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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 Tue 06 Aug, 2002
Analysis Summary
----------------
BGP routing table entries examined: 114584
Prefixes after maximum aggregation: 74014
Unique aggregates announced to Internet: 54552
Total ASes present in the Internet Routing Table: 13499
Origin-only ASes present in the Internet Routing Table: 11685
Origin ASes announcing only one prefix: 5186
Transit ASes present in the Internet Routing Table: 1814
Transit-only ASes present in the Internet Routing Table: 54
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: 1191501381
Equivalent to 71 /8s, 4 /16s and 222 /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: 46481
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 18893
Total APNIC prefixes after maximum aggregation: 11231
Prefixes being announced from the APNIC address blocks: 17401
Unique aggregates announced from the APNIC address blocks: 10610
APNIC Region origin ASes present in the Internet Routing Table: 1581
APNIC Region origin ASes announcing only one prefix: 517
APNIC Region transit ASes present in the Internet Routing Table: 277
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 90413792
Equivalent to 5 /8s, 99 /16s and 154 /24s
Percentage of available APNIC address space announced: 59.5
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: 76307
Total ARIN prefixes after maximum aggregation: 48171
Prefixes being announced from the ARIN address blocks: 54073
Unique aggregates announced from the ARIN address blocks: 17912
ARIN Region origin ASes present in the Internet Routing Table: 7944
ARIN Region origin ASes announcing only one prefix: 2554
ARIN Region transit ASes present in the Internet Routing Table: 787
Average ARIN Region AS path length visible: 5.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 194211392
Equivalent to 11 /8s, 147 /16s and 110 /24s
Percentage of available ARIN address space announced: 72.3
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: 19384
Total RIPE prefixes after maximum aggregation: 14612
Prefixes being announced from the RIPE address blocks: 16048
Unique aggregates announced from the RIPE address blocks: 10513
RIPE Region origin ASes present in the Internet Routing Table: 3920
RIPE Region origin ASes announcing only one prefix: 2115
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: 112927008
Equivalent to 6 /8s, 187 /16s and 33 /24s
Percentage of available RIPE address space announced: 74.8
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 1251 1192 898 Telstra Pty Ltd
4538 564 1279 27 China Education and Research
703 407 376 319 UUNET
2907 363 1848 341 SINET Japan
2764 359 358 330 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 285 111 79 Videsh Sanchar Nigam Ltd. Aut
4766 249 1506 156 Korea Internet Exchange for "
4814 220 79 14 China Telecom (Group)
9583 183 32 5 Satyam Infoway Ltd.,
17676 174 2706 34 XTAGE CORPORATION
9443 170 45 68 Primus Telecommunications
7539 148 189 143 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 116 11 64 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 2434 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 1857 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 122 17 29 MobiFon S.A.
3269 113 690 68 TELECOM ITALIA
3246 112 317 107 Song Networks
5511 110 192 88 France Telecom
3233 106 10 9 RNC - Romanian Natioanal R&D
2874 102 85 39 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 1803 9226 1368 UUNET Technologies, Inc.
7018 1297 7434 938 AT&T
3908 1002 1656 487 Supernet, Inc.
1239 813 3248 648 Sprint
852 754 1175 451 Telus Advanced Communications
1 698 8051 447 GENUITY
4323 637 442 261 Time Warner Communications, I
7843 623 367 228 Adelphia Corp.
7132 591 663 137 Southwestern Bell Internet Se
209 537 2057 341 Qwest
690 520 75 331 Merit Network
7046 520 886 324 UUNET Technologies, Inc.
7066 486 203 254 Virginia Polytechnic Institut
7029 452 164 54 Alltel Information Services,
3549 437 824 313 Global Crossing
6197 378 599 48 BellSouth Network Solutions,
15290 376 297 192 AT&T Canada IES
2149 368 166 271 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 1002 515 Supernet, Inc.
7132 591 454 Southwestern Bell Internet Se
7029 452 398 Alltel Information Services,
7843 623 395 Adelphia Corp.
4323 637 376 Time Warner Communications, I
7018 1297 359 AT&T
1221 1251 353 Telstra Pty Ltd
6197 378 330 BellSouth Network Solutions,
852 754 303 Telus Advanced Communications
1657 280 278 University of Louisville
6347 345 270 SAVVIS Communications Corpora
4151 286 270 USDA
4355 328 258 EarthLink, Inc.
1 698 251 GENUITY
18566 237 233 Covad Communications
7066 486 232 Virginia Polytechnic Institut
376 331 226 Reseau Interordinateurs Scien
7303 271 211 Telecom Argentina Stet-France
4755 285 206 Videsh Sanchar Nigam Ltd. Aut
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 /16:7289 /17:1470 /18:2672
/19:7719 /20:7506 /21:5266 /22:7991 /23:9667 /24:63350
/25:201 /26:180 /27:100 /28:93 /29:71 /30:114
/31:0 /32:78
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 590 1002 Supernet, Inc.
702 556 911 UUNET - Commercial IP service
701 486 1803 UUNET Technologies, Inc.
690 466 520 Merit Network
7843 421 623 Adelphia Corp.
7066 389 486 Virginia Polytechnic Institut
7018 359 1297 AT&T
7029 357 452 Alltel Information Services,
1657 279 280 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
3215 220 288 France Telecom Transpac
209 215 537 Qwest
1239 212 813 Sprint
1580 202 215 ANOSCEUR
3320 201 269 Deutsche Telekom AG
1 195 698 GENUITY
7046 190 520 UUNET Technologies, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
3:1 4:3 12:527 13:10 15:2 17:6
20:3 24:701 25:1 32:41 38:9 40:6
44:1 57:13 61:326 62:235 63:1865 64:1222
65:1416 66:974 67:94 68:79 80:256 81:42
128:67 129:132 130:22 131:55 132:11 133:2
134:122 135:9 136:343 137:95 138:150 139:72
140:175 141:43 142:69 143:50 144:145 145:17
146:189 147:142 148:243 149:79 150:40 151:67
152:271 153:36 154:11 155:114 156:69 157:124
158:69 159:134 160:19 161:76 162:213 163:87
164:265 165:128 166:218 167:259 168:292 169:60
170:234 171:3 192:5474 193:2370 194:2078 195:806
196:414 198:3679 199:3161 200:2723 202:3302 203:4751
204:3246 205:2181 206:2667 207:2500 208:2602 209:2703
210:585 211:237 212:895 213:723 214:9 215:20
216:2855 217:484 218:30 219:1
End of report
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