[rtma] Weekly Routing Table Report
Routing Table Analysis
cscora at thyme.apnic.net
Fri Dec 5 13:12:46 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
If you have any comments please contact Philip Smith <pfs at cisco.com>.
Routing Table Report 04:00 +10GMT Sat 06 Dec, 2003
Analysis Summary
----------------
BGP routing table entries examined: 107846
Prefixes after maximum aggregation: 68312
Unique aggregates announced to Internet: 51698
Total ASes present in the Internet Routing Table: 14250
Origin-only ASes present in the Internet Routing Table: 12314
Origin ASes announcing only one prefix: 5808
Transit ASes present in the Internet Routing Table: 1936
Transit-only ASes present in the Internet Routing Table: 197
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 19
Illegal AS announcements present in the Routing Table: 1
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 13
Number of addresses announced to Internet: 1079247812
Equivalent to 64 /8s, 84 /16s and 3 /24s
Percentage of available address space announced: 29.1
Percentage of allocated address space announced: 50.8
Percentage of available address space allocated: 57.3
Total number of prefixes smaller than registry allocations: 42803
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 17275
Total APNIC prefixes after maximum aggregation: 9842
Prefixes being announced from the APNIC address blocks: 15665
Unique aggregates announced from the APNIC address blocks: 9803
APNIC Region origin ASes present in the Internet Routing Table: 1591
APNIC Region origin ASes announcing only one prefix: 548
APNIC Region transit ASes present in the Internet Routing Table: 278
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 39464448
Equivalent to 2 /8s, 90 /16s and 46 /24s
Percentage of available APNIC address space announced: 21.3
APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239
17408 - 18431, 23552 - 24575
APNIC Address Blocks 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 67451
Total ARIN prefixes after maximum aggregation: 42626
Prefixes being announced from the ARIN address blocks: 50102
Unique aggregates announced from the ARIN address blocks: 16732
ARIN Region origin ASes present in the Internet Routing Table: 8220
ARIN Region origin ASes announcing only one prefix: 3012
ARIN Region transit ASes present in the Internet Routing Table: 787
Average ARIN Region AS path length visible: 4.4
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 186504832
Equivalent to 11 /8s, 29 /16s and 214 /24s
Percentage of available ARIN address space announced: 65.4
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, 29695 - 30719
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 198/7, 204/6, 208/7
and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 16889
Total RIPE prefixes after maximum aggregation: 13117
Prefixes being announced from the RIPE address blocks: 13314
Unique aggregates announced from the RIPE address blocks: 9061
RIPE Region origin ASes present in the Internet Routing Table: 3798
RIPE Region origin ASes announcing only one prefix: 2113
RIPE Region transit ASes present in the Internet Routing Table: 758
Average RIPE Region AS path length visible: 5.3
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 97725056
Equivalent to 5 /8s, 211 /16s and 42 /24s
Percentage of available RIPE address space announced: 44.8
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
30720 - 31743
RIPE Address Blocks 62/8, 80/6, 84/8, 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: 2103
Prefixes being announced from the LACNIC address blocks: 5094
Unique aggregates announced from the LACNIC address blocks: 3102
LACNIC Region origin ASes present in the Internet Routing Table: 364
LACNIC Region origin ASes announcing only one prefix: 106
LACNIC Region transit ASes present in the Internet Routing Table: 68
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 16
Number of LACNIC addresses announced to Internet: 13566208
Equivalent to 0 /8s, 207 /16s and 1 /24s
Percentage of available LACNIC address space announced: 40.4
LACNIC AS Blocks 26592 - 26623, 27648 - 28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 926
Total AfriNIC prefixes after maximum aggregation: 624
Prefixes being announced from the AfriNIC address blocks: 724
Unique aggregates announced from the AfriNIC address blocks: 556
AfriNIC Region origin ASes present in the Internet Routing Table: 80
AfriNIC Region origin ASes announcing only one prefix: 29
AfriNIC Region transit ASes present in the Internet Routing Table: 10
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 1757184
Equivalent to 0 /8s, 26 /16s and 208 /24s
Percentage of available AfriNIC address space announced: 10.5
AfriNIC AS Blocks <none>
AfriNIC Address Blocks 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1221 923 1116 663 Telstra Pty Ltd
2907 359 1840 336 SINET Japan
703 315 301 250 UUNET
4755 309 98 58 Videsh Sanchar Nigam Ltd. Aut
17557 291 21 155 Pakistan Telecom
2764 269 224 237 connect.com.au pty ltd
7474 262 306 212 Optus Communications Pty Ltd
4134 212 791 50 Data Communications Bureau
9443 207 25 76 Primus Telecommunications
9942 173 52 121 COMindico Australia
9498 172 22 31 BHARTI BT INTERNET LTD.
17642 148 39 109 RequestDSL BGP AS# for Sydney
4739 140 60 130 Commerical Internet eXchange
7633 138 23 39 Software Technology Parks of
4766 134 436 88 Korea Internet Exchange for "
9238 124 8 27 TATA ISP
4795 113 16 45 INDOSATNET-ASN
17536 112 8 43 Prodidgy Telecommunications
4538 111 458 8 China Education and Research
4657 111 71 24 Starhub Internet, Singapore
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1350 8554 935 UUNET Technologies, Inc.
7018 1339 6973 932 AT&T
1239 886 3054 617 Sprint
209 805 3253 493 Qwest
18566 731 176 8 Covad Communications
6197 645 418 153 BellSouth Network Solutions,
3356 621 10656 494 Level 3 Communications, LLC
20115 556 317 325 Charter Communications
7843 519 497 117 Adelphia Corp.
4323 518 556 187 Time Warner Communications, I
7066 511 207 271 Virginia Polytechnic Institut
852 487 1024 389 Telus Advanced Communications
6198 473 328 179 BellSouth Network Solutions,
7132 437 7071 302 Southwestern Bell Internet Se
690 400 58 270 Merit Network
2386 382 525 205 AT&T Data Communications Serv
376 357 359 114 Reseau Interordinateurs Scien
27364 354 28 24 Armstrong Cable Services
705 345 184 216 UUNET Technologies, Inc.
19029 344 91 274 New Edge Networks
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 604 1750 513 UUNET - Commercial IP service
3301 292 940 277 TeliaNet Sweden
3320 266 1032 217 Deutsche Telekom AG
680 231 2022 227 DFN-IP service G-WiN
1257 221 345 176 SWIPnet Swedish IP Network
8220 216 261 210 COLT Internet - International
13083 215 51 8 Mannesmann Datenverarbeitung
786 173 1808 173 The JANET IP Service
5515 171 743 133 Sonera Solution Autonomous Sy
3246 162 351 160 Song Networks
25186 159 214 117 France Telecom Transpac's Tra
5400 139 139 124 BT Ignite European Backbone
3215 136 626 64 France Telecom Transpac
3303 135 472 128 Swisscom Ltd
719 131 272 102 LANLINK autonomous system
8708 131 104 127 Romania Data Systems S.A.
2856 105 936 97 BTnet UK Regional network
3269 90 738 49 TELECOM ITALIA
137 83 637 81 GARR Italian academic and res
3292 82 617 80 TDC Tele Danmark
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 346 120 66 ImpSat
8151 240 350 124 UniNet S.A. de C.V.
11172 195 77 43 Servicios Alestra S.A de C.V
7303 184 46 17 Telecom Argentina Stet-France
16814 156 10 5 NSS, S.A.
6503 127 204 93 AVANTEL, S.A.
6147 124 78 20 Telefonica Del Peru
11340 108 3 29 Red Universitaria Nacional
6505 90 83 57 Global One Communicaoes Ltda
10620 85 6 13 TVCABLE BOGOTA
11992 85 24 31 Integrated Systems
15311 76 16 39 Telefonica Empresas
6535 75 5 18 Chilesat Servicios Empresari
8065 73 10 17 Empresas Publicas de Medellin
4270 71 18 9 Red de Interconexion Universi
7080 64 4 1 Electronica y Comunicaciones
14420 62 4 21 ANDINATEL S.A.
27699 60 152 15 TELECOMUNICACOES DE SAO PAULO
1916 59 247 39 Fundacao de Amparo a Pesquisa
7738 58 202 13 Telecomunicacoes da Bahia S.A
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 249 632 218 The Internet Solution
2018 94 297 92 Tertiary Education Network
5536 66 6 13 Internet Egypt Network
2905 60 245 53 The Internetworking Company o
2561 57 6 3 Egyptian Universities Network
5713 24 93 22 Telkom SA Ltd
11569 24 27 21 satellite data networks
11845 24 5 9 Data Pro Business Online
9129 23 2 3 UUNET Kenya
16637 23 7 18 Johnnic e-Ventures
10798 18 1 12 Standard Bank of South Africa
3208 17 2 1 ARN Network
6713 17 30 8 Itissalat Al-MAGHRIB
12258 15 3 10 Vodacom Internet Company
17148 14 1 8 First National Bank
6879 11 1 3 EUnet Egypt
2609 10 8 2 Tunisia BackBone AS
8346 10 2 10 SONATEL-AS Autonomous System
12455 10 2 1 Jambonet Autonomous system
10474 9 9 8 NetActive ISP
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 731 723 Covad Communications
6197 645 492 BellSouth Network Solutions,
7018 1339 407 AT&T
7843 519 402 Adelphia Corp.
4323 518 331 Time Warner Communications, I
27364 354 330 Armstrong Cable Services
209 805 312 Qwest
22909 317 305 Comcast Cable Corporation
6198 473 294 BellSouth Network Solutions,
22773 311 283 Cox Communications, Inc. Atla
6140 346 280 ImpSat
1239 886 269 Sprint
1221 923 260 Telstra Pty Ltd
4755 309 251 Videsh Sanchar Nigam Ltd. Aut
376 357 243 Reseau Interordinateurs Scien
25844 244 242 Skadden, Arps, Slate, Meagher
7066 511 240 Virginia Polytechnic Institut
4355 306 232 EarthLink, Inc.
20115 556 231 Charter Communications
14900 250 217 US LEC Corp
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
64512 PRIVATE 131.95.1.240/28 16430 University of Southe
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 568 DISO-UNRRA
137.0.0.0/13 568 DISO-UNRRA
158.0.0.0/13 568 DISO-UNRRA
192.43.230.0/24 4738 South Australian Academic Res
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
192.172.0.0/19 568 DISO-UNRRA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:18 /9:3 /10:6 /11:12 /12:50
/13:77 /14:224 /15:387 /16:6611 /17:1276 /18:2285
/19:5620 /20:6805 /21:5459 /22:7635 /23:9381 /24:61468
/25:136 /26:156 /27:77 /28:59 /29:21 /30:50
/31:0 /32:30
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 725 731 Covad Communications
6197 511 645 BellSouth Network Solutions,
7018 464 1339 AT&T
7066 403 511 Virginia Polytechnic Institut
702 372 604 UUNET - Commercial IP service
701 366 1350 UUNET Technologies, Inc.
690 361 400 Merit Network
27364 348 354 Armstrong Cable Services
6198 341 473 BellSouth Network Solutions,
20115 339 556 Charter Communications
3356 307 621 Level 3 Communications, LLC
1239 292 886 Sprint
209 261 805 Qwest
25844 244 244 Skadden, Arps, Slate, Meagher
3320 217 266 Deutsche Telekom AG
19029 199 344 New Edge Networks
14654 191 195 Wayport
13083 188 215 Mannesmann Datenverarbeitung
6140 184 346 ImpSat
7843 183 519 Adelphia Corp.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:2 12:755 13:1 15:6 16:1 17:3
20:7 24:870 32:82 38:44 40:24 43:1
44:2 55:1 56:1 57:14 61:306 62:449
63:1847 64:1817 65:1817 66:2189 67:283 68:642
69:352 80:443 81:166 82:34 128:148 129:264
130:70 131:80 132:17 134:191 135:16 136:182
137:112 138:127 139:29 140:162 141:140 142:111
143:49 144:64 145:39 146:289 147:71 148:315
149:86 150:118 151:60 152:209 153:56 154:1
155:128 156:60 157:62 158:136 159:137 160:46
161:49 162:364 163:73 164:334 165:174 166:104
167:212 168:182 169:94 170:307 171:9 192:5492
193:2465 194:2006 195:1287 196:515 198:3633 199:2841
200:3044 201:2 202:4211 203:5355 204:2942 205:2018
206:2270 207:2618 208:2486 209:647
End of report
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