced: 77.5

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 116/6, 120/6, 124/7, 126/8, 202/7
210/7, 218/7, 220/7 and 222/8

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 108606
Total ARIN prefixes after maximum aggregation: 62865
ARIN Deaggregation factor: 1.73
Prefixes being announced from the ARIN address blocks: 79932
Unique aggregates announced from the ARIN address blocks: 31815
ARIN Region origin ASes present in the Internet Routing Table: 11778
ARIN Prefixes per ASN: 6.79
ARIN Region origin ASes announcing only one prefix: 4530
ARIN Region transit ASes present in the Internet Routing Table: 1080
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 14
Number of ARIN addresses announced to Internet: 342669824
Equivalent to 20 /8s, 108 /16s and 186 /24s
Percentage of available ARIN address space announced: 75.6

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6,
208/7 and 216/8

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 48155
Total RIPE prefixes after maximum aggregation: 31109
RIPE Deaggregation factor: 1.55
Prefixes being announced from the RIPE address blocks: 44559
Unique aggregates announced from the RIPE address blocks: 29324
RIPE Region origin ASes present in the Internet Routing Table: 10092
RIPE Prefixes per ASN: 4.42
RIPE Region origin ASes announcing only one prefix: 5367
RIPE Region transit ASes present in the Internet Routing Table: 1605
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 325478784
Equivalent to 19 /8s, 102 /16s and 105 /24s
Percentage of available RIPE address space announced: 74.6

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-44031
RIPE Address Blocks 62/8, 77/8, 78/7, 80/4, 193/8, 194/7, 212/7
and 217/8

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 16376
Total LACNIC prefixes after maximum aggregation: 4412
LACNIC Deaggregation factor: 3.71
Prefixes being announced from the LACNIC address blocks: 14510
Unique aggregates announced from the LACNIC address blocks: 7783
LACNIC Region origin ASes present in the Internet Routing Table: 849
LACNIC Prefixes per ASN: 17.09
LACNIC Region origin ASes announcing only one prefix: 273
LACNIC Region transit ASes present in the Internet Routing Table: 146
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 42072832
Equivalent to 2 /8s, 129 /16s and 251 /24s
Percentage of available LACNIC address space announced: 62.7

LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 2728
Total AfriNIC prefixes after maximum aggregation: 1030
AfriNIC Deaggregation factor: 2.65
Prefixes being announced from the AfriNIC address blocks: 2272
Unique aggregates announced from the AfriNIC address blocks: 1342
AfriNIC Region origin ASes present in the Internet Routing Table: 206
AfriNIC Prefixes per ASN: 11.03
AfriNIC Region origin ASes announcing only one prefix: 69
AfriNIC Region transit ASes present in the Internet Routing Table: 32
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 7439360
Equivalent to 0 /8s, 113 /16s and 132 /24s
Percentage of available AfriNIC address space announced: 22.2

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4755 1337 383 73 Videsh Sanchar Nigam Ltd. Aut
4134 1336 11150 289 CHINANET-BACKBONE
9583 1133 108 17 Sify Limited
9498 995 532 66 BHARTI BT INTERNET LTD.
4766 800 5441 316 Korea Telecom (KIX)
23577 786 34 683 Korea Telecom (ATM-MPLS)
17488 778 51 54 Hathway IP Over Cable Interne
7545 732 159 121 TPG Internet Pty Ltd
18101 592 119 48 Reliance Infocom Ltd Internet
4812 547 968 96 China Telecom (Shanghai)
1221 543 1951 424 Telstra Pty Ltd
4668 516 68 10 LG-EDS Systems Inc.
17676 503 10919 64 Softbank BB Corp.
4808 476 768 107 CNCGROUP IP network: China169
9443 464 122 77 Primus Telecommunications
4802 431 116 157 Wantree Development
7474 381 216 269 SingTel Optus Pty Ltd
4837 366 5104 167 chinanet IDC center beijing n
9829 363 258 14 BSNL National Internet Backbo
17974 363 130 13 PT TELEKOMUNIKASI INDONESIA

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
7018 1479 6076 994 AT&T WorldNet Services
4323 1324 992 372 Time Warner Telecom
2386 1215 617 749 AT&T Data Communications Serv
6478 1141 322 134 AT&T Worldnet Services
11492 1135 110 16 Cable One
6197 1029 718 509 BellSouth Network Solutions,
18566 1020 288 9 Covad Communications
174 971 6780 861 Cogent Communications
701 943 6578 723 UUNET Technologies, Inc.
7011 918 277 554 Citizens Utilities
20115 815 748 434 Charter Communications
1239 796 2720 564 Sprint
19262 767 2743 186 Verizon Global Networks
22773 759 2148 49 Cox Communications, Inc.
209 739 3820 584 Qwest
5668 630 171 24 CenturyTel Internet Holdings,
6517 589 165 37 Yipes Communications, Inc.
852 577 1096 362 Telus Advanced Communications
3356 571 10826 339 Level 3 Communications, LLC
855 570 254 73 Canadian Research Network

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
2119 505 918 378 Telenor Internet Access
702 491 1921 393 UUNET - Commercial IP service
24863 366 57 40 LINKdotNET AS number
9116 344 168 26 Goldenlines main autonomous s
3320 314 6035 261 Deutsche Telekom AG
3301 313 1456 293 TeliaNet Sweden
6746 288 130 264 Dynamic Network Technologies,
680 265 2061 256 DFN-IP service G-WiN
8708 262 420 241 Romania Data Systems S.A.
8220 260 445 243 COLT Telecommunications
3215 258 2424 98 France Telecom Transpac
8551 232 228 27 Bezeq International
3352 226 1868 38 Ibernet, Internet Access Netw
3269 221 2775 73 TELECOM ITALIA
9121 214 1441 24 TTnet Autonomous System
3292 195 1379 175 TDC Tele Danmark
12479 194 578 6 Uni2 Autonomous System
1257 192 1195 170 SWIPnet Swedish IP Network
3300 192 172 93 AUCS Communications Services
3246 186 252 177 Song Networks

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8151 925 1973 209 UniNet S.A. de C.V.
11830 483 299 9 Instituto Costarricense de El
16814 426 26 9 NSS, S.A.
11172 375 115 61 Servicios Alestra S.A de C.V
7303 334 175 42 Telecom Argentina Stet-France
14522 334 28 7 SatNet S.A.
6471 322 75 33 ENTEL CHILE S.A.
22047 318 246 13 VTR PUNTO NET S.A.
14117 281 19 15 Telefonica del Sur S.A.
10481 278 104 9 Prima S.A.
11556 237 128 4 Cable-Wireless Panama
6147 227 178 24 Telefonica Del Peru
10620 218 61 20 TVCABLE BOGOTA
6503 201 170 82 AVANTEL, S.A.
23216 195 16 43 RAMtelecom Telecomunicaciones
20299 179 25 31 NEWCOM AMERICAS
8163 177 11 6 METROTEL REDES S.A.
19169 164 12 15 Telconet
21826 164 29 58 INTERCABLE
7738 162 506 23 Telecomunicacoes da Bahia S.A

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
3741 283 868 224 The Internet Solution
8452 233 188 7 TEDATA
6713 142 135 11 Itissalat Al-MAGHRIB
2018 140 301 115 Tertiary Education Network
33783 126 8 11 EEPAD TISP TELECOM & INTERNET
5536 124 8 10 Internet Egypt Network
33776 99 6 8 Starcomms Nigeria Limited
24835 88 48 7 RAYA Telecom - Egypt
15475 76 84 4 Nile Online
2905 74 174 71 The Internetworking Company o
2561 62 6 2 Egyptian Universities Network
15706 52 12 4 Sudatel Internet Exchange Aut
23889 52 24 15 MAURITIUS TELECOM
5713 46 294 36 Telkom SA Ltd
16637 46 21 29 Johnnic e-Ventures
33774 46 29 24 AS Number for Telecom Algeria
8524 31 2 10 AUCEGYPT Autonomous System
21280 30 4 4 Swift Global Kenya Ltd.Is an
10798 27 16 1 Standard Bank of South Africa
12455 27 6 3 Jambonet Autonomous system

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4755 1337 1264 Videsh Sanchar Nigam Ltd. Aut
11492 1135 1119 Cable One
9583 1133 1116 Sify Limited
4134 1336 1047 CHINANET-BACKBONE
18566 1020 1011 Covad Communications
6478 1141 1007 AT&T Worldnet Services
4323 1324 952 Time Warner Telecom
9498 995 929 BHARTI BT INTERNET LTD.
17488 778 724 Hathway IP Over Cable Interne
8151 925 716 UniNet S.A. de C.V.
22773 759 710 Cox Communications, Inc.
7545 732 611 TPG Internet Pty Ltd
5668 630 606 CenturyTel Internet Holdings,
19262 767 581 Verizon Global Networks
6517 589 552 Yipes Communications, Inc.
18101 592 544 Reliance Infocom Ltd Internet
15270 568 530 PaeTec.net -a division of Pae
6197 1029 520 BellSouth Network Solutions,
19916 568 517 OLM LLC
4668 516 506 LG-EDS Systems Inc.

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
64539 PRIVATE 170.213.128.0/24 7132 SBC Internet Service
64539 PRIVATE 170.213.129.0/24 7132 SBC Internet Service
64539 PRIVATE 170.213.132.0/24 7132 SBC Internet Service
64501 RESERVED 195.189.160.0/24 35041 Crystone Autonomous
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
7.1.1.0/24 1239 Sprint
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
172.33.1.0/24 7018 AT&T WorldNet Services
192.0.10.0/24 9498 BHARTI BT INTERNET LTD.
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.153.136.0/21 721 DLA Systems Automation Center
192.172.0.0/19 721 DLA Systems Automation Center

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:18 /9:9 /10:15 /11:37 /12:134
/13:260 /14:471 /15:920 /16:9611 /17:4076 /18:6589
/19:13938 /20:16134 /21:14919 /22:19185 /23:20139 /24:120884
/25:781 /26:1032 /27:504 /28:82 /29:5 /30:0
/31:0 /32:8

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6478 1140 1141 AT&T Worldnet Services
11492 1128 1135 Cable One
18566 1002 1020 Covad Communications
9583 966 1133 Sify Limited
2386 908 1215 AT&T Data Communications Serv
7018 817 1479 AT&T WorldNet Services
7011 814 918 Citizens Utilities
6197 782 1029 BellSouth Network Solutions,
23577 777 786 Korea Telecom (ATM-MPLS)
4755 720 1337 Videsh Sanchar Nigam Ltd. Aut
9498 668 995 BHARTI BT INTERNET LTD.
17488 601 778 Hathway IP Over Cable Interne
4766 598 800 Korea Telecom (KIX)
19916 563 568 OLM LLC
4323 557 1324 Time Warner Telecom
6517 555 589 Yipes Communications, Inc.
15270 532 568 PaeTec.net -a division of Pae
4668 506 516 LG-EDS Systems Inc.
18101 499 592 Reliance Infocom Ltd Internet
5668 495 630 CenturyTel Internet Holdings,

Number of /24s announced per /8 block (Global)
----------------------------------------------

4:8 7:1 8:88 12:1814 13:1 15:19
16:3 17:3 18:13 20:37 24:964 25:1
32:56 33:3 38:347 40:60 41:315 44:2
47:4 52:4 55:3 56:3 57:25 58:470
59:386 60:364 61:1006 62:935 63:2001 64:3189
65:2364 66:3402 67:778 68:651 69:1963 70:445
71:104 72:1381 73:2 74:634 75:261 76:126
77:295 78:46 80:832 81:832 82:655 83:378
84:598 85:855 86:337 87:484 88:281 89:954
90:25 91:503 97:5 116:296 117:142 121:268
122:592 123:151 124:671 125:991 128:275 129:214
130:140 131:363 132:55 133:9 134:197 135:34
136:189 137:81 138:156 139:72 140:494 141:173
142:379 143:255 144:298 145:46 146:327 147:124
148:410 149:143 150:110 151:159 152:88 153:122
154:3 155:263 156:161 157:213 158:158 159:171
160:113 161:96 162:175 163:180 164:480 165:394
166:275 167:297 168:511 169:122 170:391 171:22
172:2 189:67 190:989 192:5740 193:3969 194:3185
195:2264 196:987 198:3811 199:3277 200:5138 201:1180
202:7408 203:7699 204:3928 205:1977 206:2414 207:2803
208:2786 209:3487 210:2461 211:1086 212:1329 213:1466
214:417 215:41 216:3978 217:1184 218:363 219:381
220:1026 221:412 222:264

End of report

cscora at apnic

Aug 31, 2007, 11:12 AM

Post #20 of 149 (12693 views)
Permalink

Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.apnic.net.

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 01 Sep, 2007

Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/09/01/0400

Analysis Summary
----------------

BGP routing table entries examined: 229742
Prefixes after maximum aggregation: 119898
Deaggregation factor: 1.92
Unique aggregates announced to Internet: 110820
Total ASes present in the Internet Routing Table: 26109
Prefixes per ASN: 8.80
Origin-only ASes present in the Internet Routing Table: 22732
Origin ASes announcing only one prefix: 11081
Transit ASes present in the Internet Routing Table: 3377
Transit-only ASes present in the Internet Routing Table: 77
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 20
Max AS path prepend of ASN (35389) 16
Prefixes from unregistered ASNs in the Routing Table: 10
Unregistered ASNs in the Routing Table: 6
Prefixes from 32-bit ASNs in the Routing Table: 6
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1756836704
Equivalent to 104 /8s, 183 /16s and 51 /24s
Percentage of available address space announced: 47.4
Percentage of allocated address space announced: 62.1
Percentage of available address space allocated: 76.4
Total number of prefixes smaller than registry allocations: 121719

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 53719
Total APNIC prefixes after maximum aggregation: 20575
APNIC Deaggregation factor: 2.61
Prefixes being announced from the APNIC address blocks: 50635
Unique aggregates announced from the APNIC address blocks: 21459
APNIC Region origin ASes present in the Internet Routing Table: 3046
APNIC Prefixes per ASN: 16.62
APNIC Region origin ASes announcing only one prefix: 809
APNIC Region transit ASes present in the Internet Routing Table: 467
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 313653792
Equivalent to 18 /8s, 177 /16s and 250 /24s
Percentage of available APNIC address space announced: 77.7

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 116/6, 120/6, 124/7, 126/8, 202/7
210/7, 218/7, 220/7 and 222/8

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 108857
Total ARIN prefixes after maximum aggregation: 62963
ARIN Deaggregation factor: 1.73
Prefixes being announced from the ARIN address blocks: 80198
Unique aggregates announced from the ARIN address blocks: 31899
ARIN Region origin ASes present in the Internet Routing Table: 11791
ARIN Prefixes per ASN: 6.80
ARIN Region origin ASes announcing only one prefix: 4522
ARIN Region transit ASes present in the Internet Routing Table: 1091
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 14
Number of ARIN addresses announced to Internet: 343064576
Equivalent to 20 /8s, 114 /16s and 192 /24s
Percentage of available ARIN address space announced: 75.7

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6,
208/7 and 216/8

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 48026
Total RIPE prefixes after maximum aggregation: 30905
RIPE Deaggregation factor: 1.55
Prefixes being announced from the RIPE address blocks: 44417
Unique aggregates announced from the RIPE address blocks: 29477
RIPE Region origin ASes present in the Internet Routing Table: 10130
RIPE Prefixes per ASN: 4.38
RIPE Region origin ASes announcing only one prefix: 5399
RIPE Region transit ASes present in the Internet Routing Table: 1605
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 325697152
Equivalent to 19 /8s, 105 /16s and 190 /24s
Percentage of available RIPE address space announced: 74.7

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-44031
RIPE Address Blocks 62/8, 77/8, 78/7, 80/4, 193/8, 194/7, 212/7
and 217/8

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 16441
Total LACNIC prefixes after maximum aggregation: 4422
LACNIC Deaggregation factor: 3.72
Prefixes being announced from the LACNIC address blocks: 14536
Unique aggregates announced from the LACNIC address blocks: 7794
LACNIC Region origin ASes present in the Internet Routing Table: 858
LACNIC Prefixes per ASN: 16.94
LACNIC Region origin ASes announcing only one prefix: 282
LACNIC Region transit ASes present in the Internet Routing Table: 144
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 42168064
Equivalent to 2 /8s, 131 /16s and 111 /24s
Percentage of available LACNIC address space announced: 62.8

LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 2683
Total AfriNIC prefixes after maximum aggregation: 1021
AfriNIC Deaggregation factor: 2.63
Prefixes being announced from the AfriNIC address blocks: 2261
Unique aggregates announced from the AfriNIC address blocks: 1335
AfriNIC Region origin ASes present in the Internet Routing Table: 206
AfriNIC Prefixes per ASN: 10.98
AfriNIC Region origin ASes announcing only one prefix: 69
AfriNIC Region transit ASes present in the Internet Routing Table: 36
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 7426304
Equivalent to 0 /8s, 113 /16s and 81 /24s
Percentage of available AfriNIC address space announced: 22.1

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4755 1345 383 74 Videsh Sanchar Nigam Ltd. Aut
9583 1134 100 106 Sify Limited
4134 1071 11178 289 CHINANET-BACKBONE
9498 997 532 66 BHARTI BT INTERNET LTD.
4766 803 5441 319 Korea Telecom (KIX)
17488 796 52 55 Hathway IP Over Cable Interne
23577 786 34 682 Korea Telecom (ATM-MPLS)
7545 729 159 121 TPG Internet Pty Ltd
18101 595 119 50 Reliance Infocom Ltd Internet
4812 547 968 96 China Telecom (Shanghai)
1221 542 1951 424 Telstra Pty Ltd
4668 516 68 10 LG-EDS Systems Inc.
17676 503 10919 64 Softbank BB Corp.
4808 483 779 114 CNCGROUP IP network: China169
9443 464 122 77 Primus Telecommunications
4802 432 116 158 Wantree Development
7474 378 216 267 SingTel Optus Pty Ltd
17974 373 130 13 PT TELEKOMUNIKASI INDONESIA
4837 366 5104 167 chinanet IDC center beijing n
9829 363 258 14 BSNL National Internet Backbo

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
7018 1475 6074 993 AT&T WorldNet Services
4323 1324 992 373 Time Warner Telecom
2386 1214 618 748 AT&T Data Communications Serv
11492 1137 110 11 Cable One
6478 1132 324 169 AT&T Worldnet Services
6197 1028 718 511 BellSouth Network Solutions,
18566 1022 288 9 Covad Communications
174 975 6780 863 Cogent Communications
701 938 6577 716 UUNET Technologies, Inc.
7011 919 278 549 Citizens Utilities
20115 817 751 436 Charter Communications
1239 802 2718 563 Sprint
19262 775 2745 184 Verizon Global Networks
22773 762 2149 50 Cox Communications, Inc.
209 739 3836 584 Qwest
5668 657 176 23 CenturyTel Internet Holdings,
6517 590 165 37 Yipes Communications, Inc.
3356 587 10811 344 Level 3 Communications, LLC
852 576 1095 361 Telus Advanced Communications
15270 574 160 38 PaeTec.net -a division of Pae

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
702 492 1923 394 UUNET - Commercial IP service
24863 367 57 40 LINKdotNET AS number
9116 346 168 26 Goldenlines main autonomous s
3301 314 1456 294 TeliaNet Sweden
3320 314 6035 261 Deutsche Telekom AG
6746 287 130 263 Dynamic Network Technologies,
680 269 2045 257 DFN-IP service G-WiN
8708 262 420 241 Romania Data Systems S.A.
8220 260 445 243 COLT Telecommunications
3215 258 2424 98 France Telecom Transpac
8551 248 244 28 Bezeq International
3352 227 1868 38 Ibernet, Internet Access Netw
5089 222 1658 54 NTL Group Limited
3269 221 2775 73 TELECOM ITALIA
9121 214 1441 24 TTnet Autonomous System
3292 195 1379 175 TDC Tele Danmark
1257 192 1195 170 SWIPnet Swedish IP Network
3300 192 172 92 AUCS Communications Services
12479 192 578 6 Uni2 Autonomous System
3246 187 253 177 Song Networks

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8151 904 1974 205 UniNet S.A. de C.V.
11830 517 299 9 Instituto Costarricense de El
16814 426 26 9 NSS, S.A.
11172 371 114 57 Servicios Alestra S.A de C.V
7303 339 177 45 Telecom Argentina Stet-France
14522 333 28 7 SatNet S.A.
6471 322 75 33 ENTEL CHILE S.A.
22047 318 246 13 VTR PUNTO NET S.A.
14117 281 19 15 Telefonica del Sur S.A.
10481 278 104 9 Prima S.A.
11556 235 128 3 Cable-Wireless Panama
6147 227 178 24 Telefonica Del Peru
10620 223 62 23 TVCABLE BOGOTA
6503 201 170 82 AVANTEL, S.A.
23216 196 16 44 RAMtelecom Telecomunicaciones
20299 180 25 31 NEWCOM AMERICAS
8163 177 11 6 METROTEL REDES S.A.
7738 169 506 23 Telecomunicacoes da Bahia S.A
21826 168 30 59 INTERCABLE
19169 165 12 17 Telconet

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
3741 283 868 224 The Internet Solution
8452 222 188 7 TEDATA
2018 148 301 115 Tertiary Education Network
6713 142 135 11 Itissalat Al-MAGHRIB
33783 126 8 11 EEPAD TISP TELECOM & INTERNET
5536 124 8 10 Internet Egypt Network
33776 100 6 3 Starcomms Nigeria Limited
24835 87 48 6 RAYA Telecom - Egypt
15475 75 84 4 Nile Online
2905 74 174 71 The Internetworking Company o
23889 69 24 15 MAURITIUS TELECOM
2561 62 6 2 Egyptian Universities Network
33774 47 29 25 AS Number for Telecom Algeria
5713 46 294 36 Telkom SA Ltd
16637 46 21 29 Johnnic e-Ventures
8524 31 2 10 AUCEGYPT Autonomous System
12455 29 6 3 Jambonet Autonomous system
21280 29 4 4 Swift Global Kenya Ltd.Is an
10798 27 16 1 Standard Bank of South Africa
21491 24 17 2 UTL On-line is RF broadband I

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4755 1345 1271 Videsh Sanchar Nigam Ltd. Aut
11492 1137 1126 Cable One
9583 1134 1028 Sify Limited
18566 1022 1013 Covad Communications
6478 1132 963 AT&T Worldnet Services
4323 1324 951 Time Warner Telecom
9498 997 931 BHARTI BT INTERNET LTD.
4134 1071 782 CHINANET-BACKBONE
17488 796 741 Hathway IP Over Cable Interne
22773 762 712 Cox Communications, Inc.
8151 904 699 UniNet S.A. de C.V.
5668 657 634 CenturyTel Internet Holdings,
7545 729 608 TPG Internet Pty Ltd
19262 775 591 Verizon Global Networks
6517 590 553 Yipes Communications, Inc.
18101 595 545 Reliance Infocom Ltd Internet
15270 574 536 PaeTec.net -a division of Pae
6197 1028 517 BellSouth Network Solutions,
19916 568 517 OLM LLC
11830 517 508 Instituto Costarricense de El

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
64250 RESERVED 122.171.0.0/24 9498 BHARTI BT INTERNET L
64250 RESERVED 122.171.1.0/24 9498 BHARTI BT INTERNET L
64586 PRIVATE 192.170.73.0/24 4845 Chung Hsiao East Roa
64501 RESERVED 195.189.160.0/24 35041 Crystone Autonomous
64586 PRIVATE 202.165.137.0/24 4845 Chung Hsiao East Roa
64586 PRIVATE 202.165.140.0/24 4845 Chung Hsiao East Roa
64586 PRIVATE 202.165.141.0/24 4845 Chung Hsiao East Roa
64586 PRIVATE 202.165.142.0/24 4845 Chung Hsiao East Roa
64586 PRIVATE 202.165.143.0/24 4845 Chung Hsiao East Roa
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
7.1.1.0/24 1239 Sprint
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
172.33.1.0/24 7018 AT&T WorldNet Services
192.0.10.0/24 9498 BHARTI BT INTERNET LTD.
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.153.136.0/21 721 DLA Systems Automation Center
192.172.0.0/19 721 DLA Systems Automation Center

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:18 /9:9 /10:15 /11:38 /12:134
/13:260 /14:471 /15:919 /16:9620 /17:4069 /18:6596
/19:13963 /20:16197 /21:14868 /22:19127 /23:20067 /24:120967
/25:772 /26:1030 /27:505 /28:84 /29:5 /30:0
/31:0 /32:8

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6478 1131 1132 AT&T Worldnet Services
11492 1129 1137 Cable One
18566 1004 1022 Covad Communications
9583 968 1134 Sify Limited
2386 907 1214 AT&T Data Communications Serv
7018 816 1475 AT&T WorldNet Services
7011 813 919 Citizens Utilities
6197 781 1028 BellSouth Network Solutions,
23577 777 786 Korea Telecom (ATM-MPLS)
4755 727 1345 Videsh Sanchar Nigam Ltd. Aut
9498 669 997 BHARTI BT INTERNET LTD.
17488 619 796 Hathway IP Over Cable Interne
4766 601 803 Korea Telecom (KIX)
19916 563 568 OLM LLC
4323 557 1324 Time Warner Telecom
6517 556 590 Yipes Communications, Inc.
15270 538 574 PaeTec.net -a division of Pae
5668 522 657 CenturyTel Internet Holdings,
4668 506 516 LG-EDS Systems Inc.
18101 500 595 Reliance Infocom Ltd Internet

Number of /24s announced per /8 block (Global)
----------------------------------------------

4:8 7:1 8:86 12:1810 13:1 15:19
16:3 17:3 18:13 20:36 24:967 25:1
32:56 33:3 38:349 40:60 41:321 44:2
47:4 52:4 55:3 56:3 57:25 58:471
59:386 60:367 61:1016 62:927 63:2002 64:3189
65:2369 66:3402 67:804 68:658 69:1969 70:448
71:105 72:1396 73:2 74:642 75:262 76:128
77:330 78:48 80:826 81:826 82:576 83:357
84:607 85:805 86:340 87:488 88:279 89:973
90:25 91:522 97:5 116:315 117:154 118:9
121:270 122:595 123:170 124:644 125:988 128:274
129:216 130:139 131:363 132:55 133:9 134:197
135:34 136:189 137:81 138:153 139:72 140:499
141:173 142:379 143:255 144:299 145:46 146:329
147:123 148:412 149:148 150:110 151:159 152:87
153:119 154:3 155:260 156:160 157:214 158:158
159:171 160:113 161:96 162:175 163:180 164:476
165:394 166:275 167:297 168:515 169:123 170:387
171:22 172:2 189:71 190:1005 192:5742 193:3972
194:3191 195:2296 196:974 198:3823 199:3283 200:5094
201:1184 202:7371 203:7710 204:3928 205:1972 206:2418
207:2840 208:2815 209:3479 210:2458 211:1087 212:1314
213:1482 214:413 215:41 216:3987 217:1191 218:325
219:382 220:1028 221:415 222:262

End of report

cscora at apnic

Sep 8, 2007, 6:09 PM

Post #21 of 149 (12584 views)
Permalink

Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.apnic.net.

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 08 Sep, 2007

Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/09/08/0400

Analysis Summary
----------------

BGP routing table entries examined: 230454
Prefixes after maximum aggregation: 120354
Deaggregation factor: 1.91
Unique aggregates announced to Internet: 112054
Total ASes present in the Internet Routing Table: 26139
Prefixes per ASN: 8.82
Origin-only ASes present in the Internet Routing Table: 22752
Origin ASes announcing only one prefix: 11073
Transit ASes present in the Internet Routing Table: 3387
Transit-only ASes present in the Internet Routing Table: 78
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 20
Max AS path prepend of ASN (35389) 16
Prefixes from unregistered ASNs in the Routing Table: 7
Unregistered ASNs in the Routing Table: 4
Prefixes from 32-bit ASNs in the Routing Table: 6
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1758100960
Equivalent to 104 /8s, 202 /16s and 125 /24s
Percentage of available address space announced: 47.4
Percentage of allocated address space announced: 62.1
Percentage of available address space allocated: 76.4
Total number of prefixes smaller than registry allocations: 122119

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 53790
Total APNIC prefixes after maximum aggregation: 20883
APNIC Deaggregation factor: 2.58
Prefixes being announced from the APNIC address blocks: 50711
Unique aggregates announced from the APNIC address blocks: 22504
APNIC Region origin ASes present in the Internet Routing Table: 3050
APNIC Prefixes per ASN: 16.63
APNIC Region origin ASes announcing only one prefix: 808
APNIC Region transit ASes present in the Internet Routing Table: 467
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 313634464
Equivalent to 18 /8s, 177 /16s and 174 /24s
Percentage of available APNIC address space announced: 77.7

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 116/6, 120/6, 124/7, 126/8, 202/7
210/7, 218/7, 220/7 and 222/8

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 108969
Total ARIN prefixes after maximum aggregation: 63005
ARIN Deaggregation factor: 1.73
Prefixes being announced from the ARIN address blocks: 80277
Unique aggregates announced from the ARIN address blocks: 31941
ARIN Region origin ASes present in the Internet Routing Table: 11796
ARIN Prefixes per ASN: 6.81
ARIN Region origin ASes announcing only one prefix: 4510
ARIN Region transit ASes present in the Internet Routing Table: 1093
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 343819008
Equivalent to 20 /8s, 126 /16s and 67 /24s
Percentage of available ARIN address space announced: 75.9

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6,
208/7 and 216/8

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 48202
Total RIPE prefixes after maximum aggregation: 30972
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 44618
Unique aggregates announced from the RIPE address blocks: 29529
RIPE Region origin ASes present in the Internet Routing Table: 10148
RIPE Prefixes per ASN: 4.40
RIPE Region origin ASes announcing only one prefix: 5407
RIPE Region transit ASes present in the Internet Routing Table: 1613
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 326484864
Equivalent to 19 /8s, 117 /16s and 195 /24s
Percentage of available RIPE address space announced: 74.8

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-44031
RIPE Address Blocks 62/8, 77/8, 78/7, 80/4, 193/8, 194/7, 212/7
and 217/8

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 16740
Total LACNIC prefixes after maximum aggregation: 4459
LACNIC Deaggregation factor: 3.75
Prefixes being announced from the LACNIC address blocks: 14847
Unique aggregates announced from the LACNIC address blocks: 7851
LACNIC Region origin ASes present in the Internet Routing Table: 862
LACNIC Prefixes per ASN: 17.22
LACNIC Region origin ASes announcing only one prefix: 281
LACNIC Region transit ASes present in the Internet Routing Table: 145
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 42186752
Equivalent to 2 /8s, 131 /16s and 184 /24s
Percentage of available LACNIC address space announced: 62.9

LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 2740
Total AfriNIC prefixes after maximum aggregation: 1023
AfriNIC Deaggregation factor: 2.68
Prefixes being announced from the AfriNIC address blocks: 2297
Unique aggregates announced from the AfriNIC address blocks: 1333
AfriNIC Region origin ASes present in the Internet Routing Table: 204
AfriNIC Prefixes per ASN: 11.26
AfriNIC Region origin ASes announcing only one prefix: 67
AfriNIC Region transit ASes present in the Internet Routing Table: 35
Average AfriNIC Region AS path length visible: 4.1
Max AfriNIC Region AS path length visible: 20
Number of AfriNIC addresses announced to Internet: 7461888
Equivalent to 0 /8s, 113 /16s and 220 /24s
Percentage of available AfriNIC address space announced: 22.2

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4755 1352 383 71 Videsh Sanchar Nigam Ltd. Aut
9583 1124 81 409 Sify Limited
4134 1076 11228 293 CHINANET-BACKBONE
9498 999 532 64 BHARTI BT INTERNET LTD.
4766 808 5441 320 Korea Telecom (KIX)
17488 796 52 55 Hathway IP Over Cable Interne
23577 785 34 683 Korea Telecom (ATM-MPLS)
7545 724 159 121 TPG Internet Pty Ltd
18101 595 119 50 Reliance Infocom Ltd Internet
4812 550 971 98 China Telecom (Shanghai)
1221 534 1950 415 Telstra Pty Ltd
4668 516 68 10 LG-EDS Systems Inc.
17676 502 10903 63 Softbank BB Corp.
9443 468 122 77 Primus Telecommunications
4808 467 777 114 CNCGROUP IP network: China169
4802 438 117 154 Wantree Development
7474 378 216 266 SingTel Optus Pty Ltd
17974 376 130 13 PT TELEKOMUNIKASI INDONESIA
4837 366 5104 167 chinanet IDC center beijing n
9829 359 257 10 BSNL National Internet Backbo

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
7018 1478 6075 996 AT&T WorldNet Services
4323 1322 991 372 Time Warner Telecom
2386 1215 637 736 AT&T Data Communications Serv
11492 1140 111 12 Cable One
6478 1132 325 169 AT&T Worldnet Services
6197 1029 718 509 BellSouth Network Solutions,
18566 1023 288 9 Covad Communications
174 971 6780 860 Cogent Communications
701 939 6577 716 UUNET Technologies, Inc.
7011 921 278 550 Citizens Utilities
20115 817 751 436 Charter Communications
1239 803 2719 565 Sprint
19262 774 2745 183 Verizon Global Networks
22773 765 2149 50 Cox Communications, Inc.
209 746 3836 586 Qwest
5668 658 176 23 CenturyTel Internet Holdings,
3356 618 10812 353 Level 3 Communications, LLC
6517 595 165 37 Yipes Communications, Inc.
852 575 1095 361 Telus Advanced Communications
15270 574 160 38 PaeTec.net -a division of Pae

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
702 493 1923 395 UUNET - Commercial IP service
24863 367 57 40 LINKdotNET AS number
9116 351 168 26 Goldenlines main autonomous s
3320 315 6035 262 Deutsche Telekom AG
3301 314 1456 294 TeliaNet Sweden
6746 289 130 265 Dynamic Network Technologies,
680 267 2045 257 DFN-IP service G-WiN
8551 265 252 37 Bezeq International
8708 262 420 241 Romania Data Systems S.A.
3215 258 2424 98 France Telecom Transpac
8220 256 444 239 COLT Telecommunications
3352 227 1865 38 Ibernet, Internet Access Netw
5089 224 1658 54 NTL Group Limited
3269 223 2839 73 TELECOM ITALIA
9121 214 1441 24 TTnet Autonomous System
3292 196 1379 176 TDC Tele Danmark
12479 193 578 6 Uni2 Autonomous System
1257 192 1195 170 SWIPnet Swedish IP Network
3300 192 172 92 AUCS Communications Services
20858 186 34 3 EgyNet

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8151 902 1970 214 UniNet S.A. de C.V.
11830 514 299 9 Instituto Costarricense de El
16814 426 26 9 NSS, S.A.
11172 374 114 60 Servicios Alestra S.A de C.V
7303 340 162 49 Telecom Argentina Stet-France
6471 330 75 33 ENTEL CHILE S.A.
14522 327 28 7 SatNet S.A.
22047 317 246 13 VTR PUNTO NET S.A.
14117 281 19 15 Telefonica del Sur S.A.
10481 278 104 9 Prima S.A.
11664 271 30 13 Keytech SA
11556 235 128 3 Cable-Wireless Panama
10620 234 65 21 TVCABLE BOGOTA
6147 228 178 24 Telefonica Del Peru
6503 201 170 82 AVANTEL, S.A.
23216 196 17 46 RAMtelecom Telecomunicaciones
20299 180 25 31 NEWCOM AMERICAS
8163 177 11 6 METROTEL REDES S.A.
21826 171 30 58 INTERCABLE
7738 169 506 23 Telecomunicacoes da Bahia S.A

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
3741 286 870 226 The Internet Solution
8452 219 188 7 TEDATA
2018 149 301 115 Tertiary Education Network
6713 142 135 11 Itissalat Al-MAGHRIB
33783 126 8 11 EEPAD TISP TELECOM & INTERNET
5536 124 8 10 Internet Egypt Network
33776 100 6 3 Starcomms Nigeria Limited
24835 87 48 6 RAYA Telecom - Egypt
15475 76 84 4 Nile Online
2905 74 174 71 The Internetworking Company o
23889 69 24 15 MAURITIUS TELECOM
2561 62 6 2 Egyptian Universities Network
15706 56 12 4 Sudatel Internet Exchange Aut
33774 47 29 25 AS Number for Telecom Algeria
5713 46 294 36 Telkom SA Ltd
16637 42 21 29 Johnnic e-Ventures
8524 31 2 10 AUCEGYPT Autonomous System
12455 29 6 3 Jambonet Autonomous system
21280 29 4 4 Swift Global Kenya Ltd.Is an
10798 27 16 1 Standard Bank of South Africa

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4755 1352 1281 Videsh Sanchar Nigam Ltd. Aut
11492 1140 1128 Cable One
18566 1023 1014 Covad Communications
6478 1132 963 AT&T Worldnet Services
4323 1322 950 Time Warner Telecom
9498 999 935 BHARTI BT INTERNET LTD.
4134 1076 783 CHINANET-BACKBONE
17488 796 741 Hathway IP Over Cable Interne
9583 1124 715 Sify Limited
22773 765 715 Cox Communications, Inc.
8151 902 688 UniNet S.A. de C.V.
5668 658 635 CenturyTel Internet Holdings,
7545 724 603 TPG Internet Pty Ltd
19262 774 591 Verizon Global Networks
6517 595 558 Yipes Communications, Inc.
18101 595 545 Reliance Infocom Ltd Internet
15270 574 536 PaeTec.net -a division of Pae
6197 1029 520 BellSouth Network Solutions,
19916 568 517 OLM LLC
4668 516 506 LG-EDS Systems Inc.

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
64586 PRIVATE 192.170.73.0/24 4845 Chung Hsiao East Roa
64586 PRIVATE 202.165.137.0/24 4845 Chung Hsiao East Roa
64586 PRIVATE 202.165.140.0/24 4845 Chung Hsiao East Roa
64586 PRIVATE 202.165.141.0/24 4845 Chung Hsiao East Roa
64586 PRIVATE 202.165.142.0/24 4845 Chung Hsiao East Roa
64586 PRIVATE 202.165.143.0/24 4845 Chung Hsiao East Roa
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
7.1.1.0/24 1239 Sprint
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
172.33.1.0/24 7018 AT&T WorldNet Services
192.0.10.0/24 9498 BHARTI BT INTERNET LTD.
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.153.136.0/21 721 DLA Systems Automation Center
192.172.0.0/19 721 DLA Systems Automation Center

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:18 /9:9 /10:15 /11:37 /12:134
/13:261 /14:472 /15:921 /16:9616 /17:4074 /18:6613
/19:13985 /20:16226 /21:14904 /22:19174 /23:20080 /24:121504
/25:772 /26:1032 /27:507 /28:87 /29:5 /30:0
/31:0 /32:8

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
11492 1132 1140 Cable One
6478 1131 1132 AT&T Worldnet Services
18566 1005 1023 Covad Communications
9583 966 1124 Sify Limited
2386 906 1215 AT&T Data Communications Serv
7018 819 1478 AT&T WorldNet Services
7011 814 921 Citizens Utilities
6197 782 1029 BellSouth Network Solutions,
23577 776 785 Korea Telecom (ATM-MPLS)
4755 736 1352 Videsh Sanchar Nigam Ltd. Aut
9498 671 999 BHARTI BT INTERNET LTD.
17488 619 796 Hathway IP Over Cable Interne
4766 606 808 Korea Telecom (KIX)
19916 563 568 OLM LLC
6517 561 595 Yipes Communications, Inc.
4323 555 1322 Time Warner Telecom
15270 538 574 PaeTec.net -a division of Pae
5668 523 658 CenturyTel Internet Holdings,
4668 506 516 LG-EDS Systems Inc.
18101 501 595 Reliance Infocom Ltd Internet

Number of /24s announced per /8 block (Global)
----------------------------------------------

4:8 7:1 8:86 12:1804 13:1 15:19
16:3 17:3 18:13 20:36 24:967 25:1
32:56 33:3 38:346 40:60 41:321 44:2
47:4 52:4 55:3 56:3 57:24 58:473
59:392 60:367 61:1015 62:931 63:2005 64:3185
65:2370 66:3408 67:797 68:659 69:1974 70:444
71:105 72:1413 73:1 74:641 75:259 76:129
77:339 78:54 80:831 81:826 82:576 83:385
84:617 85:820 86:339 87:481 88:278 89:987
90:24 91:533 97:6 98:2 116:316 117:178
118:17 121:277 122:599 123:175 124:674 125:985
128:270 129:216 130:139 131:363 132:55 133:9
134:197 135:34 136:190 137:82 138:153 139:73
140:501 141:174 142:382 143:255 144:300 145:46
146:331 147:122 148:409 149:148 150:111 151:159
152:87 153:119 154:3 155:259 156:162 157:217
158:158 159:173 160:118 161:97 162:174 163:181
164:481 165:393 166:277 167:300 168:515 169:122
170:388 171:22 172:2 189:74 190:1083 192:5745
193:3982 194:3187 195:2288 196:975 198:3826 199:3286
200:5265 201:1188 202:7375 203:7707 204:3930 205:1967
206:2414 207:2882 208:2821 209:3495 210:2460 211:1084
212:1328 213:1476 214:415 215:41 216:3988 217:1197
218:328 219:382 220:1021 221:406 222:266

End of report

cscora at apnic

Sep 14, 2007, 11:03 AM

Post #22 of 149 (12541 views)
Permalink

Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.apnic.net.

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 15 Sep, 2007

Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/09/15/0400

Analysis Summary
----------------

BGP routing table entries examined: 230723
Prefixes after maximum aggregation: 120516
Deaggregation factor: 1.91
Unique aggregates announced to Internet: 112273
Total ASes present in the Internet Routing Table: 26196
Prefixes per ASN: 8.81
Origin-only ASes present in the Internet Routing Table: 22813
Origin ASes announcing only one prefix: 11115
Transit ASes present in the Internet Routing Table: 3383
Transit-only ASes present in the Internet Routing Table: 72
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 20
Max AS path prepend of ASN (35389) 16
Prefixes from unregistered ASNs in the Routing Table: 17
Unregistered ASNs in the Routing Table: 10
Prefixes from 32-bit ASNs in the Routing Table: 6
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1776529760
Equivalent to 105 /8s, 227 /16s and 177 /24s
Percentage of available address space announced: 47.9
Percentage of allocated address space announced: 62.8
Percentage of available address space allocated: 76.4
Total number of prefixes smaller than registry allocations: 122544

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 53768
Total APNIC prefixes after maximum aggregation: 20884
APNIC Deaggregation factor: 2.57
Prefixes being announced from the APNIC address blocks: 50695
Unique aggregates announced from the APNIC address blocks: 22534
APNIC Region origin ASes present in the Internet Routing Table: 3047
APNIC Prefixes per ASN: 16.64
APNIC Region origin ASes announcing only one prefix: 803
APNIC Region transit ASes present in the Internet Routing Table: 462
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 313705632
Equivalent to 18 /8s, 178 /16s and 196 /24s
Percentage of available APNIC address space announced: 77.7

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 116/6, 120/6, 124/7, 126/8, 202/7
210/7, 218/7, 220/7 and 222/8

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 108944
Total ARIN prefixes after maximum aggregation: 63047
ARIN Deaggregation factor: 1.73
Prefixes being announced from the ARIN address blocks: 80263
Unique aggregates announced from the ARIN address blocks: 31964
ARIN Region origin ASes present in the Internet Routing Table: 11828
ARIN Prefixes per ASN: 6.79
ARIN Region origin ASes announcing only one prefix: 4536
ARIN Region transit ASes present in the Internet Routing Table: 1091
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 345002880
Equivalent to 20 /8s, 144 /16s and 83 /24s
Percentage of available ARIN address space announced: 76.2

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6,
208/7 and 216/8

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 48429
Total RIPE prefixes after maximum aggregation: 31070
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 44838
Unique aggregates announced from the RIPE address blocks: 29638
RIPE Region origin ASes present in the Internet Routing Table: 10179
RIPE Prefixes per ASN: 4.40
RIPE Region origin ASes announcing only one prefix: 5429
RIPE Region transit ASes present in the Internet Routing Table: 1617
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 326794112
Equivalent to 19 /8s, 122 /16s and 123 /24s
Percentage of available RIPE address space announced: 74.9

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-44031
RIPE Address Blocks 62/8, 77/8, 78/7, 80/4, 193/8, 194/7, 212/7
and 217/8

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 16828
Total LACNIC prefixes after maximum aggregation: 4469
LACNIC Deaggregation factor: 3.77
Prefixes being announced from the LACNIC address blocks: 14925
Unique aggregates announced from the LACNIC address blocks: 7943
LACNIC Region origin ASes present in the Internet Routing Table: 864
LACNIC Prefixes per ASN: 17.27
LACNIC Region origin ASes announcing only one prefix: 280
LACNIC Region transit ASes present in the Internet Routing Table: 146
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 42266112
Equivalent to 2 /8s, 132 /16s and 238 /24s
Percentage of available LACNIC address space announced: 63.0

LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 2741
Total AfriNIC prefixes after maximum aggregation: 1034
AfriNIC Deaggregation factor: 2.65
Prefixes being announced from the AfriNIC address blocks: 2297
Unique aggregates announced from the AfriNIC address blocks: 1336
AfriNIC Region origin ASes present in the Internet Routing Table: 205
AfriNIC Prefixes per ASN: 11.20
AfriNIC Region origin ASes announcing only one prefix: 67
AfriNIC Region transit ASes present in the Internet Routing Table: 35
Average AfriNIC Region AS path length visible: 4.1
Max AfriNIC Region AS path length visible: 20
Number of AfriNIC addresses announced to Internet: 7463168
Equivalent to 0 /8s, 113 /16s and 225 /24s
Percentage of available AfriNIC address space announced: 22.2

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4755 1341 383 69 Videsh Sanchar Nigam Ltd. Aut
9583 1130 81 405 Sify Limited
4134 1077 11220 293 CHINANET-BACKBONE
9498 1001 532 64 BHARTI BT INTERNET LTD.
4766 809 5441 321 Korea Telecom (KIX)
17488 806 52 58 Hathway IP Over Cable Interne
23577 788 34 683 Korea Telecom (ATM-MPLS)
7545 723 159 120 TPG Internet Pty Ltd
18101 596 119 50 Reliance Infocom Ltd Internet
4812 547 974 94 China Telecom (Shanghai)
1221 537 1950 418 Telstra Pty Ltd
4668 517 68 10 LG-EDS Systems Inc.
17676 502 10903 63 Softbank BB Corp.
4808 486 779 116 CNCGROUP IP network: China169
9443 467 122 77 Primus Telecommunications
4802 437 117 153 Wantree Development
7474 381 218 268 SingTel Optus Pty Ltd
17974 378 130 13 PT TELEKOMUNIKASI INDONESIA
9829 359 257 10 BSNL National Internet Backbo
4837 356 5104 167 chinanet IDC center beijing n

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
7018 1469 6121 992 AT&T WorldNet Services
4323 1323 990 370 Time Warner Telecom
2386 1217 635 732 AT&T Data Communications Serv
11492 1146 112 17 Cable One
6478 1137 326 161 AT&T Worldnet Services
6197 1033 718 509 BellSouth Network Solutions,
18566 1024 288 9 Covad Communications
174 973 6780 859 Cogent Communications
7011 921 279 549 Citizens Utilities
701 874 6573 679 UUNET Technologies, Inc.
20115 821 753 440 Charter Communications
1239 803 2719 565 Sprint
19262 774 2745 184 Verizon Global Networks
22773 772 2149 50 Cox Communications, Inc.
209 751 3836 592 Qwest
5668 659 176 23 CenturyTel Internet Holdings,
3356 636 10817 362 Level 3 Communications, LLC
6517 590 165 35 Yipes Communications, Inc.
852 577 1096 362 Telus Advanced Communications
15270 576 160 38 PaeTec.net -a division of Pae

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
702 494 1923 396 UUNET - Commercial IP service
24863 367 57 40 LINKdotNET AS number
9116 351 168 26 Goldenlines main autonomous s
3301 318 1457 296 TeliaNet Sweden
3320 315 6035 262 Deutsche Telekom AG
6746 290 130 266 Dynamic Network Technologies,
680 269 2045 257 DFN-IP service G-WiN
8551 264 252 37 Bezeq International
8708 262 420 241 Romania Data Systems S.A.
3215 258 2424 98 France Telecom Transpac
8220 256 444 239 COLT Telecommunications
3352 229 1866 39 Ibernet, Internet Access Netw
5089 224 1658 54 NTL Group Limited
3269 223 2839 73 TELECOM ITALIA
9121 214 1441 24 TTnet Autonomous System
3292 197 1380 177 TDC Tele Danmark
3300 194 172 95 AUCS Communications Services
12479 194 578 6 Uni2 Autonomous System
1257 192 1195 170 SWIPnet Swedish IP Network
3246 186 253 176 Song Networks

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8151 902 1974 206 UniNet S.A. de C.V.
11830 514 299 9 Instituto Costarricense de El
16814 426 26 9 NSS, S.A.
11172 374 114 60 Servicios Alestra S.A de C.V
7303 350 166 52 Telecom Argentina Stet-France
6471 329 75 33 ENTEL CHILE S.A.
14522 329 28 7 SatNet S.A.
22047 317 246 13 VTR PUNTO NET S.A.
14117 284 19 15 Telefonica del Sur S.A.
10481 278 104 9 Prima S.A.
11664 276 30 13 Keytech SA
10620 235 65 22 TVCABLE BOGOTA
11556 235 128 3 Cable-Wireless Panama
6147 228 178 24 Telefonica Del Peru
6503 201 170 82 AVANTEL, S.A.
23216 197 17 46 RAMtelecom Telecomunicaciones
20299 180 25 31 NEWCOM AMERICAS
8163 177 11 6 METROTEL REDES S.A.
19169 171 12 18 Telconet
21826 171 30 58 INTERCABLE

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
3741 285 870 226 The Internet Solution
8452 219 188 7 TEDATA
6713 142 135 11 Itissalat Al-MAGHRIB
2018 140 301 115 Tertiary Education Network
33783 125 8 12 EEPAD TISP TELECOM & INTERNET
5536 124 8 10 Internet Egypt Network
33776 100 6 3 Starcomms Nigeria Limited
24835 87 48 6 RAYA Telecom - Egypt
15475 76 84 4 Nile Online
2905 75 174 72 The Internetworking Company o
23889 69 24 15 MAURITIUS TELECOM
2561 62 6 2 Egyptian Universities Network
15706 56 12 4 Sudatel Internet Exchange Aut
33774 47 29 25 AS Number for Telecom Algeria
5713 46 294 36 Telkom SA Ltd
16637 42 21 29 Johnnic e-Ventures
8524 30 2 13 AUCEGYPT Autonomous System
21280 29 4 4 Swift Global Kenya Ltd.Is an
12455 28 6 3 Jambonet Autonomous system
10798 27 16 1 Standard Bank of South Africa

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4755 1341 1272 Videsh Sanchar Nigam Ltd. Aut
11492 1146 1129 Cable One
18566 1024 1015 Covad Communications
6478 1137 976 AT&T Worldnet Services
4323 1323 953 Time Warner Telecom
9498 1001 937 BHARTI BT INTERNET LTD.
4134 1077 784 CHINANET-BACKBONE
17488 806 748 Hathway IP Over Cable Interne
9583 1130 725 Sify Limited
22773 772 722 Cox Communications, Inc.
8151 902 696 UniNet S.A. de C.V.
5668 659 636 CenturyTel Internet Holdings,
7545 723 603 TPG Internet Pty Ltd
19262 774 590 Verizon Global Networks
6517 590 555 Yipes Communications, Inc.
18101 596 546 Reliance Infocom Ltd Internet
15270 576 538 PaeTec.net -a division of Pae
6197 1033 524 BellSouth Network Solutions,
19916 568 517 OLM LLC
4668 517 507 LG-EDS Systems Inc.

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
43460 UNALLOCATED 77.75.64.0/24 39180 SARL MWSP
43200 UNALLOCATED 81.26.32.0/19 15659 NEXTGENTEL Autonomou
43200 UNALLOCATED 85.89.192.0/19 15659 NEXTGENTEL Autonomou
43408 UNALLOCATED 87.238.207.0/24 31742 Sotaconnect UK
42789 UNALLOCATED 91.150.224.0/19 16095 Jay.net autonomous S
43618 UNALLOCATED 91.195.74.0/23 43576 LTD "KuMIR TELECOM"
64586 PRIVATE 192.170.73.0/24 4845 Chung Hsiao East Roa
42789 UNALLOCATED 193.33.190.0/23 16095 Jay.net autonomous S
43200 UNALLOCATED 193.161.232.0/22 15659 NEXTGENTEL Autonomou
43200 UNALLOCATED 193.161.252.0/24 15659 NEXTGENTEL Autonomou
43311 UNALLOCATED 195.248.250.0/23 174 Cogent Communication
64586 PRIVATE 202.165.137.0/24 4845 Chung Hsiao East Roa
64586 PRIVATE 202.165.140.0/24 4845 Chung Hsiao East Roa
64586 PRIVATE 202.165.141.0/24 4845 Chung Hsiao East Roa
64586 PRIVATE 202.165.142.0/24 4845 Chung Hsiao East Roa
64586 PRIVATE 202.165.143.0/24 4845 Chung Hsiao East Roa
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
7.1.1.0/24 1239 Sprint
101.13.13.0/24 8764 LIETUVOS-TELEKOMAS Autonomous
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
172.33.1.0/24 7018 AT&T WorldNet Services
192.0.10.0/24 9498 BHARTI BT INTERNET LTD.
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.153.136.0/21 721 DLA Systems Automation Center
192.172.0.0/19 721 DLA Systems Automation Center

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:9 /10:15 /11:37 /12:135
/13:262 /14:471 /15:922 /16:9614 /17:4075 /18:6622
/19:13957 /20:16253 /21:14957 /22:19245 /23:20167 /24:121574
/25:760 /26:1020 /27:514 /28:82 /29:5 /30:0
/31:0 /32:8

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
11492 1138 1146 Cable One
6478 1136 1137 AT&T Worldnet Services
18566 1006 1024 Covad Communications
9583 972 1130 Sify Limited
2386 909 1217 AT&T Data Communications Serv
7018 820 1469 AT&T WorldNet Services
7011 813 921 Citizens Utilities
6197 786 1033 BellSouth Network Solutions,
23577 779 788 Korea Telecom (ATM-MPLS)
4755 749 1341 Videsh Sanchar Nigam Ltd. Aut
9498 673 1001 BHARTI BT INTERNET LTD.
17488 629 806 Hathway IP Over Cable Interne
4766 607 809 Korea Telecom (KIX)
19916 563 568 OLM LLC
6517 555 590 Yipes Communications, Inc.
4323 554 1323 Time Warner Telecom
15270 540 576 PaeTec.net -a division of Pae
5668 524 659 CenturyTel Internet Holdings,
4668 507 517 LG-EDS Systems Inc.
18101 502 596 Reliance Infocom Ltd Internet

Number of /24s announced per /8 block (Global)
----------------------------------------------

4:8 7:1 8:80 12:1804 13:1 15:20
16:3 17:3 18:13 20:36 24:966 25:1
32:60 33:3 38:348 40:60 41:321 44:2
47:4 52:4 55:3 56:3 57:24 58:473
59:406 60:369 61:993 62:920 63:2016 64:3199
65:2388 66:3408 67:800 68:661 69:1975 70:447
71:105 72:1399 73:4 74:652 75:259 76:125
77:348 78:156 80:830 81:831 82:586 83:361
84:621 85:816 86:343 87:517 88:279 89:978
90:24 91:548 96:1 97:6 98:2 101:1
116:322 117:172 118:19 121:289 122:606 123:176
124:663 125:988 128:271 129:212 130:139 131:361
132:55 133:9 134:197 135:34 136:188 137:82
138:154 139:74 140:505 141:174 142:384 143:255
144:304 145:46 146:331 147:125 148:414 149:148
150:111 151:159 152:87 153:119 154:3 155:259
156:161 157:218 158:158 159:173 160:120 161:95
162:175 163:182 164:485 165:396 166:284 167:298
168:516 169:122 170:388 171:22 172:2 189:74
190:1104 192:5703 193:3993 194:3198 195:2281 196:971
198:3820 199:3216 200:5283 201:1195 202:7364 203:7709
204:3905 205:1973 206:2416 207:2847 208:2843 209:3463
210:2470 211:1088 212:1313 213:1473 214:420 215:44
216:3983 217:1198 218:323 219:372 220:1011 221:413
222:263

End of report

cscora at apnic

Sep 21, 2007, 11:03 AM

Post #23 of 149 (12469 views)
Permalink

Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.apnic.net.

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 22 Sep, 2007

Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/09/22/0400

Analysis Summary
----------------

BGP routing table entries examined: 231986
Prefixes after maximum aggregation: 120745
Deaggregation factor: 1.92
Unique aggregates announced to Internet: 112862
Total ASes present in the Internet Routing Table: 26255
Prefixes per ASN: 8.84
Origin-only ASes present in the Internet Routing Table: 22860
Origin ASes announcing only one prefix: 11131
Transit ASes present in the Internet Routing Table: 3395
Transit-only ASes present in the Internet Routing Table: 76
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 21
Max AS path prepend of ASN (35389) 16
Prefixes from unregistered ASNs in the Routing Table: 2
Unregistered ASNs in the Routing Table: 5
Prefixes from 32-bit ASNs in the Routing Table: 7
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1783351136
Equivalent to 106 /8s, 75 /16s and 199 /24s
Percentage of available address space announced: 48.1
Percentage of allocated address space announced: 63.0
Percentage of available address space allocated: 76.4
Total number of prefixes smaller than registry allocations: 123343

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 54231
Total APNIC prefixes after maximum aggregation: 20944
APNIC Deaggregation factor: 2.59
Prefixes being announced from the APNIC address blocks: 51145
Unique aggregates announced from the APNIC address blocks: 22753
APNIC Region origin ASes present in the Internet Routing Table: 3057
APNIC Prefixes per ASN: 16.73
APNIC Region origin ASes announcing only one prefix: 808
APNIC Region transit ASes present in the Internet Routing Table: 470
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 318780832
Equivalent to 19 /8s, 0 /16s and 53 /24s
Percentage of available APNIC address space announced: 79.0

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 116/6, 120/6, 124/7, 126/8, 202/7
210/7, 218/7, 220/7 and 222/8

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 109463
Total ARIN prefixes after maximum aggregation: 63160
ARIN Deaggregation factor: 1.73
Prefixes being announced from the ARIN address blocks: 80732
Unique aggregates announced from the ARIN address blocks: 32052
ARIN Region origin ASes present in the Internet Routing Table: 11836
ARIN Prefixes per ASN: 6.82
ARIN Region origin ASes announcing only one prefix: 4535
ARIN Region transit ASes present in the Internet Routing Table: 1088
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 345744512
Equivalent to 20 /8s, 155 /16s and 164 /24s
Percentage of available ARIN address space announced: 76.3

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6,
208/7 and 216/8

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 48640
Total RIPE prefixes after maximum aggregation: 31137
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 45021
Unique aggregates announced from the RIPE address blocks: 29840
RIPE Region origin ASes present in the Internet Routing Table: 10213
RIPE Prefixes per ASN: 4.41
RIPE Region origin ASes announcing only one prefix: 5444
RIPE Region transit ASes present in the Internet Routing Table: 1621
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 327550592
Equivalent to 19 /8s, 134 /16s and 6 /24s
Percentage of available RIPE address space announced: 75.1

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055
RIPE Address Blocks 62/8, 77/8, 78/7, 80/4, 193/8, 194/7, 212/7
and 217/8

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 16943
Total LACNIC prefixes after maximum aggregation: 4466
LACNIC Deaggregation factor: 3.79
Prefixes being announced from the LACNIC address blocks: 15047
Unique aggregates announced from the LACNIC address blocks: 8004
LACNIC Region origin ASes present in the Internet Routing Table: 867
LACNIC Prefixes per ASN: 17.36
LACNIC Region origin ASes announcing only one prefix: 277
LACNIC Region transit ASes present in the Internet Routing Table: 148
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 42459136
Equivalent to 2 /8s, 135 /16s and 224 /24s
Percentage of available LACNIC address space announced: 63.3

LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 2700
Total AfriNIC prefixes after maximum aggregation: 1024
AfriNIC Deaggregation factor: 2.64
Prefixes being announced from the AfriNIC address blocks: 2288
Unique aggregates announced from the AfriNIC address blocks: 1361
AfriNIC Region origin ASes present in the Internet Routing Table: 205
AfriNIC Prefixes per ASN: 11.16
AfriNIC Region origin ASes announcing only one prefix: 67
AfriNIC Region transit ASes present in the Internet Routing Table: 37
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 7458304
Equivalent to 0 /8s, 113 /16s and 206 /24s
Percentage of available AfriNIC address space announced: 22.2

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4755 1349 383 69 Videsh Sanchar Nigam Ltd. Aut
9583 1127 81 405 Sify Limited
4134 1077 11219 292 CHINANET-BACKBONE
9498 1007 532 65 BHARTI BT INTERNET LTD.
17488 810 53 59 Hathway IP Over Cable Interne
4766 809 5441 321 Korea Telecom (KIX)
23577 785 34 681 Korea Telecom (ATM-MPLS)
7545 724 159 120 TPG Internet Pty Ltd
18101 598 119 50 Reliance Infocom Ltd Internet
4812 547 974 94 China Telecom (Shanghai)
1221 538 1950 419 Telstra Pty Ltd
9829 530 1312 9 BSNL National Internet Backbo
4668 517 68 10 LG-EDS Systems Inc.
17676 502 10903 63 Softbank BB Corp.
4808 491 781 118 CNCGROUP IP network: China169
9443 467 122 77 Primus Telecommunications
4802 441 133 154 Wantree Development
7474 382 218 270 SingTel Optus Pty Ltd
17974 363 130 13 PT TELEKOMUNIKASI INDONESIA
4837 356 5120 168 chinanet IDC center beijing n

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
7018 1479 6122 999 AT&T WorldNet Services
4323 1343 990 370 Time Warner Telecom
2386 1216 635 730 AT&T Data Communications Serv
11492 1149 112 15 Cable One
6478 1129 328 134 AT&T Worldnet Services
6197 1032 718 508 BellSouth Network Solutions,
18566 1027 288 9 Covad Communications
174 967 6780 856 Cogent Communications
7011 940 285 558 Citizens Utilities
701 877 6574 683 UUNET Technologies, Inc.
20115 823 755 440 Charter Communications
1239 803 2720 565 Sprint
19262 778 2758 190 Verizon Global Networks
22773 771 2148 50 Cox Communications, Inc.
209 742 3834 586 Qwest
3356 659 10820 367 Level 3 Communications, LLC
5668 656 176 23 CenturyTel Internet Holdings,
6517 592 165 36 Yipes Communications, Inc.
852 584 1112 363 Telus Advanced Communications
15270 579 160 38 PaeTec.net -a division of Pae

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
702 493 1923 395 UUNET - Commercial IP service
24863 369 57 39 LINKdotNET AS number
9116 346 168 27 Goldenlines main autonomous s
3301 319 1457 296 TeliaNet Sweden
3320 314 6035 261 Deutsche Telekom AG
8551 297 284 38 Bezeq International
6746 290 131 266 Dynamic Network Technologies,
680 269 2045 257 DFN-IP service G-WiN
8708 263 421 242 Romania Data Systems S.A.
3215 261 2456 98 France Telecom Transpac
8220 256 444 239 COLT Telecommunications
3352 227 1882 40 Ibernet, Internet Access Netw
5089 224 1658 54 NTL Group Limited
3269 223 2839 73 TELECOM ITALIA
9121 217 1442 25 TTnet Autonomous System
3292 197 1380 177 TDC Tele Danmark
3300 196 172 95 AUCS Communications Services
12479 194 578 6 Uni2 Autonomous System
1257 192 1195 170 SWIPnet Swedish IP Network
3246 187 253 177 Song Networks

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8151 921 1974 206 UniNet S.A. de C.V.
11830 514 299 9 Instituto Costarricense de El
16814 426 26 9 NSS, S.A.
11172 374 114 60 Servicios Alestra S.A de C.V
7303 352 166 50 Telecom Argentina Stet-France
6471 329 75 33 ENTEL CHILE S.A.
14522 329 28 7 SatNet S.A.
22047 317 246 13 VTR PUNTO NET S.A.
14117 284 19 15 Telefonica del Sur S.A.
10481 278 104 9 Prima S.A.
11664 277 30 13 Keytech SA
11556 237 128 4 Cable-Wireless Panama
10620 235 65 22 TVCABLE BOGOTA
6147 228 178 24 Telefonica Del Peru
6503 200 170 82 AVANTEL, S.A.
23216 198 17 46 RAMtelecom Telecomunicaciones
20299 178 25 30 NEWCOM AMERICAS
8163 177 11 6 METROTEL REDES S.A.
19169 175 12 19 Telconet
21826 173 31 59 INTERCABLE

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
3741 284 870 226 The Internet Solution
8452 219 188 7 TEDATA
6713 142 135 11 Itissalat Al-MAGHRIB
2018 140 301 115 Tertiary Education Network
33783 125 8 12 EEPAD TISP TELECOM & INTERNET
5536 124 8 10 Internet Egypt Network
33776 100 6 3 Starcomms Nigeria Limited
24835 87 48 6 RAYA Telecom - Egypt
15475 76 84 4 Nile Online
2905 75 174 72 The Internetworking Company o
23889 73 24 15 MAURITIUS TELECOM
15706 56 12 4 Sudatel Internet Exchange Aut
33774 47 29 25 AS Number for Telecom Algeria
5713 46 294 36 Telkom SA Ltd
16637 42 21 29 Johnnic e-Ventures
12455 35 6 3 Jambonet Autonomous system
8524 31 2 10 AUCEGYPT Autonomous System
21280 29 4 4 Swift Global Kenya Ltd.Is an
10798 27 16 1 Standard Bank of South Africa
29975 26 10 9 Vodacom

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4755 1349 1280 Videsh Sanchar Nigam Ltd. Aut
11492 1149 1134 Cable One
18566 1027 1018 Covad Communications
6478 1129 995 AT&T Worldnet Services
4323 1343 973 Time Warner Telecom
9498 1007 942 BHARTI BT INTERNET LTD.
4134 1077 785 CHINANET-BACKBONE
17488 810 751 Hathway IP Over Cable Interne
9583 1127 722 Sify Limited
22773 771 721 Cox Communications, Inc.
8151 921 715 UniNet S.A. de C.V.
5668 656 633 CenturyTel Internet Holdings,
7545 724 604 TPG Internet Pty Ltd
19262 778 588 Verizon Global Networks
6517 592 556 Yipes Communications, Inc.
18101 598 548 Reliance Infocom Ltd Internet
15270 579 541 PaeTec.net -a division of Pae
6197 1032 524 BellSouth Network Solutions,
9829 530 521 BSNL National Internet Backbo
19916 568 517 OLM LLC

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
65501 PRIVATE 202.153.21.0/24 23666 PT Sistelindo Mitral
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
101.13.13.0/24 8764 LIETUVOS-TELEKOMAS Autonomous
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
172.33.1.0/24 7018 AT&T WorldNet Services
192.0.10.0/24 9498 BHARTI BT INTERNET LTD.
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.153.136.0/21 721 DLA Systems Automation Center
192.172.0.0/19 721 DLA Systems Automation Center

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:9 /10:16 /11:37 /12:135
/13:262 /14:473 /15:922 /16:9621 /17:4089 /18:6651
/19:13997 /20:16498 /21:15034 /22:19460 /23:20318 /24:122056
/25:757 /26:1019 /27:513 /28:87 /29:5 /30:0
/31:0 /32:8

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
11492 1141 1149 Cable One
6478 1128 1129 AT&T Worldnet Services
18566 1009 1027 Covad Communications
9583 969 1127 Sify Limited
2386 908 1216 AT&T Data Communications Serv
7011 830 940 Citizens Utilities
7018 823 1479 AT&T WorldNet Services
6197 785 1032 BellSouth Network Solutions,
23577 776 785 Korea Telecom (ATM-MPLS)
4755 754 1349 Videsh Sanchar Nigam Ltd. Aut
9498 679 1007 BHARTI BT INTERNET LTD.
17488 633 810 Hathway IP Over Cable Interne
4766 607 809 Korea Telecom (KIX)
4323 578 1343 Time Warner Telecom
19916 563 568 OLM LLC
6517 557 592 Yipes Communications, Inc.
15270 543 579 PaeTec.net -a division of Pae
5668 521 656 CenturyTel Internet Holdings,
4668 507 517 LG-EDS Systems Inc.
18101 503 598 Reliance Infocom Ltd Internet

Number of /24s announced per /8 block (Global)
----------------------------------------------

4:8 8:82 12:1785 13:1 15:20 16:3
17:3 18:13 20:37 24:967 25:1 32:60
33:3 38:349 40:60 41:319 44:2 47:4
52:4 55:3 56:3 57:23 58:474 59:403
60:367 61:992 62:938 63:2012 64:3230 65:2375
66:3507 67:806 68:670 69:1996 70:449 71:106
72:1432 73:5 74:662 75:260 76:127 77:353
78:164 80:833 81:834 82:569 83:364 84:623
85:820 86:341 87:521 88:281 89:994 90:24
91:560 97:6 101:1 116:360 117:158 118:19
121:300 122:614 123:192 124:675 125:1005 128:271
129:213 130:137 131:366 132:54 133:9 134:196
135:34 136:187 137:83 138:153 139:74 140:505
141:177 142:383 143:256 144:306 145:47 146:331
147:125 148:415 149:156 150:107 151:158 152:89
153:119 154:3 155:259 156:161 157:219 158:160
159:173 160:134 161:102 162:172 163:182 164:487
165:395 166:285 167:298 168:499 169:123 170:389
171:22 172:2 189:74 190:1135 192:5705 193:3952
194:3193 195:2298 196:962 198:3814 199:3220 200:5307
201:1197 202:7386 203:7734 204:3912 205:1999 206:2418
207:2845 208:2844 209:3487 210:2464 211:1086 212:1314
213:1484 214:420 215:45 216:4008 217:1195 218:321
219:371 220:1003 221:415 222:260

End of report

cscora at apnic

Sep 28, 2007, 11:03 AM

Post #24 of 149 (12391 views)
Permalink

Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.apnic.net.

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 29 Sep, 2007

Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/09/29/0400

Analysis Summary
----------------

BGP routing table entries examined: 233332
Prefixes after maximum aggregation: 121009
Deaggregation factor: 1.93
Unique aggregates announced to Internet: 113214
Total ASes present in the Internet Routing Table: 26304
Prefixes per ASN: 8.87
Origin-only ASes present in the Internet Routing Table: 22901
Origin ASes announcing only one prefix: 11173
Transit ASes present in the Internet Routing Table: 3403
Transit-only ASes present in the Internet Routing Table: 73
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 22
Max AS path prepend of ASN (35389) 16
Prefixes from unregistered ASNs in the Routing Table: 21
Unregistered ASNs in the Routing Table: 7
Prefixes from 32-bit ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1787287392
Equivalent to 106 /8s, 135 /16s and 215 /24s
Percentage of available address space announced: 48.2
Percentage of allocated address space announced: 63.1
Percentage of available address space allocated: 76.4
Total number of prefixes smaller than registry allocations: 124191

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 54550
Total APNIC prefixes after maximum aggregation: 20985
APNIC Deaggregation factor: 2.60
Prefixes being announced from the APNIC address blocks: 51477
Unique aggregates announced from the APNIC address blocks: 22764
APNIC Region origin ASes present in the Internet Routing Table: 3064
APNIC Prefixes per ASN: 16.80
APNIC Region origin ASes announcing only one prefix: 812
APNIC Region transit ASes present in the Internet Routing Table: 474
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 319989664
Equivalent to 19 /8s, 18 /16s and 167 /24s
Percentage of available APNIC address space announced: 79.3

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 116/6, 120/6, 124/7, 126/8, 202/7
210/7, 218/7, 220/7 and 222/8

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 109895
Total ARIN prefixes after maximum aggregation: 63243
ARIN Deaggregation factor: 1.74
Prefixes being announced from the ARIN address blocks: 81066
Unique aggregates announced from the ARIN address blocks: 32140
ARIN Region origin ASes present in the Internet Routing Table: 11850
ARIN Prefixes per ASN: 6.84
ARIN Region origin ASes announcing only one prefix: 4549
ARIN Region transit ASes present in the Internet Routing Table: 1089
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 14
Number of ARIN addresses announced to Internet: 346033280
Equivalent to 20 /8s, 160 /16s and 12 /24s
Percentage of available ARIN address space announced: 76.4

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6,
208/7 and 216/8

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 48930
Total RIPE prefixes after maximum aggregation: 31225
RIPE Deaggregation factor: 1.57
Prefixes being announced from the RIPE address blocks: 45305
Unique aggregates announced from the RIPE address blocks: 29867
RIPE Region origin ASes present in the Internet Routing Table: 10244
RIPE Prefixes per ASN: 4.42
RIPE Region origin ASes announcing only one prefix: 5467
RIPE Region transit ASes present in the Internet Routing Table: 1623
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 329301120
Equivalent to 19 /8s, 160 /16s and 188 /24s
Percentage of available RIPE address space announced: 75.5

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055
RIPE Address Blocks 62/8, 77/8, 78/7, 80/4, 193/8, 194/7, 212/7
and 217/8

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 17229
Total LACNIC prefixes after maximum aggregation: 4516
LACNIC Deaggregation factor: 3.82
Prefixes being announced from the LACNIC address blocks: 15244
Unique aggregates announced from the LACNIC address blocks: 8195
LACNIC Region origin ASes present in the Internet Routing Table: 867
LACNIC Prefixes per ASN: 17.58
LACNIC Region origin ASes announcing only one prefix: 275
LACNIC Region transit ASes present in the Internet Routing Table: 148
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 43546624
Equivalent to 2 /8s, 152 /16s and 120 /24s
Percentage of available LACNIC address space announced: 64.9

LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 2699
Total AfriNIC prefixes after maximum aggregation: 1024
AfriNIC Deaggregation factor: 2.64
Prefixes being announced from the AfriNIC address blocks: 2291
Unique aggregates announced from the AfriNIC address blocks: 1364
AfriNIC Region origin ASes present in the Internet Routing Table: 205
AfriNIC Prefixes per ASN: 11.18
AfriNIC Region origin ASes announcing only one prefix: 70
AfriNIC Region transit ASes present in the Internet Routing Table: 35
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 7460096
Equivalent to 0 /8s, 113 /16s and 213 /24s
Percentage of available AfriNIC address space announced: 22.2

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4755 1423 383 67 Videsh Sanchar Nigam Ltd. Aut
9583 1126 81 413 Sify Limited
4134 1077 11403 294 CHINANET-BACKBONE
9498 1002 533 66 BHARTI BT INTERNET LTD.
17488 816 53 61 Hathway IP Over Cable Interne
4766 809 5441 321 Korea Telecom (KIX)
23577 791 34 685 Korea Telecom (ATM-MPLS)
7545 731 159 118 TPG Internet Pty Ltd
18101 600 119 50 Reliance Infocom Ltd Internet
4802 576 131 149 Wantree Development
4812 548 974 94 China Telecom (Shanghai)
1221 539 1950 420 Telstra Pty Ltd
9829 530 1312 9 BSNL National Internet Backbo
4668 517 68 10 LG-EDS Systems Inc.
17676 502 10903 63 Softbank BB Corp.
4808 490 783 119 CNCGROUP IP network: China169
9443 467 122 77 Primus Telecommunications
7474 381 218 268 SingTel Optus Pty Ltd
17974 362 130 13 PT TELEKOMUNIKASI INDONESIA
4837 357 5136 169 chinanet IDC center beijing n

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
7018 1474 6106 987 AT&T WorldNet Services
4323 1400 991 366 Time Warner Telecom
2386 1220 635 732 AT&T Data Communications Serv
11492 1152 113 17 Cable One
6478 1131 328 137 AT&T Worldnet Services
6197 1030 718 508 BellSouth Network Solutions,
18566 1028 288 9 Covad Communications
174 965 6779 844 Cogent Communications
7011 944 287 559 Citizens Utilities
701 873 6573 681 UUNET Technologies, Inc.
20115 830 762 441 Charter Communications
1239 800 2720 564 Sprint
19262 780 2766 189 Verizon Global Networks
22773 777 2149 52 Cox Communications, Inc.
209 740 3818 584 Qwest
3356 674 10820 373 Level 3 Communications, LLC
5668 655 176 23 CenturyTel Internet Holdings,
6517 586 165 36 Yipes Communications, Inc.
852 581 1095 360 Telus Advanced Communications
15270 580 160 38 PaeTec.net -a division of Pae

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
702 491 1921 393 UUNET - Commercial IP service
24863 371 58 37 LINKdotNET AS number
9116 353 168 27 Goldenlines main autonomous s
3301 317 1457 294 TeliaNet Sweden
3320 313 6035 260 Deutsche Telekom AG
8551 296 284 38 Bezeq International
6746 290 131 266 Dynamic Network Technologies,
680 269 2045 257 DFN-IP service G-WiN
8866 265 62 22 Bulgarian Telecommunication C
8708 263 421 242 Romania Data Systems S.A.
3215 262 2472 99 France Telecom Transpac
8220 255 444 238 COLT Telecommunications
3352 230 1882 40 Ibernet, Internet Access Netw
5089 224 1658 54 NTL Group Limited
3269 223 2839 73 TELECOM ITALIA
9121 217 1442 25 TTnet Autonomous System
3300 197 172 96 AUCS Communications Services
3292 196 1380 176 TDC Tele Danmark
1257 194 1195 171 SWIPnet Swedish IP Network
12479 194 578 6 Uni2 Autonomous System

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8151 1018 2157 211 UniNet S.A. de C.V.
11830 514 299 9 Instituto Costarricense de El
16814 426 26 9 NSS, S.A.
11172 378 114 60 Servicios Alestra S.A de C.V
7303 352 166 50 Telecom Argentina Stet-France
14522 345 29 8 SatNet S.A.
6471 337 75 33 ENTEL CHILE S.A.
22047 317 246 13 VTR PUNTO NET S.A.
14117 287 19 15 Telefonica del Sur S.A.
11664 278 30 13 Keytech SA
10481 261 104 9 Prima S.A.
10620 238 66 24 TVCABLE BOGOTA
11556 237 128 4 Cable-Wireless Panama
6147 229 178 24 Telefonica Del Peru
6503 206 171 83 AVANTEL, S.A.
23216 196 16 44 RAMtelecom Telecomunicaciones
20299 178 25 30 NEWCOM AMERICAS
8163 177 11 6 METROTEL REDES S.A.
19169 176 12 19 Telconet
28573 175 272 18 NET Servicos de Comunicao S.A

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
3741 277 869 225 The Internet Solution
8452 220 188 7 TEDATA
6713 142 135 11 Itissalat Al-MAGHRIB
2018 140 299 115 Tertiary Education Network
33783 125 8 12 EEPAD TISP TELECOM & INTERNET
5536 124 8 10 Internet Egypt Network
33776 100 6 3 Starcomms Nigeria Limited
24835 87 48 6 RAYA Telecom - Egypt
15475 76 84 4 Nile Online
2905 75 174 72 The Internetworking Company o
23889 73 24 15 MAURITIUS TELECOM
15706 56 12 4 Sudatel Internet Exchange Aut
33774 47 29 25 AS Number for Telecom Algeria
5713 46 294 36 Telkom SA Ltd
16637 42 21 29 Johnnic e-Ventures
12455 37 6 3 Jambonet Autonomous system
8524 31 2 10 AUCEGYPT Autonomous System
10798 27 16 1 Standard Bank of South Africa
29975 26 10 9 Vodacom
15804 24 2 1 AS of The Way Out Internet So

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4755 1423 1356 Videsh Sanchar Nigam Ltd. Aut
11492 1152 1135 Cable One
4323 1400 1034 Time Warner Telecom
18566 1028 1019 Covad Communications
6478 1131 994 AT&T Worldnet Services
9498 1002 936 BHARTI BT INTERNET LTD.
8151 1018 807 UniNet S.A. de C.V.
4134 1077 783 CHINANET-BACKBONE
17488 816 755 Hathway IP Over Cable Interne
22773 777 725 Cox Communications, Inc.
9583 1126 713 Sify Limited
5668 655 632 CenturyTel Internet Holdings,
7545 731 613 TPG Internet Pty Ltd
19262 780 591 Verizon Global Networks
18101 600 550 Reliance Infocom Ltd Internet
6517 586 550 Yipes Communications, Inc.
15270 580 542 PaeTec.net -a division of Pae
6197 1030 522 BellSouth Network Solutions,
9829 530 521 BSNL National Internet Backbo
19916 568 517 OLM LLC

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
64250 RESERVED 59.144.44.0/24 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.64.0/19 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.96.0/20 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.112.0/21 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.176.0/21 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.188.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.192.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.196.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.200.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.204.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.208.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.212.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.216.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.220.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.240.0/23 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.242.0/23 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.244.0/23 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.246.0/23 9498 BHARTI BT INTERNET L
64520 PRIVATE 172.11.12.0/24 1803 SPRINT
65501 PRIVATE 202.153.21.0/24 23666 PT Sistelindo Mitral
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
101.13.13.0/24 8764 LIETUVOS-TELEKOMAS Autonomous
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
172.11.12.0/24 64520 PRIVATE ASN
172.33.1.0/24 7018 AT&T WorldNet Services
192.0.10.0/24 9498 BHARTI BT INTERNET LTD.
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.153.136.0/21 721 DLA Systems Automation Center
192.172.0.0/19 721 DLA Systems Automation Center

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:9 /10:16 /11:37 /12:136
/13:265 /14:474 /15:928 /16:9621 /17:4094 /18:6661
/19:14149 /20:16608 /21:15124 /22:19589 /23:20400 /24:122734
/25:766 /26:1028 /27:548 /28:113 /29:5 /30:0
/31:0 /32:8

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
11492 1144 1152 Cable One
6478 1130 1131 AT&T Worldnet Services
18566 1010 1028 Covad Communications
9583 968 1126 Sify Limited
2386 911 1220 AT&T Data Communications Serv
7011 834 944 Citizens Utilities
7018 819 1474 AT&T WorldNet Services
4755 796 1423 Videsh Sanchar Nigam Ltd. Aut
6197 783 1030 BellSouth Network Solutions,
23577 782 791 Korea Telecom (ATM-MPLS)
9498 681 1002 BHARTI BT INTERNET LTD.
17488 639 816 Hathway IP Over Cable Interne
4766 607 809 Korea Telecom (KIX)
4323 596 1400 Time Warner Telecom
19916 563 568 OLM LLC
6517 551 586 Yipes Communications, Inc.
15270 544 580 PaeTec.net -a division of Pae
5668 521 655 CenturyTel Internet Holdings,
4668 507 517 LG-EDS Systems Inc.
18101 503 600 Reliance Infocom Ltd Internet

Number of /24s announced per /8 block (Global)
----------------------------------------------

4:8 8:83 12:1791 13:1 15:20 16:3
17:3 18:13 20:36 24:974 25:1 32:60
33:3 38:349 40:61 41:320 44:2 47:4
52:4 55:3 56:3 57:23 58:473 59:409
60:370 61:989 62:934 63:2001 64:3253 65:2372
66:3518 67:819 68:676 69:1976 70:454 71:107
72:1419 73:5 74:677 75:260 76:133 77:378
78:196 80:816 81:841 82:570 83:364 84:632
85:820 86:346 87:560 88:287 89:994 90:38
91:562 97:6 98:2 101:1 116:373 117:162
118:21 121:302 122:610 123:184 124:677 125:1008
128:272 129:212 130:137 131:364 132:60 133:9
134:198 135:33 136:188 137:81 138:156 139:74
140:513 141:174 142:398 143:272 144:313 145:47
146:332 147:128 148:485 149:165 150:111 151:157
152:89 153:118 154:11 155:255 156:162 157:218
158:160 159:175 160:135 161:100 162:173 163:182
164:487 165:396 166:287 167:302 168:503 169:123
170:387 171:22 172:3 189:74 190:1168 192:5711
193:3964 194:3196 195:2305 196:965 198:3821 199:3216
200:5314 201:1222 202:7368 203:7873 204:3930 205:1996
206:2430 207:2847 208:2867 209:3472 210:2473 211:1083
212:1299 213:1488 214:424 215:45 216:4079 217:1193
218:317 219:382 220:1008 221:414 222:263

End of report

cscora at apnic

Oct 5, 2007, 11:03 AM

Post #25 of 149 (12307 views)
Permalink

Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.apnic.net.

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 06 Oct, 2007

Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/10/06/0400

Analysis Summary
----------------

BGP routing table entries examined: 233905
Prefixes after maximum aggregation: 121328
Deaggregation factor: 1.93
Unique aggregates announced to Internet: 113794
Total ASes present in the Internet Routing Table: 26383
Prefixes per ASN: 8.87
Origin-only ASes present in the Internet Routing Table: 22949
Origin ASes announcing only one prefix: 11201
Transit ASes present in the Internet Routing Table: 3434
Transit-only ASes present in the Internet Routing Table: 75
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 20
Max AS path prepend of ASN (35389) 16
Prefixes from unregistered ASNs in the Routing Table: 27
Unregistered ASNs in the Routing Table: 7
Prefixes from 32-bit ASNs in the Routing Table: 7
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1790219104
Equivalent to 106 /8s, 180 /16s and 147 /24s
Percentage of available address space announced: 48.3
Percentage of allocated address space announced: 62.5
Percentage of available address space allocated: 77.3
Total number of prefixes smaller than registry allocations: 108143

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 54790
Total APNIC prefixes after maximum aggregation: 21053
APNIC Deaggregation factor: 2.60
Prefixes being announced from the APNIC address blocks: 51718
Unique aggregates announced from the APNIC address blocks: 22910
APNIC Region origin ASes present in the Internet Routing Table: 3070
APNIC Prefixes per ASN: 16.85
APNIC Region origin ASes announcing only one prefix: 819
APNIC Region transit ASes present in the Internet Routing Table: 469
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 320986784
Equivalent to 19 /8s, 33 /16s and 222 /24s
Percentage of available APNIC address space announced: 79.5

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 116/6, 120/6, 124/7, 126/8, 202/7
210/7, 218/7, 220/7 and 222/8

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 110149
Total ARIN prefixes after maximum aggregation: 63323
ARIN Deaggregation factor: 1.74
Prefixes being announced from the ARIN address blocks: 81274
Unique aggregates announced from the ARIN address blocks: 32169
ARIN Region origin ASes present in the Internet Routing Table: 11869
ARIN Prefixes per ASN: 6.85
ARIN Region origin ASes announcing only one prefix: 4566
ARIN Region transit ASes present in the Internet Routing Table: 1103
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 346850432
Equivalent to 20 /8s, 172 /16s and 132 /24s
Percentage of available ARIN address space announced: 76.6

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6,
208/7 and 216/8

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 49162
Total RIPE prefixes after maximum aggregation: 31394
RIPE Deaggregation factor: 1.57
Prefixes being announced from the RIPE address blocks: 45612
Unique aggregates announced from the RIPE address blocks: 30028
RIPE Region origin ASes present in the Internet Routing Table: 10287
RIPE Prefixes per ASN: 4.43
RIPE Region origin ASes announcing only one prefix: 5465
RIPE Region transit ASes present in the Internet Routing Table: 1637
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 330056064
Equivalent to 19 /8s, 172 /16s and 65 /24s
Percentage of available RIPE address space announced: 75.7

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055
RIPE Address Blocks 62/8, 77/8, 78/7, 80/4, 193/8, 194/7, 212/7
and 217/8

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 17077
Total LACNIC prefixes after maximum aggregation: 4512
LACNIC Deaggregation factor: 3.78
Prefixes being announced from the LACNIC address blocks: 15163
Unique aggregates announced from the LACNIC address blocks: 8438
LACNIC Region origin ASes present in the Internet Routing Table: 873
LACNIC Prefixes per ASN: 17.37
LACNIC Region origin ASes announcing only one prefix: 282
LACNIC Region transit ASes present in the Internet Routing Table: 153
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 43868928
Equivalent to 2 /8s, 157 /16s and 99 /24s
Percentage of available LACNIC address space announced: 43.6

LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 186/7, 189/8, 190/8, 200/7

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 2692
Total AfriNIC prefixes after maximum aggregation: 1032
AfriNIC Deaggregation factor: 2.61
Prefixes being announced from the AfriNIC address blocks: 2287
Unique aggregates announced from the AfriNIC address blocks: 1370
AfriNIC Region origin ASes present in the Internet Routing Table: 208
AfriNIC Prefixes per ASN: 11.00
AfriNIC Region origin ASes announcing only one prefix: 69
AfriNIC Region transit ASes present in the Internet Routing Table: 36
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 7530752
Equivalent to 0 /8s, 114 /16s and 233 /24s
Percentage of available AfriNIC address space announced: 22.4

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4755 1429 383 67 Videsh Sanchar Nigam Ltd. Aut
9583 1121 81 418 Sify Limited
4134 1097 11500 298 CHINANET-BACKBONE
9498 997 533 67 BHARTI BT INTERNET LTD.
17488 824 53 65 Hathway IP Over Cable Interne
4766 809 5441 321 Korea Telecom (KIX)
23577 795 34 688 Korea Telecom (ATM-MPLS)
7545 734 159 120 TPG Internet Pty Ltd
18101 603 119 50 Reliance Infocom Ltd Internet
4802 576 132 147 Wantree Development
4812 548 974 94 China Telecom (Shanghai)
1221 534 1950 415 Telstra Pty Ltd
9829 530 1312 9 BSNL National Internet Backbo
4668 517 68 10 LG-EDS Systems Inc.
17676 502 10903 63 Softbank BB Corp.
4808 493 792 119 CNCGROUP IP network: China169
9443 465 122 76 Primus Telecommunications
7474 381 218 268 SingTel Optus Pty Ltd
17974 363 130 13 PT TELEKOMUNIKASI INDONESIA
4837 358 5136 169 chinanet IDC center beijing n

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
7018 1477 6162 991 AT&T WorldNet Services
4323 1406 1007 365 Time Warner Telecom
2386 1228 636 739 AT&T Data Communications Serv
11492 1154 113 13 Cable One
6478 1124 329 143 AT&T Worldnet Services
6197 1031 718 508 BellSouth Network Solutions,
18566 1028 288 9 Covad Communications
174 968 6779 844 Cogent Communications
7011 944 287 559 Citizens Utilities
701 875 6574 682 UUNET Technologies, Inc.
20115 833 762 445 Charter Communications
1239 801 2720 561 Sprint
22773 791 2133 54 Cox Communications, Inc.
19262 785 2829 186 Verizon Global Networks
209 739 3818 584 Qwest
3356 682 10820 372 Level 3 Communications, LLC
5668 656 176 23 CenturyTel Internet Holdings,
6517 587 165 36 Yipes Communications, Inc.
852 581 1093 358 Telus Advanced Communications
15270 581 161 39 PaeTec.net -a division of Pae

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
702 475 1920 387 UUNET - Commercial IP service
24863 371 58 37 LINKdotNET AS number
9116 343 168 27 Goldenlines main autonomous s
3301 317 1457 294 TeliaNet Sweden
3320 314 6035 261 Deutsche Telekom AG
8551 295 283 41 Bezeq International
6746 292 131 268 Dynamic Network Technologies,
680 269 2045 257 DFN-IP service G-WiN
8708 264 421 242 Romania Data Systems S.A.
8866 263 62 22 Bulgarian Telecommunication C
3215 262 2480 100 France Telecom Transpac
8220 254 444 237 COLT Telecommunications
3352 231 1898 40 Ibernet, Internet Access Netw
3269 223 2839 73 TELECOM ITALIA
9121 214 1442 25 TTnet Autonomous System
3300 197 172 96 AUCS Communications Services
3292 195 1380 177 TDC Tele Danmark
1257 194 1195 171 SWIPnet Swedish IP Network
12479 194 578 6 Uni2 Autonomous System
3246 188 251 178 Song Networks

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8151 1053 2208 214 UniNet S.A. de C.V.
11830 514 299 9 Instituto Costarricense de El
16814 426 26 9 NSS, S.A.
11172 378 114 60 Servicios Alestra S.A de C.V
7303 349 168 46 Telecom Argentina Stet-France
14522 345 29 8 SatNet S.A.
6471 342 75 35 ENTEL CHILE S.A.
22047 317 246 13 VTR PUNTO NET S.A.
14117 283 19 15 Telefonica del Sur S.A.
10481 261 104 9 Prima S.A.
10620 249 69 27 TVCABLE BOGOTA
11556 237 128 4 Cable-Wireless Panama
6147 229 178 24 Telefonica Del Peru
23216 207 16 44 RAMtelecom Telecomunicaciones
6503 201 170 82 AVANTEL, S.A.
8163 178 11 7 METROTEL REDES S.A.
19169 178 12 19 Telconet
20299 178 25 29 NEWCOM AMERICAS
21826 178 31 49 INTERCABLE
28573 176 280 20 NET Servicos de Comunicao S.A

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
3741 278 869 225 The Internet Solution
8452 215 188 7 TEDATA
6713 144 135 11 Itissalat Al-MAGHRIB
2018 140 299 115 Tertiary Education Network
33783 125 8 12 EEPAD TISP TELECOM & INTERNET
5536 124 8 10 Internet Egypt Network
33776 100 6 3 Starcomms Nigeria Limited
24835 88 48 6 RAYA Telecom - Egypt
15475 79 84 4 Nile Online
2905 75 174 72 The Internetworking Company o
23889 73 24 15 MAURITIUS TELECOM
15706 55 12 4 Sudatel Internet Exchange Aut
33774 47 29 25 AS Number for Telecom Algeria
5713 46 294 36 Telkom SA Ltd
16637 42 21 29 Johnnic e-Ventures
12455 36 6 3 Jambonet Autonomous system
8524 32 2 10 AUCEGYPT Autonomous System
10798 27 16 1 Standard Bank of South Africa
29975 26 10 9 Vodacom
21280 25 4 4 Swift Global Kenya Ltd.Is an

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4755 1429 1362 Videsh Sanchar Nigam Ltd. Aut
11492 1154 1141 Cable One
4323 1406 1041 Time Warner Telecom
18566 1028 1019 Covad Communications
6478 1124 981 AT&T Worldnet Services
9498 997 930 BHARTI BT INTERNET LTD.
8151 1053 839 UniNet S.A. de C.V.
4134 1097 799 CHINANET-BACKBONE
17488 824 759 Hathway IP Over Cable Interne
22773 791 737 Cox Communications, Inc.
9583 1121 703 Sify Limited
5668 656 633 CenturyTel Internet Holdings,
7545 734 614 TPG Internet Pty Ltd
19262 785 599 Verizon Global Networks
18101 603 553 Reliance Infocom Ltd Internet
6517 587 551 Yipes Communications, Inc.
15270 581 542 PaeTec.net -a division of Pae
6197 1031 523 BellSouth Network Solutions,
9829 530 521 BSNL National Internet Backbo
19916 568 517 OLM LLC

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
64250 RESERVED 59.144.44.0/24 9498 BHARTI BT INTERNET L
65010 PRIVATE 83.174.240.0/20 28812 BashInformSvyaz Auto
64250 RESERVED 122.167.64.0/19 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.96.0/20 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.112.0/21 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.176.0/21 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.188.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.192.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.196.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.200.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.204.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.208.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.212.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.216.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.220.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.240.0/23 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.242.0/23 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.244.0/23 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.246.0/23 9498 BHARTI BT INTERNET L
64250 RESERVED 122.171.0.0/24 9498 BHARTI BT INTERNET L
64250 RESERVED 122.171.1.0/24 9498 BHARTI BT INTERNET L
64631 PRIVATE 199.242.73.0/24 22472 Florida Supreme Cour
64631 PRIVATE 199.242.74.0/24 22472 Florida Supreme Cour
64631 PRIVATE 199.242.96.0/24 22472 Florida Supreme Cour
64631 PRIVATE 199.242.109.0/24 8103 Florida Department o
64631 PRIVATE 199.242.111.0/24 22472 Florida Supreme Cour
65000 PRIVATE 216.136.11.0/24 27182 Peregrine Capital Ma

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
101.13.13.0/24 8764 LIETUVOS-TELEKOMAS Autonomous
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
172.11.12.0/24 1803 SPRINT
172.33.1.0/24 7018 AT&T WorldNet Services
192.0.10.0/24 9498 BHARTI BT INTERNET LTD.
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.153.136.0/21 721 DLA Systems Automation Center
192.172.0.0/19 721 DLA Systems Automation Center

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:9 /10:16 /11:37 /12:136
/13:265 /14:476 /15:936 /16:9644 /17:4097 /18:6679
/19:14243 /20:16507 /21:15249 /22:19670 /23:20445 /24:123017
/25:772 /26:1039 /27:544 /28:92 /29:5 /30:0
/31:0 /32:8

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
11492 1146 1154 Cable One
6478 1123 1124 AT&T Worldnet Services
18566 1010 1028 Covad Communications
9583 963 1121 Sify Limited
2386 916 1228 AT&T Data Communications Serv
7011 832 944 Citizens Utilities
7018 813 1477 AT&T WorldNet Services
4755 800 1429 Videsh Sanchar Nigam Ltd. Aut
23577 786 795 Korea Telecom (ATM-MPLS)
6197 775 1031 BellSouth Network Solutions,
9498 684 997 BHARTI BT INTERNET LTD.
17488 643 824 Hathway IP Over Cable Interne
4766 607 809 Korea Telecom (KIX)
4323 600 1406 Time Warner Telecom
19916 563 568 OLM LLC
15270 544 581 PaeTec.net -a division of Pae
6517 542 587 Yipes Communications, Inc.
5668 518 656 CenturyTel Internet Holdings,
4668 507 517 LG-EDS Systems Inc.
18101 503 603 Reliance Infocom Ltd Internet

Number of /24s announced per /8 block (Global)
----------------------------------------------

4:8 8:90 12:1786 13:1 15:20 16:3
17:3 18:13 20:36 24:977 25:1 32:60
33:3 38:350 40:61 41:325 44:2 47:4
52:4 55:3 56:3 57:23 58:476 59:409
60:376 61:994 62:976 63:1988 64:3249 65:2365
66:3541 67:825 68:677 69:1979 70:457 71:107
72:1408 73:5 74:694 75:260 76:138 77:394
78:211 80:838 81:800 82:572 83:364 84:620
85:857 86:346 87:579 88:287 89:1005 90:37
91:589 97:6 98:3 101:1 116:376 117:191
118:22 121:311 122:614 123:190 124:685 125:1010
128:272 129:201 130:138 131:365 132:54 133:9
134:195 135:34 136:188 137:83 138:156 139:74
140:514 141:174 142:370 143:256 144:310 145:46
146:335 147:125 148:424 149:185 150:111 151:156
152:89 153:121 154:11 155:258 156:161 157:221
158:160 159:197 160:136 161:98 162:173 163:182
164:487 165:395 166:289 167:303 168:497 169:124
170:398 171:22 172:3 189:73 190:1110 192:5720
193:3963 194:3205 195:2470 196:959 198:3824 199:3232
200:5230 201:1228 202:7374 203:7888 204:3951 205:2027
206:2424 207:2806 208:2877 209:3482 210:2450 211:1087
212:1309 213:1491 214:418 215:45 216:4074 217:1208
218:320 219:382 220:1005 221:414 222:263

End of report

1 2 3 4 5 6

View All

Index | Next | Previous | View Threaded

Interested in having your list archived? Contact Gossamer Threads