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Weekly Routing Table Report

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cscora at apnic

Oct 12, 2007, 11:05 AM

Post #26 of 149 (8387 views)
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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 13 Oct, 2007

Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/10/13/0400

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

BGP routing table entries examined: 234258
Prefixes after maximum aggregation: 121514
Deaggregation factor: 1.93
Unique aggregates announced to Internet: 114206
Total ASes present in the Internet Routing Table: 26464
Prefixes per ASN: 8.85
Origin-only ASes present in the Internet Routing Table: 23040
Origin ASes announcing only one prefix: 11228
Transit ASes present in the Internet Routing Table: 3424
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: 21
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: 12
Number of addresses announced to Internet: 1791437856
Equivalent to 106 /8s, 199 /16s and 44 /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: 108258

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

Prefixes being announced by APNIC Region ASes: 54841
Total APNIC prefixes after maximum aggregation: 21044
APNIC Deaggregation factor: 2.61
Prefixes being announced from the APNIC address blocks: 51773
Unique aggregates announced from the APNIC address blocks: 22934
APNIC Region origin ASes present in the Internet Routing Table: 3071
APNIC Prefixes per ASN: 16.86
APNIC Region origin ASes announcing only one prefix: 815
APNIC Region transit ASes present in the Internet Routing Table: 470
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 321212640
Equivalent to 19 /8s, 37 /16s and 80 /24s
Percentage of available APNIC address space announced: 79.6

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: 110231
Total ARIN prefixes after maximum aggregation: 63413
ARIN Deaggregation factor: 1.74
Prefixes being announced from the ARIN address blocks: 81463
Unique aggregates announced from the ARIN address blocks: 32233
ARIN Region origin ASes present in the Internet Routing Table: 11897
ARIN Prefixes per ASN: 6.85
ARIN Region origin ASes announcing only one prefix: 4574
ARIN Region transit ASes present in the Internet Routing Table: 1097
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 347325056
Equivalent to 20 /8s, 179 /16s and 194 /24s
Percentage of available ARIN address space announced: 76.7

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: 49280
Total RIPE prefixes after maximum aggregation: 31510
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 45724
Unique aggregates announced from the RIPE address blocks: 30211
RIPE Region origin ASes present in the Internet Routing Table: 10337
RIPE Prefixes per ASN: 4.42
RIPE Region origin ASes announcing only one prefix: 5491
RIPE Region transit ASes present in the Internet Routing Table: 1628
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 330257664
Equivalent to 19 /8s, 175 /16s and 85 /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: 17167
Total LACNIC prefixes after maximum aggregation: 4498
LACNIC Deaggregation factor: 3.82
Prefixes being announced from the LACNIC address blocks: 15271
Unique aggregates announced from the LACNIC address blocks: 8592
LACNIC Region origin ASes present in the Internet Routing Table: 873
LACNIC Prefixes per ASN: 17.49
LACNIC Region origin ASes announcing only one prefix: 281
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: 44414208
Equivalent to 2 /8s, 165 /16s and 181 /24s
Percentage of available LACNIC address space announced: 44.1

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: 2710
Total AfriNIC prefixes after maximum aggregation: 1035
AfriNIC Deaggregation factor: 2.62
Prefixes being announced from the AfriNIC address blocks: 2301
Unique aggregates announced from the AfriNIC address blocks: 1375
AfriNIC Region origin ASes present in the Internet Routing Table: 208
AfriNIC Prefixes per ASN: 11.06
AfriNIC Region origin ASes announcing only one prefix: 67
AfriNIC Region transit ASes present in the Internet Routing Table: 39
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 7599616
Equivalent to 0 /8s, 115 /16s and 246 /24s
Percentage of available AfriNIC address space announced: 22.6

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
4755 1439 383 67 Videsh Sanchar Nigam Ltd. Aut
9583 1125 81 421 Sify Limited
4134 1095 11484 297 CHINANET-BACKBONE
9498 1010 550 68 BHARTI BT INTERNET LTD.
17488 825 54 66 Hathway IP Over Cable Interne
4766 809 5442 321 Korea Telecom (KIX)
23577 791 34 684 Korea Telecom (ATM-MPLS)
7545 736 159 120 TPG Internet Pty Ltd
18101 603 119 50 Reliance Infocom Ltd Internet
4802 574 132 145 Wantree Development
4812 548 974 94 China Telecom (Shanghai)
1221 539 1950 419 Telstra Pty Ltd
9829 530 1312 9 BSNL National Internet Backbo
4668 518 68 10 LG-EDS Systems Inc.
17676 502 10903 63 Softbank BB Corp.
4808 492 792 119 CNCGROUP IP network: China169
9443 454 121 72 Primus Telecommunications
7474 379 217 266 SingTel Optus Pty Ltd
17557 368 57 188 Pakistan Telecom
17974 360 130 13 PT TELEKOMUNIKASI INDONESIA

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

ASN No of nets /20 equiv MaxAgg Description
7018 1475 6147 989 AT&T WorldNet Services
4323 1365 1007 363 Time Warner Telecom
2386 1230 628 742 AT&T Data Communications Serv
11492 1158 114 14 Cable One
6478 1127 330 139 AT&T Worldnet Services
6197 1030 718 513 BellSouth Network Solutions,
18566 1028 288 9 Covad Communications
174 969 6779 843 Cogent Communications
7011 958 289 557 Citizens Utilities
701 874 6573 680 UUNET Technologies, Inc.
20115 837 765 447 Charter Communications
1239 802 2720 562 Sprint
22773 793 2133 54 Cox Communications, Inc.
19262 786 2840 184 Verizon Global Networks
209 739 3810 584 Qwest
3356 680 10804 370 Level 3 Communications, LLC
5668 659 176 23 CenturyTel Internet Holdings,
6517 587 165 36 Yipes Communications, Inc.
852 581 1093 358 Telus Advanced Communications
6198 568 613 259 BellSouth Network Solutions,

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

ASN No of nets /20 equiv MaxAgg Description
702 473 1920 386 UUNET - Commercial IP service
24863 371 58 37 LINKdotNET AS number
9116 355 168 27 Goldenlines main autonomous s
3320 315 6035 262 Deutsche Telekom AG
3301 312 1441 290 TeliaNet Sweden
8551 296 284 38 Bezeq International
6746 292 131 268 Dynamic Network Technologies,
680 269 2045 257 DFN-IP service G-WiN
8866 265 62 24 Bulgarian Telecommunication C
8708 264 421 242 Romania Data Systems S.A.
3215 262 2480 100 France Telecom Transpac
8220 255 444 237 COLT Telecommunications
3352 231 1898 40 Ibernet, Internet Access Netw
3269 224 2839 73 TELECOM ITALIA
9121 212 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 192 578 6 Uni2 Autonomous System
3246 190 253 180 Song Networks

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

ASN No of nets /20 equiv MaxAgg Description
8151 1054 2212 216 UniNet S.A. de C.V.
11830 514 299 9 Instituto Costarricense de El
16814 427 27 10 NSS, S.A.
11172 379 114 60 Servicios Alestra S.A de C.V
14522 349 30 6 SatNet S.A.
7303 348 168 46 Telecom Argentina Stet-France
6471 343 75 35 ENTEL CHILE S.A.
22047 317 246 13 VTR PUNTO NET S.A.
14117 285 19 15 Telefonica del Sur S.A.
10481 261 104 9 Prima S.A.
10620 256 71 27 TVCABLE BOGOTA
11556 237 128 4 Cable-Wireless Panama
6147 230 178 24 Telefonica Del Peru
6503 209 170 82 AVANTEL, S.A.
23216 209 17 45 RAMtelecom Telecomunicaciones
7738 187 538 24 Telecomunicacoes da Bahia S.A
28573 184 301 23 NET Servicos de Comunicao S.A
8163 183 11 8 METROTEL REDES S.A.
21826 181 32 50 INTERCABLE
20299 180 25 30 NEWCOM AMERICAS

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

ASN No of nets /20 equiv MaxAgg Description
3741 279 885 226 The Internet Solution
8452 219 188 7 TEDATA
6713 144 135 11 Itissalat Al-MAGHRIB
2018 140 299 115 Tertiary Education Network
33783 126 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 77 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 48 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
29975 26 10 9 Vodacom
10798 25 16 1 Standard Bank of South Africa
21280 25 4 4 Swift Global Kenya Ltd.Is an

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

ASN No of nets Net Savings Description
4755 1439 1372 Videsh Sanchar Nigam Ltd. Aut
11492 1158 1144 Cable One
18566 1028 1019 Covad Communications
4323 1365 1002 Time Warner Telecom
6478 1127 988 AT&T Worldnet Services
9498 1010 942 BHARTI BT INTERNET LTD.
8151 1054 838 UniNet S.A. de C.V.
4134 1095 798 CHINANET-BACKBONE
17488 825 759 Hathway IP Over Cable Interne
22773 793 739 Cox Communications, Inc.
9583 1125 704 Sify Limited
5668 659 636 CenturyTel Internet Holdings,
7545 736 616 TPG Internet Pty Ltd
19262 786 602 Verizon Global Networks
18101 603 553 Reliance Infocom Ltd Internet
6517 587 551 Yipes Communications, Inc.
15270 560 521 PaeTec.net -a division of Pae
9829 530 521 BSNL National Internet Backbo
6197 1030 517 BellSouth Network Solutions,
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
64250 RESERVED 122.171.0.0/24 9498 BHARTI BT INTERNET L
64250 RESERVED 122.171.1.0/24 9498 BHARTI BT INTERNET L
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 /12:135
/13:265 /14:476 /15:934 /16:9662 /17:4104 /18:6690
/19:14341 /20:16550 /21:15332 /22:19665 /23:20556 /24:123042
/25:770 /26:1010 /27:541 /28:91 /29:5 /30:0
/31:0 /32:8

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

ASN No of nets Total ann. Description
11492 1150 1158 Cable One
6478 1126 1127 AT&T Worldnet Services
18566 1010 1028 Covad Communications
9583 967 1125 Sify Limited
2386 918 1230 AT&T Data Communications Serv
7011 845 958 Citizens Utilities
4755 811 1439 Videsh Sanchar Nigam Ltd. Aut
7018 811 1475 AT&T WorldNet Services
23577 782 791 Korea Telecom (ATM-MPLS)
6197 774 1030 BellSouth Network Solutions,
9498 692 1010 BHARTI BT INTERNET LTD.
17488 644 825 Hathway IP Over Cable Interne
4766 609 809 Korea Telecom (KIX)
4323 582 1365 Time Warner Telecom
19916 563 568 OLM LLC
6517 542 587 Yipes Communications, Inc.
15270 524 560 PaeTec.net -a division of Pae
5668 519 659 CenturyTel Internet Holdings,
4668 508 518 LG-EDS Systems Inc.
18101 505 603 Reliance Infocom Ltd Internet

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

4:8 8:90 12:1795 15:20 16:3 17:5
18:13 20:36 24:979 25:1 32:60 33:3
38:355 40:61 41:326 44:2 47:8 52:3
55:3 56:3 57:23 58:466 59:414 60:377
61:982 62:915 63:1987 64:3260 65:2372 66:3537
67:833 68:677 69:1981 70:460 71:108 72:1419
73:5 74:710 75:261 76:142 77:389 78:242
80:849 81:801 82:578 83:367 84:636 85:831
86:346 87:567 88:287 89:1015 90:37 91:617
96:1 97:6 98:4 101:1 116:373 117:199
118:39 121:318 122:613 123:201 124:691 125:1033
128:275 129:195 130:137 131:368 132:55 133:9
134:193 135:34 136:188 137:83 138:156 139:74
140:416 141:174 142:371 143:254 144:317 145:46
146:314 147:129 148:431 149:186 150:111 151:157
152:89 153:121 154:11 155:257 156:161 157:220
158:159 159:197 160:135 161:98 162:173 163:183
164:495 165:397 166:290 167:304 168:495 169:125
170:398 171:22 172:3 189:95 190:1119 192:5712
193:3968 194:3205 195:2484 196:962 198:3791 199:3230
200:5227 201:1227 202:7399 203:7894 204:3952 205:2010
206:2415 207:2804 208:2910 209:3484 210:2445 211:1083
212:1272 213:1494 214:405 215:45 216:4082 217:1201
218:318 219:384 220:1001 221:412 222:262

End of report

cscora at apnic

Oct 19, 2007, 11:05 AM

Post #27 of 149 (8379 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 20 Oct, 2007

Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/10/20/0400

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

BGP routing table entries examined: 234760
Prefixes after maximum aggregation: 121843
Deaggregation factor: 1.93
Unique aggregates announced to Internet: 114579
Total ASes present in the Internet Routing Table: 26476
Prefixes per ASN: 8.87
Origin-only ASes present in the Internet Routing Table: 23047
Origin ASes announcing only one prefix: 11233
Transit ASes present in the Internet Routing Table: 3429
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: 20
Max AS path prepend of ASN (35389) 16
Prefixes from unregistered ASNs in the Routing Table: 21
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: 10
Number of addresses announced to Internet: 1796115328
Equivalent to 107 /8s, 14 /16s and 139 /24s
Percentage of available address space announced: 48.5
Percentage of allocated address space announced: 62.7
Percentage of available address space allocated: 77.3
Total number of prefixes smaller than registry allocations: 108718

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

Prefixes being announced by APNIC Region ASes: 54729
Total APNIC prefixes after maximum aggregation: 21025
APNIC Deaggregation factor: 2.60
Prefixes being announced from the APNIC address blocks: 51663
Unique aggregates announced from the APNIC address blocks: 22925
APNIC Region origin ASes present in the Internet Routing Table: 3043
APNIC Prefixes per ASN: 16.98
APNIC Region origin ASes announcing only one prefix: 800
APNIC Region transit ASes present in the Internet Routing Table: 460
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 321956288
Equivalent to 19 /8s, 48 /16s and 169 /24s
Percentage of available APNIC address space announced: 79.8

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: 110474
Total ARIN prefixes after maximum aggregation: 63577
ARIN Deaggregation factor: 1.74
Prefixes being announced from the ARIN address blocks: 81619
Unique aggregates announced from the ARIN address blocks: 32335
ARIN Region origin ASes present in the Internet Routing Table: 11906
ARIN Prefixes per ASN: 6.86
ARIN Region origin ASes announcing only one prefix: 4579
ARIN Region transit ASes present in the Internet Routing Table: 1102
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 347934592
Equivalent to 20 /8s, 189 /16s and 15 /24s
Percentage of available ARIN address space announced: 76.8

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: 49505
Total RIPE prefixes after maximum aggregation: 31654
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 45954
Unique aggregates announced from the RIPE address blocks: 30301
RIPE Region origin ASes present in the Internet Routing Table: 10366
RIPE Prefixes per ASN: 4.43
RIPE Region origin ASes announcing only one prefix: 5506
RIPE Region transit ASes present in the Internet Routing Table: 1639
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 333599872
Equivalent to 19 /8s, 226 /16s and 84 /24s
Percentage of available RIPE address space announced: 76.5

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: 17313
Total LACNIC prefixes after maximum aggregation: 4537
LACNIC Deaggregation factor: 3.82
Prefixes being announced from the LACNIC address blocks: 15340
Unique aggregates announced from the LACNIC address blocks: 8607
LACNIC Region origin ASes present in the Internet Routing Table: 871
LACNIC Prefixes per ASN: 17.61
LACNIC Region origin ASes announcing only one prefix: 282
LACNIC Region transit ASes present in the Internet Routing Table: 155
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 44467456
Equivalent to 2 /8s, 166 /16s and 133 /24s
Percentage of available LACNIC address space announced: 44.2

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: 2710
Total AfriNIC prefixes after maximum aggregation: 1036
AfriNIC Deaggregation factor: 2.62
Prefixes being announced from the AfriNIC address blocks: 2305
Unique aggregates announced from the AfriNIC address blocks: 1382
AfriNIC Region origin ASes present in the Internet Routing Table: 210
AfriNIC Prefixes per ASN: 10.98
AfriNIC Region origin ASes announcing only one prefix: 66
AfriNIC Region transit ASes present in the Internet Routing Table: 38
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 7623680
Equivalent to 0 /8s, 116 /16s and 84 /24s
Percentage of available AfriNIC address space announced: 22.7

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
4755 1470 383 67 Videsh Sanchar Nigam Ltd. Aut
9583 1120 81 420 Sify Limited
4134 1100 11540 300 CHINANET-BACKBONE
9498 1010 550 68 BHARTI BT INTERNET LTD.
17488 850 55 63 Hathway IP Over Cable Interne
4766 799 5440 314 Korea Telecom (KIX)
23577 791 34 684 Korea Telecom (ATM-MPLS)
7545 730 159 119 TPG Internet Pty Ltd
18101 606 119 52 Reliance Infocom Ltd Internet
4802 571 133 142 Wantree Development
1221 539 1950 419 Telstra Pty Ltd
9829 530 1312 9 BSNL National Internet Backbo
4812 523 858 76 China Telecom (Shanghai)
4668 518 68 10 LG-EDS Systems Inc.
17676 502 10903 63 Softbank BB Corp.
4808 493 792 119 CNCGROUP IP network: China169
9443 440 121 72 Primus Telecommunications
7474 381 218 267 SingTel Optus Pty Ltd
17974 363 130 13 PT TELEKOMUNIKASI INDONESIA
4837 359 5137 170 chinanet IDC center beijing n

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

ASN No of nets /20 equiv MaxAgg Description
7018 1481 6148 995 AT&T WorldNet Services
4323 1365 1006 360 Time Warner Telecom
2386 1234 627 743 AT&T Data Communications Serv
11492 1155 116 16 Cable One
6478 1117 329 169 AT&T Worldnet Services
6197 1029 718 513 BellSouth Network Solutions,
18566 1028 288 9 Covad Communications
174 980 6786 843 Cogent Communications
7011 961 290 558 Citizens Utilities
701 881 6575 689 UUNET Technologies, Inc.
20115 837 765 447 Charter Communications
1239 802 2720 562 Sprint
22773 796 2133 54 Cox Communications, Inc.
19262 789 2847 180 Verizon Global Networks
209 745 3793 586 Qwest
3356 728 10858 388 Level 3 Communications, LLC
5668 661 176 17 CenturyTel Internet Holdings,
6517 588 165 36 Yipes Communications, Inc.
852 582 1101 359 Telus Advanced Communications
19916 569 49 47 OLM LLC

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

ASN No of nets /20 equiv MaxAgg Description
702 471 1919 384 UUNET - Commercial IP service
24863 372 58 36 LINKdotNET AS number
9116 338 168 27 Goldenlines main autonomous s
3301 316 1441 293 TeliaNet Sweden
3320 315 6035 262 Deutsche Telekom AG
8551 296 284 38 Bezeq International
6746 275 128 252 Dynamic Network Technologies,
8708 271 421 243 Romania Data Systems S.A.
680 269 2045 257 DFN-IP service G-WiN
8866 265 62 24 Bulgarian Telecommunication C
3215 263 2488 99 France Telecom Transpac
8220 255 444 237 COLT Telecommunications
3352 232 1914 41 Ibernet, Internet Access Netw
3269 228 2935 75 TELECOM ITALIA
9121 212 1442 25 TTnet Autonomous System
3300 200 172 96 AUCS Communications Services
3292 195 1380 177 TDC Tele Danmark
1257 194 1194 176 SWIPnet Swedish IP Network
12479 194 578 6 Uni2 Autonomous System
3246 191 253 181 Song Networks

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

ASN No of nets /20 equiv MaxAgg Description
8151 1052 2196 212 UniNet S.A. de C.V.
11830 514 299 9 Instituto Costarricense de El
16814 427 27 10 NSS, S.A.
11172 380 114 60 Servicios Alestra S.A de C.V
14522 380 32 7 SatNet S.A.
7303 359 173 52 Telecom Argentina Stet-France
6471 347 75 36 ENTEL CHILE S.A.
22047 317 246 13 VTR PUNTO NET S.A.
14117 285 19 15 Telefonica del Sur S.A.
10481 261 104 9 Prima S.A.
10620 256 71 27 TVCABLE BOGOTA
11556 237 128 4 Cable-Wireless Panama
6147 231 178 24 Telefonica Del Peru
6503 210 170 82 AVANTEL, S.A.
23216 207 16 44 RAMtelecom Telecomunicaciones
7738 204 538 24 Telecomunicacoes da Bahia S.A
28573 194 306 22 NET Servicos de Comunicao S.A
8163 183 11 8 METROTEL REDES S.A.
21826 181 32 50 INTERCABLE
19169 180 12 20 Telconet

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

ASN No of nets /20 equiv MaxAgg Description
3741 278 869 225 The Internet Solution
8452 221 188 7 TEDATA
6713 143 135 11 Itissalat Al-MAGHRIB
2018 140 299 115 Tertiary Education Network
5536 124 8 10 Internet Egypt Network
33783 111 8 8 EEPAD TISP TELECOM & INTERNET
33776 100 6 3 Starcomms Nigeria Limited
24835 88 48 6 RAYA Telecom - Egypt
15475 77 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 48 33 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 32 2 10 AUCEGYPT Autonomous System
10798 26 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 1470 1403 Videsh Sanchar Nigam Ltd. Aut
11492 1155 1139 Cable One
18566 1028 1019 Covad Communications
4323 1365 1005 Time Warner Telecom
6478 1117 948 AT&T Worldnet Services
9498 1010 942 BHARTI BT INTERNET LTD.
8151 1052 840 UniNet S.A. de C.V.
4134 1100 800 CHINANET-BACKBONE
17488 850 787 Hathway IP Over Cable Interne
22773 796 742 Cox Communications, Inc.
9583 1120 700 Sify Limited
5668 661 644 CenturyTel Internet Holdings,
7545 730 611 TPG Internet Pty Ltd
19262 789 609 Verizon Global Networks
18101 606 554 Reliance Infocom Ltd Internet
6517 588 552 Yipes Communications, Inc.
19916 569 522 OLM LLC
9829 530 521 BSNL National Internet Backbo
6197 1029 516 BellSouth Network Solutions,
4668 518 508 LG-EDS Systems Inc.

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
64250 RESERVED 122.171.0.0/24 9498 BHARTI BT INTERNET L
64250 RESERVED 122.171.1.0/24 9498 BHARTI BT INTERNET L
65000 PRIVATE 216.136.11.0/24 27182 Peregrine Capital Ma

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

Network Origin AS Description
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 /11:38 /12:135
/13:267 /14:477 /15:937 /16:9686 /17:4124 /18:6666
/19:14372 /20:16567 /21:15354 /22:19696 /23:20592 /24:123360
/25:780 /26:1021 /27:537 /28:94 /29:5 /30:0
/31:0 /32:8

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

ASN No of nets Total ann. Description
11492 1146 1155 Cable One
6478 1116 1117 AT&T Worldnet Services
18566 1010 1028 Covad Communications
9583 962 1120 Sify Limited
2386 924 1234 AT&T Data Communications Serv
7011 848 961 Citizens Utilities
4755 839 1470 Videsh Sanchar Nigam Ltd. Aut
7018 812 1481 AT&T WorldNet Services
23577 782 791 Korea Telecom (ATM-MPLS)
6197 773 1029 BellSouth Network Solutions,
9498 693 1010 BHARTI BT INTERNET LTD.
17488 673 850 Hathway IP Over Cable Interne
4766 597 799 Korea Telecom (KIX)
4323 580 1365 Time Warner Telecom
19916 564 569 OLM LLC
6517 543 588 Yipes Communications, Inc.
5668 521 661 CenturyTel Internet Holdings,
4668 508 518 LG-EDS Systems Inc.
18101 507 606 Reliance Infocom Ltd Internet
15270 486 521 PaeTec.net -a division of Pae

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

4:8 8:84 12:1793 15:19 16:3 17:5
18:13 20:36 24:979 25:1 32:60 33:3
38:355 40:64 41:335 44:2 47:8 52:3
55:3 56:3 57:23 58:469 59:416 60:379
61:987 62:929 63:1987 64:3276 65:2374 66:3556
67:829 68:674 69:2002 70:464 71:107 72:1410
73:6 74:719 75:261 76:147 77:394 78:250
80:854 81:789 82:570 83:349 84:612 85:831
86:342 87:583 88:290 89:1028 90:39 91:661
92:3 96:1 97:6 98:5 116:406 117:199
118:40 121:321 122:592 123:202 124:694 125:1034
128:275 129:195 130:136 131:365 132:55 133:9
134:193 135:34 136:188 137:82 138:157 139:74
140:500 141:150 142:370 143:253 144:318 145:46
146:335 147:130 148:485 149:187 150:113 151:137
152:89 153:121 154:11 155:261 156:161 157:221
158:160 159:197 160:136 161:98 162:179 163:183
164:495 165:397 166:290 167:307 168:498 169:125
170:399 171:22 172:2 189:86 190:1167 192:5721
193:3986 194:3217 195:2467 196:940 198:3800 199:3242
200:5219 201:1235 202:7309 203:7875 204:3953 205:2013
206:2422 207:2800 208:2895 209:3480 210:2438 211:1090
212:1324 213:1513 214:419 215:44 216:4099 217:1208
218:318 219:388 220:993 221:410 222:263

End of report

cscora at apnic

Oct 26, 2007, 11:02 AM

Post #28 of 149 (8365 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 27 Oct, 2007

Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/10/27/0400

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

BGP routing table entries examined: 235884
Prefixes after maximum aggregation: 121839
Deaggregation factor: 1.94
Unique aggregates announced to Internet: 113953
Total ASes present in the Internet Routing Table: 26582
Prefixes per ASN: 8.87
Origin-only ASes present in the Internet Routing Table: 23140
Origin ASes announcing only one prefix: 11294
Transit ASes present in the Internet Routing Table: 3442
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: 20
Max AS path prepend of ASN (13227) 16
Prefixes from unregistered ASNs in the Routing Table: 28
Unregistered ASNs in the Routing Table: 11
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: 10
Number of addresses announced to Internet: 1797966720
Equivalent to 107 /8s, 42 /16s and 203 /24s
Percentage of available address space announced: 48.5
Percentage of allocated address space announced: 62.8
Percentage of available address space allocated: 77.3
Total number of prefixes smaller than registry allocations: 109476

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

Prefixes being announced by APNIC Region ASes: 55061
Total APNIC prefixes after maximum aggregation: 20713
APNIC Deaggregation factor: 2.66
Prefixes being announced from the APNIC address blocks: 51983
Unique aggregates announced from the APNIC address blocks: 21968
APNIC Region origin ASes present in the Internet Routing Table: 3078
APNIC Prefixes per ASN: 16.89
APNIC Region origin ASes announcing only one prefix: 807
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: 322664128
Equivalent to 19 /8s, 59 /16s and 118 /24s
Percentage of available APNIC address space announced: 79.9

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: 110769
Total ARIN prefixes after maximum aggregation: 63679
ARIN Deaggregation factor: 1.74
Prefixes being announced from the ARIN address blocks: 81900
Unique aggregates announced from the ARIN address blocks: 32455
ARIN Region origin ASes present in the Internet Routing Table: 11912
ARIN Prefixes per ASN: 6.88
ARIN Region origin ASes announcing only one prefix: 4589
ARIN Region transit ASes present in the Internet Routing Table: 1106
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 348256128
Equivalent to 20 /8s, 193 /16s and 247 /24s
Percentage of available ARIN address space announced: 76.9

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: 49773
Total RIPE prefixes after maximum aggregation: 31817
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 46251
Unique aggregates announced from the RIPE address blocks: 30449
RIPE Region origin ASes present in the Internet Routing Table: 10425
RIPE Prefixes per ASN: 4.44
RIPE Region origin ASes announcing only one prefix: 5544
RIPE Region transit ASes present in the Internet Routing Table: 1639
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 333987200
Equivalent to 19 /8s, 232 /16s and 61 /24s
Percentage of available RIPE address space announced: 76.6

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
40960-45055
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: 17518
Total LACNIC prefixes after maximum aggregation: 4579
LACNIC Deaggregation factor: 3.83
Prefixes being announced from the LACNIC address blocks: 15546
Unique aggregates announced from the LACNIC address blocks: 8668
LACNIC Region origin ASes present in the Internet Routing Table: 875
LACNIC Prefixes per ASN: 17.77
LACNIC Region origin ASes announcing only one prefix: 285
LACNIC Region transit ASes present in the Internet Routing Table: 152
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 44806912
Equivalent to 2 /8s, 171 /16s and 179 /24s
Percentage of available LACNIC address space announced: 44.5

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: 2727
Total AfriNIC prefixes after maximum aggregation: 1037
AfriNIC Deaggregation factor: 2.63
Prefixes being announced from the AfriNIC address blocks: 2320
Unique aggregates announced from the AfriNIC address blocks: 1395
AfriNIC Region origin ASes present in the Internet Routing Table: 211
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: 39
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 7632128
Equivalent to 0 /8s, 116 /16s and 117 /24s
Percentage of available AfriNIC address space announced: 22.7

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
4755 1472 383 67 Videsh Sanchar Nigam Ltd. Aut
9583 1126 108 15 Sify Limited
4134 1095 11539 299 CHINANET-BACKBONE
9498 1014 550 67 BHARTI BT INTERNET LTD.
17488 855 55 67 Hathway IP Over Cable Interne
4766 815 5473 327 Korea Telecom (KIX)
23577 780 34 681 Korea Telecom (ATM-MPLS)
7545 718 159 120 TPG Internet Pty Ltd
18101 607 119 52 Reliance Infocom Ltd Internet
1221 544 1951 424 Telstra Pty Ltd
9829 530 1312 9 BSNL National Internet Backbo
4812 523 858 76 China Telecom (Shanghai)
4668 518 68 10 LG-EDS Systems Inc.
17676 502 10903 63 Softbank BB Corp.
4808 498 793 119 CNCGROUP IP network: China169
4802 487 133 141 Wantree Development
9443 441 121 72 Primus Telecommunications
7474 374 201 261 SingTel Optus Pty Ltd
17974 369 142 16 PT TELEKOMUNIKASI INDONESIA
4837 356 4993 167 chinanet IDC center beijing n

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

ASN No of nets /20 equiv MaxAgg Description
7018 1487 6149 1001 AT&T WorldNet Services
4323 1345 1006 356 Time Warner Telecom
2386 1240 628 751 AT&T Data Communications Serv
11492 1153 117 39 Cable One
6478 1115 328 197 AT&T Worldnet Services
18566 1028 288 9 Covad Communications
6197 1024 718 508 BellSouth Network Solutions,
174 992 6803 846 Cogent Communications
7011 967 289 558 Citizens Utilities
701 889 6560 696 UUNET Technologies, Inc.
20115 849 774 458 Charter Communications
1239 799 2721 558 Sprint
22773 798 2133 54 Cox Communications, Inc.
19262 790 2847 191 Verizon Global Networks
3356 764 10891 398 Level 3 Communications, LLC
209 730 3784 573 Qwest
5668 662 176 17 CenturyTel Internet Holdings,
6517 590 163 34 Yipes Communications, Inc.
852 580 1108 357 Telus Advanced Communications
3561 573 2325 377 Savvis

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

ASN No of nets /20 equiv MaxAgg Description
702 473 1920 386 UUNET - Commercial IP service
24863 375 58 39 LINKdotNET AS number
9116 334 168 28 Goldenlines main autonomous s
3301 317 1441 294 TeliaNet Sweden
3320 316 6035 263 Deutsche Telekom AG
8551 310 298 41 Bezeq International
6746 275 129 252 Dynamic Network Technologies,
8708 271 421 243 Romania Data Systems S.A.
8866 269 62 25 Bulgarian Telecommunication C
680 266 2045 254 DFN-IP service G-WiN
3215 264 2504 99 France Telecom Transpac
8220 257 445 238 COLT Telecommunications
3352 232 1916 40 Ibernet, Internet Access Netw
3269 228 2935 75 TELECOM ITALIA
9121 212 1442 25 TTnet Autonomous System
3300 199 172 95 AUCS Communications Services
20858 195 34 3 EgyNet
1257 194 1194 176 SWIPnet Swedish IP Network
12479 194 578 6 Uni2 Autonomous System
3292 193 1380 177 TDC Tele Danmark

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

ASN No of nets /20 equiv MaxAgg Description
8151 1055 2196 215 UniNet S.A. de C.V.
11830 514 299 9 Instituto Costarricense de El
16814 427 27 10 NSS, S.A.
14522 380 32 7 SatNet S.A.
11172 374 114 60 Servicios Alestra S.A de C.V
7303 361 175 54 Telecom Argentina Stet-France
6471 348 75 37 ENTEL CHILE S.A.
22047 317 246 13 VTR PUNTO NET S.A.
14117 285 19 15 Telefonica del Sur S.A.
10620 263 73 29 TVCABLE BOGOTA
10481 261 104 9 Prima S.A.
11556 237 128 4 Cable-Wireless Panama
6147 230 178 24 Telefonica Del Peru
6503 213 187 84 AVANTEL, S.A.
23216 211 17 47 RAMtelecom Telecomunicaciones
7738 204 538 24 Telecomunicacoes da Bahia S.A
28573 200 314 27 NET Servicos de Comunicao S.A
8163 183 11 8 METROTEL REDES S.A.
21826 181 32 50 INTERCABLE
20299 180 25 30 NEWCOM AMERICAS

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

ASN No of nets /20 equiv MaxAgg Description
3741 279 869 225 The Internet Solution
8452 221 188 7 TEDATA
6713 143 135 11 Itissalat Al-MAGHRIB
2018 140 299 115 Tertiary Education Network
33783 127 8 11 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 77 84 4 Nile Online
2905 75 174 72 The Internetworking Company o
23889 73 24 15 MAURITIUS TELECOM
15706 53 12 4 Sudatel Internet Exchange Aut
33774 48 33 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 26 16 1 Standard Bank of South Africa
21280 26 4 4 Swift Global Kenya Ltd.Is an
29975 26 10 9 Vodacom

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

ASN No of nets Net Savings Description
4755 1472 1405 Videsh Sanchar Nigam Ltd. Aut
11492 1153 1114 Cable One
9583 1126 1111 Sify Limited
18566 1028 1019 Covad Communications
4323 1345 989 Time Warner Telecom
9498 1014 947 BHARTI BT INTERNET LTD.
6478 1115 918 AT&T Worldnet Services
8151 1055 840 UniNet S.A. de C.V.
4134 1095 796 CHINANET-BACKBONE
17488 855 788 Hathway IP Over Cable Interne
22773 798 744 Cox Communications, Inc.
5668 662 645 CenturyTel Internet Holdings,
19262 790 599 Verizon Global Networks
7545 718 598 TPG Internet Pty Ltd
6517 590 556 Yipes Communications, Inc.
18101 607 555 Reliance Infocom Ltd Internet
19916 569 522 OLM LLC
9829 530 521 BSNL National Internet Backbo
6197 1024 516 BellSouth Network Solutions,
4668 518 508 LG-EDS Systems Inc.

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
64999 PRIVATE 78.24.120.0/23 3257 Tiscali Intl Network
64999 PRIVATE 78.24.122.0/23 3257 Tiscali Intl Network
64999 PRIVATE 78.24.124.0/24 3257 Tiscali Intl Network
64999 PRIVATE 78.24.125.0/24 3257 Tiscali Intl Network
64999 PRIVATE 78.24.126.0/24 3257 Tiscali Intl Network
64999 PRIVATE 78.24.127.0/24 3257 Tiscali Intl Network
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
65535 PRIVATE 200.62.98.0/24 7137 TELEMATIX/ ENITEL
65000 PRIVATE 216.136.11.0/24 27182 Peregrine Capital Ma

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

Network Origin AS Description
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 /11:38 /12:135
/13:268 /14:478 /15:946 /16:9692 /17:4154 /18:6681
/19:14421 /20:16666 /21:15458 /22:19795 /23:20747 /24:123914
/25:775 /26:1017 /27:541 /28:101 /29:5 /30:0
/31:0 /32:8

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

ASN No of nets Total ann. Description
11492 1145 1153 Cable One
6478 1114 1115 AT&T Worldnet Services
18566 1010 1028 Covad Communications
9583 961 1126 Sify Limited
2386 931 1240 AT&T Data Communications Serv
7011 854 967 Citizens Utilities
4755 844 1472 Videsh Sanchar Nigam Ltd. Aut
7018 812 1487 AT&T WorldNet Services
6197 772 1024 BellSouth Network Solutions,
23577 771 780 Korea Telecom (ATM-MPLS)
9498 701 1014 BHARTI BT INTERNET LTD.
17488 674 855 Hathway IP Over Cable Interne
4766 606 815 Korea Telecom (KIX)
4323 569 1345 Time Warner Telecom
19916 564 569 OLM LLC
6517 545 590 Yipes Communications, Inc.
5668 521 662 CenturyTel Internet Holdings,
4668 508 518 LG-EDS Systems Inc.
18101 508 607 Reliance Infocom Ltd Internet
15270 446 480 PaeTec.net -a division of Pae

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

4:8 8:86 12:1796 15:19 16:3 17:5
18:13 20:36 24:982 25:1 32:57 33:3
38:357 40:64 41:346 44:2 45:2 47:8
52:3 55:3 56:3 57:23 58:473 59:416
60:380 61:983 62:931 63:1979 64:3282 65:2369
66:3562 67:849 68:674 69:2001 70:465 71:108
72:1411 73:6 74:730 75:263 76:153 77:411
78:248 79:1 80:858 81:798 82:583 83:355
84:631 85:831 86:349 87:583 88:284 89:1043
90:39 91:683 92:4 96:1 97:7 98:9
116:415 117:204 118:39 121:323 122:635 123:206
124:702 125:1040 128:276 129:195 130:136 131:366
132:56 133:8 134:193 135:34 136:182 137:82
138:156 139:75 140:505 141:151 142:371 143:254
144:317 145:46 146:327 147:130 148:486 149:187
150:113 151:137 152:83 153:121 154:11 155:261
156:162 157:223 158:160 159:195 160:143 161:99
162:189 163:183 164:498 165:397 166:290 167:308
168:496 169:126 170:404 171:22 172:2 189:118
190:1212 192:5705 193:3997 194:3212 195:2463 196:941
198:3791 199:3225 200:5258 201:1237 202:7404 203:7810
204:3978 205:2002 206:2416 207:2785 208:2907 209:3597
210:2482 211:1077 212:1345 213:1525 214:419 215:45
216:4080 217:1197 218:316 219:390 220:1010 221:410
222:267

End of report

cscora at apnic

Nov 2, 2007, 11:03 AM

Post #29 of 149 (8343 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 03 Nov, 2007

Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/

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

BGP routing table entries examined: 237079
Prefixes after maximum aggregation: 122131
Deaggregation factor: 1.94
Unique aggregates announced to Internet: 114350
Total ASes present in the Internet Routing Table: 26602
Prefixes per ASN: 8.91
Origin-only ASes present in the Internet Routing Table: 23152
Origin ASes announcing only one prefix: 11298
Transit ASes present in the Internet Routing Table: 3450
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: 66
Max AS path prepend of ASN ( 3816) 64
Prefixes from unregistered ASNs in the Routing Table: 29
Unregistered ASNs in the Routing Table: 6
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: 1788818304
Equivalent to 106 /8s, 159 /16s and 51 /24s
Percentage of available address space announced: 48.3
Percentage of allocated address space announced: 61.7
Percentage of available address space allocated: 78.2
Total number of prefixes smaller than registry allocations: 110379

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

Prefixes being announced by APNIC Region ASes: 55136
Total APNIC prefixes after maximum aggregation: 20723
APNIC Deaggregation factor: 2.66
Prefixes being announced from the APNIC address blocks: 52049
Unique aggregates announced from the APNIC address blocks: 22047
APNIC Region origin ASes present in the Internet Routing Table: 3074
APNIC Prefixes per ASN: 16.93
APNIC Region origin ASes announcing only one prefix: 798
APNIC Region transit ASes present in the Internet Routing Table: 473
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 323962048
Equivalent to 19 /8s, 79 /16s and 68 /24s
Percentage of available APNIC address space announced: 74.1

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, 114/7, 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: 111540
Total ARIN prefixes after maximum aggregation: 63969
ARIN Deaggregation factor: 1.74
Prefixes being announced from the ARIN address blocks: 82536
Unique aggregates announced from the ARIN address blocks: 32579
ARIN Region origin ASes present in the Internet Routing Table: 11925
ARIN Prefixes per ASN: 6.92
ARIN Region origin ASes announcing only one prefix: 4599
ARIN Region transit ASes present in the Internet Routing Table: 1110
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 352031104
Equivalent to 20 /8s, 251 /16s and 145 /24s
Percentage of available ARIN address space announced: 77.7

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: 49364
Total RIPE prefixes after maximum aggregation: 31795
RIPE Deaggregation factor: 1.55
Prefixes being announced from the RIPE address blocks: 46293
Unique aggregates announced from the RIPE address blocks: 30557
RIPE Region origin ASes present in the Internet Routing Table: 10440
RIPE Prefixes per ASN: 4.43
RIPE Region origin ASes announcing only one prefix: 5551
RIPE Region transit ASes present in the Internet Routing Table: 1645
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 335514496
Equivalent to 19 /8s, 255 /16s and 139 /24s
Percentage of available RIPE address space announced: 76.9

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
40960-45055
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: 17746
Total LACNIC prefixes after maximum aggregation: 4552
LACNIC Deaggregation factor: 3.90
Prefixes being announced from the LACNIC address blocks: 15641
Unique aggregates announced from the LACNIC address blocks: 8717
LACNIC Region origin ASes present in the Internet Routing Table: 870
LACNIC Prefixes per ASN: 17.98
LACNIC Region origin ASes announcing only one prefix: 280
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: 66
Number of LACNIC addresses announced to Internet: 45830400
Equivalent to 2 /8s, 187 /16s and 81 /24s
Percentage of available LACNIC address space announced: 45.5

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: 3255
Total AfriNIC prefixes after maximum aggregation: 1076
AfriNIC Deaggregation factor: 3.03
Prefixes being announced from the AfriNIC address blocks: 2374
Unique aggregates announced from the AfriNIC address blocks: 1399
AfriNIC Region origin ASes present in the Internet Routing Table: 213
AfriNIC Prefixes per ASN: 11.15
AfriNIC Region origin ASes announcing only one prefix: 70
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: 7633152
Equivalent to 0 /8s, 116 /16s and 121 /24s
Percentage of available AfriNIC address space announced: 22.7

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
4755 1428 383 67 Videsh Sanchar Nigam Ltd. Aut
9583 1107 108 15 Sify Limited
4134 1101 11560 302 CHINANET-BACKBONE
9498 1018 549 64 BHARTI BT INTERNET LTD.
17488 874 57 69 Hathway IP Over Cable Interne
4766 814 5473 327 Korea Telecom (KIX)
23577 774 34 679 Korea Telecom (ATM-MPLS)
7545 720 159 123 TPG Internet Pty Ltd
18101 609 119 53 Reliance Infocom Ltd Internet
1221 542 1951 422 Telstra Pty Ltd
9829 530 1312 9 BSNL National Internet Backbo
4812 524 866 77 China Telecom (Shanghai)
4668 520 68 10 LG-EDS Systems Inc.
17676 504 10919 64 Softbank BB Corp.
4808 500 797 121 CNCGROUP IP network: China169
4802 487 133 141 Wantree Development
9443 441 121 72 Primus Telecommunications
7474 380 202 266 SingTel Optus Pty Ltd
17974 369 146 14 PT TELEKOMUNIKASI INDONESIA
4837 356 5050 168 chinanet IDC center beijing n

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

ASN No of nets /20 equiv MaxAgg Description
7018 1507 6147 1010 AT&T WorldNet Services
4323 1362 1014 360 Time Warner Telecom
2386 1249 629 760 AT&T Data Communications Serv
11492 1161 119 48 Cable One
6478 1121 329 184 AT&T Worldnet Services
6197 1030 718 508 BellSouth Network Solutions,
18566 1029 288 9 Covad Communications
174 983 6882 848 Cogent Communications
7011 979 290 562 Citizens Utilities
701 891 6552 697 UUNET Technologies, Inc.
577 848 844 211 Bell Advanced Communications
20115 845 771 457 Charter Communications
22773 802 2133 54 Cox Communications, Inc.
1239 800 2729 559 Sprint
19262 797 2861 182 Verizon Global Networks
3356 792 10885 409 Level 3 Communications, LLC
209 727 3782 570 Qwest
5668 662 176 17 CenturyTel Internet Holdings,
1785 591 379 246 AppliedTheory Corporation
6517 590 163 33 Yipes Communications, Inc.

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

ASN No of nets /20 equiv MaxAgg Description
702 469 1917 383 UUNET - Commercial IP service
9116 335 168 28 Goldenlines main autonomous s
3301 316 1441 293 TeliaNet Sweden
3320 315 6035 262 Deutsche Telekom AG
8551 311 298 41 Bezeq International
6746 273 129 251 Dynamic Network Technologies,
8708 273 421 244 Romania Data Systems S.A.
8866 269 62 25 Bulgarian Telecommunication C
680 268 2045 254 DFN-IP service G-WiN
3215 263 2503 98 France Telecom Transpac
8220 255 444 237 COLT Telecommunications
8452 244 188 7 TEDATA
3352 235 1932 41 Ibernet, Internet Access Netw
3269 228 2935 75 TELECOM ITALIA
9121 212 1442 25 TTnet Autonomous System
3300 199 172 95 AUCS Communications Services
12479 195 578 6 Uni2 Autonomous System
1257 194 1195 177 SWIPnet Swedish IP Network
3246 193 257 184 Song Networks
3292 193 1380 177 TDC Tele Danmark

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

ASN No of nets /20 equiv MaxAgg Description
8151 1160 2406 219 UniNet S.A. de C.V.
11830 514 299 9 Instituto Costarricense de El
16814 427 27 10 NSS, S.A.
14522 378 32 7 SatNet S.A.
11172 377 114 60 Servicios Alestra S.A de C.V
7303 366 177 53 Telecom Argentina Stet-France
6471 352 77 37 ENTEL CHILE S.A.
22047 317 246 13 VTR PUNTO NET S.A.
10481 301 120 10 Prima S.A.
14117 285 19 15 Telefonica del Sur S.A.
10620 265 73 27 TVCABLE BOGOTA
6147 242 182 20 Telefonica Del Peru
11556 236 128 4 Cable-Wireless Panama
23216 220 17 47 RAMtelecom Telecomunicaciones
6503 206 185 80 AVANTEL, S.A.
7738 205 538 24 Telecomunicacoes da Bahia S.A
28573 202 314 27 NET Servicos de Comunicao S.A
21826 184 33 49 INTERCABLE
20299 181 33 30 NEWCOM AMERICAS
19169 180 12 19 Telconet

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

ASN No of nets /20 equiv MaxAgg Description
24863 386 67 44 LINKdotNET AS number
3741 279 869 225 The Internet Solution
20858 195 34 3 EgyNet
6713 143 135 11 Itissalat Al-MAGHRIB
2018 140 299 115 Tertiary Education Network
5536 124 8 10 Internet Egypt Network
33783 124 8 11 EEPAD TISP TELECOM & INTERNET
33776 100 6 3 Starcomms Nigeria Limited
24835 88 48 6 RAYA Telecom - Egypt
15475 83 84 4 Nile Online
2905 75 174 72 The Internetworking Company o
23889 74 24 15 MAURITIUS TELECOM
20484 63 5 5 Yalla Online Autonomous Syste
16637 62 21 29 Johnnic e-Ventures
15706 55 12 4 Sudatel Internet Exchange Aut
29571 55 11 7 Ci Telecom Autonomous system
33774 47 33 26 AS Number for Telecom Algeria
5713 46 294 36 Telkom SA Ltd
12455 36 6 3 Jambonet Autonomous system
21152 31 2 5 AS for the uplinks of Soficom

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

ASN No of nets Net Savings Description
4755 1428 1361 Videsh Sanchar Nigam Ltd. Aut
11492 1161 1113 Cable One
9583 1107 1092 Sify Limited
18566 1029 1020 Covad Communications
4323 1362 1002 Time Warner Telecom
9498 1018 954 BHARTI BT INTERNET LTD.
8151 1160 941 UniNet S.A. de C.V.
6478 1121 937 AT&T Worldnet Services
17488 874 805 Hathway IP Over Cable Interne
4134 1101 799 CHINANET-BACKBONE
22773 802 748 Cox Communications, Inc.
5668 662 645 CenturyTel Internet Holdings,
577 848 637 Bell Advanced Communications
19262 797 615 Verizon Global Networks
7545 720 597 TPG Internet Pty Ltd
6517 590 557 Yipes Communications, Inc.
18101 609 556 Reliance Infocom Ltd Internet
6197 1030 522 BellSouth Network Solutions,
19916 569 522 OLM LLC
9829 530 521 BSNL National Internet Backbo

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
64999 PRIVATE 78.24.120.0/23 3257 Tiscali Intl Network
64999 PRIVATE 78.24.122.0/23 3257 Tiscali Intl Network
64999 PRIVATE 78.24.124.0/24 3257 Tiscali Intl Network
64999 PRIVATE 78.24.125.0/24 3257 Tiscali Intl Network
64999 PRIVATE 78.24.126.0/24 3257 Tiscali Intl Network
64999 PRIVATE 78.24.127.0/24 3257 Tiscali Intl Network
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
65300 PRIVATE 216.243.221.0/24 11320 Internet Express, In
65300 PRIVATE 216.243.222.0/24 11320 Internet Express, In
65300 PRIVATE 216.243.223.0/24 11320 Internet Express, In

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

Network Origin AS Description
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
172.14.254.0/24 20312 CNTI-REACCIUN "Centro Naciona
172.15.254.0/24 20312 CNTI-REACCIUN "Centro Naciona
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 /10:16 /11:39 /12:136
/13:270 /14:480 /15:949 /16:9718 /17:4168 /18:6699
/19:14600 /20:16696 /21:15568 /22:20123 /23:20859 /24:124231
/25:809 /26:1026 /27:540 /28:112 /29:5 /30:0
/31:0 /32:8

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

ASN No of nets Total ann. Description
11492 1152 1161 Cable One
6478 1120 1121 AT&T Worldnet Services
18566 1011 1029 Covad Communications
9583 945 1107 Sify Limited
2386 939 1249 AT&T Data Communications Serv
7011 866 979 Citizens Utilities
7018 832 1507 AT&T WorldNet Services
4755 818 1428 Videsh Sanchar Nigam Ltd. Aut
6197 774 1030 BellSouth Network Solutions,
23577 765 774 Korea Telecom (ATM-MPLS)
9498 704 1018 BHARTI BT INTERNET LTD.
17488 689 874 Hathway IP Over Cable Interne
577 609 848 Bell Advanced Communications
4766 605 814 Korea Telecom (KIX)
4323 575 1362 Time Warner Telecom
19916 564 569 OLM LLC
6517 546 590 Yipes Communications, Inc.
5668 521 662 CenturyTel Internet Holdings,
4668 510 520 LG-EDS Systems Inc.
18101 509 609 Reliance Infocom Ltd Internet

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

4:9 8:89 12:1799 15:19 16:3 17:6
18:13 20:35 24:1001 32:57 33:3 38:356
40:64 41:381 44:2 47:8 52:3 55:3
56:3 57:21 58:475 59:409 60:385 61:989
62:941 63:1989 64:3298 65:2374 66:3586 67:843
68:688 69:2009 70:464 71:107 72:1418 73:8
74:745 75:263 76:156 77:415 78:264 79:9
80:859 81:796 82:575 83:350 84:635 85:817
86:411 87:566 88:283 89:1020 90:38 91:702
92:5 96:1 97:6 98:12 116:419 117:206
118:42 121:336 122:636 123:205 124:702 125:1036
128:306 129:195 130:143 131:365 132:53 133:9
134:193 135:34 136:189 137:82 138:156 139:76
140:512 141:145 142:371 143:256 144:318 145:46
146:326 147:130 148:484 149:184 150:168 151:137
152:92 153:121 154:11 155:261 156:164 157:224
158:159 159:193 160:143 161:100 162:189 163:183
164:500 165:397 166:290 167:307 168:513 169:126
170:414 171:22 172:5 189:103 190:1207 192:5720
193:3987 194:3211 195:2451 196:935 198:3793 199:3226
200:5237 201:1234 202:7421 203:7773 204:3983 205:1993
206:2401 207:2794 208:2916 209:3603 210:2500 211:1077
212:1303 213:1520 214:432 215:43 216:4116 217:1204
218:323 219:384 220:1011 221:403 222:267

End of report

cscora at apnic

Nov 9, 2007, 10:13 AM

Post #30 of 149 (8340 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 10 Nov, 2007

Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/

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

BGP routing table entries examined: 237341
Prefixes after maximum aggregation: 122449
Deaggregation factor: 1.94
Unique aggregates announced to Internet: 115597
Total ASes present in the Internet Routing Table: 26637
Prefixes per ASN: 8.91
Origin-only ASes present in the Internet Routing Table: 23181
Origin ASes announcing only one prefix: 11299
Transit ASes present in the Internet Routing Table: 3456
Transit-only ASes present in the Internet Routing Table: 82
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 28
Max AS path prepend of ASN (35389) 25
Prefixes from unregistered ASNs in the Routing Table: 13
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: 1789588096
Equivalent to 106 /8s, 170 /16s and 242 /24s
Percentage of available address space announced: 48.3
Percentage of allocated address space announced: 61.8
Percentage of available address space allocated: 78.2
Total number of prefixes smaller than registry allocations: 110282

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

Prefixes being announced by APNIC Region ASes: 55382
Total APNIC prefixes after maximum aggregation: 21135
APNIC Deaggregation factor: 2.62
Prefixes being announced from the APNIC address blocks: 52274
Unique aggregates announced from the APNIC address blocks: 23121
APNIC Region origin ASes present in the Internet Routing Table: 3082
APNIC Prefixes per ASN: 16.96
APNIC Region origin ASes announcing only one prefix: 808
APNIC Region transit ASes present in the Internet Routing Table: 473
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 323915200
Equivalent to 19 /8s, 78 /16s and 141 /24s
Percentage of available APNIC address space announced: 74.1

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, 114/7, 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: 111414
Total ARIN prefixes after maximum aggregation: 63761
ARIN Deaggregation factor: 1.75
Prefixes being announced from the ARIN address blocks: 82332
Unique aggregates announced from the ARIN address blocks: 32690
ARIN Region origin ASes present in the Internet Routing Table: 11930
ARIN Prefixes per ASN: 6.90
ARIN Region origin ASes announcing only one prefix: 4591
ARIN Region transit ASes present in the Internet Routing Table: 1118
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 14
Number of ARIN addresses announced to Internet: 352392704
Equivalent to 21 /8s, 1 /16s and 22 /24s
Percentage of available ARIN address space announced: 77.8

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: 49571
Total RIPE prefixes after maximum aggregation: 31892
RIPE Deaggregation factor: 1.55
Prefixes being announced from the RIPE address blocks: 46437
Unique aggregates announced from the RIPE address blocks: 30624
RIPE Region origin ASes present in the Internet Routing Table: 10456
RIPE Prefixes per ASN: 4.44
RIPE Region origin ASes announcing only one prefix: 5544
RIPE Region transit ASes present in the Internet Routing Table: 1646
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 335900672
Equivalent to 20 /8s, 5 /16s and 112 /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
40960-45055
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: 17770
Total LACNIC prefixes after maximum aggregation: 4565
LACNIC Deaggregation factor: 3.89
Prefixes being announced from the LACNIC address blocks: 15670
Unique aggregates announced from the LACNIC address blocks: 8680
LACNIC Region origin ASes present in the Internet Routing Table: 871
LACNIC Prefixes per ASN: 17.99
LACNIC Region origin ASes announcing only one prefix: 284
LACNIC Region transit ASes present in the Internet Routing Table: 149
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 45985792
Equivalent to 2 /8s, 189 /16s and 176 /24s
Percentage of available LACNIC address space announced: 45.7

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: 3182
Total AfriNIC prefixes after maximum aggregation: 1080
AfriNIC Deaggregation factor: 2.95
Prefixes being announced from the AfriNIC address blocks: 2375
Unique aggregates announced from the AfriNIC address blocks: 1398
AfriNIC Region origin ASes present in the Internet Routing Table: 215
AfriNIC Prefixes per ASN: 11.05
AfriNIC Region origin ASes announcing only one prefix: 72
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: 14
Number of AfriNIC addresses announced to Internet: 7636224
Equivalent to 0 /8s, 116 /16s and 133 /24s
Percentage of available AfriNIC address space announced: 22.8

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
4755 1482 383 70 Videsh Sanchar Nigam Ltd. Aut
9583 1101 81 419 Sify Limited
4134 1100 11563 301 CHINANET-BACKBONE
9498 1046 549 64 BHARTI BT INTERNET LTD.
17488 879 57 70 Hathway IP Over Cable Interne
4766 815 5474 328 Korea Telecom (KIX)
23577 776 34 681 Korea Telecom (ATM-MPLS)
7545 721 159 123 TPG Internet Pty Ltd
18101 608 119 52 Reliance Infocom Ltd Internet
1221 543 1951 423 Telstra Pty Ltd
9829 530 1312 9 BSNL National Internet Backbo
4812 524 866 77 China Telecom (Shanghai)
4668 521 68 10 LG-EDS Systems Inc.
17676 504 10919 64 Softbank BB Corp.
4808 499 797 121 CNCGROUP IP network: China169
4802 481 130 141 Wantree Development
9443 440 121 70 Primus Telecommunications
7474 383 202 269 SingTel Optus Pty Ltd
17974 383 146 14 PT TELEKOMUNIKASI INDONESIA
4837 356 5050 168 chinanet IDC center beijing n

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

ASN No of nets /20 equiv MaxAgg Description
7018 1498 6146 1005 AT&T WorldNet Services
4323 1362 1014 358 Time Warner Telecom
2386 1259 630 769 AT&T Data Communications Serv
11492 1164 120 48 Cable One
6478 1121 329 184 AT&T Worldnet Services
18566 1030 288 9 Covad Communications
6197 1029 718 508 BellSouth Network Solutions,
174 981 6882 846 Cogent Communications
7011 981 290 564 Citizens Utilities
701 902 6569 706 UUNET Technologies, Inc.
20115 851 773 461 Charter Communications
3356 827 10887 411 Level 3 Communications, LLC
22773 806 2133 54 Cox Communications, Inc.
19262 802 2893 184 Verizon Global Networks
1239 801 2713 557 Sprint
209 729 3784 573 Qwest
5668 664 176 17 CenturyTel Internet Holdings,
15270 598 161 41 PaeTec.net -a division of Pae
3561 592 2324 374 Savvis
6517 585 163 33 Yipes Communications, Inc.

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

ASN No of nets /20 equiv MaxAgg Description
702 470 1917 383 UUNET - Commercial IP service
9116 335 168 28 Goldenlines main autonomous s
3301 316 1441 293 TeliaNet Sweden
3320 316 6035 262 Deutsche Telekom AG
8551 311 298 41 Bezeq International
6746 276 130 254 Dynamic Network Technologies,
8708 274 421 245 Romania Data Systems S.A.
8866 271 62 25 Bulgarian Telecommunication C
680 268 2045 254 DFN-IP service G-WiN
3215 263 2503 98 France Telecom Transpac
8220 255 444 237 COLT Telecommunications
8452 249 188 7 TEDATA
3352 235 1932 41 Ibernet, Internet Access Netw
3269 229 2967 71 TELECOM ITALIA
9121 212 1442 25 TTnet Autonomous System
3300 198 171 93 AUCS Communications Services
12479 195 578 6 Uni2 Autonomous System
1257 194 1195 177 SWIPnet Swedish IP Network
3292 193 1380 177 TDC Tele Danmark
3246 185 256 175 Song Networks

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

ASN No of nets /20 equiv MaxAgg Description
8151 1162 2419 216 UniNet S.A. de C.V.
11830 539 299 9 Instituto Costarricense de El
16814 427 27 10 NSS, S.A.
14522 381 33 8 SatNet S.A.
11172 376 114 60 Servicios Alestra S.A de C.V
7303 373 180 56 Telecom Argentina Stet-France
6471 353 77 37 ENTEL CHILE S.A.
22047 317 246 13 VTR PUNTO NET S.A.
10481 301 120 10 Prima S.A.
14117 285 19 15 Telefonica del Sur S.A.
10620 253 70 44 TVCABLE BOGOTA
6147 242 182 20 Telefonica Del Peru
11556 236 128 4 Cable-Wireless Panama
23216 218 17 46 RAMtelecom Telecomunicaciones
6503 216 187 85 AVANTEL, S.A.
28573 214 314 27 NET Servicos de Comunicao S.A
7738 206 538 24 Telecomunicacoes da Bahia S.A
20299 187 33 30 NEWCOM AMERICAS
21826 186 33 47 INTERCABLE
19169 182 12 19 Telconet

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

ASN No of nets /20 equiv MaxAgg Description
24863 380 60 40 LINKdotNET AS number
3741 281 869 226 The Internet Solution
20858 195 34 3 EgyNet
6713 143 135 11 Itissalat Al-MAGHRIB
2018 140 299 115 Tertiary Education Network
5536 124 8 10 Internet Egypt Network
33776 100 6 3 Starcomms Nigeria Limited
24835 88 48 6 RAYA Telecom - Egypt
15475 81 84 4 Nile Online
2905 75 174 72 The Internetworking Company o
23889 75 24 15 MAURITIUS TELECOM
33783 68 8 14 EEPAD TISP TELECOM & INTERNET
20484 63 5 5 Yalla Online Autonomous Syste
16637 62 21 29 Johnnic e-Ventures
15706 57 12 4 Sudatel Internet Exchange Aut
29571 56 11 7 Ci Telecom Autonomous system
33774 47 32 27 AS Number for Telecom Algeria
5713 45 294 35 Telkom SA Ltd
12455 36 6 3 Jambonet Autonomous system
8524 32 2 10 AUCEGYPT Autonomous System

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

ASN No of nets Net Savings Description
4755 1482 1412 Videsh Sanchar Nigam Ltd. Aut
11492 1164 1116 Cable One
18566 1030 1021 Covad Communications
4323 1362 1004 Time Warner Telecom
9498 1046 982 BHARTI BT INTERNET LTD.
8151 1162 946 UniNet S.A. de C.V.
6478 1121 937 AT&T Worldnet Services
17488 879 809 Hathway IP Over Cable Interne
4134 1100 799 CHINANET-BACKBONE
22773 806 752 Cox Communications, Inc.
9583 1101 682 Sify Limited
5668 664 647 CenturyTel Internet Holdings,
19262 802 618 Verizon Global Networks
7545 721 598 TPG Internet Pty Ltd
15270 598 557 PaeTec.net -a division of Pae
18101 608 556 Reliance Infocom Ltd Internet
6517 585 552 Yipes Communications, Inc.
11830 539 530 Instituto Costarricense de El
19916 569 522 OLM LLC
6197 1029 521 BellSouth Network Solutions,

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

Bad AS Designation Network Transit AS Description
64999 PRIVATE 78.24.120.0/23 3257 Tiscali Intl Network
64999 PRIVATE 78.24.122.0/23 3257 Tiscali Intl Network
64999 PRIVATE 78.24.124.0/24 3257 Tiscali Intl Network
64999 PRIVATE 78.24.125.0/24 3257 Tiscali Intl Network
64999 PRIVATE 78.24.126.0/24 3257 Tiscali Intl Network
64999 PRIVATE 78.24.127.0/24 3257 Tiscali Intl Network
65068 PRIVATE 79.171.184.0/21 43895 *
64718 PRIVATE 81.200.197.0/24 25325 AS of Deutsche Bahn
64718 PRIVATE 81.200.198.0/23 25325 AS of Deutsche Bahn
64719 PRIVATE 81.200.204.0/24 25325 AS of Deutsche Bahn
65300 PRIVATE 216.243.221.0/24 11320 Internet Express, In
65300 PRIVATE 216.243.222.0/24 11320 Internet Express, In
65300 PRIVATE 216.243.223.0/24 11320 Internet Express, In

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

Network Origin AS Description
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
172.14.254.0/24 20312 CNTI-REACCIUN "Centro Naciona
172.15.254.0/24 20312 CNTI-REACCIUN "Centro Naciona
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 /10:16 /11:39 /12:136
/13:270 /14:483 /15:948 /16:9704 /17:4190 /18:6746
/19:14663 /20:16756 /21:15647 /22:19842 /23:20840 /24:124539
/25:807 /26:1018 /27:543 /28:114 /29:5 /30:0
/31:0 /32:8

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

ASN No of nets Total ann. Description
11492 1155 1164 Cable One
6478 1120 1121 AT&T Worldnet Services
18566 1012 1030 Covad Communications
2386 950 1259 AT&T Data Communications Serv
9583 946 1101 Sify Limited
7011 868 981 Citizens Utilities
4755 850 1482 Videsh Sanchar Nigam Ltd. Aut
7018 826 1498 AT&T WorldNet Services
6197 773 1029 BellSouth Network Solutions,
23577 767 776 Korea Telecom (ATM-MPLS)
9498 730 1046 BHARTI BT INTERNET LTD.
17488 694 879 Hathway IP Over Cable Interne
4766 606 815 Korea Telecom (KIX)
4323 575 1362 Time Warner Telecom
19916 564 569 OLM LLC
15270 560 598 PaeTec.net -a division of Pae
6517 541 585 Yipes Communications, Inc.
5668 522 664 CenturyTel Internet Holdings,
4668 511 521 LG-EDS Systems Inc.
18101 509 608 Reliance Infocom Ltd Internet

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

4:9 8:89 12:1826 15:19 16:3 17:6
18:13 20:35 24:993 25:1 32:57 33:3
38:360 40:64 41:396 44:2 47:8 52:3
55:3 56:3 57:21 58:480 59:414 60:384
61:987 62:940 63:1981 64:3304 65:2375 66:3569
67:906 68:677 69:2012 70:466 71:106 72:1434
73:7 74:750 75:263 76:151 77:416 78:271
79:11 80:873 81:787 82:535 83:350 84:617
85:827 86:356 87:590 88:281 89:1019 90:38
91:729 92:5 96:2 97:6 98:9 116:428
117:224 118:43 121:337 122:643 123:208 124:700
125:1041 128:309 129:194 130:141 131:369 132:57
133:9 134:193 135:34 136:192 137:82 138:152
139:76 140:519 141:145 142:372 143:254 144:324
145:50 146:326 147:127 148:485 149:184 150:167
151:137 152:93 153:121 154:11 155:261 156:164
157:222 158:160 159:187 160:132 161:100 162:190
163:184 164:498 165:397 166:291 167:308 168:515
169:129 170:419 171:24 172:5 189:115 190:1206
192:5727 193:4031 194:3203 195:2463 196:924 198:3799
199:3227 200:5234 201:1254 202:7474 203:7812 204:3983
205:1996 206:2437 207:2785 208:2942 209:3596 210:2501
211:1078 212:1306 213:1523 214:419 215:44 216:4093
217:1190 218:320 219:396 220:1012 221:407 222:267

End of report

cscora at apnic

Nov 16, 2007, 10:03 AM

Post #31 of 149 (8338 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 17 Nov, 2007

Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/

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

BGP routing table entries examined: 237728
Prefixes after maximum aggregation: 122638
Deaggregation factor: 1.94
Unique aggregates announced to Internet: 116219
Total ASes present in the Internet Routing Table: 26647
Prefixes per ASN: 8.92
Origin-only ASes present in the Internet Routing Table: 23206
Origin ASes announcing only one prefix: 11285
Transit ASes present in the Internet Routing Table: 3441
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: 28
Max AS path prepend of ASN (35389) 25
Prefixes from unregistered ASNs in the Routing Table: 12
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: 1792213248
Equivalent to 106 /8s, 211 /16s and 1 /24s
Percentage of available address space announced: 48.4
Percentage of allocated address space announced: 61.8
Percentage of available address space allocated: 78.2
Total number of prefixes smaller than registry allocations: 110584

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

Prefixes being announced by APNIC Region ASes: 55518
Total APNIC prefixes after maximum aggregation: 21176
APNIC Deaggregation factor: 2.62
Prefixes being announced from the APNIC address blocks: 52412
Unique aggregates announced from the APNIC address blocks: 23200
APNIC Region origin ASes present in the Internet Routing Table: 3065
APNIC Prefixes per ASN: 17.10
APNIC Region origin ASes announcing only one prefix: 795
APNIC Region transit ASes present in the Internet Routing Table: 472
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 325256896
Equivalent to 19 /8s, 99 /16s and 6 /24s
Percentage of available APNIC address space announced: 74.4

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, 114/7, 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: 111599
Total ARIN prefixes after maximum aggregation: 63807
ARIN Deaggregation factor: 1.75
Prefixes being announced from the ARIN address blocks: 82514
Unique aggregates announced from the ARIN address blocks: 32770
ARIN Region origin ASes present in the Internet Routing Table: 11942
ARIN Prefixes per ASN: 6.91
ARIN Region origin ASes announcing only one prefix: 4596
ARIN Region transit ASes present in the Internet Routing Table: 1123
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 14
Number of ARIN addresses announced to Internet: 352493952
Equivalent to 21 /8s, 2 /16s and 161 /24s
Percentage of available ARIN address space announced: 77.8

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: 49651
Total RIPE prefixes after maximum aggregation: 31991
RIPE Deaggregation factor: 1.55
Prefixes being announced from the RIPE address blocks: 46515
Unique aggregates announced from the RIPE address blocks: 30992
RIPE Region origin ASes present in the Internet Routing Table: 10471
RIPE Prefixes per ASN: 4.44
RIPE Region origin ASes announcing only one prefix: 5544
RIPE Region transit ASes present in the Internet Routing Table: 1631
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 336803584
Equivalent to 20 /8s, 19 /16s and 55 /24s
Percentage of available RIPE address space announced: 77.2

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
40960-45055
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: 17693
Total LACNIC prefixes after maximum aggregation: 4565
LACNIC Deaggregation factor: 3.88
Prefixes being announced from the LACNIC address blocks: 15727
Unique aggregates announced from the LACNIC address blocks: 8772
LACNIC Region origin ASes present in the Internet Routing Table: 876
LACNIC Prefixes per ASN: 17.95
LACNIC Region origin ASes announcing only one prefix: 282
LACNIC Region transit ASes present in the Internet Routing Table: 149
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 45867008
Equivalent to 2 /8s, 187 /16s and 224 /24s
Percentage of available LACNIC address space announced: 45.6

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: 3247
Total AfriNIC prefixes after maximum aggregation: 1085
AfriNIC Deaggregation factor: 2.99
Prefixes being announced from the AfriNIC address blocks: 2398
Unique aggregates announced from the AfriNIC address blocks: 1409
AfriNIC Region origin ASes present in the Internet Routing Table: 214
AfriNIC Prefixes per ASN: 11.21
AfriNIC Region origin ASes announcing only one prefix: 68
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: 14
Number of AfriNIC addresses announced to Internet: 8173056
Equivalent to 0 /8s, 124 /16s and 182 /24s
Percentage of available AfriNIC address space announced: 24.4

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 1464 383 69 Videsh Sanchar Nigam Ltd. Aut
4134 1102 11565 303 CHINANET-BACKBONE
9583 1089 81 421 Sify Limited
9498 1049 549 64 BHARTI BT INTERNET LTD.
17488 879 57 70 Hathway IP Over Cable Interne
4766 816 5474 329 Korea Telecom (KIX)
23577 798 33 681 Korea Telecom (ATM-MPLS)
7545 721 159 123 TPG Internet Pty Ltd
18101 611 120 55 Reliance Infocom Ltd Internet
1221 543 1951 424 Telstra Pty Ltd
9829 530 1312 9 BSNL National Internet Backbo
4812 524 866 77 China Telecom (Shanghai)
4668 520 68 10 LG-EDS Systems Inc.
4808 504 799 122 CNCGROUP IP network: China169
17676 503 10919 64 Softbank BB Corp.
4802 482 130 142 Wantree Development
9443 440 121 70 Primus Telecommunications
17974 398 146 14 PT TELEKOMUNIKASI INDONESIA
7474 383 202 269 SingTel Optus Pty Ltd
4837 356 5050 168 chinanet IDC center beijing n

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

ASN No of nets /20 equiv MaxAgg Description
7018 1500 6140 1013 AT&T WorldNet Services
4323 1367 1016 359 Time Warner Telecom
2386 1272 633 782 AT&T Data Communications Serv
11492 1171 122 41 Cable One
6478 1124 329 179 AT&T Worldnet Services
18566 1032 288 9 Covad Communications
6197 1028 693 523 BellSouth Network Solutions,
7011 982 291 570 Citizens Utilities
174 975 6857 839 Cogent Communications
701 906 6570 708 UUNET Technologies, Inc.
20115 846 775 453 Charter Communications
3356 833 10887 415 Level 3 Communications, LLC
22773 819 2133 54 Cox Communications, Inc.
19262 812 2926 183 Verizon Global Networks
1239 799 2711 555 Sprint
209 736 3786 578 Qwest
5668 664 176 17 CenturyTel Internet Holdings,
15270 601 161 41 PaeTec.net -a division of Pae
3561 591 2324 372 Savvis
6517 585 163 33 Yipes Communications, Inc.

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

ASN No of nets /20 equiv MaxAgg Description
702 468 1917 381 UUNET - Commercial IP service
9116 348 184 28 Goldenlines main autonomous s
8551 327 314 40 Bezeq International
3301 316 1441 293 TeliaNet Sweden
3320 316 6035 262 Deutsche Telekom AG
8866 280 78 26 Bulgarian Telecommunication C
8708 275 421 245 Romania Data Systems S.A.
6746 274 129 252 Dynamic Network Technologies,
680 268 2045 254 DFN-IP service G-WiN
3215 265 2519 91 France Telecom Transpac
8452 262 188 7 TEDATA
8220 258 445 236 COLT Telecommunications
3352 235 1932 41 Ibernet, Internet Access Netw
3269 230 2967 72 TELECOM ITALIA
9121 210 1442 25 TTnet Autonomous System
3300 198 171 93 AUCS Communications Services
3246 196 258 186 Song Networks
12479 195 578 6 Uni2 Autonomous System
1257 193 1194 176 SWIPnet Swedish IP Network
3292 193 1380 177 TDC Tele Danmark

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

ASN No of nets /20 equiv MaxAgg Description
8151 1131 2383 216 UniNet S.A. de C.V.
11830 539 299 9 Instituto Costarricense de El
16814 427 27 10 NSS, S.A.
14522 381 33 8 SatNet S.A.
7303 377 183 58 Telecom Argentina Stet-France
11172 374 114 60 Servicios Alestra S.A de C.V
6471 357 85 38 ENTEL CHILE S.A.
22047 317 246 13 VTR PUNTO NET S.A.
10481 301 120 10 Prima S.A.
14117 285 19 15 Telefonica del Sur S.A.
10620 260 72 42 TVCABLE BOGOTA
6147 242 182 20 Telefonica Del Peru
11556 236 128 4 Cable-Wireless Panama
23216 220 17 47 RAMtelecom Telecomunicaciones
28573 212 314 27 NET Servicos de Comunicao S.A
6503 211 185 81 AVANTEL, S.A.
7738 206 538 24 Telecomunicacoes da Bahia S.A
20299 200 33 30 NEWCOM AMERICAS
21826 186 33 47 INTERCABLE
19169 183 12 19 Telconet

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

ASN No of nets /20 equiv MaxAgg Description
24863 388 60 43 LINKdotNET AS number
3741 281 869 226 The Internet Solution
20858 198 34 3 EgyNet
6713 143 135 11 Itissalat Al-MAGHRIB
2018 141 299 116 Tertiary Education Network
5536 124 8 10 Internet Egypt Network
33783 123 8 16 EEPAD TISP TELECOM & INTERNET
33776 100 6 3 Starcomms Nigeria Limited
24835 88 48 6 RAYA Telecom - Egypt
15475 83 84 4 Nile Online
2905 76 176 73 The Internetworking Company o
23889 76 24 15 MAURITIUS TELECOM
20484 64 5 6 Yalla Online Autonomous Syste
15706 58 12 4 Sudatel Internet Exchange Aut
29571 55 11 7 Ci Telecom Autonomous system
33774 48 33 26 AS Number for Telecom Algeria
5713 46 422 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

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

ASN No of nets Net Savings Description
4755 1464 1395 Videsh Sanchar Nigam Ltd. Aut
11492 1171 1130 Cable One
18566 1032 1023 Covad Communications
4323 1367 1008 Time Warner Telecom
9498 1049 985 BHARTI BT INTERNET LTD.
6478 1124 945 AT&T Worldnet Services
8151 1131 915 UniNet S.A. de C.V.
17488 879 809 Hathway IP Over Cable Interne
4134 1102 799 CHINANET-BACKBONE
22773 819 765 Cox Communications, Inc.
9583 1089 668 Sify Limited
5668 664 647 CenturyTel Internet Holdings,
19262 812 629 Verizon Global Networks
7545 721 598 TPG Internet Pty Ltd
15270 601 560 PaeTec.net -a division of Pae
18101 611 556 Reliance Infocom Ltd Internet
6517 585 552 Yipes Communications, Inc.
11830 539 530 Instituto Costarricense de El
19916 569 522 OLM LLC
9829 530 521 BSNL National Internet Backbo

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

Bad AS Designation Network Transit AS Description
65000 PRIVATE 41.204.180.0/24 36866 Jamii Telecommunicat
64999 PRIVATE 78.24.120.0/23 3257 Tiscali Intl Network
64999 PRIVATE 78.24.122.0/23 3257 Tiscali Intl Network
64999 PRIVATE 78.24.124.0/24 3257 Tiscali Intl Network
64999 PRIVATE 78.24.125.0/24 3257 Tiscali Intl Network
64999 PRIVATE 78.24.126.0/24 3257 Tiscali Intl Network
64999 PRIVATE 78.24.127.0/24 3257 Tiscali Intl Network
65068 PRIVATE 79.171.184.0/21 43895 *
65044 PRIVATE 195.2.228.0/23 9044 SolNet Backbone
65300 PRIVATE 216.243.221.0/24 11320 Internet Express, In
65300 PRIVATE 216.243.222.0/24 11320 Internet Express, In
65300 PRIVATE 216.243.223.0/24 11320 Internet Express, In

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

Network Origin AS Description
31.31.31.0/24 9730 The Best ISP to go Multimedia
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
173.173.173.0/24 9730 The Best ISP to go Multimedia
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 /10:16 /11:39 /12:134
/13:270 /14:483 /15:947 /16:9726 /17:4201 /18:6777
/19:14681 /20:16839 /21:15716 /22:19903 /23:20907 /24:124578
/25:816 /26:1018 /27:536 /28:101 /29:5 /30:0
/31:0 /32:8

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

ASN No of nets Total ann. Description
11492 1162 1171 Cable One
6478 1123 1124 AT&T Worldnet Services
18566 1014 1032 Covad Communications
2386 963 1272 AT&T Data Communications Serv
9583 933 1089 Sify Limited
7011 869 982 Citizens Utilities
4755 836 1464 Videsh Sanchar Nigam Ltd. Aut
7018 824 1500 AT&T WorldNet Services
23577 789 798 Korea Telecom (ATM-MPLS)
6197 773 1028 BellSouth Network Solutions,
9498 733 1049 BHARTI BT INTERNET LTD.
17488 694 879 Hathway IP Over Cable Interne
4766 606 816 Korea Telecom (KIX)
4323 580 1367 Time Warner Telecom
19916 564 569 OLM LLC
15270 563 601 PaeTec.net -a division of Pae
6517 541 585 Yipes Communications, Inc.
5668 522 664 CenturyTel Internet Holdings,
4668 510 520 LG-EDS Systems Inc.
18101 508 611 Reliance Infocom Ltd Internet

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

4:9 8:89 12:1843 13:1 15:19 16:3
17:6 18:13 20:35 24:1006 25:1 31:1
32:63 33:3 38:361 40:64 41:398 44:2
47:8 52:3 55:3 56:3 57:21 58:477
59:414 60:384 61:988 62:937 63:1981 64:3297
65:2373 66:3586 67:897 68:680 69:1993 70:465
71:105 72:1432 73:7 74:735 75:263 76:156
77:429 78:279 79:17 80:876 81:795 82:570
83:351 84:616 85:826 86:359 87:594 88:284
89:1021 90:39 91:746 92:5 96:2 97:6
98:13 116:427 117:224 118:45 121:327 122:642
123:204 124:720 125:1050 128:308 129:195 130:137
131:371 132:59 133:9 134:194 135:34 136:192
137:82 138:153 139:75 140:420 141:146 142:373
143:257 144:324 145:48 146:331 147:125 148:484
149:185 150:113 151:137 152:95 153:122 154:11
155:260 156:164 157:225 158:160 159:197 160:163
161:102 162:190 163:184 164:498 165:404 166:290
167:309 168:517 169:128 170:415 171:29 172:3
173:1 189:116 190:1218 192:5733 193:4040 194:3201
195:2329 196:927 198:3804 199:3229 200:5241 201:1276
202:7451 203:7836 204:3988 205:2003 206:2408 207:2781
208:2972 209:3582 210:2494 211:1106 212:1306 213:1540
214:424 215:44 216:4094 217:1189 218:337 219:399
220:1013 221:409 222:277

End of report

cscora at apnic

Nov 23, 2007, 10:03 AM

Post #32 of 149 (8330 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 24 Nov, 2007

Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/

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

BGP routing table entries examined: 238535
Prefixes after maximum aggregation: 122807
Deaggregation factor: 1.94
Unique aggregates announced to Internet: 116623
Total ASes present in the Internet Routing Table: 26735
Prefixes per ASN: 8.92
Origin-only ASes present in the Internet Routing Table: 23288
Origin ASes announcing only one prefix: 11329
Transit ASes present in the Internet Routing Table: 3447
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: 28
Max AS path prepend of ASN (35389) 25
Prefixes from unregistered ASNs in the Routing Table: 11
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: 14
Number of addresses announced to Internet: 1795338624
Equivalent to 107 /8s, 2 /16s and 177 /24s
Percentage of available address space announced: 48.4
Percentage of allocated address space announced: 62.0
Percentage of available address space allocated: 78.2
Total number of prefixes smaller than registry allocations: 111254

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

Prefixes being announced by APNIC Region ASes: 55648
Total APNIC prefixes after maximum aggregation: 21214
APNIC Deaggregation factor: 2.62
Prefixes being announced from the APNIC address blocks: 52529
Unique aggregates announced from the APNIC address blocks: 23281
APNIC Region origin ASes present in the Internet Routing Table: 3087
APNIC Prefixes per ASN: 17.02
APNIC Region origin ASes announcing only one prefix: 805
APNIC Region transit ASes present in the Internet Routing Table: 470
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 22
Number of APNIC addresses announced to Internet: 325871808
Equivalent to 19 /8s, 108 /16s and 104 /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, 114/7, 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: 111759
Total ARIN prefixes after maximum aggregation: 63821
ARIN Deaggregation factor: 1.75
Prefixes being announced from the ARIN address blocks: 82558
Unique aggregates announced from the ARIN address blocks: 32870
ARIN Region origin ASes present in the Internet Routing Table: 11952
ARIN Prefixes per ASN: 6.91
ARIN Region origin ASes announcing only one prefix: 4595
ARIN Region transit ASes present in the Internet Routing Table: 1124
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 353657728
Equivalent to 21 /8s, 20 /16s and 99 /24s
Percentage of available ARIN address space announced: 78.1

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: 49931
Total RIPE prefixes after maximum aggregation: 32098
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 46805
Unique aggregates announced from the RIPE address blocks: 31153
RIPE Region origin ASes present in the Internet Routing Table: 10523
RIPE Prefixes per ASN: 4.45
RIPE Region origin ASes announcing only one prefix: 5574
RIPE Region transit ASes present in the Internet Routing Table: 1633
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 337233792
Equivalent to 20 /8s, 25 /16s and 199 /24s
Percentage of available RIPE address space announced: 77.3

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
40960-45055
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: 17908
Total LACNIC prefixes after maximum aggregation: 4571
LACNIC Deaggregation factor: 3.92
Prefixes being announced from the LACNIC address blocks: 15881
Unique aggregates announced from the LACNIC address blocks: 8840
LACNIC Region origin ASes present in the Internet Routing Table: 880
LACNIC Prefixes per ASN: 18.05
LACNIC Region origin ASes announcing only one prefix: 286
LACNIC Region transit ASes present in the Internet Routing Table: 155
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 22
Number of LACNIC addresses announced to Internet: 46482944
Equivalent to 2 /8s, 197 /16s and 70 /24s
Percentage of available LACNIC address space announced: 46.2

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: 3269
Total AfriNIC prefixes after maximum aggregation: 1087
AfriNIC Deaggregation factor: 3.01
Prefixes being announced from the AfriNIC address blocks: 2409
Unique aggregates announced from the AfriNIC address blocks: 1423
AfriNIC Region origin ASes present in the Internet Routing Table: 215
AfriNIC Prefixes per ASN: 11.20
AfriNIC Region origin ASes announcing only one prefix: 69
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: 14
Number of AfriNIC addresses announced to Internet: 8199680
Equivalent to 0 /8s, 125 /16s and 30 /24s
Percentage of available AfriNIC address space announced: 24.4

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 1473 383 70 Videsh Sanchar Nigam Ltd. Aut
4134 1107 11573 304 CHINANET-BACKBONE
9583 1096 81 422 Sify Limited
9498 1050 549 64 BHARTI BT INTERNET LTD.
17488 899 58 70 Hathway IP Over Cable Interne
4766 816 5474 329 Korea Telecom (KIX)
23577 799 34 683 Korea Telecom (ATM-MPLS)
7545 723 159 123 TPG Internet Pty Ltd
18101 607 120 56 Reliance Infocom Ltd Internet
1221 547 1951 424 Telstra Pty Ltd
9829 530 1312 9 BSNL National Internet Backbo
4812 529 869 79 China Telecom (Shanghai)
4668 518 68 10 LG-EDS Systems Inc.
4808 507 797 122 CNCGROUP IP network: China169
17676 503 10919 64 Softbank BB Corp.
4802 482 130 142 Wantree Development
9443 440 121 70 Primus Telecommunications
17974 399 146 14 PT TELEKOMUNIKASI INDONESIA
7474 382 202 268 SingTel Optus Pty Ltd
4837 359 5068 170 chinanet IDC center beijing n

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

ASN No of nets /20 equiv MaxAgg Description
7018 1505 6140 1014 AT&T WorldNet Services
4323 1377 1017 363 Time Warner Telecom
2386 1279 633 788 AT&T Data Communications Serv
11492 1178 123 40 Cable One
6478 1124 330 174 AT&T Worldnet Services
18566 1033 288 9 Covad Communications
6197 1029 719 509 BellSouth Network Solutions,
7011 983 292 571 Citizens Utilities
174 969 6858 830 Cogent Communications
701 903 6566 708 UUNET Technologies, Inc.
20115 846 775 453 Charter Communications
3356 833 10887 415 Level 3 Communications, LLC
22773 820 2133 54 Cox Communications, Inc.
19262 814 2950 182 Verizon Global Networks
1239 800 2712 557 Sprint
209 739 3786 582 Qwest
5668 662 176 17 CenturyTel Internet Holdings,
15270 608 161 41 PaeTec.net -a division of Pae
6517 595 163 33 Yipes Communications, Inc.
852 582 1109 358 Telus Advanced Communications

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

ASN No of nets /20 equiv MaxAgg Description
702 468 1917 381 UUNET - Commercial IP service
9116 346 184 28 Goldenlines main autonomous s
8551 325 314 40 Bezeq International
3301 317 1441 292 TeliaNet Sweden
3320 316 6035 262 Deutsche Telekom AG
8866 279 78 26 Bulgarian Telecommunication C
6746 275 129 252 Dynamic Network Technologies,
8708 274 421 244 Romania Data Systems S.A.
680 268 2045 254 DFN-IP service G-WiN
3215 266 2535 92 France Telecom Transpac
8220 256 445 236 COLT Telecommunications
3352 235 1932 41 Ibernet, Internet Access Netw
8452 231 188 7 TEDATA
3269 230 2967 72 TELECOM ITALIA
3292 223 1386 204 TDC Tele Danmark
3300 212 220 100 AUCS Communications Services
9121 210 1442 25 TTnet Autonomous System
1257 195 1195 178 SWIPnet Swedish IP Network
12479 195 578 6 Uni2 Autonomous System
2856 188 2303 157 BTnet UK Regional network

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

ASN No of nets /20 equiv MaxAgg Description
8151 1162 2418 215 UniNet S.A. de C.V.
11830 539 299 9 Instituto Costarricense de El
16814 427 27 10 NSS, S.A.
7303 385 188 56 Telecom Argentina Stet-France
14522 381 33 8 SatNet S.A.
11172 376 114 61 Servicios Alestra S.A de C.V
6471 363 85 38 ENTEL CHILE S.A.
22047 319 254 13 VTR PUNTO NET S.A.
10481 301 120 10 Prima S.A.
14117 285 19 15 Telefonica del Sur S.A.
10620 282 78 22 TVCABLE BOGOTA
7738 242 602 25 Telecomunicacoes da Bahia S.A
6147 241 182 20 Telefonica Del Peru
11556 236 128 4 Cable-Wireless Panama
23216 219 17 52 RAMtelecom Telecomunicaciones
6503 217 187 86 AVANTEL, S.A.
28573 213 314 27 NET Servicos de Comunicao S.A
20299 202 33 30 NEWCOM AMERICAS
19169 186 12 19 Telconet
21826 186 33 47 INTERCABLE

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

ASN No of nets /20 equiv MaxAgg Description
24863 391 60 39 LINKdotNET AS number
3741 280 869 226 The Internet Solution
20858 200 34 3 EgyNet
2018 144 300 116 Tertiary Education Network
6713 144 135 11 Itissalat Al-MAGHRIB
5536 124 8 10 Internet Egypt Network
33783 118 8 19 EEPAD TISP TELECOM & INTERNET
33776 100 6 3 Starcomms Nigeria Limited
24835 88 48 6 RAYA Telecom - Egypt
15475 83 84 4 Nile Online
2905 77 175 74 The Internetworking Company o
23889 74 24 15 MAURITIUS TELECOM
20484 66 5 6 Yalla Online Autonomous Syste
15706 58 12 4 Sudatel Internet Exchange Aut
29571 56 13 7 Ci Telecom Autonomous system
33774 50 37 28 AS Number for Telecom Algeria
5713 46 422 36 Telkom SA Ltd
16637 42 21 28 Johnnic e-Ventures
12455 36 6 3 Jambonet Autonomous system
8524 32 2 10 AUCEGYPT Autonomous System

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

ASN No of nets Net Savings Description
4755 1473 1403 Videsh Sanchar Nigam Ltd. Aut
11492 1178 1138 Cable One
18566 1033 1024 Covad Communications
4323 1377 1014 Time Warner Telecom
9498 1050 986 BHARTI BT INTERNET LTD.
6478 1124 950 AT&T Worldnet Services
8151 1162 947 UniNet S.A. de C.V.
17488 899 829 Hathway IP Over Cable Interne
4134 1107 803 CHINANET-BACKBONE
22773 820 766 Cox Communications, Inc.
9583 1096 674 Sify Limited
5668 662 645 CenturyTel Internet Holdings,
19262 814 632 Verizon Global Networks
7545 723 600 TPG Internet Pty Ltd
15270 608 567 PaeTec.net -a division of Pae
6517 595 562 Yipes Communications, Inc.
18101 607 551 Reliance Infocom Ltd Internet
11830 539 530 Instituto Costarricense de El
19916 569 522 OLM LLC
9829 530 521 BSNL National Internet Backbo

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

Bad AS Designation Network Transit AS Description
65000 PRIVATE 41.204.180.0/24 36866 Jamii Telecommunicat
64999 PRIVATE 78.24.120.0/23 3257 Tiscali Intl Network
64999 PRIVATE 78.24.122.0/23 3257 Tiscali Intl Network
64999 PRIVATE 78.24.124.0/24 3257 Tiscali Intl Network
64999 PRIVATE 78.24.125.0/24 3257 Tiscali Intl Network
64999 PRIVATE 78.24.126.0/24 3257 Tiscali Intl Network
64999 PRIVATE 78.24.127.0/24 3257 Tiscali Intl Network
65068 PRIVATE 79.171.184.0/21 43895 *
65300 PRIVATE 216.243.221.0/24 11320 Internet Express, In
65300 PRIVATE 216.243.222.0/24 11320 Internet Express, In
65300 PRIVATE 216.243.223.0/24 11320 Internet Express, In

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

Network Origin AS Description
31.31.31.0/24 9730 The Best ISP to go Multimedia
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
172.14.254.0/24 20312 CNTI-REACCIUN "Centro Naciona
172.15.254.0/24 20312 CNTI-REACCIUN "Centro Naciona
172.33.1.0/24 7018 AT&T WorldNet Services
173.173.173.0/24 9730 The Best ISP to go Multimedia
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 /10:16 /11:40 /12:134
/13:270 /14:483 /15:950 /16:9739 /17:4211 /18:6782
/19:14758 /20:16877 /21:15781 /22:19958 /23:20959 /24:125048
/25:808 /26:1025 /27:554 /28:101 /29:5 /30:1
/31:0 /32:8

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

ASN No of nets Total ann. Description
11492 1169 1178 Cable One
6478 1123 1124 AT&T Worldnet Services
18566 1015 1033 Covad Communications
2386 970 1279 AT&T Data Communications Serv
9583 941 1096 Sify Limited
7011 870 983 Citizens Utilities
4755 844 1473 Videsh Sanchar Nigam Ltd. Aut
7018 826 1505 AT&T WorldNet Services
23577 790 799 Korea Telecom (ATM-MPLS)
6197 772 1029 BellSouth Network Solutions,
9498 734 1050 BHARTI BT INTERNET LTD.
17488 714 899 Hathway IP Over Cable Interne
4766 606 816 Korea Telecom (KIX)
4323 582 1377 Time Warner Telecom
15270 570 608 PaeTec.net -a division of Pae
19916 564 569 OLM LLC
6517 551 595 Yipes Communications, Inc.
5668 521 662 CenturyTel Internet Holdings,
4668 508 518 LG-EDS Systems Inc.
18101 502 607 Reliance Infocom Ltd Internet

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

4:9 8:89 12:1866 13:1 15:20 16:3
17:6 18:13 20:35 24:1007 25:1 31:1
32:63 33:3 38:360 40:64 41:403 44:2
47:8 52:3 55:3 56:3 57:21 58:476
59:415 60:384 61:995 62:952 63:1979 64:3305
65:2365 66:3597 67:909 68:650 69:2033 70:467
71:105 72:1444 73:7 74:741 75:263 76:141
77:459 78:336 79:25 80:880 81:773 82:567
83:351 84:616 85:879 86:363 87:602 88:285
89:1029 90:39 91:740 92:5 96:2 97:6
98:15 114:1 115:1 116:448 117:230 118:47
121:345 122:649 123:203 124:725 125:1048 128:308
129:195 130:136 131:368 132:59 133:8 134:193
135:34 136:193 137:82 138:153 139:76 140:517
141:146 142:374 143:259 144:324 145:48 146:332
147:124 148:481 149:185 150:169 151:137 152:95
153:122 154:11 155:267 156:164 157:224 158:160
159:197 160:183 161:102 162:190 163:184 164:496
165:405 166:290 167:309 168:521 169:130 170:418
171:29 172:5 173:1 189:117 190:1249 192:5724
193:4038 194:3197 195:2324 196:924 198:3799 199:3221
200:5247 201:1282 202:7453 203:7833 204:3978 205:2007
206:2407 207:2771 208:2972 209:3570 210:2490 211:1107
212:1319 213:1578 214:413 215:46 216:4103 217:1178
218:335 219:401 220:990 221:409 222:281

End of report

cscora at apnic

Nov 30, 2007, 10:03 AM

Post #33 of 149 (8311 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 Dec, 2007

Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/

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

BGP routing table entries examined: 239310
Prefixes after maximum aggregation: 123017
Deaggregation factor: 1.95
Unique aggregates announced to Internet: 116714
Total ASes present in the Internet Routing Table: 26802
Prefixes per ASN: 8.93
Origin-only ASes present in the Internet Routing Table: 23334
Origin ASes announcing only one prefix: 11385
Transit ASes present in the Internet Routing Table: 3468
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: 28
Max AS path prepend of ASN (35389) 25
Prefixes from unregistered ASNs in the Routing Table: 2
Unregistered ASNs in the Routing Table: 8
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: 14
Number of addresses announced to Internet: 1796436832
Equivalent to 107 /8s, 19 /16s and 115 /24s
Percentage of available address space announced: 48.5
Percentage of allocated address space announced: 62.0
Percentage of available address space allocated: 78.2
Total number of prefixes smaller than registry allocations: 111869

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

Prefixes being announced by APNIC Region ASes: 55812
Total APNIC prefixes after maximum aggregation: 21251
APNIC Deaggregation factor: 2.63
Prefixes being announced from the APNIC address blocks: 52717
Unique aggregates announced from the APNIC address blocks: 23396
APNIC Region origin ASes present in the Internet Routing Table: 3089
APNIC Prefixes per ASN: 17.07
APNIC Region origin ASes announcing only one prefix: 805
APNIC Region transit ASes present in the Internet Routing Table: 472
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 326303136
Equivalent to 19 /8s, 114 /16s and 253 /24s
Percentage of available APNIC address space announced: 74.6

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, 114/7, 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: 111989
Total ARIN prefixes after maximum aggregation: 63832
ARIN Deaggregation factor: 1.75
Prefixes being announced from the ARIN address blocks: 82596
Unique aggregates announced from the ARIN address blocks: 32775
ARIN Region origin ASes present in the Internet Routing Table: 11975
ARIN Prefixes per ASN: 6.90
ARIN Region origin ASes announcing only one prefix: 4607
ARIN Region transit ASes present in the Internet Routing Table: 1126
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 354117248
Equivalent to 21 /8s, 27 /16s and 102 /24s
Percentage of available ARIN address space announced: 78.2

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: 50277
Total RIPE prefixes after maximum aggregation: 32218
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 47104
Unique aggregates announced from the RIPE address blocks: 31176
RIPE Region origin ASes present in the Internet Routing Table: 10570
RIPE Prefixes per ASN: 4.46
RIPE Region origin ASes announcing only one prefix: 5620
RIPE Region transit ASes present in the Internet Routing Table: 1641
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 337246848
Equivalent to 20 /8s, 25 /16s and 250 /24s
Percentage of available RIPE address space announced: 77.3

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
40960-45055
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: 17959
Total LACNIC prefixes after maximum aggregation: 4600
LACNIC Deaggregation factor: 3.90
Prefixes being announced from the LACNIC address blocks: 15937
Unique aggregates announced from the LACNIC address blocks: 8874
LACNIC Region origin ASes present in the Internet Routing Table: 880
LACNIC Prefixes per ASN: 18.11
LACNIC Region origin ASes announcing only one prefix: 284
LACNIC Region transit ASes present in the Internet Routing Table: 158
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 46780928
Equivalent to 2 /8s, 201 /16s and 210 /24s
Percentage of available LACNIC address space announced: 46.5

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: 3262
Total AfriNIC prefixes after maximum aggregation: 1100
AfriNIC Deaggregation factor: 2.97
Prefixes being announced from the AfriNIC address blocks: 2430
Unique aggregates announced from the AfriNIC address blocks: 1439
AfriNIC Region origin ASes present in the Internet Routing Table: 213
AfriNIC Prefixes per ASN: 11.41
AfriNIC Region origin ASes announcing only one prefix: 69
AfriNIC Region transit ASes present in the Internet Routing Table: 40
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 8190976
Equivalent to 0 /8s, 124 /16s and 252 /24s
Percentage of available AfriNIC address space announced: 24.4

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 1485 383 69 Videsh Sanchar Nigam Ltd. Aut
4134 1106 11569 304 CHINANET-BACKBONE
9583 1093 81 423 Sify Limited
9498 1056 550 65 BHARTI BT INTERNET LTD.
17488 908 59 76 Hathway IP Over Cable Interne
9829 849 1312 9 BSNL National Internet Backbo
4766 818 5474 330 Korea Telecom (KIX)
23577 800 34 684 Korea Telecom (ATM-MPLS)
7545 683 152 116 TPG Internet Pty Ltd
18101 607 120 55 Reliance Infocom Ltd Internet
1221 546 1952 422 Telstra Pty Ltd
4812 530 869 79 China Telecom (Shanghai)
4668 519 68 10 LG-EDS Systems Inc.
4808 506 796 120 CNCGROUP IP network: China169
17676 503 10919 64 Softbank BB Corp.
4802 471 133 142 Wantree Development
9443 440 121 70 Primus Telecommunications
17974 403 145 17 PT TELEKOMUNIKASI INDONESIA
7474 383 202 269 SingTel Optus Pty Ltd
4837 362 5084 173 chinanet IDC center beijing n

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

ASN No of nets /20 equiv MaxAgg Description
7018 1498 6139 1007 AT&T WorldNet Services
4323 1380 1017 363 Time Warner Telecom
2386 1282 633 792 AT&T Data Communications Serv
11492 1179 128 36 Cable One
6478 1124 329 178 AT&T Worldnet Services
18566 1033 288 9 Covad Communications
6197 1027 719 509 BellSouth Network Solutions,
7011 992 295 577 Citizens Utilities
174 979 6858 829 Cogent Communications
701 904 6550 709 UUNET Technologies, Inc.
20115 846 774 457 Charter Communications
3356 842 10887 416 Level 3 Communications, LLC
22773 823 2133 54 Cox Communications, Inc.
19262 815 2967 188 Verizon Global Networks
1239 792 2711 551 Sprint
209 742 3786 583 Qwest
5668 658 176 17 CenturyTel Internet Holdings,
15270 608 160 40 PaeTec.net -a division of Pae
6517 598 163 33 Yipes Communications, Inc.
852 582 1109 357 Telus Advanced Communications

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

ASN No of nets /20 equiv MaxAgg Description
702 468 1917 381 UUNET - Commercial IP service
3292 405 1653 366 TDC Tele Danmark
9116 349 184 28 Goldenlines main autonomous s
3301 319 1457 294 TeliaNet Sweden
3320 316 6035 262 Deutsche Telekom AG
8452 283 188 7 TEDATA
8866 282 78 26 Bulgarian Telecommunication C
6746 276 129 253 Dynamic Network Technologies,
8551 276 266 40 Bezeq International
8708 274 421 244 Romania Data Systems S.A.
680 268 2045 254 DFN-IP service G-WiN
3215 266 2535 92 France Telecom Transpac
8220 253 446 233 COLT Telecommunications
3352 231 1916 46 Ibernet, Internet Access Netw
3269 227 2965 69 TELECOM ITALIA
3300 214 220 102 AUCS Communications Services
9121 211 1444 26 TTnet Autonomous System
9155 198 43 11 QualityNet AS number
1257 195 1195 178 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 1160 2409 218 UniNet S.A. de C.V.
11830 539 299 9 Instituto Costarricense de El
16814 427 27 10 NSS, S.A.
7303 403 195 60 Telecom Argentina Stet-France
14522 381 33 8 SatNet S.A.
11172 379 115 62 Servicios Alestra S.A de C.V
6471 363 85 38 ENTEL CHILE S.A.
22047 322 254 13 VTR PUNTO NET S.A.
10481 301 120 10 Prima S.A.
10620 285 78 20 TVCABLE BOGOTA
14117 285 19 15 Telefonica del Sur S.A.
6147 258 214 21 Telefonica Del Peru
7738 237 602 25 Telecomunicacoes da Bahia S.A
11556 236 128 4 Cable-Wireless Panama
23216 221 17 47 RAMtelecom Telecomunicaciones
6503 218 187 86 AVANTEL, S.A.
20299 208 34 30 NEWCOM AMERICAS
28573 208 313 32 NET Servicos de Comunicao S.A
19169 190 12 20 Telconet
21826 186 33 47 INTERCABLE

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

ASN No of nets /20 equiv MaxAgg Description
24863 367 60 51 LINKdotNET AS number
3741 281 869 226 The Internet Solution
20858 200 34 3 EgyNet
6713 145 135 11 Itissalat Al-MAGHRIB
2018 144 300 116 Tertiary Education Network
5536 124 8 10 Internet Egypt Network
33783 124 8 15 EEPAD TISP TELECOM & INTERNET
33776 100 6 3 Starcomms Nigeria Limited
24835 88 48 6 RAYA Telecom - Egypt
15475 82 84 4 Nile Online
2905 77 174 73 The Internetworking Company o
23889 74 24 15 MAURITIUS TELECOM
20484 66 5 6 Yalla Online Autonomous Syste
15706 58 12 4 Sudatel Internet Exchange Aut
29571 57 13 7 Ci Telecom Autonomous system
33774 50 37 28 AS Number for Telecom Algeria
5713 46 422 36 Telkom SA Ltd
16637 42 21 28 Johnnic e-Ventures
8524 32 2 10 AUCEGYPT Autonomous System
12455 32 6 3 Jambonet Autonomous system

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

ASN No of nets Net Savings Description
4755 1485 1416 Videsh Sanchar Nigam Ltd. Aut
11492 1179 1143 Cable One
18566 1033 1024 Covad Communications
4323 1380 1017 Time Warner Telecom
9498 1056 991 BHARTI BT INTERNET LTD.
6478 1124 946 AT&T Worldnet Services
8151 1160 942 UniNet S.A. de C.V.
9829 849 840 BSNL National Internet Backbo
17488 908 832 Hathway IP Over Cable Interne
4134 1106 802 CHINANET-BACKBONE
22773 823 769 Cox Communications, Inc.
9583 1093 670 Sify Limited
5668 658 641 CenturyTel Internet Holdings,
19262 815 627 Verizon Global Networks
15270 608 568 PaeTec.net -a division of Pae
7545 683 567 TPG Internet Pty Ltd
6517 598 565 Yipes Communications, Inc.
18101 607 552 Reliance Infocom Ltd Internet
11830 539 530 Instituto Costarricense de El
19916 569 522 OLM LLC

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

Bad AS Designation Network Transit AS Description
65068 PRIVATE 79.171.184.0/21 43895 *
64779 PRIVATE 124.161.4.0/23 38356 BeiJing Sincerity-ti

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

Network Origin AS Description
31.31.31.0/24 9730 The Best ISP to go Multimedia
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
172.14.254.0/24 20312 CNTI-REACCIUN "Centro Naciona
172.15.254.0/24 20312 CNTI-REACCIUN "Centro Naciona
172.33.1.0/24 7018 AT&T WorldNet Services
173.173.173.0/24 9730 The Best ISP to go Multimedia
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 /10:16 /11:40 /12:134
/13:270 /14:485 /15:956 /16:9747 /17:4198 /18:6797
/19:14805 /20:16858 /21:16161 /22:20006 /23:20999 /24:125469
/25:785 /26:877 /27:564 /28:103 /29:5 /30:0
/31:0 /32:8

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

ASN No of nets Total ann. Description
11492 1168 1179 Cable One
6478 1123 1124 AT&T Worldnet Services
18566 1015 1033 Covad Communications
2386 974 1282 AT&T Data Communications Serv
9583 938 1093 Sify Limited
7011 877 992 Citizens Utilities
4755 852 1485 Videsh Sanchar Nigam Ltd. Aut
7018 821 1498 AT&T WorldNet Services
23577 791 800 Korea Telecom (ATM-MPLS)
6197 770 1027 BellSouth Network Solutions,
9498 738 1056 BHARTI BT INTERNET LTD.
17488 723 908 Hathway IP Over Cable Interne
4766 607 818 Korea Telecom (KIX)
4323 585 1380 Time Warner Telecom
15270 571 608 PaeTec.net -a division of Pae
19916 564 569 OLM LLC
6517 554 598 Yipes Communications, Inc.
5668 518 658 CenturyTel Internet Holdings,
4668 509 519 LG-EDS Systems Inc.
18101 503 607 Reliance Infocom Ltd Internet

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

4:9 8:89 12:1872 13:1 15:20 16:3
17:6 18:13 20:35 24:1007 25:1 31:1
32:62 33:3 38:363 40:64 41:414 44:2
47:8 52:3 55:3 56:3 57:21 58:477
59:414 60:383 61:997 62:990 63:1987 64:3298
65:2360 66:3593 67:929 68:642 69:2035 70:467
71:106 72:1435 73:7 74:744 75:263 76:150
77:478 78:359 79:40 80:889 81:812 82:565
83:353 84:618 85:882 86:362 87:609 88:280
89:1043 90:39 91:792 92:13 96:1 97:6
98:16 114:1 115:1 116:455 117:230 118:47
121:357 122:654 123:223 124:727 125:982 128:309
129:195 130:137 131:374 132:60 133:9 134:193
135:33 136:195 137:82 138:149 139:74 140:512
141:146 142:373 143:259 144:323 145:51 146:329
147:125 148:481 149:185 150:170 151:137 152:95
153:122 154:11 155:269 156:199 157:225 158:160
159:197 160:184 161:97 162:189 163:185 164:558
165:415 166:289 167:310 168:537 169:126 170:419
171:29 172:5 173:1 189:118 190:1266 192:5730
193:4045 194:3221 195:2315 196:938 198:3809 199:3236
200:5236 201:1275 202:7472 203:7800 204:3986 205:2011
206:2406 207:2773 208:2998 209:3541 210:2513 211:1110
212:1274 213:1589 214:407 215:45 216:4081 217:1207
218:331 219:404 220:1005 221:408 222:282

End of report

cscora at apnic

Dec 7, 2007, 10:03 AM

Post #34 of 149 (8298 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 Dec, 2007

Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/

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

BGP routing table entries examined: 239737
Prefixes after maximum aggregation: 123346
Deaggregation factor: 1.94
Unique aggregates announced to Internet: 117087
Total ASes present in the Internet Routing Table: 26839
Prefixes per ASN: 8.93
Origin-only ASes present in the Internet Routing Table: 23354
Origin ASes announcing only one prefix: 11384
Transit ASes present in the Internet Routing Table: 3485
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: 24
Max AS path prepend of ASN (13227) 16
Prefixes from unregistered ASNs in the Routing Table: 2
Unregistered ASNs in the Routing Table: 6
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: 14
Number of addresses announced to Internet: 1794930272
Equivalent to 106 /8s, 252 /16s and 118 /24s
Percentage of available address space announced: 48.4
Percentage of allocated address space announced: 61.9
Percentage of available address space allocated: 78.2
Total number of prefixes smaller than registry allocations: 112253

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

Prefixes being announced by APNIC Region ASes: 55725
Total APNIC prefixes after maximum aggregation: 21333
APNIC Deaggregation factor: 2.61
Prefixes being announced from the APNIC address blocks: 52608
Unique aggregates announced from the APNIC address blocks: 23404
APNIC Region origin ASes present in the Internet Routing Table: 3091
APNIC Prefixes per ASN: 17.02
APNIC Region origin ASes announcing only one prefix: 815
APNIC Region transit ASes present in the Internet Routing Table: 475
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 322888864
Equivalent to 19 /8s, 62 /16s and 228 /24s
Percentage of available APNIC address space announced: 73.8

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, 114/7, 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: 112183
Total ARIN prefixes after maximum aggregation: 63984
ARIN Deaggregation factor: 1.75
Prefixes being announced from the ARIN address blocks: 82732
Unique aggregates announced from the ARIN address blocks: 32990
ARIN Region origin ASes present in the Internet Routing Table: 11979
ARIN Prefixes per ASN: 6.91
ARIN Region origin ASes announcing only one prefix: 4605
ARIN Region transit ASes present in the Internet Routing Table: 1130
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 354750848
Equivalent to 21 /8s, 37 /16s and 17 /24s
Percentage of available ARIN address space announced: 78.3

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: 50536
Total RIPE prefixes after maximum aggregation: 32337
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 47362
Unique aggregates announced from the RIPE address blocks: 31266
RIPE Region origin ASes present in the Internet Routing Table: 10598
RIPE Prefixes per ASN: 4.47
RIPE Region origin ASes announcing only one prefix: 5612
RIPE Region transit ASes present in the Internet Routing Table: 1650
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 338279296
Equivalent to 20 /8s, 41 /16s and 187 /24s
Percentage of available RIPE address space announced: 77.6

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
40960-45055
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: 18011
Total LACNIC prefixes after maximum aggregation: 4588
LACNIC Deaggregation factor: 3.93
Prefixes being announced from the LACNIC address blocks: 15990
Unique aggregates announced from the LACNIC address blocks: 8885
LACNIC Region origin ASes present in the Internet Routing Table: 884
LACNIC Prefixes per ASN: 18.09
LACNIC Region origin ASes announcing only one prefix: 284
LACNIC Region transit ASes present in the Internet Routing Table: 156
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 47004416
Equivalent to 2 /8s, 205 /16s and 59 /24s
Percentage of available LACNIC address space announced: 46.7

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: 3271
Total AfriNIC prefixes after maximum aggregation: 1088
AfriNIC Deaggregation factor: 3.01
Prefixes being announced from the AfriNIC address blocks: 2426
Unique aggregates announced from the AfriNIC address blocks: 1446
AfriNIC Region origin ASes present in the Internet Routing Table: 213
AfriNIC Prefixes per ASN: 11.39
AfriNIC Region origin ASes announcing only one prefix: 68
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: 14
Number of AfriNIC addresses announced to Internet: 8193792
Equivalent to 0 /8s, 125 /16s and 7 /24s
Percentage of available AfriNIC address space announced: 24.4

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 1490 383 71 Videsh Sanchar Nigam Ltd. Aut
9583 1093 81 431 Sify Limited
9498 1059 549 63 BHARTI BT INTERNET LTD.
4134 1041 11569 305 CHINANET-BACKBONE
17488 917 59 80 Hathway IP Over Cable Interne
4766 818 5474 330 Korea Telecom (KIX)
23577 797 34 680 Korea Telecom (ATM-MPLS)
7545 667 146 113 TPG Internet Pty Ltd
18101 610 120 57 Reliance Infocom Ltd Internet
9829 584 448 10 BSNL National Internet Backbo
1221 546 1952 422 Telstra Pty Ltd
4668 519 68 10 LG-EDS Systems Inc.
4808 519 796 120 CNCGROUP IP network: China169
4812 515 865 81 China Telecom (Shanghai)
17676 504 10919 64 Softbank BB Corp.
4802 468 126 149 Wantree Development
9443 440 121 70 Primus Telecommunications
17974 407 145 17 PT TELEKOMUNIKASI INDONESIA
7474 384 202 270 SingTel Optus Pty Ltd
4837 362 5072 176 chinanet IDC center beijing n

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

ASN No of nets /20 equiv MaxAgg Description
7018 1494 6121 1005 AT&T WorldNet Services
4323 1385 1015 363 Time Warner Telecom
2386 1321 635 796 AT&T Data Communications Serv
11492 1172 124 41 Cable One
6478 1118 329 193 AT&T Worldnet Services
18566 1034 288 9 Covad Communications
6197 1031 721 510 BellSouth Network Solutions,
7011 992 295 578 Citizens Utilities
174 969 6857 820 Cogent Communications
701 897 6548 703 UUNET Technologies, Inc.
20115 847 774 457 Charter Communications
3356 841 10904 417 Level 3 Communications, LLC
22773 830 2138 58 Cox Communications, Inc.
19262 800 3046 188 Verizon Global Networks
1239 789 2672 550 Sprint
209 741 3786 582 Qwest
5668 664 177 20 CenturyTel Internet Holdings,
15270 608 160 41 PaeTec.net -a division of Pae
6517 600 163 33 Yipes Communications, Inc.
852 584 1110 357 Telus Advanced Communications

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

ASN No of nets /20 equiv MaxAgg Description
702 466 1917 379 UUNET - Commercial IP service
3292 408 1653 368 TDC Tele Danmark
9116 341 184 28 Goldenlines main autonomous s
3301 319 1457 294 TeliaNet Sweden
3320 316 6019 262 Deutsche Telekom AG
8866 282 78 26 Bulgarian Telecommunication C
8452 280 188 7 TEDATA
6746 277 130 254 Dynamic Network Technologies,
8551 277 266 40 Bezeq International
8708 273 421 245 Romania Data Systems S.A.
3215 270 2583 92 France Telecom Transpac
680 268 2045 254 DFN-IP service G-WiN
8220 247 439 230 COLT Telecommunications
3352 235 1948 40 Ibernet, Internet Access Netw
3269 229 3029 67 TELECOM ITALIA
3300 214 220 102 AUCS Communications Services
9121 212 1444 26 TTnet Autonomous System
9155 199 43 11 QualityNet AS number
1257 195 1195 178 SWIPnet Swedish IP Network
12479 195 578 6 Uni2 Autonomous System

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

ASN No of nets /20 equiv MaxAgg Description
8151 1158 2409 219 UniNet S.A. de C.V.
11830 539 299 9 Instituto Costarricense de El
16814 427 27 10 NSS, S.A.
7303 406 197 61 Telecom Argentina Stet-France
11172 379 115 62 Servicios Alestra S.A de C.V
14522 379 34 8 SatNet S.A.
6471 363 85 38 ENTEL CHILE S.A.
22047 322 254 13 VTR PUNTO NET S.A.
10481 301 120 10 Prima S.A.
10620 289 79 23 TVCABLE BOGOTA
14117 285 19 15 Telefonica del Sur S.A.
6147 256 214 21 Telefonica Del Peru
7738 238 602 25 Telecomunicacoes da Bahia S.A
11556 236 128 4 Cable-Wireless Panama
20299 223 33 29 NEWCOM AMERICAS
23216 222 17 47 RAMtelecom Telecomunicaciones
6503 220 187 86 AVANTEL, S.A.
28573 216 321 29 NET Servicos de Comunicao S.A
19169 190 12 20 Telconet
21826 186 33 47 INTERCABLE

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

ASN No of nets /20 equiv MaxAgg Description
24863 391 60 36 LINKdotNET AS number
3741 280 869 226 The Internet Solution
20858 200 34 3 EgyNet
6713 145 135 11 Itissalat Al-MAGHRIB
2018 144 300 116 Tertiary Education Network
5536 124 8 10 Internet Egypt Network
33783 124 8 15 EEPAD TISP TELECOM & INTERNET
33776 100 6 3 Starcomms Nigeria Limited
24835 88 48 6 RAYA Telecom - Egypt
15475 86 84 4 Nile Online
2905 77 174 73 The Internetworking Company o
23889 75 24 15 MAURITIUS TELECOM
20484 66 5 6 Yalla Online Autonomous Syste
15706 58 12 4 Sudatel Internet Exchange Aut
29571 57 13 7 Ci Telecom Autonomous system
33774 50 37 28 AS Number for Telecom Algeria
5713 47 423 37 Telkom SA Ltd
8524 32 2 10 AUCEGYPT Autonomous System
12455 32 6 3 Jambonet Autonomous system
21152 32 2 1 AS for the uplinks of Soficom

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

ASN No of nets Net Savings Description
4755 1490 1419 Videsh Sanchar Nigam Ltd. Aut
11492 1172 1131 Cable One
18566 1034 1025 Covad Communications
4323 1385 1022 Time Warner Telecom
9498 1059 996 BHARTI BT INTERNET LTD.
8151 1158 939 UniNet S.A. de C.V.
6478 1118 925 AT&T Worldnet Services
17488 917 837 Hathway IP Over Cable Interne
22773 830 772 Cox Communications, Inc.
4134 1041 736 CHINANET-BACKBONE
9583 1093 662 Sify Limited
5668 664 644 CenturyTel Internet Holdings,
19262 800 612 Verizon Global Networks
9829 584 574 BSNL National Internet Backbo
15270 608 567 PaeTec.net -a division of Pae
6517 600 567 Yipes Communications, Inc.
7545 667 554 TPG Internet Pty Ltd
18101 610 553 Reliance Infocom Ltd Internet
11830 539 530 Instituto Costarricense de El
2386 1321 525 AT&T Data Communications Serv

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

Bad AS Designation Network Transit AS Description
65068 PRIVATE 79.171.184.0/21 43895 *
64779 PRIVATE 124.161.4.0/23 38356 BeiJing Sincerity-ti

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

Network Origin AS Description
31.31.31.0/24 9730 The Best ISP to go Multimedia
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
172.14.254.0/24 20312 CNTI-REACCIUN "Centro Naciona
172.15.254.0/24 20312 CNTI-REACCIUN "Centro Naciona
172.33.1.0/24 7018 AT&T WorldNet Services
173.173.173.0/24 9730 The Best ISP to go Multimedia
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 /11:40 /12:135
/13:270 /14:485 /15:960 /16:9737 /17:4185 /18:6837
/19:14817 /20:16917 /21:15942 /22:20093 /23:21045 /24:125722
/25:821 /26:1035 /27:550 /28:91 /29:5 /30:0
/31:0 /32:8

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

ASN No of nets Total ann. Description
11492 1163 1172 Cable One
6478 1117 1118 AT&T Worldnet Services
18566 1016 1034 Covad Communications
2386 1012 1321 AT&T Data Communications Serv
9583 938 1093 Sify Limited
7011 877 992 Citizens Utilities
4755 855 1490 Videsh Sanchar Nigam Ltd. Aut
7018 824 1494 AT&T WorldNet Services
23577 788 797 Korea Telecom (ATM-MPLS)
6197 773 1031 BellSouth Network Solutions,
9498 746 1059 BHARTI BT INTERNET LTD.
17488 732 917 Hathway IP Over Cable Interne
4766 606 818 Korea Telecom (KIX)
4323 591 1385 Time Warner Telecom
15270 570 608 PaeTec.net -a division of Pae
19916 564 569 OLM LLC
6517 556 600 Yipes Communications, Inc.
5668 522 664 CenturyTel Internet Holdings,
4668 509 519 LG-EDS Systems Inc.
18101 504 610 Reliance Infocom Ltd Internet

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

4:9 8:91 12:1908 13:2 15:20 16:3
17:6 18:13 20:35 24:1011 25:1 31:1
32:61 33:3 38:364 40:64 41:403 44:2
47:8 52:3 55:3 56:3 57:21 58:487
59:413 60:389 61:995 62:1003 63:1976 64:3287
65:2360 66:3597 67:950 68:646 69:2056 70:465
71:106 72:1458 73:7 74:754 75:263 76:158
77:488 78:376 79:43 80:894 81:814 82:550
83:361 84:617 85:890 86:365 87:613 88:289
89:1057 90:39 91:811 92:13 96:1 97:7
98:18 114:1 115:1 116:447 117:221 118:50
121:351 122:652 123:228 124:748 125:1062 128:309
129:181 130:137 131:375 132:62 133:9 134:194
135:33 136:195 137:82 138:148 139:73 140:513
141:117 142:372 143:260 144:329 145:51 146:331
147:127 148:481 149:184 150:171 151:118 152:95
153:122 154:11 155:270 156:199 157:226 158:165
159:197 160:185 161:100 162:193 163:185 164:558
165:415 166:291 167:311 168:552 169:126 170:417
171:29 172:5 173:1 189:119 190:1285 192:5739
193:4052 194:3226 195:2327 196:931 198:3806 199:3231
200:5216 201:1279 202:7368 203:7819 204:3956 205:2018
206:2416 207:2764 208:3011 209:3558 210:2511 211:1106
212:1274 213:1601 214:415 215:47 216:4075 217:1214
218:331 219:403 220:1014 221:406 222:287

End of report

cscora at apnic

Dec 14, 2007, 10:02 AM

Post #35 of 149 (8292 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 Dec, 2007

Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/

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

BGP routing table entries examined: 240735
Prefixes after maximum aggregation: 123500
Deaggregation factor: 1.95
Unique aggregates announced to Internet: 117441
Total ASes present in the Internet Routing Table: 26879
Prefixes per ASN: 8.96
Origin-only ASes present in the Internet Routing Table: 23383
Origin ASes announcing only one prefix: 11388
Transit ASes present in the Internet Routing Table: 3496
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: 20
Max AS path prepend of ASN (35389) 17
Prefixes from unregistered ASNs in the Routing Table: 8
Unregistered ASNs in the Routing Table: 5
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: 14
Number of addresses announced to Internet: 1796808672
Equivalent to 107 /8s, 25 /16s and 31 /24s
Percentage of available address space announced: 48.5
Percentage of allocated address space announced: 62.0
Percentage of available address space allocated: 78.2
Total number of prefixes smaller than registry allocations: 112821

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

Prefixes being announced by APNIC Region ASes: 56050
Total APNIC prefixes after maximum aggregation: 21429
APNIC Deaggregation factor: 2.62
Prefixes being announced from the APNIC address blocks: 52923
Unique aggregates announced from the APNIC address blocks: 23480
APNIC Region origin ASes present in the Internet Routing Table: 3108
APNIC Prefixes per ASN: 17.03
APNIC Region origin ASes announcing only one prefix: 815
APNIC Region transit ASes present in the Internet Routing Table: 484
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 323392416
Equivalent to 19 /8s, 70 /16s and 147 /24s
Percentage of available APNIC address space announced: 74.0

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, 114/7, 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: 112613
Total ARIN prefixes after maximum aggregation: 63992
ARIN Deaggregation factor: 1.76
Prefixes being announced from the ARIN address blocks: 83054
Unique aggregates announced from the ARIN address blocks: 33134
ARIN Region origin ASes present in the Internet Routing Table: 11981
ARIN Prefixes per ASN: 6.93
ARIN Region origin ASes announcing only one prefix: 4602
ARIN Region transit ASes present in the Internet Routing Table: 1137
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 355260288
Equivalent to 21 /8s, 44 /16s and 215 /24s
Percentage of available ARIN address space announced: 78.4

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: 50670
Total RIPE prefixes after maximum aggregation: 32386
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 47531
Unique aggregates announced from the RIPE address blocks: 31359
RIPE Region origin ASes present in the Internet Routing Table: 10616
RIPE Prefixes per ASN: 4.48
RIPE Region origin ASes announcing only one prefix: 5617
RIPE Region transit ASes present in the Internet Routing Table: 1650
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 339078912
Equivalent to 20 /8s, 53 /16s and 239 /24s
Percentage of available RIPE address space announced: 77.7

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: 18092
Total LACNIC prefixes after maximum aggregation: 4588
LACNIC Deaggregation factor: 3.94
Prefixes being announced from the LACNIC address blocks: 16072
Unique aggregates announced from the LACNIC address blocks: 8927
LACNIC Region origin ASes present in the Internet Routing Table: 888
LACNIC Prefixes per ASN: 18.10
LACNIC Region origin ASes announcing only one prefix: 289
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: 47070208
Equivalent to 2 /8s, 206 /16s and 60 /24s
Percentage of available LACNIC address space announced: 46.8

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: 3293
Total AfriNIC prefixes after maximum aggregation: 1089
AfriNIC Deaggregation factor: 3.02
Prefixes being announced from the AfriNIC address blocks: 2465
Unique aggregates announced from the AfriNIC address blocks: 1451
AfriNIC Region origin ASes present in the Internet Routing Table: 211
AfriNIC Prefixes per ASN: 11.68
AfriNIC Region origin ASes announcing only one prefix: 65
AfriNIC Region transit ASes present in the Internet Routing Table: 38
Average AfriNIC Region AS path length visible: 3.6
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 8242944
Equivalent to 0 /8s, 125 /16s and 199 /24s
Percentage of available AfriNIC address space announced: 24.6

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
4755 1494 383 71 Videsh Sanchar Nigam Ltd. Aut
9583 1094 81 431 Sify Limited
9498 1056 549 63 BHARTI BT INTERNET LTD.
4134 977 11601 305 CHINANET-BACKBONE
17488 918 59 80 Hathway IP Over Cable Interne
4766 818 5475 330 Korea Telecom (KIX)
23577 802 34 685 Korea Telecom (ATM-MPLS)
7545 660 148 107 TPG Internet Pty Ltd
18101 610 120 57 Reliance Infocom Ltd Internet
9829 598 448 10 BSNL National Internet Backbo
1221 545 1952 421 Telstra Pty Ltd
4812 529 874 82 China Telecom (Shanghai)
4808 522 798 121 CNCGROUP IP network: China169
4668 519 68 10 LG-EDS Systems Inc.
17676 504 10919 64 Softbank BB Corp.
4802 470 128 149 Wantree Development
9443 439 121 69 Primus Telecommunications
17974 408 145 17 PT TELEKOMUNIKASI INDONESIA
7474 385 202 271 SingTel Optus Pty Ltd
4837 362 5072 176 chinanet IDC center beijing n

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

ASN No of nets /20 equiv MaxAgg Description
7018 1489 6106 1009 AT&T WorldNet Services
4323 1386 1015 366 Time Warner Telecom
2386 1316 635 795 AT&T Data Communications Serv
11492 1186 125 36 Cable One
6478 1084 328 178 AT&T Worldnet Services
18566 1034 288 9 Covad Communications
6197 1032 721 510 BellSouth Network Solutions,
7011 996 295 582 Citizens Utilities
174 971 6823 822 Cogent Communications
701 893 6546 699 UUNET Technologies, Inc.
19262 858 3102 173 Verizon Global Networks
20115 843 773 455 Charter Communications
3356 837 10904 414 Level 3 Communications, LLC
22773 831 2138 58 Cox Communications, Inc.
1239 790 2673 549 Sprint
209 742 3786 583 Qwest
5668 665 176 18 CenturyTel Internet Holdings,
6517 615 163 34 Yipes Communications, Inc.
15270 588 160 48 PaeTec.net -a division of Pae
852 585 1126 358 Telus Advanced Communications

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

ASN No of nets /20 equiv MaxAgg Description
702 466 1917 379 UUNET - Commercial IP service
3292 406 1653 366 TDC Tele Danmark
9116 335 184 28 Goldenlines main autonomous s
3301 322 1458 296 TeliaNet Sweden
3320 315 6019 261 Deutsche Telekom AG
8452 284 188 7 TEDATA
8866 280 78 24 Bulgarian Telecommunication C
8551 276 266 40 Bezeq International
6746 273 129 252 Dynamic Network Technologies,
8708 272 421 244 Romania Data Systems S.A.
3215 270 2583 92 France Telecom Transpac
680 268 2045 254 DFN-IP service G-WiN
9155 254 43 11 QualityNet AS number
8220 242 423 228 COLT Telecommunications
3352 238 1948 40 Ibernet, Internet Access Netw
3269 230 3037 68 TELECOM ITALIA
5462 229 666 27 Telewest Broadband
3300 214 220 102 AUCS Communications Services
9121 213 1444 26 TTnet Autonomous System
1257 195 1195 178 SWIPnet Swedish IP Network

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

ASN No of nets /20 equiv MaxAgg Description
8151 1157 2408 216 UniNet S.A. de C.V.
11830 539 299 9 Instituto Costarricense de El
16814 427 27 10 NSS, S.A.
7303 417 202 59 Telecom Argentina Stet-France
11172 379 115 62 Servicios Alestra S.A de C.V
14522 371 34 8 SatNet S.A.
6471 363 85 37 ENTEL CHILE S.A.
22047 322 254 13 VTR PUNTO NET S.A.
10481 301 120 10 Prima S.A.
10620 293 80 20 TVCABLE BOGOTA
14117 286 19 15 Telefonica del Sur S.A.
6147 256 214 21 Telefonica Del Peru
7738 237 602 25 Telecomunicacoes da Bahia S.A
11556 235 128 3 Cable-Wireless Panama
23216 223 17 47 RAMtelecom Telecomunicaciones
20299 221 33 29 NEWCOM AMERICAS
6503 220 187 86 AVANTEL, S.A.
28573 219 321 29 NET Servicos de Comunicao S.A
19169 190 12 20 Telconet
21826 187 33 48 INTERCABLE

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

ASN No of nets /20 equiv MaxAgg Description
24863 400 60 36 LINKdotNET AS number
3741 278 869 226 The Internet Solution
20858 201 34 3 EgyNet
6713 145 135 11 Itissalat Al-MAGHRIB
2018 143 268 115 Tertiary Education Network
5536 124 8 10 Internet Egypt Network
33783 124 8 15 EEPAD TISP TELECOM & INTERNET
33776 100 6 3 Starcomms Nigeria Limited
24835 88 48 6 RAYA Telecom - Egypt
15475 84 84 4 Nile Online
23889 79 24 16 MAURITIUS TELECOM
2905 77 174 73 The Internetworking Company o
29571 77 13 7 Ci Telecom Autonomous system
20484 65 5 6 Yalla Online Autonomous Syste
15706 57 12 4 Sudatel Internet Exchange Aut
33774 51 37 28 AS Number for Telecom Algeria
5713 49 455 39 Telkom SA Ltd
8524 32 2 10 AUCEGYPT Autonomous System
12455 32 6 3 Jambonet Autonomous system
21152 32 2 1 AS for the uplinks of Soficom

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

ASN No of nets Net Savings Description
11492 1186 1150 Cable One
18566 1034 1025 Covad Communications
4323 1386 1020 Time Warner Telecom
9498 1056 993 BHARTI BT INTERNET LTD.
8151 1157 941 UniNet S.A. de C.V.
6478 1084 906 AT&T Worldnet Services
17488 918 838 Hathway IP Over Cable Interne
22773 831 773 Cox Communications, Inc.
19262 858 685 Verizon Global Networks
4134 977 672 CHINANET-BACKBONE
9583 1094 663 Sify Limited
5668 665 647 CenturyTel Internet Holdings,
9829 598 588 BSNL National Internet Backbo
6517 615 581 Yipes Communications, Inc.
7545 660 553 TPG Internet Pty Ltd
18101 610 553 Reliance Infocom Ltd Internet
15270 588 540 PaeTec.net -a division of Pae
11830 539 530 Instituto Costarricense de El
6197 1032 522 BellSouth Network Solutions,
19916 569 522 OLM LLC

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

Bad AS Designation Network Transit AS Description
65000 PRIVATE 78.108.160.0/24 39010 TerraNet sal
65068 PRIVATE 79.171.184.0/21 43895 *
65201 PRIVATE 202.112.45.0/24 4538 China Education and
65201 PRIVATE 202.112.49.0/24 4538 China Education and
65201 PRIVATE 202.112.50.0/24 4538 China Education and
65201 PRIVATE 202.112.54.0/24 4538 China Education and
65201 PRIVATE 202.112.57.0/24 4538 China Education and
65201 PRIVATE 202.112.58.0/24 4538 China Education and

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

Network Origin AS Description
31.31.31.0/24 9730 The Best ISP to go Multimedia
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
172.14.254.0/24 20312 CNTI-REACCIUN "Centro Naciona
172.15.254.0/24 20312 CNTI-REACCIUN "Centro Naciona
172.33.1.0/24 7018 AT&T WorldNet Services
173.173.173.0/24 9730 The Best ISP to go Multimedia
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 /11:40 /12:135
/13:271 /14:487 /15:962 /16:9745 /17:4184 /18:6860
/19:14868 /20:16967 /21:16053 /22:20148 /23:21122 /24:126325
/25:832 /26:1033 /27:551 /28:96 /29:5 /30:0
/31:0 /32:9

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

ASN No of nets Total ann. Description
11492 1177 1186 Cable One
6478 1083 1084 AT&T Worldnet Services
18566 1016 1034 Covad Communications
2386 1007 1316 AT&T Data Communications Serv
9583 939 1094 Sify Limited
7011 881 996 Citizens Utilities
4755 860 1494 Videsh Sanchar Nigam Ltd. Aut
7018 818 1489 AT&T WorldNet Services
23577 793 802 Korea Telecom (ATM-MPLS)
6197 774 1032 BellSouth Network Solutions,
9498 742 1056 BHARTI BT INTERNET LTD.
17488 733 918 Hathway IP Over Cable Interne
4766 605 818 Korea Telecom (KIX)
4323 591 1386 Time Warner Telecom
6517 570 615 Yipes Communications, Inc.
19916 564 569 OLM LLC
15270 551 588 PaeTec.net -a division of Pae
5668 524 665 CenturyTel Internet Holdings,
4668 509 519 LG-EDS Systems Inc.
18101 504 610 Reliance Infocom Ltd Internet

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

4:9 8:92 12:1897 13:2 15:21 16:3
17:6 18:14 20:35 24:1016 25:1 31:1
32:61 33:4 38:368 40:69 41:422 44:2
47:8 52:3 55:3 56:3 57:21 58:498
59:412 60:389 61:984 62:1062 63:1980 64:3305
65:2364 66:3611 67:997 68:645 69:2105 70:466
71:106 72:1454 73:7 74:795 75:263 76:163
77:495 78:384 79:46 80:903 81:787 82:565
83:368 84:609 85:827 86:366 87:611 88:290
89:1058 90:39 91:867 92:45 96:2 97:7
98:21 114:1 115:1 116:475 117:222 118:54
119:4 121:365 122:656 123:229 124:755 125:1059
128:309 129:181 130:136 131:375 132:68 133:9
134:194 135:33 136:195 137:82 138:148 139:72
140:513 141:127 142:374 143:263 144:332 145:51
146:330 147:128 148:483 149:185 150:171 151:124
152:101 153:122 154:11 155:277 156:199 157:226
158:165 159:206 160:189 161:100 162:197 163:186
164:560 165:410 166:288 167:311 168:550 169:128
170:421 171:29 172:5 173:1 189:122 190:1298
192:5729 193:4052 194:3221 195:2328 196:938 198:3812
199:3227 200:5214 201:1287 202:7481 203:7852 204:3964
205:2024 206:2420 207:2759 208:3027 209:3544 210:2516
211:1112 212:1251 213:1597 214:433 215:42 216:4082
217:1210 218:331 219:403 220:1009 221:406 222:291

End of report

cscora at apnic

Dec 21, 2007, 10:02 AM

Post #36 of 149 (8236 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 Dec, 2007

Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/

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

BGP routing table entries examined: 241244
Prefixes after maximum aggregation: 123670
Deaggregation factor: 1.95
Unique aggregates announced to Internet: 117636
Total ASes present in the Internet Routing Table: 26947
Prefixes per ASN: 8.95
Origin-only ASes present in the Internet Routing Table: 23457
Origin ASes announcing only one prefix: 11408
Transit ASes present in the Internet Routing Table: 3490
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: 26
Max AS path prepend of ASN (29642) 15
Prefixes from unregistered ASNs in the Routing Table: 7
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: 14
Number of addresses announced to Internet: 1798304160
Equivalent to 107 /8s, 47 /16s and 241 /24s
Percentage of available address space announced: 48.5
Percentage of allocated address space announced: 62.1
Percentage of available address space allocated: 78.2
Total number of prefixes smaller than registry allocations: 113220

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

Prefixes being announced by APNIC Region ASes: 56104
Total APNIC prefixes after maximum aggregation: 21439
APNIC Deaggregation factor: 2.62
Prefixes being announced from the APNIC address blocks: 52967
Unique aggregates announced from the APNIC address blocks: 23481
APNIC Region origin ASes present in the Internet Routing Table: 3109
APNIC Prefixes per ASN: 17.04
APNIC Region origin ASes announcing only one prefix: 816
APNIC Region transit ASes present in the Internet Routing Table: 480
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 324193696
Equivalent to 19 /8s, 82 /16s and 205 /24s
Percentage of available APNIC address space announced: 74.1

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, 114/7, 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: 112707
Total ARIN prefixes after maximum aggregation: 64022
ARIN Deaggregation factor: 1.76
Prefixes being announced from the ARIN address blocks: 83122
Unique aggregates announced from the ARIN address blocks: 33082
ARIN Region origin ASes present in the Internet Routing Table: 11998
ARIN Prefixes per ASN: 6.93
ARIN Region origin ASes announcing only one prefix: 4613
ARIN Region transit ASes present in the Internet Routing Table: 1135
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 356010176
Equivalent to 21 /8s, 56 /16s and 72 /24s
Percentage of available ARIN address space announced: 78.6

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: 50915
Total RIPE prefixes after maximum aggregation: 32509
RIPE Deaggregation factor: 1.57
Prefixes being announced from the RIPE address blocks: 47745
Unique aggregates announced from the RIPE address blocks: 31555
RIPE Region origin ASes present in the Internet Routing Table: 10663
RIPE Prefixes per ASN: 4.48
RIPE Region origin ASes announcing only one prefix: 5629
RIPE Region transit ASes present in the Internet Routing Table: 1651
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 339459200
Equivalent to 20 /8s, 59 /16s and 188 /24s
Percentage of available RIPE address space announced: 77.8

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
40960-45055
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: 18184
Total LACNIC prefixes after maximum aggregation: 4587
LACNIC Deaggregation factor: 3.96
Prefixes being announced from the LACNIC address blocks: 16169
Unique aggregates announced from the LACNIC address blocks: 8974
LACNIC Region origin ASes present in the Internet Routing Table: 888
LACNIC Prefixes per ASN: 18.21
LACNIC Region origin ASes announcing only one prefix: 285
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: 47093248
Equivalent to 2 /8s, 206 /16s and 150 /24s
Percentage of available LACNIC address space announced: 46.8

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: 3318
Total AfriNIC prefixes after maximum aggregation: 1097
AfriNIC Deaggregation factor: 3.02
Prefixes being announced from the AfriNIC address blocks: 2482
Unique aggregates announced from the AfriNIC address blocks: 1451
AfriNIC Region origin ASes present in the Internet Routing Table: 212
AfriNIC Prefixes per ASN: 11.71
AfriNIC Region origin ASes announcing only one prefix: 65
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: 8212736
Equivalent to 0 /8s, 125 /16s and 81 /24s
Percentage of available AfriNIC address space announced: 24.5

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
4755 1500 383 71 Videsh Sanchar Nigam Ltd. Aut
9583 1097 81 432 Sify Limited
9498 1066 549 62 BHARTI BT INTERNET LTD.
4134 978 11601 305 CHINANET-BACKBONE
17488 921 60 81 Hathway IP Over Cable Interne
4766 818 5476 331 Korea Telecom (KIX)
23577 808 34 689 Korea Telecom (ATM-MPLS)
18101 610 120 58 Reliance Infocom Ltd Internet
9829 589 448 10 BSNL National Internet Backbo
7545 585 147 100 TPG Internet Pty Ltd
1221 541 1952 417 Telstra Pty Ltd
4812 529 874 82 China Telecom (Shanghai)
4808 523 799 121 CNCGROUP IP network: China169
4668 519 68 10 LG-EDS Systems Inc.
17676 504 10919 64 Softbank BB Corp.
4802 470 128 151 Wantree Development
9443 438 121 69 Primus Telecommunications
17974 397 145 17 PT TELEKOMUNIKASI INDONESIA
7474 387 202 273 SingTel Optus Pty Ltd
4837 368 5068 177 chinanet IDC center beijing n

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

ASN No of nets /20 equiv MaxAgg Description
7018 1483 6106 1007 AT&T WorldNet Services
4323 1392 1015 365 Time Warner Telecom
2386 1329 636 807 AT&T Data Communications Serv
11492 1194 133 16 Cable One
6478 1090 330 161 AT&T Worldnet Services
18566 1035 288 9 Covad Communications
6197 1032 721 510 BellSouth Network Solutions,
7011 1007 297 587 Citizens Utilities
174 974 6831 824 Cogent Communications
701 900 6542 706 UUNET Technologies, Inc.
19262 864 3119 176 Verizon Global Networks
20115 857 792 465 Charter Communications
3356 837 10906 415 Level 3 Communications, LLC
22773 835 2140 59 Cox Communications, Inc.
1239 790 2673 550 Sprint
209 741 3784 586 Qwest
5668 664 176 18 CenturyTel Internet Holdings,
6517 619 164 36 Yipes Communications, Inc.
15270 592 160 49 PaeTec.net -a division of Pae
852 585 1134 359 Telus Advanced Communications

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

ASN No of nets /20 equiv MaxAgg Description
702 462 1900 377 UUNET - Commercial IP service
3292 407 1654 367 TDC Tele Danmark
3301 323 1458 297 TeliaNet Sweden
3320 316 6019 262 Deutsche Telekom AG
8452 283 188 7 TEDATA
9116 282 184 28 Goldenlines main autonomous s
8866 279 78 24 Bulgarian Telecommunication C
8551 276 266 40 Bezeq International
6746 272 129 251 Dynamic Network Technologies,
8708 271 420 243 Romania Data Systems S.A.
3215 270 2583 92 France Telecom Transpac
680 268 2045 254 DFN-IP service G-WiN
9155 256 43 11 QualityNet AS number
8220 242 423 228 COLT Telecommunications
3352 238 1948 40 Ibernet, Internet Access Netw
3269 231 3037 68 TELECOM ITALIA
5462 229 666 27 Telewest Broadband
3300 211 172 100 AUCS Communications Services
9121 211 1444 26 TTnet Autonomous System
1257 195 1195 178 SWIPnet Swedish IP Network

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

ASN No of nets /20 equiv MaxAgg Description
8151 1147 2391 217 UniNet S.A. de C.V.
11830 545 299 9 Instituto Costarricense de El
16814 427 27 10 NSS, S.A.
7303 419 204 56 Telecom Argentina Stet-France
11172 379 115 62 Servicios Alestra S.A de C.V
6471 372 85 37 ENTEL CHILE S.A.
14522 371 34 8 SatNet S.A.
22047 322 254 13 VTR PUNTO NET S.A.
10481 301 120 10 Prima S.A.
10620 297 81 22 TVCABLE BOGOTA
14117 286 19 15 Telefonica del Sur S.A.
6147 254 214 21 Telefonica Del Peru
7738 238 602 25 Telecomunicacoes da Bahia S.A
11556 235 128 3 Cable-Wireless Panama
28573 228 321 29 NET Servicos de Comunicao S.A
23216 225 17 47 RAMtelecom Telecomunicaciones
20299 221 33 29 NEWCOM AMERICAS
6503 216 180 85 AVANTEL, S.A.
19169 190 12 20 Telconet
21826 187 33 48 INTERCABLE

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

ASN No of nets /20 equiv MaxAgg Description
24863 400 60 36 LINKdotNET AS number
3741 278 869 226 The Internet Solution
20858 201 34 3 EgyNet
6713 145 135 11 Itissalat Al-MAGHRIB
2018 142 268 114 Tertiary Education Network
33783 126 9 14 EEPAD TISP TELECOM & INTERNET
5536 124 8 10 Internet Egypt Network
33776 99 6 7 Starcomms Nigeria Limited
24835 88 48 6 RAYA Telecom - Egypt
15475 84 84 4 Nile Online
23889 79 24 16 MAURITIUS TELECOM
2905 77 174 73 The Internetworking Company o
29571 77 13 7 Ci Telecom Autonomous system
20484 65 5 6 Yalla Online Autonomous Syste
15706 57 12 4 Sudatel Internet Exchange Aut
33774 51 37 28 AS Number for Telecom Algeria
5713 50 455 40 Telkom SA Ltd
16637 43 21 28 Johnnic e-Ventures
8524 32 2 10 AUCEGYPT Autonomous System
12455 32 6 3 Jambonet Autonomous system

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

ASN No of nets Net Savings Description
11492 1194 1178 Cable One
4323 1392 1027 Time Warner Telecom
18566 1035 1026 Covad Communications
9498 1066 1004 BHARTI BT INTERNET LTD.
8151 1147 930 UniNet S.A. de C.V.
6478 1090 929 AT&T Worldnet Services
17488 921 840 Hathway IP Over Cable Interne
22773 835 776 Cox Communications, Inc.
19262 864 688 Verizon Global Networks
4134 978 673 CHINANET-BACKBONE
9583 1097 665 Sify Limited
5668 664 646 CenturyTel Internet Holdings,
6517 619 583 Yipes Communications, Inc.
9829 589 579 BSNL National Internet Backbo
18101 610 552 Reliance Infocom Ltd Internet
15270 592 543 PaeTec.net -a division of Pae
11830 545 536 Instituto Costarricense de El
2386 1329 522 AT&T Data Communications Serv
6197 1032 522 BellSouth Network Solutions,
19916 563 521 OLM LLC

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

Bad AS Designation Network Transit AS Description
65068 PRIVATE 79.171.184.0/21 43895 *
65500 PRIVATE 83.142.233.0/24 20516 LuckyNet Israel
65121 PRIVATE 89.25.36.0/24 44243 *
64779 PRIVATE 124.161.4.0/23 38356 BeiJing Sincerity-ti
65201 PRIVATE 202.112.49.0/24 4538 China Education and
65201 PRIVATE 202.112.50.0/24 4538 China Education and
65201 PRIVATE 202.112.57.0/24 4538 China Education and

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

Network Origin AS Description
31.31.31.0/24 9730 The Best ISP to go Multimedia
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
172.14.254.0/24 20312 CNTI-REACCIUN "Centro Naciona
172.15.254.0/24 20312 CNTI-REACCIUN "Centro Naciona
172.33.1.0/24 7018 AT&T WorldNet Services
173.173.173.0/24 9730 The Best ISP to go Multimedia
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 /11:40 /12:135
/13:271 /14:487 /15:970 /16:9743 /17:4193 /18:6891
/19:14887 /20:17046 /21:16106 /22:20178 /23:21229 /24:126450
/25:857 /26:1052 /27:545 /28:104 /29:8 /30:1
/31:0 /32:9

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

ASN No of nets Total ann. Description
11492 1184 1194 Cable One
6478 1089 1090 AT&T Worldnet Services
2386 1020 1329 AT&T Data Communications Serv
18566 1017 1035 Covad Communications
9583 942 1097 Sify Limited
7011 892 1007 Citizens Utilities
4755 865 1500 Videsh Sanchar Nigam Ltd. Aut
7018 816 1483 AT&T WorldNet Services
23577 799 808 Korea Telecom (ATM-MPLS)
6197 774 1032 BellSouth Network Solutions,
9498 752 1066 BHARTI BT INTERNET LTD.
17488 736 921 Hathway IP Over Cable Interne
4766 605 818 Korea Telecom (KIX)
4323 597 1392 Time Warner Telecom
6517 572 619 Yipes Communications, Inc.
19916 558 563 OLM LLC
15270 555 592 PaeTec.net -a division of Pae
5668 522 664 CenturyTel Internet Holdings,
4668 509 519 LG-EDS Systems Inc.
18101 504 610 Reliance Infocom Ltd Internet

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

4:9 8:94 12:1911 13:2 15:21 16:3
17:6 18:14 20:35 24:1019 25:1 31:1
32:61 33:4 38:370 40:69 41:435 44:2
47:8 52:3 55:3 56:3 57:21 58:498
59:411 60:389 61:987 62:1081 63:1979 64:3301
65:2348 66:3572 67:1012 68:643 69:2071 70:465
71:106 72:1463 73:7 74:803 75:270 76:172
77:490 78:392 79:62 80:898 81:789 82:572
83:374 84:565 85:829 86:367 87:600 88:291
89:1066 90:39 91:891 92:49 96:2 97:7
98:25 114:1 115:1 116:445 117:236 118:70
119:5 121:368 122:669 123:227 124:756 125:1060
128:310 129:182 130:136 131:391 132:68 133:9
134:194 135:33 136:188 137:83 138:146 139:71
140:514 141:126 142:375 143:260 144:321 145:51
146:330 147:128 148:482 149:186 150:167 151:129
152:95 153:127 154:11 155:277 156:202 157:244
158:165 159:207 160:190 161:99 162:198 163:186
164:562 165:409 166:291 167:310 168:545 169:129
170:420 171:29 172:5 173:1 189:136 190:1315
192:5732 193:4053 194:3246 195:2330 196:942 198:3804
199:3193 200:5240 201:1310 202:7466 203:7817 204:3972
205:2030 206:2404 207:2721 208:3040 209:3559 210:2534
211:1110 212:1264 213:1592 214:435 215:45 216:4092
217:1223 218:335 219:402 220:1011 221:404 222:292

End of report

cscora at apnic

Dec 28, 2007, 10:02 AM

Post #37 of 149 (8242 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 Dec, 2007

Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/

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

BGP routing table entries examined: 241684
Prefixes after maximum aggregation: 123919
Deaggregation factor: 1.95
Unique aggregates announced to Internet: 117876
Total ASes present in the Internet Routing Table: 26983
Prefixes per ASN: 8.96
Origin-only ASes present in the Internet Routing Table: 23493
Origin ASes announcing only one prefix: 11440
Transit ASes present in the Internet Routing Table: 3490
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: 19
Max AS path prepend of ASN (29642) 15
Prefixes from unregistered ASNs in the Routing Table: 11
Unregistered ASNs in the Routing Table: 11
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: 1798626608
Equivalent to 107 /8s, 52 /16s and 221 /24s
Percentage of available address space announced: 48.5
Percentage of allocated address space announced: 62.1
Percentage of available address space allocated: 78.2
Total number of prefixes smaller than registry allocations: 113437

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

Prefixes being announced by APNIC Region ASes: 50697
Total APNIC prefixes after maximum aggregation: 18877
APNIC Deaggregation factor: 2.69
Prefixes being announced from the APNIC address blocks: 53003
Unique aggregates announced from the APNIC address blocks: 23616
APNIC Region origin ASes present in the Internet Routing Table: 3034
APNIC Prefixes per ASN: 17.47
APNIC Region origin ASes announcing only one prefix: 805
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: 17
Number of APNIC addresses announced to Internet: 324335920
Equivalent to 19 /8s, 84 /16s and 249 /24s
Percentage of available APNIC address space announced: 74.2

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, 114/7, 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: 138194
Total ARIN prefixes after maximum aggregation: 73687
ARIN Deaggregation factor: 1.88
Prefixes being announced from the ARIN address blocks: 83362
Unique aggregates announced from the ARIN address blocks: 33097
ARIN Region origin ASes present in the Internet Routing Table: 12769
ARIN Prefixes per ASN: 6.53
ARIN Region origin ASes announcing only one prefix: 4789
ARIN Region transit ASes present in the Internet Routing Table: 1353
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 356090560
Equivalent to 21 /8s, 57 /16s and 130 /24s
Percentage of available ARIN address space announced: 78.6

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: 49259
Total RIPE prefixes after maximum aggregation: 30053
RIPE Deaggregation factor: 1.64
Prefixes being announced from the RIPE address blocks: 47770
Unique aggregates announced from the RIPE address blocks: 31638
RIPE Region origin ASes present in the Internet Routing Table: 10612
RIPE Prefixes per ASN: 4.50
RIPE Region origin ASes announcing only one prefix: 5624
RIPE Region transit ASes present in the Internet Routing Table: 1627
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 339676032
Equivalent to 20 /8s, 63 /16s and 11 /24s
Percentage of available RIPE address space announced: 77.9

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
40960-45055
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: 3272
Total LACNIC prefixes after maximum aggregation: 1155
LACNIC Deaggregation factor: 2.83
Prefixes being announced from the LACNIC address blocks: 16321
Unique aggregates announced from the LACNIC address blocks: 8984
LACNIC Region origin ASes present in the Internet Routing Table: 425
LACNIC Prefixes per ASN: 38.40
LACNIC Region origin ASes announcing only one prefix: 188
LACNIC Region transit ASes present in the Internet Routing Table: 34
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 47126272
Equivalent to 2 /8s, 207 /16s and 23 /24s
Percentage of available LACNIC address space announced: 46.8

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: 243
Total AfriNIC prefixes after maximum aggregation: 131
AfriNIC Deaggregation factor: 1.85
Prefixes being announced from the AfriNIC address blocks: 2495
Unique aggregates announced from the AfriNIC address blocks: 1452
AfriNIC Region origin ASes present in the Internet Routing Table: 71
AfriNIC Prefixes per ASN: 35.14
AfriNIC Region origin ASes announcing only one prefix: 34
AfriNIC Region transit ASes present in the Internet Routing Table: 3
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 8213248
Equivalent to 0 /8s, 125 /16s and 83 /24s
Percentage of available AfriNIC address space announced: 24.5

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
4755 1507 383 71 Videsh Sanchar Nigam Ltd. Aut
9583 1101 82 433 Sify Limited
9498 1064 549 61 BHARTI BT INTERNET LTD.
17488 936 60 84 Hathway IP Over Cable Interne
4766 829 5495 340 Korea Telecom (KIX)
23577 810 34 690 Korea Telecom (ATM-MPLS)
18101 611 120 59 Reliance Infocom Ltd Internet
9829 589 449 11 BSNL National Internet Backbo
7545 582 147 98 TPG Internet Pty Ltd
4812 529 874 82 China Telecom (Shanghai)
4808 523 799 122 CNCGROUP IP network: China169
4668 520 68 10 LG-EDS Systems Inc.
17676 505 10919 64 Softbank BB Corp.
4802 470 128 151 Wantree Development
9443 438 121 69 Primus Telecommunications
17974 399 145 17 PT TELEKOMUNIKASI INDONESIA
7474 387 202 273 SingTel Optus Pty Ltd
4837 366 5072 178 chinanet IDC center beijing n
9929 329 189 50 China Netcom Corp.
17557 323 55 178 Pakistan Telecom

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

ASN No of nets /20 equiv MaxAgg Description
7018 1481 6106 1005 AT&T WorldNet Services
4323 1387 1009 360 Time Warner Telecom
2386 1340 635 815 AT&T Data Communications Serv
11492 1202 134 15 Cable One
8151 1148 2390 220 UniNet S.A. de C.V.
6478 1090 330 161 AT&T Worldnet Services
18566 1036 288 9 Covad Communications
6197 1026 721 510 BellSouth Network Solutions,
7011 1008 297 588 Citizens Utilities
4134 980 11601 305 CHINANET-BACKBONE
174 971 6831 823 Cogent Communications
701 900 6496 707 UUNET Technologies, Inc.
19262 865 3127 177 Verizon Global Networks
20115 858 793 465 Charter Communications
3356 838 10906 416 Level 3 Communications, LLC
22773 835 2140 59 Cox Communications, Inc.
1239 790 2670 549 Sprint
209 755 3785 599 Qwest
5668 662 176 18 CenturyTel Internet Holdings,
6140 602 109 151 ImpSat

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

ASN No of nets /20 equiv MaxAgg Description
3292 409 1654 368 TDC Tele Danmark
24863 400 60 36 LINKdotNET AS number
3301 323 1458 297 TeliaNet Sweden
3320 316 6019 262 Deutsche Telekom AG
8452 284 188 7 TEDATA
8551 277 266 40 Bezeq International
8866 277 78 24 Bulgarian Telecommunication C
3215 270 2583 92 France Telecom Transpac
6746 270 128 249 Dynamic Network Technologies,
8708 270 420 242 Romania Data Systems S.A.
8220 243 423 229 COLT Telecommunications
9116 242 184 28 Goldenlines main autonomous s
3352 238 1948 40 Ibernet, Internet Access Netw
3269 231 3037 68 TELECOM ITALIA
9155 230 43 10 QualityNet AS number
5462 229 666 27 Telewest Broadband
3300 211 172 100 AUCS Communications Services
9121 211 1444 26 TTnet Autonomous System
20858 201 34 3 EgyNet
29357 199 17 4 WATANIYA TELECOM

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

ASN No of nets /20 equiv MaxAgg Description
28573 229 321 29 NET Servicos de Comunicao S.A
26608 121 23 19 SkyOnline do Brasil Ltda
27747 85 20 4 Types of queries are: POCs, o
27757 80 11 10 ANDINATEL S.A.
26622 68 7 16 SIM TELECOMUNICACOES LTDA
26603 62 4 7 Comercial Dinamica
27699 55 488 26 TELECOMUNICACOES DE SAO PAULO
27798 54 4 4 COSTAVISION S.A.
28580 52 4 4 Cilnet Comunicacoes e Informa
27833 50 6 2 BVNET S.A.
26619 47 4 26 Flycom Comunicaciones
26613 44 3 13 EasyNet S.A.
27696 43 4 15 Multidata S.A.
27845 43 4 10 Empresa Regional de Telecomun
28571 42 58 41 Universidade de Sao Paulo - U
27768 41 6 24 CO.PA.CO.
28611 41 5 4 614 TVC INTERIOR S/A
26596 36 6 4 SUPERCABLE TELECOMUNICACIONES
28640 35 4 3 VIPWay Servi�os de Telecomuni
27715 34 4 2 LocaWeb Ltda

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

ASN No of nets /20 equiv MaxAgg Description
36897 16 1 1 Aerosat Internet Service Prov
36898 15 2 3 UniNet Communications
36925 12 2 3 Meditelecom
36954 12 1 5 Multi-Links Telecommunication
36865 10 2 2 ASN for Teledata Mozambique
36866 10 1 4 Jamii Telecommunications Limi
36917 10 1 2 ACS | Angola Comunicacoes & S
36915 8 2 2 Africa Online Kenya
36864 7 1 1 AFRIBONE Mali SA
36877 7 2 3 MWEB
36911 7 2 5 DIRECT ON PC LTD HUB
36889 6 1 2 DotCoZa
36890 6 1 4 MTN RwandaCell
36950 6 0 3 Tropcon Comunicacoes LDA
36992 6 1 4 Etisalat MISR
36888 5 1 2 Net Afrique Dotcom Ltd.
36935 5 3 5 Vodafone Egypt Telecommunicat
36874 4 11 4 Cybersmart
36934 4 16 4 Artel International
36958 4 0 3 Atlas Cable & Wireless

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

ASN No of nets Net Savings Description
11492 1202 1187 Cable One
4323 1387 1027 Time Warner Telecom
18566 1036 1027 Covad Communications
9498 1064 1003 BHARTI BT INTERNET LTD.
6478 1090 929 AT&T Worldnet Services
8151 1148 928 UniNet S.A. de C.V.
17488 936 852 Hathway IP Over Cable Interne
22773 835 776 Cox Communications, Inc.
19262 865 688 Verizon Global Networks
4134 980 675 CHINANET-BACKBONE
9583 1101 668 Sify Limited
5668 662 644 CenturyTel Internet Holdings,
9829 589 578 BSNL National Internet Backbo
6517 596 560 Yipes Communications, Inc.
18101 611 552 Reliance Infocom Ltd Internet
15270 596 544 PaeTec.net -a division of Pae
11830 545 536 Instituto Costarricense de El
2386 1340 525 AT&T Data Communications Serv
19916 563 521 OLM LLC
6197 1026 516 BellSouth Network Solutions,

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

Bad AS Designation Network Transit AS Description
43185 UNALLOCATED 77.95.208.0/21 12779 ITGATE.Net
65068 PRIVATE 79.171.184.0/21 43895 *
65500 PRIVATE 83.142.233.0/24 20516 LuckyNet Israel
65364 PRIVATE 190.144.163.0/24 14080 FIRSTCOM COLOMBIA
65389 PRIVATE 190.144.166.0/24 14080 FIRSTCOM COLOMBIA
65394 PRIVATE 190.144.167.0/24 14080 FIRSTCOM COLOMBIA
65403 PRIVATE 190.144.168.0/24 14080 FIRSTCOM COLOMBIA
65375 PRIVATE 190.144.175.0/24 14080 FIRSTCOM COLOMBIA
65201 PRIVATE 202.112.49.0/24 4538 China Education and
65201 PRIVATE 202.112.50.0/24 4538 China Education and
65201 PRIVATE 202.112.57.0/24 4538 China Education and

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

Network Origin AS Description
31.31.31.0/24 9730 The Best ISP to go Multimedia
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
173.173.173.0/24 9730 The Best ISP to go Multimedia
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 /11:40 /12:135
/13:271 /14:487 /15:971 /16:9742 /17:4196 /18:6901
/19:14893 /20:17065 /21:16127 /22:20228 /23:21221 /24:126749
/25:872 /26:1088 /27:549 /28:92 /29:8 /30:1
/31:0 /32:6

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

ASN No of nets Total ann. Description
11492 1192 1202 Cable One
6478 1089 1090 AT&T Worldnet Services
2386 1036 1340 AT&T Data Communications Serv
18566 1018 1036 Covad Communications
9583 946 1101 Sify Limited
7011 893 1008 Citizens Utilities
4755 872 1507 Videsh Sanchar Nigam Ltd. Aut
7018 815 1481 AT&T WorldNet Services
23577 801 810 Korea Telecom (ATM-MPLS)
6197 772 1026 BellSouth Network Solutions,
9498 752 1064 BHARTI BT INTERNET LTD.
17488 751 936 Hathway IP Over Cable Interne
4766 613 829 Korea Telecom (KIX)
4323 594 1387 Time Warner Telecom
15270 558 596 PaeTec.net -a division of Pae
19916 558 563 OLM LLC
6517 557 596 Yipes Communications, Inc.
5668 521 662 CenturyTel Internet Holdings,
4668 510 520 LG-EDS Systems Inc.
18101 504 611 Reliance Infocom Ltd Internet

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

4:9 8:96 12:1930 13:2 15:21 16:3
17:6 18:14 20:35 24:1019 25:1 31:1
32:61 33:4 38:370 40:69 41:431 44:2
47:8 52:3 55:3 56:3 57:21 58:508
59:412 60:399 61:985 62:1047 63:1979 64:3303
65:2361 66:3576 67:1018 68:643 69:2071 70:464
71:105 72:1466 73:7 74:808 75:270 76:175
77:478 78:408 79:65 80:898 81:791 82:556
83:370 84:544 85:907 86:366 87:595 88:292
89:1062 90:39 91:864 92:55 93:2 96:2
97:7 98:25 114:1 115:1 116:454 117:231
118:68 119:41 121:381 122:666 123:229 124:760
125:1060 128:311 129:185 130:136 131:388 132:68
133:9 134:194 135:34 136:193 137:85 138:146
139:71 140:516 141:126 142:375 143:260 144:321
145:51 146:333 147:128 148:476 149:186 150:116
151:129 152:95 153:127 154:11 155:279 156:200
157:244 158:165 159:210 160:192 161:99 162:198
163:186 164:561 165:409 166:291 167:308 168:550
169:129 170:420 171:29 172:3 173:1 189:138
190:1328 192:5734 193:4060 194:3248 195:2328 196:956
198:3807 199:3226 200:5351 201:1310 202:7433 203:7814
204:3978 205:2043 206:2418 207:2750 208:3071 209:3581
210:2504 211:1110 212:1247 213:1599 214:440 215:45
216:4105 217:1216 218:329 219:402 220:1006 221:407
222:294

End of report

cscora at apnic

Jan 4, 2008, 10:02 AM

Post #38 of 149 (8246 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 Jan, 2008

Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/

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

BGP routing table entries examined: 242200
Prefixes after maximum aggregation: 124007
Deaggregation factor: 1.95
Unique aggregates announced to Internet: 118208
Total ASes present in the Internet Routing Table: 27005
Prefixes per ASN: 8.97
Origin-only ASes present in the Internet Routing Table: 23512
Origin ASes announcing only one prefix: 11444
Transit ASes present in the Internet Routing Table: 3493
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: 19
Max AS path prepend of ASN (29642) 15
Prefixes from unregistered ASNs in the Routing Table: 14
Unregistered ASNs in the Routing Table: 11
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: 1799264928
Equivalent to 107 /8s, 62 /16s and 154 /24s
Percentage of available address space announced: 48.5
Percentage of allocated address space announced: 62.1
Percentage of available address space allocated: 78.2
Total number of prefixes smaller than registry allocations: 113778

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

Prefixes being announced by APNIC Region ASes: 55901
Total APNIC prefixes after maximum aggregation: 20947
APNIC Deaggregation factor: 2.67
Prefixes being announced from the APNIC address blocks: 53413
Unique aggregates announced from the APNIC address blocks: 23736
APNIC Region origin ASes present in the Internet Routing Table: 3088
APNIC Prefixes per ASN: 17.30
APNIC Region origin ASes announcing only one prefix: 809
APNIC Region transit ASes present in the Internet Routing Table: 459
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 324705440
Equivalent to 19 /8s, 90 /16s and 156 /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, 114/7, 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: 114232
Total ARIN prefixes after maximum aggregation: 65155
ARIN Deaggregation factor: 1.75
Prefixes being announced from the ARIN address blocks: 83294
Unique aggregates announced from the ARIN address blocks: 33130
ARIN Region origin ASes present in the Internet Routing Table: 12043
ARIN Prefixes per ASN: 6.92
ARIN Region origin ASes announcing only one prefix: 4634
ARIN Region transit ASes present in the Internet Routing Table: 1149
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 355905984
Equivalent to 21 /8s, 54 /16s and 177 /24s
Percentage of available ARIN address space announced: 78.6

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: 50554
Total RIPE prefixes after maximum aggregation: 32176
RIPE Deaggregation factor: 1.57
Prefixes being announced from the RIPE address blocks: 47887
Unique aggregates announced from the RIPE address blocks: 31727
RIPE Region origin ASes present in the Internet Routing Table: 10690
RIPE Prefixes per ASN: 4.48
RIPE Region origin ASes announcing only one prefix: 5645
RIPE Region transit ASes present in the Internet Routing Table: 1658
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 339848832
Equivalent to 20 /8s, 65 /16s and 174 /24s
Percentage of available RIPE address space announced: 77.9

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
40960-45055
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: 18140
Total LACNIC prefixes after maximum aggregation: 4608
LACNIC Deaggregation factor: 3.94
Prefixes being announced from the LACNIC address blocks: 16311
Unique aggregates announced from the LACNIC address blocks: 9002
LACNIC Region origin ASes present in the Internet Routing Table: 893
LACNIC Prefixes per ASN: 18.27
LACNIC Region origin ASes announcing only one prefix: 289
LACNIC Region transit ASes present in the Internet Routing Table: 154
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 47137792
Equivalent to 2 /8s, 207 /16s and 68 /24s
Percentage of available LACNIC address space announced: 46.8

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: 3351
Total AfriNIC prefixes after maximum aggregation: 1105
AfriNIC Deaggregation factor: 3.03
Prefixes being announced from the AfriNIC address blocks: 2500
Unique aggregates announced from the AfriNIC address blocks: 1455
AfriNIC Region origin ASes present in the Internet Routing Table: 215
AfriNIC Prefixes per ASN: 11.63
AfriNIC Region origin ASes announcing only one prefix: 67
AfriNIC Region transit ASes present in the Internet Routing Table: 38
Average AfriNIC Region AS path length visible: 3.6
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 8214528
Equivalent to 0 /8s, 125 /16s and 88 /24s
Percentage of available AfriNIC address space announced: 24.5

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
4755 1510 383 70 Videsh Sanchar Nigam Ltd. Aut
9583 1104 82 434 Sify Limited
9498 1101 549 61 BHARTI BT INTERNET LTD.
4134 980 11601 305 CHINANET-BACKBONE
17488 944 61 82 Hathway IP Over Cable Interne
4766 827 5495 339 Korea Telecom (KIX)
23577 810 34 691 Korea Telecom (ATM-MPLS)
18101 608 120 59 Reliance Infocom Ltd Internet
4780 592 308 42 Digital United Inc.
9829 590 449 11 BSNL National Internet Backbo
1221 545 1952 421 Telstra Pty Ltd
4812 529 874 82 China Telecom (Shanghai)
4808 526 815 123 CNCGROUP IP network: China169
4668 521 68 10 LG-EDS Systems Inc.
17676 505 10919 64 Softbank BB Corp.
7545 490 147 93 TPG Internet Pty Ltd
4802 470 128 151 Wantree Development
9443 434 121 69 Primus Telecommunications
17974 400 145 17 PT TELEKOMUNIKASI INDONESIA
7474 387 202 273 SingTel Optus Pty Ltd

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

ASN No of nets /20 equiv MaxAgg Description
7018 1483 6106 1006 AT&T WorldNet Services
4323 1387 1009 360 Time Warner Telecom
2386 1342 651 815 AT&T Data Communications Serv
11492 1205 134 16 Cable One
6478 1096 330 135 AT&T Worldnet Services
18566 1039 296 10 Covad Communications
7011 1010 297 590 Citizens Utilities
174 970 6832 818 Cogent Communications
6197 969 697 502 BellSouth Network Solutions,
701 899 6544 706 UUNET Technologies, Inc.
20115 858 792 466 Charter Communications
19262 856 3141 172 Verizon Global Networks
22773 838 2140 59 Cox Communications, Inc.
3356 836 10907 415 Level 3 Communications, LLC
1239 794 2672 551 Sprint
209 747 3784 595 Qwest
5668 665 177 19 CenturyTel Internet Holdings,
6140 604 109 152 ImpSat
15270 597 160 53 PaeTec.net -a division of Pae
6517 595 150 41 Yipes Communications, Inc.

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

ASN No of nets /20 equiv MaxAgg Description
3292 409 1654 368 TDC Tele Danmark
3301 324 1458 298 TeliaNet Sweden
3320 316 6019 262 Deutsche Telekom AG
8452 287 188 7 TEDATA
8551 277 266 40 Bezeq International
8866 276 78 24 Bulgarian Telecommunication C
6746 272 128 250 Dynamic Network Technologies,
680 270 2046 255 DFN-IP service G-WiN
3215 270 2583 92 France Telecom Transpac
8708 270 420 242 Romania Data Systems S.A.
8220 242 422 228 COLT Telecommunications
3352 238 1948 40 Ibernet, Internet Access Netw
9155 233 43 10 QualityNet AS number
3269 231 3037 68 TELECOM ITALIA
5462 229 666 27 Telewest Broadband
9116 215 184 28 Goldenlines main autonomous s
3300 211 172 100 AUCS Communications Services
9121 209 1444 25 TTnet Autonomous System
29357 199 17 4 WATANIYA TELECOM
1257 196 1195 179 SWIPnet Swedish IP Network

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

ASN No of nets /20 equiv MaxAgg Description
8151 1149 2390 219 UniNet S.A. de C.V.
11830 545 299 9 Instituto Costarricense de El
16814 427 27 10 NSS, S.A.
7303 419 204 56 Telecom Argentina Stet-France
11172 379 115 62 Servicios Alestra S.A de C.V
6471 376 85 37 ENTEL CHILE S.A.
14522 371 34 8 SatNet S.A.
22047 322 254 13 VTR PUNTO NET S.A.
10620 302 81 23 TVCABLE BOGOTA
10481 301 120 10 Prima S.A.
14117 286 19 15 Telefonica del Sur S.A.
6147 255 214 21 Telefonica Del Peru
7738 237 602 25 Telecomunicacoes da Bahia S.A
11556 235 128 3 Cable-Wireless Panama
28573 230 322 23 NET Servicos de Comunicao S.A
23216 225 17 47 RAMtelecom Telecomunicaciones
20299 220 33 29 NEWCOM AMERICAS
6503 216 180 85 AVANTEL, S.A.
19169 193 12 20 Telconet
21826 187 33 48 INTERCABLE

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

ASN No of nets /20 equiv MaxAgg Description
24863 402 60 36 LINKdotNET AS number
3741 284 869 226 The Internet Solution
20858 201 34 3 EgyNet
6713 145 135 11 Itissalat Al-MAGHRIB
2018 142 268 114 Tertiary Education Network
33783 139 9 10 EEPAD TISP TELECOM & INTERNET
5536 124 8 10 Internet Egypt Network
33776 99 6 7 Starcomms Nigeria Limited
24835 88 48 6 RAYA Telecom - Egypt
15475 84 84 4 Nile Online
23889 79 24 16 MAURITIUS TELECOM
2905 77 174 73 The Internetworking Company o
29571 77 13 7 Ci Telecom Autonomous system
20484 70 5 6 Yalla Online Autonomous Syste
15706 57 12 4 Sudatel Internet Exchange Aut
5713 50 455 40 Telkom SA Ltd
33774 50 37 28 AS Number for Telecom Algeria
16637 43 21 28 Johnnic e-Ventures
8524 33 2 8 AUCEGYPT Autonomous System
12455 32 6 3 Jambonet Autonomous system

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

ASN No of nets Net Savings Description
11492 1205 1189 Cable One
9498 1101 1040 BHARTI BT INTERNET LTD.
18566 1039 1029 Covad Communications
4323 1387 1027 Time Warner Telecom
6478 1096 961 AT&T Worldnet Services
8151 1149 930 UniNet S.A. de C.V.
17488 944 862 Hathway IP Over Cable Interne
22773 838 779 Cox Communications, Inc.
19262 856 684 Verizon Global Networks
4134 980 675 CHINANET-BACKBONE
9583 1104 670 Sify Limited
5668 665 646 CenturyTel Internet Holdings,
9829 590 579 BSNL National Internet Backbo
6517 595 554 Yipes Communications, Inc.
4780 592 550 Digital United Inc.
18101 608 549 Reliance Infocom Ltd Internet
15270 597 544 PaeTec.net -a division of Pae
11830 545 536 Instituto Costarricense de El
2386 1342 527 AT&T Data Communications Serv
19916 563 521 OLM LLC

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

Bad AS Designation Network Transit AS Description
43185 UNALLOCATED 77.95.208.0/21 12779 ITGATE.Net
65500 PRIVATE 83.142.233.0/24 20516 *LuckyNet Israel
65101 PRIVATE 89.211.160.0/19 42298 Qatar Telecom
65101 PRIVATE 89.211.192.0/19 42298 Qatar Telecom
65364 PRIVATE 190.144.163.0/24 14080 FIRSTCOM COLOMBIA
65389 PRIVATE 190.144.166.0/24 14080 FIRSTCOM COLOMBIA
65394 PRIVATE 190.144.167.0/24 14080 FIRSTCOM COLOMBIA
65403 PRIVATE 190.144.168.0/24 14080 FIRSTCOM COLOMBIA
65375 PRIVATE 190.144.175.0/24 14080 FIRSTCOM COLOMBIA
60003 RESERVED 195.164.196.0/24 8308 NASK
65201 PRIVATE 202.112.49.0/24 4538 China Education and
65201 PRIVATE 202.112.50.0/24 4538 China Education and
65201 PRIVATE 202.112.54.0/24 4538 China Education and
65201 PRIVATE 202.112.57.0/24 4538 China Education and

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

Network Origin AS Description
31.31.31.0/24 9730 The Best ISP to go Multimedia
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
173.173.173.0/24 9730 The Best ISP to go Multimedia
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 /11:40 /12:134
/13:271 /14:488 /15:969 /16:9748 /17:4211 /18:6940
/19:14918 /20:17056 /21:16132 /22:20287 /23:21293 /24:127042
/25:871 /26:1090 /27:551 /28:102 /29:8 /30:1
/31:0 /32:6

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

ASN No of nets Total ann. Description
11492 1195 1205 Cable One
6478 1095 1096 AT&T Worldnet Services
2386 1037 1342 AT&T Data Communications Serv
18566 1020 1039 Covad Communications
9583 949 1104 Sify Limited
7011 895 1010 Citizens Utilities
4755 876 1510 Videsh Sanchar Nigam Ltd. Aut
7018 816 1483 AT&T WorldNet Services
23577 801 810 Korea Telecom (ATM-MPLS)
9498 774 1101 BHARTI BT INTERNET LTD.
17488 759 944 Hathway IP Over Cable Interne
6197 729 969 BellSouth Network Solutions,
4766 610 827 Korea Telecom (KIX)
4323 594 1387 Time Warner Telecom
6517 559 595 Yipes Communications, Inc.
15270 558 597 PaeTec.net -a division of Pae
19916 558 563 OLM LLC
5668 522 665 CenturyTel Internet Holdings,
4668 511 521 LG-EDS Systems Inc.
18101 502 608 Reliance Infocom Ltd Internet

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

4:9 8:96 12:1933 13:2 15:21 16:3
17:6 18:14 20:35 24:1009 25:1 31:1
32:61 33:4 38:373 40:65 41:438 44:2
47:8 52:3 55:3 56:3 57:21 58:507
59:417 60:403 61:984 62:1046 63:1982 64:3323
65:2365 66:3564 67:1013 68:642 69:2074 70:470
71:105 72:1471 73:7 74:802 75:173 76:174
77:488 78:416 79:65 80:886 81:791 82:558
83:365 84:520 85:893 86:363 87:593 88:290
89:1080 90:39 91:874 92:60 96:2 97:7
98:28 114:1 115:1 116:466 117:236 118:59
119:79 121:388 122:668 123:226 124:764 125:1059
128:311 129:187 130:130 131:389 132:68 133:9
134:187 135:34 136:197 137:84 138:150 139:90
140:500 141:129 142:374 143:264 144:321 145:51
146:336 147:128 148:482 149:188 150:115 151:129
152:95 153:127 154:11 155:279 156:200 157:244
158:165 159:210 160:192 161:99 162:199 163:189
164:562 165:413 166:290 167:310 168:553 169:129
170:426 171:28 172:3 173:1 189:138 190:1336
192:5739 193:4063 194:3246 195:2336 196:951 198:3807
199:3226 200:5337 201:1299 202:7476 203:7905 204:3966
205:2059 206:2411 207:2748 208:3079 209:3580 210:2637
211:1116 212:1262 213:1607 214:440 215:45 216:4092
217:1227 218:329 219:401 220:1006 221:407 222:295

End of report

cscora at apnic

Jan 11, 2008, 10:05 AM

Post #39 of 149 (8201 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 Jan, 2008

Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/

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

BGP routing table entries examined: 242944
Prefixes after maximum aggregation: 124170
Deaggregation factor: 1.96
Unique aggregates announced to Internet: 118684
Total ASes present in the Internet Routing Table: 27064
Prefixes per ASN: 8.98
Origin-only ASes present in the Internet Routing Table: 23563
Origin ASes announcing only one prefix: 11452
Transit ASes present in the Internet Routing Table: 3501
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: 19
Max AS path prepend of ASN (29642) 15
Prefixes from unregistered ASNs in the Routing Table: 12
Unregistered ASNs in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 9
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1799965984
Equivalent to 107 /8s, 73 /16s and 77 /24s
Percentage of available address space announced: 48.6
Percentage of allocated address space announced: 62.1
Percentage of available address space allocated: 78.2
Total number of prefixes smaller than registry allocations: 114374

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

Prefixes being announced by APNIC Region ASes: 55911
Total APNIC prefixes after maximum aggregation: 21003
APNIC Deaggregation factor: 2.66
Prefixes being announced from the APNIC address blocks: 53426
Unique aggregates announced from the APNIC address blocks: 23847
APNIC Region origin ASes present in the Internet Routing Table: 3091
APNIC Prefixes per ASN: 17.28
APNIC Region origin ASes announcing only one prefix: 806
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: 14
Number of APNIC addresses announced to Internet: 325161632
Equivalent to 19 /8s, 97 /16s and 146 /24s
Percentage of available APNIC address space announced: 74.4

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, 114/7, 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: 114433
Total ARIN prefixes after maximum aggregation: 65214
ARIN Deaggregation factor: 1.75
Prefixes being announced from the ARIN address blocks: 83426
Unique aggregates announced from the ARIN address blocks: 33233
ARIN Region origin ASes present in the Internet Routing Table: 12059
ARIN Prefixes per ASN: 6.92
ARIN Region origin ASes announcing only one prefix: 4646
ARIN Region transit ASes present in the Internet Routing Table: 1152
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 355588544
Equivalent to 21 /8s, 49 /16s and 217 /24s
Percentage of available ARIN address space announced: 78.5

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: 50815
Total RIPE prefixes after maximum aggregation: 32203
RIPE Deaggregation factor: 1.58
Prefixes being announced from the RIPE address blocks: 48137
Unique aggregates announced from the RIPE address blocks: 31950
RIPE Region origin ASes present in the Internet Routing Table: 10722
RIPE Prefixes per ASN: 4.49
RIPE Region origin ASes announcing only one prefix: 5645
RIPE Region transit ASes present in the Internet Routing Table: 1666
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 340099072
Equivalent to 20 /8s, 69 /16s and 128 /24s
Percentage of available RIPE address space announced: 78.0

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
40960-45055
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: 18404
Total LACNIC prefixes after maximum aggregation: 4626
LACNIC Deaggregation factor: 3.98
Prefixes being announced from the LACNIC address blocks: 16553
Unique aggregates announced from the LACNIC address blocks: 9040
LACNIC Region origin ASes present in the Internet Routing Table: 897
LACNIC Prefixes per ASN: 18.45
LACNIC Region origin ASes announcing only one prefix: 287
LACNIC Region transit ASes present in the Internet Routing Table: 153
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 47242240
Equivalent to 2 /8s, 208 /16s and 220 /24s
Percentage of available LACNIC address space announced: 46.9

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: 3359
Total AfriNIC prefixes after maximum aggregation: 1106
AfriNIC Deaggregation factor: 3.04
Prefixes being announced from the AfriNIC address blocks: 2504
Unique aggregates announced from the AfriNIC address blocks: 1455
AfriNIC Region origin ASes present in the Internet Routing Table: 217
AfriNIC Prefixes per ASN: 11.54
AfriNIC Region origin ASes announcing only one prefix: 68
AfriNIC Region transit ASes present in the Internet Routing Table: 39
Average AfriNIC Region AS path length visible: 3.6
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 8219136
Equivalent to 0 /8s, 125 /16s and 106 /24s
Percentage of available AfriNIC address space announced: 24.5

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
4755 1518 383 71 Videsh Sanchar Nigam Ltd. Aut
9583 1112 82 436 Sify Limited
9498 1094 549 61 BHARTI BT INTERNET LTD.
17488 960 62 87 Hathway IP Over Cable Interne
4134 858 11593 305 CHINANET-BACKBONE
4766 834 5494 339 Korea Telecom (KIX)
23577 815 34 693 Korea Telecom (ATM-MPLS)
18101 609 121 60 Reliance Infocom Ltd Internet
4780 591 308 43 Digital United Inc.
9829 590 449 11 BSNL National Internet Backbo
1221 545 1952 421 Telstra Pty Ltd
4812 535 938 83 China Telecom (Shanghai)
4808 530 821 125 CNCGROUP IP network: China169
4668 521 68 10 LG-EDS Systems Inc.
17676 505 10919 64 Softbank BB Corp.
7545 486 146 89 TPG Internet Pty Ltd
4802 471 128 152 Wantree Development
9443 434 121 69 Primus Telecommunications
17974 399 145 17 PT TELEKOMUNIKASI INDONESIA
7474 386 202 272 SingTel Optus Pty Ltd

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

ASN No of nets /20 equiv MaxAgg Description
7018 1472 6073 996 AT&T WorldNet Services
4323 1388 1011 361 Time Warner Telecom
2386 1355 668 824 AT&T Data Communications Serv
11492 1210 134 16 Cable One
6478 1095 330 135 AT&T Worldnet Services
18566 1039 296 10 Covad Communications
7011 1003 296 589 Citizens Utilities
174 969 6832 812 Cogent Communications
6197 968 697 502 BellSouth Network Solutions,
701 898 6559 693 UUNET Technologies, Inc.
19262 863 3156 171 Verizon Global Networks
20115 862 794 468 Charter Communications
22773 837 2139 58 Cox Communications, Inc.
3356 835 10907 412 Level 3 Communications, LLC
1239 793 2673 552 Sprint
209 751 3912 600 Qwest
5668 666 177 19 CenturyTel Internet Holdings,
6140 608 110 151 ImpSat
6517 605 151 42 Yipes Communications, Inc.
852 600 1134 358 Telus Advanced Communications

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

ASN No of nets /20 equiv MaxAgg Description
3292 402 1651 367 TDC Tele Danmark
3301 327 1458 298 TeliaNet Sweden
3320 317 6019 263 Deutsche Telekom AG
8452 287 188 7 TEDATA
8551 278 267 41 Bezeq International
8866 277 78 24 Bulgarian Telecommunication C
5462 276 666 27 Telewest Broadband
6746 272 128 250 Dynamic Network Technologies,
680 270 2046 255 DFN-IP service G-WiN
3215 270 2583 92 France Telecom Transpac
8708 270 420 241 Romania Data Systems S.A.
8220 242 422 228 COLT Telecommunications
3352 240 1948 40 Ibernet, Internet Access Netw
3269 231 3037 68 TELECOM ITALIA
9155 227 43 10 QualityNet AS number
3300 211 172 100 AUCS Communications Services
9121 209 1444 25 TTnet Autonomous System
29357 199 17 4 WATANIYA TELECOM
1257 197 1196 180 SWIPnet Swedish IP Network
9116 196 184 28 Goldenlines main autonomous s

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

ASN No of nets /20 equiv MaxAgg Description
8151 1149 2390 218 UniNet S.A. de C.V.
11830 545 299 9 Instituto Costarricense de El
16814 427 27 10 NSS, S.A.
7303 418 203 56 Telecom Argentina Stet-France
11172 396 115 62 Servicios Alestra S.A de C.V
6471 374 85 37 ENTEL CHILE S.A.
14117 351 23 16 Telefonica del Sur S.A.
10620 343 91 25 TVCABLE BOGOTA
22047 322 254 13 VTR PUNTO NET S.A.
10481 301 120 10 Prima S.A.
6147 255 214 21 Telefonica Del Peru
7738 240 602 25 Telecomunicacoes da Bahia S.A
11556 236 128 4 Cable-Wireless Panama
20299 236 33 29 NEWCOM AMERICAS
28573 228 322 23 NET Servicos de Comunicao S.A
23216 225 17 47 RAMtelecom Telecomunicaciones
14522 220 36 8 SatNet S.A.
6503 215 180 85 AVANTEL, S.A.
10834 194 76 40 ADVANCE TELECOMUNICACIONES S.
19169 193 12 20 Telconet

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

ASN No of nets /20 equiv MaxAgg Description
24863 402 60 36 LINKdotNET AS number
3741 282 869 226 The Internet Solution
20858 201 34 3 EgyNet
6713 145 135 11 Itissalat Al-MAGHRIB
2018 142 268 114 Tertiary Education Network
33783 141 9 10 EEPAD TISP TELECOM & INTERNET
5536 124 8 10 Internet Egypt Network
33776 99 6 7 Starcomms Nigeria Limited
24835 88 48 6 RAYA Telecom - Egypt
15475 85 84 4 Nile Online
2905 77 174 73 The Internetworking Company o
23889 77 24 16 MAURITIUS TELECOM
29571 77 13 7 Ci Telecom Autonomous system
20484 71 5 4 Yalla Online Autonomous Syste
15706 57 12 4 Sudatel Internet Exchange Aut
5713 50 455 40 Telkom SA Ltd
33774 50 37 28 AS Number for Telecom Algeria
16637 41 21 28 Johnnic e-Ventures
8524 33 2 8 AUCEGYPT Autonomous System
12455 32 6 3 Jambonet Autonomous system

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

ASN No of nets Net Savings Description
11492 1210 1194 Cable One
9498 1094 1033 BHARTI BT INTERNET LTD.
18566 1039 1029 Covad Communications
4323 1388 1027 Time Warner Telecom
6478 1095 960 AT&T Worldnet Services
8151 1149 931 UniNet S.A. de C.V.
17488 960 873 Hathway IP Over Cable Interne
22773 837 779 Cox Communications, Inc.
19262 863 692 Verizon Global Networks
9583 1112 676 Sify Limited
5668 666 647 CenturyTel Internet Holdings,
9829 590 579 BSNL National Internet Backbo
6517 605 563 Yipes Communications, Inc.
4134 858 553 CHINANET-BACKBONE
18101 609 549 Reliance Infocom Ltd Internet
4780 591 548 Digital United Inc.
15270 600 545 PaeTec.net -a division of Pae
11830 545 536 Instituto Costarricense de El
2386 1355 531 AT&T Data Communications Serv
19916 563 521 OLM LLC

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

Bad AS Designation Network Transit AS Description
65101 PRIVATE 89.211.192.0/19 42298 Qatar Telecom
65364 PRIVATE 190.144.163.0/24 14080 FIRSTCOM COLOMBIA
65389 PRIVATE 190.144.166.0/24 14080 FIRSTCOM COLOMBIA
65394 PRIVATE 190.144.167.0/24 14080 FIRSTCOM COLOMBIA
65403 PRIVATE 190.144.168.0/24 14080 FIRSTCOM COLOMBIA
65375 PRIVATE 190.144.175.0/24 14080 FIRSTCOM COLOMBIA
65201 PRIVATE 202.112.45.0/24 4538 China Education and
65201 PRIVATE 202.112.49.0/24 4538 China Education and
65201 PRIVATE 202.112.50.0/24 4538 China Education and
65201 PRIVATE 202.112.54.0/24 4538 China Education and
65201 PRIVATE 202.112.57.0/24 4538 China Education and
65201 PRIVATE 202.112.58.0/24 4538 China Education and

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

Network Origin AS Description
31.31.31.0/24 9730 The Best ISP to go Multimedia
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
173.173.173.0/24 9730 The Best ISP to go Multimedia
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 /11:40 /12:133
/13:271 /14:486 /15:969 /16:9735 /17:4210 /18:6947
/19:14867 /20:17088 /21:16130 /22:20334 /23:21444 /24:127610
/25:872 /26:1093 /27:557 /28:101 /29:8 /30:1
/31:0 /32:6

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

ASN No of nets Total ann. Description
11492 1200 1210 Cable One
6478 1094 1095 AT&T Worldnet Services
2386 1049 1355 AT&T Data Communications Serv
18566 1020 1039 Covad Communications
9583 957 1112 Sify Limited
7011 888 1003 Citizens Utilities
4755 882 1518 Videsh Sanchar Nigam Ltd. Aut
7018 808 1472 AT&T WorldNet Services
23577 806 815 Korea Telecom (ATM-MPLS)
17488 775 960 Hathway IP Over Cable Interne
9498 766 1094 BHARTI BT INTERNET LTD.
6197 728 968 BellSouth Network Solutions,
4766 618 834 Korea Telecom (KIX)
4323 594 1388 Time Warner Telecom
6517 568 605 Yipes Communications, Inc.
15270 560 600 PaeTec.net -a division of Pae
19916 558 563 OLM LLC
5668 522 666 CenturyTel Internet Holdings,
4668 511 521 LG-EDS Systems Inc.
18101 503 609 Reliance Infocom Ltd Internet

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

4:9 8:97 12:1940 13:2 15:21 16:3
17:6 18:14 20:35 24:1009 25:1 31:1
32:61 33:4 38:379 40:65 41:439 44:2
47:8 52:3 55:3 56:3 57:22 58:504
59:413 60:405 61:980 62:1046 63:1981 64:3335
65:2364 66:3605 67:1059 68:640 69:2077 70:469
71:105 72:1462 73:7 74:785 75:173 76:176
77:493 78:434 79:65 80:888 81:786 82:565
83:352 84:522 85:926 86:366 87:595 88:289
89:1085 90:39 91:898 92:96 93:18 95:1
96:2 97:7 98:29 114:1 115:1 116:481
117:241 118:63 119:89 121:387 122:668 123:226
124:767 125:1062 128:310 129:198 130:125 131:390
132:68 133:9 134:188 135:31 136:215 137:85
138:149 139:90 140:500 141:131 142:375 143:272
144:325 145:51 146:336 147:129 148:481 149:188
150:115 151:131 152:95 153:127 154:11 155:278
156:196 157:246 158:165 159:212 160:196 161:99
162:199 163:190 164:562 165:420 166:291 167:310
168:566 169:130 170:427 171:28 172:3 173:1
189:140 190:1382 192:5742 193:4061 194:3247 195:2317
196:959 198:3803 199:3221 200:5414 201:1295 202:7492
203:7906 204:3959 205:2052 206:2424 207:2753 208:3092
209:3607 210:2637 211:1118 212:1265 213:1612 214:448
215:46 216:4134 217:1236 218:331 219:404 220:1008
221:411 222:295

End of report

cscora at apnic

Jan 18, 2008, 4:05 PM

Post #40 of 149 (8183 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 10:00 +10GMT Sat 19 Jan, 2008

Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/

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

BGP routing table entries examined: 243516
Prefixes after maximum aggregation: 123936
Deaggregation factor: 1.96
Unique aggregates announced to Internet: 117788
Total ASes present in the Internet Routing Table: 27117
Prefixes per ASN: 8.98
Origin-only ASes present in the Internet Routing Table: 23629
Origin ASes announcing only one prefix: 11488
Transit ASes present in the Internet Routing Table: 3488
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: 18
Max AS path prepend of ASN (29642) 15
Prefixes from unregistered ASNs in the Routing Table: 10
Unregistered ASNs in the Routing Table: 10
Prefixes from 32-bit ASNs in the Routing Table: 9
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1803647520
Equivalent to 107 /8s, 129 /16s and 122 /24s
Percentage of available address space announced: 48.7
Percentage of allocated address space announced: 62.2
Percentage of available address space allocated: 78.2
Total number of prefixes smaller than registry allocations: 114743

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

Prefixes being announced by APNIC Region ASes: 56152
Total APNIC prefixes after maximum aggregation: 20652
APNIC Deaggregation factor: 2.72
Prefixes being announced from the APNIC address blocks: 53652
Unique aggregates announced from the APNIC address blocks: 22808
APNIC Region origin ASes present in the Internet Routing Table: 3100
APNIC Prefixes per ASN: 17.31
APNIC Region origin ASes announcing only one prefix: 809
APNIC Region transit ASes present in the Internet Routing Table: 459
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 326308000
Equivalent to 19 /8s, 115 /16s and 16 /24s
Percentage of available APNIC address space announced: 74.6

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, 114/7, 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: 114660
Total ARIN prefixes after maximum aggregation: 65243
ARIN Deaggregation factor: 1.76
Prefixes being announced from the ARIN address blocks: 83573
Unique aggregates announced from the ARIN address blocks: 33291
ARIN Region origin ASes present in the Internet Routing Table: 12069
ARIN Prefixes per ASN: 6.92
ARIN Region origin ASes announcing only one prefix: 4657
ARIN Region transit ASes present in the Internet Routing Table: 1148
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 357760960
Equivalent to 21 /8s, 82 /16s and 255 /24s
Percentage of available ARIN address space announced: 79.0

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: 50874
Total RIPE prefixes after maximum aggregation: 32306
RIPE Deaggregation factor: 1.57
Prefixes being announced from the RIPE address blocks: 48212
Unique aggregates announced from the RIPE address blocks: 32047
RIPE Region origin ASes present in the Internet Routing Table: 10762
RIPE Prefixes per ASN: 4.48
RIPE Region origin ASes announcing only one prefix: 5665
RIPE Region transit ASes present in the Internet Routing Table: 1657
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 340400128
Equivalent to 20 /8s, 74 /16s and 24 /24s
Percentage of available RIPE address space announced: 78.0

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
40960-45055
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: 18457
Total LACNIC prefixes after maximum aggregation: 4611
LACNIC Deaggregation factor: 4.00
Prefixes being announced from the LACNIC address blocks: 16670
Unique aggregates announced from the LACNIC address blocks: 9023
LACNIC Region origin ASes present in the Internet Routing Table: 894
LACNIC Prefixes per ASN: 18.65
LACNIC Region origin ASes announcing only one prefix: 288
LACNIC Region transit ASes present in the Internet Routing Table: 150
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 47263488
Equivalent to 2 /8s, 209 /16s and 47 /24s
Percentage of available LACNIC address space announced: 47.0

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: 3358
Total AfriNIC prefixes after maximum aggregation: 1106
AfriNIC Deaggregation factor: 3.04
Prefixes being announced from the AfriNIC address blocks: 2507
Unique aggregates announced from the AfriNIC address blocks: 1457
AfriNIC Region origin ASes present in the Internet Routing Table: 217
AfriNIC Prefixes per ASN: 11.55
AfriNIC Region origin ASes announcing only one prefix: 69
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: 14
Number of AfriNIC addresses announced to Internet: 8208896
Equivalent to 0 /8s, 125 /16s and 66 /24s
Percentage of available AfriNIC address space announced: 24.5

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
4755 1546 384 75 Videsh Sanchar Nigam Ltd. Aut
9583 1126 108 16 Sify Limited
9498 1102 549 61 BHARTI BT INTERNET LTD.
17488 960 62 87 Hathway IP Over Cable Interne
4134 862 11761 310 CHINANET-BACKBONE
4766 839 5494 340 Korea Telecom (KIX)
23577 817 34 695 Korea Telecom (ATM-MPLS)
18101 608 121 60 Reliance Infocom Ltd Internet
4780 594 309 45 Digital United Inc.
9829 592 449 11 BSNL National Internet Backbo
1221 544 1952 420 Telstra Pty Ltd
4812 531 934 86 China Telecom (Shanghai)
4808 530 821 125 CNCGROUP IP network: China169
4668 523 68 10 LG-EDS Systems Inc.
17676 506 10919 64 Softbank BB Corp.
7545 486 147 92 TPG Internet Pty Ltd
4802 469 128 150 Wantree Development
9443 437 121 71 Primus Telecommunications
17974 399 145 17 PT TELEKOMUNIKASI INDONESIA
7474 385 202 271 SingTel Optus Pty Ltd

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

ASN No of nets /20 equiv MaxAgg Description
7018 1465 6058 990 AT&T WorldNet Services
4323 1389 1010 364 Time Warner Telecom
2386 1361 668 831 AT&T Data Communications Serv
11492 1210 135 17 Cable One
6478 1100 331 121 AT&T Worldnet Services
18566 1040 296 10 Covad Communications
7011 1025 299 587 Citizens Utilities
174 970 6834 812 Cogent Communications
6197 970 713 503 BellSouth Network Solutions,
701 896 6559 690 UUNET Technologies, Inc.
19262 874 3219 151 Verizon Global Networks
20115 864 795 471 Charter Communications
22773 841 2139 58 Cox Communications, Inc.
3356 839 10910 413 Level 3 Communications, LLC
1239 793 2672 551 Sprint
209 748 3911 600 Qwest
5668 667 177 21 CenturyTel Internet Holdings,
6140 616 110 152 ImpSat
6517 609 150 41 Yipes Communications, Inc.
15270 604 161 56 PaeTec.net -a division of Pae

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

ASN No of nets /20 equiv MaxAgg Description
3292 403 1651 368 TDC Tele Danmark
3301 330 1458 301 TeliaNet Sweden
3320 318 6019 264 Deutsche Telekom AG
8452 288 188 7 TEDATA
8866 279 78 24 Bulgarian Telecommunication C
8551 278 267 41 Bezeq International
680 270 2046 255 DFN-IP service G-WiN
3215 270 2583 92 France Telecom Transpac
8708 270 420 241 Romania Data Systems S.A.
6746 269 128 247 Dynamic Network Technologies,
8220 250 422 227 COLT Telecommunications
3352 241 1948 40 Ibernet, Internet Access Netw
3269 231 3037 68 TELECOM ITALIA
5462 229 666 27 Telewest Broadband
9155 216 43 10 QualityNet AS number
3300 211 172 100 AUCS Communications Services
9121 209 1444 25 TTnet Autonomous System
29357 199 17 4 WATANIYA TELECOM
1257 197 1196 180 SWIPnet Swedish IP Network
2856 195 2307 162 BTnet UK Regional network

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

ASN No of nets /20 equiv MaxAgg Description
8151 1147 2390 215 UniNet S.A. de C.V.
11830 547 299 9 Instituto Costarricense de El
16814 427 27 10 NSS, S.A.
7303 421 205 54 Telecom Argentina Stet-France
11172 396 115 62 Servicios Alestra S.A de C.V
6471 385 85 39 ENTEL CHILE S.A.
10620 351 92 25 TVCABLE BOGOTA
14117 351 23 16 Telefonica del Sur S.A.
22047 322 254 13 VTR PUNTO NET S.A.
10481 301 120 10 Prima S.A.
6147 255 214 21 Telefonica Del Peru
7738 239 602 25 Telecomunicacoes da Bahia S.A
11556 236 128 4 Cable-Wireless Panama
20299 236 33 29 NEWCOM AMERICAS
23216 231 17 49 RAMtelecom Telecomunicaciones
28573 228 322 23 NET Servicos de Comunicao S.A
6503 220 180 85 AVANTEL, S.A.
10834 193 76 40 ADVANCE TELECOMUNICACIONES S.
19169 193 12 20 Telconet
21826 187 33 48 INTERCABLE

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

ASN No of nets /20 equiv MaxAgg Description
24863 408 60 31 LINKdotNET AS number
3741 279 869 225 The Internet Solution
20858 202 34 3 EgyNet
6713 145 135 11 Itissalat Al-MAGHRIB
2018 142 268 114 Tertiary Education Network
33783 127 9 20 EEPAD TISP TELECOM & INTERNET
5536 124 8 10 Internet Egypt Network
33776 99 6 7 Starcomms Nigeria Limited
15475 89 84 4 Nile Online
24835 88 48 6 RAYA Telecom - Egypt
29571 77 13 7 Ci Telecom Autonomous system
2905 76 174 73 The Internetworking Company o
23889 76 24 16 MAURITIUS TELECOM
20484 71 5 4 Yalla Online Autonomous Syste
15706 57 12 4 Sudatel Internet Exchange Aut
5713 50 455 40 Telkom SA Ltd
33774 50 37 28 AS Number for Telecom Algeria
16637 47 21 28 Johnnic e-Ventures
8524 33 2 8 AUCEGYPT Autonomous System
21152 32 2 1 AS for the uplinks of Soficom

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

ASN No of nets Net Savings Description
11492 1210 1193 Cable One
9583 1126 1110 Sify Limited
9498 1102 1041 BHARTI BT INTERNET LTD.
18566 1040 1030 Covad Communications
4323 1389 1025 Time Warner Telecom
6478 1100 979 AT&T Worldnet Services
8151 1147 932 UniNet S.A. de C.V.
17488 960 873 Hathway IP Over Cable Interne
22773 841 783 Cox Communications, Inc.
19262 874 723 Verizon Global Networks
5668 667 646 CenturyTel Internet Holdings,
9829 592 581 BSNL National Internet Backbo
6517 609 568 Yipes Communications, Inc.
4134 862 552 CHINANET-BACKBONE
4780 594 549 Digital United Inc.
18101 608 548 Reliance Infocom Ltd Internet
15270 604 548 PaeTec.net -a division of Pae
11830 547 538 Instituto Costarricense de El
2386 1361 530 AT&T Data Communications Serv
19916 563 521 OLM LLC

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

Bad AS Designation Network Transit AS Description
18506 UNALLOCATED 63.107.123.0/24 33286 Turlock Irrigation D
33526 UNALLOCATED 64.128.26.0/24 4323 Time Warner Telecom
21624 UNALLOCATED 65.163.176.0/24 701 UUNET Technologies,
65364 PRIVATE 190.144.163.0/24 14080 FIRSTCOM COLOMBIA
65389 PRIVATE 190.144.166.0/24 14080 FIRSTCOM COLOMBIA
65394 PRIVATE 190.144.167.0/24 14080 FIRSTCOM COLOMBIA
65403 PRIVATE 190.144.168.0/24 14080 FIRSTCOM COLOMBIA
65375 PRIVATE 190.144.175.0/24 14080 FIRSTCOM COLOMBIA
21624 UNALLOCATED 208.246.136.0/24 701 UUNET Technologies,
21624 UNALLOCATED 208.248.233.0/24 701 UUNET Technologies,

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

Network Origin AS Description
31.31.31.0/24 9730 The Best ISP to go Multimedia
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
173.173.173.0/24 9730 The Best ISP to go Multimedia
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 /11:40 /12:137
/13:275 /14:490 /15:973 /16:9746 /17:4214 /18:6946
/19:14889 /20:17106 /21:16196 /22:20423 /23:21532 /24:127846
/25:875 /26:1104 /27:558 /28:106 /29:9 /30:1
/31:0 /32:8

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

ASN No of nets Total ann. Description
11492 1200 1210 Cable One
6478 1099 1100 AT&T Worldnet Services
2386 1055 1361 AT&T Data Communications Serv
18566 1021 1040 Covad Communications
9583 962 1126 Sify Limited
7011 910 1025 Citizens Utilities
4755 906 1546 Videsh Sanchar Nigam Ltd. Aut
23577 808 817 Korea Telecom (ATM-MPLS)
7018 799 1465 AT&T WorldNet Services
17488 775 960 Hathway IP Over Cable Interne
9498 774 1102 BHARTI BT INTERNET LTD.
6197 729 970 BellSouth Network Solutions,
4766 622 839 Korea Telecom (KIX)
4323 594 1389 Time Warner Telecom
6517 572 609 Yipes Communications, Inc.
15270 563 604 PaeTec.net -a division of Pae
19916 558 563 OLM LLC
5668 524 667 CenturyTel Internet Holdings,
4668 513 523 LG-EDS Systems Inc.
18101 502 608 Reliance Infocom Ltd Internet

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

4:9 8:95 12:1944 13:2 15:21 16:3
17:6 18:14 20:35 24:1013 25:1 31:1
32:61 33:4 38:382 40:65 41:449 44:2
47:8 52:3 55:3 56:3 57:22 58:506
59:416 60:407 61:976 62:1058 63:1976 64:3337
65:2378 66:3609 67:1055 68:635 69:2087 70:467
71:102 72:1458 73:7 74:789 75:170 76:183
77:479 78:443 79:66 80:884 81:787 82:574
83:352 84:513 85:921 86:372 87:602 88:291
89:1085 90:41 91:924 92:67 93:18 96:3
97:7 98:30 114:1 115:1 116:488 117:243
118:61 119:92 121:405 122:673 123:264 124:773
125:1068 128:309 129:199 130:125 131:392 132:68
133:9 134:187 135:31 136:215 137:97 138:156
139:82 140:497 141:106 142:378 143:265 144:322
145:51 146:331 147:128 148:480 149:188 150:116
151:132 152:95 153:127 154:11 155:281 156:197
157:249 158:164 159:212 160:213 161:96 162:199
163:186 164:562 165:419 166:291 167:311 168:572
169:132 170:435 171:28 172:3 173:1 189:142
190:1342 192:5751 193:4067 194:3249 195:2319 196:955
198:3807 199:3212 200:5442 201:1285 202:7546 203:7896
204:3961 205:2051 206:2418 207:2745 208:3104 209:3611
210:2651 211:1137 212:1292 213:1618 214:444 215:46
216:4126 217:1233 218:331 219:405 220:1013 221:411
222:298

End of report

cscora at apnic

Jan 25, 2008, 10:06 AM

Post #41 of 149 (8151 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 Jan, 2008

Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/

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

BGP routing table entries examined: 243794
Prefixes after maximum aggregation: 124576
Deaggregation factor: 1.96
Unique aggregates announced to Internet: 119269
Total ASes present in the Internet Routing Table: 27200
Prefixes per ASN: 8.96
Origin-only ASes present in the Internet Routing Table: 23719
Origin ASes announcing only one prefix: 11517
Transit ASes present in the Internet Routing Table: 3481
Transit-only ASes present in the Internet Routing Table: 68
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 18
Max AS path prepend of ASN (29642) 15
Prefixes from unregistered ASNs in the Routing Table: 22
Unregistered ASNs in the Routing Table: 12
Prefixes from 32-bit ASNs in the Routing Table: 9
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1822105376
Equivalent to 108 /8s, 155 /16s and 31 /24s
Percentage of available address space announced: 49.2
Percentage of allocated address space announced: 62.9
Percentage of available address space allocated: 78.2
Total number of prefixes smaller than registry allocations: 114971

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

Prefixes being announced by APNIC Region ASes: 55917
Total APNIC prefixes after maximum aggregation: 21083
APNIC Deaggregation factor: 2.65
Prefixes being announced from the APNIC address blocks: 53423
Unique aggregates announced from the APNIC address blocks: 23898
APNIC Region origin ASes present in the Internet Routing Table: 3111
APNIC Prefixes per ASN: 17.17
APNIC Region origin ASes announcing only one prefix: 812
APNIC Region transit ASes present in the Internet Routing Table: 466
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 326665632
Equivalent to 19 /8s, 120 /16s and 133 /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, 114/7, 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: 114924
Total ARIN prefixes after maximum aggregation: 65330
ARIN Deaggregation factor: 1.76
Prefixes being announced from the ARIN address blocks: 83810
Unique aggregates announced from the ARIN address blocks: 33376
ARIN Region origin ASes present in the Internet Routing Table: 12093
ARIN Prefixes per ASN: 6.93
ARIN Region origin ASes announcing only one prefix: 4664
ARIN Region transit ASes present in the Internet Routing Table: 1144
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 358115712
Equivalent to 21 /8s, 88 /16s and 105 /24s
Percentage of available ARIN address space announced: 79.1

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: 51160
Total RIPE prefixes after maximum aggregation: 32412
RIPE Deaggregation factor: 1.58
Prefixes being announced from the RIPE address blocks: 48451
Unique aggregates announced from the RIPE address blocks: 32314
RIPE Region origin ASes present in the Internet Routing Table: 10810
RIPE Prefixes per ASN: 4.48
RIPE Region origin ASes announcing only one prefix: 5683
RIPE Region transit ASes present in the Internet Routing Table: 1648
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 340946688
Equivalent to 20 /8s, 82 /16s and 111 /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
40960-45055
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: 18403
Total LACNIC prefixes after maximum aggregation: 4632
LACNIC Deaggregation factor: 3.97
Prefixes being announced from the LACNIC address blocks: 16596
Unique aggregates announced from the LACNIC address blocks: 9066
LACNIC Region origin ASes present in the Internet Routing Table: 897
LACNIC Prefixes per ASN: 18.50
LACNIC Region origin ASes announcing only one prefix: 290
LACNIC Region transit ASes present in the Internet Routing Table: 150
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 47317568
Equivalent to 2 /8s, 210 /16s and 2 /24s
Percentage of available LACNIC address space announced: 47.0

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: 3375
Total AfriNIC prefixes after maximum aggregation: 1101
AfriNIC Deaggregation factor: 3.07
Prefixes being announced from the AfriNIC address blocks: 2543
Unique aggregates announced from the AfriNIC address blocks: 1445
AfriNIC Region origin ASes present in the Internet Routing Table: 220
AfriNIC Prefixes per ASN: 11.56
AfriNIC Region origin ASes announcing only one prefix: 68
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: 14
Number of AfriNIC addresses announced to Internet: 8256000
Equivalent to 0 /8s, 125 /16s and 250 /24s
Percentage of available AfriNIC address space announced: 24.6

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
4755 1550 384 74 Videsh Sanchar Nigam Ltd. Aut
9583 1120 83 439 Sify Limited
9498 1110 549 61 BHARTI BT INTERNET LTD.
17488 961 62 87 Hathway IP Over Cable Interne
4134 863 11761 311 CHINANET-BACKBONE
4766 841 5494 340 Korea Telecom (KIX)
23577 817 34 696 Korea Telecom (ATM-MPLS)
18101 609 128 65 Reliance Infocom Ltd Internet
4780 596 309 46 Digital United Inc.
9829 584 449 11 BSNL National Internet Backbo
4812 546 938 84 China Telecom (Shanghai)
1221 545 1952 420 Telstra Pty Ltd
4808 530 821 125 CNCGROUP IP network: China169
4668 523 68 10 LG-EDS Systems Inc.
17676 506 10919 64 Softbank BB Corp.
7545 497 147 94 TPG Internet Pty Ltd
4802 470 128 151 Wantree Development
9443 437 121 71 Primus Telecommunications
17974 402 145 17 PT TELEKOMUNIKASI INDONESIA
7474 385 202 271 SingTel Optus Pty Ltd

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

ASN No of nets /20 equiv MaxAgg Description
7018 1461 6073 989 AT&T WorldNet Services
4323 1384 1012 366 Time Warner Telecom
2386 1346 633 827 AT&T Data Communications Serv
11492 1210 135 17 Cable One
6478 1101 331 121 AT&T Worldnet Services
18566 1041 296 10 Covad Communications
6197 1033 739 510 BellSouth Network Solutions,
7011 1030 300 592 Citizens Utilities
174 971 6834 813 Cogent Communications
701 900 6560 690 UUNET Technologies, Inc.
19262 877 3227 149 Verizon Global Networks
20115 866 797 471 Charter Communications
22773 844 2139 58 Cox Communications, Inc.
3356 840 10909 413 Level 3 Communications, LLC
1239 794 2672 553 Sprint
209 744 3910 596 Qwest
5668 668 177 21 CenturyTel Internet Holdings,
15270 635 193 55 PaeTec.net -a division of Pae
6517 619 151 42 Yipes Communications, Inc.
6140 606 110 155 ImpSat

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

ASN No of nets /20 equiv MaxAgg Description
3292 394 1650 359 TDC Tele Danmark
3301 330 1458 301 TeliaNet Sweden
3320 319 6019 265 Deutsche Telekom AG
8452 295 188 7 TEDATA
8866 282 78 24 Bulgarian Telecommunication C
8551 279 267 42 Bezeq International
8708 272 420 240 Romania Data Systems S.A.
680 271 2046 256 DFN-IP service G-WiN
3215 270 2583 92 France Telecom Transpac
6746 270 128 248 Dynamic Network Technologies,
8220 253 422 227 COLT Telecommunications
3352 241 1948 40 Ibernet, Internet Access Netw
3269 233 3085 70 TELECOM ITALIA
5462 229 666 27 Telewest Broadband
9155 214 45 10 QualityNet AS number
3300 211 172 100 AUCS Communications Services
9121 207 1444 25 TTnet Autonomous System
1257 199 1196 182 SWIPnet Swedish IP Network
29357 199 17 4 WATANIYA TELECOM
2856 195 2307 162 BTnet UK Regional network

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

ASN No of nets /20 equiv MaxAgg Description
8151 1150 2390 218 UniNet S.A. de C.V.
11830 547 299 9 Instituto Costarricense de El
7303 427 208 54 Telecom Argentina Stet-France
16814 427 27 10 NSS, S.A.
11172 396 115 62 Servicios Alestra S.A de C.V
6471 394 85 39 ENTEL CHILE S.A.
10620 352 92 26 TVCABLE BOGOTA
14117 351 23 16 Telefonica del Sur S.A.
22047 322 254 13 VTR PUNTO NET S.A.
10481 301 120 10 Prima S.A.
6147 257 214 21 Telefonica Del Peru
7738 244 602 25 Telecomunicacoes da Bahia S.A
11556 237 128 5 Cable-Wireless Panama
23216 232 17 49 RAMtelecom Telecomunicaciones
28573 230 322 24 NET Servicos de Comunicao S.A
20299 227 33 30 NEWCOM AMERICAS
6503 219 180 85 AVANTEL, S.A.
10834 194 76 41 ADVANCE TELECOMUNICACIONES S.
19169 191 12 20 Telconet
21826 187 33 48 INTERCABLE

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

ASN No of nets /20 equiv MaxAgg Description
24863 408 60 30 LINKdotNET AS number
3741 279 869 225 The Internet Solution
20858 202 34 3 EgyNet
6713 145 135 11 Itissalat Al-MAGHRIB
2018 142 268 114 Tertiary Education Network
33783 129 9 15 EEPAD TISP TELECOM & INTERNET
5536 124 8 10 Internet Egypt Network
33776 99 6 7 Starcomms Nigeria Limited
15475 93 84 4 Nile Online
24835 88 48 6 RAYA Telecom - Egypt
23889 78 24 16 MAURITIUS TELECOM
29571 77 13 7 Ci Telecom Autonomous system
2905 76 174 73 The Internetworking Company o
20484 71 5 4 Yalla Online Autonomous Syste
15706 58 12 4 Sudatel Internet Exchange Aut
5713 51 455 41 Telkom SA Ltd
33774 51 37 28 AS Number for Telecom Algeria
16637 47 21 28 Johnnic e-Ventures
8524 33 2 8 AUCEGYPT Autonomous System
21152 32 2 1 AS for the uplinks of Soficom

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

ASN No of nets Net Savings Description
11492 1210 1193 Cable One
9498 1110 1049 BHARTI BT INTERNET LTD.
18566 1041 1031 Covad Communications
4323 1384 1018 Time Warner Telecom
6478 1101 980 AT&T Worldnet Services
8151 1150 932 UniNet S.A. de C.V.
17488 961 874 Hathway IP Over Cable Interne
22773 844 786 Cox Communications, Inc.
19262 877 728 Verizon Global Networks
9583 1120 681 Sify Limited
5668 668 647 CenturyTel Internet Holdings,
15270 635 580 PaeTec.net -a division of Pae
6517 619 577 Yipes Communications, Inc.
9829 584 573 BSNL National Internet Backbo
4134 863 552 CHINANET-BACKBONE
4780 596 550 Digital United Inc.
18101 609 544 Reliance Infocom Ltd Internet
11830 547 538 Instituto Costarricense de El
6197 1033 523 BellSouth Network Solutions,
19916 563 521 OLM LLC

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

Bad AS Designation Network Transit AS Description
15190 UNALLOCATED 63.98.176.0/24 701 UUNET Technologies,
18506 UNALLOCATED 63.107.123.0/24 33286 Turlock Irrigation D
14699 UNALLOCATED 63.238.252.0/24 30517 Great Lakes Comnet,
14699 UNALLOCATED 63.238.253.0/24 30517 Great Lakes Comnet,
14699 UNALLOCATED 64.85.144.0/22 30517 Great Lakes Comnet,
33526 UNALLOCATED 64.128.26.0/24 4323 Time Warner Telecom
14699 UNALLOCATED 65.112.79.0/24 30517 Great Lakes Comnet,
21624 UNALLOCATED 65.163.176.0/24 701 UUNET Technologies,
14699 UNALLOCATED 72.35.42.0/24 30517 Great Lakes Comnet,
14699 UNALLOCATED 72.35.43.0/24 30517 Great Lakes Comnet,
14699 UNALLOCATED 72.35.44.0/22 30517 Great Lakes Comnet,
14699 UNALLOCATED 72.35.60.0/24 30517 Great Lakes Comnet,
65364 PRIVATE 190.144.163.0/24 14080 FIRSTCOM COLOMBIA
65389 PRIVATE 190.144.166.0/24 14080 FIRSTCOM COLOMBIA
65394 PRIVATE 190.144.167.0/24 14080 FIRSTCOM COLOMBIA
65403 PRIVATE 190.144.168.0/24 14080 FIRSTCOM COLOMBIA
65375 PRIVATE 190.144.175.0/24 14080 FIRSTCOM COLOMBIA
14699 UNALLOCATED 208.25.96.0/24 30517 Great Lakes Comnet,
14699 UNALLOCATED 208.25.97.0/24 30517 Great Lakes Comnet,
21624 UNALLOCATED 208.246.136.0/24 701 UUNET Technologies,
21624 UNALLOCATED 208.248.233.0/24 701 UUNET Technologies,
14699 UNALLOCATED 209.165.242.0/23 30517 Great Lakes Comnet,

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

Network Origin AS Description
31.31.31.0/24 9730 The Best ISP to go Multimedia
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
173.173.173.0/24 9730 The Best ISP to go Multimedia
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 /11:39 /12:136
/13:275 /14:490 /15:974 /16:9750 /17:4218 /18:6957
/19:14934 /20:17118 /21:16251 /22:20453 /23:21579 /24:127936
/25:874 /26:1095 /27:552 /28:102 /29:9 /30:1
/31:0 /32:8

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

ASN No of nets Total ann. Description
11492 1200 1210 Cable One
6478 1100 1101 AT&T Worldnet Services
2386 1047 1346 AT&T Data Communications Serv
18566 1022 1041 Covad Communications
9583 965 1120 Sify Limited
7011 914 1030 Citizens Utilities
4755 911 1550 Videsh Sanchar Nigam Ltd. Aut
23577 808 817 Korea Telecom (ATM-MPLS)
7018 800 1461 AT&T WorldNet Services
9498 782 1110 BHARTI BT INTERNET LTD.
6197 776 1033 BellSouth Network Solutions,
17488 776 961 Hathway IP Over Cable Interne
4766 624 841 Korea Telecom (KIX)
4323 587 1384 Time Warner Telecom
15270 587 635 PaeTec.net -a division of Pae
6517 582 619 Yipes Communications, Inc.
19916 558 563 OLM LLC
5668 524 668 CenturyTel Internet Holdings,
4668 513 523 LG-EDS Systems Inc.
18101 496 609 Reliance Infocom Ltd Internet

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

4:9 8:98 12:1953 13:2 15:21 16:3
17:6 18:14 20:35 22:1 24:1012 25:1
31:1 32:61 33:4 38:386 40:65 41:467
44:2 47:8 52:3 55:3 56:3 57:22
58:508 59:419 60:408 61:982 62:1056 63:1969
64:3364 65:2368 66:3624 67:1058 68:636 69:2090
70:471 71:102 72:1462 73:7 74:801 75:171
76:186 77:484 78:460 79:70 80:885 81:792
82:582 83:350 84:525 85:949 86:375 87:611
88:287 89:1095 90:42 91:945 92:72 93:54
96:2 97:7 98:36 114:1 115:1 116:494
117:247 118:62 119:98 121:408 122:664 123:265
124:779 125:1071 128:309 129:199 130:130 131:393
132:68 133:9 134:188 135:36 136:216 137:97
138:156 139:81 140:495 141:106 142:377 143:266
144:322 145:51 146:334 147:130 148:485 149:178
150:118 151:139 152:94 153:130 154:11 155:284
156:198 157:250 158:164 159:215 160:212 161:96
162:198 163:185 164:560 165:417 166:292 167:308
168:564 169:132 170:430 171:28 172:3 173:1
189:143 190:1312 192:5754 193:4083 194:3241 195:2314
196:961 198:3787 199:3192 200:5431 201:1273 202:7508
203:7919 204:3971 205:2062 206:2432 207:2739 208:3118
209:3636 210:2636 211:1023 212:1287 213:1588 214:444
215:47 216:4136 217:1216 218:336 219:398 220:1006
221:413 222:300

End of report

cscora at apnic

Feb 1, 2008, 10:07 AM

Post #42 of 149 (8115 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 Feb, 2008

Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/

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

BGP routing table entries examined: 243583
Prefixes after maximum aggregation: 124880
Deaggregation factor: 1.95
Unique aggregates announced to Internet: 119568
Total ASes present in the Internet Routing Table: 27234
Prefixes per ASN: 8.94
Origin-only ASes present in the Internet Routing Table: 23738
Origin ASes announcing only one prefix: 11535
Transit ASes present in the Internet Routing Table: 3496
Transit-only ASes present in the Internet Routing Table: 69
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 19
Max AS path prepend of ASN (29642) 15
Prefixes from unregistered ASNs in the Routing Table: 37
Unregistered ASNs in the Routing Table: 14
Number of 32-bit ASNs allocated by the RIRs: 46
Prefixes from 32-bit ASNs in the Routing Table: 10
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 870
Number of addresses announced to Internet: 1825248736
Equivalent to 108 /8s, 203 /16s and 21 /24s
Percentage of available address space announced: 49.2
Percentage of allocated address space announced: 61.1
Percentage of available address space allocated: 80.5
Percentage of address space in use by end-sites: 69.9
Total number of prefixes smaller than registry allocations: 114737

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

Prefixes being announced by APNIC Region ASes: 55577
Total APNIC prefixes after maximum aggregation: 21145
APNIC Deaggregation factor: 2.63
Prefixes being announced from the APNIC address blocks: 53070
Unique aggregates announced from the APNIC address blocks: 23817
APNIC Region origin ASes present in the Internet Routing Table: 3112
APNIC Prefixes per ASN: 17.05
APNIC Region origin ASes announcing only one prefix: 818
APNIC Region transit ASes present in the Internet Routing Table: 463
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 327917984
Equivalent to 19 /8s, 139 /16s and 161 /24s
Percentage of available APNIC address space announced: 75.2

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 114/8, 115/8, 116/8,
117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8,
124/8, 125/8, 126/8, 202/8, 203/8, 210/8, 211/8,
218/8, 219/8, 220/8, 221/8, 222/8,

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

Prefixes being announced by ARIN Region ASes: 114927
Total ARIN prefixes after maximum aggregation: 65329
ARIN Deaggregation factor: 1.76
Prefixes being announced from the ARIN address blocks: 83837
Unique aggregates announced from the ARIN address blocks: 33406
ARIN Region origin ASes present in the Internet Routing Table: 12107
ARIN Prefixes per ASN: 6.92
ARIN Region origin ASes announcing only one prefix: 4669
ARIN Region transit ASes present in the Internet Routing Table: 1150
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 356357248
Equivalent to 21 /8s, 61 /16s and 148 /24s
Percentage of available ARIN address space announced: 78.7

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, 64/8, 65/8, 66/8, 67/8, 68/8,
69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8,
76/8, 96/8, 97/8, 98/8, 99/8, 199/8, 204/8,
205/8, 206/8, 207/8, 208/8, 209/8, 216/8,

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

Prefixes being announced by RIPE Region ASes: 51395
Total RIPE prefixes after maximum aggregation: 32577
RIPE Deaggregation factor: 1.58
Prefixes being announced from the RIPE address blocks: 46737
Unique aggregates announced from the RIPE address blocks: 31450
RIPE Region origin ASes present in the Internet Routing Table: 10829
RIPE Prefixes per ASN: 4.32
RIPE Region origin ASes announcing only one prefix: 5686
RIPE Region transit ASes present in the Internet Routing Table: 1661
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 339381504
Equivalent to 20 /8s, 58 /16s and 141 /24s
Percentage of available RIPE address space announced: 77.8

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
40960-45055
RIPE Address Blocks 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 18505
Total LACNIC prefixes after maximum aggregation: 4650
LACNIC Deaggregation factor: 3.98
Prefixes being announced from the LACNIC address blocks: 16898
Unique aggregates announced from the LACNIC address blocks: 9215
LACNIC Region origin ASes present in the Internet Routing Table: 898
LACNIC Prefixes per ASN: 18.82
LACNIC Region origin ASes announcing only one prefix: 295
LACNIC Region transit ASes present in the Internet Routing Table: 151
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 48028928
Equivalent to 2 /8s, 220 /16s and 221 /24s
Percentage of available LACNIC address space announced: 47.7

LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 186/8, 187/8, 189/8, 190/8, 200/8, 201/8,

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

Prefixes being announced by AfriNIC Region ASes: 3148
Total AfriNIC prefixes after maximum aggregation: 1159
AfriNIC Deaggregation factor: 2.72
Prefixes being announced from the AfriNIC address blocks: 3450
Unique aggregates announced from the AfriNIC address blocks: 1707
AfriNIC Region origin ASes present in the Internet Routing Table: 218
AfriNIC Prefixes per ASN: 15.83
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: 4.1
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 9763328
Equivalent to 0 /8s, 148 /16s and 250 /24s
Percentage of available AfriNIC address space announced: 29.1

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 1558 384 75 Videsh Sanchar Nigam Ltd. Aut
9498 1147 533 60 BHARTI BT INTERNET LTD.
9583 1116 82 435 Sify Limited
17488 961 62 87 Hathway IP Over Cable Interne
4134 861 11849 310 CHINANET-BACKBONE
4766 843 5495 342 Korea Telecom (KIX)
23577 815 34 694 Korea Telecom (ATM-MPLS)
9829 570 449 11 BSNL National Internet Backbo
4812 549 940 84 China Telecom (Shanghai)
1221 547 1952 422 Telstra Pty Ltd

Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC

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

ASN No of nets /20 equiv MaxAgg Description
7018 1436 6020 982 AT&T WorldNet Services
4323 1386 1012 366 Time Warner Telecom
2386 1354 634 832 AT&T Data Communications Serv
11492 1216 136 19 Cable One
18566 1041 296 10 Covad Communications
7011 1035 301 597 Citizens Utilities
6197 1034 739 512 BellSouth Network Solutions,
174 970 6834 811 Cogent Communications
6478 909 234 104 AT&T Worldnet Services
701 895 6575 686 UUNET Technologies, Inc.

Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN

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

ASN No of nets /20 equiv MaxAgg Description
3292 395 1650 358 TDC Tele Danmark
3301 332 1458 303 TeliaNet Sweden
3320 322 6020 267 Deutsche Telekom AG
8866 280 78 24 Bulgarian Telecommunication C
8551 279 267 42 Bezeq International
680 275 2046 256 DFN-IP service G-WiN
8708 272 420 242 Romania Data Systems S.A.
3215 271 2591 93 France Telecom Transpac
6746 271 128 249 Dynamic Network Technologies,
8220 250 422 226 COLT Telecommunications

Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE

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

ASN No of nets /20 equiv MaxAgg Description
8151 1165 2421 213 UniNet S.A. de C.V.
11830 547 299 9 Instituto Costarricense de El
7303 436 212 59 Telecom Argentina Stet-France
16814 428 27 11 NSS, S.A.
6471 394 85 39 ENTEL CHILE S.A.
11172 394 115 62 Servicios Alestra S.A de C.V
10620 352 92 26 TVCABLE BOGOTA
14117 351 23 16 Telefonica del Sur S.A.
22047 323 270 14 VTR PUNTO NET S.A.
10481 301 120 10 Prima S.A.

Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC

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

ASN No of nets /20 equiv MaxAgg Description
24863 337 52 84 LINKdotNET AS number
3741 279 869 225 The Internet Solution
6713 143 135 11 Itissalat Al-MAGHRIB
24835 143 48 7 RAYA Telecom - Egypt
2018 142 268 114 Tertiary Education Network
33783 129 9 15 EEPAD TISP TELECOM & INTERNET
5536 124 8 10 Internet Egypt Network
15475 101 84 4 Nile Online
33776 99 6 7 Starcomms Nigeria Limited
23889 78 24 16 MAURITIUS TELECOM

Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
4755 1558 384 75 Videsh Sanchar Nigam Ltd. Aut
7018 1436 6020 982 AT&T WorldNet Services
4323 1386 1012 366 Time Warner Telecom
2386 1354 634 832 AT&T Data Communications Serv
11492 1216 136 19 Cable One
8151 1165 2421 213 UniNet S.A. de C.V.
9498 1147 533 60 BHARTI BT INTERNET LTD.
9583 1116 82 435 Sify Limited
18566 1041 296 10 Covad Communications
7011 1035 301 597 Citizens Utilities

Complete listing at http://thyme.apnic.net/current/data-ASnet

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

ASN No of nets Net Savings Description
11492 1216 1197 Cable One
9498 1147 1087 BHARTI BT INTERNET LTD.
18566 1041 1031 Covad Communications
4323 1386 1020 Time Warner Telecom
8151 1165 952 UniNet S.A. de C.V.
17488 961 874 Hathway IP Over Cable Interne
6478 909 805 AT&T Worldnet Services
22773 845 787 Cox Communications, Inc.
19262 878 728 Verizon Global Networks
9583 1116 681 Sify Limited

Complete listing at http://thyme.apnic.net/current/data-CIDRnet

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

Bad AS Designation Network Transit AS Description
15190 UNALLOCATED 63.98.176.0/24 701 UUNET Technologies,
18506 UNALLOCATED 63.107.123.0/24 33286 Turlock Irrigation D
14699 UNALLOCATED 63.238.252.0/24 30517 Great Lakes Comnet,
14699 UNALLOCATED 63.238.253.0/24 30517 Great Lakes Comnet,
14699 UNALLOCATED 64.85.144.0/22 30517 Great Lakes Comnet,
33526 UNALLOCATED 64.128.26.0/24 4323 Time Warner Telecom
14699 UNALLOCATED 65.112.79.0/24 30517 Great Lakes Comnet,
21624 UNALLOCATED 65.163.176.0/24 701 UUNET Technologies,
14699 UNALLOCATED 72.35.42.0/24 30517 Great Lakes Comnet,
14699 UNALLOCATED 72.35.43.0/24 30517 Great Lakes Comnet,

Complete listing at http://thyme.apnic.net/current/data-badAS

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

Network Origin AS Description
24.48.10.0/23 19548 Adelphia Business Solutions
24.48.12.0/22 19548 Adelphia Business Solutions
24.48.80.0/21 19548 Adelphia Business Solutions
24.49.32.0/22 19548 Adelphia Business Solutions
24.54.224.0/19 19548 Adelphia Business Solutions
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
60.253.0.0/18 27572 Connexion by Boeing

Complete listing at http://thyme.apnic.net/current/data-add-IANA

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 /11:39 /12:137
/13:277 /14:491 /15:976 /16:9749 /17:4219 /18:7037
/19:14993 /20:17152 /21:16168 /22:20452 /23:21553 /24:127654
/25:873 /26:1095 /27:561 /28:96 /29:9 /30:1
/31:0 /32:8

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

ASN No of nets Total ann. Description
11492 1205 1216 Cable One
2386 1054 1354 AT&T Data Communications Serv
18566 1022 1041 Covad Communications
9583 963 1116 Sify Limited
4755 919 1558 Videsh Sanchar Nigam Ltd. Aut
7011 919 1035 Citizens Utilities
6478 908 909 AT&T Worldnet Services
9498 822 1147 BHARTI BT INTERNET LTD.
23577 806 815 Korea Telecom (ATM-MPLS)
7018 786 1436 AT&T WorldNet Services

Complete listing at http://thyme.apnic.net/current/data/sXXas-nos

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

4:9 8:98 12:1954 13:2 15:21 16:3
17:6 18:13 20:35 22:1 24:1017 25:1
31:1 32:61 33:4 38:383 40:65 41:444
44:2 47:8 52:3 55:3 56:3 57:22
58:511 59:416 60:407 61:981 62:1025 63:1976
64:3362 65:2359 66:3626 67:1063 68:638 69:2081
70:469 71:107 72:1489 73:7 74:805 75:170
76:205 77:525 78:408 79:72 80:868 81:789
82:607 83:346 84:445 85:1021 86:385 87:633
88:311 89:1100 90:43 91:972 92:108 93:54
95:1 96:8 97:9 98:38 114:1 115:1
116:498 117:239 118:69 119:109 121:416 122:667
123:285 124:777 125:1108 128:308 129:198 130:133
131:389 132:68 133:9 134:188 135:37 136:217
137:85 138:156 139:63 140:497 141:107 142:378
143:263 144:282 145:51 146:336 147:132 148:485
149:178 150:121 151:139 152:95 153:130 154:11
155:286 156:198 157:250 158:163 159:216 160:219
161:102 162:199 163:190 164:558 165:419 166:295
167:309 168:564 169:131 170:432 171:28 172:3
173:1 189:149 190:1356 192:5761 193:4097 194:3252
195:2316 196:936 198:3786 199:3209 200:5436 201:1275
202:7390 203:7744 204:3968 205:2064 206:2420 207:2734
208:3131 209:3621 210:2524 211:1020 212:1281 213:1587
214:439 215:41 216:4124 217:1181 218:337 219:401
220:970 221:408 222:308

End of report

cscora at apnic

Feb 8, 2008, 10:09 AM

Post #43 of 149 (8107 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 Feb, 2008

Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/

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

BGP routing table entries examined: 245014
Prefixes after maximum aggregation: 125074
Deaggregation factor: 1.96
Unique aggregates announced to Internet: 119835
Total ASes present in the Internet Routing Table: 27319
Prefixes per ASN: 8.97
Origin-only ASes present in the Internet Routing Table: 23819
Origin ASes announcing only one prefix: 11581
Transit ASes present in the Internet Routing Table: 3500
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: 24
Max AS path prepend of ASN (31609) 21
Prefixes from unregistered ASNs in the Routing Table: 40
Unregistered ASNs in the Routing Table: 15
Number of 32-bit ASNs allocated by the RIRs: 46
Prefixes from 32-bit ASNs in the Routing Table: 9
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 872
Number of addresses announced to Internet: 1828805344
Equivalent to 109 /8s, 1 /16s and 90 /24s
Percentage of available address space announced: 49.3
Percentage of allocated address space announced: 61.3
Percentage of available address space allocated: 80.5
Percentage of address space in use by end-sites: 70.0
Total number of prefixes smaller than registry allocations: 115802

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

Prefixes being announced by APNIC Region ASes: 56179
Total APNIC prefixes after maximum aggregation: 21117
APNIC Deaggregation factor: 2.66
Prefixes being announced from the APNIC address blocks: 53680
Unique aggregates announced from the APNIC address blocks: 23760
APNIC Region origin ASes present in the Internet Routing Table: 3119
APNIC Prefixes per ASN: 17.21
APNIC Region origin ASes announcing only one prefix: 823
APNIC Region transit ASes present in the Internet Routing Table: 470
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 329179296
Equivalent to 19 /8s, 158 /16s and 224 /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, 45056-46079
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 114/8, 115/8, 116/8,
117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8,
124/8, 125/8, 126/8, 202/8, 203/8, 210/8, 211/8,
218/8, 219/8, 220/8, 221/8, 222/8,

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

Prefixes being announced by ARIN Region ASes: 115208
Total ARIN prefixes after maximum aggregation: 65527
ARIN Deaggregation factor: 1.76
Prefixes being announced from the ARIN address blocks: 84084
Unique aggregates announced from the ARIN address blocks: 33462
ARIN Region origin ASes present in the Internet Routing Table: 12125
ARIN Prefixes per ASN: 6.93
ARIN Region origin ASes announcing only one prefix: 4684
ARIN Region transit ASes present in the Internet Routing Table: 1146
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 356776320
Equivalent to 21 /8s, 67 /16s and 249 /24s
Percentage of available ARIN address space announced: 78.8

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, 64/8, 65/8, 66/8, 67/8, 68/8,
69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8,
76/8, 96/8, 97/8, 98/8, 99/8, 199/8, 204/8,
205/8, 206/8, 207/8, 208/8, 209/8, 216/8,

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

Prefixes being announced by RIPE Region ASes: 51860
Total RIPE prefixes after maximum aggregation: 32618
RIPE Deaggregation factor: 1.59
Prefixes being announced from the RIPE address blocks: 47058
Unique aggregates announced from the RIPE address blocks: 31591
RIPE Region origin ASes present in the Internet Routing Table: 10876
RIPE Prefixes per ASN: 4.33
RIPE Region origin ASes announcing only one prefix: 5704
RIPE Region transit ASes present in the Internet Routing Table: 1661
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 340444928
Equivalent to 20 /8s, 74 /16s and 199 /24s
Percentage of available RIPE address space announced: 78.0

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
40960-45055
RIPE Address Blocks 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 18567
Total LACNIC prefixes after maximum aggregation: 4689
LACNIC Deaggregation factor: 3.96
Prefixes being announced from the LACNIC address blocks: 16941
Unique aggregates announced from the LACNIC address blocks: 9256
LACNIC Region origin ASes present in the Internet Routing Table: 898
LACNIC Prefixes per ASN: 18.87
LACNIC Region origin ASes announcing only one prefix: 295
LACNIC Region transit ASes present in the Internet Routing Table: 150
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 48076288
Equivalent to 2 /8s, 221 /16s and 150 /24s
Percentage of available LACNIC address space announced: 47.8

LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 186/8, 187/8, 189/8, 190/8, 200/8, 201/8,

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

Prefixes being announced by AfriNIC Region ASes: 3170
Total AfriNIC prefixes after maximum aggregation: 1105
AfriNIC Deaggregation factor: 2.87
Prefixes being announced from the AfriNIC address blocks: 3558
Unique aggregates announced from the AfriNIC address blocks: 1770
AfriNIC Region origin ASes present in the Internet Routing Table: 225
AfriNIC Prefixes per ASN: 15.81
AfriNIC Region origin ASes announcing only one prefix: 75
AfriNIC Region transit ASes present in the Internet Routing Table: 40
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 9980928
Equivalent to 0 /8s, 152 /16s and 76 /24s
Percentage of available AfriNIC address space announced: 29.7

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
4755 1572 385 78 Videsh Sanchar Nigam Ltd. Aut
9498 1153 549 61 BHARTI BT INTERNET LTD.
9583 1124 83 438 Sify Limited
17488 964 60 86 Hathway IP Over Cable Interne
4134 863 11881 311 CHINANET-BACKBONE
4766 849 5495 342 Korea Telecom (KIX)
23577 817 34 695 Korea Telecom (ATM-MPLS)
18101 688 128 65 Reliance Infocom Ltd Internet
9829 592 449 11 BSNL National Internet Backbo
1221 553 1953 427 Telstra Pty Ltd

Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC

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

ASN No of nets /20 equiv MaxAgg Description
7018 1419 6003 988 AT&T WorldNet Services
4323 1388 1012 366 Time Warner Telecom
2386 1360 634 834 AT&T Data Communications Serv
11492 1212 137 14 Cable One
7011 1050 304 605 Citizens Utilities
18566 1041 296 10 Covad Communications
6197 1034 754 511 BellSouth Network Solutions,
174 976 6835 815 Cogent Communications
6478 911 235 106 AT&T Worldnet Services
701 894 6575 684 UUNET Technologies, Inc.

Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN

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

ASN No of nets /20 equiv MaxAgg Description
3292 397 1778 360 TDC Tele Danmark
8452 358 188 7 TEDATA
3301 332 1458 303 TeliaNet Sweden
3320 325 6022 269 Deutsche Telekom AG
8866 281 78 24 Bulgarian Telecommunication C
8551 279 267 42 Bezeq International
680 275 2046 256 DFN-IP service G-WiN
8708 272 420 242 Romania Data Systems S.A.
3215 271 2591 93 France Telecom Transpac
6746 268 128 246 Dynamic Network Technologies,

Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE

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

ASN No of nets /20 equiv MaxAgg Description
8151 1163 2422 217 UniNet S.A. de C.V.
11830 555 299 9 Instituto Costarricense de El
7303 438 213 59 Telecom Argentina Stet-France
16814 428 27 11 NSS, S.A.
11172 395 115 63 Servicios Alestra S.A de C.V
6471 394 85 39 ENTEL CHILE S.A.
10620 358 94 32 TVCABLE BOGOTA
14117 351 23 16 Telefonica del Sur S.A.
22047 323 270 14 VTR PUNTO NET S.A.
10481 301 120 10 Prima S.A.

Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC

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

ASN No of nets /20 equiv MaxAgg Description
24863 422 60 30 LINKdotNET AS number
3741 283 869 225 The Internet Solution
2018 146 268 115 Tertiary Education Network
6713 143 135 11 Itissalat Al-MAGHRIB
33783 129 9 15 EEPAD TISP TELECOM & INTERNET
5536 120 8 16 Internet Egypt Network
33776 99 6 7 Starcomms Nigeria Limited
20858 96 34 3 EgyNet
29571 80 13 7 Ci Telecom Autonomous system
2905 78 176 74 The Internetworking Company o

Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
4755 1572 385 78 Videsh Sanchar Nigam Ltd. Aut
7018 1419 6003 988 AT&T WorldNet Services
4323 1388 1012 366 Time Warner Telecom
2386 1360 634 834 AT&T Data Communications Serv
11492 1212 137 14 Cable One
8151 1163 2422 217 UniNet S.A. de C.V.
9498 1153 549 61 BHARTI BT INTERNET LTD.
9583 1124 83 438 Sify Limited
7011 1050 304 605 Citizens Utilities
18566 1041 296 10 Covad Communications

Complete listing at http://thyme.apnic.net/current/data-ASnet

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

ASN No of nets Net Savings Description
11492 1212 1198 Cable One
9498 1153 1092 BHARTI BT INTERNET LTD.
18566 1041 1031 Covad Communications
4323 1388 1022 Time Warner Telecom
8151 1163 946 UniNet S.A. de C.V.
17488 964 878 Hathway IP Over Cable Interne
6478 911 805 AT&T Worldnet Services
22773 847 789 Cox Communications, Inc.
19262 879 731 Verizon Global Networks
9583 1124 686 Sify Limited

Complete listing at http://thyme.apnic.net/current/data-CIDRnet

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

Bad AS Designation Network Transit AS Description
15190 UNALLOCATED 63.98.176.0/24 701 UUNET Technologies,
18506 UNALLOCATED 63.107.123.0/24 33286 Turlock Irrigation D
16886 UNALLOCATED 63.109.3.0/24 1239 Sprint
16886 UNALLOCATED 63.167.139.0/24 1239 Sprint
14699 UNALLOCATED 63.238.252.0/24 30517 Great Lakes Comnet,
14699 UNALLOCATED 63.238.253.0/24 30517 Great Lakes Comnet,
14699 UNALLOCATED 64.85.144.0/22 30517 Great Lakes Comnet,
33526 UNALLOCATED 64.128.26.0/24 4323 Time Warner Telecom
14699 UNALLOCATED 65.112.79.0/24 30517 Great Lakes Comnet,
21624 UNALLOCATED 65.163.176.0/24 701 UUNET Technologies,

Complete listing at http://thyme.apnic.net/current/data-badAS

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

Network Origin AS Description
24.48.10.0/23 19548 Adelphia Business Solutions
24.48.12.0/22 19548 Adelphia Business Solutions
24.48.80.0/21 19548 Adelphia Business Solutions
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
60.253.0.0/18 27572 Connexion by Boeing
60.253.64.0/19 27572 Connexion by Boeing

Complete listing at http://thyme.apnic.net/current/data-add-IANA

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 /11:39 /12:137
/13:279 /14:493 /15:984 /16:9764 /17:4234 /18:7056
/19:15026 /20:17243 /21:16277 /22:20610 /23:21748 /24:128423
/25:870 /26:1098 /27:564 /28:108 /29:9 /30:1
/31:0 /32:8

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

ASN No of nets Total ann. Description
11492 1200 1212 Cable One
2386 1059 1360 AT&T Data Communications Serv
18566 1022 1041 Covad Communications
9583 971 1124 Sify Limited
7011 934 1050 Citizens Utilities
4755 933 1572 Videsh Sanchar Nigam Ltd. Aut
6478 910 911 AT&T Worldnet Services
9498 826 1153 BHARTI BT INTERNET LTD.
23577 808 817 Korea Telecom (ATM-MPLS)
17488 780 964 Hathway IP Over Cable Interne

Complete listing at http://thyme.apnic.net/current/data/sXXas-nos

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

4:9 8:100 12:1961 13:2 15:21 16:3
17:6 18:13 20:35 22:1 24:1024 25:1
32:61 33:4 38:385 40:65 41:572 44:2
47:8 52:3 55:3 56:3 57:22 58:517
59:425 60:407 61:982 62:1022 63:1974 64:3354
65:2364 66:3652 67:1102 68:639 69:2087 70:474
71:107 72:1487 73:7 74:819 75:169 76:240
77:538 78:451 79:76 80:872 81:792 82:574
83:357 84:477 85:1018 86:378 87:646 88:307
89:1101 90:44 91:981 92:121 93:62 95:1
96:10 97:10 98:45 99:2 114:1 115:1
116:509 117:244 118:67 119:122 121:434 122:692
123:272 124:796 125:1115 128:308 129:199 130:132
131:396 132:66 133:9 134:188 135:37 136:217
137:117 138:156 139:62 140:495 141:106 142:378
143:273 144:319 145:52 146:337 147:132 148:483
149:176 150:121 151:140 152:95 153:131 154:11
155:289 156:198 157:250 158:164 159:215 160:229
161:102 162:201 163:193 164:561 165:423 166:294
167:309 168:577 169:133 170:432 171:28 172:3
189:151 190:1363 192:5773 193:4100 194:3236 195:2331
196:942 198:3701 199:3200 200:5442 201:1270 202:7543
203:7813 204:3962 205:2070 206:2344 207:2721 208:3150
209:3615 210:2523 211:1034 212:1274 213:1574 214:448
215:47 216:4139 217:1155 218:339 219:401 220:1060
221:411 222:306

End of report

cscora at apnic

Feb 15, 2008, 10:06 AM

Post #44 of 149 (8081 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 Feb, 2008

Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/

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

BGP routing table entries examined: 246017
Prefixes after maximum aggregation: 125334
Deaggregation factor: 1.96
Unique aggregates announced to Internet: 120557
Total ASes present in the Internet Routing Table: 27382
Prefixes per ASN: 8.98
Origin-only ASes present in the Internet Routing Table: 23879
Origin ASes announcing only one prefix: 11589
Transit ASes present in the Internet Routing Table: 3503
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: 19
Max AS path prepend of ASN (29642) 15
Prefixes from unregistered ASNs in the Routing Table: 41
Unregistered ASNs in the Routing Table: 15
Number of 32-bit ASNs allocated by the RIRs: 46
Prefixes from 32-bit ASNs in the Routing Table: 9
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 871
Number of addresses announced to Internet: 1834332256
Equivalent to 109 /8s, 85 /16s and 176 /24s
Percentage of available address space announced: 49.5
Percentage of allocated address space announced: 61.5
Percentage of available address space allocated: 80.5
Percentage of address space in use by end-sites: 70.1
Total number of prefixes smaller than registry allocations: 116298

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

Prefixes being announced by APNIC Region ASes: 56489
Total APNIC prefixes after maximum aggregation: 21163
APNIC Deaggregation factor: 2.67
Prefixes being announced from the APNIC address blocks: 53983
Unique aggregates announced from the APNIC address blocks: 23916
APNIC Region origin ASes present in the Internet Routing Table: 3127
APNIC Prefixes per ASN: 17.26
APNIC Region origin ASes announcing only one prefix: 824
APNIC Region transit ASes present in the Internet Routing Table: 479
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 329581984
Equivalent to 19 /8s, 165 /16s and 5 /24s
Percentage of available APNIC address space announced: 75.6

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 114/8, 115/8, 116/8,
117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8,
124/8, 125/8, 126/8, 202/8, 203/8, 210/8, 211/8,
218/8, 219/8, 220/8, 221/8, 222/8,

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

Prefixes being announced by ARIN Region ASes: 115479
Total ARIN prefixes after maximum aggregation: 65634
ARIN Deaggregation factor: 1.76
Prefixes being announced from the ARIN address blocks: 84224
Unique aggregates announced from the ARIN address blocks: 33644
ARIN Region origin ASes present in the Internet Routing Table: 12147
ARIN Prefixes per ASN: 6.93
ARIN Region origin ASes announcing only one prefix: 4689
ARIN Region transit ASes present in the Internet Routing Table: 1147
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 357097600
Equivalent to 21 /8s, 72 /16s and 224 /24s
Percentage of available ARIN address space announced: 78.8

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, 64/8, 65/8, 66/8, 67/8, 68/8,
69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8,
76/8, 96/8, 97/8, 98/8, 99/8, 199/8, 204/8,
205/8, 206/8, 207/8, 208/8, 209/8, 216/8,

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

Prefixes being announced by RIPE Region ASes: 52198
Total RIPE prefixes after maximum aggregation: 32717
RIPE Deaggregation factor: 1.60
Prefixes being announced from the RIPE address blocks: 47338
Unique aggregates announced from the RIPE address blocks: 31707
RIPE Region origin ASes present in the Internet Routing Table: 10900
RIPE Prefixes per ASN: 4.34
RIPE Region origin ASes announcing only one prefix: 5703
RIPE Region transit ASes present in the Internet Routing Table: 1653
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 345822848
Equivalent to 20 /8s, 156 /16s and 214 /24s
Percentage of available RIPE address space announced: 79.3

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
40960-45055
RIPE Address Blocks 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 18589
Total LACNIC prefixes after maximum aggregation: 4686
LACNIC Deaggregation factor: 3.97
Prefixes being announced from the LACNIC address blocks: 16978
Unique aggregates announced from the LACNIC address blocks: 9322
LACNIC Region origin ASes present in the Internet Routing Table: 905
LACNIC Prefixes per ASN: 18.76
LACNIC Region origin ASes announcing only one prefix: 297
LACNIC Region transit ASes present in the Internet Routing Table: 152
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 48126464
Equivalent to 2 /8s, 222 /16s and 90 /24s
Percentage of available LACNIC address space announced: 47.8

LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 186/8, 187/8, 189/8, 190/8, 200/8, 201/8,

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

Prefixes being announced by AfriNIC Region ASes: 3220
Total AfriNIC prefixes after maximum aggregation: 1116
AfriNIC Deaggregation factor: 2.89
Prefixes being announced from the AfriNIC address blocks: 3659
Unique aggregates announced from the AfriNIC address blocks: 1750
AfriNIC Region origin ASes present in the Internet Routing Table: 228
AfriNIC Prefixes per ASN: 16.05
AfriNIC Region origin ASes announcing only one prefix: 76
AfriNIC Region transit ASes present in the Internet Routing Table: 42
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 10004480
Equivalent to 0 /8s, 152 /16s and 168 /24s
Percentage of available AfriNIC address space announced: 29.8

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
4755 1576 386 78 Videsh Sanchar Nigam Ltd. Aut
9498 1159 549 60 BHARTI BT INTERNET LTD.
9583 1132 83 443 Sify Limited
17488 983 63 87 Hathway IP Over Cable Interne
4134 863 11881 311 CHINANET-BACKBONE
4766 852 5495 344 Korea Telecom (KIX)
23577 819 34 698 Korea Telecom (ATM-MPLS)
18101 713 128 65 Reliance Infocom Ltd Internet
9829 596 449 11 BSNL National Internet Backbo
4812 552 940 84 China Telecom (Shanghai)

Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC

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

ASN No of nets /20 equiv MaxAgg Description
7018 1429 6004 990 AT&T WorldNet Services
4323 1388 1012 367 Time Warner Telecom
2386 1363 634 832 AT&T Data Communications Serv
11492 1215 138 15 Cable One
7011 1055 307 608 Citizens Utilities
18566 1042 296 10 Covad Communications
6197 1034 754 511 BellSouth Network Solutions,
174 984 6835 815 Cogent Communications
6478 927 237 112 AT&T Worldnet Services
20115 887 808 484 Charter Communications

Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN

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

ASN No of nets /20 equiv MaxAgg Description
8452 397 188 7 TEDATA
3292 396 1778 359 TDC Tele Danmark
3301 333 1459 304 TeliaNet Sweden
3320 325 7045 269 Deutsche Telekom AG
8866 288 78 24 Bulgarian Telecommunication C
8551 279 267 42 Bezeq International
680 275 2046 256 DFN-IP service G-WiN
3215 272 2607 94 France Telecom Transpac
8708 271 420 241 Romania Data Systems S.A.
6746 270 128 247 Dynamic Network Technologies,

Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE

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

ASN No of nets /20 equiv MaxAgg Description
8151 1153 2421 217 UniNet S.A. de C.V.
11830 555 299 9 Instituto Costarricense de El
7303 443 215 59 Telecom Argentina Stet-France
16814 427 27 10 NSS, S.A.
11172 401 115 65 Servicios Alestra S.A de C.V
6471 397 85 40 ENTEL CHILE S.A.
10620 375 98 35 TVCABLE BOGOTA
14117 351 23 16 Telefonica del Sur S.A.
22047 323 270 14 VTR PUNTO NET S.A.
10481 301 120 10 Prima S.A.

Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC

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

ASN No of nets /20 equiv MaxAgg Description
24863 406 60 29 LINKdotNET AS number
3741 282 869 224 The Internet Solution
2018 148 276 116 Tertiary Education Network
6713 143 135 11 Itissalat Al-MAGHRIB
5536 120 8 16 Internet Egypt Network
33783 115 10 13 EEPAD TISP TELECOM & INTERNET
33776 99 6 7 Starcomms Nigeria Limited
20858 91 34 3 EgyNet
24835 89 48 7 RAYA Telecom - Egypt
29571 80 13 7 Ci Telecom Autonomous system

Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
4755 1576 386 78 Videsh Sanchar Nigam Ltd. Aut
7018 1429 6004 990 AT&T WorldNet Services
4323 1388 1012 367 Time Warner Telecom
2386 1363 634 832 AT&T Data Communications Serv
11492 1215 138 15 Cable One
9498 1159 549 60 BHARTI BT INTERNET LTD.
8151 1153 2421 217 UniNet S.A. de C.V.
9583 1132 83 443 Sify Limited
7011 1055 307 608 Citizens Utilities
18566 1042 296 10 Covad Communications

Complete listing at http://thyme.apnic.net/current/data-ASnet

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

ASN No of nets Net Savings Description
11492 1215 1200 Cable One
9498 1159 1099 BHARTI BT INTERNET LTD.
18566 1042 1032 Covad Communications
4323 1388 1021 Time Warner Telecom
8151 1153 936 UniNet S.A. de C.V.
17488 983 896 Hathway IP Over Cable Interne
6478 927 815 AT&T Worldnet Services
22773 861 796 Cox Communications, Inc.
19262 879 731 Verizon Global Networks
9583 1132 689 Sify Limited

Complete listing at http://thyme.apnic.net/current/data-CIDRnet

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

Bad AS Designation Network Transit AS Description
15190 UNALLOCATED 63.98.176.0/24 701 UUNET Technologies,
18506 UNALLOCATED 63.107.123.0/24 701 UUNET Technologies,
16886 UNALLOCATED 63.109.3.0/24 1239 Sprint
16886 UNALLOCATED 63.167.139.0/24 1239 Sprint
33526 UNALLOCATED 64.128.26.0/24 4323 Time Warner Telecom
21624 UNALLOCATED 65.163.176.0/24 701 UUNET Technologies,
65000 PRIVATE 92.62.240.0/20 24750 Cable Internet Syste
64601 PRIVATE 118.232.77.0/24 9924 Taiwan Fixed Network
64601 PRIVATE 118.232.78.0/24 9924 Taiwan Fixed Network
64601 PRIVATE 118.232.224.0/21 9924 Taiwan Fixed Network

Complete listing at http://thyme.apnic.net/current/data-badAS

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

Network Origin AS Description
24.48.10.0/23 19548 Adelphia Business Solutions
24.48.12.0/22 19548 Adelphia Business Solutions
24.48.80.0/21 19548 Adelphia Business Solutions
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
60.253.0.0/18 27572 Connexion by Boeing
60.253.64.0/19 27572 Connexion by Boeing

Complete listing at http://thyme.apnic.net/current/data-add-IANA

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 /11:39 /12:134
/13:277 /14:495 /15:985 /16:9767 /17:4244 /18:7106
/19:15119 /20:17290 /21:16363 /22:20733 /23:21818 /24:128946
/25:863 /26:1106 /27:562 /28:108 /29:9 /30:1
/31:0 /32:8

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

ASN No of nets Total ann. Description
11492 1203 1215 Cable One
2386 1066 1363 AT&T Data Communications Serv
18566 1023 1042 Covad Communications
9583 977 1132 Sify Limited
7011 938 1055 Citizens Utilities
4755 931 1576 Videsh Sanchar Nigam Ltd. Aut
6478 926 927 AT&T Worldnet Services
9498 833 1159 BHARTI BT INTERNET LTD.
23577 810 819 Korea Telecom (ATM-MPLS)
17488 798 983 Hathway IP Over Cable Interne

Complete listing at http://thyme.apnic.net/current/data/sXXas-nos

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

4:9 8:101 12:1978 13:2 15:21 16:3
17:6 18:13 20:35 22:1 24:1026 25:1
32:61 33:4 38:390 40:65 41:579 44:2
47:8 52:3 55:3 56:3 57:22 58:517
59:425 60:407 61:988 62:1034 63:1958 64:3358
65:2353 66:3656 67:1115 68:633 69:2097 70:474
71:107 72:1488 73:6 74:825 75:169 76:252
77:549 78:491 79:77 80:877 81:824 82:577
83:359 84:463 85:1008 86:392 87:648 88:308
89:1117 90:12 91:981 92:137 93:63 95:1
96:12 97:10 98:54 99:2 114:1 115:1
116:524 117:252 118:78 119:143 121:439 122:691
123:295 124:798 125:1122 128:310 129:198 130:132
131:398 132:69 133:9 134:188 135:37 136:218
137:117 138:156 139:63 140:494 141:106 142:377
143:270 144:327 145:53 146:337 147:132 148:478
149:178 150:124 151:148 152:95 153:131 154:11
155:288 156:199 157:250 158:163 159:214 160:229
161:99 162:202 163:192 164:563 165:423 166:292
167:308 168:576 169:132 170:431 171:28 172:3
189:152 190:1369 192:5768 193:4098 194:3244 195:2337
196:975 198:3783 199:3199 200:5445 201:1273 202:7566
203:7804 204:3971 205:2060 206:2415 207:2719 208:3152
209:3577 210:2524 211:1034 212:1268 213:1576 214:449
215:47 216:4161 217:1179 218:340 219:400 220:1097
221:411 222:301

End of report

cscora at apnic

Feb 22, 2008, 10:06 AM

Post #45 of 149 (8054 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 Feb, 2008

Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/

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

BGP routing table entries examined: 246872
Prefixes after maximum aggregation: 124953
Deaggregation factor: 1.98
Unique aggregates announced to Internet: 119515
Total ASes present in the Internet Routing Table: 27438
Prefixes per ASN: 9.00
Origin-only ASes present in the Internet Routing Table: 23927
Origin ASes announcing only one prefix: 11617
Transit ASes present in the Internet Routing Table: 3511
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: 19
Max AS path prepend of ASN (29642) 15
Prefixes from unregistered ASNs in the Routing Table: 59
Unregistered ASNs in the Routing Table: 15
Number of 32-bit ASNs allocated by the RIRs: 46
Prefixes from 32-bit ASNs in the Routing Table: 9
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 927
Number of addresses announced to Internet: 1835598080
Equivalent to 109 /8s, 105 /16s and 1 /24s
Percentage of available address space announced: 49.5
Percentage of allocated address space announced: 60.8
Percentage of available address space allocated: 81.4
Percentage of address space in use by end-sites: 70.3
Total number of prefixes smaller than registry allocations: 116852

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

Prefixes being announced by APNIC Region ASes: 56515
Total APNIC prefixes after maximum aggregation: 20789
APNIC Deaggregation factor: 2.72
Prefixes being announced from the APNIC address blocks: 54018
Unique aggregates announced from the APNIC address blocks: 22875
APNIC Region origin ASes present in the Internet Routing Table: 3133
APNIC Prefixes per ASN: 17.24
APNIC Region origin ASes announcing only one prefix: 826
APNIC Region transit ASes present in the Internet Routing Table: 481
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 330881472
Equivalent to 19 /8s, 184 /16s and 217 /24s
Percentage of available APNIC address space announced: 75.9

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 114/8, 115/8, 116/8,
117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8,
124/8, 125/8, 126/8, 202/8, 203/8, 210/8, 211/8,
218/8, 219/8, 220/8, 221/8, 222/8,

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

Prefixes being announced by ARIN Region ASes: 115756
Total ARIN prefixes after maximum aggregation: 65427
ARIN Deaggregation factor: 1.77
Prefixes being announced from the ARIN address blocks: 84476
Unique aggregates announced from the ARIN address blocks: 33341
ARIN Region origin ASes present in the Internet Routing Table: 12151
ARIN Prefixes per ASN: 6.95
ARIN Region origin ASes announcing only one prefix: 4686
ARIN Region transit ASes present in the Internet Routing Table: 1149
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 356278656
Equivalent to 21 /8s, 60 /16s and 97 /24s
Percentage of available ARIN address space announced: 73.2

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, 64/8, 65/8, 66/8, 67/8, 68/8,
69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8,
76/8, 96/8, 97/8, 98/8, 99/8, 173/8, 174/8,
199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
216/8,

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

Prefixes being announced by RIPE Region ASes: 52449
Total RIPE prefixes after maximum aggregation: 32857
RIPE Deaggregation factor: 1.60
Prefixes being announced from the RIPE address blocks: 47511
Unique aggregates announced from the RIPE address blocks: 31891
RIPE Region origin ASes present in the Internet Routing Table: 10944
RIPE Prefixes per ASN: 4.34
RIPE Region origin ASes announcing only one prefix: 5730
RIPE Region transit ASes present in the Internet Routing Table: 1652
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 346376192
Equivalent to 20 /8s, 165 /16s and 72 /24s
Percentage of available RIPE address space announced: 79.4

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, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 18675
Total LACNIC prefixes after maximum aggregation: 4729
LACNIC Deaggregation factor: 3.95
Prefixes being announced from the LACNIC address blocks: 17075
Unique aggregates announced from the LACNIC address blocks: 9357
LACNIC Region origin ASes present in the Internet Routing Table: 908
LACNIC Prefixes per ASN: 18.81
LACNIC Region origin ASes announcing only one prefix: 302
LACNIC Region transit ASes present in the Internet Routing Table: 153
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 48446720
Equivalent to 2 /8s, 227 /16s and 61 /24s
Percentage of available LACNIC address space announced: 48.1

LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 186/8, 187/8, 189/8, 190/8, 200/8, 201/8,

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

Prefixes being announced by AfriNIC Region ASes: 3417
Total AfriNIC prefixes after maximum aggregation: 1133
AfriNIC Deaggregation factor: 3.02
Prefixes being announced from the AfriNIC address blocks: 3860
Unique aggregates announced from the AfriNIC address blocks: 1806
AfriNIC Region origin ASes present in the Internet Routing Table: 229
AfriNIC Prefixes per ASN: 16.86
AfriNIC Region origin ASes announcing only one prefix: 73
AfriNIC Region transit ASes present in the Internet Routing Table: 45
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 10006016
Equivalent to 0 /8s, 152 /16s and 174 /24s
Percentage of available AfriNIC address space announced: 29.8

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
4755 1580 386 81 Videsh Sanchar Nigam Ltd. Aut
9583 1148 109 21 Sify Limited
9498 1130 550 63 BHARTI BT INTERNET LTD.
17488 992 64 89 Hathway IP Over Cable Interne
4766 854 5495 345 Korea Telecom (KIX)
4134 853 12089 313 CHINANET-BACKBONE
23577 811 34 696 Korea Telecom (ATM-MPLS)
18101 712 128 65 Reliance Infocom Ltd Internet
9829 584 449 11 BSNL National Internet Backbo
4812 553 940 85 China Telecom (Shanghai)

Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC

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

ASN No of nets /20 equiv MaxAgg Description
7018 1427 5988 992 AT&T WorldNet Services
4323 1375 1011 363 Time Warner Telecom
2386 1362 634 839 AT&T Data Communications Serv
11492 1206 138 30 Cable One
7011 1060 308 613 Citizens Utilities
18566 1042 296 10 Covad Communications
6197 1034 754 511 BellSouth Network Solutions,
174 984 6835 815 Cogent Communications
6478 927 237 112 AT&T Worldnet Services
20115 887 808 484 Charter Communications

Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN

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

ASN No of nets /20 equiv MaxAgg Description
8452 398 188 7 TEDATA
3292 396 1778 361 TDC Tele Danmark
3301 335 1443 305 TeliaNet Sweden
3320 325 7045 269 Deutsche Telekom AG
8866 289 78 24 Bulgarian Telecommunication C
8551 279 267 42 Bezeq International
680 275 2046 256 DFN-IP service G-WiN
3215 273 2607 94 France Telecom Transpac
8708 271 420 241 Romania Data Systems S.A.
6746 269 128 247 Dynamic Network Technologies,

Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE

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

ASN No of nets /20 equiv MaxAgg Description
8151 1170 2438 218 UniNet S.A. de C.V.
11830 555 299 9 Instituto Costarricense de El
7303 444 216 58 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
11172 400 115 66 Servicios Alestra S.A de C.V
6471 396 85 40 ENTEL CHILE S.A.
10620 366 96 49 TVCABLE BOGOTA
14117 352 25 15 Telefonica del Sur S.A.
22047 323 270 14 VTR PUNTO NET S.A.
10481 301 120 10 Prima S.A.

Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC

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

ASN No of nets /20 equiv MaxAgg Description
24863 411 60 31 LINKdotNET AS number
3741 282 869 224 The Internet Solution
20858 210 34 3 EgyNet
2018 158 276 117 Tertiary Education Network
6713 143 135 11 Itissalat Al-MAGHRIB
33783 129 9 15 EEPAD TISP TELECOM & INTERNET
5536 121 8 16 Internet Egypt Network
33776 99 6 7 Starcomms Nigeria Limited
24835 90 48 7 RAYA Telecom - Egypt
29571 80 13 7 Ci Telecom Autonomous system

Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
4755 1580 386 81 Videsh Sanchar Nigam Ltd. Aut
7018 1427 5988 992 AT&T WorldNet Services
4323 1375 1011 363 Time Warner Telecom
2386 1362 634 839 AT&T Data Communications Serv
11492 1206 138 30 Cable One
8151 1170 2438 218 UniNet S.A. de C.V.
9583 1148 109 21 Sify Limited
9498 1130 550 63 BHARTI BT INTERNET LTD.
7011 1060 308 613 Citizens Utilities
18566 1042 296 10 Covad Communications

Complete listing at http://thyme.apnic.net/current/data-ASnet

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

ASN No of nets Net Savings Description
11492 1206 1176 Cable One
9583 1148 1127 Sify Limited
9498 1130 1067 BHARTI BT INTERNET LTD.
18566 1042 1032 Covad Communications
4323 1375 1012 Time Warner Telecom
8151 1170 952 UniNet S.A. de C.V.
17488 992 903 Hathway IP Over Cable Interne
6478 927 815 AT&T Worldnet Services
22773 874 809 Cox Communications, Inc.
19262 884 733 Verizon Global Networks

Complete listing at http://thyme.apnic.net/current/data-CIDRnet

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

Bad AS Designation Network Transit AS Description
15190 UNALLOCATED 63.98.176.0/24 701 UUNET Technologies,
18506 UNALLOCATED 63.107.123.0/24 33286 Turlock Irrigation D
16886 UNALLOCATED 63.109.3.0/24 1239 Sprint
16886 UNALLOCATED 63.167.139.0/24 1239 Sprint
33526 UNALLOCATED 64.128.26.0/24 4323 Time Warner Telecom
21624 UNALLOCATED 65.163.176.0/24 701 UUNET Technologies,
65000 PRIVATE 92.62.240.0/20 24750 Cable Internet Syste
64601 PRIVATE 118.232.77.0/24 9924 Taiwan Fixed Network
64601 PRIVATE 118.232.78.0/24 9924 Taiwan Fixed Network
64601 PRIVATE 118.232.224.0/21 9924 Taiwan Fixed Network

Complete listing at http://thyme.apnic.net/current/data-badAS

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

Network Origin AS Description
24.48.10.0/23 19548 Adelphia Business Solutions
24.48.12.0/22 19548 Adelphia Business Solutions
24.48.80.0/21 19548 Adelphia Business Solutions
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.72.160.0/19 24896 IntellCOM Provider LIR, Kiev,

Complete listing at http://thyme.apnic.net/current/data-add-IANA

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 /11:39 /12:134
/13:276 /14:494 /15:985 /16:9773 /17:4253 /18:7119
/19:15160 /20:17298 /21:16433 /22:20813 /23:21929 /24:129455
/25:877 /26:1109 /27:568 /28:95 /29:9 /30:1
/31:0 /32:8

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

ASN No of nets Total ann. Description
11492 1194 1206 Cable One
2386 1068 1362 AT&T Data Communications Serv
18566 1023 1042 Covad Communications
9583 984 1148 Sify Limited
7011 943 1060 Citizens Utilities
4755 932 1580 Videsh Sanchar Nigam Ltd. Aut
6478 926 927 AT&T Worldnet Services
17488 807 992 Hathway IP Over Cable Interne
9498 803 1130 BHARTI BT INTERNET LTD.
23577 802 811 Korea Telecom (ATM-MPLS)

Complete listing at http://thyme.apnic.net/current/data/sXXas-nos

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

4:9 8:101 12:1983 13:1 15:21 16:3
17:6 18:13 20:35 24:1027 25:1 32:61
33:4 38:390 40:65 41:597 44:2 47:8
52:3 55:3 56:3 57:22 58:522 59:422
60:407 61:988 62:1079 63:1950 64:3357 65:2363
66:3635 67:1131 68:629 69:2104 70:483 71:123
72:1452 73:6 74:842 75:236 76:258 77:556
78:499 79:80 80:892 81:824 82:586 83:355
84:522 85:1006 86:393 87:650 88:295 89:1166
90:12 91:1033 92:134 93:79 95:2 96:13
97:10 98:74 99:3 114:1 115:1 116:534
117:262 118:78 119:154 121:439 122:706 123:289
124:804 125:1097 128:310 129:198 130:132 131:399
132:69 133:9 134:188 135:37 136:220 137:117
138:156 139:63 140:489 141:108 142:377 143:265
144:340 145:53 146:335 147:131 148:486 149:178
150:124 151:148 152:95 153:131 154:11 155:290
156:201 157:250 158:162 159:217 160:230 161:100
162:203 163:197 164:567 165:425 166:292 167:307
168:583 169:133 170:432 171:28 172:3 189:155
190:1399 192:5765 193:4100 194:3254 195:2332 196:997
198:3770 199:3191 200:5458 201:1277 202:7584 203:7794
204:3971 205:2059 206:2413 207:2728 208:3146 209:3557
210:2529 211:1032 212:1284 213:1585 214:445 215:47
216:4155 217:1200 218:337 219:399 220:1099 221:402
222:308

End of report

cscora at apnic

Feb 29, 2008, 10:07 AM

Post #46 of 149 (8031 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 Mar, 2008

Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/

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

BGP routing table entries examined: 247820
Prefixes after maximum aggregation: 125222
Deaggregation factor: 1.98
Unique aggregates announced to Internet: 119811
Total ASes present in the Internet Routing Table: 27500
Prefixes per ASN: 9.01
Origin-only ASes present in the Internet Routing Table: 23968
Origin ASes announcing only one prefix: 11633
Transit ASes present in the Internet Routing Table: 3532
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: 19
Max AS path prepend of ASN (43380) 13
Prefixes from unregistered ASNs in the Routing Table: 40
Unregistered ASNs in the Routing Table: 13
Number of 32-bit ASNs allocated by the RIRs: 45
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: 880
Number of addresses announced to Internet: 1856621888
Equivalent to 110 /8s, 169 /16s and 205 /24s
Percentage of available address space announced: 50.1
Percentage of allocated address space announced: 61.5
Percentage of available address space allocated: 81.4
Percentage of address space in use by end-sites: 70.7
Total number of prefixes smaller than registry allocations: 117515

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

Prefixes being announced by APNIC Region ASes: 56616
Total APNIC prefixes after maximum aggregation: 20833
APNIC Deaggregation factor: 2.72
Prefixes being announced from the APNIC address blocks: 54100
Unique aggregates announced from the APNIC address blocks: 22940
APNIC Region origin ASes present in the Internet Routing Table: 3136
APNIC Prefixes per ASN: 17.25
APNIC Region origin ASes announcing only one prefix: 829
APNIC Region transit ASes present in the Internet Routing Table: 484
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 334493120
Equivalent to 19 /8s, 239 /16s and 245 /24s
Percentage of available APNIC address space announced: 76.7

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 114/8, 115/8, 116/8,
117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8,
124/8, 125/8, 126/8, 202/8, 203/8, 210/8, 211/8,
218/8, 219/8, 220/8, 221/8, 222/8,

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

Prefixes being announced by ARIN Region ASes: 116201
Total ARIN prefixes after maximum aggregation: 65550
ARIN Deaggregation factor: 1.77
Prefixes being announced from the ARIN address blocks: 84871
Unique aggregates announced from the ARIN address blocks: 33344
ARIN Region origin ASes present in the Internet Routing Table: 12180
ARIN Prefixes per ASN: 6.97
ARIN Region origin ASes announcing only one prefix: 4702
ARIN Region transit ASes present in the Internet Routing Table: 1145
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 356351360
Equivalent to 21 /8s, 61 /16s and 125 /24s
Percentage of available ARIN address space announced: 73.2

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, 64/8, 65/8, 66/8, 67/8, 68/8,
69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8,
76/8, 96/8, 97/8, 98/8, 99/8, 173/8, 174/8,
199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
216/8,

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

Prefixes being announced by RIPE Region ASes: 52569
Total RIPE prefixes after maximum aggregation: 32936
RIPE Deaggregation factor: 1.60
Prefixes being announced from the RIPE address blocks: 47679
Unique aggregates announced from the RIPE address blocks: 32111
RIPE Region origin ASes present in the Internet Routing Table: 10970
RIPE Prefixes per ASN: 4.35
RIPE Region origin ASes announcing only one prefix: 5727
RIPE Region transit ASes present in the Internet Routing Table: 1673
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 346859264
Equivalent to 20 /8s, 172 /16s and 167 /24s
Percentage of available RIPE address space announced: 79.5

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, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 18826
Total LACNIC prefixes after maximum aggregation: 4763
LACNIC Deaggregation factor: 3.95
Prefixes being announced from the LACNIC address blocks: 17209
Unique aggregates announced from the LACNIC address blocks: 9367
LACNIC Region origin ASes present in the Internet Routing Table: 910
LACNIC Prefixes per ASN: 18.91
LACNIC Region origin ASes announcing only one prefix: 300
LACNIC Region transit ASes present in the Internet Routing Table: 155
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 48766464
Equivalent to 2 /8s, 232 /16s and 30 /24s
Percentage of available LACNIC address space announced: 48.4

LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 186/8, 187/8, 189/8, 190/8, 200/8, 201/8,

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

Prefixes being announced by AfriNIC Region ASes: 3565
Total AfriNIC prefixes after maximum aggregation: 1124
AfriNIC Deaggregation factor: 3.17
Prefixes being announced from the AfriNIC address blocks: 4000
Unique aggregates announced from the AfriNIC address blocks: 1807
AfriNIC Region origin ASes present in the Internet Routing Table: 230
AfriNIC Prefixes per ASN: 17.39
AfriNIC Region origin ASes announcing only one prefix: 75
AfriNIC Region transit ASes present in the Internet Routing Table: 44
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 10019328
Equivalent to 0 /8s, 152 /16s and 226 /24s
Percentage of available AfriNIC address space announced: 29.9

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
4755 1586 386 81 Videsh Sanchar Nigam Ltd. Aut
9583 1152 109 24 Sify Limited
9498 1145 550 63 BHARTI BT INTERNET LTD.
17488 992 64 89 Hathway IP Over Cable Interne
4134 853 12363 314 CHINANET-BACKBONE
4766 843 6005 338 Korea Telecom (KIX)
23577 812 34 696 Korea Telecom (ATM-MPLS)
18101 709 127 62 Reliance Infocom Ltd Internet
9829 595 449 11 BSNL National Internet Backbo
4812 558 949 89 China Telecom (Shanghai)

Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC

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

ASN No of nets /20 equiv MaxAgg Description
7018 1421 5990 985 AT&T WorldNet Services
4323 1381 1011 366 Time Warner Telecom
2386 1379 638 839 AT&T Data Communications Serv
11492 1211 144 26 Cable One
7011 1059 308 611 Citizens Utilities
18566 1042 296 10 Covad Communications
6197 995 729 475 BellSouth Network Solutions,
174 987 6835 816 Cogent Communications
6478 929 237 113 AT&T Worldnet Services
20115 890 810 486 Charter Communications

Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN

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

ASN No of nets /20 equiv MaxAgg Description
3292 398 1778 363 TDC Tele Danmark
8452 395 188 7 TEDATA
3301 336 1443 306 TeliaNet Sweden
3320 325 7045 269 Deutsche Telekom AG
8866 291 78 24 Bulgarian Telecommunication C
8551 279 267 42 Bezeq International
680 276 2046 256 DFN-IP service G-WiN
5462 275 666 26 Telewest Broadband
8708 275 421 245 Romania Data Systems S.A.
3215 271 2607 94 France Telecom Transpac

Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE

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

ASN No of nets /20 equiv MaxAgg Description
8151 1171 2437 220 UniNet S.A. de C.V.
11830 555 299 9 Instituto Costarricense de El
7303 446 216 57 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
11172 400 115 66 Servicios Alestra S.A de C.V
6471 399 85 40 ENTEL CHILE S.A.
10620 366 96 49 TVCABLE BOGOTA
14117 352 25 15 Telefonica del Sur S.A.
10481 330 124 10 Prima S.A.
22047 323 270 14 VTR PUNTO NET S.A.

Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC

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

ASN No of nets /20 equiv MaxAgg Description
24863 444 60 27 LINKdotNET AS number
3741 288 869 224 The Internet Solution
2018 246 276 111 Tertiary Education Network
20858 217 34 4 EgyNet
6713 143 135 11 Itissalat Al-MAGHRIB
33783 130 9 16 EEPAD TISP TELECOM & INTERNET
5536 121 8 16 Internet Egypt Network
33776 99 6 7 Starcomms Nigeria Limited
24835 90 48 7 RAYA Telecom - Egypt
29571 80 13 7 Ci Telecom Autonomous system

Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
4755 1586 386 81 Videsh Sanchar Nigam Ltd. Aut
7018 1421 5990 985 AT&T WorldNet Services
4323 1381 1011 366 Time Warner Telecom
2386 1379 638 839 AT&T Data Communications Serv
11492 1211 144 26 Cable One
8151 1171 2437 220 UniNet S.A. de C.V.
9583 1152 109 24 Sify Limited
9498 1145 550 63 BHARTI BT INTERNET LTD.
7011 1059 308 611 Citizens Utilities
18566 1042 296 10 Covad Communications

Complete listing at http://thyme.apnic.net/current/data-ASnet

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

ASN No of nets Net Savings Description
11492 1211 1185 Cable One
9583 1152 1128 Sify Limited
9498 1145 1082 BHARTI BT INTERNET LTD.
18566 1042 1032 Covad Communications
4323 1381 1015 Time Warner Telecom
8151 1171 951 UniNet S.A. de C.V.
17488 992 903 Hathway IP Over Cable Interne
22773 882 817 Cox Communications, Inc.
6478 929 816 AT&T Worldnet Services
6389 886 802 bellsouth.net, inc.

Complete listing at http://thyme.apnic.net/current/data-CIDRnet

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

Bad AS Designation Network Transit AS Description
18506 UNALLOCATED 63.107.123.0/24 701 UUNET Technologies,
16886 UNALLOCATED 63.109.3.0/24 1239 Sprint
16886 UNALLOCATED 63.167.139.0/24 1239 Sprint
33526 UNALLOCATED 64.128.26.0/24 4323 Time Warner Telecom
65000 PRIVATE 78.108.160.0/24 39010 TerraNet sal
65000 PRIVATE 78.108.163.0/24 39010 TerraNet sal
65000 PRIVATE 78.108.164.0/24 39010 TerraNet sal
65000 PRIVATE 92.62.240.0/20 24750 Cable Internet Syste
64601 PRIVATE 118.232.77.0/24 9924 Taiwan Fixed Network
64601 PRIVATE 118.232.78.0/24 9924 Taiwan Fixed Network

Complete listing at http://thyme.apnic.net/current/data-badAS

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

Network Origin AS Description
24.48.10.0/23 19548 Adelphia Business Solutions
24.48.12.0/22 19548 Adelphia Business Solutions
24.48.80.0/21 19548 Adelphia Business Solutions
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
63.140.213.0/24 22555 Universal Talkware Corporatio

Complete listing at http://thyme.apnic.net/current/data-add-IANA

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 /10:16 /11:39 /12:138
/13:276 /14:496 /15:988 /16:9764 /17:4262 /18:7157
/19:15189 /20:17339 /21:16533 /22:20938 /23:22066 /24:129885
/25:892 /26:1119 /27:568 /28:108 /29:9 /30:1
/31:0 /32:8

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

ASN No of nets Total ann. Description
11492 1198 1211 Cable One
2386 1085 1379 AT&T Data Communications Serv
18566 1023 1042 Covad Communications
9583 988 1152 Sify Limited
7011 942 1059 Citizens Utilities
4755 937 1586 Videsh Sanchar Nigam Ltd. Aut
6478 928 929 AT&T Worldnet Services
9498 809 1145 BHARTI BT INTERNET LTD.
17488 807 992 Hathway IP Over Cable Interne
23577 803 812 Korea Telecom (ATM-MPLS)

Complete listing at http://thyme.apnic.net/current/data/sXXas-nos

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

4:9 8:101 12:1989 13:2 15:21 16:3
17:6 18:13 20:35 24:1032 25:1 31:1
32:61 33:4 38:396 40:65 41:613 44:2
47:8 52:3 55:3 56:3 57:22 58:521
59:427 60:407 61:984 62:1088 63:1958 64:3366
65:2378 66:3661 67:1146 68:632 69:2121 70:487
71:123 72:1483 73:6 74:852 75:236 76:257
77:565 78:503 79:86 80:886 81:815 82:596
83:354 84:532 85:987 86:388 87:625 88:299
89:1175 90:12 91:1052 92:138 93:95 95:2
96:16 97:14 98:86 99:3 114:1 115:1
116:530 117:272 118:77 119:160 121:402 122:712
123:294 124:812 125:1102 128:321 129:199 130:132
131:400 132:67 133:9 134:188 135:37 136:221
137:118 138:153 139:63 140:486 141:108 142:377
143:271 144:338 145:53 146:336 147:131 148:481
149:178 150:124 151:149 152:92 153:131 154:11
155:267 156:202 157:250 158:164 159:218 160:249
161:101 162:204 163:195 164:561 165:426 166:295
167:308 168:588 169:133 170:425 171:28 172:3
189:159 190:1406 192:5762 193:4104 194:3260 195:2334
196:1081 198:3790 199:3197 200:5467 201:1297 202:7566
203:7792 204:3967 205:2080 206:2402 207:2728 208:3174
209:3561 210:2539 211:1031 212:1293 213:1582 214:446
215:48 216:4161 217:1202 218:338 219:399 220:1098
221:403 222:309

End of report

cscora at apnic

Mar 7, 2008, 10:07 AM

Post #47 of 149 (7979 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 Mar, 2008

Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/

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

BGP routing table entries examined: 248227
Prefixes after maximum aggregation: 125224
Deaggregation factor: 1.98
Unique aggregates announced to Internet: 120307
Total ASes present in the Internet Routing Table: 27574
Prefixes per ASN: 9.00
Origin-only ASes present in the Internet Routing Table: 24019
Origin ASes announcing only one prefix: 11654
Transit ASes present in the Internet Routing Table: 3555
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: 19
Max AS path prepend of ASN (43380) 13
Prefixes from unregistered ASNs in the Routing Table: 38
Unregistered ASNs in the Routing Table: 16
Number of 32-bit ASNs allocated by the RIRs: 45
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: 865
Number of addresses announced to Internet: 1857283104
Equivalent to 110 /8s, 179 /16s and 228 /24s
Percentage of available address space announced: 50.1
Percentage of allocated address space announced: 61.5
Percentage of available address space allocated: 81.4
Percentage of address space in use by end-sites: 70.7
Total number of prefixes smaller than registry allocations: 117841

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

Prefixes being announced by APNIC Region ASes: 56724
Total APNIC prefixes after maximum aggregation: 20940
APNIC Deaggregation factor: 2.71
Prefixes being announced from the APNIC address blocks: 54145
Unique aggregates announced from the APNIC address blocks: 23140
APNIC Region origin ASes present in the Internet Routing Table: 3158
APNIC Prefixes per ASN: 17.15
APNIC Region origin ASes announcing only one prefix: 838
APNIC Region transit ASes present in the Internet Routing Table: 489
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 334801056
Equivalent to 19 /8s, 244 /16s and 168 /24s
Percentage of available APNIC address space announced: 76.8

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 114/8, 115/8, 116/8,
117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8,
124/8, 125/8, 126/8, 202/8, 203/8, 210/8, 211/8,
218/8, 219/8, 220/8, 221/8, 222/8,

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

Prefixes being announced by ARIN Region ASes: 116118
Total ARIN prefixes after maximum aggregation: 65373
ARIN Deaggregation factor: 1.78
Prefixes being announced from the ARIN address blocks: 84829
Unique aggregates announced from the ARIN address blocks: 33461
ARIN Region origin ASes present in the Internet Routing Table: 12188
ARIN Prefixes per ASN: 6.96
ARIN Region origin ASes announcing only one prefix: 4686
ARIN Region transit ASes present in the Internet Routing Table: 1152
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 356743808
Equivalent to 21 /8s, 67 /16s and 122 /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, 64/8, 65/8, 66/8, 67/8, 68/8,
69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8,
76/8, 96/8, 97/8, 98/8, 99/8, 173/8, 174/8,
199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
216/8,

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

Prefixes being announced by RIPE Region ASes: 52904
Total RIPE prefixes after maximum aggregation: 33036
RIPE Deaggregation factor: 1.60
Prefixes being announced from the RIPE address blocks: 48005
Unique aggregates announced from the RIPE address blocks: 32257
RIPE Region origin ASes present in the Internet Routing Table: 11009
RIPE Prefixes per ASN: 4.36
RIPE Region origin ASes announcing only one prefix: 5750
RIPE Region transit ASes present in the Internet Routing Table: 1683
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 346944256
Equivalent to 20 /8s, 173 /16s and 243 /24s
Percentage of available RIPE address space announced: 79.5

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, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 18849
Total LACNIC prefixes after maximum aggregation: 4739
LACNIC Deaggregation factor: 3.98
Prefixes being announced from the LACNIC address blocks: 17203
Unique aggregates announced from the LACNIC address blocks: 9412
LACNIC Region origin ASes present in the Internet Routing Table: 907
LACNIC Prefixes per ASN: 18.97
LACNIC Region origin ASes announcing only one prefix: 301
LACNIC Region transit ASes present in the Internet Routing Table: 156
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 48970496
Equivalent to 2 /8s, 235 /16s and 59 /24s
Percentage of available LACNIC address space announced: 48.6

LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 186/8, 187/8, 189/8, 190/8, 200/8, 201/8,

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

Prefixes being announced by AfriNIC Region ASes: 3591
Total AfriNIC prefixes after maximum aggregation: 1120
AfriNIC Deaggregation factor: 3.21
Prefixes being announced from the AfriNIC address blocks: 4027
Unique aggregates announced from the AfriNIC address blocks: 1801
AfriNIC Region origin ASes present in the Internet Routing Table: 233
AfriNIC Prefixes per ASN: 17.28
AfriNIC Region origin ASes announcing only one prefix: 79
AfriNIC Region transit ASes present in the Internet Routing Table: 43
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 10017280
Equivalent to 0 /8s, 152 /16s and 218 /24s
Percentage of available AfriNIC address space announced: 29.9

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
4755 1539 381 125 Videsh Sanchar Nigam Ltd. Aut
9498 1155 550 66 BHARTI BT INTERNET LTD.
9583 1149 109 25 Sify Limited
17488 1007 65 90 Hathway IP Over Cable Interne
4134 853 12379 314 CHINANET-BACKBONE
4766 847 6005 340 Korea Telecom (KIX)
23577 813 34 697 Korea Telecom (ATM-MPLS)
18101 681 127 60 Reliance Infocom Ltd Internet
9829 595 449 11 BSNL National Internet Backbo
4812 560 951 90 China Telecom (Shanghai)

Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC

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

ASN No of nets /20 equiv MaxAgg Description
7018 1425 5928 999 AT&T WorldNet Services
4323 1385 1012 366 Time Warner Telecom
2386 1377 638 839 AT&T Data Communications Serv
11492 1218 144 26 Cable One
7011 1063 309 609 Citizens Utilities
18566 1043 296 10 Covad Communications
6197 996 729 476 BellSouth Network Solutions,
1785 975 479 107 AppliedTheory Corporation
174 968 6835 817 Cogent Communications
6478 930 237 109 AT&T Worldnet Services

Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN

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

ASN No of nets /20 equiv MaxAgg Description
3292 398 1778 363 TDC Tele Danmark
8452 392 188 7 TEDATA
3301 338 1443 307 TeliaNet Sweden
3320 323 7045 268 Deutsche Telekom AG
8866 292 78 24 Bulgarian Telecommunication C
8551 279 267 42 Bezeq International
680 276 2046 256 DFN-IP service G-WiN
5462 275 666 26 Telewest Broadband
8708 275 421 245 Romania Data Systems S.A.
3215 271 2607 94 France Telecom Transpac

Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE

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

ASN No of nets /20 equiv MaxAgg Description
8151 1191 2449 221 UniNet S.A. de C.V.
11830 556 299 9 Instituto Costarricense de El
7303 449 218 59 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 398 85 40 ENTEL CHILE S.A.
11172 398 115 66 Servicios Alestra S.A de C.V
10620 369 97 51 TVCABLE BOGOTA
14117 352 25 15 Telefonica del Sur S.A.
10481 325 124 10 Prima S.A.
22047 323 270 14 VTR PUNTO NET S.A.

Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC

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

ASN No of nets /20 equiv MaxAgg Description
24863 448 60 27 LINKdotNET AS number
3741 288 869 224 The Internet Solution
2018 252 276 111 Tertiary Education Network
20858 217 34 4 EgyNet
6713 143 135 11 Itissalat Al-MAGHRIB
33783 130 9 16 EEPAD TISP TELECOM & INTERNET
5536 121 8 16 Internet Egypt Network
33776 99 6 7 Starcomms Nigeria Limited
24835 90 48 7 RAYA Telecom - Egypt
29571 80 13 7 Ci Telecom Autonomous system

Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
4755 1539 381 125 Videsh Sanchar Nigam Ltd. Aut
7018 1425 5928 999 AT&T WorldNet Services
4323 1385 1012 366 Time Warner Telecom
2386 1377 638 839 AT&T Data Communications Serv
11492 1218 144 26 Cable One
8151 1191 2449 221 UniNet S.A. de C.V.
9498 1155 550 66 BHARTI BT INTERNET LTD.
9583 1149 109 25 Sify Limited
7011 1063 309 609 Citizens Utilities
18566 1043 296 10 Covad Communications

Complete listing at http://thyme.apnic.net/current/data-ASnet

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

ASN No of nets Net Savings Description
11492 1218 1192 Cable One
9583 1149 1124 Sify Limited
9498 1155 1089 BHARTI BT INTERNET LTD.
18566 1043 1033 Covad Communications
4323 1385 1019 Time Warner Telecom
8151 1191 970 UniNet S.A. de C.V.
17488 1007 917 Hathway IP Over Cable Interne
1785 975 868 AppliedTheory Corporation
6478 930 821 AT&T Worldnet Services
22773 886 821 Cox Communications, Inc.

Complete listing at http://thyme.apnic.net/current/data-CIDRnet

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

Bad AS Designation Network Transit AS Description
18506 UNALLOCATED 63.107.123.0/24 33286 Turlock Irrigation D
16886 UNALLOCATED 63.109.3.0/24 1239 Sprint
16886 UNALLOCATED 63.167.139.0/24 1239 Sprint
33526 UNALLOCATED 64.128.26.0/24 4323 Time Warner Telecom
65000 PRIVATE 92.62.240.0/20 24750 Cable Internet Syste
64601 PRIVATE 118.232.77.0/24 9924 Taiwan Fixed Network
64601 PRIVATE 118.232.78.0/24 9924 Taiwan Fixed Network
64601 PRIVATE 118.232.224.0/21 9924 Taiwan Fixed Network
64601 PRIVATE 118.232.224.0/20 9924 Taiwan Fixed Network
64601 PRIVATE 118.232.232.0/21 9924 Taiwan Fixed Network

Complete listing at http://thyme.apnic.net/current/data-badAS

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

Network Origin AS Description
24.48.10.0/23 19548 Adelphia Business Solutions
24.48.12.0/22 19548 Adelphia Business Solutions
24.48.80.0/21 19548 Adelphia Business Solutions
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.75.192.0/18 19548 Adelphia Business Solutions
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
62.61.220.0/24 24974 Tachyon Europe BV - Wireless

Complete listing at http://thyme.apnic.net/current/data-add-IANA

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 /10:16 /11:40 /12:139
/13:278 /14:496 /15:989 /16:9764 /17:4239 /18:7165
/19:15172 /20:17402 /21:16580 /22:20967 /23:22098 /24:130127
/25:899 /26:1121 /27:578 /28:110 /29:9 /30:1
/31:0 /32:8

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

ASN No of nets Total ann. Description
11492 1205 1218 Cable One
2386 1084 1377 AT&T Data Communications Serv
18566 1024 1043 Covad Communications
9583 986 1149 Sify Limited
7011 946 1063 Citizens Utilities
6478 929 930 AT&T Worldnet Services
4755 915 1539 Videsh Sanchar Nigam Ltd. Aut
17488 822 1007 Hathway IP Over Cable Interne
9498 817 1155 BHARTI BT INTERNET LTD.
23577 804 813 Korea Telecom (ATM-MPLS)

Complete listing at http://thyme.apnic.net/current/data/sXXas-nos

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

4:9 8:100 11:1 12:1992 13:2 15:21
16:3 17:6 18:13 20:35 24:1044 25:1
32:61 33:4 38:399 40:65 41:617 44:2
47:8 52:3 55:3 56:3 57:22 58:512
59:420 60:416 61:981 62:1122 63:1963 64:3338
65:2363 66:3614 67:1023 68:637 69:2096 70:506
71:124 72:1487 73:6 74:868 75:234 76:265
77:583 78:510 79:92 80:879 81:814 82:604
83:356 84:541 85:1011 86:391 87:635 88:290
89:1179 90:11 91:1079 92:157 93:135 96:16
97:14 98:88 99:3 116:551 117:270 118:81
119:165 121:443 122:713 123:306 124:816 125:1117
128:322 129:200 130:132 131:399 132:67 133:9
134:188 135:32 136:223 137:118 138:154 139:64
140:485 141:108 142:379 143:270 144:343 145:53
146:334 147:131 148:496 149:177 150:117 151:155
152:144 153:131 154:11 155:266 156:207 157:252
158:164 159:218 160:246 161:101 162:201 163:192
164:565 165:429 166:295 167:311 168:590 169:130
170:426 171:29 172:3 189:156 190:1369 192:5757
193:4109 194:3259 195:2360 196:1083 198:3780 199:3201
200:5468 201:1307 202:7595 203:7729 204:3980 205:2089
206:2420 207:2752 208:3213 209:3506 210:2529 211:1030
212:1314 213:1610 214:438 215:48 216:4180 217:1225
218:339 219:390 220:1075 221:400 222:310

End of report

cscora at apnic

Mar 14, 2008, 11:07 AM

Post #48 of 149 (7952 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 Mar, 2008

Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/

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

BGP routing table entries examined: 248991
Prefixes after maximum aggregation: 125466
Deaggregation factor: 1.98
Unique aggregates announced to Internet: 120991
Total ASes present in the Internet Routing Table: 27634
Prefixes per ASN: 9.01
Origin-only ASes present in the Internet Routing Table: 24096
Origin ASes announcing only one prefix: 11666
Transit ASes present in the Internet Routing Table: 3538
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: 19
Max AS path prepend of ASN (43380) 13
Prefixes from unregistered ASNs in the Routing Table: 49
Unregistered ASNs in the Routing Table: 20
Number of 32-bit ASNs allocated by the RIRs: 46
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: 867
Number of addresses announced to Internet: 1844889344
Equivalent to 109 /8s, 246 /16s and 199 /24s
Percentage of available address space announced: 49.8
Percentage of allocated address space announced: 61.1
Percentage of available address space allocated: 81.4
Percentage of address space in use by end-sites: 70.8
Total number of prefixes smaller than registry allocations: 118196

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

Prefixes being announced by APNIC Region ASes: 56643
Total APNIC prefixes after maximum aggregation: 20889
APNIC Deaggregation factor: 2.71
Prefixes being announced from the APNIC address blocks: 54217
Unique aggregates announced from the APNIC address blocks: 23198
APNIC Region origin ASes present in the Internet Routing Table: 3163
APNIC Prefixes per ASN: 17.14
APNIC Region origin ASes announcing only one prefix: 849
APNIC Region transit ASes present in the Internet Routing Table: 488
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 335588192
Equivalent to 20 /8s, 0 /16s and 171 /24s
Percentage of available APNIC address space announced: 76.9

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 114/8, 115/8, 116/8,
117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8,
124/8, 125/8, 126/8, 202/8, 203/8, 210/8, 211/8,
218/8, 219/8, 220/8, 221/8, 222/8,

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

Prefixes being announced by ARIN Region ASes: 116408
Total ARIN prefixes after maximum aggregation: 65597
ARIN Deaggregation factor: 1.77
Prefixes being announced from the ARIN address blocks: 85043
Unique aggregates announced from the ARIN address blocks: 33612
ARIN Region origin ASes present in the Internet Routing Table: 12212
ARIN Prefixes per ASN: 6.96
ARIN Region origin ASes announcing only one prefix: 4692
ARIN Region transit ASes present in the Internet Routing Table: 1142
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 358814080
Equivalent to 21 /8s, 99 /16s and 17 /24s
Percentage of available ARIN address space announced: 73.7

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, 64/8, 65/8, 66/8, 67/8, 68/8,
69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8,
76/8, 96/8, 97/8, 98/8, 99/8, 173/8, 174/8,
199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
216/8,

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

Prefixes being announced by RIPE Region ASes: 53215
Total RIPE prefixes after maximum aggregation: 33075
RIPE Deaggregation factor: 1.61
Prefixes being announced from the RIPE address blocks: 48331
Unique aggregates announced from the RIPE address blocks: 32528
RIPE Region origin ASes present in the Internet Routing Table: 11037
RIPE Prefixes per ASN: 4.38
RIPE Region origin ASes announcing only one prefix: 5748
RIPE Region transit ASes present in the Internet Routing Table: 1679
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 347490080
Equivalent to 20 /8s, 182 /16s and 71 /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
40960-45055
RIPE Address Blocks 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 19085
Total LACNIC prefixes after maximum aggregation: 4763
LACNIC Deaggregation factor: 4.01
Prefixes being announced from the LACNIC address blocks: 17405
Unique aggregates announced from the LACNIC address blocks: 9489
LACNIC Region origin ASes present in the Internet Routing Table: 913
LACNIC Prefixes per ASN: 19.06
LACNIC Region origin ASes announcing only one prefix: 299
LACNIC Region transit ASes present in the Internet Routing Table: 154
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 49694208
Equivalent to 2 /8s, 246 /16s and 70 /24s
Percentage of available LACNIC address space announced: 49.4

LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 186/8, 187/8, 189/8, 190/8, 200/8, 201/8,

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

Prefixes being announced by AfriNIC Region ASes: 3589
Total AfriNIC prefixes after maximum aggregation: 1126
AfriNIC Deaggregation factor: 3.19
Prefixes being announced from the AfriNIC address blocks: 4011
Unique aggregates announced from the AfriNIC address blocks: 1804
AfriNIC Region origin ASes present in the Internet Routing Table: 231
AfriNIC Prefixes per ASN: 17.36
AfriNIC Region origin ASes announcing only one prefix: 78
AfriNIC Region transit ASes present in the Internet Routing Table: 42
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 10149632
Equivalent to 0 /8s, 154 /16s and 223 /24s
Percentage of available AfriNIC address space announced: 30.2

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 1549 381 127 Videsh Sanchar Nigam Ltd. Aut
9498 1159 550 66 BHARTI BT INTERNET LTD.
9583 1148 109 26 Sify Limited
17488 1024 66 79 Hathway IP Over Cable Interne
4134 856 12473 317 CHINANET-BACKBONE
4766 849 6005 340 Korea Telecom (KIX)
23577 815 34 697 Korea Telecom (ATM-MPLS)
18101 674 126 53 Reliance Infocom Ltd Internet
9829 595 449 11 BSNL National Internet Backbo
4812 560 951 90 China Telecom (Shanghai)

Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC

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

ASN No of nets /20 equiv MaxAgg Description
7018 1430 5945 1006 AT&T WorldNet Services
4323 1394 1028 368 Time Warner Telecom
2386 1387 638 844 AT&T Data Communications Serv
11492 1215 146 23 Cable One
7011 1063 309 607 Citizens Utilities
18566 1043 296 10 Covad Communications
6197 990 728 477 BellSouth Network Solutions,
1785 977 479 103 AppliedTheory Corporation
174 962 6835 813 Cogent Communications
6478 932 238 111 AT&T Worldnet Services

Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN

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

ASN No of nets /20 equiv MaxAgg Description
3292 398 1778 363 TDC Tele Danmark
8452 384 188 7 TEDATA
3301 345 1443 311 TeliaNet Sweden
3320 322 7045 267 Deutsche Telekom AG
8866 293 78 24 Bulgarian Telecommunication C
8551 279 267 42 Bezeq International
3215 276 2639 90 France Telecom Transpac
5462 275 666 26 Telewest Broadband
8708 274 421 244 Romania Data Systems S.A.
680 272 2046 258 DFN-IP service G-WiN

Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE

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

ASN No of nets /20 equiv MaxAgg Description
8151 1191 2449 221 UniNet S.A. de C.V.
11830 556 299 9 Instituto Costarricense de El
7303 450 219 59 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
11172 406 116 68 Servicios Alestra S.A de C.V
6471 398 85 40 ENTEL CHILE S.A.
10620 372 98 47 TVCABLE BOGOTA
14117 352 25 15 Telefonica del Sur S.A.
22047 322 270 14 VTR PUNTO NET S.A.
20299 313 35 31 NEWCOM AMERICAS

Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC

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

ASN No of nets /20 equiv MaxAgg Description
24863 451 60 27 LINKdotNET AS number
3741 290 869 224 The Internet Solution
2018 250 276 119 Tertiary Education Network
20858 217 34 4 EgyNet
6713 143 135 11 Itissalat Al-MAGHRIB
33783 130 9 16 EEPAD TISP TELECOM & INTERNET
5536 121 8 16 Internet Egypt Network
33776 99 6 7 Starcomms Nigeria Limited
24835 90 48 7 RAYA Telecom - Egypt
29571 80 13 7 Ci Telecom Autonomous system

Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
4755 1549 381 127 Videsh Sanchar Nigam Ltd. Aut
7018 1430 5945 1006 AT&T WorldNet Services
4323 1394 1028 368 Time Warner Telecom
2386 1387 638 844 AT&T Data Communications Serv
11492 1215 146 23 Cable One
8151 1191 2449 221 UniNet S.A. de C.V.
9498 1159 550 66 BHARTI BT INTERNET LTD.
9583 1148 109 26 Sify Limited
7011 1063 309 607 Citizens Utilities
18566 1043 296 10 Covad Communications

Complete listing at http://thyme.apnic.net/current/data-ASnet

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

ASN No of nets Net Savings Description
11492 1215 1192 Cable One
9583 1148 1122 Sify Limited
9498 1159 1093 BHARTI BT INTERNET LTD.
18566 1043 1033 Covad Communications
4323 1394 1026 Time Warner Telecom
8151 1191 970 UniNet S.A. de C.V.
17488 1024 945 Hathway IP Over Cable Interne
1785 977 874 AppliedTheory Corporation
22773 888 825 Cox Communications, Inc.
6478 932 821 AT&T Worldnet Services

Complete listing at http://thyme.apnic.net/current/data-CIDRnet

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

Bad AS Designation Network Transit AS Description
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
18506 UNALLOCATED 63.107.123.0/24 33286 Turlock Irrigation D
16886 UNALLOCATED 63.109.3.0/24 1239 Sprint
16886 UNALLOCATED 63.167.139.0/24 1239 Sprint
33526 UNALLOCATED 64.128.26.0/24 4323 Time Warner Telecom
65382 PRIVATE 72.158.126.0/24 6381 bellsouth.net, inc.
65383 PRIVATE 72.158.127.0/24 6381 bellsouth.net, inc.
65011 PRIVATE 74.43.150.0/24 7011 Citizens Utilities
65000 PRIVATE 92.62.240.0/20 24750 Cable Internet Syste
64601 PRIVATE 118.232.77.0/24 9924 Taiwan Fixed Network

Complete listing at http://thyme.apnic.net/current/data-badAS

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

Network Origin AS Description
24.48.10.0/23 19548 Adelphia Business Solutions
24.48.12.0/22 19548 Adelphia Business Solutions
24.48.80.0/21 19548 Adelphia Business Solutions
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.75.192.0/18 19548 Adelphia Business Solutions
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
62.61.220.0/24 24974 Tachyon Europe BV - Wireless

Complete listing at http://thyme.apnic.net/current/data-add-IANA

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 /11:39 /12:139
/13:278 /14:499 /15:991 /16:9782 /17:4273 /18:7233
/19:15183 /20:17442 /21:16612 /22:21095 /23:22203 /24:130826
/25:761 /26:979 /27:483 /28:111 /29:9 /30:1
/31:0 /32:8

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

ASN No of nets Total ann. Description
11492 1201 1215 Cable One
2386 1091 1387 AT&T Data Communications Serv
18566 1024 1043 Covad Communications
9583 985 1148 Sify Limited
7011 947 1063 Citizens Utilities
6478 931 932 AT&T Worldnet Services
4755 922 1549 Videsh Sanchar Nigam Ltd. Aut
17488 839 1024 Hathway IP Over Cable Interne
9498 821 1159 BHARTI BT INTERNET LTD.
23577 806 815 Korea Telecom (ATM-MPLS)

Complete listing at http://thyme.apnic.net/current/data/sXXas-nos

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

4:9 8:100 11:1 12:1998 13:2 15:21
16:3 17:6 18:13 20:35 24:1043 25:1
32:61 33:4 38:401 40:95 41:630 44:2
46:5 47:8 52:3 55:3 56:3 57:22
58:514 59:420 60:418 61:984 62:1116 63:1970
64:3349 65:2362 66:3613 67:1042 68:646 69:2102
70:512 71:126 72:1494 73:6 74:879 75:236
76:272 77:600 78:526 79:99 80:881 81:843
82:610 83:365 84:541 85:951 86:391 87:633
88:306 89:1196 90:11 91:1098 92:226 93:135
96:18 97:15 98:95 99:2 116:561 117:274
118:83 119:237 121:462 122:712 123:294 124:804
125:1123 128:322 129:201 130:125 131:401 132:69
133:9 134:187 135:32 136:221 137:119 138:154
139:67 140:484 141:109 142:378 143:279 144:339
145:53 146:333 147:132 148:498 149:180 150:121
151:155 152:142 153:133 154:11 155:266 156:207
157:253 158:165 159:219 160:252 161:100 162:205
163:194 164:567 165:431 166:296 167:313 168:590
169:130 170:426 171:29 172:3 189:154 190:1465
192:5771 193:4106 194:3263 195:2356 196:1064 198:3778
199:3225 200:5502 201:1316 202:7584 203:7803 204:4013
205:2092 206:2422 207:2771 208:3207 209:3488 210:2533
211:1027 212:1309 213:1601 214:451 215:48 216:4210
217:1232 218:340 219:392 220:1068 221:402 222:311

End of report

cscora at apnic

Mar 21, 2008, 11:06 AM

Post #49 of 149 (7908 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 Mar, 2008

Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/

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

BGP routing table entries examined: 249926
Prefixes after maximum aggregation: 125708
Deaggregation factor: 1.99
Unique aggregates announced to Internet: 121435
Total ASes present in the Internet Routing Table: 27716
Prefixes per ASN: 9.02
Origin-only ASes present in the Internet Routing Table: 24163
Origin ASes announcing only one prefix: 11205
Transit ASes present in the Internet Routing Table: 3553
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: 18
Max AS path prepend of ASN (43380) 13
Prefixes from unregistered ASNs in the Routing Table: 25270
Unregistered ASNs in the Routing Table: 1928
Number of 32-bit ASNs allocated by the RIRs: 46
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: 874
Number of addresses announced to Internet: 1847560448
Equivalent to 110 /8s, 31 /16s and 137 /24s
Percentage of available address space announced: 49.8
Percentage of allocated address space announced: 61.2
Percentage of available address space allocated: 81.4
Percentage of address space in use by end-sites: 71.0
Total number of prefixes smaller than registry allocations: 118974

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

Prefixes being announced by APNIC Region ASes: 42273
Total APNIC prefixes after maximum aggregation: 13276
APNIC Deaggregation factor: 3.18
Prefixes being announced from the APNIC address blocks: 54431
Unique aggregates announced from the APNIC address blocks: 23158
APNIC Region origin ASes present in the Internet Routing Table: 1905
APNIC Prefixes per ASN: 28.57
APNIC Region origin ASes announcing only one prefix: 553
APNIC Region transit ASes present in the Internet Routing Table: 348
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 336420960
Equivalent to 20 /8s, 13 /16s and 96 /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, 45056-46079
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 114/8, 115/8, 116/8,
117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8,
124/8, 125/8, 126/8, 202/8, 203/8, 210/8, 211/8,
218/8, 219/8, 220/8, 221/8, 222/8,

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

Prefixes being announced by ARIN Region ASes: 106628
Total ARIN prefixes after maximum aggregation: 58657
ARIN Deaggregation factor: 1.82
Prefixes being announced from the ARIN address blocks: 85319
Unique aggregates announced from the ARIN address blocks: 33814
ARIN Region origin ASes present in the Internet Routing Table: 11645
ARIN Prefixes per ASN: 7.33
ARIN Region origin ASes announcing only one prefix: 4517
ARIN Region transit ASes present in the Internet Routing Table: 1035
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 360305408
Equivalent to 21 /8s, 121 /16s and 211 /24s
Percentage of available ARIN address space announced: 74.1

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, 64/8, 65/8, 66/8, 67/8, 68/8,
69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8,
76/8, 96/8, 97/8, 98/8, 99/8, 173/8, 174/8,
199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
216/8,

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

Prefixes being announced by RIPE Region ASes: 53063
Total RIPE prefixes after maximum aggregation: 32987
RIPE Deaggregation factor: 1.61
Prefixes being announced from the RIPE address blocks: 48596
Unique aggregates announced from the RIPE address blocks: 32653
RIPE Region origin ASes present in the Internet Routing Table: 11060
RIPE Prefixes per ASN: 4.39
RIPE Region origin ASes announcing only one prefix: 5776
RIPE Region transit ASes present in the Internet Routing Table: 1682
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 347894304
Equivalent to 20 /8s, 188 /16s and 114 /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
40960-45055
RIPE Address Blocks 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 19100
Total LACNIC prefixes after maximum aggregation: 4771
LACNIC Deaggregation factor: 4.00
Prefixes being announced from the LACNIC address blocks: 17466
Unique aggregates announced from the LACNIC address blocks: 9543
LACNIC Region origin ASes present in the Internet Routing Table: 882
LACNIC Prefixes per ASN: 19.80
LACNIC Region origin ASes announcing only one prefix: 279
LACNIC Region transit ASes present in the Internet Routing Table: 152
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 49790848
Equivalent to 2 /8s, 247 /16s and 191 /24s
Percentage of available LACNIC address space announced: 49.5

LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 186/8, 187/8, 189/8, 190/8, 200/8, 201/8,

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

Prefixes being announced by AfriNIC Region ASes: 3591
Total AfriNIC prefixes after maximum aggregation: 1135
AfriNIC Deaggregation factor: 3.16
Prefixes being announced from the AfriNIC address blocks: 4008
Unique aggregates announced from the AfriNIC address blocks: 1814
AfriNIC Region origin ASes present in the Internet Routing Table: 234
AfriNIC Prefixes per ASN: 17.13
AfriNIC Region origin ASes announcing only one prefix: 80
AfriNIC Region transit ASes present in the Internet Routing Table: 44
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 10090752
Equivalent to 0 /8s, 153 /16s and 249 /24s
Percentage of available AfriNIC address space announced: 30.1

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 1612 386 85 Videsh Sanchar Nigam Ltd. Aut
9583 1151 140 16 Sify Limited
9498 1123 551 65 BHARTI BT INTERNET LTD.
17488 1033 66 86 Hathway IP Over Cable Interne
4134 855 12473 317 CHINANET-BACKBONE
4766 849 6005 340 Korea Telecom (KIX)
18101 673 126 52 Reliance Infocom Ltd Internet
9829 594 449 11 BSNL National Internet Backbo
4812 561 967 91 China Telecom (Shanghai)
1221 545 1951 420 Telstra Pty Ltd

Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC

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

ASN No of nets /20 equiv MaxAgg Description
7018 1413 5926 1000 AT&T WorldNet Services
2386 1390 657 850 AT&T Data Communications Serv
4323 1386 1028 367 Time Warner Telecom
11492 1216 146 23 Cable One
7011 1073 312 610 Citizens Utilities
18566 1046 296 10 Covad Communications
20115 1038 830 495 Charter Communications
1785 1008 479 107 AppliedTheory Corporation
6197 989 728 477 BellSouth Network Solutions,
174 968 6836 816 Cogent Communications

Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN

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

ASN No of nets /20 equiv MaxAgg Description
3292 395 1776 360 TDC Tele Danmark
8452 383 188 7 TEDATA
3301 341 1459 310 TeliaNet Sweden
3320 322 7045 267 Deutsche Telekom AG
8866 293 78 24 Bulgarian Telecommunication C
3215 277 2655 91 France Telecom Transpac
5462 275 666 26 Telewest Broadband
6746 263 127 241 Dynamic Network Technologies,
680 259 2046 258 DFN-IP service G-WiN
8708 254 421 245 Romania Data Systems S.A.

Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE

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

ASN No of nets /20 equiv MaxAgg Description
8151 1186 2449 220 UniNet S.A. de C.V.
11830 556 299 9 Instituto Costarricense de El
7303 452 220 60 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
11172 406 116 68 Servicios Alestra S.A de C.V
6471 395 85 39 ENTEL CHILE S.A.
10620 392 103 51 TVCABLE BOGOTA
14117 352 25 15 Telefonica del Sur S.A.
22047 322 270 14 VTR PUNTO NET S.A.
10481 310 152 10 Prima S.A.

Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC

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

ASN No of nets /20 equiv MaxAgg Description
24863 451 60 27 LINKdotNET AS number
3741 287 869 224 The Internet Solution
2018 254 265 126 Tertiary Education Network
20858 215 34 3 EgyNet
6713 143 135 11 Itissalat Al-MAGHRIB
33783 130 9 16 EEPAD TISP TELECOM & INTERNET
5536 121 8 16 Internet Egypt Network
33776 99 6 7 Starcomms Nigeria Limited
24835 89 48 7 RAYA Telecom - Egypt
29571 80 13 7 Ci Telecom Autonomous system

Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 1768 2992 85 bellsouth.net, inc.
23577 1644 34 703 Korea Telecom (ATM-MPLS)
4755 1612 386 85 Videsh Sanchar Nigam Ltd. Aut
7018 1413 5926 1000 AT&T WorldNet Services
2386 1390 657 850 AT&T Data Communications Serv
4323 1386 1028 367 Time Warner Telecom
11492 1216 146 23 Cable One
8151 1186 2449 220 UniNet S.A. de C.V.
9583 1151 140 16 Sify Limited
9498 1123 551 65 BHARTI BT INTERNET LTD.

Complete listing at http://thyme.apnic.net/current/data-ASnet

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

ASN No of nets Net Savings Description
4755 1612 1527 Videsh Sanchar Nigam Ltd. Aut
11492 1216 1193 Cable One
9583 1151 1135 Sify Limited
9498 1123 1058 BHARTI BT INTERNET LTD.
18566 1046 1036 Covad Communications
4323 1386 1019 Time Warner Telecom
8151 1186 966 UniNet S.A. de C.V.
17676 1018 952 Softbank BB Corp.
17488 1033 947 Hathway IP Over Cable Interne
23577 1644 941 Korea Telecom (ATM-MPLS)

Complete listing at http://thyme.apnic.net/current/data-CIDRnet

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

Bad AS Designation Network Transit AS Description
14780 UNALLOCATED 4.79.181.0/24 10310 Yahoo!
12180 UNALLOCATED 4.79.248.0/24 1239 Sprint
26478 UNALLOCATED 8.7.228.0/24 6461 AboveNet Communicati
12180 UNALLOCATED 8.10.16.0/24 3549 Global Crossing
12180 UNALLOCATED 8.10.58.0/23 3549 Global Crossing
14779 UNALLOCATED 8.12.144.0/24 10310 Yahoo!
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
22492 UNALLOCATED 12.2.46.0/24 1239 Sprint
14984 UNALLOCATED 12.2.192.0/24 7132 SBC Internet Service
15132 UNALLOCATED 12.9.150.0/24 701 UUNET Technologies,

Complete listing at http://thyme.apnic.net/current/data-badAS

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

Network Origin AS Description
24.51.159.0/24 7843 Adelphia Corp.
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.75.160.0/19 19548 Adelphia Business Solutions
24.75.192.0/18 19548 Adelphia Business Solutions
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
63.140.213.0/24 22555 Universal Talkware Corporatio

Complete listing at http://thyme.apnic.net/current/data-add-IANA

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 /11:40 /12:137
/13:277 /14:499 /15:996 /16:9788 /17:4286 /18:7287
/19:15266 /20:17486 /21:16712 /22:21210 /23:22361 /24:131209
/25:769 /26:946 /27:488 /28:107 /29:9 /30:1
/31:0 /32:8

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

ASN No of nets Total ann. Description
11492 1202 1216 Cable One
2386 1091 1390 AT&T Data Communications Serv
18566 1027 1046 Covad Communications
9583 987 1151 Sify Limited
4755 959 1612 Videsh Sanchar Nigam Ltd. Aut
7011 955 1073 Citizens Utilities
6478 933 934 AT&T Worldnet Services
17488 848 1033 Hathway IP Over Cable Interne
23577 813 1644 Korea Telecom (ATM-MPLS)
9498 796 1123 BHARTI BT INTERNET LTD.

Complete listing at http://thyme.apnic.net/current/data/sXXas-nos

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

4:9 8:102 11:1 12:1998 13:1 15:21
16:3 17:6 18:12 20:35 24:1046 25:1
32:59 33:4 38:406 40:95 41:621 44:2
47:8 52:3 55:3 56:3 57:22 58:514
59:427 60:422 61:983 62:1106 63:1963 64:3352
65:2360 66:3619 67:1064 68:661 69:2109 70:510
71:141 72:1521 73:6 74:886 75:222 76:275
77:626 78:528 79:120 80:884 81:848 82:611
83:364 84:549 85:943 86:388 87:632 88:309
89:1209 90:11 91:1119 92:235 93:141 96:18
97:16 98:100 99:3 116:568 117:278 118:77
119:350 121:470 122:722 123:298 124:803 125:1126
128:321 129:201 130:124 131:402 132:67 133:9
134:188 135:32 136:221 137:119 138:154 139:65
140:483 141:109 142:376 143:275 144:346 145:54
146:334 147:132 148:494 149:180 150:121 151:161
152:142 153:127 154:11 155:266 156:208 157:252
158:167 159:222 160:265 161:110 162:206 163:197
164:568 165:431 166:296 167:428 168:593 169:128
170:425 171:28 172:3 189:145 190:1530 192:5768
193:4100 194:3264 195:2380 196:1058 198:3762 199:3230
200:5498 201:1311 202:7535 203:7790 204:3998 205:2086
206:2414 207:2719 208:3206 209:3473 210:2524 211:1062
212:1288 213:1605 214:445 215:48 216:4228 217:1229
218:349 219:403 220:1056 221:403 222:313

End of report

cscora at apnic

Mar 28, 2008, 11:06 AM

Post #50 of 149 (7858 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 Mar, 2008

Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/

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

BGP routing table entries examined: 250362
Prefixes after maximum aggregation: 125916
Deaggregation factor: 1.99
Unique aggregates announced to Internet: 121576
Total ASes present in the Internet Routing Table: 27752
Prefixes per ASN: 9.02
Origin-only ASes present in the Internet Routing Table: 24169
Origin ASes announcing only one prefix: 11220
Transit ASes present in the Internet Routing Table: 3583
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: 18
Max AS path prepend of ASN (43380) 13
Prefixes from unregistered ASNs in the Routing Table: 25295
Unregistered ASNs in the Routing Table: 1915
Number of 32-bit ASNs allocated by the RIRs: 47
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: 855
Number of addresses announced to Internet: 1851948960
Equivalent to 110 /8s, 98 /16s and 127 /24s
Percentage of available address space announced: 50.0
Percentage of allocated address space announced: 61.4
Percentage of available address space allocated: 81.4
Percentage of address space in use by end-sites: 71.0
Total number of prefixes smaller than registry allocations: 119223

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

Prefixes being announced by APNIC Region ASes: 42339
Total APNIC prefixes after maximum aggregation: 13317
APNIC Deaggregation factor: 3.18
Prefixes being announced from the APNIC address blocks: 54523
Unique aggregates announced from the APNIC address blocks: 23244
APNIC Region origin ASes present in the Internet Routing Table: 1909
APNIC Prefixes per ASN: 28.56
APNIC Region origin ASes announcing only one prefix: 554
APNIC Region transit ASes present in the Internet Routing Table: 352
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 337576544
Equivalent to 20 /8s, 31 /16s and 2 /24s
Percentage of available APNIC address space announced: 77.4

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 114/8, 115/8, 116/8,
117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8,
124/8, 125/8, 126/8, 202/8, 203/8, 210/8, 211/8,
218/8, 219/8, 220/8, 221/8, 222/8,

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

Prefixes being announced by ARIN Region ASes: 106733
Total ARIN prefixes after maximum aggregation: 58780
ARIN Deaggregation factor: 1.82
Prefixes being announced from the ARIN address blocks: 85545
Unique aggregates announced from the ARIN address blocks: 33880
ARIN Region origin ASes present in the Internet Routing Table: 11657
ARIN Prefixes per ASN: 7.34
ARIN Region origin ASes announcing only one prefix: 4528
ARIN Region transit ASes present in the Internet Routing Table: 1042
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 360984448
Equivalent to 21 /8s, 132 /16s and 47 /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, 64/8, 65/8, 66/8, 67/8, 68/8,
69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8,
76/8, 96/8, 97/8, 98/8, 99/8, 173/8, 174/8,
199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
216/8,

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

Prefixes being announced by RIPE Region ASes: 53206
Total RIPE prefixes after maximum aggregation: 33043
RIPE Deaggregation factor: 1.61
Prefixes being announced from the RIPE address blocks: 48775
Unique aggregates announced from the RIPE address blocks: 32684
RIPE Region origin ASes present in the Internet Routing Table: 11085
RIPE Prefixes per ASN: 4.40
RIPE Region origin ASes announcing only one prefix: 5781
RIPE Region transit ASes present in the Internet Routing Table: 1703
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 350432384
Equivalent to 20 /8s, 227 /16s and 44 /24s
Percentage of available RIPE address space announced: 80.3

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
40960-45055
RIPE Address Blocks 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 19204
Total LACNIC prefixes after maximum aggregation: 4812
LACNIC Deaggregation factor: 3.99
Prefixes being announced from the LACNIC address blocks: 17548
Unique aggregates announced from the LACNIC address blocks: 9612
LACNIC Region origin ASes present in the Internet Routing Table: 883
LACNIC Prefixes per ASN: 19.87
LACNIC Region origin ASes announcing only one prefix: 277
LACNIC Region transit ASes present in the Internet Routing Table: 154
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 16
Number of LACNIC addresses announced to Internet: 49885696
Equivalent to 2 /8s, 249 /16s and 50 /24s
Percentage of available LACNIC address space announced: 49.6

LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 186/8, 187/8, 189/8, 190/8, 200/8, 201/8,

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

Prefixes being announced by AfriNIC Region ASes: 3584
Total AfriNIC prefixes after maximum aggregation: 1124
AfriNIC Deaggregation factor: 3.19
Prefixes being announced from the AfriNIC address blocks: 3987
Unique aggregates announced from the AfriNIC address blocks: 1808
AfriNIC Region origin ASes present in the Internet Routing Table: 234
AfriNIC Prefixes per ASN: 17.04
AfriNIC Region origin ASes announcing only one prefix: 80
AfriNIC Region transit ASes present in the Internet Routing Table: 45
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 10167552
Equivalent to 0 /8s, 155 /16s and 37 /24s
Percentage of available AfriNIC address space announced: 30.3

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
4755 1619 387 87 Videsh Sanchar Nigam Ltd. Aut
9583 1152 140 16 Sify Limited
9498 1129 550 63 BHARTI BT INTERNET LTD.
17488 1045 67 83 Hathway IP Over Cable Interne
4134 859 12487 319 CHINANET-BACKBONE
4766 850 6005 341 Korea Telecom (KIX)
18101 673 126 52 Reliance Infocom Ltd Internet
9829 586 450 12 BSNL National Internet Backbo
4812 562 969 92 China Telecom (Shanghai)
1221 542 1950 418 Telstra Pty Ltd

Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC

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

ASN No of nets /20 equiv MaxAgg Description
7018 1427 5927 1009 AT&T WorldNet Services
2386 1399 658 851 AT&T Data Communications Serv
4323 1396 1028 368 Time Warner Telecom
11492 1219 147 23 Cable One
7011 1082 315 615 Citizens Utilities
18566 1046 296 10 Covad Communications
1785 1007 479 107 AppliedTheory Corporation
6197 989 728 477 BellSouth Network Solutions,
174 966 6834 812 Cogent Communications
20115 915 859 508 Charter Communications

Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN

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

ASN No of nets /20 equiv MaxAgg Description
3292 398 1777 362 TDC Tele Danmark
8452 358 188 7 TEDATA
3301 341 1459 310 TeliaNet Sweden
3320 322 7045 267 Deutsche Telekom AG
8866 293 78 24 Bulgarian Telecommunication C
5462 292 666 26 Telewest Broadband
3215 278 2671 91 France Telecom Transpac
6746 264 127 242 Dynamic Network Technologies,
680 259 2046 258 DFN-IP service G-WiN
9155 254 46 11 QualityNet AS number

Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE

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

ASN No of nets /20 equiv MaxAgg Description
8151 1187 2448 222 UniNet S.A. de C.V.
11830 555 299 9 Instituto Costarricense de El
7303 452 220 60 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
11172 410 117 69 Servicios Alestra S.A de C.V
6471 396 85 39 ENTEL CHILE S.A.
10620 396 104 50 TVCABLE BOGOTA
14117 352 25 15 Telefonica del Sur S.A.
22047 322 270 14 VTR PUNTO NET S.A.
10481 310 152 10 Prima S.A.

Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC

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

ASN No of nets /20 equiv MaxAgg Description
24863 452 60 27 LINKdotNET AS number
3741 287 869 223 The Internet Solution
2018 258 276 112 Tertiary Education Network
20858 183 34 3 EgyNet
6713 143 135 11 Itissalat Al-MAGHRIB
33783 130 9 16 EEPAD TISP TELECOM & INTERNET
5536 121 8 16 Internet Egypt Network
33776 99 6 7 Starcomms Nigeria Limited
24835 89 48 7 RAYA Telecom - Egypt
2905 83 176 74 The Internetworking Company o

Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 1914 3009 94 bellsouth.net, inc.
23577 1634 34 699 Korea Telecom (ATM-MPLS)
4755 1619 387 87 Videsh Sanchar Nigam Ltd. Aut
7018 1427 5927 1009 AT&T WorldNet Services
2386 1399 658 851 AT&T Data Communications Serv
4323 1396 1028 368 Time Warner Telecom
11492 1219 147 23 Cable One
8151 1187 2448 222 UniNet S.A. de C.V.
9583 1152 140 16 Sify Limited
9498 1129 550 63 BHARTI BT INTERNET LTD.

Complete listing at http://thyme.apnic.net/current/data-ASnet

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

ASN No of nets Net Savings Description
4755 1619 1532 Videsh Sanchar Nigam Ltd. Aut
11492 1219 1196 Cable One
9583 1152 1136 Sify Limited
9498 1129 1066 BHARTI BT INTERNET LTD.
18566 1046 1036 Covad Communications
4323 1396 1028 Time Warner Telecom
8151 1187 965 UniNet S.A. de C.V.
17488 1045 962 Hathway IP Over Cable Interne
17676 1018 952 Softbank BB Corp.
23577 1634 935 Korea Telecom (ATM-MPLS)

Complete listing at http://thyme.apnic.net/current/data-CIDRnet

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

Bad AS Designation Network Transit AS Description
14780 UNALLOCATED 4.79.181.0/24 10310 Yahoo!
12180 UNALLOCATED 4.79.248.0/24 1239 Sprint
26478 UNALLOCATED 8.7.228.0/24 6461 AboveNet Communicati
12180 UNALLOCATED 8.10.16.0/24 3549 Global Crossing
12180 UNALLOCATED 8.10.58.0/23 3549 Global Crossing
14779 UNALLOCATED 8.12.144.0/24 10310 Yahoo!
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
22492 UNALLOCATED 12.2.46.0/24 1239 Sprint
14984 UNALLOCATED 12.2.192.0/24 7132 SBC Internet Service
15132 UNALLOCATED 12.9.150.0/24 701 UUNET Technologies,

Complete listing at http://thyme.apnic.net/current/data-badAS

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

Network Origin AS Description
24.51.159.0/24 7843 Adelphia Corp.
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.75.160.0/19 7843 Adelphia Corp.
24.75.192.0/18 7843 Adelphia Corp.
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
63.140.213.0/24 22555 Universal Talkware Corporatio

Complete listing at http://thyme.apnic.net/current/data-add-IANA

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 /11:41 /12:137
/13:277 /14:499 /15:997 /16:9813 /17:4312 /18:7285
/19:15269 /20:17525 /21:16771 /22:21294 /23:22327 /24:131495
/25:775 /26:894 /27:483 /28:106 /29:9 /30:1
/31:0 /32:8

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

ASN No of nets Total ann. Description
11492 1205 1219 Cable One
2386 1099 1399 AT&T Data Communications Serv
18566 1027 1046 Covad Communications
9583 987 1152 Sify Limited
7011 964 1082 Citizens Utilities
4755 962 1619 Videsh Sanchar Nigam Ltd. Aut
6478 893 894 AT&T Worldnet Services
17488 860 1045 Hathway IP Over Cable Interne
23577 808 1634 Korea Telecom (ATM-MPLS)
9498 804 1129 BHARTI BT INTERNET LTD.

Complete listing at http://thyme.apnic.net/current/data/sXXas-nos

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

4:9 8:102 12:1998 13:1 15:20 16:3
17:6 18:13 20:35 24:1046 25:1 32:60
33:4 38:407 40:95 41:634 44:2 47:8
52:3 55:3 56:3 57:22 58:513 59:423
60:423 61:987 62:1087 63:1957 64:3360 65:2370
66:3607 67:1092 68:654 69:2110 70:541 71:127
72:1540 73:6 74:899 75:221 76:284 77:617
78:543 79:111 80:892 81:831 82:607 83:370
84:522 85:943 86:388 87:628 88:322 89:1207
90:11 91:1126 92:238 93:166 96:19 97:16
98:108 99:3 116:582 117:280 118:102 119:380
121:465 122:719 123:303 124:834 125:1125 128:325
129:198 130:124 131:405 132:69 133:9 134:188
135:32 136:222 137:119 138:155 139:65 140:483
141:110 142:380 143:279 144:347 145:54 146:338
147:133 148:496 149:180 150:121 151:159 152:142
153:127 154:11 155:266 156:207 157:254 158:167
159:223 160:245 161:110 162:206 163:219 164:572
165:433 166:296 167:314 168:594 169:130 170:426
171:28 172:3 189:165 190:1582 192:5769 193:4089
194:3259 195:2379 196:1075 198:3761 199:3235 200:5519
201:1322 202:7543 203:7774 204:3986 205:2111 206:2413
207:2721 208:3223 209:3472 210:2525 211:1033 212:1326
213:1610 214:453 215:48 216:4278 217:1197 218:349
219:404 220:1062 221:402 222:312

End of report

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