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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 29 Sep, 2001
Analysis Summary
----------------
BGP routing table entries examined: 108904
Origin ASes present in the Internet Routing Table: 11795
Origin ASes announcing only one prefix: 4342
Transit ASes present in the Internet Routing Table: 1506
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 23
Illegal AS announcements present in the Routing Table: 40
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 14
Number of addresses announced to Internet: 1249651819
Equivalent to 74 /8s, 124 /16s and 44 /24s
Percentage of available address space announced: 33.7
Percentage of allocated address space announced: 64.9
Percentage of available address space allocated: 51.9
Total number of prefixes smaller than registry allocations: 73944
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16353
Prefixes being announced from the APNIC address blocks: 14764
APNIC Region origin ASes present in the Internet Routing Table: 1375
APNIC Region origin ASes announcing only one prefix: 457
APNIC Region transit ASes present in the Internet Routing Table: 232
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 80514011
Equivalent to 4 /8s, 204 /16s and 139 /24s
Percentage of available APNIC address space announced: 79.2
APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239, 17408 - 18431
APNIC Address Blocks 61/8, 202/7, 210/7 and 218/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 75033
Prefixes being announced from the ARIN address blocks: 53508
ARIN Region origin ASes present in the Internet Routing Table: 7101
ARIN Region origin ASes announcing only one prefix: 2123
ARIN Region transit ASes present in the Internet Routing Table: 706
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 225828507
Equivalent to 13 /8s, 117 /16s and 222 /24s
Percentage of available ARIN address space announced: 84.1
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: 17513
Prefixes being announced from the RIPE address blocks: 13936
RIPE Region origin ASes present in the Internet Routing Table: 3327
RIPE Region origin ASes announcing only one prefix: 1762
RIPE Region transit ASes present in the Internet Routing Table: 569
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 107803679
Equivalent to 6 /8s, 108 /16s and 244 /24s
Percentage of available RIPE address space announced: 71.4
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 1622 1315 Telstra Pty Ltd
2764 418 374 connect.com.au pty ltd
703 408 372 UUNET Technologies, Inc.
2907 369 1847 SINET Japan
4755 294 161 Videsh Sanchar Nigam Ltd. Aut
7474 241 274 Optus Communications Pty Ltd
4134 237 1807 Data Communications Bureau
7539 207 190 TANet2, sponsored by NSC, TAI
4740 183 23 OzEmail ISP
4766 181 1338 Korea Internet Exchange for "
9443 154 52 Primus Telecommunications
17557 131 8 Pakistan Telecom
4786 127 17 NetConnect Communications Pty
7545 125 23 TPG Internet Pty Ltd
9768 123 378 Korea Telecom
4763 122 69 Telstra New Zealand
9583 118 60 Satyam Infoway Ltd.,
4713 117 885 NTT Communications Corporatio
17561 116 167 Internet service provision to
4808 105 192 CHINANET core WAN North
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 898 1955 UUNET Technologies, Inc.
3301 440 935 TeliaNet Sweden
1257 271 512 SWIPnet Swedish IP Network
680 242 2340 DFN-IP service G-WiN
3215 227 515 France Telecom / &Equant
5515 193 687 Sonera Finland Autonomous Sys
3320 188 1942 Deutsche Telekom AG
786 185 1890 The JANET IP Service
8708 158 16 Romania Data Systems S.A.
15870 149 11 Global Center Frankfurt
1270 147 733 UUNET Germany
719 137 288 LANLINK autonomous system
5400 137 64 Concert European Core Network
3303 130 560 Swisscom Ltd
2856 126 774 BTnet UK Regional network
5549 126 67 Nextra Deutschland GmbH + Co.
15878 126 9 Global Center Paris
517 114 254 KPNQwest Germany GmbH
1267 103 1988 Infostrada S.p.A.
12302 101 6 MobiFon S.A.
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2258 8108 UUNET Technologies, Inc.
3908 1118 1516 Supernet, Inc.
7018 1050 7151 AT&T
1 874 8638 BBN Planet
7046 795 1006 UUNET Technologies, Inc.
1239 740 3375 Sprint
3967 597 468 Exodus Communication
209 531 2216 Qwest
690 517 97 Merit Network
2914 499 2287 Verio, Inc.
4293 453 111 Cable & Wireless USA
3561 401 2324 Cable & Wireless USA
721 391 4422 DLA Systems Automation Center
2548 375 1005 Business Internet, Inc.
3549 369 819 Global Crossing
2149 365 264 Performance Systems, Inc.
4323 357 340 Time Warner Communications, I
577 355 636 Bell Advanced Communications
3741 353 776 The Internet Solution
705 351 71 UUNET Technologies, Inc.
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2258 8108 UUNET Technologies, Inc.
1221 1622 1315 Telstra Pty Ltd
3908 1118 1516 Supernet, Inc.
7018 1050 7151 AT&T
702 898 1955 UUNET Technologies, Inc.
1 874 8638 BBN Planet
7046 795 1006 UUNET Technologies, Inc.
1239 740 3375 Sprint
3967 597 468 Exodus Communication
209 531 2216 Qwest
690 517 97 Merit Network
2914 499 2287 Verio, Inc.
4293 453 111 Cable & Wireless USA
3301 440 935 TeliaNet Sweden
2764 418 374 connect.com.au pty ltd
703 408 372 UUNET Technologies, Inc.
3561 401 2324 Cable & Wireless USA
721 391 4422 DLA Systems Automation Center
2548 375 1005 Business Internet, Inc.
2907 369 1847 SINET Japan
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 64.42.40.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.112.0/20 2914 Verio, Inc.
6971 UNALLOCATED 64.87.64.0/19 2516 Kokusai Denshin Denw
578 UNALLOCATED 64.230.242.16/28 577 Bell Advanced Commun
65000 PRIVATE 138.163.4.0/24 665 Department of Navy
2027 UNALLOCATED 150.185.128.0/18 8143 Publicom Corp.
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
1877 UNALLOCATED 192.108.201.0/24 1880 Stupi, house man's p
5555 UNALLOCATED 192.156.8.0/24 721 DLA Systems Automati
5555 UNALLOCATED 192.156.41.0/24 721 DLA Systems Automati
65460 PRIVATE 192.231.11.0/24 7018 AT&T
5555 UNALLOCATED 199.10.190.0/24 721 DLA Systems Automati
22290 UNALLOCATED 199.217.152.0/24 1239 Sprint
22290 UNALLOCATED 199.217.187.0/24 1239 Sprint
6971 UNALLOCATED 199.249.223.0/24 2516 Kokusai Denshin Denw
6971 UNALLOCATED 206.58.248.0/22 2516 Kokusai Denshin Denw
6971 UNALLOCATED 206.58.248.0/21 2516 Kokusai Denshin Denw
64803 PRIVATE 206.81.213.0/24 6225 US West Communicatio
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
22290 UNALLOCATED 207.150.139.0/24 1239 Sprint
22075 UNALLOCATED 209.39.134.0/24 209 Qwest
65515 PRIVATE 212.110.142.0/24 5593 CRIS-AS
6971 UNALLOCATED 216.105.192.0/20 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.121.224.0/19 2516 Kokusai Denshin Denw
64803 PRIVATE 216.160.71.0/24 6225 US West Communicatio
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 216.174.208.0/20 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.210.128.0/18 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.210.128.0/17 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.210.160.0/21 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
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 /10:7 /11:12 /12:33
/13:86 /14:226 /15:385 /16:7082 /17:1238 /18:2351
/19:6947 /20:5859 /21:4800 /22:7047 /23:9010 /24:62265
/25:309 /26:327 /27:252 /28:256 /29:148 /30:179
/31:1 /32:61
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
1221 1472 1622 Telstra Pty Ltd
701 1433 2258 UUNET Technologies, Inc.
3908 847 1118 Supernet, Inc.
7046 618 795 UUNET Technologies, Inc.
702 612 898 UUNET Technologies, Inc.
7018 554 1050 AT&T
690 513 517 Merit Network
4293 439 453 Cable & Wireless USA
1 422 874 BBN Planet
3967 419 597 Exodus Communication
1239 412 740 Sprint
2764 372 418 connect.com.au pty ltd
209 370 531 Qwest
703 337 408 UUNET Technologies, Inc.
5106 323 342 Ameritech Advanced Data Servi
6995 307 318 Bell Atlantic Internet Soluti
705 305 351 UUNET Technologies, Inc.
11371 301 312 Rhythms NetConnections
4323 300 357 Time Warner Communications, I
4151 289 330 USDA
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:6 9:1 12:419 13:10 15:1 17:5
20:1 24:816 25:1 26:1 32:69 38:12
43:3 44:2 53:2 55:1 57:15 61:95
62:143 63:1938 64:1325 65:754 66:467 67:2
80:61 128:50 129:108 130:19 131:51 132:39
133:2 134:136 135:10 136:93 137:92 138:223
139:42 140:195 141:198 142:57 143:39 144:152
145:15 146:146 147:129 148:84 149:87 150:37
151:323 152:372 153:45 154:16 155:85 156:96
157:109 158:74 159:68 160:48 161:60 162:71
163:147 164:100 165:98 166:193 167:150 168:119
169:40 170:280 171:2 192:5598 193:1958 194:2031
195:823 196:453 198:4062 199:3839 200:2534 201:1
202:2803 203:4567 204:3373 205:2205 206:2899 207:2616
208:3148 209:3156 210:559 211:136 212:862 213:519
214:8 215:13 216:3047 217:403 218:2
End of report
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