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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 18 Jul, 2001
Analysis Summary
----------------
BGP routing table entries examined: 104682
Origin ASes present in the Internet Routing Table: 11310
Origin ASes announcing only one prefix: 4145
Transit ASes present in the Internet Routing Table: 1509
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: 16
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 16
Number of addresses announced to Internet: 1241475693
Equivalent to 73 /8s, 255 /16s and 106 /24s
Percentage of available address space announced: 33.5
Percentage of allocated address space announced: 65.1
Percentage of available address space allocated: 51.5
Total number of prefixes smaller than registry allocations: 71158
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 15563
Prefixes being announced from the APNIC address blocks: 14014
APNIC Region origin ASes present in the Internet Routing Table: 1326
APNIC Region origin ASes announcing only one prefix: 462
APNIC Region transit ASes present in the Internet Routing Table: 222
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 74023782
Equivalent to 4 /8s, 105 /16s and 131 /24s
Percentage of available APNIC address space announced: 72.8
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: 71700
Prefixes being announced from the ARIN address blocks: 51689
ARIN Region origin ASes present in the Internet Routing Table: 6808
ARIN Region origin ASes announcing only one prefix: 2008
ARIN Region transit ASes present in the Internet Routing Table: 706
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 14
Number of ARIN addresses announced to Internet: 201246784
Equivalent to 11 /8s, 254 /16s and 200 /24s
Percentage of available ARIN address space announced: 80.0
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: 17417
Prefixes being announced from the RIPE address blocks: 13477
RIPE Region origin ASes present in the Internet Routing Table: 3185
RIPE Region origin ASes announcing only one prefix: 1675
RIPE Region transit ASes present in the Internet Routing Table: 582
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 101424851
Equivalent to 6 /8s, 11 /16s and 158 /24s
Percentage of available RIPE address space announced: 67.2
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 1678 1347 Telstra
2764 429 345 connect.com.au pty ltd
703 401 383 UUNET Technologies, Inc.
2907 367 1783 SINET Japan
4755 297 166 VSNL India
7474 241 293 Optus Communications
4134 233 1609 Data Communications Bureau
7539 209 175 TANet2, sponsored by NSC, TAI
4766 176 1336 KORnet Powered BY Korea Telec
7545 146 21 TPG Internet Pty Ltd
9443 139 39 INTERNETPRIMUS-AS-A
4786 130 17 NetConnect Communications Pty
4763 118 69 Telstra New Zealand
17561 115 151 Internet service provision to
9583 114 60 Satyam Infoway Ltd.,
7657 113 22 The Internet Group Limited
7586 112 17 Paradox Digital Pty. Ltd
4740 109 15 Ozemail
4713 108 877 NTT-OCNET
4812 106 259 Shanghai Telecom Company
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 682 1847 UUNET Technologies, Inc.
3301 430 918 TeliaNet Sweden
15870 422 12 Global Center Frankfurt
1257 280 504 Swipnet AB
1270 245 868 UUNET Germany
680 232 2069 Deutschef Forschurgsnetz
3215 220 495 RAIN
15878 206 8 Global Center Paris
719 187 291 LANLINK
786 184 1890 JANET IP Service
5515 174 654 Sonera Finland
3320 170 1410 Deutsche Telekom AG
8708 148 15 Romania Data System
5400 139 68 Concert Internet Plus Europea
3303 130 575 Swisscom
517 125 272 Xlink
2856 123 776 BTnet UK Regional network
5549 117 66 Seicom Computer Gmb
8503 109 3 PCNET - PCNET DATA Network
1267 106 1985 IUnet S.p.A
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2323 8344 UUNET Technologies, Inc.
7018 972 7036 AT&T
1 905 8714 BBN Planet
7046 744 1056 UUNET Technologies, Inc.
1239 679 3327 Sprint ICM-Inria
690 526 94 Merit Network
2914 521 2318 Verio, Inc.
4293 491 99 Cable & Wireless USA
209 490 1875 Qwest
3561 433 2450 Cable & Wireless USA
2149 418 378 Performance Systems, Inc.
3908 417 583 Supernet, Inc.
2548 415 1012 Digital Express Group, Inc.
18994 400 10 Global Crossing
3549 348 813 Global Crossing
11371 335 100 Rhythms NetConnections
4323 334 298 Time Warner Communications, I
3967 329 448 Exodus Communication
15290 323 342 AT&T Canada IES
6347 314 361 SAVVIS Communications Corpora
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2323 8344 UUNET Technologies, Inc.
1221 1678 1347 Telstra
7018 972 7036 AT&T
1 905 8714 BBN Planet
7046 744 1056 UUNET Technologies, Inc.
702 682 1847 UUNET Technologies, Inc.
1239 679 3327 Sprint ICM-Inria
690 526 94 Merit Network
2914 521 2318 Verio, Inc.
4293 491 99 Cable & Wireless USA
209 490 1875 Qwest
3561 433 2450 Cable & Wireless USA
3301 430 918 TeliaNet Sweden
2764 429 345 connect.com.au pty ltd
15870 422 12 Global Center Frankfurt
2149 418 378 Performance Systems, Inc.
3908 417 583 Supernet, Inc.
2548 415 1012 Digital Express Group, Inc.
703 401 383 UUNET Technologies, Inc.
18994 400 10 Global Crossing
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
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
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
5757 UNALLOCATED 192.239.13.0/24 701 UUNET Technologies,
4834 UNALLOCATED 202.74.192.0/20 4648 NZIX 2
17657 UNALLOCATED 202.161.160.0/20 9653 AGNS HongKong NET
4831 UNALLOCATED 202.172.32.0/20 9740 Cable & Wireless Net
19551 UNALLOCATED 204.229.224.0/22 6226 US West Communicatio
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
65515 PRIVATE 212.110.142.0/24 5593 CRIS-AS
Advertised Unregistered Addresses
---------------------------------
Network Origin AS Description
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
/13:80 /14:215 /15:356 /16:6903 /17:1191 /18:2234
/19:6752 /20:5412 /21:4534 /22:6816 /23:8658 /24:59143
/25:291 /26:362 /27:437 /28:444 /29:366 /30:340
/31:1 /32:75
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
1221 1523 1678 Telstra
701 1456 2323 UUNET Technologies, Inc.
7046 582 744 UUNET Technologies, Inc.
690 522 526 Merit Network
7018 489 972 AT&T
4293 475 491 Cable & Wireless USA
702 430 682 UUNET Technologies, Inc.
1 426 905 BBN Planet
15870 418 422 Global Center Frankfurt
18994 398 400 Global Crossing
2764 385 429 connect.com.au pty ltd
209 367 490 Qwest
1239 361 679 Sprint ICM-Inria
703 331 401 UUNET Technologies, Inc.
11371 322 335 Rhythms NetConnections
3908 316 417 Supernet, Inc.
18993 308 312 Global Crossing
2548 304 415 Digital Express Group, Inc.
4323 287 334 Time Warner Communications, I
8013 278 308 PSINet Ltd. Canada
Advertised prefixes smaller than registry allocations (per /8 block)
--------------------------------------------------------------------
4:1 6:12 9:6 12:579 13:13 15:11
17:13 20:6 24:847 26:1 32:42 38:9
40:2 43:4 44:11 45:1 47:40 52:2
53:4 55:1 56:5 57:15 61:127 62:198
63:2513 64:2736 65:1001 66:756 80:43 128:61
129:195 130:56 131:66 132:41 133:1 134:234
135:12 136:36 137:178 138:233 139:86 140:255
141:225 142:122 143:98 144:200 145:32 146:198
147:180 148:235 149:124 150:62 151:263 152:1005
153:40 154:25 155:144 156:92 157:156 158:111
159:82 160:85 161:146 162:160 163:221 164:170
165:248 166:260 167:160 168:202 169:54 170:449
171:20 172:1 192:32 193:2604 194:2759 195:1078
196:3 198:6 199:3878 200:2775 202:3785 203:5762
204:4369 205:2910 206:4110 207:3623 208:5200 209:4111
210:778 211:297 212:1162 213:693 216:4767 217:432
218:3
End of report
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