[rtma] Weekly Routing Table Report
Routing Table Analysis
cscora at thyme.apnic.net
Fri Feb 14 05:05:24 EST 2003
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 14 Feb, 2003
Analysis Summary
----------------
BGP routing table entries examined: 121004
Prefixes after maximum aggregation: 77156
Unique aggregates announced to Internet: 58398
Total ASes present in the Internet Routing Table: 14617
Origin-only ASes present in the Internet Routing Table: 12687
Origin ASes announcing only one prefix: 5724
Transit ASes present in the Internet Routing Table: 1930
Transit-only ASes present in the Internet Routing Table: 67
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 17
Illegal AS announcements present in the Routing Table: 13
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: 1194127693
Equivalent to 71 /8s, 44 /16s and 241 /24s
Percentage of available address space announced: 32.2
Percentage of allocated address space announced: 58.1
Percentage of available address space allocated: 55.5
Total number of prefixes smaller than registry allocations: 56285
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 20422
Total APNIC prefixes after maximum aggregation: 12035
Prefixes being announced from the APNIC address blocks: 18925
Unique aggregates announced from the APNIC address blocks: 11584
APNIC Region origin ASes present in the Internet Routing Table: 1726
APNIC Region origin ASes announcing only one prefix: 517
APNIC Region transit ASes present in the Internet Routing Table: 294
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 105928352
Equivalent to 6 /8s, 80 /16s and 86 /24s
Percentage of available APNIC address space announced: 56.2
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: 74448
Total ARIN prefixes after maximum aggregation: 47522
Prefixes being announced from the ARIN address blocks: 52808
Unique aggregates announced from the ARIN address blocks: 16484
ARIN Region origin ASes present in the Internet Routing Table: 8142
ARIN Region origin ASes announcing only one prefix: 2750
ARIN Region transit ASes present in the Internet Routing Table: 767
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 187000768
Equivalent to 11 /8s, 37 /16s and 103 /24s
Percentage of available ARIN address space announced: 69.7
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: 20846
Total RIPE prefixes after maximum aggregation: 15398
Prefixes being announced from the RIPE address blocks: 17471
Unique aggregates announced from the RIPE address blocks: 11644
RIPE Region origin ASes present in the Internet Routing Table: 4357
RIPE Region origin ASes announcing only one prefix: 2374
RIPE Region transit ASes present in the Internet Routing Table: 785
Average RIPE Region AS path length visible: 5.7
Max RIPE Region AS path length visible: 17
Number of RIPE addresses announced to Internet: 123889088
Equivalent to 7 /8s, 98 /16s and 101 /24s
Percentage of available RIPE address space announced: 73.8
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: 5276
Total LACNIC prefixes after maximum aggregation: 2201
Prefixes being announced from the LACNIC address blocks: 4609
Unique aggregates announced from the LACNIC address blocks: 2980
LACNIC Region origin ASes present in the Internet Routing Table: 329
LACNIC Region origin ASes announcing only one prefix: 83
LACNIC Region transit ASes present in the Internet Routing Table: 68
Average LACNIC Region AS path length visible: 5.7
Max LACNIC Region AS path length visible: 10
Number of LACNIC addresses announced to Internet: 12020224
Equivalent to 0 /8s, 183 /16s and 106 /24s
Percentage of available LACNIC address space announced: 71.6
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 1118 1166 815 Telstra Pty Ltd
703 412 368 322 UUNET
2907 393 1993 370 SINET Japan
17557 339 24 130 Pakistan Telecom
2764 329 340 296 connect.com.au pty ltd
4134 306 2661 102 Data Communications Bureau
7474 303 276 210 Optus Communications Pty Ltd
4814 261 79 15 China Telecom (Group)
3786 242 775 208 DACOM Corporation
4755 233 117 73 Videsh Sanchar Nigam Ltd. Aut
17676 226 3509 24 XTAGE CORPORATION
9583 215 33 13 Satyam Infoway Ltd.,
4766 203 2071 150 Korea Internet Exchange for "
9443 185 57 76 Primus Telecommunications
9800 167 205 41 CHINA UNICOM
4765 148 9 14 World Net & Services Co., Ltd
9238 131 8 18 TATA ISP
4716 129 737 123 TTnet
9768 128 384 64 Korea Telecom
4739 125 57 114 Commerical Internet eXchange
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1577 8932 1163 UUNET Technologies, Inc.
7018 1423 7110 965 AT&T
3908 1215 1605 482 Supernet, Inc.
1239 961 3150 675 Sprint
1 668 8093 433 GENUITY
852 607 1107 446 Telus Advanced Communications
7843 571 401 213 Adelphia Corp.
7046 566 827 243 UUNET Technologies, Inc.
209 529 2108 333 Qwest
4323 529 472 168 Time Warner Communications, I
4151 523 691 59 USDA
690 498 73 308 Merit Network
7066 491 204 254 Virginia Polytechnic Institut
6197 476 555 113 BellSouth Network Solutions,
18566 476 114 7 Covad Communications
3561 466 2322 329 Cable & Wireless USA
705 446 166 195 UUNET Technologies, Inc.
2386 437 470 228 AT&T Data Communications Serv
6198 432 193 199 BellSouth Network Solutions,
4355 396 308 112 EarthLink, Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 796 2282 660 UUNET - Commercial IP service
3301 313 1141 301 TeliaNet Sweden
3215 311 818 172 France Telecom Transpac
3320 264 1996 227 Deutsche Telekom AG
680 232 2054 229 DFN-IP service G-WiN
1257 214 385 198 SWIPnet Swedish IP Network
5515 208 783 172 Sonera Solution Autonomous Sy
719 202 306 129 LANLINK autonomous system
786 179 1874 179 The JANET IP Service
5400 158 69 95 BT Ignite European Backbone
8708 150 42 148 Romania Data Systems S.A.
20858 147 17 3 This AS will be used to conne
3303 144 517 143 Swisscom Ltd
8220 123 174 114 COLT Internet - International
12302 123 18 30 MobiFon S.A.
2856 121 1299 111 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
5511 101 177 80 France Telecom
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 285 98 104 ImpSat
7303 232 36 49 Telecom Argentina Stet-France
8151 209 332 115 UniNet S.A. de C.V.
11172 161 82 33 Servicios Alestra S.A de C.V
6503 156 191 109 AVANTEL, S.A.
16814 140 9 14 NSS, S.A.
13999 127 36 8 Mega Cable S.A. de C.V.
10620 107 7 31 TVCABLE BOGOTA
11340 101 2 35 Red Universitaria Nacional
6147 84 62 21 Telefonica Del Peru
1916 73 306 44 Fundacao de Amparo a Pesquisa
6535 71 4 22 Chilesat Servicios Empresari
15311 71 27 36 Telefonica Empresas
4270 69 18 10 Red de Interconexion Universi
8065 69 6 15 Empresas Publicas de Medellin
11992 69 7 30 Integrated Systems
7080 64 4 1 Electronica y Comunicaciones
7984 61 11 40 Global One Colombia
11830 60 4 21 Instituto Costarricense de El
15034 60 5 31 TIBA SA
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
3908 1215 733 Supernet, Inc.
18566 476 469 Covad Communications
4151 523 464 USDA
7018 1423 458 AT&T
6197 476 363 BellSouth Network Solutions,
4323 529 361 Time Warner Communications, I
7843 571 358 Adelphia Corp.
7046 566 323 UUNET Technologies, Inc.
1221 1118 303 Telstra Pty Ltd
11492 304 303 Cable One
6347 369 290 SAVVIS Communications Corpora
1239 961 286 Sprint
4355 396 284 EarthLink, Inc.
22927 295 281 TELEFONICA DE ARGENTINA
705 446 251 UUNET Technologies, Inc.
4814 261 246 China Telecom (Group)
7066 491 237 Virginia Polytechnic Institut
1 668 235 GENUITY
6198 432 233 BellSouth Network Solutions,
376 339 225 Reseau Interordinateurs Scien
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
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
65000 PRIVATE 210.90.54.0/25 9768 Korea Telecom
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 /14:240 /15:446 /16:7336 /17:1577 /18:2864
/19:8111 /20:8010 /21:5732 /22:8721 /23:10433 /24:66633
/25:170 /26:170 /27:94 /28:83 /29:58 /30:102
/31:2 /32:45
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 792 1215 Supernet, Inc.
7018 523 1423 AT&T
702 492 796 UUNET - Commercial IP service
18566 471 476 Covad Communications
690 447 498 Merit Network
701 424 1577 UUNET Technologies, Inc.
7066 390 491 Virginia Polytechnic Institut
1239 355 961 Sprint
6197 352 476 BellSouth Network Solutions,
7843 341 571 Adelphia Corp.
6198 340 432 BellSouth Network Solutions,
11492 303 304 Cable One
22927 294 295 TELEFONICA DE ARGENTINA
6140 273 285 ImpSat
7046 266 566 UUNET Technologies, Inc.
20115 240 363 Charter Communications
2386 237 437 AT&T Data Communications Serv
3215 237 311 France Telecom Transpac
7303 231 232 Telecom Argentina Stet-France
209 227 529 Qwest
Number of /24s announced per /8 block (Global)
----------------------------------------------
12:643 13:1 15:4 17:2 20:9 24:795
25:1 32:82 34:1 38:41 40:19 44:2
55:1 57:15 61:476 62:496 63:1907 64:1383
65:1854 66:1407 67:214 68:276 69:47 80:317
81:87 128:143 129:178 130:40 131:73 132:11
133:2 134:144 135:4 136:194 137:116 138:103
139:70 140:130 141:109 142:93 143:44 144:103
145:17 146:262 147:84 148:266 149:74 150:42
151:96 152:252 153:44 154:3 155:105 156:42
157:41 158:122 159:138 160:33 161:54 162:134
163:89 164:264 165:140 166:81 167:306 168:392
169:57 170:298 171:8 192:5327 193:2421 194:2002
195:943 196:456 198:3604 199:3211 200:2839 202:3637
203:5071 204:3018 205:2051 206:2403 207:2402 208:2688
209:2767 210:729 211:318 212:954 213:720 214:21
215:22 216:3220 217:586 218:79 219:14 220:49
End of report
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