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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 Wed 28 Aug, 2002
Analysis Summary
----------------
BGP routing table entries examined: 114892
Prefixes after maximum aggregation: 74426
Unique aggregates announced to Internet: 53986
Total ASes present in the Internet Routing Table: 13615
Origin-only ASes present in the Internet Routing Table: 11784
Origin ASes announcing only one prefix: 5253
Transit ASes present in the Internet Routing Table: 1831
Transit-only ASes present in the Internet Routing Table: 58
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 18
Illegal AS announcements present in the Routing Table: 6
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 34
Number of addresses announced to Internet: 1188925092
Equivalent to 70 /8s, 221 /16s and 142 /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: 46764
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 19055
Total APNIC prefixes after maximum aggregation: 11373
Prefixes being announced from the APNIC address blocks: 17580
Unique aggregates announced from the APNIC address blocks: 10758
APNIC Region origin ASes present in the Internet Routing Table: 1598
APNIC Region origin ASes announcing only one prefix: 526
APNIC Region transit ASes present in the Internet Routing Table: 274
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 12
Number of APNIC addresses announced to Internet: 93512032
Equivalent to 5 /8s, 146 /16s and 225 /24s
Percentage of available APNIC address space announced: 61.5
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: 76422
Total ARIN prefixes after maximum aggregation: 48356
Prefixes being announced from the ARIN address blocks: 54343
Unique aggregates announced from the ARIN address blocks: 16973
ARIN Region origin ASes present in the Internet Routing Table: 7997
ARIN Region origin ASes announcing only one prefix: 2582
ARIN Region transit ASes present in the Internet Routing Table: 802
Average ARIN Region AS path length visible: 5.3
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 195828080
Equivalent to 11 /8s, 172 /16s and 25 /24s
Percentage of available ARIN address space announced: 68.7
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 - 26623
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 199/8, 200/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 19415
Total RIPE prefixes after maximum aggregation: 14697
Prefixes being announced from the RIPE address blocks: 16124
Unique aggregates announced from the RIPE address blocks: 10604
RIPE Region origin ASes present in the Internet Routing Table: 3962
RIPE Region origin ASes announcing only one prefix: 2145
RIPE Region transit ASes present in the Internet Routing Table: 742
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 17
Number of RIPE addresses announced to Internet: 113460736
Equivalent to 6 /8s, 195 /16s and 70 /24s
Percentage of available RIPE address space announced: 75.1
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 1210 1189 888 Telstra Pty Ltd
4538 580 1330 18 China Education and Research
703 397 375 310 UUNET
2907 361 1815 340 SINET Japan
2764 358 358 329 connect.com.au pty ltd
7474 319 292 214 Optus Communications Pty Ltd
4134 302 2222 96 Data Communications Bureau
4755 284 142 73 Videsh Sanchar Nigam Ltd. Aut
17557 270 20 101 Pakistan Telecom
4766 250 1507 157 Korea Internet Exchange for "
4814 231 79 14 China Telecom (Group)
17676 192 2994 34 XTAGE CORPORATION
9443 178 57 66 Primus Telecommunications
9583 172 32 5 Satyam Infoway Ltd.,
7539 146 205 140 TANet2, sponsored by NSC, TAI
9768 144 385 74 Korea Telecom
4515 140 102 81 Star Internet Services Ltd.
7657 130 22 90 The Internet Group Limited
9800 121 187 23 CHINA UNICOM
4739 115 56 106 Commerical Internet eXchange
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 886 2428 742 UUNET - Commercial IP service
3301 398 908 346 TeliaNet Sweden
5515 319 783 179 Sonera Solution Autonomous Sy
3215 291 641 180 France Telecom Transpac
3320 246 1964 212 Deutsche Telekom AG
680 238 2151 234 DFN-IP service G-WiN
5400 213 85 101 BT Ignite European Backbone
1257 209 444 204 SWIPnet Swedish IP Network
719 190 306 130 LANLINK autonomous system
786 177 1873 177 The JANET IP Service
8708 147 41 143 Romania Data Systems S.A.
3303 143 546 142 Swisscom Ltd
2856 126 786 116 BTnet UK Regional network
12302 125 18 32 MobiFon S.A.
3246 119 372 112 Song Networks
5511 110 192 88 France Telecom
3233 108 10 9 RNC - Romanian Natioanal R&D
3269 106 658 63 TELECOM ITALIA
8220 100 166 96 COLT Internet - International
2874 99 85 38 Global One Services AB
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1782 9126 1356 UUNET Technologies, Inc.
7018 1285 7197 919 AT&T
3908 1033 1649 499 Supernet, Inc.
1239 837 3209 647 Sprint
852 729 1175 451 Telus Advanced Communications
1 664 8039 430 GENUITY
7843 651 371 274 Adelphia Corp.
7046 603 881 308 UUNET Technologies, Inc.
7132 594 664 137 Southwestern Bell Internet Se
4323 562 450 176 Time Warner Communications, I
209 518 2074 345 Qwest
690 518 75 325 Merit Network
7066 489 203 256 Virginia Polytechnic Institut
2548 460 1145 272 Business Internet, Inc.
3549 418 726 301 Global Crossing
15290 368 248 183 AT&T Canada IES
6197 363 254 182 BellSouth Network Solutions,
2914 357 2041 357 Verio, Inc.
4355 354 286 86 EarthLink, Inc.
6347 349 370 76 SAVVIS Communications Corpora
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4538 580 562 China Education and Research
3908 1033 534 Supernet, Inc.
7132 594 457 Southwestern Bell Internet Se
4323 562 386 Time Warner Communications, I
7843 651 377 Adelphia Corp.
7018 1285 366 AT&T
1221 1210 322 Telstra Pty Ltd
7046 603 295 UUNET Technologies, Inc.
4151 302 286 USDA
852 729 278 Telus Advanced Communications
6347 349 273 SAVVIS Communications Corpora
4355 354 268 EarthLink, Inc.
18566 264 260 Covad Communications
1 664 234 GENUITY
7066 489 233 Virginia Polytechnic Institut
376 339 233 Reseau Interordinateurs Scien
4814 231 217 China Telecom (Group)
4755 284 211 Videsh Sanchar Nigam Ltd. Aut
4134 302 206 Data Communications Bureau
1580 211 200 ANOSCEUR
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
26149 UNALLOCATED 66.150.188.0/23 10912 InterNAP Network Ser
25824 UNALLOCATED 204.76.114.0/24 7018 AT&T
22076 UNALLOCATED 204.126.80.0/23 5738 SoVerNet, Inc.
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
22076 UNALLOCATED 207.136.220.0/24 5738 SoVerNet, Inc.
23135 UNALLOCATED 208.49.130.0/24 3549 Global Crossing
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
192.44.0.0/19 702 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
192.119.135.0/24 270 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 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 /8:20 /9:6 /10:7 /11:12 /12:37
/13:86 /14:236 /15:425 /16:7302 /17:1483 /18:2686
/19:7814 /20:7624 /21:5309 /22:8042 /23:9702 /24:63236
/25:227 /26:234 /27:139 /28:86 /29:46 /30:85
/31:1 /32:47
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 605 1033 Supernet, Inc.
702 540 886 UUNET - Commercial IP service
701 495 1782 UUNET Technologies, Inc.
690 464 518 Merit Network
7843 451 651 Adelphia Corp.
7066 388 489 Virginia Polytechnic Institut
7018 382 1285 AT&T
7046 291 603 UUNET Technologies, Inc.
6197 264 363 BellSouth Network Solutions,
18566 260 264 Covad Communications
6198 242 318 BellSouth Network Solutions,
3301 236 398 TeliaNet Sweden
1239 227 837 Sprint
3215 223 291 France Telecom Transpac
4355 203 354 EarthLink, Inc.
1580 199 211 ANOSCEUR
209 193 518 Qwest
4323 191 562 Time Warner Communications, I
5400 187 213 BT Ignite European Backbone
11492 187 191 Cable One
Number of /24s announced per /8 block (Global)
----------------------------------------------
3:1 4:1 12:545 13:10 15:2 17:6
20:4 24:816 25:1 32:41 38:9 40:6
44:1 55:1 57:14 61:318 62:236 63:1847
64:1226 65:1470 66:1061 67:96 68:92 80:264
81:46 128:65 129:158 130:21 131:55 132:11
133:2 134:124 135:9 136:501 137:95 138:148
139:67 140:186 141:73 142:69 143:50 144:139
145:17 146:258 147:143 148:244 149:79 150:41
151:58 152:265 153:36 154:11 155:107 156:71
157:111 158:65 159:140 160:20 161:76 162:123
163:87 164:264 165:128 166:103 167:266 168:120
169:61 170:194 171:3 192:5476 193:2381 194:2081
195:810 196:416 198:3672 199:3121 200:2637 202:3343
203:4751 204:3266 205:2145 206:2510 207:2509 208:2598
209:2695 210:607 211:239 212:879 213:712 214:8
215:20 216:2843 217:502 218:36 219:1
End of report
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