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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 Thu 03 Oct, 2002
Analysis Summary
----------------
BGP routing table entries examined: 115299
Prefixes after maximum aggregation: 74248
Unique aggregates announced to Internet: 55178
Total ASes present in the Internet Routing Table: 13830
Origin-only ASes present in the Internet Routing Table: 11956
Origin ASes announcing only one prefix: 5355
Transit ASes present in the Internet Routing Table: 1874
Transit-only ASes present in the Internet Routing Table: 61
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: 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: 1190229996
Equivalent to 70 /8s, 241 /16s and 119 /24s
Percentage of available address space announced: 32.1
Percentage of allocated address space announced: 58.8
Percentage of available address space allocated: 54.6
Total number of prefixes smaller than registry allocations: 47635
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 18693
Total APNIC prefixes after maximum aggregation: 11349
Prefixes being announced from the APNIC address blocks: 17215
Unique aggregates announced from the APNIC address blocks: 10951
APNIC Region origin ASes present in the Internet Routing Table: 1613
APNIC Region origin ASes announcing only one prefix: 522
APNIC Region transit ASes present in the Internet Routing Table: 282
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 13
Number of APNIC addresses announced to Internet: 97731616
Equivalent to 5 /8s, 211 /16s and 68 /24s
Percentage of available APNIC address space announced: 64.3
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: 72179
Total ARIN prefixes after maximum aggregation: 45943
Prefixes being announced from the ARIN address blocks: 50541
Unique aggregates announced from the ARIN address blocks: 15293
ARIN Region origin ASes present in the Internet Routing Table: 7769
ARIN Region origin ASes announcing only one prefix: 2552
ARIN Region transit ASes present in the Internet Routing Table: 750
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 181299520
Equivalent to 10 /8s, 206 /16s and 105 /24s
Percentage of available ARIN address space announced: 67.5
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
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: 19600
Total RIPE prefixes after maximum aggregation: 14872
Prefixes being announced from the RIPE address blocks: 16282
Unique aggregates announced from the RIPE address blocks: 10802
RIPE Region origin ASes present in the Internet Routing Table: 4071
RIPE Region origin ASes announcing only one prefix: 2201
RIPE Region transit ASes present in the Internet Routing Table: 759
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 14
Number of RIPE addresses announced to Internet: 114217344
Equivalent to 6 /8s, 206 /16s and 209 /24s
Percentage of available RIPE address space announced: 75.6
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: 4827
Total LACNIC prefixes after maximum aggregation: 2084
Prefixes being announced from the LACNIC address blocks: 4231
Unique aggregates announced from the LACNIC address blocks: 2630
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: 6.0
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 11349504
Equivalent to 0 /8s, 173 /16s and 46 /24s
Percentage of available LACNIC address space announced: 67.6
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 1198 1187 881 Telstra Pty Ltd
703 399 375 315 UUNET
2907 353 1799 335 SINET Japan
2764 345 357 317 connect.com.au pty ltd
7474 305 275 205 Optus Communications Pty Ltd
4134 291 2268 96 Data Communications Bureau
17557 277 21 109 Pakistan Telecom
4755 254 138 72 Videsh Sanchar Nigam Ltd. Aut
4766 249 1808 157 Korea Internet Exchange for "
4814 224 80 16 China Telecom (Group)
17676 222 3474 32 XTAGE CORPORATION
9443 185 57 70 Primus Telecommunications
9583 165 32 5 Satyam Infoway Ltd.,
4515 138 102 79 Star Internet Services Ltd.
9768 135 385 73 Korea Telecom
7657 128 22 85 The Internet Group Limited
9800 122 188 24 CHINA UNICOM
4739 117 56 108 Commerical Internet eXchange
4713 115 1049 104 NTT Communications Corporatio
4637 107 80 59 Reach Network Border AS
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1785 9232 1284 UUNET Technologies, Inc.
7018 1319 7186 934 AT&T
3908 1047 1652 508 Supernet, Inc.
1239 844 3169 646 Sprint
852 756 1145 457 Telus Advanced Communications
7843 715 371 299 Adelphia Corp.
1 664 8089 439 GENUITY
7132 595 672 71 Southwestern Bell Internet Se
7046 590 879 311 UUNET Technologies, Inc.
209 530 2066 345 Qwest
4323 524 435 165 Time Warner Communications, I
690 518 75 325 Merit Network
7066 491 204 258 Virginia Polytechnic Institut
2548 444 1118 274 Business Internet, Inc.
3549 413 726 299 Global Crossing
705 409 130 199 UUNET Technologies, Inc.
6197 385 597 39 BellSouth Network Solutions,
4355 382 292 104 EarthLink, Inc.
2914 368 2027 361 Verio, Inc.
15290 358 230 175 AT&T Canada IES
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 874 2407 729 UUNET - Commercial IP service
3301 389 907 341 TeliaNet Sweden
3215 294 677 170 France Telecom Transpac
3320 248 1966 225 Deutsche Telekom AG
680 238 2151 234 DFN-IP service G-WiN
5515 214 783 177 Sonera Solution Autonomous Sy
5400 211 84 99 BT Ignite European Backbone
1257 205 444 201 SWIPnet Swedish IP Network
719 191 306 130 LANLINK autonomous system
786 176 1873 176 The JANET IP Service
8708 151 41 145 Romania Data Systems S.A.
3303 144 532 143 Swisscom Ltd
2856 133 788 123 BTnet UK Regional network
3246 123 373 116 Song Networks
12302 122 17 29 MobiFon S.A.
5511 111 191 89 France Telecom
8220 109 168 101 COLT Internet - International
3233 107 10 8 RNC - Romanian Natioanal R&D
3269 106 690 64 TELECOM ITALIA
2874 103 85 39 Global One Services AB
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 201 299 113 UniNet S.A. de C.V.
7303 170 26 49 Telecom Argentina Stet-France
11172 168 88 34 Servicios Alestra S.A de C.V
6503 160 206 112 AVANTEL, S.A.
10834 146 75 35 ADVANCE TELECOMUNICACIONES S.
6140 115 76 28 ImpSat USA, Inc.
16814 107 7 13 NSS, S.A.
13999 103 19 8 Mega Cable S.A. de C.V.
10620 93 6 29 TVCABLE BOGOTA
11340 79 2 24 Red Universitaria Nacional
1916 73 409 40 Fundacao de Amparo a Pesquisa
15311 73 24 31 Telefonica Empresas
15034 72 5 32 TIBA SA
11992 70 7 30 Integrated Systems
4270 67 18 10 Red de Interconexion Universi
7984 64 27 42 Global One Colombia
2277 63 16 3 ECUANET - CORPORACION ECUATOR
4926 63 4 51 Telintar S.A.
8065 59 6 16 Empresas Publicas de Medellin
16528 57 5 35 ImpSat S.A.
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
3908 1047 539 Supernet, Inc.
7132 595 524 Southwestern Bell Internet Se
7843 715 416 Adelphia Corp.
7018 1319 385 AT&T
4323 524 359 Time Warner Communications, I
6197 385 346 BellSouth Network Solutions,
1221 1198 317 Telstra Pty Ltd
1580 320 308 ANOSCEUR
852 756 299 Telus Advanced Communications
18566 286 282 Covad Communications
7046 590 279 UUNET Technologies, Inc.
4355 382 278 EarthLink, Inc.
6347 342 268 SAVVIS Communications Corpora
4151 279 264 USDA
7066 491 233 Virginia Polytechnic Institut
376 341 231 Reseau Interordinateurs Scien
1 664 225 GENUITY
705 409 210 UUNET Technologies, Inc.
11492 222 209 Cable One
4814 224 208 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 /8:18 /9:6 /10:7 /11:12 /12:37
/13:90 /14:237 /15:428 /16:7273 /17:1503 /18:2695
/19:7856 /20:7511 /21:5295 /22:8074 /23:9792 /24:63667
/25:169 /26:211 /27:115 /28:84 /29:52 /30:108
/31:0 /32:59
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 617 1047 Supernet, Inc.
702 538 874 UUNET - Commercial IP service
7843 526 715 Adelphia Corp.
701 488 1785 UUNET Technologies, Inc.
690 465 518 Merit Network
7018 405 1319 AT&T
7066 389 491 Virginia Polytechnic Institut
1580 307 320 ANOSCEUR
18566 280 286 Covad Communications
7046 276 590 UUNET Technologies, Inc.
6197 269 385 BellSouth Network Solutions,
6198 243 313 BellSouth Network Solutions,
1239 239 844 Sprint
3301 232 389 TeliaNet Sweden
3215 225 294 France Telecom Transpac
4355 220 382 EarthLink, Inc.
11492 217 222 Cable One
209 206 530 Qwest
3320 189 248 Deutsche Telekom AG
5400 187 211 BT Ignite European Backbone
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 12:555 13:10 15:4 17:7 20:4
24:852 25:1 32:41 38:24 40:7 44:1
55:1 57:14 61:357 62:241 63:1852 64:1285
65:1522 66:1200 67:110 68:119 80:298 81:60
128:66 129:125 130:19 131:54 132:11 133:1
134:129 135:9 136:589 137:103 138:153 139:70
140:169 141:74 142:70 143:48 144:152 145:17
146:241 147:226 148:246 149:77 150:42 151:61
152:296 153:38 154:9 155:105 156:102 157:107
158:69 159:138 160:23 161:73 162:123 163:88
164:262 165:126 166:106 167:272 168:300 169:57
170:179 171:3 192:5385 193:2386 194:2019 195:822
196:429 198:3589 199:3071 200:2631 202:3379 203:4791
204:3273 205:2141 206:2387 207:2478 208:2546 209:2582
210:589 211:246 212:879 213:725 214:8 215:19
216:2943 217:504 218:46 219:2
End of report
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