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[bgp-stats] Routing Table Report - Japan view
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 04:00 +10GMT Mon 05 Aug, 2002
Analysis Summary
----------------
BGP routing table entries examined: 114576
Prefixes after maximum aggregation: 74028
Unique aggregates announced to Internet: 54559
Total ASes present in the Internet Routing Table: 13488
Origin-only ASes present in the Internet Routing Table: 11674
Origin ASes announcing only one prefix: 5180
Transit ASes present in the Internet Routing Table: 1814
Transit-only ASes present in the Internet Routing Table: 52
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 23
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: 1191051989
Equivalent to 70 /8s, 254 /16s and 2 /24s
Percentage of available address space announced: 32.1
Percentage of allocated address space announced: 59.4
Percentage of available address space allocated: 54.1
Total number of prefixes smaller than registry allocations: 46497
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 18891
Total APNIC prefixes after maximum aggregation: 11227
Prefixes being announced from the APNIC address blocks: 17394
Unique aggregates announced from the APNIC address blocks: 10596
APNIC Region origin ASes present in the Internet Routing Table: 1579
APNIC Region origin ASes announcing only one prefix: 516
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: 12
Number of APNIC addresses announced to Internet: 90318944
Equivalent to 5 /8s, 98 /16s and 40 /24s
Percentage of available APNIC address space announced: 59.4
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: 76306
Total ARIN prefixes after maximum aggregation: 48200
Prefixes being announced from the ARIN address blocks: 54076
Unique aggregates announced from the ARIN address blocks: 17951
ARIN Region origin ASes present in the Internet Routing Table: 7944
ARIN Region origin ASes announcing only one prefix: 2552
ARIN Region transit ASes present in the Internet Routing Table: 788
Average ARIN Region AS path length visible: 5.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 194214480
Equivalent to 11 /8s, 147 /16s and 122 /24s
Percentage of available ARIN address space announced: 72.4
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 - 26623
ARIN Address Blocks 24/8, 63/8, 64/6, 68/8, 199/8, 200/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 19379
Total RIPE prefixes after maximum aggregation: 14601
Prefixes being announced from the RIPE address blocks: 16050
Unique aggregates announced from the RIPE address blocks: 10495
RIPE Region origin ASes present in the Internet Routing Table: 3913
RIPE Region origin ASes announcing only one prefix: 2112
RIPE Region transit ASes present in the Internet Routing Table: 736
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 112814880
Equivalent to 6 /8s, 185 /16s and 107 /24s
Percentage of available RIPE address space announced: 74.7
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
RIPE Address Blocks 62/8, 80/7, 193/8, 194/7, 212/7 and 217/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1221 1252 1191 895 Telstra Pty Ltd
4538 564 1279 27 China Education and Research
703 414 376 326 UUNET
2907 364 1848 342 SINET Japan
2764 357 358 328 connect.com.au pty ltd
7474 320 296 213 Optus Communications Pty Ltd
17557 298 20 94 Pakistan Telecom
4134 292 2158 103 Data Communications Bureau
4755 288 112 77 Videsh Sanchar Nigam Ltd. Aut
4766 249 1506 156 Korea Internet Exchange for "
4814 220 79 14 China Telecom (Group)
9583 182 32 5 Satyam Infoway Ltd.,
17676 173 2690 33 XTAGE CORPORATION
9443 170 45 68 Primus Telecommunications
7539 147 189 142 TANet2, sponsored by NSC, TAI
9768 144 385 74 Korea Telecom
7657 133 22 91 The Internet Group Limited
9800 125 191 18 CHINA UNICOM
4621 117 11 63 UNINET-TH
4713 115 1009 106 NTT Communications Corporatio
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 911 2436 760 UUNET - Commercial IP service
3301 396 923 346 TeliaNet Sweden
5515 320 783 180 Sonera Solution Autonomous Sy
3215 288 641 178 France Telecom Transpac
3320 269 1965 208 Deutsche Telekom AG
680 235 2150 232 DFN-IP service G-WiN
5400 210 85 98 BT Ignite European Backbone
1257 208 446 203 SWIPnet Swedish IP Network
719 183 306 128 LANLINK autonomous system
786 176 1871 176 The JANET IP Service
8708 142 23 138 Romania Data Systems S.A.
3303 141 548 140 Swisscom Ltd
2856 128 787 118 BTnet UK Regional network
12302 120 8 27 MobiFon S.A.
3269 113 690 68 TELECOM ITALIA
3246 112 317 107 Song Networks
5511 110 192 88 France Telecom
3233 107 10 9 RNC - Romanian Natioanal R&D
2874 99 84 37 Global One Services AB
8297 96 47 52 BCE Teleglobe Canada Inc.
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1800 9226 1367 UUNET Technologies, Inc.
7018 1300 7435 940 AT&T
3908 1001 1656 487 Supernet, Inc.
1239 829 3233 649 Sprint
852 754 1175 451 Telus Advanced Communications
1 695 8050 444 GENUITY
4323 637 442 261 Time Warner Communications, I
7843 622 366 230 Adelphia Corp.
7132 588 663 135 Southwestern Bell Internet Se
209 543 2057 342 Qwest
7046 520 886 324 UUNET Technologies, Inc.
690 518 75 329 Merit Network
7066 486 203 254 Virginia Polytechnic Institut
7029 451 164 54 Alltel Information Services,
3549 433 822 309 Global Crossing
6197 378 599 48 BellSouth Network Solutions,
15290 376 297 192 AT&T Canada IES
2149 367 166 270 Performance Systems, Inc.
2914 363 2081 363 Verio, Inc.
6347 345 370 75 SAVVIS Communications Corpora
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4538 564 537 China Education and Research
3908 1001 514 Supernet, Inc.
7132 588 453 Southwestern Bell Internet Se
7029 451 397 Alltel Information Services,
7843 622 392 Adelphia Corp.
4323 637 376 Time Warner Communications, I
7018 1300 360 AT&T
1221 1252 357 Telstra Pty Ltd
6197 378 330 BellSouth Network Solutions,
852 754 303 Telus Advanced Communications
1657 279 277 University of Louisville
4151 289 273 USDA
6347 345 270 SAVVIS Communications Corpora
4355 327 257 EarthLink, Inc.
1 695 251 GENUITY
18566 237 233 Covad Communications
7066 486 232 Virginia Polytechnic Institut
376 330 226 Reseau Interordinateurs Scien
4755 288 211 Videsh Sanchar Nigam Ltd. Aut
7303 271 211 Telecom Argentina Stet-France
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
192.5.154.0/24 16588 Spider Web Hosting Solutions
192.44.0.0/19 702 UUNET - Commercial IP service
192.58.92.0/24 19548 Adelphia Business Solutions
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
192.92.167.0/24 297 NASA Science Network
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
192.195.253.0/24 237 Merit Network
192.208.29.0/24 3908 Supernet, Inc.
192.208.30.0/23 3908 Supernet, Inc.
192.243.36.0/23 7168 Northwest Link
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:7 /10:7 /11:12 /12:37
/13:86 /14:232 /15:417 /16:7284 /17:1471 /18:2671
/19:7715 /20:7513 /21:5270 /22:8001 /23:9663 /24:63339
/25:200 /26:178 /27:100 /28:93 /29:71 /30:114
/31:0 /32:76
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 590 1001 Supernet, Inc.
702 555 911 UUNET - Commercial IP service
701 484 1800 UUNET Technologies, Inc.
690 464 518 Merit Network
7843 421 622 Adelphia Corp.
7066 389 486 Virginia Polytechnic Institut
7018 357 1300 AT&T
7029 356 451 Alltel Information Services,
1657 278 279 University of Louisville
6197 264 378 BellSouth Network Solutions,
6198 243 316 BellSouth Network Solutions,
3301 234 396 TeliaNet Sweden
18566 233 237 Covad Communications
209 221 543 Qwest
3215 220 288 France Telecom Transpac
1239 213 829 Sprint
3320 201 269 Deutsche Telekom AG
1580 200 213 ANOSCEUR
1 195 695 GENUITY
7046 190 520 UUNET Technologies, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 12:526 13:10 15:2 17:6 20:3
24:702 25:1 32:41 38:9 40:6 44:1
57:13 61:326 62:240 63:1861 64:1223 65:1416
66:973 67:95 68:79 80:258 81:37 128:60
129:131 130:22 131:55 132:11 133:2 134:122
135:9 136:342 137:95 138:151 139:72 140:175
141:43 142:69 143:50 144:143 145:17 146:188
147:142 148:241 149:79 150:40 151:67 152:270
153:36 154:12 155:114 156:69 157:125 158:69
159:134 160:19 161:75 162:212 163:86 164:264
165:129 166:218 167:259 168:293 169:60 170:230
171:3 192:5470 193:2368 194:2086 195:808 196:414
198:3677 199:3164 200:2733 202:3297 203:4753 204:3237
205:2182 206:2669 207:2502 208:2601 209:2709 210:593
211:236 212:901 213:725 214:9 215:20 216:2848
217:473 218:30
End of report
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