[rtma] Weekly Routing Table Report
Routing Table Analysis
cscora at thyme.apnic.net
Fri Dec 20 05:05:15 EST 2002
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 20 Dec, 2002
Analysis Summary
----------------
BGP routing table entries examined: 118418
Prefixes after maximum aggregation: 75830
Unique aggregates announced to Internet: 56609
Total ASes present in the Internet Routing Table: 14265
Origin-only ASes present in the Internet Routing Table: 12371
Origin ASes announcing only one prefix: 5597
Transit ASes present in the Internet Routing Table: 1894
Transit-only ASes present in the Internet Routing Table: 60
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: 9
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 34
Number of addresses announced to Internet: 1187210537
Equivalent to 70 /8s, 195 /16s and 101 /24s
Percentage of available address space announced: 32.0
Percentage of allocated address space announced: 58.7
Percentage of available address space allocated: 54.6
Total number of prefixes smaller than registry allocations: 54686
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 19430
Total APNIC prefixes after maximum aggregation: 11540
Prefixes being announced from the APNIC address blocks: 17967
Unique aggregates announced from the APNIC address blocks: 11201
APNIC Region origin ASes present in the Internet Routing Table: 1662
APNIC Region origin ASes announcing only one prefix: 527
APNIC Region transit ASes present in the Internet Routing Table: 288
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 12
Number of APNIC addresses announced to Internet: 101758880
Equivalent to 6 /8s, 16 /16s and 183 /24s
Percentage of available APNIC address space announced: 66.9
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 220/7
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 73660
Total ARIN prefixes after maximum aggregation: 46927
Prefixes being announced from the ARIN address blocks: 51249
Unique aggregates announced from the ARIN address blocks: 15643
ARIN Region origin ASes present in the Internet Routing Table: 8003
ARIN Region origin ASes announcing only one prefix: 2701
ARIN Region transit ASes present in the Internet Routing Table: 751
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 184506096
Equivalent to 10 /8s, 255 /16s and 86 /24s
Percentage of available ARIN address space announced: 68.7
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: 20262
Total RIPE prefixes after maximum aggregation: 15178
Prefixes being announced from the RIPE address blocks: 16898
Unique aggregates announced from the RIPE address blocks: 11295
RIPE Region origin ASes present in the Internet Routing Table: 4219
RIPE Region origin ASes announcing only one prefix: 2287
RIPE Region transit ASes present in the Internet Routing Table: 776
Average RIPE Region AS path length visible: 5.7
Max RIPE Region AS path length visible: 17
Number of RIPE addresses announced to Internet: 121686144
Equivalent to 7 /8s, 64 /16s and 200 /24s
Percentage of available RIPE address space announced: 80.6
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, 193/8, 194/7, 212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 5059
Total LACNIC prefixes after maximum aggregation: 2185
Prefixes being announced from the LACNIC address blocks: 4391
Unique aggregates announced from the LACNIC address blocks: 2837
LACNIC Region origin ASes present in the Internet Routing Table: 324
LACNIC Region origin ASes announcing only one prefix: 82
LACNIC Region transit ASes present in the Internet Routing Table: 70
Average LACNIC Region AS path length visible: 5.7
Max LACNIC Region AS path length visible: 11
Number of LACNIC addresses announced to Internet: 11704576
Equivalent to 0 /8s, 178 /16s and 153 /24s
Percentage of available LACNIC address space announced: 69.8
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 1144 1183 828 Telstra Pty Ltd
703 396 364 312 UUNET
2907 357 1768 335 SINET Japan
2764 341 341 309 connect.com.au pty ltd
17557 315 23 124 Pakistan Telecom
7474 310 281 205 Optus Communications Pty Ltd
4134 293 2384 89 Data Communications Bureau
4755 249 135 72 Videsh Sanchar Nigam Ltd. Aut
4814 249 79 15 China Telecom (Group)
4766 233 1808 161 Korea Internet Exchange for "
17676 230 3602 27 XTAGE CORPORATION
9583 193 33 12 Satyam Infoway Ltd.,
9443 187 57 76 Primus Telecommunications
9800 149 194 43 CHINA UNICOM
4716 129 723 123 TTnet
7657 128 26 91 The Internet Group Limited
9768 128 384 63 Korea Telecom
4621 122 11 65 UNINET-TH
4739 120 56 110 Commerical Internet eXchange
3786 118 746 97 DACOM Corporation
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1641 9021 1211 UUNET Technologies, Inc.
7018 1421 7663 951 AT&T
3908 1181 1635 497 Supernet, Inc.
1239 946 3143 674 Sprint
1 666 8091 440 GENUITY
7843 625 405 256 Adelphia Corp.
852 624 1140 443 Telus Advanced Communications
7046 579 861 279 UUNET Technologies, Inc.
4323 531 471 167 Time Warner Communications, I
209 524 2048 337 Qwest
690 513 75 319 Merit Network
7066 490 204 257 Virginia Polytechnic Institut
6197 453 560 103 BellSouth Network Solutions,
705 432 134 192 UUNET Technologies, Inc.
6198 419 181 197 BellSouth Network Solutions,
18566 417 96 5 Covad Communications
3561 413 2240 355 Cable & Wireless USA
4355 407 313 118 EarthLink, Inc.
3549 403 741 296 Global Crossing
15290 392 215 176 AT&T Canada IES
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 809 2291 672 UUNET - Commercial IP service
3301 343 1144 300 TeliaNet Sweden
3215 312 819 174 France Telecom Transpac
3320 251 1962 224 Deutsche Telekom AG
680 237 2150 234 DFN-IP service G-WiN
1257 212 416 201 SWIPnet Swedish IP Network
5515 211 783 172 Sonera Solution Autonomous Sy
719 199 306 129 LANLINK autonomous system
786 176 1873 176 The JANET IP Service
5400 162 70 98 BT Ignite European Backbone
8708 153 42 146 Romania Data Systems S.A.
20858 146 17 4 This AS will be used to conne
3303 145 517 144 Swisscom Ltd
2856 131 1301 119 BTnet UK Regional network
12302 124 18 31 MobiFon S.A.
8220 122 174 113 COLT Internet - International
3246 118 378 115 Song Networks
3269 111 754 63 TELECOM ITALIA
5511 106 193 83 France Telecom
3233 104 10 8 RNC - Romanian Natioanal R&D
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 314 97 103 ImpSat USA, Inc.
7303 218 35 58 Telecom Argentina Stet-France
8151 206 315 112 UniNet S.A. de C.V.
11172 171 87 34 Servicios Alestra S.A de C.V
6503 157 207 110 AVANTEL, S.A.
13999 127 36 8 Mega Cable S.A. de C.V.
16814 107 7 12 NSS, S.A.
10620 98 6 32 TVCABLE BOGOTA
11340 91 2 36 Red Universitaria Nacional
6147 77 58 24 Telefonica Del Peru
1916 74 306 44 Fundacao de Amparo a Pesquisa
15311 73 27 37 Telefonica Empresas
6535 72 5 16 Chilesat Servicios Empresari
4270 69 18 10 Red de Interconexion Universi
11992 68 7 31 Integrated Systems
8065 67 6 14 Empresas Publicas de Medellin
7984 65 12 41 Global One Colombia
4926 59 4 49 Telintar S.A.
7927 57 5 40 Global One Venezuela
15034 56 5 32 TIBA SA
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
3908 1181 684 Supernet, Inc.
7018 1421 470 AT&T
18566 417 412 Covad Communications
7843 625 369 Adelphia Corp.
4323 531 364 Time Warner Communications, I
6197 453 350 BellSouth Network Solutions,
1221 1144 316 Telstra Pty Ltd
1580 323 301 ANOSCEUR
7046 579 300 UUNET Technologies, Inc.
4355 407 289 EarthLink, Inc.
6347 360 281 SAVVIS Communications Corpora
11492 278 277 Cable One
1239 946 272 Sprint
22927 289 267 TELEFONICA DE ARGENTINA
4151 324 266 USDA
376 345 241 Reseau Interordinateurs Scien
705 432 240 UUNET Technologies, Inc.
4814 249 234 China Telecom (Group)
7066 490 233 Virginia Polytechnic Institut
1 666 226 GENUITY
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65021 PRIVATE 128.216.1.0/24 619 Department of Navy
65021 PRIVATE 128.216.4.0/24 619 Department of Navy
64516 PRIVATE 137.164.227.0/24 2150 California State Uni
64516 PRIVATE 137.164.228.0/22 2150 California State Uni
1877 UNALLOCATED 192.108.199.0/24 1880 Stupi, house man's p
64586 PRIVATE 202.165.140.0/24 4845 Chung Hsiao East Roa
64586 PRIVATE 202.165.141.0/24 4845 Chung Hsiao East Roa
64586 PRIVATE 202.165.143.0/24 4845 Chung Hsiao East Roa
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
Advertised Unregistered Addresses
---------------------------------
Network Origin AS Description
39.0.0.0/8 4554 Exchange Point Blocks
132.0.0.0/10 568 DISO-UNRRA
134.137.0.0/16 7170 AT&T Government Markets
135.0.0.0/13 10455 Lucent Technologies
137.0.0.0/13 568 DISO-UNRRA
138.94.0.0/16 1 GENUITY
158.0.0.0/13 568 DISO-UNRRA
158.255.3.0/24 702 UUNET - Commercial IP service
164.236.0.0/16 568 DISO-UNRRA
178.54.59.0/24 7018 AT&T
192.31.242.0/24 771 NASA Ames Research Center
192.44.0.0/19 702 UUNET - Commercial IP service
192.68.128.0/22 1239 Sprint
192.72.0.0/18 4780 Digital United Inc.
192.72.0.0/16 4780 Digital United Inc.
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
192.140.0.0/16 5511 France Telecom
192.153.136.0/21 568 DISO-UNRRA
192.156.0.0/19 568 DISO-UNRRA
192.156.164.0/24 19548 Adelphia Business Solutions
192.172.0.0/19 568 DISO-UNRRA
192.208.29.0/24 3908 Supernet, Inc.
192.208.30.0/23 3908 Supernet, Inc.
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 /12:46
/13:92 /14:237 /15:438 /16:7323 /17:1546 /18:2794
/19:7977 /20:7685 /21:5525 /22:8350 /23:10049 /24:65405
/25:138 /26:181 /27:96 /28:98 /29:68 /30:242
/31:19 /32:69
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 752 1181 Supernet, Inc.
702 497 809 UUNET - Commercial IP service
7018 485 1421 AT&T
690 462 513 Merit Network
701 441 1641 UUNET Technologies, Inc.
18566 411 417 Covad Communications
7843 404 625 Adelphia Corp.
7066 387 490 Virginia Polytechnic Institut
6198 335 419 BellSouth Network Solutions,
1239 331 946 Sprint
6197 331 453 BellSouth Network Solutions,
1580 308 323 ANOSCEUR
6140 302 314 ImpSat USA, Inc.
22927 288 289 TELEFONICA DE ARGENTINA
11492 277 278 Cable One
7046 272 579 UUNET Technologies, Inc.
3215 238 312 France Telecom Transpac
11537 229 235 University Corporation for Ad
4355 225 407 EarthLink, Inc.
7303 217 218 Telecom Argentina Stet-France
Number of /24s announced per /8 block (Global)
----------------------------------------------
12:610 13:1 15:6 17:3 20:7 24:798
25:1 32:45 38:31 40:16 44:1 55:1
57:15 61:407 62:417 63:1867 64:1321 65:1697
66:1260 67:189 68:208 69:45 80:315 81:78
128:119 129:185 130:20 131:72 132:9 133:2
134:146 135:6 136:498 137:110 138:212 139:84
140:155 141:99 142:92 143:43 144:149 145:18
146:247 147:248 148:277 149:77 150:43 151:89
152:288 153:36 154:7 155:104 156:44 157:58
158:120 159:138 160:21 161:63 162:133 163:92
164:260 165:127 166:83 167:302 168:384 169:58
170:293 171:8 178:1 192:5440 193:2375 194:2023
195:895 196:456 198:3572 199:3059 200:2716 202:3614
203:4863 204:2990 205:2117 206:2331 207:2431 208:2589
209:2681 210:642 211:289 212:885 213:722 214:12
215:21 216:3100 217:539 218:67 219:11 220:6
End of report
More information about the Rtma
mailing list