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Weekly Routing Table Report
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats at lists.apnic.net
For a graphical representation, please see http://www.apnic.net/stats/bgp.
If you have any comments please contact Philip Smith <pfs at cisco.com>.
Routing Table Report 20:00 +10GMT Fri 21 Feb, 2003
Analysis Summary
----------------
BGP routing table entries examined: 121899
Prefixes after maximum aggregation: 77243
Unique aggregates announced to Internet: 57876
Total ASes present in the Internet Routing Table: 14677
Origin-only ASes present in the Internet Routing Table: 12744
Origin ASes announcing only one prefix: 5744
Transit ASes present in the Internet Routing Table: 1933
Transit-only ASes present in the Internet Routing Table: 68
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 17
Illegal AS announcements present in the Routing Table: 15
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 22
Number of addresses announced to Internet: 1180750605
Equivalent to 70 /8s, 96 /16s and 211 /24s
Percentage of available address space announced: 31.9
Percentage of allocated address space announced: 57.4
Percentage of available address space allocated: 55.5
Total number of prefixes smaller than registry allocations: 57147
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 20864
Total APNIC prefixes after maximum aggregation: 11953
Prefixes being announced from the APNIC address blocks: 19439
Unique aggregates announced from the APNIC address blocks: 11648
APNIC Region origin ASes present in the Internet Routing Table: 1733
APNIC Region origin ASes announcing only one prefix: 514
APNIC Region transit ASes present in the Internet Routing Table: 297
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 106346656
Equivalent to 6 /8s, 86 /16s and 184 /24s
Percentage of available APNIC address space announced: 56.4
APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239
17408 - 18431, 23552 - 24575
APNIC Address Blocks 61/8, 202/7, 210/7, 218/7 and 220/6
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 74699
Total ARIN prefixes after maximum aggregation: 47581
Prefixes being announced from the ARIN address blocks: 52941
Unique aggregates announced from the ARIN address blocks: 16499
ARIN Region origin ASes present in the Internet Routing Table: 8175
ARIN Region origin ASes announcing only one prefix: 2763
ARIN Region transit ASes present in the Internet Routing Table: 772
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 187330496
Equivalent to 11 /8s, 42 /16s and 111 /24s
Percentage of available ARIN address space announced: 69.8
ARIN AS Blocks 1 - 1876, 1902 - 2042, 2044 - 2046, 2048 - 2106
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
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 199/8, 204/6, 208/7
and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 21019
Total RIPE prefixes after maximum aggregation: 15497
Prefixes being announced from the RIPE address blocks: 17563
Unique aggregates announced from the RIPE address blocks: 11011
RIPE Region origin ASes present in the Internet Routing Table: 4376
RIPE Region origin ASes announcing only one prefix: 2383
RIPE Region transit ASes present in the Internet Routing Table: 781
Average RIPE Region AS path length visible: 5.7
Max RIPE Region AS path length visible: 17
Number of RIPE addresses announced to Internet: 126153344
Equivalent to 7 /8s, 132 /16s and 242 /24s
Percentage of available RIPE address space announced: 75.2
RIPE AS Blocks 1877 - 1901, 2043, 2047, 2107 - 2136, 2585 - 2614
2773 - 2822, 2830 - 2879, 3154 - 3353, 5377 - 5631
6656 - 6911, 8192 - 9215, 12288 - 13311, 15360 - 16383
20480 - 21503, 24576 - 25599, 28672 - 29695
RIPE Address Blocks 62/8, 80/7, 82/8, 188/8, 193/8, 194/7,
212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 5303
Total LACNIC prefixes after maximum aggregation: 2212
Prefixes being announced from the LACNIC address blocks: 4647
Unique aggregates announced from the LACNIC address blocks: 3028
LACNIC Region origin ASes present in the Internet Routing Table: 329
LACNIC Region origin ASes announcing only one prefix: 84
LACNIC Region transit ASes present in the Internet Routing Table: 68
Average LACNIC Region AS path length visible: 5.8
Max LACNIC Region AS path length visible: 10
Number of LACNIC addresses announced to Internet: 12042752
Equivalent to 0 /8s, 183 /16s and 194 /24s
Percentage of available LACNIC address space announced: 71.8
LACNIC AS Blocks 26592 - 26623, 27648 - 28671
LACNIC Address Blocks 200/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1221 1113 1135 815 Telstra Pty Ltd
4663 526 82 24 ELIMNET, INC
703 410 368 320 UUNET
2907 394 1994 372 SINET Japan
17557 340 24 128 Pakistan Telecom
2764 326 340 293 connect.com.au pty ltd
7474 305 276 208 Optus Communications Pty Ltd
4134 304 2651 100 Data Communications Bureau
4814 261 79 15 China Telecom (Group)
3786 241 773 207 DACOM Corporation
4755 232 133 74 Videsh Sanchar Nigam Ltd. Aut
17676 229 3526 24 XTAGE CORPORATION
9583 218 33 13 Satyam Infoway Ltd.,
4766 202 2073 149 Korea Internet Exchange for "
9443 180 57 76 Primus Telecommunications
9800 166 205 41 CHINA UNICOM
4765 150 9 14 World Net & Services Co., Ltd
9238 132 8 19 TATA ISP
4716 129 737 123 TTnet
4739 128 57 116 Commerical Internet eXchange
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1595 8889 1153 UUNET Technologies, Inc.
7018 1427 7151 965 AT&T
3908 1207 1587 473 Supernet, Inc.
1239 967 3118 682 Sprint
1 668 8084 432 GENUITY
852 605 1107 445 Telus Advanced Communications
7046 578 828 245 UUNET Technologies, Inc.
7843 570 402 209 Adelphia Corp.
4323 530 473 169 Time Warner Communications, I
209 525 2106 334 Qwest
4151 524 691 57 USDA
690 498 73 308 Merit Network
7066 493 204 254 Virginia Polytechnic Institut
18566 482 113 6 Covad Communications
6197 478 555 114 BellSouth Network Solutions,
3561 466 2322 326 Cable & Wireless USA
376 462 375 111 Reseau Interordinateurs Scien
705 448 165 195 UUNET Technologies, Inc.
2386 443 471 236 AT&T Data Communications Serv
6198 431 193 200 BellSouth Network Solutions,
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 790 2247 652 UUNET - Commercial IP service
3301 315 1143 303 TeliaNet Sweden
3215 312 818 171 France Telecom Transpac
3320 263 1996 227 Deutsche Telekom AG
680 232 2054 229 DFN-IP service G-WiN
1257 218 369 199 SWIPnet Swedish IP Network
719 201 306 128 LANLINK autonomous system
5515 187 779 161 Sonera Solution Autonomous Sy
786 179 1874 179 The JANET IP Service
5400 160 69 95 BT Ignite European Backbone
8708 149 42 147 Romania Data Systems S.A.
20858 147 17 3 This AS will be used to conne
3303 144 517 143 Swisscom Ltd
12302 124 18 31 MobiFon S.A.
8220 122 174 113 COLT Internet - International
2856 120 1299 110 BTnet UK Regional network
3269 111 751 61 TELECOM ITALIA
3233 108 11 12 RNC - Romanian Natioanal R&D
3246 105 358 102 Song Networks
3352 100 652 29 Ibernet, Internet Access Netw
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 283 98 104 ImpSat
7303 240 36 49 Telecom Argentina Stet-France
8151 210 332 115 UniNet S.A. de C.V.
11172 161 82 33 Servicios Alestra S.A de C.V
6503 157 191 110 AVANTEL, S.A.
16814 139 9 18 NSS, S.A.
13999 127 36 8 Mega Cable S.A. de C.V.
11340 110 3 38 Red Universitaria Nacional
10620 107 7 31 TVCABLE BOGOTA
6147 74 62 21 Telefonica Del Peru
8065 74 6 19 Empresas Publicas de Medellin
1916 73 306 44 Fundacao de Amparo a Pesquisa
6535 72 5 23 Chilesat Servicios Empresari
15311 71 27 36 Telefonica Empresas
4270 69 18 10 Red de Interconexion Universi
11992 69 7 30 Integrated Systems
7927 65 5 40 Global One Venezuela
7080 64 4 1 Electronica y Comunicaciones
7984 61 11 40 Global One Colombia
11830 60 4 21 Instituto Costarricense de El
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
3908 1207 734 Supernet, Inc.
4663 526 502 ELIMNET, INC
18566 482 476 Covad Communications
4151 524 467 USDA
7018 1427 462 AT&T
6197 478 364 BellSouth Network Solutions,
7843 570 361 Adelphia Corp.
4323 530 361 Time Warner Communications, I
376 462 351 Reseau Interordinateurs Scien
7046 578 333 UUNET Technologies, Inc.
11492 308 307 Cable One
1221 1113 298 Telstra Pty Ltd
6347 370 291 SAVVIS Communications Corpora
4355 402 290 EarthLink, Inc.
1239 967 285 Sprint
22927 295 281 TELEFONICA DE ARGENTINA
705 448 253 UUNET Technologies, Inc.
4814 261 246 China Telecom (Group)
7066 493 239 Virginia Polytechnic Institut
1 668 236 GENUITY
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
64512 PRIVATE 66.205.199.0/24 25752 Neopolitan Networks
64520 PRIVATE 158.15.0.0/16 721 DLA Systems Automati
1877 UNALLOCATED 192.108.199.0/24 1880 Stupi, house man's p
64521 PRIVATE 198.189.23.0/24 2151 California State Uni
64521 PRIVATE 198.189.24.0/24 2151 California State Uni
64524 PRIVATE 198.189.134.0/24 2151 California State Uni
64524 PRIVATE 198.189.135.0/24 2151 California State Uni
64524 PRIVATE 198.189.136.0/24 2151 California State Uni
64524 PRIVATE 198.189.137.0/24 2151 California State Uni
64524 PRIVATE 198.189.138.0/24 2151 California State Uni
64521 PRIVATE 198.189.158.0/24 2151 California State Uni
64521 PRIVATE 198.189.235.0/24 2151 California State Uni
64521 PRIVATE 198.189.236.0/24 2151 California State Uni
65520 PRIVATE 202.36.16.0/21 9889 Web InterNet, ISP
65520 PRIVATE 202.36.24.0/22 9889 Web InterNet, ISP
Advertised Unregistered Addresses
---------------------------------
Network Origin AS Description
39.0.0.0/8 4554 Exchange Point Blocks
132.0.0.0/10 568 DISO-UNRRA
135.0.0.0/13 10455 Lucent Technologies
137.0.0.0/13 568 DISO-UNRRA
158.0.0.0/13 568 DISO-UNRRA
192.31.242.0/24 771 NASA Ames Research Center
192.44.0.0/19 702 UUNET - Commercial IP service
192.83.16.0/20 5515 Sonera Solution Autonomous Sy
192.83.32.0/19 5515 Sonera Solution Autonomous Sy
192.83.96.0/22 5515 Sonera Solution Autonomous Sy
192.83.100.0/24 5515 Sonera Solution Autonomous Sy
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T
192.136.79.0/24 719 LANLINK autonomous system
192.136.86.0/24 719 LANLINK autonomous system
192.136.87.0/24 719 LANLINK autonomous system
192.136.88.0/24 719 LANLINK autonomous system
192.139.62.0/24 6539 GT Group Telecom Services Cor
192.153.136.0/21 568 DISO-UNRRA
192.156.164.0/24 19548 Adelphia Business Solutions
192.172.0.0/19 568 DISO-UNRRA
192.243.36.0/23 2044 AUSNet, Inc.
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:17 /9:3 /10:8 /11:12 /12:44
/13:93 /14:238 /15:445 /16:7340 /17:1585 /18:2885
/19:8142 /20:8032 /21:5770 /22:8749 /23:10481 /24:66824
/25:286 /26:415 /27:101 /28:97 /29:61 /30:174
/31:2 /32:95
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 779 1207 Supernet, Inc.
7018 525 1427 AT&T
702 494 790 UUNET - Commercial IP service
4663 482 526 ELIMNET, INC
18566 477 482 Covad Communications
701 453 1595 UUNET Technologies, Inc.
690 447 498 Merit Network
7066 392 493 Virginia Polytechnic Institut
1239 361 967 Sprint
6197 353 478 BellSouth Network Solutions,
7843 340 570 Adelphia Corp.
6198 339 431 BellSouth Network Solutions,
11492 307 308 Cable One
22927 294 295 TELEFONICA DE ARGENTINA
7046 280 578 UUNET Technologies, Inc.
6140 271 283 ImpSat
20115 271 396 Charter Communications
2386 240 443 AT&T Data Communications Serv
7303 239 240 Telecom Argentina Stet-France
3215 238 312 France Telecom Transpac
Number of /24s announced per /8 block (Global)
----------------------------------------------
12:644 13:1 15:4 17:2 20:9 24:834
25:1 32:83 34:1 38:42 40:18 44:2
55:1 57:15 61:452 62:505 63:1903 64:1384
65:1864 66:1419 67:213 68:288 69:51 80:324
81:88 128:146 129:187 130:40 131:81 132:13
133:2 134:144 135:4 136:193 137:117 138:104
139:72 140:102 141:110 142:94 143:46 144:107
145:18 146:262 147:85 148:267 149:74 150:44
151:95 152:252 153:51 154:3 155:106 156:41
157:39 158:123 159:141 160:34 161:55 162:135
163:83 164:269 165:138 166:81 167:305 168:393
169:54 170:304 171:8 192:5289 193:2427 194:2006
195:958 196:458 198:3593 199:3199 200:2879 202:3636
203:5094 204:3019 205:2030 206:2396 207:2390 208:2697
209:2791 210:781 211:373 212:952 213:723 214:21
215:21 216:3184 217:595 218:78 219:14 220:50
End of report
-----
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