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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 01 Jul, 2002
Analysis Summary
----------------
BGP routing table entries examined: 113407
Prefixes after maximum aggregation: 73618
Unique aggregates announced to Internet: 53553
Total ASes present in the Internet Routing Table: 13306
Origin-only ASes present in the Internet Routing Table: 11523
Origin ASes announcing only one prefix: 5108
Transit ASes present in the Internet Routing Table: 1783
Transit-only ASes present in the Internet Routing Table: 47
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 16
Illegal AS announcements present in the Routing Table: 4
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 36
Number of addresses announced to Internet: 1200023516
Equivalent to 71 /8s, 134 /16s and 231 /24s
Percentage of available address space announced: 32.4
Percentage of allocated address space announced: 60.3
Percentage of available address space allocated: 53.7
Total number of prefixes smaller than registry allocations: 45865
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 18557
Total APNIC prefixes after maximum aggregation: 11065
Prefixes being announced from the APNIC address blocks: 17054
Unique aggregates announced from the APNIC address blocks: 10456
APNIC Region origin ASes present in the Internet Routing Table: 1547
APNIC Region origin ASes announcing only one prefix: 504
APNIC Region transit ASes present in the Internet Routing Table: 274
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 12
Number of APNIC addresses announced to Internet: 87804768
Equivalent to 5 /8s, 59 /16s and 203 /24s
Percentage of available APNIC address space announced: 64.9
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 220/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 75633
Total ARIN prefixes after maximum aggregation: 47961
Prefixes being announced from the ARIN address blocks: 53794
Unique aggregates announced from the ARIN address blocks: 17622
ARIN Region origin ASes present in the Internet Routing Table: 7832
ARIN Region origin ASes announcing only one prefix: 2513
ARIN Region transit ASes present in the Internet Routing Table: 771
Average ARIN Region AS path length visible: 5.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 192598612
Equivalent to 11 /8s, 122 /16s and 210 /24s
Percentage of available ARIN address space announced: 71.7
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, 68/8, 199/8, 200/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 19215
Total RIPE prefixes after maximum aggregation: 14592
Prefixes being announced from the RIPE address blocks: 15923
Unique aggregates announced from the RIPE address blocks: 9939
RIPE Region origin ASes present in the Internet Routing Table: 3881
RIPE Region origin ASes announcing only one prefix: 2091
RIPE Region transit ASes present in the Internet Routing Table: 721
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 116663840
Equivalent to 6 /8s, 244 /16s and 38 /24s
Percentage of available RIPE address space announced: 77.3
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 1264 1222 904 Telstra Pty Ltd
4538 438 1258 17 China Education and Research
703 401 358 319 UUNET Technologies, Inc.
2764 368 358 337 connect.com.au pty ltd
2907 366 1864 340 SINET Japan
7474 313 292 208 Optus Communications Pty Ltd
17557 292 19 112 Pakistan Telecom
4134 289 2114 105 Data Communications Bureau
4755 276 116 82 Videsh Sanchar Nigam Ltd. Aut
9443 262 45 66 Primus Telecommunications
4713 226 1009 106 NTT Communications Corporatio
4766 215 1504 154 Korea Internet Exchange for "
4814 201 79 14 China Telecom (Group) - Beiji
9583 178 32 5 Satyam Infoway Ltd.,
17676 152 2354 23 XTAGE CORPORATION
7539 151 202 146 TANet2, sponsored by NSC, TAI
9768 145 386 74 Korea Telecom
7657 139 22 88 The Internet Group Limited
9800 125 191 18 CHINA UNICOM
4621 111 11 63 UNINET-TH
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 1014 2567 837 UUNET Technologies, Inc.
3301 402 925 351 TeliaNet Sweden
3352 280 535 29 Ibernet, Internet Access Netw
3215 267 614 166 France Telecom / &Equant
3320 241 1947 193 Deutsche Telekom AG
680 233 2149 230 DFN-IP service G-WiN
5515 206 783 172 Sonera Finland Autonomous Sys
5400 205 83 94 Concert European Core Network
1257 203 430 200 SWIPnet Swedish IP Network
719 191 306 129 LANLINK autonomous system
786 178 1873 177 The JANET IP Service
8708 138 23 135 Romania Data Systems S.A.
3303 136 546 135 Swisscom Ltd
2856 126 786 116 BTnet UK Regional network
12302 122 17 34 MobiFon S.A.
3269 111 690 68 TELECOM ITALIA
3246 110 301 105 Song Networks / Clinet
5511 109 192 88 France Telecom
8297 104 4129 54 Teleglobe Autonomous System i
2874 102 85 39 Global One Services AB
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1858 9257 1383 UUNET Technologies, Inc.
7018 1288 7453 929 AT&T
3908 916 1641 496 Supernet, Inc.
1239 821 3345 647 Sprint
1 693 8091 447 GENUITY
852 682 1173 448 Telus Advanced Communications
4323 632 438 259 Time Warner Communications, I
209 614 2011 351 Qwest
7843 609 355 242 Adelphia Corp.
7046 585 876 373 UUNET Technologies, Inc.
7132 579 659 133 Southwestern Bell Internet Se
690 511 75 317 Merit Network
7029 478 167 58 Alltel Information Services,
7066 478 202 251 Virginia Polytechnic Institut
2149 455 197 347 Performance Systems, Inc.
3549 438 836 314 Global Crossing
2914 406 2100 383 Verio, Inc.
15290 381 297 196 AT&T Canada IES
6197 347 248 169 BellSouth Network Solutions,
6347 341 370 80 SAVVIS Communications Corpora
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
7132 579 446 Southwestern Bell Internet Se
4538 438 421 China Education and Research
3908 916 420 Supernet, Inc.
7029 478 420 Alltel Information Services,
4323 632 373 Time Warner Communications, I
7843 609 367 Adelphia Corp.
1221 1264 360 Telstra Pty Ltd
7018 1288 359 AT&T
11371 292 286 Rhythms NetConnections
4151 289 273 USDA
209 614 263 Qwest
6347 341 261 SAVVIS Communications Corpora
4355 304 252 EarthLink, Inc.
3352 280 251 Ibernet, Internet Access Netw
1 693 246 GENUITY
852 682 234 Telus Advanced Communications
7066 478 227 Virginia Polytechnic Institut
4454 249 226 OIR Telecommunications, State
18566 228 224 Covad Communications
6198 323 218 BellSouth Network Solutions,
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65111 PRIVATE 64.200.152.0/23 7911 Williams Communicati
65111 PRIVATE 64.200.154.0/23 7911 Williams Communicati
1877 UNALLOCATED 192.108.201.0/24 1880 Stupi, house man's p
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
192.26.98.0/24 1239 Sprint
192.44.0.0/19 702 UUNET Technologies, Inc.
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 Finland Autonomous Sys
192.83.32.0/19 5515 Sonera Finland Autonomous Sys
192.83.96.0/22 5515 Sonera Finland Autonomous Sys
192.83.100.0/24 5515 Sonera Finland Autonomous Sys
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
192.135.248.0/23 109 Cisco Systems, Inc.
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
192.152.213.0/24 1239 Sprint
192.153.136.0/21 568 DISO-UNRRA
192.156.0.0/19 568 DISO-UNRRA
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 /8:21 /9:6 /10:7 /11:12 /12:36
/13:87 /14:233 /15:417 /16:7236 /17:1443 /18:2633
/19:7693 /20:7316 /21:5145 /22:7906 /23:9623 /24:62978
/25:178 /26:161 /27:71 /28:66 /29:42 /30:73
/31:0 /32:24
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
702 626 1014 UUNET Technologies, Inc.
701 511 1858 UUNET Technologies, Inc.
3908 506 916 Supernet, Inc.
690 452 511 Merit Network
7843 419 609 Adelphia Corp.
7066 383 478 Virginia Polytechnic Institut
7029 376 478 Alltel Information Services,
7018 353 1288 AT&T
209 271 614 Qwest
6197 249 347 BellSouth Network Solutions,
11371 245 292 Rhythms NetConnections
3301 238 402 TeliaNet Sweden
6198 236 323 BellSouth Network Solutions,
7046 228 585 UUNET Technologies, Inc.
18566 224 228 Covad Communications
1239 206 821 Sprint
3352 204 280 Ibernet, Internet Access Netw
1580 203 233 HQ, 5th Signal Command
3215 200 267 France Telecom / &Equant
4454 195 249 OIR Telecommunications, State
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 9:1 12:502 13:10 15:2 17:6
20:2 24:795 25:1 32:41 38:9 40:6
44:1 57:13 61:269 62:212 63:1902 64:1246
65:1402 66:993 67:89 68:46 80:256 81:30
128:60 129:134 130:22 131:48 132:11 133:3
134:120 135:8 136:245 137:91 138:147 139:69
140:175 141:122 142:80 143:40 144:153 145:14
146:180 147:138 148:223 149:90 150:40 151:66
152:261 153:33 154:14 155:97 156:77 157:127
158:70 159:128 160:18 161:69 162:213 163:97
164:269 165:133 166:223 167:172 168:131 169:60
170:359 171:3 192:5478 193:2353 194:2067 195:932
196:394 198:3652 199:3193 200:2559 202:3231 203:4646
204:3256 205:2182 206:2682 207:2549 208:2676 209:2649
210:587 211:227 212:901 213:644 214:9 215:19
216:2832 217:463 218:45 219:81
End of report
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