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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 30 Oct, 2001
Analysis Summary
----------------
BGP routing table entries examined: 109636
Origin ASes present in the Internet Routing Table: 11951
Origin ASes announcing only one prefix: 4418
Transit ASes present in the Internet Routing Table: 1583
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: 102
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: 1272115944
Equivalent to 75 /8s, 210 /16s and 242 /24s
Percentage of available address space announced: 34.3
Percentage of allocated address space announced: 65.5
Percentage of available address space allocated: 52.4
Total number of prefixes smaller than registry allocations: 74711
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16830
Prefixes being announced from the APNIC address blocks: 15332
APNIC Region origin ASes present in the Internet Routing Table: 1389
APNIC Region origin ASes announcing only one prefix: 453
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: 14
Number of APNIC addresses announced to Internet: 83882453
Equivalent to 4 /8s, 255 /16s and 241 /24s
Percentage of available APNIC address space announced: 70.8
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: 74773
Prefixes being announced from the ARIN address blocks: 53507
ARIN Region origin ASes present in the Internet Routing Table: 7180
ARIN Region origin ASes announcing only one prefix: 2147
ARIN Region transit ASes present in the Internet Routing Table: 741
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 219074681
Equivalent to 13 /8s, 14 /16s and 208 /24s
Percentage of available ARIN address space announced: 81.6
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: 18032
Prefixes being announced from the RIPE address blocks: 14449
RIPE Region origin ASes present in the Internet Routing Table: 3408
RIPE Region origin ASes announcing only one prefix: 1818
RIPE Region transit ASes present in the Internet Routing Table: 608
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 126232589
Equivalent to 7 /8s, 134 /16s and 40 /24s
Percentage of available RIPE address space announced: 83.6
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 1564 1305 Telstra Pty Ltd
2764 408 359 connect.com.au pty ltd
703 376 362 UUNET Technologies, Inc.
2907 374 1865 SINET Japan
7474 294 274 Optus Communications Pty Ltd
4755 289 160 Videsh Sanchar Nigam Ltd. Aut
4134 254 1902 Data Communications Bureau
4766 188 1467 Korea Internet Exchange for "
4740 173 26 OzEmail ISP
9443 162 52 Primus Telecommunications
7539 160 173 TANet2, sponsored by NSC, TAI
1659 159 1221 Taiwan Academic Network (TANe
2521 138 171 PSINet Japan
4812 132 298 China Telecom (Group)
17557 132 9 Pakistan Telecom
9768 131 363 Korea Telecom
4786 124 14 NetConnect Communications Pty
4763 121 69 Telstra New Zealand
9583 119 53 Satyam Infoway Ltd.,
4713 118 901 NTT Communications Corporatio
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 936 1926 UUNET Technologies, Inc.
3301 434 950 TeliaNet Sweden
1257 272 516 SWIPnet Swedish IP Network
680 239 2308 DFN-IP service G-WiN
3215 236 539 France Telecom / &Equant
5515 195 688 Sonera Finland Autonomous Sys
3320 193 1941 Deutsche Telekom AG
786 185 1890 The JANET IP Service
8708 162 17 Romania Data Systems S.A.
5495 147 3 University Network
15870 140 10 Global Center Frankfurt
5400 139 64 Concert European Core Network
719 133 289 LANLINK autonomous system
3303 130 560 Swisscom Ltd
2856 129 776 BTnet UK Regional network
1270 126 724 UUNET Germany
5549 124 82 Nextra Deutschland GmbH + Co.
15878 115 9 Global Center Paris
517 112 252 KPNQwest Germany GmbH
12302 110 7 MobiFon S.A.
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2275 9097 UUNET Technologies, Inc.
3908 1174 1675 Supernet, Inc.
7018 1094 7310 AT&T
7046 867 1024 UUNET Technologies, Inc.
1 855 8559 BBN Planet
1239 738 3243 Sprint
3967 674 469 Exodus Communication
209 578 2238 Qwest
690 510 75 Merit Network
2914 473 2263 Verio, Inc.
4293 450 113 Cable & Wireless USA
2149 430 330 Performance Systems, Inc.
4323 407 374 Time Warner Communications, I
3561 396 2318 Cable & Wireless USA
577 354 620 Bell Advanced Communications
3549 354 858 Global Crossing
705 351 63 UUNET Technologies, Inc.
3741 349 765 The Internet Solution
4151 345 1250 USDA
15290 343 339 AT&T Canada IES
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2275 9097 UUNET Technologies, Inc.
1221 1564 1305 Telstra Pty Ltd
3908 1174 1675 Supernet, Inc.
7018 1094 7310 AT&T
702 936 1926 UUNET Technologies, Inc.
7046 867 1024 UUNET Technologies, Inc.
1 855 8559 BBN Planet
1239 738 3243 Sprint
3967 674 469 Exodus Communication
209 578 2238 Qwest
690 510 75 Merit Network
2914 473 2263 Verio, Inc.
4293 450 113 Cable & Wireless USA
3301 434 950 TeliaNet Sweden
2149 430 330 Performance Systems, Inc.
2764 408 359 connect.com.au pty ltd
4323 407 374 Time Warner Communications, I
3561 396 2318 Cable & Wireless USA
703 376 362 UUNET Technologies, Inc.
2907 374 1865 SINET Japan
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
22190 UNALLOCATED 12.24.96.0/24 7018 AT&T
22396 UNALLOCATED 12.148.245.0/24 16441 Intellispace Inc.
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
22141 UNALLOCATED 64.113.208.0/23 19029 New Edge Networks
22151 UNALLOCATED 65.115.37.0/24 5696 WINSTAR
21963 UNALLOCATED 65.117.88.0/21 3908 Supernet, Inc.
22141 UNALLOCATED 65.208.24.0/22 19029 New Edge Networks
22141 UNALLOCATED 65.208.26.0/23 701 UUNET Technologies,
6971 UNALLOCATED 66.182.0.0/18 2516 Kokusai Denshin Denw
21279 UNALLOCATED 80.240.128.0/20 1755 Ebone Transit Core
2027 UNALLOCATED 150.185.128.0/18 8143 Publicom Corp.
22149 UNALLOCATED 157.245.0.0/20 7018 AT&T
22466 UNALLOCATED 192.43.219.0/24 174 PSINet Inc.
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
22388 UNALLOCATED 192.203.116.0/24 11537 University Corporati
22466 UNALLOCATED 192.231.172.0/24 174 PSINet Inc.
17926 UNALLOCATED 192.245.58.0/23 9740 Cable & Wireless Net
21239 UNALLOCATED 193.109.126.0/24 702 UUNET Technologies,
21279 UNALLOCATED 194.6.165.0/24 1755 Ebone Transit Core
21279 UNALLOCATED 194.209.81.0/24 1755 Ebone Transit Core
21279 UNALLOCATED 195.65.102.0/24 1755 Ebone Transit Core
22466 UNALLOCATED 199.43.117.0/24 174 PSINet Inc.
22466 UNALLOCATED 199.85.107.0/24 174 PSINet Inc.
22466 UNALLOCATED 199.164.129.0/24 174 PSINet Inc.
6971 UNALLOCATED 199.249.223.0/24 2516 Kokusai Denshin Denw
22080 UNALLOCATED 200.81.94.0/23 13591 MetroRED Telecomunic
65000 PRIVATE 203.21.200.0/24 1221 Telstra Pty Ltd
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.
22373 UNALLOCATED 207.2.176.0/24 3561 Cable & Wireless USA
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
22463 UNALLOCATED 208.3.198.0/24 21687 Hudson Valley DataNe
22463 UNALLOCATED 208.3.199.0/24 21687 Hudson Valley DataNe
22463 UNALLOCATED 208.28.232.0/24 21687 Hudson Valley DataNe
22463 UNALLOCATED 208.28.236.0/24 21687 Hudson Valley DataNe
21271 UNALLOCATED 208.154.200.0/24 11300 Lyman Brothers
21271 UNALLOCATED 208.154.201.0/24 11300 Lyman Brothers
22397 UNALLOCATED 208.236.202.0/24 174 PSINet Inc.
22475 UNALLOCATED 208.253.52.0/23 174 PSINet Inc.
22164 UNALLOCATED 216.51.170.0/24 1239 Sprint
22466 UNALLOCATED 216.57.6.0/23 15290 AT&T Canada IES
22466 UNALLOCATED 216.57.12.0/23 15290 AT&T Canada IES
22466 UNALLOCATED 216.57.20.0/22 15290 AT&T Canada IES
22466 UNALLOCATED 216.57.56.0/22 15290 AT&T Canada IES
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 216.174.208.0/20 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
21271 UNALLOCATED 217.64.96.0/20 11300 Lyman Brothers
21271 UNALLOCATED 217.64.97.0/24 11300 Lyman Brothers
21271 UNALLOCATED 217.64.98.0/24 11300 Lyman Brothers
21271 UNALLOCATED 217.64.99.0/24 11300 Lyman Brothers
21271 UNALLOCATED 217.64.100.0/24 11300 Lyman Brothers
21271 UNALLOCATED 217.64.102.0/24 11300 Lyman Brothers
21271 UNALLOCATED 217.64.103.0/24 11300 Lyman Brothers
21271 UNALLOCATED 217.64.106.0/24 11300 Lyman Brothers
21271 UNALLOCATED 217.64.108.0/24 11300 Lyman Brothers
4837 UNALLOCATED 218.30.0.0/22 4134 Data Communications
4815 UNALLOCATED 218.30.4.0/22 4134 Data Communications
4816 UNALLOCATED 218.30.8.0/22 4134 Data Communications
4837 UNALLOCATED 218.30.16.0/24 4134 Data Communications
4815 UNALLOCATED 218.30.17.0/24 4134 Data Communications
4816 UNALLOCATED 218.30.18.0/24 4134 Data Communications
17696 UNALLOCATED 218.40.160.0/19 4713 NTT Communications C
Advertised Unregistered Addresses
---------------------------------
Network Origin AS Description
39.0.0.0/8 4554 Exchange Point Blocks
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 /8:19 /9:5 /10:7 /11:12 /12:35
/13:90 /14:223 /15:389 /16:7015 /17:1322 /18:2436
/19:7069 /20:6035 /21:4841 /22:7218 /23:9220 /24:61905
/25:336 /26:326 /27:291 /28:306 /29:165 /30:196
/31:1 /32:174
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 1457 2275 UUNET Technologies, Inc.
1221 1419 1564 Telstra Pty Ltd
3908 891 1174 Supernet, Inc.
7046 688 867 UUNET Technologies, Inc.
702 636 936 UUNET Technologies, Inc.
7018 568 1094 AT&T
690 507 510 Merit Network
3967 500 674 Exodus Communication
4293 435 450 Cable & Wireless USA
1239 414 738 Sprint
1 412 855 BBN Planet
209 406 578 Qwest
2764 363 408 connect.com.au pty ltd
4323 344 407 Time Warner Communications, I
5102 323 336 Ameritech Advanced Data Servi
703 307 376 UUNET Technologies, Inc.
2149 305 430 Performance Systems, Inc.
4151 302 345 USDA
705 300 351 UUNET Technologies, Inc.
11371 296 308 Rhythms NetConnections
Number of /24s announced per /8 block (Global)
----------------------------------------------
9:1 12:422 13:10 15:1 17:5 20:1
24:820 25:1 26:1 32:75 38:13 43:2
44:2 47:2 52:1 53:2 57:12 61:104
62:153 63:1963 64:1351 65:890 66:533 67:3
80:76 128:53 129:111 130:25 131:47 132:13
133:2 134:132 135:8 136:106 137:105 138:195
139:51 140:203 141:58 142:63 143:39 144:145
145:13 146:233 147:129 148:219 149:87 150:42
151:190 152:384 153:51 154:21 155:84 156:94
157:111 158:73 159:70 160:46 161:60 162:72
163:160 164:121 165:127 166:208 167:157 168:123
169:45 170:284 171:2 192:5435 193:2028 194:2057
195:844 196:464 198:3806 199:3525 200:2479 201:1
202:2831 203:4548 204:3392 205:2210 206:2848 207:2601
208:3047 209:3118 210:625 211:154 212:917 213:534
214:9 215:17 216:2985 217:419 218:5
End of report
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