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[bgp-stats] Routing Table Report - Japan view
* BGP Statistics focusing on the Asia Pacific Region *
* To unsubscribe: send "unsubscribe" to bgp-stats-request@lists.apnic.net *
Routing Table Report 04:00 +10GMT Mon 21 Oct, 2002
Analysis Summary
----------------
BGP routing table entries examined: 116005
Prefixes after maximum aggregation: 74619
Unique aggregates announced to Internet: 55526
Total ASes present in the Internet Routing Table: 13924
Origin-only ASes present in the Internet Routing Table: 12055
Origin ASes announcing only one prefix: 5395
Transit ASes present in the Internet Routing Table: 1869
Transit-only ASes present in the Internet Routing Table: 59
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 17
Illegal AS announcements present in the Routing Table: 1
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 35
Number of addresses announced to Internet: 1178238280
Equivalent to 70 /8s, 58 /16s and 125 /24s
Percentage of available address space announced: 31.8
Percentage of allocated address space announced: 58.3
Percentage of available address space allocated: 54.6
Total number of prefixes smaller than registry allocations: 48192
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 18931
Total APNIC prefixes after maximum aggregation: 11422
Prefixes being announced from the APNIC address blocks: 17438
Unique aggregates announced from the APNIC address blocks: 11015
APNIC Region origin ASes present in the Internet Routing Table: 1621
APNIC Region origin ASes announcing only one prefix: 519
APNIC Region transit ASes present in the Internet Routing Table: 275
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 99343776
Equivalent to 5 /8s, 235 /16s and 221 /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 61/8, 202/7, 210/7, 218/7 and 220/7
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 72582
Total ARIN prefixes after maximum aggregation: 46270
Prefixes being announced from the ARIN address blocks: 50944
Unique aggregates announced from the ARIN address blocks: 15400
ARIN Region origin ASes present in the Internet Routing Table: 7835
ARIN Region origin ASes announcing only one prefix: 2580
ARIN Region transit ASes present in the Internet Routing Table: 751
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 181731936
Equivalent to 10 /8s, 213 /16s and 2 /24s
Percentage of available ARIN address space announced: 67.7
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: 19712
Total RIPE prefixes after maximum aggregation: 14872
Prefixes being announced from the RIPE address blocks: 16411
Unique aggregates announced from the RIPE address blocks: 10956
RIPE Region origin ASes present in the Internet Routing Table: 4093
RIPE Region origin ASes announcing only one prefix: 2216
RIPE Region transit ASes present in the Internet Routing Table: 762
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 14
Number of RIPE addresses announced to Internet: 116147264
Equivalent to 6 /8s, 236 /16s and 68 /24s
Percentage of available RIPE address space announced: 76.9
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
RIPE Address Blocks 62/8, 80/7, 193/8, 194/7, 212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 4780
Total LACNIC prefixes after maximum aggregation: 2055
Prefixes being announced from the LACNIC address blocks: 4124
Unique aggregates announced from the LACNIC address blocks: 2641
LACNIC Region origin ASes present in the Internet Routing Table: 316
LACNIC Region origin ASes announcing only one prefix: 80
LACNIC Region transit ASes present in the Internet Routing Table: 69
Average LACNIC Region AS path length visible: 5.9
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 11483392
Equivalent to 0 /8s, 175 /16s and 57 /24s
Percentage of available LACNIC address space announced: 68.4
LACNIC AS Blocks 26592 - 26623
LACNIC Address Blocks 200/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1221 1194 1185 871 Telstra Pty Ltd
703 395 368 312 UUNET
2907 350 1751 330 SINET Japan
2764 340 356 312 connect.com.au pty ltd
17557 302 22 117 Pakistan Telecom
7474 300 275 203 Optus Communications Pty Ltd
4134 297 2286 97 Data Communications Bureau
4755 277 137 73 Videsh Sanchar Nigam Ltd. Aut
4766 250 1808 158 Korea Internet Exchange for "
4814 229 79 15 China Telecom (Group)
17676 224 3506 31 XTAGE CORPORATION
9443 184 57 71 Primus Telecommunications
9583 161 32 5 Satyam Infoway Ltd.,
4515 135 102 76 Star Internet Services Ltd.
9768 134 385 73 Korea Telecom
4716 128 736 122 TTnet
7657 128 23 90 The Internet Group Limited
9800 122 188 24 CHINA UNICOM
4739 117 56 108 Commerical Internet eXchange
4713 115 1049 104 NTT Communications Corporatio
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1785 9158 1271 UUNET Technologies, Inc.
7018 1350 7177 939 AT&T
3908 1074 1651 508 Supernet, Inc.
1239 882 3187 656 Sprint
7843 757 373 305 Adelphia Corp.
852 736 1145 455 Telus Advanced Communications
1 657 8042 433 GENUITY
7046 597 878 298 UUNET Technologies, Inc.
209 574 2065 336 Qwest
7132 532 673 68 Southwestern Bell Internet Se
4323 518 439 164 Time Warner Communications, I
690 517 75 324 Merit Network
705 443 135 204 UUNET Technologies, Inc.
3549 406 726 293 Global Crossing
2548 404 1116 245 Business Internet, Inc.
6197 398 601 40 BellSouth Network Solutions,
6198 396 180 195 BellSouth Network Solutions,
4355 385 306 109 EarthLink, Inc.
2914 369 2020 358 Verio, Inc.
15290 356 214 174 AT&T Canada IES
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 868 2388 724 UUNET - Commercial IP service
3301 382 1163 333 TeliaNet Sweden
3215 303 772 169 France Telecom Transpac
3320 244 1966 221 Deutsche Telekom AG
680 238 2151 234 DFN-IP service G-WiN
1257 206 414 202 SWIPnet Swedish IP Network
5400 204 83 97 BT Ignite European Backbone
5515 198 782 166 Sonera Solution Autonomous Sy
719 191 306 130 LANLINK autonomous system
786 176 1873 176 The JANET IP Service
2856 169 790 131 BTnet UK Regional network
8708 154 41 147 Romania Data Systems S.A.
3303 142 516 141 Swisscom Ltd
3246 122 373 115 Song Networks
12302 121 17 28 MobiFon S.A.
8220 113 168 104 COLT Internet - International
3269 107 692 65 TELECOM ITALIA
3233 106 10 8 RNC - Romanian Natioanal R&D
2874 103 85 39 Global One Services AB
5511 101 192 84 France Telecom
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 247 114 58 ImpSat USA, Inc.
8151 200 330 109 UniNet S.A. de C.V.
7303 178 27 49 Telecom Argentina Stet-France
11172 168 72 33 Servicios Alestra S.A de C.V
6503 154 190 108 AVANTEL, S.A.
16814 106 7 12 NSS, S.A.
13999 105 20 7 Mega Cable S.A. de C.V.
10620 99 6 30 TVCABLE BOGOTA
11340 79 2 24 Red Universitaria Nacional
15311 76 26 32 Telefonica Empresas
1916 73 409 40 Fundacao de Amparo a Pesquisa
11992 70 7 30 Integrated Systems
4270 68 18 10 Red de Interconexion Universi
15034 65 5 33 TIBA SA
4926 63 4 51 Telintar S.A.
7984 63 27 41 Global One Colombia
2277 59 16 3 ECUANET - CORPORACION ECUATOR
8065 59 6 15 Empresas Publicas de Medellin
7927 58 4 40 Global One Venezuela
6535 55 4 15 Chilesat Servicios Empresari
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
3908 1074 566 Supernet, Inc.
7132 532 464 Southwestern Bell Internet Se
7843 757 452 Adelphia Corp.
7018 1350 411 AT&T
6197 398 358 BellSouth Network Solutions,
4323 518 354 Time Warner Communications, I
1221 1194 323 Telstra Pty Ltd
18566 314 310 Covad Communications
1580 319 306 ANOSCEUR
7046 597 299 UUNET Technologies, Inc.
852 736 281 Telus Advanced Communications
4355 385 276 EarthLink, Inc.
4151 290 274 USDA
6347 349 273 SAVVIS Communications Corpora
705 443 239 UUNET Technologies, Inc.
209 574 238 Qwest
376 334 231 Reseau Interordinateurs Scien
1239 882 226 Sprint
1 657 224 GENUITY
4814 229 214 China Telecom (Group)
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
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
164.233.0.0/16 6020 DISA NETWORK SERVICES
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
192.72.0.0/18 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
192.91.198.0/24 2568 CTS Network Services
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
192.136.136.0/24 7046 UUNET Technologies, Inc.
192.136.136.0/22 568 DISO-UNRRA
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 /9:5 /10:8 /11:11 /12:46
/13:90 /14:237 /15:428 /16:7291 /17:1503 /18:2735
/19:7881 /20:7514 /21:5323 /22:8178 /23:9958 /24:64009
/25:176 /26:223 /27:113 /28:77 /29:53 /30:96
/31:1 /32:32
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 640 1074 Supernet, Inc.
7843 569 757 Adelphia Corp.
702 536 868 UUNET - Commercial IP service
701 493 1785 UUNET Technologies, Inc.
690 465 517 Merit Network
7018 435 1350 AT&T
6198 312 396 BellSouth Network Solutions,
18566 308 314 Covad Communications
1580 305 319 ANOSCEUR
7046 284 597 UUNET Technologies, Inc.
6197 281 398 BellSouth Network Solutions,
1239 270 882 Sprint
209 255 574 Qwest
3215 229 303 France Telecom Transpac
3301 228 382 TeliaNet Sweden
11492 221 226 Cable One
4355 218 385 EarthLink, Inc.
7066 205 307 Virginia Polytechnic Institut
3320 186 244 Deutsche Telekom AG
5400 184 204 BT Ignite European Backbone
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:5 12:571 13:10 15:4 17:7 20:3
24:881 25:1 32:42 38:24 40:10 44:1
55:1 57:14 61:361 62:245 63:1900 64:1282
65:1600 66:1194 67:116 68:168 69:17 80:287
81:61 128:128 129:114 130:18 131:63 132:9
133:2 134:131 135:7 136:511 137:108 138:203
139:71 140:157 141:77 142:73 143:46 144:151
145:18 146:232 147:223 148:253 149:75 150:41
151:95 152:295 153:38 154:8 155:105 156:103
157:103 158:76 159:145 160:20 161:75 162:123
163:82 164:79 165:129 166:104 167:299 168:300
169:60 170:201 171:6 192:5375 193:2374 194:2012
195:816 196:435 198:3620 199:3094 200:2526 202:3477
203:4825 204:3291 205:2104 206:2380 207:2491 208:2566
209:2559 210:597 211:277 212:884 213:797 214:10
215:19 216:2964 217:502 218:49 219:3
End of report
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