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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 24 Jul, 2001
Analysis Summary
----------------
BGP routing table entries examined: 104931
Origin ASes present in the Internet Routing Table: 11346
Origin ASes announcing only one prefix: 4159
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: 42
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: 1246663191
Equivalent to 74 /8s, 78 /16s and 146 /24s
Percentage of available address space announced: 33.6
Percentage of allocated address space announced: 65.3
Percentage of available address space allocated: 51.5
Total number of prefixes smaller than registry allocations: 71291
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 15623
Prefixes being announced from the APNIC address blocks: 14065
APNIC Region origin ASes present in the Internet Routing Table: 1332
APNIC Region origin ASes announcing only one prefix: 465
APNIC Region transit ASes present in the Internet Routing Table: 224
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 74390319
Equivalent to 4 /8s, 111 /16s and 27 /24s
Percentage of available APNIC address space announced: 73.1
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: 71941
Prefixes being announced from the ARIN address blocks: 51877
ARIN Region origin ASes present in the Internet Routing Table: 6825
ARIN Region origin ASes announcing only one prefix: 2009
ARIN Region transit ASes present in the Internet Routing Table: 703
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 14
Number of ARIN addresses announced to Internet: 201534248
Equivalent to 12 /8s, 3 /16s and 43 /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: 17362
Prefixes being announced from the RIPE address blocks: 13442
RIPE Region origin ASes present in the Internet Routing Table: 3202
RIPE Region origin ASes announcing only one prefix: 1685
RIPE Region transit ASes present in the Internet Routing Table: 576
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 102170296
Equivalent to 6 /8s, 22 /16s and 254 /24s
Percentage of available RIPE address space announced: 67.7
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 1681 1331 Telstra
2764 433 345 connect.com.au pty ltd
703 401 383 UUNET Technologies, Inc.
2907 366 1768 SINET Japan
4755 300 165 VSNL India
7474 242 292 Optus Communications
4134 233 1618 Data Communications Bureau
7539 207 165 TANet2, sponsored by NSC, TAI
4766 175 1336 KORnet Powered BY Korea Telec
9443 142 39 INTERNETPRIMUS-AS-A
7545 138 20 TPG Internet Pty Ltd
4786 130 17 NetConnect Communications Pty
4763 119 69 Telstra New Zealand
17561 115 151 Internet service provision to
7586 113 17 Paradox Digital Pty. Ltd
7657 112 22 The Internet Group Limited
4812 111 279 Shanghai Telecom Company
4740 110 15 Ozemail
9583 110 60 Satyam Infoway Ltd.,
4713 109 878 NTT-OCNET
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 244 868 UUNET Germany
680 229 2069 Deutschef Forschurgsnetz
3215 222 495 RAIN
15878 206 8 Global Center Paris
719 187 291 LANLINK
786 184 1890 JANET IP Service
3320 175 1411 Deutsche Telekom AG
5515 175 654 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
8503 110 3 PCNET - PCNET DATA Network
1267 107 1989 IUnet S.p.A
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2309 8319 UUNET Technologies, Inc.
7018 968 6962 AT&T
1 906 8700 BBN Planet
7046 750 1072 UUNET Technologies, Inc.
1239 687 3327 Sprint ICM-Inria
2914 518 2319 Verio, Inc.
690 510 76 Merit Network
4293 490 99 Cable & Wireless USA
209 474 1883 Qwest
3561 429 2449 Cable & Wireless USA
2548 414 1010 Digital Express Group, Inc.
3908 413 487 Supernet, Inc.
2149 409 361 Performance Systems, Inc.
18994 397 10 Global Crossing
3549 354 817 Global Crossing
11371 335 100 Rhythms NetConnections
3967 334 450 Exodus Communication
2551 323 643 NETCOM On-Line Communication
15290 320 340 AT&T Canada IES
4323 316 312 Time Warner Communications, I
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2309 8319 UUNET Technologies, Inc.
1221 1681 1331 Telstra
7018 968 6962 AT&T
1 906 8700 BBN Planet
7046 750 1072 UUNET Technologies, Inc.
1239 687 3327 Sprint ICM-Inria
702 681 1846 UUNET Technologies, Inc.
2914 518 2319 Verio, Inc.
690 510 76 Merit Network
4293 490 99 Cable & Wireless USA
209 474 1883 Qwest
2764 433 345 connect.com.au pty ltd
3301 430 918 TeliaNet Sweden
3561 429 2449 Cable & Wireless USA
15870 417 12 Global Center Frankfurt
2548 414 1010 Digital Express Group, Inc.
3908 413 487 Supernet, Inc.
2149 409 361 Performance Systems, Inc.
703 401 383 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
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
/13:82 /14:215 /15:360 /16:6935 /17:1190 /18:2247
/19:6753 /20:5463 /21:4549 /22:6828 /23:8641 /24:59290
/25:290 /26:359 /27:439 /28:442 /29:358 /30:343
/31:1 /32:73
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
1221 1527 1681 Telstra
701 1444 2309 UUNET Technologies, Inc.
7046 583 750 UUNET Technologies, Inc.
690 507 510 Merit Network
7018 494 968 AT&T
4293 474 490 Cable & Wireless USA
702 430 681 UUNET Technologies, Inc.
1 426 906 BBN Planet
15870 413 417 Global Center Frankfurt
18994 395 397 Global Crossing
2764 389 433 connect.com.au pty ltd
1239 369 687 Sprint ICM-Inria
209 351 474 Qwest
703 331 401 UUNET Technologies, Inc.
11371 322 335 Rhythms NetConnections
3908 318 413 Supernet, Inc.
18993 308 312 Global Crossing
2548 304 414 Digital Express Group, Inc.
8013 279 309 PSINet Ltd. Canada
6995 276 290 Bell Atlantic Internet Soluti
Advertised prefixes smaller than registry allocations (per /8 block)
--------------------------------------------------------------------
4:1 6:12 9:6 12:581 13:13 15:11
17:13 20:7 24:848 26:1 32:42 35:3
38:20 40:2 43:4 44:10 45:1 47:40
52:2 53:4 55:1 56:5 57:16 61:130
62:195 63:2513 64:2730 65:1015 66:797 80:42
128:61 129:185 130:54 131:67 132:39 133:1
134:238 135:11 136:37 137:180 138:232 139:86
140:258 141:225 142:109 143:98 144:201 145:32
146:199 147:179 148:252 149:125 150:63 151:263
152:966 153:40 154:26 155:143 156:92 157:151
158:114 159:83 160:93 161:145 162:161 163:244
164:171 165:252 166:261 167:148 168:207 169:54
170:451 171:20 172:1 192:32 193:2613 194:2751
195:1052 196:3 198:6 199:3903 200:2769 202:3756
203:5766 204:4379 205:2913 206:4165 207:3639 208:5230
209:4100 210:792 211:332 212:1119 213:706 216:4739
217:444 218:3
End of report
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