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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 23 Oct, 2001
Analysis Summary
----------------
BGP routing table entries examined: 110447
Origin ASes present in the Internet Routing Table: 11954
Origin ASes announcing only one prefix: 4411
Transit ASes present in the Internet Routing Table: 1561
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 17
Illegal AS announcements present in the Routing Table: 62
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 15
Number of addresses announced to Internet: 1266131996
Equivalent to 75 /8s, 119 /16s and 164 /24s
Percentage of available address space announced: 34.2
Percentage of allocated address space announced: 65.2
Percentage of available address space allocated: 52.4
Total number of prefixes smaller than registry allocations: 74907
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16721
Prefixes being announced from the APNIC address blocks: 15302
APNIC Region origin ASes present in the Internet Routing Table: 1386
APNIC Region origin ASes announcing only one prefix: 460
APNIC Region transit ASes present in the Internet Routing Table: 234
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 82944004
Equivalent to 4 /8s, 241 /16s and 160 /24s
Percentage of available APNIC address space announced: 70.0
APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239, 17408 - 18431
APNIC Address Blocks 61/8, 202/7, 210/7 and 218/7
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 75902
Prefixes being announced from the ARIN address blocks: 53849
ARIN Region origin ASes present in the Internet Routing Table: 7190
ARIN Region origin ASes announcing only one prefix: 2154
ARIN Region transit ASes present in the Internet Routing Table: 723
Average ARIN Region AS path length visible: 5.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 219181961
Equivalent to 13 /8s, 16 /16s and 115 /24s
Percentage of available ARIN address space announced: 81.7
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 - 22527
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: 17820
Prefixes being announced from the RIPE address blocks: 14230
RIPE Region origin ASes present in the Internet Routing Table: 3386
RIPE Region origin ASes announcing only one prefix: 1797
RIPE Region transit ASes present in the Internet Routing Table: 603
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 109322604
Equivalent to 6 /8s, 132 /16s and 33 /24s
Percentage of available RIPE address space announced: 72.4
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
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 Description
1221 1563 1290 Telstra Pty Ltd
2764 411 359 connect.com.au pty ltd
703 374 351 UUNET Technologies, Inc.
2907 373 1880 SINET Japan
4755 303 165 Videsh Sanchar Nigam Ltd. Aut
7474 290 274 Optus Communications Pty Ltd
4134 249 1864 Data Communications Bureau
4766 186 1466 Korea Internet Exchange for "
4740 184 27 OzEmail ISP
1659 174 1174 Taiwan Academic Network (TANe
7539 168 165 TANet2, sponsored by NSC, TAI
9443 160 54 Primus Telecommunications
2521 139 171 PSINet Japan
17557 136 9 Pakistan Telecom
4812 131 298 China Telecom (Group)
9768 131 363 Korea Telecom
9583 122 61 Satyam Infoway Ltd.,
4763 121 69 Telstra New Zealand
4786 121 14 NetConnect Communications Pty
4713 118 901 NTT Communications Corporatio
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 918 1932 UUNET Technologies, Inc.
3301 435 950 TeliaNet Sweden
1257 274 516 SWIPnet Swedish IP Network
680 241 2309 DFN-IP service G-WiN
3215 236 539 France Telecom / &Equant
5515 195 688 Sonera Finland Autonomous Sys
3320 190 1940 Deutsche Telekom AG
786 185 1890 The JANET IP Service
8708 164 17 Romania Data Systems S.A.
15870 141 10 Global Center Frankfurt
5400 140 66 Concert European Core Network
719 133 289 LANLINK autonomous system
3303 130 560 Swisscom Ltd
2856 129 776 BTnet UK Regional network
1270 128 732 UUNET Germany
5549 128 82 Nextra Deutschland GmbH + Co.
1103 120 3974 SURFnet BV
15878 117 9 Global Center Paris
517 112 251 KPNQwest Germany GmbH
12302 109 7 MobiFon S.A.
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2282 9115 UUNET Technologies, Inc.
3908 1178 1723 Supernet, Inc.
7018 1076 7341 AT&T
1 856 8555 BBN Planet
7046 813 1021 UUNET Technologies, Inc.
1239 728 3258 Sprint
209 583 2238 Qwest
3967 555 464 Exodus Communication
690 520 78 Merit Network
2914 473 2265 Verio, Inc.
4293 449 112 Cable & Wireless USA
2149 431 330 Performance Systems, Inc.
3561 417 2348 Cable & Wireless USA
3549 385 843 Global Crossing
721 373 4389 DLA Systems Automation Center
705 364 63 UUNET Technologies, Inc.
5106 352 242 Ameritech Advanced Data Servi
577 350 636 Bell Advanced Communications
4323 349 358 Time Warner Communications, I
4151 347 1235 USDA
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2282 9115 UUNET Technologies, Inc.
1221 1563 1290 Telstra Pty Ltd
3908 1178 1723 Supernet, Inc.
7018 1076 7341 AT&T
702 918 1932 UUNET Technologies, Inc.
1 856 8555 BBN Planet
7046 813 1021 UUNET Technologies, Inc.
1239 728 3258 Sprint
209 583 2238 Qwest
3967 555 464 Exodus Communication
690 520 78 Merit Network
2914 473 2265 Verio, Inc.
4293 449 112 Cable & Wireless USA
3301 435 950 TeliaNet Sweden
2149 431 330 Performance Systems, Inc.
3561 417 2348 Cable & Wireless USA
2764 411 359 connect.com.au pty ltd
3549 385 843 Global Crossing
703 374 351 UUNET Technologies, Inc.
721 373 4389 DLA Systems Automation Center
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
6971 UNALLOCATED 64.42.0.0/18 2516 Kokusai Denshin Denw
6971 UNALLOCATED 64.42.0.0/17 2516 Kokusai Denshin Denw
6971 UNALLOCATED 64.42.16.0/20 2914 Verio, Inc.
6971 UNALLOCATED 64.42.32.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.40.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.48.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.56.0/22 2914 Verio, Inc.
6971 UNALLOCATED 64.42.60.0/22 2914 Verio, Inc.
6971 UNALLOCATED 64.42.64.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.72.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.80.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.104.0/22 2914 Verio, Inc.
6971 UNALLOCATED 64.42.108.0/22 2914 Verio, Inc.
6971 UNALLOCATED 64.42.112.0/20 2914 Verio, Inc.
6971 UNALLOCATED 64.87.64.0/19 2516 Kokusai Denshin Denw
22571 UNALLOCATED 64.214.53.0/24 3549 Global Crossing
2027 UNALLOCATED 150.185.128.0/18 8143 Publicom Corp.
22528 UNALLOCATED 192.25.225.0/24 701 UUNET Technologies,
6971 UNALLOCATED 192.103.229.0/24 2516 Kokusai Denshin Denw
6971 UNALLOCATED 192.103.230.0/23 2516 Kokusai Denshin Denw
6971 UNALLOCATED 192.103.232.0/22 2516 Kokusai Denshin Denw
6971 UNALLOCATED 192.103.236.0/23 2516 Kokusai Denshin Denw
6971 UNALLOCATED 192.103.237.0/24 2516 Kokusai Denshin Denw
5555 UNALLOCATED 192.156.8.0/24 721 DLA Systems Automati
5555 UNALLOCATED 192.156.41.0/24 721 DLA Systems Automati
22530 UNALLOCATED 198.168.180.0/24 701 UUNET Technologies,
5555 UNALLOCATED 199.10.190.0/24 721 DLA Systems Automati
6971 UNALLOCATED 199.249.223.0/24 2516 Kokusai Denshin Denw
22501 UNALLOCATED 200.16.194.0/24 4926 Telintar S.A.
22501 UNALLOCATED 200.16.249.0/24 4926 Telintar S.A.
22501 UNALLOCATED 200.41.203.0/24 4926 Telintar S.A.
22501 UNALLOCATED 200.41.248.0/24 4926 Telintar S.A.
22501 UNALLOCATED 200.63.186.0/24 4926 Telintar S.A.
22501 UNALLOCATED 200.69.134.0/24 14535 Techtel S.A.
6971 UNALLOCATED 206.58.248.0/22 2516 Kokusai Denshin Denw
6971 UNALLOCATED 206.58.248.0/21 2516 Kokusai Denshin Denw
6971 UNALLOCATED 206.58.252.0/23 2914 Verio, Inc.
6971 UNALLOCATED 206.58.254.0/23 2914 Verio, Inc.
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
22528 UNALLOCATED 208.251.6.0/24 701 UUNET Technologies,
6971 UNALLOCATED 216.105.192.0/20 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.121.224.0/19 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.174.192.0/21 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.174.192.0/18 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.174.200.0/23 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.174.200.0/21 2914 Verio, Inc.
6971 UNALLOCATED 216.174.208.0/20 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.174.232.0/21 2914 Verio, Inc.
6971 UNALLOCATED 216.210.128.0/18 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.210.128.0/17 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.210.140.0/22 2914 Verio, Inc.
6971 UNALLOCATED 216.210.160.0/21 2914 Verio, Inc.
6971 UNALLOCATED 216.210.176.0/21 2914 Verio, Inc.
6971 UNALLOCATED 216.210.184.0/22 2914 Verio, Inc.
6971 UNALLOCATED 216.210.200.0/22 2914 Verio, Inc.
6971 UNALLOCATED 216.210.216.0/22 2914 Verio, Inc.
6971 UNALLOCATED 216.210.220.0/22 2914 Verio, Inc.
6971 UNALLOCATED 216.210.224.0/21 2914 Verio, Inc.
6971 UNALLOCATED 216.210.232.0/22 2914 Verio, Inc.
6971 UNALLOCATED 216.210.236.0/22 2914 Verio, Inc.
6971 UNALLOCATED 216.210.240.0/20 2914 Verio, Inc.
6971 UNALLOCATED 216.229.96.0/20 2516 Kokusai Denshin Denw
Advertised Unregistered Addresses
---------------------------------
Network Origin AS Description
39.0.0.0/8 4554 Exchange Point Blocks
128.65.0.0/16 3463 ACES Research Inc
132.0.0.0/10 568 DISO-UNRRA
134.137.0.0/16 400 Headquarters Standard Systems
135.0.0.0/13 10455 Lucent Technologies
137.0.0.0/13 568 DISO-UNRRA
138.94.0.0/16 1 BBN Planet
144.7.0.0/16 701 UUNET Technologies, Inc.
153.34.0.0/15 701 UUNET Technologies, Inc.
153.36.0.0/14 701 UUNET Technologies, Inc.
154.150.0.0/16 6494 IDCI
158.0.0.0/13 568 DISO-UNRRA
164.233.0.0/16 6020 DISA NETWORK SERVICES
164.235.0.0/16 6025 US DOD NIC Unregistered
201.115.100.0/24 7018 AT&T
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:18 /9:5 /10:8 /11:12 /12:34
/13:89 /14:227 /15:392 /16:7131 /17:1314 /18:2412
/19:7045 /20:5985 /21:4827 /22:7192 /23:9196 /24:62877
/25:358 /26:351 /27:280 /28:275 /29:160 /30:184
/31:1 /32:74
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 1458 2282 UUNET Technologies, Inc.
1221 1419 1563 Telstra Pty Ltd
3908 895 1178 Supernet, Inc.
7046 637 813 UUNET Technologies, Inc.
702 628 918 UUNET Technologies, Inc.
7018 565 1076 AT&T
690 517 520 Merit Network
4293 434 449 Cable & Wireless USA
209 417 583 Qwest
1 412 856 BBN Planet
1239 403 728 Sprint
3967 380 555 Exodus Communication
2764 366 411 connect.com.au pty ltd
5106 332 352 Ameritech Advanced Data Servi
705 312 364 UUNET Technologies, Inc.
11686 310 343 Education Networks of America
703 309 374 UUNET Technologies, Inc.
2149 307 431 Performance Systems, Inc.
4151 305 347 USDA
11371 298 309 Rhythms NetConnections
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:6 9:1 12:424 13:10 15:1 17:5
20:4 24:807 25:1 26:1 32:74 38:14
43:3 44:2 52:1 53:2 57:15 61:105
62:170 63:1954 64:1275 65:839 66:505 67:2
80:78 128:52 129:101 130:23 131:45 132:40
133:2 134:129 135:13 136:102 137:93 138:195
139:52 140:185 141:58 142:49 143:39 144:147
145:12 146:229 147:130 148:188 149:91 150:42
151:203 152:400 153:51 154:19 155:84 156:94
157:111 158:75 159:70 160:46 161:61 162:70
163:158 164:119 165:101 166:207 167:157 168:122
169:40 170:290 171:2 172:1 192:5628 193:1998
194:2101 195:833 196:456 198:4197 199:3967 200:2434
201:1 202:2946 203:4561 204:3383 205:2219 206:2900
207:2633 208:3156 209:3100 210:598 211:135 212:876
213:521 214:9 215:16 216:3013 217:398 218:2
End of report
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