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[afnog] Weekly Routing Table Report
- To: apops at apops.net, rtma at arin.net, routing-wg at ripe.net,afnog at afnog.org
- Subject: [afnog] Weekly Routing Table Report
- From: Routing Table Analysis <cscora at thyme.apnic.net>
- Date: Sat, 16 Aug 2003 04:06:25 +1000 (EST)
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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 16 Aug, 2003
Analysis Summary
----------------
BGP routing table entries examined: 125833
Prefixes after maximum aggregation: 79107
Unique aggregates announced to Internet: 60511
Total ASes present in the Internet Routing Table: 15426
Origin-only ASes present in the Internet Routing Table: 13356
Origin ASes announcing only one prefix: 6062
Transit ASes present in the Internet Routing Table: 2070
Transit-only ASes present in the Internet Routing Table: 65
Average AS path length visible in the Internet Routing Table: 4.8
Max AS path length visible: 26
Illegal AS announcements present in the Routing Table: 3
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 15
Number of addresses announced to Internet: 1236781440
Equivalent to 73 /8s, 183 /16s and 201 /24s
Percentage of available address space announced: 33.4
Percentage of allocated address space announced: 59.6
Percentage of available address space allocated: 56.0
Total number of prefixes smaller than registry allocations: 55575
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 22221
Total APNIC prefixes after maximum aggregation: 12707
Prefixes being announced from the APNIC address blocks: 20640
Unique aggregates announced from the APNIC address blocks: 12353
APNIC Region origin ASes present in the Internet Routing Table: 1877
APNIC Region origin ASes announcing only one prefix: 531
APNIC Region transit ASes present in the Internet Routing Table: 314
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 120532096
Equivalent to 7 /8s, 47 /16s and 44 /24s
Percentage of available APNIC address space announced: 64.9
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: 76090
Total ARIN prefixes after maximum aggregation: 47800
Prefixes being announced from the ARIN address blocks: 54382
Unique aggregates announced from the ARIN address blocks: 16877
ARIN Region origin ASes present in the Internet Routing Table: 8355
ARIN Region origin ASes announcing only one prefix: 2826
ARIN Region transit ASes present in the Internet Routing Table: 817
Average ARIN Region AS path length visible: 4.6
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 195523840
Equivalent to 11 /8s, 167 /16s and 117 /24s
Percentage of available ARIN address space announced: 72.8
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, 29695 - 30719
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: 22154
Total RIPE prefixes after maximum aggregation: 16327
Prefixes being announced from the RIPE address blocks: 18769
Unique aggregates announced from the RIPE address blocks: 12670
RIPE Region origin ASes present in the Internet Routing Table: 4784
RIPE Region origin ASes announcing only one prefix: 2610
RIPE Region transit ASes present in the Internet Routing Table: 841
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 134669120
Equivalent to 8 /8s, 6 /16s and 227 /24s
Percentage of available RIPE address space announced: 73.0
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: 5366
Total LACNIC prefixes after maximum aggregation: 2273
Prefixes being announced from the LACNIC address blocks: 4856
Unique aggregates announced from the LACNIC address blocks: 3151
LACNIC Region origin ASes present in the Internet Routing Table: 345
LACNIC Region origin ASes announcing only one prefix: 95
LACNIC Region transit ASes present in the Internet Routing Table: 70
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 16
Number of LACNIC addresses announced to Internet: 13024512
Equivalent to 0 /8s, 198 /16s and 189 /24s
Percentage of available LACNIC address space announced: 38.8
LACNIC AS Blocks 26592 - 26623, 27648 - 28671
LACNIC Address Blocks 200/7
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1221 1041 1038 732 Telstra Pty Ltd
4755 403 136 72 Videsh Sanchar Nigam Ltd. Aut
2907 376 1912 351 SINET Japan
703 339 372 271 UUNET
4134 337 2210 115 Data Communications Bureau
17557 303 26 136 Pakistan Telecom
2764 302 323 272 connect.com.au pty ltd
7474 262 306 202 Optus Communications Pty Ltd
17676 253 3894 22 XTAGE CORPORATION
9583 241 37 20 Satyam Infoway Ltd.,
3786 239 777 205 DACOM Corporation
4766 238 2461 170 Korea Internet Exchange for "
9800 198 326 56 CHINA UNICOM
9443 182 58 82 Primus Telecommunications
9929 169 153 33 China Netcom Corp.
4538 166 1538 21 China Education and Research
9498 165 12 20 BHARTI BT INTERNET LTD.
9238 140 9 21 TATA ISP
4739 139 58 128 Commerical Internet eXchange
4716 131 729 125 TTnet
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1399 8707 986 UUNET Technologies, Inc.
7018 1366 7087 968 AT&T
3908 919 1541 494 Supernet, Inc.
1239 873 3015 622 Sprint
189 669 371 324 Genuity
18566 661 160 8 Covad Communications
4323 621 551 179 Time Warner Communications, I
7843 568 409 205 Adelphia Corp.
6197 567 387 244 BellSouth Network Solutions,
209 518 2177 298 Qwest
852 512 1123 406 Telus Advanced Communications
6198 509 275 196 BellSouth Network Solutions,
7066 491 205 262 Virginia Polytechnic Institut
1 481 1095 308 GENUITY
705 475 192 303 UUNET Technologies, Inc.
20115 475 196 286 Charter Communications
3356 466 10755 391 Level 3 Communications, LLC
7132 410 6608 240 Southwestern Bell Internet Se
4355 408 339 109 EarthLink, Inc.
690 390 56 269 Merit Network
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 734 2139 610 UUNET - Commercial IP service
3301 291 1186 279 TeliaNet Sweden
3320 261 1987 223 Deutsche Telekom AG
8220 245 432 233 COLT Internet - International
1257 239 311 189 SWIPnet Swedish IP Network
680 232 2054 229 DFN-IP service G-WiN
3215 214 752 121 France Telecom Transpac
719 196 307 125 LANLINK autonomous system
5515 185 779 149 Sonera Solution Autonomous Sy
786 179 1874 179 The JANET IP Service
5400 167 161 119 BT Ignite European Backbone
8708 155 110 152 Romania Data Systems S.A.
3303 139 540 136 Swisscom Ltd
12302 127 18 34 MobiFon S.A.
3246 121 360 119 Song Networks
3269 117 821 64 TELECOM ITALIA
2856 112 1295 103 BTnet UK Regional network
3352 111 812 33 Ibernet, Internet Access Netw
2647 100 4129 44 SITA
6746 88 12 75 Dynamic Network Technologies,
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 298 98 113 ImpSat
7303 237 39 55 Telecom Argentina Stet-France
8151 219 334 116 UniNet S.A. de C.V.
11172 178 77 43 Servicios Alestra S.A de C.V
16814 152 10 18 NSS, S.A.
6503 133 205 94 AVANTEL, S.A.
10620 127 8 28 TVCABLE BOGOTA
11340 107 3 38 Red Universitaria Nacional
11992 87 8 36 Integrated Systems
6147 84 70 21 Telefonica Del Peru
8065 80 8 17 Empresas Publicas de Medellin
6535 75 5 18 Chilesat Servicios Empresari
15311 74 14 38 Telefonica Empresas
1916 73 306 43 Fundacao de Amparo a Pesquisa
11830 73 6 28 Instituto Costarricense de El
4270 68 18 9 Red de Interconexion Universi
7927 65 6 39 Global One Venezuela
7080 64 4 1 Electronica y Comunicaciones
7984 59 12 40 Global One Colombia
13999 59 36 8 Mega Cable S.A. de C.V.
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 661 653 Covad Communications
4323 621 442 Time Warner Communications, I
3908 919 425 Supernet, Inc.
7018 1366 398 AT&T
7843 568 363 Adelphia Corp.
189 669 345 Genuity
4755 403 331 Videsh Sanchar Nigam Ltd. Aut
6197 567 323 BellSouth Network Solutions,
11305 358 320 Interland Incorporated
6198 509 313 BellSouth Network Solutions,
1221 1041 309 Telstra Pty Ltd
4355 408 299 EarthLink, Inc.
27364 317 298 Armstrong Cable Services
6347 354 274 SAVVIS Communications Corpora
22909 286 272 Comcast Cable Corporation
1239 873 251 Sprint
376 358 243 Reseau Interordinateurs Scien
17676 253 231 XTAGE CORPORATION
7066 491 229 Virginia Polytechnic Institut
22773 240 223 Cox Communications, Inc. Atla
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
18413 UNALLOCATED 61.67.0.0/20 4747 Taiwan Telecommunica
64713 PRIVATE 192.48.1.0/24 668 Defense Research and
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
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
192.153.136.0/21 568 DISO-UNRRA
192.172.0.0/19 568 DISO-UNRRA
192.228.80.0/24 30122 INTERNET SOFTWARE CONSORTIUM,
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:20 /9:4 /10:6 /11:12 /12:55
/13:98 /14:263 /15:473 /16:7386 /17:1732 /18:3063
/19:8380 /20:8630 /21:6317 /22:9319 /23:10731 /24:68731
/25:159 /26:211 /27:128 /28:27 /29:12 /30:50
/31:0 /32:26
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 655 661 Covad Communications
189 591 669 Genuity
3908 582 919 Supernet, Inc.
7018 480 1366 AT&T
702 447 734 UUNET - Commercial IP service
6197 432 567 BellSouth Network Solutions,
701 430 1399 UUNET Technologies, Inc.
6198 400 509 BellSouth Network Solutions,
7066 387 491 Virginia Polytechnic Institut
690 350 390 Merit Network
20115 324 475 Charter Communications
27364 311 317 Armstrong Cable Services
1239 295 873 Sprint
7843 293 568 Adelphia Corp.
11305 281 358 Interland Incorporated
10753 236 241 XCOM Technologies, INC.
4355 220 408 EarthLink, Inc.
209 209 518 Qwest
1 203 481 GENUITY
3320 202 261 Deutsche Telekom AG
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:2 12:692 13:1 15:4 16:1 17:3
20:6 24:865 25:1 32:97 38:38 40:23
44:2 55:1 57:14 61:295 62:372 63:1803
64:1708 65:1962 66:2586 67:222 68:376 69:242
80:395 81:123 82:10 128:161 129:170 130:49
131:80 132:13 134:173 135:7 136:120 137:110
138:121 139:46 140:140 141:115 142:93 143:44
144:89 145:13 146:279 147:61 148:272 149:69
150:120 151:61 152:212 153:57 154:3 155:121
156:55 157:46 158:115 159:135 160:43 161:74
162:153 163:78 164:328 165:138 166:87 167:313
168:178 169:95 170:324 171:8 192:5344 193:2463
194:1974 195:1156 196:468 198:3510 199:2686 200:3010
202:3949 203:5204 204:2895 205:1997 206:2290 207:2427
208:2512 209:2774 210:887 211:301 212:963 213:913
214:16 215:22 216:3186 217:686 218:102 219:75
220:98 221:10
End of report
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