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Weekly Routing Table Report
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
For a graphical representation, please see http://www.apnic.net/stats/bgp.
If you have any comments please contact Philip Smith <pfs at cisco.com>.
Routing Table Report 20:00 +10GMT Fri 03 Jan, 2003
Analysis Summary
----------------
BGP routing table entries examined: 119068
Prefixes after maximum aggregation: 76182
Unique aggregates announced to Internet: 56870
Total ASes present in the Internet Routing Table: 14337
Origin-only ASes present in the Internet Routing Table: 12450
Origin ASes announcing only one prefix: 5617
Transit ASes present in the Internet Routing Table: 1887
Transit-only ASes present in the Internet Routing Table: 62
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 18
Illegal AS announcements present in the Routing Table: 4
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 33
Number of addresses announced to Internet: 1187723929
Equivalent to 70 /8s, 203 /16s and 58 /24s
Percentage of available address space announced: 32.0
Percentage of allocated address space announced: 58.7
Percentage of available address space allocated: 54.6
Total number of prefixes smaller than registry allocations: 55180
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 19690
Total APNIC prefixes after maximum aggregation: 11748
Prefixes being announced from the APNIC address blocks: 18220
Unique aggregates announced from the APNIC address blocks: 11182
APNIC Region origin ASes present in the Internet Routing Table: 1697
APNIC Region origin ASes announcing only one prefix: 523
APNIC Region transit ASes present in the Internet Routing Table: 285
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 12
Number of APNIC addresses announced to Internet: 102461088
Equivalent to 6 /8s, 27 /16s and 110 /24s
Percentage of available APNIC address space announced: 67.4
APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239
17408 - 18431, 23552 - 24575
APNIC Address Blocks 61/8, 202/7, 210/7, 218/7 and 220/7
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 73866
Total ARIN prefixes after maximum aggregation: 47039
Prefixes being announced from the ARIN address blocks: 51592
Unique aggregates announced from the ARIN address blocks: 15785
ARIN Region origin ASes present in the Internet Routing Table: 8025
ARIN Region origin ASes announcing only one prefix: 2718
ARIN Region transit ASes present in the Internet Routing Table: 756
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 184832240
Equivalent to 11 /8s, 4 /16s and 80 /24s
Percentage of available ARIN address space announced: 68.9
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
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: 20448
Total RIPE prefixes after maximum aggregation: 15209
Prefixes being announced from the RIPE address blocks: 17049
Unique aggregates announced from the RIPE address blocks: 11355
RIPE Region origin ASes present in the Internet Routing Table: 4231
RIPE Region origin ASes announcing only one prefix: 2296
RIPE Region transit ASes present in the Internet Routing Table: 771
Average RIPE Region AS path length visible: 5.7
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 121902336
Equivalent to 7 /8s, 68 /16s and 21 /24s
Percentage of available RIPE address space announced: 80.7
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, 193/8, 194/7, 212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 5063
Total LACNIC prefixes after maximum aggregation: 2186
Prefixes being announced from the LACNIC address blocks: 4441
Unique aggregates announced from the LACNIC address blocks: 2889
LACNIC Region origin ASes present in the Internet Routing Table: 323
LACNIC Region origin ASes announcing only one prefix: 80
LACNIC Region transit ASes present in the Internet Routing Table: 67
Average LACNIC Region AS path length visible: 5.7
Max LACNIC Region AS path length visible: 10
Number of LACNIC addresses announced to Internet: 11789824
Equivalent to 0 /8s, 179 /16s and 230 /24s
Percentage of available LACNIC address space announced: 70.3
LACNIC AS Blocks 26592 - 26623, 27648 - 28671
LACNIC Address Blocks 200/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1221 1137 1167 821 Telstra Pty Ltd
703 398 364 314 UUNET
2907 359 1785 335 SINET Japan
2764 341 341 310 connect.com.au pty ltd
17557 324 23 129 Pakistan Telecom
7474 312 281 205 Optus Communications Pty Ltd
4134 290 2408 91 Data Communications Bureau
4755 258 134 75 Videsh Sanchar Nigam Ltd. Aut
4814 246 79 15 China Telecom (Group)
3786 234 771 205 DACOM Corporation
17676 231 3618 24 XTAGE CORPORATION
9583 189 33 12 Satyam Infoway Ltd.,
4766 188 1787 144 Korea Internet Exchange for "
9443 186 57 76 Primus Telecommunications
9800 162 203 45 CHINA UNICOM
4716 130 724 124 TTnet
9768 128 384 63 Korea Telecom
7657 124 26 87 The Internet Group Limited
4739 121 56 111 Commerical Internet eXchange
9498 117 9 24 BHARTI BT INTERNET LTD.
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1627 9000 1199 UUNET Technologies, Inc.
7018 1424 7682 954 AT&T
3908 1187 1635 497 Supernet, Inc.
1239 978 3149 686 Sprint
1 664 8091 437 GENUITY
852 625 1140 444 Telus Advanced Communications
7843 623 404 279 Adelphia Corp.
7046 552 857 259 UUNET Technologies, Inc.
4323 533 487 168 Time Warner Communications, I
209 522 2048 334 Qwest
690 513 75 319 Merit Network
7066 488 204 256 Virginia Polytechnic Institut
6197 455 561 104 BellSouth Network Solutions,
705 423 133 188 UUNET Technologies, Inc.
6198 421 182 196 BellSouth Network Solutions,
18566 414 96 5 Covad Communications
3561 411 2212 342 Cable & Wireless USA
4355 407 313 118 EarthLink, Inc.
3549 402 709 295 Global Crossing
15290 394 215 175 AT&T Canada IES
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 806 2290 670 UUNET - Commercial IP service
3301 341 1141 297 TeliaNet Sweden
3215 313 819 174 France Telecom Transpac
3320 257 1996 230 Deutsche Telekom AG
680 237 2150 234 DFN-IP service G-WiN
5515 213 783 174 Sonera Solution Autonomous Sy
1257 212 416 201 SWIPnet Swedish IP Network
719 200 306 129 LANLINK autonomous system
786 176 1873 176 The JANET IP Service
5400 162 70 98 BT Ignite European Backbone
8708 156 42 147 Romania Data Systems S.A.
20858 148 17 4 This AS will be used to conne
3303 143 517 142 Swisscom Ltd
2856 129 1300 117 BTnet UK Regional network
8220 124 174 114 COLT Internet - International
12302 124 18 31 MobiFon S.A.
3246 118 378 115 Song Networks
3269 111 754 63 TELECOM ITALIA
5511 106 193 83 France Telecom
3233 104 10 8 RNC - Romanian Natioanal R&D
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 315 98 104 ImpSat USA, Inc.
7303 224 36 51 Telecom Argentina Stet-France
8151 208 331 113 UniNet S.A. de C.V.
11172 173 87 33 Servicios Alestra S.A de C.V
6503 156 191 109 AVANTEL, S.A.
13999 127 36 8 Mega Cable S.A. de C.V.
16814 108 7 13 NSS, S.A.
10620 98 6 32 TVCABLE BOGOTA
11340 81 2 32 Red Universitaria Nacional
6147 76 58 24 Telefonica Del Peru
1916 74 306 44 Fundacao de Amparo a Pesquisa
6535 72 5 16 Chilesat Servicios Empresari
15311 72 27 37 Telefonica Empresas
4270 68 18 10 Red de Interconexion Universi
11992 68 7 31 Integrated Systems
8065 67 6 14 Empresas Publicas de Medellin
7984 62 11 40 Global One Colombia
4926 59 4 49 Telintar S.A.
7927 57 5 40 Global One Venezuela
15034 57 5 33 TIBA SA
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
3908 1187 690 Supernet, Inc.
7018 1424 470 AT&T
18566 414 409 Covad Communications
4323 533 365 Time Warner Communications, I
6197 455 351 BellSouth Network Solutions,
7843 623 344 Adelphia Corp.
1221 1137 316 Telstra Pty Ltd
1580 316 302 ANOSCEUR
7046 552 293 UUNET Technologies, Inc.
1239 978 292 Sprint
6347 369 290 SAVVIS Communications Corpora
4355 407 289 EarthLink, Inc.
11492 280 279 Cable One
4151 326 269 USDA
22927 289 267 TELEFONICA DE ARGENTINA
376 344 241 Reseau Interordinateurs Scien
705 423 235 UUNET Technologies, Inc.
7066 488 232 Virginia Polytechnic Institut
4814 246 231 China Telecom (Group)
1 664 227 GENUITY
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
1877 UNALLOCATED 192.108.199.0/24 1880 Stupi, house man's p
1877 UNALLOCATED 192.108.201.0/24 1880 Stupi, house man's p
65000 PRIVATE 203.21.203.0/24 1221 Telstra Pty Ltd
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
Advertised Unregistered Addresses
---------------------------------
Network Origin AS Description
39.0.0.0/8 4554 Exchange Point Blocks
132.0.0.0/10 568 DISO-UNRRA
134.137.0.0/16 7170 AT&T Government Markets
135.0.0.0/13 10455 Lucent Technologies
137.0.0.0/13 568 DISO-UNRRA
138.94.0.0/16 1 GENUITY
158.0.0.0/13 568 DISO-UNRRA
158.255.3.0/24 702 UUNET - Commercial IP service
164.236.0.0/16 568 DISO-UNRRA
192.31.242.0/24 771 NASA Ames Research Center
192.44.0.0/19 702 UUNET - Commercial IP service
192.68.128.0/22 1239 Sprint
192.72.0.0/18 4780 Digital United Inc.
192.72.0.0/16 4780 Digital United Inc.
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
192.136.86.0/24 719 LANLINK autonomous system
192.136.87.0/24 719 LANLINK autonomous system
192.136.88.0/24 719 LANLINK autonomous system
192.139.62.0/24 6539 GT Group Telecom Services Cor
192.140.0.0/16 5511 France Telecom
192.153.136.0/21 568 DISO-UNRRA
192.156.0.0/19 568 DISO-UNRRA
192.156.164.0/24 19548 Adelphia Business Solutions
192.172.0.0/19 568 DISO-UNRRA
192.208.29.0/24 3908 Supernet, Inc.
192.208.30.0/23 3908 Supernet, Inc.
192.243.36.0/23 2044 AUSNet, Inc.
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:17 /9:3 /10:8 /11:12 /12:46
/13:92 /14:238 /15:440 /16:7318 /17:1550 /18:2808
/19:7995 /20:7748 /21:5596 /22:8469 /23:10200 /24:65850
/25:135 /26:170 /27:89 /28:77 /29:61 /30:107
/31:0 /32:39
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 755 1187 Supernet, Inc.
702 494 806 UUNET - Commercial IP service
7018 486 1424 AT&T
690 462 513 Merit Network
701 439 1627 UUNET Technologies, Inc.
18566 409 414 Covad Communications
7843 402 623 Adelphia Corp.
7066 385 488 Virginia Polytechnic Institut
1239 363 978 Sprint
6198 337 421 BellSouth Network Solutions,
6197 332 455 BellSouth Network Solutions,
6140 303 315 ImpSat USA, Inc.
1580 301 316 ANOSCEUR
22927 288 289 TELEFONICA DE ARGENTINA
11492 279 280 Cable One
7046 246 552 UUNET Technologies, Inc.
3215 239 313 France Telecom Transpac
20115 234 346 Charter Communications
4355 225 407 EarthLink, Inc.
7303 223 224 Telecom Argentina Stet-France
Number of /24s announced per /8 block (Global)
----------------------------------------------
12:617 13:1 15:6 17:3 20:7 24:802
25:1 32:45 38:31 40:17 44:1 55:1
57:16 61:410 62:430 63:1867 64:1333 65:1757
66:1333 67:194 68:215 69:44 80:315 81:81
128:124 129:183 130:23 131:70 132:9 133:2
134:154 135:6 136:487 137:108 138:213 139:84
140:158 141:99 142:93 143:44 144:148 145:18
146:252 147:248 148:276 149:78 150:43 151:89
152:291 153:36 154:7 155:102 156:44 157:59
158:120 159:138 160:22 161:64 162:142 163:84
164:259 165:133 166:83 167:296 168:385 169:57
170:292 171:8 192:5424 193:2415 194:2015 195:905
196:455 198:3613 199:3054 200:2758 202:3589 203:4849
204:3005 205:2122 206:2337 207:2426 208:2602 209:2689
210:657 211:304 212:879 213:760 214:12 215:21
216:3134 217:555 218:71 219:14 220:27
End of report
-----
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