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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 23 Jul, 2001
Analysis Summary
----------------
BGP routing table entries examined: 104760
Origin ASes present in the Internet Routing Table: 11342
Origin ASes announcing only one prefix: 4153
Transit ASes present in the Internet Routing Table: 1502
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 15
Illegal AS announcements present in the Routing Table: 43
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 18
Number of addresses announced to Internet: 1247030999
Equivalent to 74 /8s, 84 /16s and 46 /24s
Percentage of available address space announced: 33.6
Percentage of allocated address space announced: 65.4
Percentage of available address space allocated: 51.5
Total number of prefixes smaller than registry allocations: 71185
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 15602
Prefixes being announced from the APNIC address blocks: 14055
APNIC Region origin ASes present in the Internet Routing Table: 1330
APNIC Region origin ASes announcing only one prefix: 463
APNIC Region transit ASes present in the Internet Routing Table: 225
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 74255334
Equivalent to 4 /8s, 109 /16s and 11 /24s
Percentage of available APNIC address space announced: 73.0
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: 71813
Prefixes being announced from the ARIN address blocks: 51816
ARIN Region origin ASes present in the Internet Routing Table: 6822
ARIN Region origin ASes announcing only one prefix: 2006
ARIN Region transit ASes present in the Internet Routing Table: 700
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 14
Number of ARIN addresses announced to Internet: 201644104
Equivalent to 12 /8s, 4 /16s and 216 /24s
Percentage of available ARIN address space announced: 80.1
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 - 22527
ARIN Address Blocks 24/8, 63/8, 64/6, 199/8, 200/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 17340
Prefixes being announced from the RIPE address blocks: 13430
RIPE Region origin ASes present in the Internet Routing Table: 3204
RIPE Region origin ASes announcing only one prefix: 1684
RIPE Region transit ASes present in the Internet Routing Table: 578
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 101734965
Equivalent to 6 /8s, 16 /16s and 90 /24s
Percentage of available RIPE address space announced: 67.4
RIPE AS Blocks 1877 - 1901, 2042, 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 1677 1347 Telstra
2764 433 345 connect.com.au pty ltd
703 400 383 UUNET Technologies, Inc.
2907 366 1768 SINET Japan
4755 301 167 VSNL India
7474 242 292 Optus Communications
4134 233 1618 Data Communications Bureau
7539 207 165 TANet2, sponsored by NSC, TAI
4766 176 1336 KORnet Powered BY Korea Telec
7545 145 21 TPG Internet Pty Ltd
9443 141 39 INTERNETPRIMUS-AS-A
4786 130 17 NetConnect Communications Pty
4763 119 69 Telstra New Zealand
17561 115 151 Internet service provision to
7657 113 22 The Internet Group Limited
7586 112 17 Paradox Digital Pty. Ltd
4812 111 279 Shanghai Telecom Company
4740 110 15 Ozemail
4713 109 878 NTT-OCNET
9583 108 60 Satyam Infoway Ltd.,
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 681 1846 UUNET Technologies, Inc.
3301 430 918 TeliaNet Sweden
15870 417 12 Global Center Frankfurt
1257 280 520 Swipnet AB
1270 245 868 UUNET Germany
680 229 2069 Deutschef Forschurgsnetz
3215 222 495 RAIN
15878 206 8 Global Center Paris
719 186 291 LANLINK
786 183 1890 JANET IP Service
3320 175 1411 Deutsche Telekom AG
5515 174 654 Sonera Finland
8708 151 15 Romania Data System
5400 139 66 Concert Internet Plus Europea
3303 130 575 Swisscom
517 124 272 Xlink
2856 123 776 BTnet UK Regional network
5549 117 66 Seicom Computer Gmb
1267 107 1989 IUnet S.p.A
8503 106 3 PCNET - PCNET DATA Network
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2314 8319 UUNET Technologies, Inc.
7018 968 6962 AT&T
1 907 8700 BBN Planet
7046 751 1072 UUNET Technologies, Inc.
1239 689 3327 Sprint ICM-Inria
2914 517 2319 Verio, Inc.
690 513 77 Merit Network
4293 480 98 Cable & Wireless USA
209 473 1867 Qwest
3561 430 2450 Cable & Wireless USA
2548 414 1010 Digital Express Group, Inc.
3908 412 487 Supernet, Inc.
2149 408 361 Performance Systems, Inc.
18994 397 10 Global Crossing
3549 354 817 Global Crossing
11371 335 100 Rhythms NetConnections
3967 332 450 Exodus Communication
4323 327 313 Time Warner Communications, I
2551 323 643 NETCOM On-Line Communication
15290 320 340 AT&T Canada IES
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2314 8319 UUNET Technologies, Inc.
1221 1677 1347 Telstra
7018 968 6962 AT&T
1 907 8700 BBN Planet
7046 751 1072 UUNET Technologies, Inc.
1239 689 3327 Sprint ICM-Inria
702 681 1846 UUNET Technologies, Inc.
2914 517 2319 Verio, Inc.
690 513 77 Merit Network
4293 480 98 Cable & Wireless USA
209 473 1867 Qwest
2764 433 345 connect.com.au pty ltd
3301 430 918 TeliaNet Sweden
3561 430 2450 Cable & Wireless USA
15870 417 12 Global Center Frankfurt
2548 414 1010 Digital Express Group, Inc.
3908 412 487 Supernet, Inc.
2149 408 361 Performance Systems, Inc.
703 400 383 UUNET Technologies, Inc.
18994 397 10 Global Crossing
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
18541 UNALLOCATED 63.166.66.0/24 1239 Sprint ICM-Inria
18541 UNALLOCATED 63.169.205.0/24 1239 Sprint ICM-Inria
19714 UNALLOCATED 64.166.88.0/24 701 UUNET Technologies,
578 UNALLOCATED 64.230.242.0/28 577 Bell Canada
578 UNALLOCATED 64.230.242.16/28 577 Bell Canada
65501 PRIVATE 64.243.116.0/24 16890 K&G Network Services
19714 UNALLOCATED 65.200.78.0/23 701 UUNET Technologies,
2027 UNALLOCATED 150.185.128.0/18 8143 Publicom Corp.
1877 UNALLOCATED 192.108.196.0/24 1800 SPRINT
1877 UNALLOCATED 192.108.209.0/24 1880 Stupi, house man's
1877 UNALLOCATED 192.108.210.0/24 1880 Stupi, house man's
1877 UNALLOCATED 192.108.214.0/24 1800 SPRINT
19062 UNALLOCATED 192.197.96.0/20 1691 BCTEL Advanced Commu
65460 PRIVATE 192.231.11.0/24 7018 AT&T
5757 UNALLOCATED 192.239.13.0/24 701 UUNET Technologies,
65534 PRIVATE 200.40.20.0/24 6057 Av. Fernandez Crespo
65534 PRIVATE 200.40.23.0/24 6057 Av. Fernandez Crespo
17657 UNALLOCATED 202.161.160.0/20 9653 AGNS HongKong NET
4831 UNALLOCATED 202.172.32.0/20 9740 Cable & Wireless Net
21637 UNALLOCATED 204.1.98.0/24 2914 Verio, Inc.
21637 UNALLOCATED 204.1.106.0/24 2914 Verio, Inc.
21637 UNALLOCATED 204.1.107.0/24 2914 Verio, Inc.
21637 UNALLOCATED 204.1.108.0/24 2914 Verio, Inc.
21637 UNALLOCATED 204.1.109.0/24 2914 Verio, Inc.
21637 UNALLOCATED 204.27.68.0/24 2914 Verio, Inc.
21637 UNALLOCATED 204.27.76.0/24 2914 Verio, Inc.
21637 UNALLOCATED 204.27.94.0/24 2914 Verio, Inc.
21637 UNALLOCATED 204.27.95.0/24 2914 Verio, Inc.
21637 UNALLOCATED 204.27.96.0/24 2914 Verio, Inc.
21637 UNALLOCATED 204.27.100.0/24 2914 Verio, Inc.
21637 UNALLOCATED 204.27.104.0/24 2914 Verio, Inc.
21637 UNALLOCATED 204.27.106.0/24 2914 Verio, Inc.
21637 UNALLOCATED 204.27.107.0/24 2914 Verio, Inc.
21637 UNALLOCATED 204.27.109.0/24 2914 Verio, Inc.
21637 UNALLOCATED 204.27.115.0/24 2914 Verio, Inc.
20413 UNALLOCATED 204.108.128.0/17 6347 SAVVIS Communication
19551 UNALLOCATED 204.229.224.0/22 6226 US West Communicatio
20413 UNALLOCATED 207.8.234.0/24 6347 SAVVIS Communication
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
20413 UNALLOCATED 207.106.119.0/24 6347 SAVVIS Communication
19322 UNALLOCATED 208.44.17.0/24 209 Qwest
21879 UNALLOCATED 209.81.62.0/24 701 UUNET Technologies,
65515 PRIVATE 212.110.142.0/24 5593 CRIS-AS
Advertised Unregistered Addresses
---------------------------------
Network Origin AS Description
82.105.0.0/16 3269 TELECOM ITALIA
82.105.128.0/17 3269 TELECOM ITALIA
99.0.0.0/8 9638 National Agricultural Coopera
128.65.0.0/16 3463 ACES Research Inc
132.0.0.0/10 568 DISO-UNRRA
134.137.0.0/16 7170 AT&T Government Markets
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 US DOD NIC Unregistered
172.32.1.0/25 1221 Telstra
172.122.0.0/16 701 UUNET Technologies, Inc.
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 /8:20 /9:5 /10:6 /11:9 /12:33
/13:84 /14:216 /15:359 /16:6927 /17:1186 /18:2244
/19:6752 /20:5455 /21:4538 /22:6818 /23:8624 /24:59193
/25:290 /26:362 /27:432 /28:442 /29:357 /30:338
/31:1 /32:69
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
1221 1522 1677 Telstra
701 1449 2314 UUNET Technologies, Inc.
7046 584 751 UUNET Technologies, Inc.
690 510 513 Merit Network
7018 494 968 AT&T
4293 464 480 Cable & Wireless USA
702 430 681 UUNET Technologies, Inc.
1 427 907 BBN Planet
15870 413 417 Global Center Frankfurt
18994 395 397 Global Crossing
2764 389 433 connect.com.au pty ltd
1239 371 689 Sprint ICM-Inria
209 351 473 Qwest
703 330 400 UUNET Technologies, Inc.
11371 322 335 Rhythms NetConnections
3908 317 412 Supernet, Inc.
18993 308 312 Global Crossing
2548 304 414 Digital Express Group, Inc.
4323 279 327 Time Warner Communications, I
6995 276 290 Bell Atlantic Internet Soluti
Advertised prefixes smaller than registry allocations (per /8 block)
--------------------------------------------------------------------
4:1 6:12 9:6 12:585 13:13 15:11
17:13 20:7 24:853 26:1 32:42 35:1
38:31 40:2 43:4 44:10 45:1 47:40
52:2 53:4 55:1 56:5 57:16 61:131
62:194 63:2517 64:2750 65:1010 66:795 80:45
128:61 129:183 130:54 131:67 132:38 133:1
134:212 135:11 136:36 137:179 138:233 139:86
140:251 141:225 142:95 143:98 144:202 145:32
146:198 147:179 148:243 149:125 150:63 151:263
152:969 153:40 154:26 155:143 156:92 157:156
158:114 159:83 160:93 161:145 162:161 163:244
164:164 165:250 166:261 167:149 168:218 169:54
170:448 171:20 172:1 192:32 193:2607 194:2751
195:1044 196:3 198:6 199:3893 200:2768 202:3726
203:5788 204:4374 205:2916 206:4133 207:3621 208:5228
209:4098 210:790 211:332 212:1119 213:711 216:4727
217:450 218:3
End of report
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