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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, 27 Sep 2003 04:07:43 +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 27 Sep, 2003
Analysis Summary
----------------
BGP routing table entries examined: 127855
Prefixes after maximum aggregation: 79965
Unique aggregates announced to Internet: 61682
Total ASes present in the Internet Routing Table: 15876
Origin-only ASes present in the Internet Routing Table: 13780
Origin ASes announcing only one prefix: 6245
Transit ASes present in the Internet Routing Table: 2096
Transit-only ASes present in the Internet Routing Table: 69
Average AS path length visible in the Internet Routing Table: 4.9
Max AS path length visible: 26
Illegal AS announcements present in the Routing Table: 6
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 14
Number of addresses announced to Internet: 1227349284
Equivalent to 73 /8s, 39 /16s and 221 /24s
Percentage of available address space announced: 33.1
Percentage of allocated address space announced: 59.2
Percentage of available address space allocated: 56.0
Total number of prefixes smaller than registry allocations: 56396
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 22707
Total APNIC prefixes after maximum aggregation: 12775
Prefixes being announced from the APNIC address blocks: 21124
Unique aggregates announced from the APNIC address blocks: 12364
APNIC Region origin ASes present in the Internet Routing Table: 1897
APNIC Region origin ASes announcing only one prefix: 544
APNIC Region transit ASes present in the Internet Routing Table: 306
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 122592768
Equivalent to 7 /8s, 78 /16s and 158 /24s
Percentage of available APNIC address space announced: 66.1
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: 77126
Total ARIN prefixes after maximum aggregation: 48337
Prefixes being announced from the ARIN address blocks: 54900
Unique aggregates announced from the ARIN address blocks: 17269
ARIN Region origin ASes present in the Internet Routing Table: 8703
ARIN Region origin ASes announcing only one prefix: 2995
ARIN Region transit ASes present in the Internet Routing Table: 836
Average ARIN Region AS path length visible: 4.7
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 197256224
Equivalent to 11 /8s, 193 /16s and 228 /24s
Percentage of available ARIN address space announced: 73.5
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: 22594
Total RIPE prefixes after maximum aggregation: 16569
Prefixes being announced from the RIPE address blocks: 19105
Unique aggregates announced from the RIPE address blocks: 12919
RIPE Region origin ASes present in the Internet Routing Table: 4859
RIPE Region origin ASes announcing only one prefix: 2605
RIPE Region transit ASes present in the Internet Routing Table: 850
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 136574784
Equivalent to 8 /8s, 35 /16s and 247 /24s
Percentage of available RIPE address space announced: 74.0
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: 5423
Total LACNIC prefixes after maximum aggregation: 2284
Prefixes being announced from the LACNIC address blocks: 4890
Unique aggregates announced from the LACNIC address blocks: 3181
LACNIC Region origin ASes present in the Internet Routing Table: 348
LACNIC Region origin ASes announcing only one prefix: 101
LACNIC Region transit ASes present in the Internet Routing Table: 73
Average LACNIC Region AS path length visible: 5.3
Max LACNIC Region AS path length visible: 16
Number of LACNIC addresses announced to Internet: 13298944
Equivalent to 0 /8s, 202 /16s and 237 /24s
Percentage of available LACNIC address space announced: 39.6
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 974 1110 690 Telstra Pty Ltd
4755 408 135 76 Videsh Sanchar Nigam Ltd. Aut
4134 388 2230 109 Data Communications Bureau
2907 374 1879 348 SINET Japan
703 333 372 265 UUNET
2764 297 322 260 connect.com.au pty ltd
17557 289 21 138 Pakistan Telecom
7474 269 306 209 Optus Communications Pty Ltd
17676 265 3980 26 XTAGE CORPORATION
9583 261 38 27 Satyam Infoway Ltd.,
4766 238 2461 173 Korea Internet Exchange for "
3786 235 773 203 DACOM Corporation
9800 203 332 52 CHINA UNICOM
9942 188 69 110 COMindico Australia
9929 187 160 36 China Netcom Corp.
9443 183 58 83 Primus Telecommunications
9498 183 20 16 BHARTI BT INTERNET LTD.
4538 177 1634 23 China Education and Research
17642 157 40 118 RequestDSL BGP AS# for Sydney
4837 140 1058 88 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1462 8719 1018 UUNET Technologies, Inc.
7018 1401 7156 977 AT&T
6197 966 443 245 BellSouth Network Solutions,
3908 916 1573 492 Supernet, Inc.
1239 905 3031 651 Sprint
18566 692 176 8 Covad Communications
4323 670 575 194 Time Warner Communications, I
3356 564 10744 473 Level 3 Communications, LLC
7843 529 466 134 Adelphia Corp.
852 517 1123 410 Telus Advanced Communications
209 501 2127 289 Qwest
6198 498 330 193 BellSouth Network Solutions,
7066 489 205 263 Virginia Polytechnic Institut
20115 475 205 296 Charter Communications
690 411 59 276 Merit Network
705 409 185 250 UUNET Technologies, Inc.
4355 396 334 109 EarthLink, Inc.
2386 375 507 194 AT&T Data Communications Serv
376 361 359 115 Reseau Interordinateurs Scien
6347 356 397 81 SAVVIS Communications Corpora
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 710 2121 589 UUNET - Commercial IP service
3301 296 1169 283 TeliaNet Sweden
3320 272 1989 232 Deutsche Telekom AG
8220 256 434 245 COLT Internet - International
680 232 2054 229 DFN-IP service G-WiN
1257 228 358 183 SWIPnet Swedish IP Network
719 193 307 123 LANLINK autonomous system
3215 188 737 106 France Telecom Transpac
5515 186 779 148 Sonera Solution Autonomous Sy
5400 183 173 133 BT Ignite European Backbone
786 179 1874 179 The JANET IP Service
8708 156 110 153 Romania Data Systems S.A.
3303 148 540 141 Swisscom Ltd
12302 127 18 34 MobiFon S.A.
3246 126 376 124 Song Networks
3269 119 853 65 TELECOM ITALIA
2856 113 1293 104 BTnet UK Regional network
25186 103 128 71 France Telecom Transpac's Tra
3352 98 824 34 Ibernet, Internet Access Netw
2647 95 4225 48 SITA
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 340 104 101 ImpSat
8151 234 367 122 UniNet S.A. de C.V.
7303 212 39 62 Telecom Argentina Stet-France
11172 187 79 44 Servicios Alestra S.A de C.V
16814 151 10 17 NSS, S.A.
10620 130 8 26 TVCABLE BOGOTA
6503 129 189 93 AVANTEL, S.A.
11340 103 3 36 Red Universitaria Nacional
11992 91 25 37 Integrated Systems
6147 84 70 19 Telefonica Del Peru
8065 82 8 17 Empresas Publicas de Medellin
6535 75 5 18 Chilesat Servicios Empresari
15311 75 14 38 Telefonica Empresas
11830 73 21 28 Instituto Costarricense de El
4270 67 17 8 Red de Interconexion Universi
7927 67 6 40 Global One Venezuela
7080 64 4 1 Electronica y Comunicaciones
1916 61 270 41 Fundacao de Amparo a Pesquisa
7984 59 12 40 Global One Colombia
4926 57 4 48 Telintar S.A.
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6197 966 721 BellSouth Network Solutions,
18566 692 684 Covad Communications
4323 670 476 Time Warner Communications, I
7018 1401 424 AT&T
3908 916 424 Supernet, Inc.
7843 529 395 Adelphia Corp.
4755 408 332 Videsh Sanchar Nigam Ltd. Aut
6198 498 305 BellSouth Network Solutions,
27364 314 291 Armstrong Cable Services
4355 396 287 EarthLink, Inc.
5668 302 287 Century Telephone
1221 974 284 Telstra Pty Ltd
4134 388 279 Data Communications Bureau
22909 297 279 Comcast Cable Corporation
6347 356 275 SAVVIS Communications Corpora
1239 905 254 Sprint
22773 285 250 Cox Communications, Inc. Atla
376 361 246 Reseau Interordinateurs Scien
25844 243 241 Skadden, Arps, Slate, Meagher
6140 340 239 ImpSat
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
18413 UNALLOCATED 61.67.0.0/20 4747 Taiwan Telecommunica
65093 PRIVATE 148.170.28.0/22 7991 Savvis Communication
65093 PRIVATE 148.170.32.0/22 7991 Savvis Communication
65093 PRIVATE 148.170.92.0/22 7991 Savvis Communication
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
65100 PRIVATE 210.104.28.0/25 9768 Korea Telecom
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 /9:4 /10:6 /11:12 /12:55
/13:97 /14:265 /15:470 /16:7448 /17:1761 /18:3140
/19:8539 /20:8842 /21:6480 /22:9294 /23:10653 /24:70142
/25:150 /26:203 /27:167 /28:25 /29:9 /30:53
/31:0 /32:22
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6197 827 966 BellSouth Network Solutions,
18566 686 692 Covad Communications
3908 577 916 Supernet, Inc.
7018 504 1401 AT&T
701 437 1462 UUNET Technologies, Inc.
702 426 710 UUNET - Commercial IP service
6198 384 498 BellSouth Network Solutions,
7066 384 489 Virginia Polytechnic Institut
690 371 411 Merit Network
20115 318 475 Charter Communications
1239 315 905 Sprint
27364 308 314 Armstrong Cable Services
3356 277 564 Level 3 Communications, LLC
5668 269 302 Century Telephone
25844 243 243 Skadden, Arps, Slate, Meagher
4355 214 396 EarthLink, Inc.
7843 213 529 Adelphia Corp.
3320 211 272 Deutsche Telekom AG
209 199 501 Qwest
14824 199 226 NewSouth Communications Corp.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:2 12:707 13:1 15:4 16:1 17:3
20:6 24:826 25:1 32:84 38:47 40:23
43:1 44:2 55:1 57:14 61:325 62:416
63:1878 64:1789 65:2054 66:2201 67:332 68:421
69:265 80:422 81:133 82:17 128:143 129:167
130:61 131:84 132:18 133:1 134:169 135:9
136:186 137:116 138:129 139:49 140:163 141:138
142:101 143:44 144:88 145:14 146:276 147:61
148:299 149:78 150:121 151:66 152:212 153:58
154:7 155:128 156:58 157:54 158:134 159:140
160:45 161:69 162:362 163:75 164:314 165:147
166:102 167:305 168:176 169:97 170:325 171:9
192:5335 193:2451 194:1976 195:1158 196:470 198:3599
199:2842 200:3007 202:3982 203:5305 204:2993 205:2039
206:2329 207:2499 208:2565 209:2720 210:923 211:374
212:966 213:932 214:16 215:22 216:3267 217:728
218:107 219:35 220:116 221:11 222:1
End of report
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