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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 14 Jun, 2001
Analysis Summary
----------------
BGP routing table entries examined: 106808
Origin ASes present in the Internet Routing Table: 11074
Origin ASes announcing only one prefix: 4035
Transit ASes present in the Internet Routing Table: 1459
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: 39
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 14
Number of addresses announced to Internet: 1253049716
Equivalent to 74 /8s, 176 /16s and 5 /24s
Percentage of available address space announced: 33.8
Percentage of allocated address space announced: 65.7
Percentage of available address space allocated: 51.5
Total number of prefixes smaller than registry allocations: 73494
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16005
Prefixes being announced from the APNIC address blocks: 14534
APNIC Region origin ASes present in the Internet Routing Table: 1281
APNIC Region origin ASes announcing only one prefix: 451
APNIC Region transit ASes present in the Internet Routing Table: 214
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 70920409
Equivalent to 4 /8s, 58 /16s and 40 /24s
Percentage of available APNIC address space announced: 69.7
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: 73834
Prefixes being announced from the ARIN address blocks: 52933
ARIN Region origin ASes present in the Internet Routing Table: 6722
ARIN Region origin ASes announcing only one prefix: 1988
ARIN Region transit ASes present in the Internet Routing Table: 689
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 200313022
Equivalent to 11 /8s, 240 /16s and 136 /24s
Percentage of available ARIN address space announced: 79.6
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: 16952
Prefixes being announced from the RIPE address blocks: 13032
RIPE Region origin ASes present in the Internet Routing Table: 3083
RIPE Region origin ASes announcing only one prefix: 1596
RIPE Region transit ASes present in the Internet Routing Table: 556
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 16
Number of RIPE addresses announced to Internet: 133603478
Equivalent to 7 /8s, 246 /16s and 160 /24s
Percentage of available RIPE address space announced: 88.5
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 1737 1347 Telstra
2764 912 366 connect.com.au pty ltd
2907 374 1800 SINET Japan
703 352 375 UUNET Technologies, Inc.
4755 348 225 VSNL India
7474 227 275 Optus Communications
4134 220 1439 Data Communications Bureau
7539 220 195 TANet2, sponsored by NSC, TAI
4766 174 1258 KORnet Powered BY Korea Telec
4740 157 21 Ozemail
7545 146 21 TPG Internet Pty Ltd
7657 146 25 The Internet Group Limited
9443 132 47 INTERNETPRIMUS-AS-A
4786 128 15 NetConnect Communications Pty
4763 117 85 Telstra New Zealand
9583 116 61 Satyam Infoway Ltd.,
17561 115 151 Internet service provision to
7586 112 17 Paradox Digital Pty. Ltd
4713 108 853 NTT-OCNET
9797 104 32 Asia Online Australia
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 658 1779 UUNET Technologies, Inc.
15870 437 7 Global Center Frankfurt
3301 411 917 TeliaNet Sweden
1257 282 502 Swipnet AB
1270 260 863 UUNET Germany
680 230 2055 Deutschef Forschurgsnetz
15878 216 8 Global Center Paris
3215 213 487 RAIN
719 186 291 LANLINK
786 185 1904 JANET IP Service
5515 175 654 Sonera Finland
3320 167 1410 Deutsche Telekom AG
8708 139 14 Romania Data System
5400 138 68 Concert Internet Plus Europea
3303 129 592 Swisscom
517 127 273 Xlink
2856 120 776 BTnet UK Regional network
1267 100 1956 IUnet S.p.A
1290 97 406 PSINet UK Ltd.
3269 92 664 TELECOM ITALIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2453 8043 UUNET Technologies, Inc.
705 1242 113 UUNET Technologies, Inc.
1 938 8842 BBN Planet
7018 904 6934 AT&T
7046 802 1098 UUNET Technologies, Inc.
3491 675 392 CAIS Internet
1239 652 3197 Sprint ICM-Inria
2914 553 2349 Verio, Inc.
3561 542 2404 Cable & Wireless USA
690 508 86 Merit Network
4293 495 101 Cable & Wireless USA
209 467 1838 Qwest
18994 467 10 Global Crossing
2548 419 998 Digital Express Group, Inc.
2149 406 440 Performance Systems, Inc.
3908 398 533 Supernet, Inc.
5106 354 137 Ameritech Advanced Data Servi
3549 338 1063 Global Crossing
3967 338 456 Exodus Communication
11371 337 100 Rhythms NetConnections
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2453 8043 UUNET Technologies, Inc.
1221 1737 1347 Telstra
705 1242 113 UUNET Technologies, Inc.
1 938 8842 BBN Planet
2764 912 366 connect.com.au pty ltd
7018 904 6934 AT&T
7046 802 1098 UUNET Technologies, Inc.
3491 675 392 CAIS Internet
702 658 1779 UUNET Technologies, Inc.
1239 652 3197 Sprint ICM-Inria
2914 553 2349 Verio, Inc.
3561 542 2404 Cable & Wireless USA
690 508 86 Merit Network
4293 495 101 Cable & Wireless USA
209 467 1838 Qwest
18994 467 10 Global Crossing
15870 437 7 Global Center Frankfurt
2548 419 998 Digital Express Group, Inc.
3301 411 917 TeliaNet Sweden
2149 406 440 Performance Systems, Inc.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
19772 UNALLOCATED 63.85.211.0/24 701 UUNET Technologies,
19229 UNALLOCATED 63.109.152.0/22 701 UUNET Technologies,
65530 PRIVATE 63.188.0.0/20 4999 Sprint
65530 PRIVATE 63.188.0.0/18 4999 Sprint
65530 PRIVATE 63.188.16.0/20 4999 Sprint
65530 PRIVATE 63.188.32.0/20 4999 Sprint
65530 PRIVATE 63.188.48.0/20 4999 Sprint
65530 PRIVATE 63.188.64.0/20 4999 Sprint
65530 PRIVATE 63.188.64.0/18 4999 Sprint
65530 PRIVATE 63.188.80.0/20 4999 Sprint
65530 PRIVATE 63.188.96.0/20 4999 Sprint
65530 PRIVATE 63.188.112.0/20 4999 Sprint
65530 PRIVATE 63.188.128.0/20 4999 Sprint
65530 PRIVATE 63.188.128.0/18 4999 Sprint
65530 PRIVATE 63.188.144.0/20 4999 Sprint
65530 PRIVATE 63.188.160.0/20 4999 Sprint
65530 PRIVATE 63.188.176.0/20 4999 Sprint
578 UNALLOCATED 64.230.242.0/27 577 Bell Canada
19771 UNALLOCATED 65.89.150.0/24 174 PSINet Inc.
19772 UNALLOCATED 65.166.200.0/24 701 UUNET Technologies,
19771 UNALLOCATED 149.2.143.0/24 174 PSINet Inc.
2027 UNALLOCATED 150.185.128.0/18 8143 Publicom Corp.
19229 UNALLOCATED 170.131.224.0/19 701 UUNET Technologies,
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
5757 UNALLOCATED 192.239.13.0/24 701 UUNET Technologies,
9700 UNALLOCATED 202.30.50.0/23 3786 DACOM Corporation
65502 PRIVATE 203.166.83.0/24 10084 Western Australian I
65500 PRIVATE 203.166.86.0/24 10084 Western Australian I
9700 UNALLOCATED 203.255.208.0/24 3786 DACOM Corporation
9700 UNALLOCATED 203.255.209.0/24 3786 DACOM Corporation
9700 UNALLOCATED 203.255.210.0/24 3786 DACOM Corporation
9700 UNALLOCATED 203.255.211.0/24 3786 DACOM Corporation
5555 UNALLOCATED 205.110.64.0/24 721 DLA Systems Automati
5555 UNALLOCATED 205.110.68.0/22 721 DLA Systems Automati
5555 UNALLOCATED 205.110.72.0/21 721 DLA Systems Automati
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
Advertised Unregistered Addresses
---------------------------------
Network Origin AS Description
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
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 /8:21 /9:5 /10:6 /11:9 /12:32
/13:77 /14:208 /15:350 /16:6903 /17:1182 /18:2193
/19:6747 /20:5266 /21:4531 /22:6809 /23:8694 /24:61474
/25:243 /26:354 /27:467 /28:483 /29:374 /30:317
/31:1 /32:62
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
1221 1588 1737 Telstra
701 1585 2453 UUNET Technologies, Inc.
705 1193 1242 UUNET Technologies, Inc.
2764 868 912 connect.com.au pty ltd
3491 650 675 CAIS Internet
7046 638 802 UUNET Technologies, Inc.
690 504 508 Merit Network
4293 478 495 Cable & Wireless USA
18994 465 467 Global Crossing
1 441 938 BBN Planet
15870 436 437 Global Center Frankfurt
7018 423 904 AT&T
702 418 658 UUNET Technologies, Inc.
209 350 467 Qwest
5106 342 354 Ameritech Advanced Data Servi
3561 337 542 Cable & Wireless USA
1239 336 652 Sprint ICM-Inria
11371 324 337 Rhythms NetConnections
18993 321 324 Global Crossing
2548 307 419 Digital Express Group, Inc.
Advertised prefixes smaller than registry allocations (per /8 block)
--------------------------------------------------------------------
6:12 9:6 12:559 13:13 15:11 17:12
20:2 24:851 26:1 30:1 32:61 35:4
38:572 40:2 44:11 47:37 52:2 53:4
55:1 56:5 57:15 61:89 62:195 63:2563
64:3185 65:1407 66:717 80:8 128:62 129:255
130:57 131:61 132:37 133:1 134:238 135:16
136:29 137:171 138:275 139:84 140:256 141:224
142:151 143:99 144:181 145:31 146:189 147:169
148:192 149:174 150:61 151:259 152:1109 153:37
154:27 155:141 156:74 157:156 158:212 159:100
160:70 161:126 162:151 163:224 164:177 165:284
166:273 167:164 168:195 169:54 170:452 171:20
172:2 192:31 193:2553 194:2717 195:1028 196:4
198:5 199:4068 200:2682 202:3675 203:6168 204:4351
205:2945 206:4181 207:3814 208:5105 209:4218 210:1131
211:314 212:1138 213:585 216:4733 217:384
End of report
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