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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 22 Jul, 2001
Analysis Summary
----------------
BGP routing table entries examined: 104819
Origin ASes present in the Internet Routing Table: 11339
Origin ASes announcing only one prefix: 4156
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: 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: 1245403301
Equivalent to 74 /8s, 59 /16s and 88 /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: 71260
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 15572
Prefixes being announced from the APNIC address blocks: 14025
APNIC Region origin ASes present in the Internet Routing Table: 1328
APNIC Region origin ASes announcing only one prefix: 464
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: 74227758
Equivalent to 4 /8s, 108 /16s and 160 /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: 71878
Prefixes being announced from the ARIN address blocks: 51891
ARIN Region origin ASes present in the Internet Routing Table: 6822
ARIN Region origin ASes announcing only one prefix: 2007
ARIN Region transit ASes present in the Internet Routing Table: 704
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 13
Number of ARIN addresses announced to Internet: 201435208
Equivalent to 12 /8s, 1 /16s and 168 /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: 17364
Prefixes being announced from the RIPE address blocks: 13467
RIPE Region origin ASes present in the Internet Routing Table: 3203
RIPE Region origin ASes announcing only one prefix: 1685
RIPE Region transit ASes present in the Internet Routing Table: 581
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 101617593
Equivalent to 6 /8s, 14 /16s and 143 /24s
Percentage of available RIPE address space announced: 67.3
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
703 399 383 UUNET Technologies, Inc.
2907 368 1784 SINET Japan
4755 301 167 VSNL India
7474 242 292 Optus Communications
4134 231 1634 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
702 682 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 202 8 Global Center Paris
719 186 291 LANLINK
786 181 1874 JANET IP Service
3320 175 1395 Deutsche Telekom AG
5515 174 654 Sonera Finland
8708 151 15 Romania Data System
5400 139 66 Concert Internet Plus Europea
3303 131 575 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 2315 8319 UUNET Technologies, Inc.
7018 968 6962 AT&T
1 906 8700 BBN Planet
7046 751 1072 UUNET Technologies, Inc.
1239 689 3327 Sprint ICM-Inria
2914 518 2319 Verio, Inc.
690 514 93 Merit Network
4293 490 99 Cable & Wireless USA
209 476 1883 Qwest
3561 430 2450 Cable & Wireless USA
3908 415 583 Supernet, Inc.
2548 414 1010 Digital Express Group, 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 322 643 NETCOM On-Line Communication
15290 321 340 AT&T Canada IES
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2315 8319 UUNET Technologies, Inc.
1221 1677 1347 Telstra
7018 968 6962 AT&T
1 906 8700 BBN Planet
7046 751 1072 UUNET Technologies, Inc.
1239 689 3327 Sprint ICM-Inria
702 682 1846 UUNET Technologies, Inc.
2914 518 2319 Verio, Inc.
690 514 93 Merit Network
4293 490 99 Cable & Wireless USA
209 476 1883 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
3908 415 583 Supernet, Inc.
2548 414 1010 Digital Express Group, Inc.
2149 408 361 Performance Systems, Inc.
703 399 383 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
/13:83 /14:216 /15:357 /16:6913 /17:1187 /18:2244
/19:6756 /20:5451 /21:4539 /22:6818 /23:8653 /24:59234
/25:288 /26:361 /27:432 /28:442 /29:358 /30:338
/31:1 /32:75
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
1221 1522 1677 Telstra
701 1449 2315 UUNET Technologies, Inc.
7046 584 751 UUNET Technologies, Inc.
690 510 514 Merit Network
7018 494 968 AT&T
4293 474 490 Cable & Wireless USA
702 431 682 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 371 689 Sprint ICM-Inria
209 353 476 Qwest
703 329 399 UUNET Technologies, Inc.
11371 322 335 Rhythms NetConnections
3908 317 415 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 12:584 13:13 15:11
17:13 20:7 24:853 26:1 32:42 35:1
38:30 40:2 43:4 44:10 45:1 47:40
52:2 53:4 55:1 56:5 57:16 61:132
62:193 63:2513 64:2752 65:1011 66:794 80:45
128:61 129:182 130:54 131:67 132:39 133:1
134:237 135:11 136:36 137:143 138:233 139:86
140:251 141:225 142:109 143:96 144:200 145:31
146:198 147:179 148:244 149:124 150:63 151:262
152:968 153:40 154:28 155:138 156:92 157:155
158:114 159:82 160:88 161:145 162:162 163:239
164:165 165:251 166:261 167:151 168:218 169:54
170:449 171:20 172:1 192:32 193:2607 194:2762
195:1074 196:3 198:6 199:3895 200:2772 202:3703
203:5786 204:4380 205:2918 206:4171 207:3641 208:5229
209:4103 210:789 211:333 212:1120 213:713 216:4729
217:443 218:3
End of report
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