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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 03 Sep, 2001
Analysis Summary
----------------
BGP routing table entries examined: 106391
Origin ASes present in the Internet Routing Table: 11574
Origin ASes announcing only one prefix: 4238
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: 56
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: 1214880812
Equivalent to 72 /8s, 105 /16s and 156 /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: 72363
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16093
Prefixes being announced from the APNIC address blocks: 14487
APNIC Region origin ASes present in the Internet Routing Table: 1358
APNIC Region origin ASes announcing only one prefix: 454
APNIC Region transit ASes present in the Internet Routing Table: 226
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 77739104
Equivalent to 4 /8s, 162 /16s and 52 /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: 73065
Prefixes being announced from the ARIN address blocks: 52498
ARIN Region origin ASes present in the Internet Routing Table: 6968
ARIN Region origin ASes announcing only one prefix: 2063
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: 23
Number of ARIN addresses announced to Internet: 207786612
Equivalent to 12 /8s, 98 /16s and 146 /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: 17226
Prefixes being announced from the RIPE address blocks: 13634
RIPE Region origin ASes present in the Internet Routing Table: 3260
RIPE Region origin ASes announcing only one prefix: 1721
RIPE Region transit ASes present in the Internet Routing Table: 579
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 106372891
Equivalent to 6 /8s, 87 /16s and 31 /24s
Percentage of available RIPE address space announced: 70.4
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 1621 1317 Telstra Pty Ltd
703 429 378 UUNET Technologies, Inc.
2764 429 378 connect.com.au pty ltd
2907 368 1816 SINET Japan
4755 295 162 Videsh Sanchar Nigam Ltd. Aut
4134 240 1761 Data Communications Bureau
7474 236 289 Optus Communications Pty Ltd
7539 205 181 TANet2, sponsored by NSC, TAI
4740 191 22 OzEmail ISP
4766 176 1318 Korea Internet Exchange for "
7545 146 25 TPG Internet Pty Ltd
9443 143 39 Primus Telecommunications
4786 131 17 NetConnect Communications Pty
9583 123 62 Satyam Infoway Ltd.,
4763 120 69 Telstra New Zealand
17561 116 167 Internet service provision to
4713 115 868 NTT Communications Corporatio
4812 108 277 China Telecom (Group)
7586 108 17 Paradox Digital Pty Ltd
17557 107 7 Pakistan Telecom
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 719 1782 UUNET Technologies, Inc.
3301 432 917 TeliaNet Sweden
1257 278 522 SWIPnet Swedish IP Network
680 232 2261 DFN-IP service G-WiN
3215 221 512 France Telecom / &Equant
1270 207 826 UUNET Germany
5515 194 688 Sonera Finland Autonomous Sys
786 184 1890 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 124 66 Nextra Deutschland GmbH + Co.
517 116 269 KPNQwest Germany GmbH
1267 103 1989 Infostrada S.p.A.
3269 99 778 TELECOM ITALIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2253 8188 UUNET Technologies, Inc.
7018 1043 7180 AT&T
3908 907 730 Supernet, Inc.
1 877 8653 BBN Planet
7046 789 1006 UUNET Technologies, Inc.
1239 728 3284 Sprint
3967 601 471 Exodus Communication
690 524 82 Merit Network
2914 499 2275 Verio, Inc.
209 494 2135 Qwest
4293 473 114 Cable & Wireless USA
3561 423 2377 Cable & Wireless USA
2548 384 982 Business Internet, Inc.
2149 368 295 Performance Systems, Inc.
3549 367 835 Global Crossing
577 364 634 Bell Advanced Communications
4323 349 341 Time Warner Communications, I
15290 347 338 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 2253 8188 UUNET Technologies, Inc.
1221 1621 1317 Telstra Pty Ltd
7018 1043 7180 AT&T
3908 907 730 Supernet, Inc.
1 877 8653 BBN Planet
7046 789 1006 UUNET Technologies, Inc.
1239 728 3284 Sprint
702 719 1782 UUNET Technologies, Inc.
3967 601 471 Exodus Communication
690 524 82 Merit Network
2914 499 2275 Verio, Inc.
209 494 2135 Qwest
4293 473 114 Cable & Wireless USA
3301 432 917 TeliaNet Sweden
703 429 378 UUNET Technologies, Inc.
2764 429 378 connect.com.au pty ltd
3561 423 2377 Cable & Wireless USA
2548 384 982 Business Internet, Inc.
2149 368 295 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.
22284 UNALLOCATED 198.183.146.0/23 701 UUNET Technologies,
22284 UNALLOCATED 198.246.64.0/19 701 UUNET Technologies,
22284 UNALLOCATED 199.244.155.0/24 701 UUNET Technologies,
22284 UNALLOCATED 199.244.156.0/24 701 UUNET Technologies,
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 2828 Concentric Network C
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.
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 /16:6956 /17:1223 /18:2320
/19:6908 /20:5733 /21:4678 /22:6907 /23:8802 /24:60473
/25:330 /26:338 /27:264 /28:261 /29:158 /30:199
/31:1 /32:78
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
1221 1472 1621 Telstra Pty Ltd
701 1421 2253 UUNET Technologies, Inc.
3908 753 907 Supernet, Inc.
7046 614 789 UUNET Technologies, Inc.
7018 534 1043 AT&T
690 521 524 Merit Network
702 467 719 UUNET Technologies, Inc.
4293 456 473 Cable & Wireless USA
3967 422 601 Exodus Communication
1 409 877 BBN Planet
1239 407 728 Sprint
2764 382 429 connect.com.au pty ltd
703 357 429 UUNET Technologies, Inc.
209 347 494 Qwest
11371 306 319 Rhythms NetConnections
4323 294 349 Time Warner Communications, I
4151 290 332 USDA
2548 278 384 Business Internet, Inc.
6995 275 289 Bell Atlantic Internet Soluti
705 273 315 UUNET Technologies, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:2 9:1 12:412 13:10 15:1 17:6
20:1 24:768 26:1 32:70 38:8 43:4
44:2 53:2 55:1 57:15 61:68 62:137
63:1903 64:1341 65:644 66:457 80:36 128:46
129:114 130:17 131:42 132:12 133:1 134:151
135:8 136:22 137:142 138:203 139:46 140:194
141:160 142:62 143:39 144:140 145:11 146:145
147:130 148:231 149:89 150:36 151:209 152:394
153:31 154:23 155:79 156:82 157:119 158:72
159:66 160:46 161:59 162:67 163:154 164:108
165:90 166:187 167:132 168:117 169:36 170:285
171:2 192:5438 193:1941 194:2041 195:825 196:416
198:3660 199:3286 200:2513 201:1 202:2716 203:4622
204:3323 205:2243 206:2849 207:2587 208:3080 209:3218
210:530 211:128 212:817 213:465 214:7 215:13
216:3074 217:389 218:2
End of report
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