[rtma] Weekly Routing Table Report
Routing Table Analysis
cscora at thyme.apnic.net
Fri Nov 8 05:05:19 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 08 Nov, 2002
Analysis Summary
----------------
BGP routing table entries examined: 117475
Prefixes after maximum aggregation: 75129
Unique aggregates announced to Internet: 56268
Total ASes present in the Internet Routing Table: 14029
Origin-only ASes present in the Internet Routing Table: 12150
Origin ASes announcing only one prefix: 5470
Transit ASes present in the Internet Routing Table: 1879
Transit-only ASes present in the Internet Routing Table: 62
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 23
Illegal AS announcements present in the Routing Table: 7
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 35
Number of addresses announced to Internet: 1182646652
Equivalent to 70 /8s, 125 /16s and 193 /24s
Percentage of available address space announced: 31.9
Percentage of allocated address space announced: 58.5
Percentage of available address space allocated: 54.6
Total number of prefixes smaller than registry allocations: 49536
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 19149
Total APNIC prefixes after maximum aggregation: 11435
Prefixes being announced from the APNIC address blocks: 17688
Unique aggregates announced from the APNIC address blocks: 11164
APNIC Region origin ASes present in the Internet Routing Table: 1638
APNIC Region origin ASes announcing only one prefix: 522
APNIC Region transit ASes present in the Internet Routing Table: 286
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 12
Number of APNIC addresses announced to Internet: 100198336
Equivalent to 5 /8s, 248 /16s and 231 /24s
Percentage of available APNIC address space announced: 65.9
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: 73464
Total ARIN prefixes after maximum aggregation: 46604
Prefixes being announced from the ARIN address blocks: 51373
Unique aggregates announced from the ARIN address blocks: 15607
ARIN Region origin ASes present in the Internet Routing Table: 7884
ARIN Region origin ASes announcing only one prefix: 2624
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: 23
Number of ARIN addresses announced to Internet: 182633696
Equivalent to 10 /8s, 226 /16s and 196 /24s
Percentage of available ARIN address space announced: 68.0
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: 19972
Total RIPE prefixes after maximum aggregation: 14993
Prefixes being announced from the RIPE address blocks: 16631
Unique aggregates announced from the RIPE address blocks: 11170
RIPE Region origin ASes present in the Internet Routing Table: 4130
RIPE Region origin ASes announcing only one prefix: 2242
RIPE Region transit ASes present in the Internet Routing Table: 763
Average RIPE Region AS path length visible: 5.7
Max RIPE Region AS path length visible: 16
Number of RIPE addresses announced to Internet: 119174080
Equivalent to 7 /8s, 26 /16s and 115 /24s
Percentage of available RIPE address space announced: 78.9
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
RIPE Address Blocks 62/8, 80/7, 193/8, 194/7, 212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 4884
Total LACNIC prefixes after maximum aggregation: 2097
Prefixes being announced from the LACNIC address blocks: 4225
Unique aggregates announced from the LACNIC address blocks: 2688
LACNIC Region origin ASes present in the Internet Routing Table: 318
LACNIC Region origin ASes announcing only one prefix: 82
LACNIC Region transit ASes present in the Internet Routing Table: 69
Average LACNIC Region AS path length visible: 5.9
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 11713024
Equivalent to 0 /8s, 178 /16s and 186 /24s
Percentage of available LACNIC address space announced: 69.8
LACNIC AS Blocks 26592 - 26623
LACNIC Address Blocks 200/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1221 1187 1168 862 Telstra Pty Ltd
703 392 365 311 UUNET
2907 351 1752 331 SINET Japan
2764 336 356 308 connect.com.au pty ltd
17557 317 23 121 Pakistan Telecom
7474 298 279 197 Optus Communications Pty Ltd
4134 296 2287 98 Data Communications Bureau
4755 276 138 74 Videsh Sanchar Nigam Ltd. Aut
4766 250 1808 158 Korea Internet Exchange for "
4814 233 79 15 China Telecom (Group)
17676 227 3554 29 XTAGE CORPORATION
9443 183 57 71 Primus Telecommunications
9583 164 32 6 Satyam Infoway Ltd.,
4515 139 102 77 Star Internet Services Ltd.
9768 135 385 74 Korea Telecom
4716 129 722 123 TTnet
7657 123 24 89 The Internet Group Limited
9800 122 188 24 CHINA UNICOM
4739 118 56 109 Commerical Internet eXchange
4621 117 11 66 UNINET-TH
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1757 9121 1243 UUNET Technologies, Inc.
7018 1338 7160 934 AT&T
3908 1095 1668 511 Supernet, Inc.
1239 894 3166 660 Sprint
7843 788 374 319 Adelphia Corp.
852 693 1147 467 Telus Advanced Communications
1 664 8106 439 GENUITY
19029 649 127 28 New Edge Networks
209 630 2032 328 Qwest
7046 588 860 290 UUNET Technologies, Inc.
690 513 75 322 Merit Network
4323 513 435 174 Time Warner Communications, I
7066 485 204 256 Virginia Polytechnic Institut
705 442 134 202 UUNET Technologies, Inc.
6197 436 233 200 BellSouth Network Solutions,
2548 410 1116 249 Business Internet, Inc.
3549 409 728 293 Global Crossing
6198 405 176 198 BellSouth Network Solutions,
4355 398 311 116 EarthLink, Inc.
3561 392 2266 341 Cable & Wireless USA
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 827 2366 694 UUNET - Commercial IP service
3301 379 1164 336 TeliaNet Sweden
3215 311 805 173 France Telecom Transpac
3320 246 1964 222 Deutsche Telekom AG
680 238 2151 234 DFN-IP service G-WiN
5515 210 783 175 Sonera Solution Autonomous Sy
1257 207 415 202 SWIPnet Swedish IP Network
5400 196 86 114 BT Ignite European Backbone
719 192 307 131 LANLINK autonomous system
786 176 1873 176 The JANET IP Service
2856 170 1303 132 BTnet UK Regional network
8708 162 41 148 Romania Data Systems S.A.
3303 143 517 142 Swisscom Ltd
20858 136 9 33 This AS will be used to conne
12302 123 18 30 MobiFon S.A.
3246 119 375 116 Song Networks
8220 114 169 106 COLT Internet - International
3269 110 752 63 TELECOM ITALIA
3233 106 10 8 RNC - Romanian Natioanal R&D
2874 99 85 39 Global One Services AB
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 253 114 58 ImpSat USA, Inc.
8151 213 347 112 UniNet S.A. de C.V.
7303 183 28 50 Telecom Argentina Stet-France
11172 168 88 34 Servicios Alestra S.A de C.V
6503 153 175 109 AVANTEL, S.A.
13999 127 36 8 Mega Cable S.A. de C.V.
16814 106 7 12 NSS, S.A.
10620 99 6 30 TVCABLE BOGOTA
11992 81 8 30 Integrated Systems
11340 78 2 29 Red Universitaria Nacional
15311 77 27 33 Telefonica Empresas
1916 74 425 41 Fundacao de Amparo a Pesquisa
4270 71 18 10 Red de Interconexion Universi
6535 71 4 15 Chilesat Servicios Empresari
7984 64 27 41 Global One Colombia
4926 63 4 51 Telintar S.A.
2277 62 16 3 ECUANET - CORPORACION ECUATOR
8065 61 6 16 Empresas Publicas de Medellin
15034 60 5 34 TIBA SA
7927 55 5 39 Global One Venezuela
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
19029 649 621 New Edge Networks
3908 1095 584 Supernet, Inc.
7843 788 469 Adelphia Corp.
7018 1338 404 AT&T
4323 513 339 Time Warner Communications, I
18566 341 337 Covad Communications
1221 1187 325 Telstra Pty Ltd
4151 337 321 USDA
1580 321 308 ANOSCEUR
209 630 302 Qwest
7046 588 298 UUNET Technologies, Inc.
6347 359 284 SAVVIS Communications Corpora
4355 398 282 EarthLink, Inc.
705 442 240 UUNET Technologies, Inc.
376 343 240 Reseau Interordinateurs Scien
6197 436 236 BellSouth Network Solutions,
1239 894 234 Sprint
7066 485 229 Virginia Polytechnic Institut
852 693 226 Telus Advanced Communications
1 664 225 GENUITY
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65025 PRIVATE 81.26.65.0/24 11042 Orion Network System
65010 PRIVATE 168.167.21.0/24 11042 Orion Network System
65501 PRIVATE 200.73.24.0/24 18747 IFX Communication Ve
65501 PRIVATE 200.73.26.0/24 18747 IFX Communication Ve
65501 PRIVATE 200.73.27.0/24 18747 IFX Communication Ve
65501 PRIVATE 200.73.28.0/24 18747 IFX Communication Ve
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
164.233.0.0/16 6020 DISA NETWORK SERVICES
164.236.0.0/16 568 DISO-UNRRA
192.31.242.0/24 771 NASA Ames Research Center
192.44.0.0/19 702 UUNET - Commercial IP service
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
192.91.198.0/24 2568 CTS Network Services
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
192.136.136.0/24 7046 UUNET Technologies, Inc.
192.136.136.0/22 568 DISO-UNRRA
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 /9:5 /10:8 /11:12 /12:46
/13:90 /14:239 /15:430 /16:7308 /17:1533 /18:2725
/19:7888 /20:7517 /21:5356 /22:8219 /23:9933 /24:65078
/25:186 /26:221 /27:129 /28:128 /29:103 /30:229
/31:19 /32:56
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 641 1095 Supernet, Inc.
19029 615 649 New Edge Networks
7843 601 788 Adelphia Corp.
702 498 827 UUNET - Commercial IP service
701 488 1757 UUNET Technologies, Inc.
690 461 513 Merit Network
7018 431 1338 AT&T
7066 384 485 Virginia Polytechnic Institut
18566 336 341 Covad Communications
6197 329 436 BellSouth Network Solutions,
6198 321 405 BellSouth Network Solutions,
209 318 630 Qwest
1580 307 321 ANOSCEUR
1239 282 894 Sprint
7046 278 588 UUNET Technologies, Inc.
3215 235 311 France Telecom Transpac
11492 228 233 Cable One
3301 225 379 TeliaNet Sweden
4355 222 398 EarthLink, Inc.
11537 220 226 University Corporation for Ad
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:5 8:1 12:581 13:10 15:4 17:2
20:5 24:912 25:1 32:47 38:26 40:13
44:1 55:1 57:15 61:374 62:386 63:1903
64:1383 65:1653 66:1213 67:125 68:200 69:19
80:294 81:69 128:127 129:109 130:21 131:64
132:9 133:2 134:143 135:7 136:412 137:108
138:216 139:76 140:154 141:87 142:86 143:46
144:149 145:18 146:254 147:250 148:255 149:77
150:41 151:87 152:286 153:36 154:8 155:103
156:104 157:104 158:89 159:149 160:20 161:74
162:131 163:89 164:253 165:138 166:93 167:305
168:294 169:59 170:243 171:6 192:5418 193:2377
194:1985 195:848 196:439 198:3609 199:3084 200:2580
202:3512 203:4861 204:3282 205:2103 206:2365 207:2446
208:2557 209:2791 210:611 211:284 212:888 213:782
214:11 215:20 216:3041 217:501 218:51 219:7
End of report
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