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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 10 Feb, 2001
Analysis Summary
----------------
BGP routing table entries examined: 100801
Origin ASes present in the Internet Routing Table: 9904
Origin ASes announcing only one prefix: 3529
Transit ASes present in the Internet Routing Table: 1327
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 18
Illegal AS announcements present in the Routing Table: 16
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 4
Number of addresses announced to Internet: 1207684277
Equivalent to 71 /8s, 251 /16s and 204 /24s
Percentage of available address space announced: 32.6
Percentage of allocated address space announced: 63.9
Percentage of available address space allocated: 51.0
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 15718
Prefixes being announced from the APNIC address blocks: 14053
APNIC Region origin ASes present in the Internet Routing Table: 1142
APNIC Region origin ASes announcing only one prefix: 413
APNIC Region transit ASes present in the Internet Routing Table: 187
Average APNIC Region AS path length visible: 5.0
Max APNIC Region AS path length visible: 13
Number of APNIC addresses announced to Internet: 69680322
Equivalent to 4 /8s, 39 /16s and 60 /24s
Percentage of available APNIC address space announced: 68.5
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: 69708
Prefixes being announced from the ARIN address blocks: 47375
ARIN Region origin ASes present in the Internet Routing Table: 6044
ARIN Region origin ASes announcing only one prefix: 1760
ARIN Region transit ASes present in the Internet Routing Table: 637
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 13
Number of ARIN addresses announced to Internet: 176482293
Equivalent to 10 /8s, 132 /16s and 231 /24s
Percentage of available ARIN address space announced: 80.9
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
ARIN Address Blocks 63/8, 64/7, 66/8, 199/8, 200/8, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 15359
Prefixes being announced from the RIPE address blocks: 12120
RIPE Region origin ASes present in the Internet Routing Table: 2717
RIPE Region origin ASes announcing only one prefix: 1354
RIPE Region transit ASes present in the Internet Routing Table: 502
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 89677659
Equivalent to 5 /8s, 88 /16s and 95 /24s
Percentage of available RIPE address space announced: 76.4
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
RIPE Address Blocks 62/8, 193/8, 194/7, 212/7 and 217/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /19 equiv Description
1221 2438 1191 Telstra
2764 435 140 connect.com.au pty ltd
703 417 246 UUNET Technologies, Inc.
2907 366 892 SINET Japan
4755 316 112 VSNL India
7657 216 12 The Internet Group Limited
4618 208 56 Internet Thailand
7545 205 7 TPG Internet Pty Ltd
4740 204 13 Ozemail
9269 201 23 Hong Kong CTI
4538 199 972 China Education and Research
4763 191 44 Telstra New Zealand
7474 190 87 Optus Communications
4134 171 535 Data Communications Bureau
4766 170 619 KORnet Powered BY Korea Telec
3462 136 205 Data Communications Institute
7586 135 10 Paradox Digital Pty. Ltd
7496 130 10 Power Up
7539 129 83 Delegated to TWNIC for subseq
4786 128 7 NetConnect Communications Pty
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /19 equiv Description
3301 391 314 TeliaNet Sweden
702 386 589 UUNET Technologies, Inc.
1257 320 240 Swipnet AB
1270 270 433 UUNET Germany
3215 207 182 RAIN
680 194 856 Deutschef Forschurgsnetz
719 191 146 LANLINK
786 183 952 JANET IP Service
5515 172 326 Sonera Finland
3320 167 462 Deutsche Telekom AG
1849 153 271 UUNET UK (formerly PIPEX)
1942 140 53 GIP Renater
2856 140 394 BTnet UK Regional network
517 133 137 Xlink
3303 128 277 Swisscom
5400 109 31 Concert Internet Plus Europea
1901 104 77 EUnet Austria
1267 99 986 IUnet S.p.A
2830 85 30 UUNET UK (formerly PIPEX)
3269 85 267 TELECOM ITALIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /19 equiv Description
701 2620 3567 UUNET Technologies, Inc.
1 996 4564 BBN Planet
7018 910 3016 AT&T
7046 741 551 UUNET Technologies, Inc.
1239 694 1580 Sprint ICM-Inria
705 632 38 UUNET Technologies, Inc.
2914 615 1272 Verio, Inc.
174 600 2806 PSINet Inc.
3561 577 1316 Cable & Wireless USA
3549 538 442 Frontier GlobalCenter
8013 520 64 PSINet Ltd. Canada
2551 501 345 NETCOM On-Line Communication
4293 467 57 Cable & Wireless USA
209 437 649 Qwest
271 434 271 BCnet Backbone
2548 398 523 Digital Express Group, Inc.
3908 392 280 Supernet, Inc.
6082 357 63 Management Analysis, Incorpor
8151 355 192 UniNet S.A. de C.V.
11371 324 49 Rhythms NetConnections
Global Per AS prefix count summary
----------------------------------
ASN No of nets /19 equiv Description
701 2620 3567 UUNET Technologies, Inc.
1221 2438 1191 Telstra
1 996 4564 BBN Planet
7018 910 3016 AT&T
7046 741 551 UUNET Technologies, Inc.
1239 694 1580 Sprint ICM-Inria
705 632 38 UUNET Technologies, Inc.
2914 615 1272 Verio, Inc.
174 600 2806 PSINet Inc.
3561 577 1316 Cable & Wireless USA
3549 538 442 Frontier GlobalCenter
8013 520 64 PSINet Ltd. Canada
2551 501 345 NETCOM On-Line Communication
4293 467 57 Cable & Wireless USA
209 437 649 Qwest
2764 435 140 connect.com.au pty ltd
271 434 271 BCnet Backbone
703 417 246 UUNET Technologies, Inc.
2548 398 523 Digital Express Group, Inc.
3908 392 280 Supernet, Inc.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
2027 UNALLOCATED 150.185.0.0/16 10530 Interpacket Group, I
2027 UNALLOCATED 150.185.128.0/18 8143 Publicom Corp.
2027 UNALLOCATED 150.186.0.0/16 10530 Interpacket Group, I
2027 UNALLOCATED 150.187.0.0/16 10530 Interpacket Group, I
2027 UNALLOCATED 150.188.0.0/16 10530 Interpacket Group, I
2027 UNALLOCATED 150.189.0.0/16 10530 Interpacket Group, I
61512 RESERVED 170.224.16.0/20 17232 Enhanced Network Ser
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
5757 UNALLOCATED 192.239.13.0/24 701 UUNET Technologies,
64526 PRIVATE 202.37.160.0/24 4768 Clear Communications
17411 UNALLOCATED 202.137.32.0/21 703 UUNET Technologies,
65500 PRIVATE 203.166.86.0/24 10084 Western Australian I
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
Advertised IANA Reserved Addresses
----------------------------------
Network Origin AS Description
39.96.40.224/30 14408 iCAIR
50.198.0.0/16 2548 Digital Express Group, Inc.
91.16.23.0/24 11770 Net56
103.22.7.0/24 9768 PubNet (Korea Telecom)
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:21 /9:4 /10:5 /11:10 /12:32
/13:61 /14:196 /15:306 /16:6859 /17:1038 /18:2042
/19:6339 /20:4644 /21:4316 /22:6521 /23:8478 /24:58541
/25:276 /26:345 /27:133 /28:104 /29:103 /30:294
/31:0 /32:133
Number of /24s announced per /8 block (Global)
----------------------------------------------
9:3 12:308 13:10 15:1 24:654 26:1
32:7 38:9 44:3 53:2 55:1 57:8
61:40 62:112 63:1671 64:1280 65:60 66:112
91:1 103:1 128:33 129:237 130:20 131:31
132:10 133:3 134:104 135:8 136:118 137:144
138:191 139:53 140:109 141:43 142:56 143:38
144:188 145:7 146:132 147:54 148:118 149:116
150:24 151:330 152:967 153:35 154:76 155:72
156:15 157:108 158:56 159:60 160:16 161:57
162:60 163:129 164:108 165:104 166:174 167:87
168:75 169:30 170:202 171:2 192:5408 193:1820
194:1997 195:770 196:394 198:3752 199:3455 200:1819
202:2410 203:5255 204:3631 205:2490 206:2786 207:2940
208:2906 209:3385 210:388 211:138 212:803 213:295
214:9 215:11 216:2691 217:104
End of report
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