Mailing List Archive: NANOG: users

Weekly Routing Table Report

1 2 3

View All

Index | Next | Previous | View Threaded

cscora at apnic

Apr 20, 2007, 11:03 AM

Post #1 of 63 (4190 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.apnic.net

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

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

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 63 (4072 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.apnic.net

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

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

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 63 (4080 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.apnic.net

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

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

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 63 (4038 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.apnic.net

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

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

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 63 (4036 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.apnic.net

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

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

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