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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, 30 Aug 2003 04:06:40 +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 30 Aug, 2003
Analysis Summary
----------------
BGP routing table entries examined: 127943
Prefixes after maximum aggregation: 80027
Unique aggregates announced to Internet: 61263
Total ASes present in the Internet Routing Table: 15751
Origin-only ASes present in the Internet Routing Table: 13658
Origin ASes announcing only one prefix: 6212
Transit ASes present in the Internet Routing Table: 2093
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: 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: 1239924000
Equivalent to 73 /8s, 231 /16s and 189 /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: 56939
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 22305
Total APNIC prefixes after maximum aggregation: 12682
Prefixes being announced from the APNIC address blocks: 20737
Unique aggregates announced from the APNIC address blocks: 12263
APNIC Region origin ASes present in the Internet Routing Table: 1890
APNIC Region origin ASes announcing only one prefix: 545
APNIC Region transit ASes present in the Internet Routing Table: 312
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 121106176
Equivalent to 7 /8s, 55 /16s and 239 /24s
Percentage of available APNIC address space announced: 65.3
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: 77902
Total ARIN prefixes after maximum aggregation: 48613
Prefixes being announced from the ARIN address blocks: 55597
Unique aggregates announced from the ARIN address blocks: 17253
ARIN Region origin ASes present in the Internet Routing Table: 8623
ARIN Region origin ASes announcing only one prefix: 2953
ARIN Region transit ASes present in the Internet Routing Table: 830
Average ARIN Region AS path length visible: 4.6
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 196363040
Equivalent to 11 /8s, 180 /16s and 67 /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: 22369
Total RIPE prefixes after maximum aggregation: 16413
Prefixes being announced from the RIPE address blocks: 18986
Unique aggregates announced from the RIPE address blocks: 12754
RIPE Region origin ASes present in the Internet Routing Table: 4819
RIPE Region origin ASes announcing only one prefix: 2615
RIPE Region transit ASes present in the Internet Routing Table: 851
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 135214400
Equivalent to 8 /8s, 15 /16s and 53 /24s
Percentage of available RIPE address space announced: 73.3
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: 5365
Total LACNIC prefixes after maximum aggregation: 2319
Prefixes being announced from the LACNIC address blocks: 4807
Unique aggregates announced from the LACNIC address blocks: 3132
LACNIC Region origin ASes present in the Internet Routing Table: 348
LACNIC Region origin ASes announcing only one prefix: 99
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: 20
Number of LACNIC addresses announced to Internet: 13049600
Equivalent to 0 /8s, 199 /16s and 31 /24s
Percentage of available LACNIC address space announced: 38.9
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 981 1125 694 Telstra Pty Ltd
4755 398 134 73 Videsh Sanchar Nigam Ltd. Aut
2907 375 1911 349 SINET Japan
703 340 356 269 UUNET
4134 333 2220 112 Data Communications Bureau
17557 304 26 136 Pakistan Telecom
2764 299 323 267 connect.com.au pty ltd
7474 265 307 206 Optus Communications Pty Ltd
17676 254 3910 22 XTAGE CORPORATION
9583 243 37 21 Satyam Infoway Ltd.,
4766 238 2461 170 Korea Internet Exchange for "
3786 237 773 203 DACOM Corporation
9800 198 326 56 CHINA UNICOM
9443 182 58 82 Primus Telecommunications
9498 176 16 33 BHARTI BT INTERNET LTD.
4538 170 1538 21 China Education and Research
9929 170 155 34 China Netcom Corp.
17642 156 41 117 RequestDSL BGP AS# for Sydney
9942 155 69 100 COMindico Australia
9238 140 9 21 TATA ISP
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1485 8755 1043 UUNET Technologies, Inc.
7018 1388 7137 984 AT&T
1239 893 3030 643 Sprint
3908 888 1418 474 Supernet, Inc.
189 673 451 333 Genuity
18566 672 160 8 Covad Communications
4323 624 551 179 Time Warner Communications, I
6197 571 387 248 BellSouth Network Solutions,
7843 548 419 182 Adelphia Corp.
852 517 1123 411 Telus Advanced Communications
209 514 2129 298 Qwest
6198 514 277 197 BellSouth Network Solutions,
7066 490 205 262 Virginia Polytechnic Institut
20115 480 200 290 Charter Communications
3356 475 10659 394 Level 3 Communications, LLC
1 467 1056 301 GENUITY
705 462 182 288 UUNET Technologies, Inc.
7132 413 6657 240 Southwestern Bell Internet Se
690 410 59 276 Merit Network
4355 392 340 111 EarthLink, Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 727 2122 602 UUNET - Commercial IP service
3301 294 1168 280 TeliaNet Sweden
3320 268 1989 228 Deutsche Telekom AG
1257 249 375 190 SWIPnet Swedish IP Network
8220 246 431 235 COLT Internet - International
680 232 2054 229 DFN-IP service G-WiN
3215 213 736 120 France Telecom Transpac
719 193 307 122 LANLINK autonomous system
5515 185 779 148 Sonera Solution Autonomous Sy
5400 180 175 131 BT Ignite European Backbone
786 179 1874 179 The JANET IP Service
8708 159 111 155 Romania Data Systems S.A.
3303 143 540 140 Swisscom Ltd
12302 126 18 33 MobiFon S.A.
3246 122 360 120 Song Networks
3269 117 821 64 TELECOM ITALIA
2856 112 1295 103 BTnet UK Regional network
3352 111 828 31 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 319 103 114 ImpSat
7303 234 39 64 Telecom Argentina Stet-France
8151 222 334 117 UniNet S.A. de C.V.
11172 178 77 43 Servicios Alestra S.A de C.V
16814 151 10 17 NSS, S.A.
6503 133 205 94 AVANTEL, S.A.
10620 127 8 28 TVCABLE BOGOTA
11340 108 3 39 Red Universitaria Nacional
11992 86 8 36 Integrated Systems
6147 83 70 20 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.
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 672 664 Covad Communications
4323 624 445 Time Warner Communications, I
3908 888 414 Supernet, Inc.
7018 1388 404 AT&T
7843 548 366 Adelphia Corp.
189 673 340 Genuity
4755 398 325 Videsh Sanchar Nigam Ltd. Aut
6197 571 323 BellSouth Network Solutions,
11305 358 320 Interland Incorporated
6198 514 317 BellSouth Network Solutions,
27364 317 294 Armstrong Cable Services
1221 981 287 Telstra Pty Ltd
4355 392 281 EarthLink, Inc.
6347 356 277 SAVVIS Communications Corpora
22909 291 273 Comcast Cable Corporation
1239 893 250 Sprint
226 291 249 Los Nettos
25844 241 239 Skadden, Arps, Slate, Meagher
376 353 238 Reseau Interordinateurs Scien
17676 254 232 XTAGE CORPORATION
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
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
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 /15:475 /16:7410 /17:1737 /18:3077
/19:8443 /20:8712 /21:6362 /22:9430 /23:10907 /24:70278
/25:168 /26:220 /27:150 /28:26 /29:13 /30:51
/31:0 /32:27
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 666 672 Covad Communications
189 588 673 Genuity
3908 566 888 Supernet, Inc.
7018 493 1388 AT&T
701 444 1485 UUNET Technologies, Inc.
702 442 727 UUNET - Commercial IP service
6197 436 571 BellSouth Network Solutions,
6198 406 514 BellSouth Network Solutions,
7066 386 490 Virginia Polytechnic Institut
690 371 410 Merit Network
20115 328 480 Charter Communications
27364 311 317 Armstrong Cable Services
1239 307 893 Sprint
10753 298 312 XCOM Technologies, INC.
11305 281 358 Interland Incorporated
7843 264 548 Adelphia Corp.
25844 241 241 Skadden, Arps, Slate, Meagher
4355 210 392 EarthLink, Inc.
3320 207 268 Deutsche Telekom AG
3356 207 475 Level 3 Communications, LLC
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:2 12:703 13:1 15:4 16:1 17:4
20:6 24:838 25:1 32:85 38:45 40:23
44:2 55:1 57:14 61:300 62:393 63:1853
64:1781 65:1997 66:2693 67:257 68:390 69:256
80:409 81:124 82:13 128:130 129:171 130:62
131:82 132:13 134:172 135:7 136:186 137:114
138:117 139:47 140:146 141:134 142:99 143:45
144:90 145:13 146:275 147:62 148:302 149:76
150:123 151:68 152:218 153:57 154:4 155:127
156:68 157:48 158:118 159:135 160:45 161:75
162:360 163:78 164:312 165:146 166:96 167:312
168:179 169:95 170:321 171:9 192:5376 193:2477
194:1980 195:1186 196:473 198:3619 199:2739 200:2966
202:3890 203:5264 204:3021 205:2044 206:2337 207:2547
208:2565 209:2856 210:898 211:301 212:974 213:923
214:16 215:22 216:3276 217:707 218:102 219:74
220:102 221:10
End of report
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