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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 06 Sep, 2001
Analysis Summary
----------------
BGP routing table entries examined: 106620
Origin ASes present in the Internet Routing Table: 11589
Origin ASes announcing only one prefix: 4232
Transit ASes present in the Internet Routing Table: 1505
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: 53
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: 1233175840
Equivalent to 73 /8s, 128 /16s and 197 /24s
Percentage of available address space announced: 33.3
Percentage of allocated address space announced: 64.1
Percentage of available address space allocated: 51.9
Total number of prefixes smaller than registry allocations: 72539
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16185
Prefixes being announced from the APNIC address blocks: 14568
APNIC Region origin ASes present in the Internet Routing Table: 1361
APNIC Region origin ASes announcing only one prefix: 452
APNIC Region transit ASes present in the Internet Routing Table: 230
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 77843450
Equivalent to 4 /8s, 163 /16s and 203 /24s
Percentage of available APNIC address space announced: 76.5
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: 72976
Prefixes being announced from the ARIN address blocks: 52477
ARIN Region origin ASes present in the Internet Routing Table: 6976
ARIN Region origin ASes announcing only one prefix: 2062
ARIN Region transit ASes present in the Internet Routing Table: 699
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 208571203
Equivalent to 12 /8s, 110 /16s and 139 /24s
Percentage of available ARIN address space announced: 77.7
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, 68/8, 199/8, 200/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 17451
Prefixes being announced from the RIPE address blocks: 13849
RIPE Region origin ASes present in the Internet Routing Table: 3264
RIPE Region origin ASes announcing only one prefix: 1718
RIPE Region transit ASes present in the Internet Routing Table: 578
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 106797083
Equivalent to 6 /8s, 93 /16s and 152 /24s
Percentage of available RIPE address space announced: 70.7
RIPE AS Blocks 1877 - 1901, 2043, 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 1618 1315 Telstra Pty Ltd
2764 430 378 connect.com.au pty ltd
703 428 383 UUNET Technologies, Inc.
2907 334 1711 SINET Japan
4755 291 160 Videsh Sanchar Nigam Ltd. Aut
4766 255 1319 Korea Internet Exchange for "
4134 245 1785 Data Communications Bureau
7474 239 289 Optus Communications Pty Ltd
7539 206 184 TANet2, sponsored by NSC, TAI
4740 188 22 OzEmail ISP
7545 145 25 TPG Internet Pty Ltd
9443 143 39 Primus Telecommunications
4786 130 17 NetConnect Communications Pty
9583 124 62 Satyam Infoway Ltd.,
4763 120 69 Telstra New Zealand
17561 116 167 Internet service provision to
4713 115 868 NTT Communications Corporatio
4808 108 192 CHINANET core WAN North
4812 108 277 China Telecom (Group)
17557 108 7 Pakistan Telecom
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 733 1786 UUNET Technologies, Inc.
3301 434 918 TeliaNet Sweden
1257 279 522 SWIPnet Swedish IP Network
680 235 2292 DFN-IP service G-WiN
3215 223 512 France Telecom / &Equant
1270 198 808 UUNET Germany
5515 194 688 Sonera Finland Autonomous Sys
3320 185 1940 Deutsche Telekom AG
786 184 1890 The JANET IP Service
719 180 291 LANLINK autonomous system
15870 180 11 Global Center Frankfurt
5603 167 53 SiOL Internet d.o.o.
8708 156 21 Romania Data Systems S.A.
15878 143 12 Global Center Paris
5400 134 64 Concert European Core Network
3303 132 576 Swisscom Ltd
2856 125 774 BTnet UK Regional network
5549 124 66 Nextra Deutschland GmbH + Co.
517 115 269 KPNQwest Germany GmbH
1267 104 1990 Infostrada S.p.A.
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2262 8204 UUNET Technologies, Inc.
7018 1036 7259 AT&T
3908 878 628 Supernet, Inc.
1 875 8629 BBN Planet
7046 799 1007 UUNET Technologies, Inc.
1239 725 3284 Sprint
3967 603 471 Exodus Communication
209 523 2200 Qwest
690 510 97 Merit Network
2914 497 2276 Verio, Inc.
4293 476 114 Cable & Wireless USA
3561 415 2344 Cable & Wireless USA
2548 384 982 Business Internet, Inc.
2149 370 311 Performance Systems, Inc.
3549 366 835 Global Crossing
577 363 634 Bell Advanced Communications
4323 351 343 Time Warner Communications, I
15290 344 338 AT&T Canada IES
6347 333 360 SAVVIS Communications Corpora
4151 330 1233 USDA
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2262 8204 UUNET Technologies, Inc.
1221 1618 1315 Telstra Pty Ltd
7018 1036 7259 AT&T
3908 878 628 Supernet, Inc.
1 875 8629 BBN Planet
7046 799 1007 UUNET Technologies, Inc.
702 733 1786 UUNET Technologies, Inc.
1239 725 3284 Sprint
3967 603 471 Exodus Communication
209 523 2200 Qwest
690 510 97 Merit Network
2914 497 2276 Verio, Inc.
4293 476 114 Cable & Wireless USA
3301 434 918 TeliaNet Sweden
2764 430 378 connect.com.au pty ltd
703 428 383 UUNET Technologies, Inc.
3561 415 2344 Cable & Wireless USA
2548 384 982 Business Internet, Inc.
2149 370 311 Performance Systems, Inc.
3549 366 835 Global Crossing
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65534 PRIVATE 62.23.176.0/24 6675 Colt Telecommunicati
65534 PRIVATE 62.23.177.0/24 6675 Colt Telecommunicati
6971 UNALLOCATED 64.42.0.0/18 2516 Kokusai Denshin Denw
6971 UNALLOCATED 64.42.0.0/17 2516 Kokusai Denshin Denw
6971 UNALLOCATED 64.42.40.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.48.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.60.0/22 2914 Verio, Inc.
6971 UNALLOCATED 64.42.72.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.108.0/22 2914 Verio, Inc.
6971 UNALLOCATED 64.42.112.0/20 2914 Verio, Inc.
6971 UNALLOCATED 64.87.64.0/19 2516 Kokusai Denshin Denw
578 UNALLOCATED 64.230.242.16/28 577 Bell Advanced Commun
22091 UNALLOCATED 65.113.20.0/24 209 Qwest
22195 UNALLOCATED 65.116.137.0/24 209 Qwest
22116 UNALLOCATED 65.209.83.0/24 701 UUNET Technologies,
65000 PRIVATE 138.163.4.0/24 665 Department of Navy
2027 UNALLOCATED 150.185.128.0/18 8143 Publicom Corp.
6971 UNALLOCATED 192.103.229.0/24 2516 Kokusai Denshin Denw
6971 UNALLOCATED 192.103.230.0/23 2516 Kokusai Denshin Denw
6971 UNALLOCATED 192.103.232.0/22 2516 Kokusai Denshin Denw
6971 UNALLOCATED 192.103.236.0/23 2516 Kokusai Denshin Denw
6971 UNALLOCATED 192.103.237.0/24 2516 Kokusai Denshin Denw
1877 UNALLOCATED 192.108.201.0/24 1880 Stupi, house man's p
65460 PRIVATE 192.231.11.0/24 7018 AT&T
6971 UNALLOCATED 199.249.223.0/24 2516 Kokusai Denshin Denw
65534 PRIVATE 200.40.20.0/24 6057 Av. Fernandez Crespo
65534 PRIVATE 200.40.23.0/24 6057 Av. Fernandez Crespo
64550 PRIVATE 203.161.39.0/24 17802 Internet AccessFor Q
22284 UNALLOCATED 205.173.0.0/22 701 UUNET Technologies,
22284 UNALLOCATED 205.173.7.0/24 701 UUNET Technologies,
6971 UNALLOCATED 206.58.248.0/22 2516 Kokusai Denshin Denw
6971 UNALLOCATED 206.58.248.0/21 2516 Kokusai Denshin Denw
6971 UNALLOCATED 206.58.252.0/23 2914 Verio, Inc.
6971 UNALLOCATED 206.58.254.0/23 2914 Verio, Inc.
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
22257 UNALLOCATED 207.176.8.0/21 3491 CAIS Internet
22091 UNALLOCATED 208.46.178.0/24 209 Qwest
22195 UNALLOCATED 208.252.244.0/24 209 Qwest
22259 UNALLOCATED 208.254.175.0/24 701 UUNET Technologies,
65515 PRIVATE 212.110.142.0/24 5593 CRIS-AS
6971 UNALLOCATED 216.105.192.0/20 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.121.224.0/19 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.174.192.0/21 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.174.192.0/18 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.174.200.0/23 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.174.202.0/23 2914 Verio, Inc.
6971 UNALLOCATED 216.174.204.0/22 2914 Verio, Inc.
6971 UNALLOCATED 216.174.208.0/20 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.174.232.0/21 2914 Verio, Inc.
6971 UNALLOCATED 216.174.240.0/22 2914 Verio, Inc.
6971 UNALLOCATED 216.210.128.0/18 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.210.128.0/17 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.229.96.0/20 2516 Kokusai Denshin Denw
Advertised Unregistered Addresses
---------------------------------
Network Origin AS Description
82.105.0.0/16 3269 TELECOM ITALIA
82.105.128.0/17 3269 TELECOM ITALIA
128.65.0.0/16 3463 ACES Research Inc
132.0.0.0/10 568 DISO-UNRRA
134.137.0.0/16 400 Headquarters Standard Systems
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
160.89.0.0/16 1800 SPRINT
164.233.0.0/16 6020 DISA NETWORK SERVICES
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 /8:18 /9:5 /10:6 /11:12 /12:32
/13:85 /14:226 /15:381 /16:6961 /17:1231 /18:2326
/19:6910 /20:5752 /21:4698 /22:6924 /23:8805 /24:60541
/25:332 /26:353 /27:302 /28:282 /29:165 /30:194
/31:1 /32:78
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
1221 1469 1618 Telstra Pty Ltd
701 1426 2262 UUNET Technologies, Inc.
3908 729 878 Supernet, Inc.
7046 623 799 UUNET Technologies, Inc.
7018 532 1036 AT&T
690 506 510 Merit Network
702 476 733 UUNET Technologies, Inc.
4293 459 476 Cable & Wireless USA
3967 423 603 Exodus Communication
1 414 875 BBN Planet
1239 400 725 Sprint
2764 383 430 connect.com.au pty ltd
209 364 523 Qwest
703 356 428 UUNET Technologies, Inc.
11371 306 319 Rhythms NetConnections
4323 294 351 Time Warner Communications, I
4151 288 330 USDA
2548 278 384 Business Internet, Inc.
705 275 317 UUNET Technologies, Inc.
6995 275 289 Bell Atlantic Internet Soluti
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:1 9:1 12:408 13:10 15:1 17:6
20:1 24:778 26:1 32:70 38:8 43:3
44:2 53:2 55:1 57:15 61:70 62:134
63:1900 64:1332 65:653 66:463 80:41 128:47
129:115 130:15 131:42 132:12 133:1 134:151
135:9 136:22 137:93 138:203 139:46 140:196
141:161 142:63 143:39 144:140 145:11 146:145
147:130 148:229 149:89 150:36 151:210 152:387
153:31 154:21 155:80 156:84 157:114 158:72
159:66 160:44 161:59 162:67 163:143 164:108
165:96 166:187 167:140 168:117 169:36 170:286
171:2 192:5440 193:2053 194:2052 195:827 196:412
198:3676 199:3279 200:2493 201:1 202:2697 203:4631
204:3316 205:2242 206:2858 207:2578 208:3088 209:3196
210:528 211:128 212:826 213:505 214:8 215:13
216:3057 217:389 218:2
End of report
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