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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, 23 Aug 2003 04:06:46 +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 23 Aug, 2003
Analysis Summary
----------------
BGP routing table entries examined: 127121
Prefixes after maximum aggregation: 79841
Unique aggregates announced to Internet: 61312
Total ASes present in the Internet Routing Table: 15709
Origin-only ASes present in the Internet Routing Table: 13617
Origin ASes announcing only one prefix: 6207
Transit ASes present in the Internet Routing Table: 2092
Transit-only ASes present in the Internet Routing Table: 75
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 26
Illegal AS announcements present in the Routing Table: 2
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 15
Number of addresses announced to Internet: 1239819744
Equivalent to 73 /8s, 230 /16s and 37 /24s
Percentage of available address space announced: 33.5
Percentage of allocated address space announced: 59.8
Percentage of available address space allocated: 56.0
Total number of prefixes smaller than registry allocations: 56355
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 22262
Total APNIC prefixes after maximum aggregation: 12690
Prefixes being announced from the APNIC address blocks: 20697
Unique aggregates announced from the APNIC address blocks: 12390
APNIC Region origin ASes present in the Internet Routing Table: 1887
APNIC Region origin ASes announcing only one prefix: 547
APNIC Region transit ASes present in the Internet Routing Table: 317
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 120830336
Equivalent to 7 /8s, 51 /16s and 185 /24s
Percentage of available APNIC address space announced: 65.1
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: 77318
Total ARIN prefixes after maximum aggregation: 48500
Prefixes being announced from the ARIN address blocks: 55488
Unique aggregates announced from the ARIN address blocks: 17259
ARIN Region origin ASes present in the Internet Routing Table: 8597
ARIN Region origin ASes announcing only one prefix: 2954
ARIN Region transit ASes present in the Internet Routing Table: 826
Average ARIN Region AS path length visible: 4.5
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 195959040
Equivalent to 11 /8s, 174 /16s and 25 /24s
Percentage of available ARIN address space announced: 73.0
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, 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: 22335
Total RIPE prefixes after maximum aggregation: 16396
Prefixes being announced from the RIPE address blocks: 18940
Unique aggregates announced from the RIPE address blocks: 12714
RIPE Region origin ASes present in the Internet Routing Table: 4804
RIPE Region origin ASes announcing only one prefix: 2609
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: 134867520
Equivalent to 8 /8s, 9 /16s and 234 /24s
Percentage of available RIPE address space announced: 73.1
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: 5205
Total LACNIC prefixes after maximum aggregation: 2255
Prefixes being announced from the LACNIC address blocks: 4721
Unique aggregates announced from the LACNIC address blocks: 3132
LACNIC Region origin ASes present in the Internet Routing Table: 345
LACNIC Region origin ASes announcing only one prefix: 97
LACNIC Region transit ASes present in the Internet Routing Table: 70
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 16
Number of LACNIC addresses announced to Internet: 13035264
Equivalent to 0 /8s, 198 /16s and 231 /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 1036 1037 726 Telstra Pty Ltd
4755 405 135 74 Videsh Sanchar Nigam Ltd. Aut
2907 374 1911 349 SINET Japan
703 341 372 273 UUNET
4134 331 2210 114 Data Communications Bureau
17557 308 26 138 Pakistan Telecom
2764 301 323 269 connect.com.au pty ltd
7474 264 307 204 Optus Communications Pty Ltd
17676 253 3894 22 XTAGE CORPORATION
9583 242 37 21 Satyam Infoway Ltd.,
3786 239 777 205 DACOM Corporation
4766 239 2461 171 Korea Internet Exchange for "
9800 198 326 56 CHINA UNICOM
9498 173 15 28 BHARTI BT INTERNET LTD.
9443 172 56 78 Primus Telecommunications
4538 170 1538 21 China Education and Research
9929 169 153 33 China Netcom Corp.
17642 158 41 119 RequestDSL BGP AS# for Sydney
9942 141 69 101 COMindico Australia
9238 140 9 21 TATA ISP
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1490 8782 1047 UUNET Technologies, Inc.
7018 1376 7171 974 AT&T
3908 921 1589 495 Supernet, Inc.
1239 898 3032 639 Sprint
189 672 451 331 Genuity
18566 665 160 8 Covad Communications
4323 624 551 179 Time Warner Communications, I
6197 569 387 244 BellSouth Network Solutions,
7843 549 408 199 Adelphia Corp.
852 523 1124 415 Telus Advanced Communications
209 518 2145 299 Qwest
6198 513 277 197 BellSouth Network Solutions,
705 484 193 303 UUNET Technologies, Inc.
3356 483 10661 399 Level 3 Communications, LLC
1 476 1078 307 GENUITY
20115 473 196 285 Charter Communications
7132 410 6608 240 Southwestern Bell Internet Se
690 408 59 275 Merit Network
4355 404 339 109 EarthLink, Inc.
2386 379 523 197 AT&T Data Communications Serv
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 736 2141 611 UUNET - Commercial IP service
3301 289 1168 277 TeliaNet Sweden
3320 264 1987 224 Deutsche Telekom AG
8220 243 431 232 COLT Internet - International
1257 242 312 191 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 185 779 148 Sonera Solution Autonomous Sy
786 179 1874 179 The JANET IP Service
5400 175 175 127 BT Ignite European Backbone
8708 159 111 155 Romania Data Systems S.A.
3303 140 540 137 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 101 4129 45 SITA
6746 88 12 75 Dynamic Network Technologies,
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 316 103 114 ImpSat
7303 232 38 61 Telecom Argentina Stet-France
8151 221 334 116 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
11992 88 8 37 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 75 14 38 Telefonica Empresas
11830 74 6 29 Instituto Costarricense de El
1916 73 306 43 Fundacao de Amparo a Pesquisa
4270 68 18 9 Red de Interconexion Universi
7927 67 6 40 Global One Venezuela
7080 64 4 1 Electronica y Comunicaciones
7984 59 12 40 Global One Colombia
13999 56 36 8 Mega Cable S.A. de C.V.
4926 55 3 46 Telintar S.A.
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 665 657 Covad Communications
4323 624 445 Time Warner Communications, I
3908 921 426 Supernet, Inc.
7018 1376 402 AT&T
7843 549 350 Adelphia Corp.
189 672 341 Genuity
4755 405 331 Videsh Sanchar Nigam Ltd. Aut
6197 569 325 BellSouth Network Solutions,
11305 358 320 Interland Incorporated
6198 513 316 BellSouth Network Solutions,
1221 1036 310 Telstra Pty Ltd
4355 404 295 EarthLink, Inc.
27364 317 294 Armstrong Cable Services
6347 359 280 SAVVIS Communications Corpora
22909 286 269 Comcast Cable Corporation
1239 898 259 Sprint
25844 257 255 Skadden, Arps, Slate, Meagher
17676 253 231 XTAGE CORPORATION
22773 244 224 Cox Communications, Inc. Atla
9583 242 221 Satyam Infoway Ltd.,
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
18413 UNALLOCATED 61.67.0.0/20 4747 Taiwan Telecommunica
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 /14:262 /15:474 /16:7415 /17:1736 /18:3070
/19:8422 /20:8703 /21:6355 /22:9407 /23:10827 /24:69720
/25:129 /26:167 /27:130 /28:24 /29:12 /30:48
/31:0 /32:25
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 659 665 Covad Communications
189 587 672 Genuity
3908 581 921 Supernet, Inc.
7018 479 1376 AT&T
702 448 736 UUNET - Commercial IP service
701 443 1490 UUNET Technologies, Inc.
6197 434 569 BellSouth Network Solutions,
6198 405 513 BellSouth Network Solutions,
690 368 408 Merit Network
20115 322 473 Charter Communications
27364 311 317 Armstrong Cable Services
1239 302 898 Sprint
10753 298 312 XCOM Technologies, INC.
11305 281 358 Interland Incorporated
7843 275 549 Adelphia Corp.
25844 257 257 Skadden, Arps, Slate, Meagher
4355 217 404 EarthLink, Inc.
3356 212 483 Level 3 Communications, LLC
209 208 518 Qwest
705 207 484 UUNET Technologies, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:2 12:702 13:1 15:4 16:1 17:3
20:6 24:848 25:1 32:85 38:45 40:23
44:2 55:1 57:14 61:278 62:393 63:1852
64:1760 65:2005 66:2684 67:247 68:391 69:250
80:403 81:125 82:10 128:113 129:171 130:61
131:80 132:13 134:143 135:7 136:188 137:117
138:120 139:45 140:142 141:117 142:90 143:45
144:89 145:13 146:266 147:61 148:292 149:73
150:120 151:68 152:217 153:57 154:4 155:123
156:59 157:48 158:118 159:135 160:45 161:75
162:407 163:78 164:133 165:141 166:96 167:313
168:179 169:95 170:325 171:9 192:5343 193:2472
194:1976 195:1182 196:469 198:3515 199:2757 200:2928
202:3941 203:5250 204:2982 205:2050 206:2343 207:2501
208:2543 209:2859 210:891 211:299 212:992 213:917
214:16 215:22 216:3274 217:688 218:98 219:73
220:102 221:10
End of report
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