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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 05 Sep, 2001
Analysis Summary
----------------
BGP routing table entries examined: 106404
Origin ASes present in the Internet Routing Table: 11583
Origin ASes announcing only one prefix: 4235
Transit ASes present in the Internet Routing Table: 1504
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: 51
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: 1215284752
Equivalent to 72 /8s, 111 /16s and 198 /24s
Percentage of available address space announced: 32.8
Percentage of allocated address space announced: 63.1
Percentage of available address space allocated: 51.9
Total number of prefixes smaller than registry allocations: 72356
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16155
Prefixes being announced from the APNIC address blocks: 14539
APNIC Region origin ASes present in the Internet Routing Table: 1359
APNIC Region origin ASes announcing only one prefix: 455
APNIC Region transit ASes present in the Internet Routing Table: 228
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 77776501
Equivalent to 4 /8s, 162 /16s and 198 /24s
Percentage of available APNIC address space announced: 76.5
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: 73030
Prefixes being announced from the ARIN address blocks: 52508
ARIN Region origin ASes present in the Internet Routing Table: 6974
ARIN Region origin ASes announcing only one prefix: 2064
ARIN Region transit ASes present in the Internet Routing Table: 702
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 23
Number of ARIN addresses announced to Internet: 207871123
Equivalent to 12 /8s, 99 /16s and 220 /24s
Percentage of available ARIN address space announced: 77.4
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: 17213
Prefixes being announced from the RIPE address blocks: 13622
RIPE Region origin ASes present in the Internet Routing Table: 3262
RIPE Region origin ASes announcing only one prefix: 1716
RIPE Region transit ASes present in the Internet Routing Table: 576
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 106249515
Equivalent to 6 /8s, 85 /16s and 61 /24s
Percentage of available RIPE address space announced: 70.4
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 1620 1315 Telstra Pty Ltd
2764 430 378 connect.com.au pty ltd
703 428 373 UUNET Technologies, Inc.
2907 368 1816 SINET Japan
4755 297 161 Videsh Sanchar Nigam Ltd. Aut
4766 253 1319 Korea Internet Exchange for "
4134 245 1785 Data Communications Bureau
7474 236 289 Optus Communications Pty Ltd
7539 210 187 TANet2, sponsored by NSC, TAI
4740 191 22 OzEmail ISP
7545 145 25 TPG Internet Pty Ltd
9443 143 39 Primus Telecommunications
4786 129 17 NetConnect Communications Pty
9583 124 62 Satyam Infoway Ltd.,
4763 120 69 Telstra New Zealand
17561 116 167 Internet service provision to
4713 115 868 NTT Communications Corporatio
17557 110 7 Pakistan Telecom
4812 108 277 China Telecom (Group)
7586 108 17 Paradox Digital Pty Ltd
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 736 1785 UUNET Technologies, Inc.
3301 434 918 TeliaNet Sweden
1257 279 522 SWIPnet Swedish IP Network
680 235 2292 DFN-IP service G-WiN
3215 224 512 France Telecom / &Equant
1270 196 808 UUNET Germany
5515 194 688 Sonera Finland Autonomous Sys
3320 185 1940 Deutsche Telekom AG
786 184 1890 The JANET IP Service
15870 180 11 Global Center Frankfurt
719 179 291 LANLINK autonomous system
8708 150 19 Romania Data Systems S.A.
15878 143 12 Global Center Paris
5400 136 66 Concert European Core Network
3303 132 576 Swisscom Ltd
2856 125 774 BTnet UK Regional network
5549 123 66 Nextra Deutschland GmbH + Co.
517 115 269 KPNQwest Germany GmbH
1267 103 1989 Infostrada S.p.A.
3269 101 801 TELECOM ITALIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2261 8188 UUNET Technologies, Inc.
7018 1028 7147 AT&T
3908 902 633 Supernet, Inc.
1 874 8644 BBN Planet
7046 788 1006 UUNET Technologies, Inc.
1239 728 3283 Sprint
3967 601 471 Exodus Communication
690 524 82 Merit Network
209 510 2136 Qwest
2914 497 2275 Verio, Inc.
4293 474 114 Cable & Wireless USA
3561 422 2377 Cable & Wireless USA
2548 384 982 Business Internet, Inc.
2149 370 311 Performance Systems, Inc.
3549 367 835 Global Crossing
577 363 634 Bell Advanced Communications
4323 351 343 Time Warner Communications, I
15290 344 338 AT&T Canada IES
4151 332 1234 USDA
6347 330 359 SAVVIS Communications Corpora
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2261 8188 UUNET Technologies, Inc.
1221 1620 1315 Telstra Pty Ltd
7018 1028 7147 AT&T
3908 902 633 Supernet, Inc.
1 874 8644 BBN Planet
7046 788 1006 UUNET Technologies, Inc.
702 736 1785 UUNET Technologies, Inc.
1239 728 3283 Sprint
3967 601 471 Exodus Communication
690 524 82 Merit Network
209 510 2136 Qwest
2914 497 2275 Verio, Inc.
4293 474 114 Cable & Wireless USA
3301 434 918 TeliaNet Sweden
2764 430 378 connect.com.au pty ltd
703 428 373 UUNET Technologies, Inc.
3561 422 2377 Cable & Wireless USA
2548 384 982 Business Internet, Inc.
2149 370 311 Performance Systems, Inc.
2907 368 1816 SINET Japan
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65534 PRIVATE 62.23.176.0/24 6675 Colt Telecommunicati
65534 PRIVATE 62.23.177.0/24 6675 Colt Telecommunicati
6971 UNALLOCATED 64.42.0.0/18 2516 Kokusai Denshin Denw
6971 UNALLOCATED 64.42.0.0/17 2516 Kokusai Denshin Denw
6971 UNALLOCATED 64.42.40.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.48.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.60.0/22 2914 Verio, Inc.
6971 UNALLOCATED 64.42.72.0/21 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
578 UNALLOCATED 64.230.242.16/28 577 Bell Advanced Commun
22091 UNALLOCATED 65.113.20.0/24 209 Qwest
22195 UNALLOCATED 65.116.137.0/24 209 Qwest
22116 UNALLOCATED 65.209.83.0/24 701 UUNET Technologies,
65000 PRIVATE 138.163.4.0/24 665 Department of Navy
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
1877 UNALLOCATED 192.108.201.0/24 1880 Stupi, house man's p
65460 PRIVATE 192.231.11.0/24 7018 AT&T
6971 UNALLOCATED 199.249.223.0/24 2516 Kokusai Denshin Denw
64550 PRIVATE 203.161.39.0/24 17802 Internet AccessFor Q
22284 UNALLOCATED 205.173.0.0/22 701 UUNET Technologies,
22284 UNALLOCATED 205.173.7.0/24 701 UUNET Technologies,
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,
22257 UNALLOCATED 207.176.8.0/21 3491 CAIS Internet
22091 UNALLOCATED 208.46.178.0/24 209 Qwest
22195 UNALLOCATED 208.252.244.0/24 209 Qwest
22259 UNALLOCATED 208.254.175.0/24 701 UUNET Technologies,
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 216.174.202.0/23 2914 Verio, Inc.
6971 UNALLOCATED 216.174.204.0/22 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 216.174.240.0/22 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 216.229.96.0/20 2516 Kokusai Denshin Denw
Advertised Unregistered Addresses
---------------------------------
Network Origin AS Description
82.105.0.0/16 3269 TELECOM ITALIA
82.105.128.0/17 3269 TELECOM ITALIA
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
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 /10:6 /11:12 /12:32
/13:84 /14:226 /15:380 /16:6963 /17:1224 /18:2317
/19:6899 /20:5742 /21:4680 /22:6914 /23:8781 /24:60457
/25:331 /26:350 /27:302 /28:255 /29:165 /30:187
/31:1 /32:74
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
1221 1471 1620 Telstra Pty Ltd
701 1426 2261 UUNET Technologies, Inc.
3908 750 902 Supernet, Inc.
7046 612 788 UUNET Technologies, Inc.
7018 526 1028 AT&T
690 521 524 Merit Network
702 478 736 UUNET Technologies, Inc.
4293 457 474 Cable & Wireless USA
3967 422 601 Exodus Communication
1 411 874 BBN Planet
1239 405 728 Sprint
2764 383 430 connect.com.au pty ltd
703 355 428 UUNET Technologies, Inc.
209 351 510 Qwest
11371 306 319 Rhythms NetConnections
4323 294 351 Time Warner Communications, I
4151 290 332 USDA
2548 278 384 Business Internet, Inc.
6995 275 289 Bell Atlantic Internet Soluti
705 273 315 UUNET Technologies, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:2 9:1 12:406 13:10 15:1 17:6
20:1 24:767 26:1 32:70 38:8 43:3
44:2 53:2 55:1 57:15 61:70 62:141
63:1902 64:1336 65:645 66:458 80:40 128:47
129:114 130:15 131:42 132:12 133:1 134:152
135:9 136:22 137:93 138:203 139:46 140:198
141:160 142:63 143:39 144:144 145:11 146:144
147:130 148:229 149:89 150:36 151:209 152:394
153:31 154:23 155:79 156:83 157:117 158:72
159:66 160:44 161:59 162:67 163:143 164:108
165:90 166:187 167:139 168:117 169:36 170:284
171:2 192:5448 193:1939 194:2032 195:834 196:414
198:3669 199:3288 200:2505 201:1 202:2717 203:4625
204:3325 205:2246 206:2866 207:2579 208:3073 209:3222
210:529 211:134 212:804 213:484 214:8 215:13
216:3078 217:385 218:2
End of report
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