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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 07 Oct, 2001
Analysis Summary
----------------
BGP routing table entries examined: 109324
Origin ASes present in the Internet Routing Table: 11835
Origin ASes announcing only one prefix: 4342
Transit ASes present in the Internet Routing Table: 1527
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: 69
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: 1243033991
Equivalent to 74 /8s, 23 /16s and 49 /24s
Percentage of available address space announced: 33.5
Percentage of allocated address space announced: 64.6
Percentage of available address space allocated: 51.9
Total number of prefixes smaller than registry allocations: 74129
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16394
Prefixes being announced from the APNIC address blocks: 14843
APNIC Region origin ASes present in the Internet Routing Table: 1376
APNIC Region origin ASes announcing only one prefix: 458
APNIC Region transit ASes present in the Internet Routing Table: 235
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 81207840
Equivalent to 4 /8s, 215 /16s and 34 /24s
Percentage of available APNIC address space announced: 79.8
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: 75322
Prefixes being announced from the ARIN address blocks: 53678
ARIN Region origin ASes present in the Internet Routing Table: 7118
ARIN Region origin ASes announcing only one prefix: 2112
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: 17
Number of ARIN addresses announced to Internet: 217374320
Equivalent to 12 /8s, 244 /16s and 222 /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: 17603
Prefixes being announced from the RIPE address blocks: 14023
RIPE Region origin ASes present in the Internet Routing Table: 3349
RIPE Region origin ASes announcing only one prefix: 1772
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: 108148632
Equivalent to 6 /8s, 114 /16s and 55 /24s
Percentage of available RIPE address space announced: 71.6
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 1611 1313 Telstra Pty Ltd
2764 415 374 connect.com.au pty ltd
703 402 372 UUNET Technologies, Inc.
2907 369 1847 SINET Japan
4755 293 163 Videsh Sanchar Nigam Ltd. Aut
7474 244 274 Optus Communications Pty Ltd
4134 235 1805 Data Communications Bureau
4766 186 1466 Korea Internet Exchange for "
4740 184 23 OzEmail ISP
7539 180 186 TANet2, sponsored by NSC, TAI
9443 158 53 Primus Telecommunications
7545 125 23 TPG Internet Pty Ltd
2521 124 170 PSINet Japan
4786 124 16 NetConnect Communications Pty
4763 122 69 Telstra New Zealand
9768 121 362 Korea Telecom
4713 117 885 NTT Communications Corporatio
9583 117 60 Satyam Infoway Ltd.,
17561 116 167 Internet service provision to
17557 111 7 Pakistan Telecom
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 891 1994 UUNET Technologies, Inc.
3301 438 937 TeliaNet Sweden
1257 273 512 SWIPnet Swedish IP Network
680 242 2340 DFN-IP service G-WiN
3215 232 515 France Telecom / &Equant
5515 193 687 Sonera Finland Autonomous Sys
3320 187 1940 Deutsche Telekom AG
786 185 1890 The JANET IP Service
8708 156 16 Romania Data Systems S.A.
15870 144 10 Global Center Frankfurt
5400 140 64 Concert European Core Network
719 137 288 LANLINK autonomous system
1270 137 717 UUNET Germany
3303 129 560 Swisscom Ltd
2856 127 776 BTnet UK Regional network
5549 127 67 Nextra Deutschland GmbH + Co.
15878 122 9 Global Center Paris
517 113 253 KPNQwest Germany GmbH
1267 103 1988 Infostrada S.p.A.
12302 102 6 MobiFon S.A.
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2258 9146 UUNET Technologies, Inc.
3908 1140 1545 Supernet, Inc.
7018 1062 7232 AT&T
1 881 8623 BBN Planet
7046 810 1005 UUNET Technologies, Inc.
1239 739 3389 Sprint
3967 618 471 Exodus Communication
209 569 2251 Qwest
690 516 81 Merit Network
2914 493 2271 Verio, Inc.
4293 456 112 Cable & Wireless USA
3561 408 2355 Cable & Wireless USA
705 394 81 UUNET Technologies, Inc.
721 393 4407 DLA Systems Automation Center
2548 382 1006 Business Internet, Inc.
3549 379 842 Global Crossing
2149 358 262 Performance Systems, Inc.
4323 353 341 Time Warner Communications, I
577 350 636 Bell Advanced Communications
3741 346 773 The Internet Solution
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2258 9146 UUNET Technologies, Inc.
1221 1611 1313 Telstra Pty Ltd
3908 1140 1545 Supernet, Inc.
7018 1062 7232 AT&T
702 891 1994 UUNET Technologies, Inc.
1 881 8623 BBN Planet
7046 810 1005 UUNET Technologies, Inc.
1239 739 3389 Sprint
3967 618 471 Exodus Communication
209 569 2251 Qwest
690 516 81 Merit Network
2914 493 2271 Verio, Inc.
4293 456 112 Cable & Wireless USA
3301 438 937 TeliaNet Sweden
2764 415 374 connect.com.au pty ltd
3561 408 2355 Cable & Wireless USA
703 402 372 UUNET Technologies, Inc.
705 394 81 UUNET Technologies, Inc.
721 393 4407 DLA Systems Automation Center
2548 382 1006 Business Internet, 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 22026 Time Warner Telecom
22153 UNALLOCATED 168.215.236.0/23 22026 Time Warner Telecom
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.
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 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
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 216.174.200.0/21 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 216.210.216.0/21 2914 Verio, Inc.
6971 UNALLOCATED 216.210.224.0/20 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 /8:17 /9:5 /10:8 /11:12 /12:33
/13:86 /14:227 /15:389 /16:7111 /17:1296 /18:2390
/19:7003 /20:5903 /21:4805 /22:7064 /23:9094 /24:62377
/25:312 /26:325 /27:256 /28:254 /29:151 /30:160
/31:1 /32:45
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
1221 1464 1611 Telstra Pty Ltd
701 1437 2258 UUNET Technologies, Inc.
3908 865 1140 Supernet, Inc.
7046 633 810 UUNET Technologies, Inc.
702 604 891 UUNET Technologies, Inc.
7018 561 1062 AT&T
690 513 516 Merit Network
4293 442 456 Cable & Wireless USA
3967 438 618 Exodus Communication
1 427 881 BBN Planet
209 406 569 Qwest
1239 403 739 Sprint
2764 369 415 connect.com.au pty ltd
705 344 394 UUNET Technologies, Inc.
703 331 402 UUNET Technologies, Inc.
5106 321 341 Ameritech Advanced Data Servi
4151 299 341 USDA
11371 299 310 Rhythms NetConnections
4323 296 353 Time Warner Communications, I
2548 273 382 Business Internet, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:6 9:1 12:418 13:10 15:1 17:5
20:1 24:807 25:1 26:1 32:73 38:14
43:3 44:2 53:2 57:15 61:100 62:146
63:1933 64:1297 65:821 66:470 67:32 80:65
128:52 129:111 130:19 131:44 132:39 133:2
134:124 135:13 136:92 137:92 138:153 139:49
140:177 141:194 142:56 143:39 144:146 145:30
146:222 147:129 148:190 149:86 150:38 151:178
152:396 153:48 154:18 155:83 156:94 157:112
158:74 159:70 160:47 161:61 162:70 163:143
164:101 165:99 166:199 167:154 168:128 169:39
170:284 171:2 192:5589 193:1968 194:2058 195:845
196:436 198:4100 199:3880 200:2395 201:1 202:2806
203:4583 204:3383 205:2223 206:2915 207:2615 208:3124
209:3147 210:575 211:138 212:858 213:529 214:9
215:14 216:3072 217:391 218:2
End of report
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