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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 09 Oct, 2001
Analysis Summary
----------------
BGP routing table entries examined: 109313
Origin ASes present in the Internet Routing Table: 11835
Origin ASes announcing only one prefix: 4340
Transit ASes present in the Internet Routing Table: 1530
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: 14
Number of addresses announced to Internet: 1243630087
Equivalent to 74 /8s, 32 /16s and 74 /24s
Percentage of available address space announced: 33.6
Percentage of allocated address space announced: 64.6
Percentage of available address space allocated: 51.9
Total number of prefixes smaller than registry allocations: 74057
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16548
Prefixes being announced from the APNIC address blocks: 14982
APNIC Region origin ASes present in the Internet Routing Table: 1379
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: 5.1
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 81360160
Equivalent to 4 /8s, 217 /16s and 117 /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: 75096
Prefixes being announced from the ARIN address blocks: 53444
ARIN Region origin ASes present in the Internet Routing Table: 7116
ARIN Region origin ASes announcing only one prefix: 2113
ARIN Region transit ASes present in the Internet Routing Table: 712
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 217259760
Equivalent to 12 /8s, 243 /16s and 30 /24s
Percentage of available ARIN address space announced: 80.9
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: 17666
Prefixes being announced from the RIPE address blocks: 14067
RIPE Region origin ASes present in the Internet Routing Table: 3348
RIPE Region origin ASes announcing only one prefix: 1769
RIPE Region transit ASes present in the Internet Routing Table: 584
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 108431256
Equivalent to 6 /8s, 118 /16s and 135 /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 1602 1312 Telstra Pty Ltd
2764 413 374 connect.com.au pty ltd
703 402 372 UUNET Technologies, Inc.
2907 368 1847 SINET Japan
4755 293 164 Videsh Sanchar Nigam Ltd. Aut
7474 243 274 Optus Communications Pty Ltd
4134 235 1805 Data Communications Bureau
4766 186 1466 Korea Internet Exchange for "
4740 184 23 OzEmail ISP
7539 175 189 TANet2, sponsored by NSC, TAI
9443 158 53 Primus Telecommunications
4618 128 105 Internet Thailand Company Lim
17557 126 8 Pakistan Telecom
4786 123 14 NetConnect Communications Pty
7545 123 23 TPG Internet Pty Ltd
2521 122 170 PSINet Japan
4763 122 69 Telstra New Zealand
9768 121 362 Korea Telecom
9583 119 60 Satyam Infoway Ltd.,
4713 117 885 NTT Communications Corporatio
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 893 1996 UUNET Technologies, Inc.
3301 439 937 TeliaNet Sweden
1257 273 512 SWIPnet Swedish IP Network
680 243 2340 DFN-IP service G-WiN
3215 233 515 France Telecom / &Equant
5515 193 687 Sonera Finland Autonomous Sys
3320 189 1940 Deutsche Telekom AG
786 186 1890 The JANET IP Service
8708 161 17 Romania Data Systems S.A.
15870 144 10 Global Center Frankfurt
719 137 288 LANLINK autonomous system
1270 137 717 UUNET Germany
5400 136 64 Concert European Core Network
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
1103 116 4055 SURFnet BV
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 2299 9179 UUNET Technologies, Inc.
3908 1141 1545 Supernet, Inc.
7018 1064 7264 AT&T
1 880 8623 BBN Planet
7046 811 1005 UUNET Technologies, Inc.
1239 740 3389 Sprint
3967 618 471 Exodus Communication
209 568 2251 Qwest
690 498 79 Merit Network
2914 490 2255 Verio, Inc.
4293 456 112 Cable & Wireless USA
3561 407 2355 Cable & Wireless USA
705 394 81 UUNET Technologies, Inc.
721 388 4406 DLA Systems Automation Center
2149 385 360 Performance Systems, Inc.
3549 379 842 Global Crossing
2548 357 999 Business Internet, Inc.
4323 355 361 Time Warner Communications, I
577 351 636 Bell Advanced Communications
3741 345 765 The Internet Solution
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2299 9179 UUNET Technologies, Inc.
1221 1602 1312 Telstra Pty Ltd
3908 1141 1545 Supernet, Inc.
7018 1064 7264 AT&T
702 893 1996 UUNET Technologies, Inc.
1 880 8623 BBN Planet
7046 811 1005 UUNET Technologies, Inc.
1239 740 3389 Sprint
3967 618 471 Exodus Communication
209 568 2251 Qwest
690 498 79 Merit Network
2914 490 2255 Verio, Inc.
4293 456 112 Cable & Wireless USA
3301 439 937 TeliaNet Sweden
2764 413 374 connect.com.au pty ltd
3561 407 2355 Cable & Wireless USA
703 402 372 UUNET Technologies, Inc.
705 394 81 UUNET Technologies, Inc.
721 388 4406 DLA Systems Automation Center
2149 385 360 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
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 /16:7116 /17:1302 /18:2394
/19:7005 /20:5902 /21:4798 /22:7085 /23:9080 /24:62354
/25:312 /26:324 /27:255 /28:252 /29:151 /30:160
/31:1 /32:45
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 1467 2299 UUNET Technologies, Inc.
1221 1456 1602 Telstra Pty Ltd
3908 866 1141 Supernet, Inc.
7046 634 811 UUNET Technologies, Inc.
702 605 893 UUNET Technologies, Inc.
7018 560 1064 AT&T
690 495 498 Merit Network
4293 442 456 Cable & Wireless USA
3967 438 618 Exodus Communication
1 426 880 BBN Planet
209 405 568 Qwest
1239 403 740 Sprint
2764 367 413 connect.com.au pty ltd
705 344 394 UUNET Technologies, Inc.
703 330 402 UUNET Technologies, Inc.
5106 322 342 Ameritech Advanced Data Servi
11371 299 310 Rhythms NetConnections
4151 298 340 USDA
4323 296 355 Time Warner Communications, I
2149 268 385 Performance Systems, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:6 9:1 12:419 13:10 15:1 17:5
20:1 24:808 25:1 26:1 32:73 38:14
43:2 44:2 53:2 57:15 61:103 62:146
63:1929 64:1303 65:818 66:471 67:32 80:65
128:52 129:110 130:19 131:44 132:37 133:2
134:124 135:13 136:92 137:89 138:153 139:49
140:176 141:194 142:56 143:39 144:146 145:38
146:223 147:123 148:190 149:86 150:38 151:178
152:386 153:48 154:18 155:83 156:95 157:112
158:74 159:69 160:47 161:61 162:70 163:146
164:122 165:99 166:199 167:154 168:130 169:39
170:282 171:2 192:5609 193:1974 194:2075 195:847
196:448 198:4107 199:3814 200:2395 201:1 202:2839
203:4652 204:3335 205:2217 206:2859 207:2634 208:3132
209:3138 210:578 211:138 212:852 213:531 214:9
215:14 216:3027 217:392 218:2
End of report
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