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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 10 Oct, 2001
Analysis Summary
----------------
BGP routing table entries examined: 109548
Origin ASes present in the Internet Routing Table: 11857
Origin ASes announcing only one prefix: 4365
Transit ASes present in the Internet Routing Table: 1536
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: 72
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 16
Number of addresses announced to Internet: 1260159135
Equivalent to 75 /8s, 28 /16s and 128 /24s
Percentage of available address space announced: 34.0
Percentage of allocated address space announced: 65.5
Percentage of available address space allocated: 51.9
Total number of prefixes smaller than registry allocations: 74288
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16570
Prefixes being announced from the APNIC address blocks: 15008
APNIC Region origin ASes present in the Internet Routing Table: 1381
APNIC Region origin ASes announcing only one prefix: 462
APNIC Region transit ASes present in the Internet Routing Table: 236
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 81340753
Equivalent to 4 /8s, 217 /16s and 41 /24s
Percentage of available APNIC address space announced: 80.0
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: 75285
Prefixes being announced from the ARIN address blocks: 53617
ARIN Region origin ASes present in the Internet Routing Table: 7131
ARIN Region origin ASes announcing only one prefix: 2126
ARIN Region transit ASes present in the Internet Routing Table: 713
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 217411400
Equivalent to 12 /8s, 245 /16s and 111 /24s
Percentage of available ARIN address space announced: 81.0
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: 17690
Prefixes being announced from the RIPE address blocks: 14093
RIPE Region origin ASes present in the Internet Routing Table: 3353
RIPE Region origin ASes announcing only one prefix: 1777
RIPE Region transit ASes present in the Internet Routing Table: 588
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 108428696
Equivalent to 6 /8s, 118 /16s and 125 /24s
Percentage of available RIPE address space announced: 71.8
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
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 1600 1312 Telstra Pty Ltd
2764 414 358 connect.com.au pty ltd
703 401 372 UUNET Technologies, Inc.
2907 370 1847 SINET Japan
4755 293 164 Videsh Sanchar Nigam Ltd. Aut
7474 243 274 Optus Communications Pty Ltd
4134 236 1806 Data Communications Bureau
4766 186 1466 Korea Internet Exchange for "
4740 185 23 OzEmail ISP
7539 176 189 TANet2, sponsored by NSC, TAI
9443 158 53 Primus Telecommunications
2521 131 171 PSINet Japan
4618 128 105 Internet Thailand Company Lim
17557 128 8 Pakistan Telecom
4786 123 14 NetConnect Communications Pty
4763 122 69 Telstra New Zealand
7545 122 23 TPG Internet Pty Ltd
9583 121 60 Satyam Infoway Ltd.,
9768 121 362 Korea Telecom
4713 117 885 NTT Communications Corporatio
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 902 1949 UUNET Technologies, Inc.
3301 439 937 TeliaNet Sweden
1257 273 512 SWIPnet Swedish IP Network
680 243 2340 DFN-IP service G-WiN
3215 236 515 France Telecom / &Equant
5515 194 688 Sonera Finland Autonomous Sys
3320 189 1940 Deutsche Telekom AG
786 186 1890 The JANET IP Service
8708 162 17 Romania Data Systems S.A.
15870 141 10 Global Center Frankfurt
719 137 288 LANLINK autonomous system
5400 136 64 Concert European Core Network
1103 133 4088 SURFnet BV
1270 133 732 UUNET Germany
3303 129 560 Swisscom Ltd
5549 128 67 Nextra Deutschland GmbH + Co.
2856 126 776 BTnet UK Regional network
15878 122 9 Global Center Paris
517 112 252 KPNQwest Germany GmbH
3269 106 807 TELECOM ITALIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2315 9182 UUNET Technologies, Inc.
3908 1148 1561 Supernet, Inc.
7018 1059 7263 AT&T
1 874 8587 BBN Planet
7046 811 1021 UUNET Technologies, Inc.
1239 738 3387 Sprint
3967 618 471 Exodus Communication
209 568 2253 Qwest
690 502 79 Merit Network
2914 487 2254 Verio, Inc.
4293 456 112 Cable & Wireless USA
705 415 83 UUNET Technologies, Inc.
3561 403 2355 Cable & Wireless USA
721 389 4390 DLA Systems Automation Center
2149 386 328 Performance Systems, Inc.
3549 380 842 Global Crossing
2548 356 999 Business Internet, Inc.
4323 355 361 Time Warner Communications, I
577 351 636 Bell Advanced Communications
5106 346 180 Ameritech Advanced Data Servi
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2315 9182 UUNET Technologies, Inc.
1221 1600 1312 Telstra Pty Ltd
3908 1148 1561 Supernet, Inc.
7018 1059 7263 AT&T
702 902 1949 UUNET Technologies, Inc.
1 874 8587 BBN Planet
7046 811 1021 UUNET Technologies, Inc.
1239 738 3387 Sprint
3967 618 471 Exodus Communication
209 568 2253 Qwest
690 502 79 Merit Network
2914 487 2254 Verio, Inc.
4293 456 112 Cable & Wireless USA
3301 439 937 TeliaNet Sweden
705 415 83 UUNET Technologies, Inc.
2764 414 358 connect.com.au pty ltd
3561 403 2355 Cable & Wireless USA
703 401 372 UUNET Technologies, Inc.
721 389 4390 DLA Systems Automation Center
2149 386 328 Performance Systems, Inc.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
22153 UNALLOCATED 63.167.108.0/24 1239 Sprint
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
22153 UNALLOCATED 65.161.192.0/24 1239 Sprint
22153 UNALLOCATED 65.165.127.0/24 1239 Sprint
65000 PRIVATE 138.163.4.0/24 665 Department of Navy
2027 UNALLOCATED 150.185.128.0/18 8143 Publicom Corp.
64512 PRIVATE 161.132.234.0/24 8143 Publicom Corp.
22153 UNALLOCATED 168.215.234.0/23 1239 Sprint
22153 UNALLOCATED 168.215.235.0/24 1239 Sprint
22153 UNALLOCATED 168.215.236.0/23 1239 Sprint
22153 UNALLOCATED 168.215.237.0/24 1239 Sprint
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
22290 UNALLOCATED 198.140.161.0/24 2914 Verio, Inc.
5555 UNALLOCATED 199.10.190.0/24 721 DLA Systems Automati
22290 UNALLOCATED 199.217.152.0/24 2914 Verio, Inc.
22290 UNALLOCATED 199.217.187.0/24 2914 Verio, Inc.
6971 UNALLOCATED 199.249.223.0/24 2516 Kokusai Denshin Denw
22290 UNALLOCATED 205.159.194.0/24 2914 Verio, Inc.
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,
22290 UNALLOCATED 207.150.139.0/24 2914 Verio, Inc.
22075 UNALLOCATED 209.39.134.0/24 2914 Verio, Inc.
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
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 216.174.202.0/24 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 216.174.240.0/21 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 216.210.144.0/20 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
109.106.64.0/21 4265 California Education and Rese
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 /12:33
/13:86 /14:227 /15:389 /16:7109 /17:1303 /18:2392
/19:7013 /20:5912 /21:4805 /22:7118 /23:9117 /24:62497
/25:315 /26:324 /27:255 /28:254 /29:150 /30:160
/31:1 /32:45
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 1483 2315 UUNET Technologies, Inc.
1221 1454 1600 Telstra Pty Ltd
3908 872 1148 Supernet, Inc.
7046 633 811 UUNET Technologies, Inc.
702 617 902 UUNET Technologies, Inc.
7018 556 1059 AT&T
690 499 502 Merit Network
4293 442 456 Cable & Wireless USA
3967 438 618 Exodus Communication
1 424 874 BBN Planet
209 404 568 Qwest
1239 402 738 Sprint
2764 369 414 connect.com.au pty ltd
705 364 415 UUNET Technologies, Inc.
703 329 401 UUNET Technologies, Inc.
5106 326 346 Ameritech Advanced Data Servi
4151 299 341 USDA
11371 299 310 Rhythms NetConnections
4323 296 355 Time Warner Communications, I
2149 270 386 Performance Systems, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:6 9:1 12:420 13:10 15:1 17:5
20:1 24:783 25:1 26:1 32:74 38:13
43:2 44:2 53:2 57:15 61:106 62:159
63:1933 64:1292 65:826 66:480 67:32 80:67
128:52 129:113 130:20 131:43 132:40 133:2
134:124 135:13 136:92 137:91 138:152 139:49
140:176 141:194 142:56 143:39 144:146 145:38
146:223 147:129 148:189 149:88 150:38 151:178
152:389 153:48 154:19 155:83 156:95 157:91
158:73 159:69 160:47 161:61 162:70 163:146
164:122 165:99 166:200 167:156 168:130 169:39
170:282 171:2 192:5623 193:1981 194:2073 195:836
196:441 198:4103 199:3902 200:2400 201:1 202:2846
203:4656 204:3372 205:2189 206:2884 207:2616 208:3144
209:3135 210:580 211:138 212:866 213:533 214:9
215:13 216:3023 217:393 218:2
End of report
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