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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 04 Sep, 2001
Analysis Summary
----------------
BGP routing table entries examined: 106389
Origin ASes present in the Internet Routing Table: 11587
Origin ASes announcing only one prefix: 4236
Transit ASes present in the Internet Routing Table: 1508
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 23
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: 15
Number of addresses announced to Internet: 1215216572
Equivalent to 72 /8s, 110 /16s and 187 /24s
Percentage of available address space announced: 32.8
Percentage of allocated address space announced: 63.1
Percentage of available address space allocated: 51.9
Total number of prefixes smaller than registry allocations: 72341
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16162
Prefixes being announced from the APNIC address blocks: 14544
APNIC Region origin ASes present in the Internet Routing Table: 1360
APNIC Region origin ASes announcing only one prefix: 455
APNIC Region transit ASes present in the Internet Routing Table: 223
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 77676912
Equivalent to 4 /8s, 161 /16s and 65 /24s
Percentage of available APNIC address space announced: 76.4
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: 73024
Prefixes being announced from the ARIN address blocks: 52517
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: 706
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 23
Number of ARIN addresses announced to Internet: 207839316
Equivalent to 12 /8s, 99 /16s and 96 /24s
Percentage of available ARIN address space announced: 77.4
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: 17195
Prefixes being announced from the RIPE address blocks: 13607
RIPE Region origin ASes present in the Internet Routing Table: 3263
RIPE Region origin ASes announcing only one prefix: 1719
RIPE Region transit ASes present in the Internet Routing Table: 581
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 106382363
Equivalent to 6 /8s, 87 /16s and 68 /24s
Percentage of available RIPE address space announced: 70.5
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 1622 1317 Telstra Pty Ltd
2764 430 378 connect.com.au pty ltd
703 426 370 UUNET Technologies, Inc.
2907 368 1816 SINET Japan
4755 293 162 Videsh Sanchar Nigam Ltd. Aut
4766 255 1319 Korea Internet Exchange for "
4134 243 1761 Data Communications Bureau
7474 236 289 Optus Communications Pty Ltd
7539 210 191 TANet2, sponsored by NSC, TAI
4740 190 22 OzEmail ISP
7545 145 25 TPG Internet Pty Ltd
9443 143 39 Primus Telecommunications
4786 130 17 NetConnect Communications Pty
9583 122 54 Satyam Infoway Ltd.,
4763 120 69 Telstra New Zealand
17561 116 167 Internet service provision to
4713 115 868 NTT Communications Corporatio
17557 109 7 Pakistan Telecom
4812 108 277 China Telecom (Group)
7586 108 17 Paradox Digital Pty Ltd
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 720 1783 UUNET Technologies, Inc.
3301 434 918 TeliaNet Sweden
1257 278 522 SWIPnet Swedish IP Network
680 233 2261 DFN-IP service G-WiN
3215 223 512 France Telecom / &Equant
1270 205 810 UUNET Germany
5515 194 688 Sonera Finland Autonomous Sys
786 183 1888 The JANET IP Service
3320 182 1940 Deutsche Telekom AG
719 180 291 LANLINK autonomous system
15870 180 11 Global Center Frankfurt
8708 152 19 Romania Data Systems S.A.
15878 143 12 Global Center Paris
5400 136 66 Concert European Core Network
3303 132 576 Swisscom Ltd
2856 125 774 BTnet UK Regional network
5549 125 66 Nextra Deutschland GmbH + Co.
517 115 269 KPNQwest Germany GmbH
1267 103 1989 Infostrada S.p.A.
3269 101 801 TELECOM ITALIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2256 8188 UUNET Technologies, Inc.
7018 1038 7148 AT&T
3908 902 633 Supernet, Inc.
1 877 8651 BBN Planet
7046 792 1007 UUNET Technologies, Inc.
1239 727 3283 Sprint
3967 601 471 Exodus Communication
690 524 82 Merit Network
209 497 2135 Qwest
2914 497 2275 Verio, Inc.
4293 473 114 Cable & Wireless USA
3561 424 2377 Cable & Wireless USA
2548 384 982 Business Internet, Inc.
2149 372 311 Performance Systems, Inc.
3549 367 835 Global Crossing
577 364 634 Bell Advanced Communications
4323 351 343 Time Warner Communications, I
15290 344 338 AT&T Canada IES
4151 332 1234 USDA
6347 330 359 SAVVIS Communications Corpora
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2256 8188 UUNET Technologies, Inc.
1221 1622 1317 Telstra Pty Ltd
7018 1038 7148 AT&T
3908 902 633 Supernet, Inc.
1 877 8651 BBN Planet
7046 792 1007 UUNET Technologies, Inc.
1239 727 3283 Sprint
702 720 1783 UUNET Technologies, Inc.
3967 601 471 Exodus Communication
690 524 82 Merit Network
209 497 2135 Qwest
2914 497 2275 Verio, Inc.
4293 473 114 Cable & Wireless USA
3301 434 918 TeliaNet Sweden
2764 430 378 connect.com.au pty ltd
703 426 370 UUNET Technologies, Inc.
3561 424 2377 Cable & Wireless USA
2548 384 982 Business Internet, Inc.
2149 372 311 Performance Systems, Inc.
2907 368 1816 SINET Japan
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
65002 PRIVATE 193.77.3.0/24 5603 SiOL Internet d.o.o.
6971 UNALLOCATED 199.249.223.0/24 2516 Kokusai Denshin Denw
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,
65000 PRIVATE 212.30.88.0/24 5603 SiOL Internet d.o.o.
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
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 /8:17 /9:5 /10:6 /11:12 /12:32
/13:84 /14:226 /15:380 /16:6962 /17:1221 /18:2323
/19:6906 /20:5732 /21:4680 /22:6905 /23:8789 /24:60401
/25:330 /26:350 /27:305 /28:281 /29:164 /30:199
/31:1 /32:78
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
1221 1473 1622 Telstra Pty Ltd
701 1424 2256 UUNET Technologies, Inc.
3908 750 902 Supernet, Inc.
7046 616 792 UUNET Technologies, Inc.
7018 532 1038 AT&T
690 521 524 Merit Network
702 467 720 UUNET Technologies, Inc.
4293 456 473 Cable & Wireless USA
3967 422 601 Exodus Communication
1 411 877 BBN Planet
1239 405 727 Sprint
2764 383 430 connect.com.au pty ltd
703 355 426 UUNET Technologies, Inc.
209 350 497 Qwest
11371 306 319 Rhythms NetConnections
4323 294 351 Time Warner Communications, I
4151 290 332 USDA
2548 278 384 Business Internet, Inc.
6995 275 289 Bell Atlantic Internet Soluti
705 274 316 UUNET Technologies, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:2 9:1 12:413 13:10 15:1 17:6
20:1 24:766 26:1 32:70 38:8 43:3
44:2 53:2 55:1 57:15 61:68 62:137
63:1901 64:1331 65:645 66:458 80:39 128:47
129:114 130:17 131:42 132:12 133:1 134:151
135:8 136:21 137:93 138:203 139:46 140:196
141:160 142:62 143:39 144:140 145:11 146:145
147:130 148:229 149:89 150:36 151:209 152:394
153:31 154:23 155:79 156:82 157:117 158:72
159:66 160:44 161:59 162:67 163:141 164:108
165:90 166:187 167:138 168:117 169:36 170:284
171:2 192:5447 193:1940 194:2032 195:827 196:416
198:3664 199:3293 200:2513 201:1 202:2713 203:4619
204:3323 205:2244 206:2857 207:2587 208:3076 209:3224
210:529 211:129 212:817 213:450 214:8 215:13
216:3072 217:386 218:2
End of report
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