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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 26 Jul, 2001
Analysis Summary
----------------
BGP routing table entries examined: 105309
Origin ASes present in the Internet Routing Table: 11359
Origin ASes announcing only one prefix: 4157
Transit ASes present in the Internet Routing Table: 1498
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 16
Illegal AS announcements present in the Routing Table: 54
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: 1245830482
Equivalent to 74 /8s, 65 /16s and 221 /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: 71655
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 15720
Prefixes being announced from the APNIC address blocks: 14173
APNIC Region origin ASes present in the Internet Routing Table: 1330
APNIC Region origin ASes announcing only one prefix: 459
APNIC Region transit ASes present in the Internet Routing Table: 221
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 74645942
Equivalent to 4 /8s, 115 /16s and 1 /24s
Percentage of available APNIC address space announced: 73.4
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: 72193
Prefixes being announced from the ARIN address blocks: 52019
ARIN Region origin ASes present in the Internet Routing Table: 6835
ARIN Region origin ASes announcing only one prefix: 2011
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: 14
Number of ARIN addresses announced to Internet: 200598620
Equivalent to 11 /8s, 244 /16s and 228 /24s
Percentage of available ARIN address space announced: 79.7
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: 17393
Prefixes being announced from the RIPE address blocks: 13492
RIPE Region origin ASes present in the Internet Routing Table: 3210
RIPE Region origin ASes announcing only one prefix: 1687
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: 102349632
Equivalent to 6 /8s, 25 /16s and 187 /24s
Percentage of available RIPE address space announced: 67.8
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 1676 1330 Telstra
2764 435 361 connect.com.au pty ltd
703 396 367 UUNET Technologies, Inc.
2907 366 1768 SINET Japan
4755 297 165 VSNL India
7474 246 293 Optus Communications
4134 233 1618 Data Communications Bureau
7539 209 175 TANet2, sponsored by NSC, TAI
4766 176 1336 KORnet Powered BY Korea Telec
9443 143 40 INTERNETPRIMUS-AS-A
7545 142 21 TPG Internet Pty Ltd
4786 130 17 NetConnect Communications Pty
4763 119 69 Telstra New Zealand
7586 115 17 Paradox Digital Pty. Ltd
17561 115 151 Internet service provision to
4812 111 279 Shanghai Telecom Company
7657 111 22 The Internet Group Limited
9583 111 60 Satyam Infoway Ltd.,
4713 109 878 NTT-OCNET
4740 109 15 Ozemail
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 678 1814 UUNET Technologies, Inc.
3301 429 918 TeliaNet Sweden
15870 404 11 Global Center Frankfurt
1257 280 520 Swipnet AB
1270 241 869 UUNET Germany
680 229 2069 Deutschef Forschurgsnetz
3215 225 496 RAIN
15878 205 8 Global Center Paris
719 185 291 LANLINK
786 183 1890 JANET IP Service
5515 176 654 Sonera Finland
3320 175 1411 Deutsche Telekom AG
8708 152 15 Romania Data System
5400 139 66 Concert Internet Plus Europea
3303 131 575 Swisscom
517 125 272 Xlink
2856 123 776 BTnet UK Regional network
5549 117 66 Seicom Computer Gmb
1267 107 1989 IUnet S.p.A
8503 107 3 PCNET - PCNET DATA Network
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2312 8318 UUNET Technologies, Inc.
7018 977 6965 AT&T
1 899 8699 BBN Planet
7046 755 1072 UUNET Technologies, Inc.
1239 692 3295 Sprint ICM-Inria
2914 515 2319 Verio, Inc.
690 514 78 Merit Network
4293 483 98 Cable & Wireless USA
209 475 1867 Qwest
3561 426 2448 Cable & Wireless USA
2548 413 1010 Digital Express Group, Inc.
3908 411 487 Supernet, Inc.
2149 409 345 Performance Systems, Inc.
2551 402 648 NETCOM On-Line Communication
18994 392 10 Global Crossing
3549 358 817 Global Crossing
11371 337 100 Rhythms NetConnections
3967 334 450 Exodus Communication
4323 330 314 Time Warner Communications, I
15290 325 340 AT&T Canada IES
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2312 8318 UUNET Technologies, Inc.
1221 1676 1330 Telstra
7018 977 6965 AT&T
1 899 8699 BBN Planet
7046 755 1072 UUNET Technologies, Inc.
1239 692 3295 Sprint ICM-Inria
702 678 1814 UUNET Technologies, Inc.
2914 515 2319 Verio, Inc.
690 514 78 Merit Network
4293 483 98 Cable & Wireless USA
209 475 1867 Qwest
2764 435 361 connect.com.au pty ltd
3301 429 918 TeliaNet Sweden
3561 426 2448 Cable & Wireless USA
2548 413 1010 Digital Express Group, Inc.
3908 411 487 Supernet, Inc.
2149 409 345 Performance Systems, Inc.
15870 404 11 Global Center Frankfurt
2551 402 648 NETCOM On-Line Communication
703 396 367 UUNET Technologies, Inc.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
17680 UNALLOCATED 61.213.48.0/20 10009 ARE Works,Inc.
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,
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,
20938 UNALLOCATED 195.13.38.0/23 8246 Internet Technologie
17803 UNALLOCATED 202.68.128.0/19 4755 VSNL India
17803 UNALLOCATED 202.68.134.0/24 4755 VSNL India
17803 UNALLOCATED 202.68.135.0/24 4755 VSNL India
17803 UNALLOCATED 202.68.136.0/24 4755 VSNL India
17803 UNALLOCATED 202.68.138.0/24 4755 VSNL India
17803 UNALLOCATED 202.68.139.0/24 4755 VSNL India
17803 UNALLOCATED 202.68.140.0/24 4755 VSNL India
17803 UNALLOCATED 202.68.145.0/24 4755 VSNL India
17803 UNALLOCATED 202.68.146.0/24 4755 VSNL India
17803 UNALLOCATED 202.68.147.0/24 4755 VSNL India
17803 UNALLOCATED 202.68.148.0/24 4755 VSNL India
17803 UNALLOCATED 202.68.150.0/24 4755 VSNL India
17803 UNALLOCATED 202.157.190.0/23 4755 VSNL India
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 /12:32
/13:82 /14:217 /15:360 /16:6926 /17:1189 /18:2248
/19:6768 /20:5479 /21:4548 /22:6844 /23:8663 /24:59617
/25:291 /26:362 /27:432 /28:442 /29:354 /30:342
/31:1 /32:72
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
1221 1522 1676 Telstra
701 1447 2312 UUNET Technologies, Inc.
7046 589 755 UUNET Technologies, Inc.
690 511 514 Merit Network
7018 496 977 AT&T
4293 467 483 Cable & Wireless USA
702 429 678 UUNET Technologies, Inc.
1 420 899 BBN Planet
15870 400 404 Global Center Frankfurt
2764 390 435 connect.com.au pty ltd
18994 390 392 Global Crossing
1239 375 692 Sprint ICM-Inria
209 353 475 Qwest
703 327 396 UUNET Technologies, Inc.
11371 324 337 Rhythms NetConnections
3908 316 411 Supernet, Inc.
18993 304 308 Global Crossing
2548 303 413 Digital Express Group, Inc.
2551 296 402 NETCOM On-Line Communication
4323 281 330 Time Warner Communications, I
Advertised prefixes smaller than registry allocations (per /8 block)
--------------------------------------------------------------------
4:1 6:12 9:6 12:586 13:13 15:11
17:13 20:7 24:851 26:1 32:42 35:1
38:20 40:2 43:4 44:10 45:1 47:40
52:2 53:4 55:1 56:5 57:15 61:135
62:196 63:2516 64:2742 65:1024 66:788 80:42
128:62 129:190 130:54 131:67 132:38 133:1
134:237 135:13 136:37 137:169 138:232 139:86
140:257 141:225 142:118 143:98 144:209 145:32
146:203 147:178 148:253 149:125 150:63 151:264
152:970 153:40 154:26 155:143 156:92 157:155
158:114 159:84 160:93 161:145 162:157 163:246
164:211 165:252 166:262 167:171 168:209 169:54
170:451 171:20 172:1 192:32 193:2622 194:2764
195:1055 196:3 198:6 199:3919 200:2793 202:3804
203:5801 204:4397 205:2935 206:4138 207:3747 208:5193
209:4102 210:798 211:333 212:1119 213:708 216:4728
217:459 218:3
End of report
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