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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 03 Oct, 2001
Analysis Summary
----------------
BGP routing table entries examined: 109145
Origin ASes present in the Internet Routing Table: 11790
Origin ASes announcing only one prefix: 4325
Transit ASes present in the Internet Routing Table: 1513
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: 61
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: 1255610256
Equivalent to 74 /8s, 215 /16s and 23 /24s
Percentage of available address space announced: 33.9
Percentage of allocated address space announced: 65.2
Percentage of available address space allocated: 51.9
Total number of prefixes smaller than registry allocations: 74069
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16356
Prefixes being announced from the APNIC address blocks: 14775
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: 233
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 80667564
Equivalent to 4 /8s, 206 /16s and 227 /24s
Percentage of available APNIC address space announced: 79.3
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: 75421
Prefixes being announced from the ARIN address blocks: 53756
ARIN Region origin ASes present in the Internet Routing Table: 7101
ARIN Region origin ASes announcing only one prefix: 2113
ARIN Region transit ASes present in the Internet Routing Table: 706
Average ARIN Region AS path length visible: 5.3
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 231433280
Equivalent to 13 /8s, 203 /16s and 100 /24s
Percentage of available ARIN address space announced: 86.2
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: 17362
Prefixes being announced from the RIPE address blocks: 13757
RIPE Region origin ASes present in the Internet Routing Table: 3315
RIPE Region origin ASes announcing only one prefix: 1750
RIPE Region transit ASes present in the Internet Routing Table: 575
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 107793503
Equivalent to 6 /8s, 108 /16s and 204 /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 1608 1313 Telstra Pty Ltd
2764 417 374 connect.com.au pty ltd
703 401 372 UUNET Technologies, Inc.
2907 369 1847 SINET Japan
4755 295 161 Videsh Sanchar Nigam Ltd. Aut
7474 243 274 Optus Communications Pty Ltd
4134 235 1805 Data Communications Bureau
7539 199 190 TANet2, sponsored by NSC, TAI
4740 187 23 OzEmail ISP
4766 181 1338 Korea Internet Exchange for "
9443 158 51 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 121 69 Telstra New Zealand
4713 117 885 NTT Communications Corporatio
17561 116 167 Internet service provision to
9583 115 60 Satyam Infoway Ltd.,
7586 112 17 Paradox Digital Pty Ltd
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 903 1966 UUNET Technologies, Inc.
3301 441 937 TeliaNet Sweden
1257 273 512 SWIPnet Swedish IP Network
680 242 2340 DFN-IP service G-WiN
3215 229 515 France Telecom / &Equant
5515 194 688 Sonera Finland Autonomous Sys
3320 189 1942 Deutsche Telekom AG
786 185 1890 The JANET IP Service
15870 149 11 Global Center Frankfurt
5400 141 65 Concert European Core Network
1270 137 717 UUNET Germany
719 136 288 LANLINK autonomous system
3303 130 560 Swisscom Ltd
2856 126 774 BTnet UK Regional network
5549 126 67 Nextra Deutschland GmbH + Co.
15878 125 9 Global Center Paris
517 113 253 KPNQwest Germany GmbH
1267 103 1988 Infostrada S.p.A.
12302 102 6 MobiFon S.A.
3269 100 761 TELECOM ITALIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2259 9127 UUNET Technologies, Inc.
3908 1150 1557 Supernet, Inc.
7018 1064 7201 AT&T
1 884 8623 BBN Planet
7046 795 1006 UUNET Technologies, Inc.
1239 745 3371 Sprint
3967 616 470 Exodus Communication
209 553 2219 Qwest
690 513 80 Merit Network
2914 500 2303 Verio, Inc.
4293 456 112 Cable & Wireless USA
3561 409 2341 Cable & Wireless USA
2548 388 1006 Business Internet, Inc.
721 387 4422 DLA Systems Automation Center
4323 373 363 Time Warner Communications, I
3549 370 835 Global Crossing
705 360 72 UUNET Technologies, Inc.
2149 360 263 Performance Systems, Inc.
577 352 636 Bell Advanced Communications
3741 347 773 The Internet Solution
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2259 9127 UUNET Technologies, Inc.
1221 1608 1313 Telstra Pty Ltd
3908 1150 1557 Supernet, Inc.
7018 1064 7201 AT&T
702 903 1966 UUNET Technologies, Inc.
1 884 8623 BBN Planet
7046 795 1006 UUNET Technologies, Inc.
1239 745 3371 Sprint
3967 616 470 Exodus Communication
209 553 2219 Qwest
690 513 80 Merit Network
2914 500 2303 Verio, Inc.
4293 456 112 Cable & Wireless USA
3301 441 937 TeliaNet Sweden
2764 417 374 connect.com.au pty ltd
3561 409 2341 Cable & Wireless USA
703 401 372 UUNET Technologies, Inc.
2548 388 1006 Business Internet, Inc.
721 387 4422 DLA Systems Automation Center
4323 373 363 Time Warner Communications, I
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 64.42.112.0/20 2914 Verio, Inc.
6971 UNALLOCATED 64.87.64.0/19 2516 Kokusai Denshin Denw
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.
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
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 209.39.134.0/24 209 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 216.174.200.0/21 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 216.210.144.0/20 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 /8:18 /9:5 /10:8 /11:12 /12:33
/13:86 /14:226 /15:385 /16:7091 /17:1257 /18:2362
/19:6964 /20:5882 /21:4828 /22:7091 /23:9048 /24:62330
/25:306 /26:327 /27:251 /28:252 /29:150 /30:178
/31:1 /32:54
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
1221 1461 1608 Telstra Pty Ltd
701 1433 2259 UUNET Technologies, Inc.
3908 874 1150 Supernet, Inc.
7046 618 795 UUNET Technologies, Inc.
702 617 903 UUNET Technologies, Inc.
7018 561 1064 AT&T
690 510 513 Merit Network
4293 442 456 Cable & Wireless USA
3967 436 616 Exodus Communication
1 428 884 BBN Planet
1239 415 745 Sprint
209 391 553 Qwest
2764 371 417 connect.com.au pty ltd
703 330 401 UUNET Technologies, Inc.
5106 325 344 Ameritech Advanced Data Servi
705 315 360 UUNET Technologies, Inc.
4323 315 373 Time Warner Communications, I
6995 307 320 Bell Atlantic Internet Soluti
11371 299 310 Rhythms NetConnections
4151 297 339 USDA
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:6 9:1 12:422 13:10 15:1 17:5
20:1 24:807 25:1 26:1 32:73 38:14
43:3 44:2 53:2 55:1 57:15 61:100
62:144 63:1933 64:1315 65:791 66:467 67:2
80:54 128:51 129:107 130:19 131:43 132:32
133:2 134:143 135:10 136:93 137:93 138:232
139:45 140:187 141:198 142:57 143:39 144:152
145:30 146:146 147:129 148:83 149:89 150:37
151:323 152:395 153:48 154:18 155:80 156:96
157:111 158:74 159:68 160:48 161:61 162:71
163:141 164:102 165:98 166:193 167:149 168:127
169:40 170:278 171:2 192:5615 193:1887 194:1987
195:834 196:459 198:4070 199:3880 200:2539 201:1
202:2813 203:4563 204:3372 205:2220 206:2918 207:2635
208:3168 209:3148 210:554 211:137 212:844 213:517
214:8 215:14 216:3071 217:363 218:2
End of report
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