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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, 2 Aug 2003 04:06:34 +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 02 Aug, 2003
Analysis Summary
----------------
BGP routing table entries examined: 127254
Prefixes after maximum aggregation: 79631
Unique aggregates announced to Internet: 59977
Total ASes present in the Internet Routing Table: 15616
Origin-only ASes present in the Internet Routing Table: 13541
Origin ASes announcing only one prefix: 6144
Transit ASes present in the Internet Routing Table: 2075
Transit-only ASes present in the Internet Routing Table: 71
Average AS path length visible in the Internet Routing Table: 4.8
Max AS path length visible: 20
Illegal AS announcements present in the Routing Table: 4
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 14
Number of addresses announced to Internet: 1221471392
Equivalent to 72 /8s, 206 /16s and 44 /24s
Percentage of available address space announced: 33.0
Percentage of allocated address space announced: 58.9
Percentage of available address space allocated: 56.0
Total number of prefixes smaller than registry allocations: 56318
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 22026
Total APNIC prefixes after maximum aggregation: 12677
Prefixes being announced from the APNIC address blocks: 20439
Unique aggregates announced from the APNIC address blocks: 12399
APNIC Region origin ASes present in the Internet Routing Table: 1872
APNIC Region origin ASes announcing only one prefix: 534
APNIC Region transit ASes present in the Internet Routing Table: 309
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 118651264
Equivalent to 7 /8s, 18 /16s and 121 /24s
Percentage of available APNIC address space announced: 63.9
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: 77644
Total ARIN prefixes after maximum aggregation: 48418
Prefixes being announced from the ARIN address blocks: 55430
Unique aggregates announced from the ARIN address blocks: 16306
ARIN Region origin ASes present in the Internet Routing Table: 8576
ARIN Region origin ASes announcing only one prefix: 2919
ARIN Region transit ASes present in the Internet Routing Table: 827
Average ARIN Region AS path length visible: 4.6
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 196580896
Equivalent to 11 /8s, 183 /16s and 150 /24s
Percentage of available ARIN address space announced: 73.2
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: 22231
Total RIPE prefixes after maximum aggregation: 16267
Prefixes being announced from the RIPE address blocks: 18846
Unique aggregates announced from the RIPE address blocks: 12586
RIPE Region origin ASes present in the Internet Routing Table: 4755
RIPE Region origin ASes announcing only one prefix: 2598
RIPE Region transit ASes present in the Internet Routing Table: 839
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 134156096
Equivalent to 7 /8s, 255 /16s and 15 /24s
Percentage of available RIPE address space announced: 72.7
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: 5349
Total LACNIC prefixes after maximum aggregation: 2269
Prefixes being announced from the LACNIC address blocks: 4840
Unique aggregates announced from the LACNIC address blocks: 3116
LACNIC Region origin ASes present in the Internet Routing Table: 343
LACNIC Region origin ASes announcing only one prefix: 93
LACNIC Region transit ASes present in the Internet Routing Table: 72
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 16
Number of LACNIC addresses announced to Internet: 12903424
Equivalent to 0 /8s, 196 /16s and 228 /24s
Percentage of available LACNIC address space announced: 38.5
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 1051 1038 738 Telstra Pty Ltd
4755 440 136 70 Videsh Sanchar Nigam Ltd. Aut
2907 376 1912 351 SINET Japan
703 330 370 264 UUNET
17557 309 22 138 Pakistan Telecom
2764 302 325 273 connect.com.au pty ltd
7474 261 306 201 Optus Communications Pty Ltd
17676 250 3862 19 XTAGE CORPORATION
9583 241 37 20 Satyam Infoway Ltd.,
3786 239 777 205 DACOM Corporation
4134 233 2008 113 Data Communications Bureau
4766 226 2461 169 Korea Internet Exchange for "
9800 195 314 56 CHINA UNICOM
9443 182 58 82 Primus Telecommunications
4538 169 1506 21 China Education and Research
9929 169 153 33 China Netcom Corp.
9498 159 11 34 BHARTI BT INTERNET LTD.
4739 140 58 129 Commerical Internet eXchange
9238 140 9 21 TATA ISP
4716 131 745 125 TTnet
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1487 8778 1048 UUNET Technologies, Inc.
7018 1361 7167 947 AT&T
1239 962 2982 664 Sprint
3908 906 1534 483 Supernet, Inc.
7132 851 6604 236 Southwestern Bell Internet Se
189 670 371 322 Genuity
18566 646 160 8 Covad Communications
4323 621 549 172 Time Warner Communications, I
7843 600 395 221 Adelphia Corp.
6197 559 440 199 BellSouth Network Solutions,
852 523 1124 415 Telus Advanced Communications
209 522 2192 304 Qwest
1 517 1212 339 GENUITY
6198 499 271 188 BellSouth Network Solutions,
7066 488 205 259 Virginia Polytechnic Institut
705 482 190 305 UUNET Technologies, Inc.
20115 472 196 283 Charter Communications
3356 440 10683 362 Level 3 Communications, LLC
690 429 62 284 Merit Network
4355 401 334 108 EarthLink, Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 729 2123 611 UUNET - Commercial IP service
719 312 307 125 LANLINK autonomous system
3301 288 1169 276 TeliaNet Sweden
3320 259 1987 221 Deutsche Telekom AG
8220 246 432 234 COLT Internet - International
680 232 2053 229 DFN-IP service G-WiN
1257 229 309 185 SWIPnet Swedish IP Network
3215 212 736 120 France Telecom Transpac
5515 186 795 150 Sonera Solution Autonomous Sy
786 178 1858 178 The JANET IP Service
5400 165 158 117 BT Ignite European Backbone
8708 154 108 151 Romania Data Systems S.A.
3303 142 548 139 Swisscom Ltd
12302 127 18 34 MobiFon S.A.
2856 125 1315 116 BTnet UK Regional network
3246 121 374 119 Song Networks
3269 117 821 64 TELECOM ITALIA
3352 111 812 33 Ibernet, Internet Access Netw
5511 99 179 76 France Telecom
2647 88 4129 44 SITA
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 291 98 107 ImpSat
7303 239 39 57 Telecom Argentina Stet-France
8151 218 334 116 UniNet S.A. de C.V.
11172 177 69 42 Servicios Alestra S.A de C.V
16814 135 9 17 NSS, S.A.
6503 134 205 94 AVANTEL, S.A.
10620 122 8 33 TVCABLE BOGOTA
11340 104 3 36 Red Universitaria Nacional
11992 87 8 32 Integrated Systems
6147 86 70 21 Telefonica Del Peru
8065 80 9 16 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 71 5 31 Instituto Costarricense de El
4270 68 18 9 Red de Interconexion Universi
13999 67 36 8 Mega Cable S.A. de C.V.
7927 65 6 39 Global One Venezuela
7080 64 4 1 Electronica y Comunicaciones
7984 60 12 40 Global One Colombia
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 646 638 Covad Communications
7132 851 615 Southwestern Bell Internet Se
4323 621 449 Time Warner Communications, I
3908 906 423 Supernet, Inc.
7018 1361 414 AT&T
7843 600 379 Adelphia Corp.
4755 440 370 Videsh Sanchar Nigam Ltd. Aut
6197 559 360 BellSouth Network Solutions,
189 670 348 Genuity
11305 358 320 Interland Incorporated
1221 1051 313 Telstra Pty Ltd
6198 499 311 BellSouth Network Solutions,
1239 962 298 Sprint
27364 317 298 Armstrong Cable Services
4355 401 293 EarthLink, Inc.
6347 362 281 SAVVIS Communications Corpora
22909 284 271 Comcast Cable Corporation
25844 258 256 Skadden, Arps, Slate, Meagher
376 359 244 Reseau Interordinateurs Scien
17676 250 231 XTAGE CORPORATION
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
1877 UNALLOCATED 192.108.199.0/24 1880 Stupi, house man's p
65530 PRIVATE 216.27.102.0/24 10466 Mid Atlantic GigaPOP
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
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:18 /9:5 /10:8 /11:13 /12:54
/13:98 /14:261 /15:477 /16:7428 /17:1733 /18:3062
/19:8646 /20:8682 /21:6317 /22:9294 /23:10815 /24:69629
/25:163 /26:273 /27:167 /28:28 /29:11 /30:47
/31:0 /32:25
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 640 646 Covad Communications
189 592 670 Genuity
3908 578 906 Supernet, Inc.
7018 481 1361 AT&T
702 443 729 UUNET - Commercial IP service
701 428 1487 UUNET Technologies, Inc.
6197 425 559 BellSouth Network Solutions,
6198 390 499 BellSouth Network Solutions,
690 388 429 Merit Network
7066 385 488 Virginia Polytechnic Institut
1239 364 962 Sprint
7843 333 600 Adelphia Corp.
20115 321 472 Charter Communications
27364 311 317 Armstrong Cable Services
11305 281 358 Interland Incorporated
25844 258 258 Skadden, Arps, Slate, Meagher
4355 216 401 EarthLink, Inc.
1 210 517 GENUITY
209 208 522 Qwest
705 202 482 UUNET Technologies, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:2 12:707 13:1 15:4 16:1 17:3
20:6 24:861 25:1 32:99 38:42 40:23
44:2 57:15 61:253 62:392 63:1876 64:1729
65:1995 66:2646 67:209 68:401 69:239 80:396
81:118 82:9 128:133 129:167 130:58 131:81
132:13 134:171 135:7 136:122 137:118 138:118
139:45 140:157 141:114 142:94 143:44 144:99
145:13 146:280 147:59 148:298 149:64 150:105
151:63 152:218 153:57 154:3 155:119 156:56
157:44 158:118 159:137 160:45 161:75 162:410
163:81 164:321 165:141 166:97 167:319 168:180
169:91 170:321 171:8 192:5330 193:2456 194:1976
195:1144 196:473 198:3577 199:2722 200:2998 202:3879
203:5284 204:2961 205:2033 206:2320 207:2424 208:2567
209:2862 210:878 211:288 212:1014 213:890 214:16
215:22 216:3266 217:690 218:96 219:68 220:92
221:9
End of report
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