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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 12 Nov, 2001
Analysis Summary
----------------
BGP routing table entries examined: 108431
Total ASes present in the Internet Routing Table: 12027
Origin-only ASes present in the Internet Routing Table: 10441
Origin ASes announcing only one prefix: 4462
Transit ASes present in the Internet Routing Table: 1586
Transit-only ASes present in the Internet Routing Table: 53
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: 58
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 15
Number of addresses announced to Internet: 1257716625
Equivalent to 74 /8s, 247 /16s and 59 /24s
Percentage of available address space announced: 33.9
Percentage of allocated address space announced: 64.8
Percentage of available address space allocated: 52.4
Total number of prefixes smaller than registry allocations: 73678
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 17053
Prefixes being announced from the APNIC address blocks: 15564
APNIC Region origin ASes present in the Internet Routing Table: 1398
APNIC Region origin ASes announcing only one prefix: 461
APNIC Region transit ASes present in the Internet Routing Table: 240
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 88617138
Equivalent to 5 /8s, 72 /16s and 48 /24s
Percentage of available APNIC address space announced: 74.8
APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239
17408 - 18431, 23552 - 24575
APNIC Address Blocks 61/8, 202/7, 210/7 and 218/7
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 73652
Prefixes being announced from the ARIN address blocks: 52518
ARIN Region origin ASes present in the Internet Routing Table: 7150
ARIN Region origin ASes announcing only one prefix: 2170
ARIN Region transit ASes present in the Internet Routing Table: 736
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 220273038
Equivalent to 13 /8s, 33 /16s and 25 /24s
Percentage of available ARIN address space announced: 82.1
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 - 23551
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: 17725
Prefixes being announced from the RIPE address blocks: 14394
RIPE Region origin ASes present in the Internet Routing Table: 3429
RIPE Region origin ASes announcing only one prefix: 1831
RIPE Region transit ASes present in the Internet Routing Table: 601
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 109858828
Equivalent to 6 /8s, 140 /16s and 80 /24s
Percentage of available RIPE address space announced: 72.8
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 1540 1303 Telstra Pty Ltd
2764 403 357 connect.com.au pty ltd
703 388 358 UUNET Technologies, Inc.
2907 372 1864 SINET Japan
4766 365 1448 Korea Internet Exchange for "
4755 349 169 Videsh Sanchar Nigam Ltd. Aut
7474 296 275 Optus Communications Pty Ltd
4134 255 1926 Data Communications Bureau
4740 172 26 OzEmail ISP
17676 168 1957 XTAGE CORPORATION
9443 165 53 Primus Telecommunications
1659 154 1156 Taiwan Academic Network (TANe
17557 142 9 Pakistan Telecom
7539 140 142 TANet2, sponsored by NSC, TAI
2521 137 171 PSINet Japan
4812 137 305 China Telecom (Group) - Shang
9583 135 46 Satyam Infoway Ltd.,
9768 128 362 Korea Telecom
4786 121 14 NetConnect Communications Pty
4763 120 69 Telstra New Zealand
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 975 1986 UUNET Technologies, Inc.
3301 433 950 TeliaNet Sweden
1257 269 500 SWIPnet Swedish IP Network
3215 233 568 France Telecom / &Equant
680 231 2148 DFN-IP service G-WiN
5515 196 672 Sonera Finland Autonomous Sys
3320 195 1957 Deutsche Telekom AG
786 184 1890 The JANET IP Service
8708 173 17 Romania Data Systems S.A.
5400 140 64 Concert European Core Network
719 132 289 LANLINK autonomous system
2856 132 777 BTnet UK Regional network
3303 131 560 Swisscom Ltd
5549 121 82 Nextra Deutschland GmbH + Co.
517 110 250 KPNQwest Germany GmbH
1273 109 177 Cable & Wireless ECRC GmbH
12302 109 7 MobiFon S.A.
3269 105 808 TELECOM ITALIA
1270 102 672 UUNET Germany
1290 102 398 PSINet UK Ltd.
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2247 9169 UUNET Technologies, Inc.
7018 1085 7316 AT&T
3967 1072 484 Exodus Communication
1 839 8536 BBN Planet
7046 816 988 UUNET Technologies, Inc.
8010 718 98 PublicNet Communications, Inc
1239 717 3335 Sprint
3908 684 1518 Supernet, Inc.
209 591 2218 Qwest
852 513 693 Telus Advanced Communications
690 500 87 Merit Network
4323 493 406 Time Warner Communications, I
2149 483 334 Performance Systems, Inc.
2914 473 2253 Verio, Inc.
4293 439 112 Cable & Wireless USA
705 409 163 UUNET Technologies, Inc.
3549 379 841 Global Crossing
3561 376 2285 Cable & Wireless USA
4151 365 1254 USDA
577 352 636 Bell Advanced Communications
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2247 9169 UUNET Technologies, Inc.
1221 1540 1303 Telstra Pty Ltd
7018 1085 7316 AT&T
3967 1072 484 Exodus Communication
702 975 1986 UUNET Technologies, Inc.
1 839 8536 BBN Planet
7046 816 988 UUNET Technologies, Inc.
8010 718 98 PublicNet Communications, Inc
1239 717 3335 Sprint
3908 684 1518 Supernet, Inc.
209 591 2218 Qwest
852 513 693 Telus Advanced Communications
690 500 87 Merit Network
4323 493 406 Time Warner Communications, I
2149 483 334 Performance Systems, Inc.
2914 473 2253 Verio, Inc.
4293 439 112 Cable & Wireless USA
3301 433 950 TeliaNet Sweden
705 409 163 UUNET Technologies, Inc.
2764 403 357 connect.com.au pty ltd
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 64.42.104.0/22 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
6971 UNALLOCATED 66.182.0.0/18 2516 Kokusai Denshin Denw
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
6971 UNALLOCATED 199.164.144.0/24 2914 Verio, Inc.
6971 UNALLOCATED 199.249.223.0/24 2516 Kokusai Denshin Denw
65000 PRIVATE 203.21.200.0/24 1221 Telstra Pty Ltd
6971 UNALLOCATED 204.69.206.0/24 2914 Verio, Inc.
6971 UNALLOCATED 205.163.58.0/24 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.
6971 UNALLOCATED 207.12.40.0/22 2914 Verio, Inc.
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
6971 UNALLOCATED 208.1.124.0/23 2914 Verio, Inc.
6971 UNALLOCATED 208.1.200.0/21 2914 Verio, Inc.
6971 UNALLOCATED 216.105.192.0/20 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.121.224.0/19 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.173.192.0/19 2914 Verio, Inc.
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 216.210.160.0/21 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
89.81.192.0/20 6695 DE-CIX AS
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 /12:37
/13:89 /14:220 /15:383 /16:7062 /17:1343 /18:2412
/19:7054 /20:5975 /21:4731 /22:7087 /23:8904 /24:61496
/25:334 /26:307 /27:283 /28:259 /29:164 /30:184
/31:0 /32:65
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 1440 2247 UUNET Technologies, Inc.
1221 1397 1540 Telstra Pty Ltd
3967 889 1072 Exodus Communication
8010 703 718 PublicNet Communications, Inc
702 667 975 UUNET Technologies, Inc.
7046 646 816 UUNET Technologies, Inc.
7018 560 1085 AT&T
690 496 500 Merit Network
3908 462 684 Supernet, Inc.
4323 429 493 Time Warner Communications, I
4293 424 439 Cable & Wireless USA
209 417 591 Qwest
1239 406 717 Sprint
1 403 839 BBN Planet
2764 360 403 connect.com.au pty ltd
2149 358 483 Performance Systems, Inc.
852 336 513 Telus Advanced Communications
705 333 409 UUNET Technologies, Inc.
4151 320 365 USDA
703 318 388 UUNET Technologies, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:5 9:1 12:419 13:10 15:1 17:5
20:1 24:838 25:1 26:1 32:75 38:13
43:2 44:2 47:2 52:1 53:9 57:12
61:130 62:153 63:1904 64:1504 65:908 66:712
67:2 80:109 128:60 129:109 130:23 131:42
132:13 133:2 134:133 135:8 136:118 137:109
138:195 139:50 140:168 141:58 142:66 143:40
144:146 145:11 146:196 147:132 148:147 149:86
150:41 151:190 152:380 153:55 154:8 155:83
156:92 157:105 158:67 159:70 160:45 161:51
162:77 163:129 164:129 165:122 166:206 167:159
168:130 169:46 170:293 171:2 192:5367 193:2027
194:2058 195:852 196:454 198:3741 199:3435 200:2393
201:1 202:2865 203:4552 204:3344 205:2136 206:2764
207:2643 208:2974 209:2979 210:535 211:295 212:927
213:536 214:9 215:16 216:2949 217:426 218:6
End of report
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