[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[bgp-stats] Routing Table Report - Japan view
* BGP Statistics focusing on the Asia Pacific Region *
* To unsubscribe: send "unsubscribe" to bgp-stats-request@lists.apnic.net *
Routing Table Report 04:00 06 Dec, 2001
Analysis Summary
----------------
BGP routing table entries examined: 107630
Total ASes present in the Internet Routing Table: 12220
Origin-only ASes present in the Internet Routing Table: 10615
Origin ASes announcing only one prefix: 4575
Transit ASes present in the Internet Routing Table: 1605
Transit-only ASes present in the Internet Routing Table: 54
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: 12
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 17
Number of addresses announced to Internet: 1262178524
Equivalent to 75 /8s, 59 /16s and 80 /24s
Percentage of available address space announced: 34.1
Percentage of allocated address space announced: 65.0
Percentage of available address space allocated: 52.4
Total number of prefixes smaller than registry allocations: 72530
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16921
Prefixes being announced from the APNIC address blocks: 15421
APNIC Region origin ASes present in the Internet Routing Table: 1410
APNIC Region origin ASes announcing only one prefix: 459
APNIC Region transit ASes present in the Internet Routing Table: 242
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 89506480
Equivalent to 5 /8s, 85 /16s and 194 /24s
Percentage of available APNIC address space announced: 75.5
APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239
17408 - 18431, 23552 - 24575
APNIC Address Blocks 61/8, 202/7, 210/7 and 218/7
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 72869
Prefixes being announced from the ARIN address blocks: 52177
ARIN Region origin ASes present in the Internet Routing Table: 7256
ARIN Region origin ASes announcing only one prefix: 2221
ARIN Region transit ASes present in the Internet Routing Table: 735
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 222290346
Equivalent to 13 /8s, 63 /16s and 225 /24s
Percentage of available ARIN address space announced: 82.8
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 - 23551
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: 17832
Prefixes being announced from the RIPE address blocks: 14528
RIPE Region origin ASes present in the Internet Routing Table: 3503
RIPE Region origin ASes announcing only one prefix: 1895
RIPE Region transit ASes present in the Internet Routing Table: 618
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 111034036
Equivalent to 6 /8s, 158 /16s and 62 /24s
Percentage of available RIPE address space announced: 73.5
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 1529 1328 Telstra Pty Ltd
2764 392 356 connect.com.au pty ltd
703 384 337 UUNET Technologies, Inc.
2907 372 1863 SINET Japan
4755 306 159 Videsh Sanchar Nigam Ltd. Aut
7474 306 287 Optus Communications Pty Ltd
4134 257 1940 Data Communications Bureau
4766 183 1419 Korea Internet Exchange for "
4740 175 40 OzEmail ISP
9443 173 62 Primus Telecommunications
1659 171 1127 Taiwan Academic Network (TANe
2521 161 171 PSINet Japan
17557 161 13 Pakistan Telecom
9583 152 48 Satyam Infoway Ltd.,
4812 137 305 China Telecom (Group) - Shang
7539 135 134 TANet2, sponsored by NSC, TAI
4786 127 15 NetConnect Communications Pty
9768 127 362 Korea Telecom
17676 125 1952 XTAGE CORPORATION
4713 121 944 NTT Communications Corporatio
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 1098 2748 UUNET Technologies, Inc.
3301 430 934 TeliaNet Sweden
1257 269 500 SWIPnet Swedish IP Network
3215 236 543 France Telecom / &Equant
680 232 2149 DFN-IP service G-WiN
5515 212 705 Sonera Finland Autonomous Sys
3320 189 1960 Deutsche Telekom AG
786 183 1874 The JANET IP Service
719 164 292 LANLINK autonomous system
8708 149 20 Romania Data Systems S.A.
5400 146 65 Concert European Core Network
3246 141 191 Song Networks / Clinet
2856 134 777 BTnet UK Regional network
3303 133 577 Swisscom Ltd
5549 121 82 Nextra Deutschland GmbH + Co.
517 111 248 KPNQwest Germany GmbH
12302 110 7 MobiFon S.A.
3269 105 799 TELECOM ITALIA
1290 98 398 PSINet UK Ltd.
8297 97 30 Teleglobe Autonomous System i
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2162 9074 UUNET Technologies, Inc.
7018 1089 7362 AT&T
3967 1014 466 Exodus Communication
1 853 8519 BBN Planet
1239 750 3380 Sprint
7046 742 890 UUNET Technologies, Inc.
8010 719 106 PublicNet Communications, Inc
3908 701 1581 Supernet, Inc.
209 611 2232 Qwest
4323 586 477 Time Warner Communications, I
852 548 723 Telus Advanced Communications
690 503 87 Merit Network
2914 480 2253 Verio, Inc.
705 462 277 UUNET Technologies, Inc.
2149 427 232 Performance Systems, Inc.
3549 407 888 Global Crossing
7132 386 534 Southwestern Bell Internet Se
3561 381 2277 Cable & Wireless USA
3741 350 766 The Internet Solution
577 348 625 Bell Advanced Communications
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2162 9074 UUNET Technologies, Inc.
1221 1529 1328 Telstra Pty Ltd
702 1098 2748 UUNET Technologies, Inc.
7018 1089 7362 AT&T
3967 1014 466 Exodus Communication
1 853 8519 BBN Planet
1239 750 3380 Sprint
7046 742 890 UUNET Technologies, Inc.
8010 719 106 PublicNet Communications, Inc
3908 701 1581 Supernet, Inc.
209 611 2232 Qwest
4323 586 477 Time Warner Communications, I
852 548 723 Telus Advanced Communications
690 503 87 Merit Network
2914 480 2253 Verio, Inc.
705 462 277 UUNET Technologies, Inc.
3301 430 934 TeliaNet Sweden
2149 427 232 Performance Systems, Inc.
3549 407 888 Global Crossing
2764 392 356 connect.com.au pty ltd
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
64610 PRIVATE 64.198.32.0/24 10514 Splitrock Services I
2261 UNALLOCATED 65.209.185.0/24 701 UUNET Technologies,
2027 UNALLOCATED 150.185.128.0/18 8143 Publicom Corp.
65025 PRIVATE 168.95.70.0/24 3462 Data Communication B
65025 PRIVATE 168.95.71.0/24 3462 Data Communication B
65025 PRIVATE 168.95.86.32/27 3462 Data Communication B
65026 PRIVATE 168.95.86.128/27 3462 Data Communication B
65026 PRIVATE 168.95.160.0/24 3462 Data Communication B
65026 PRIVATE 168.95.161.0/24 3462 Data Communication B
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
65515 PRIVATE 212.110.142.0/24 5593 CRIS-AS
17940 UNALLOCATED 218.45.0.0/20 4713 NTT Communications C
Advertised Unregistered Addresses
---------------------------------
Network Origin AS Description
39.0.0.0/8 4554 Exchange Point Blocks
68.1.0.0/17 22773 Cox Communications, Inc. Atla
68.1.128.0/18 22773 Cox Communications, Inc. Atla
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
164.235.0.0/16 6025 US DOD NIC Unregistered
191.9.200.0/24 1290 PSINet UK Ltd.
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 /10:7 /11:12 /12:37
/13:89 /14:221 /15:386 /16:7087 /17:1360 /18:2452
/19:7110 /20:6186 /21:4694 /22:7065 /23:8830 /24:60606
/25:322 /26:317 /27:244 /28:210 /29:129 /30:171
/31:0 /32:72
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
1221 1383 1529 Telstra Pty Ltd
701 1380 2162 UUNET Technologies, Inc.
3967 833 1014 Exodus Communication
702 713 1098 UUNET Technologies, Inc.
8010 703 719 PublicNet Communications, Inc
7046 578 742 UUNET Technologies, Inc.
7018 558 1089 AT&T
690 499 503 Merit Network
4323 496 586 Time Warner Communications, I
3908 476 701 Supernet, Inc.
209 439 611 Qwest
1 424 853 BBN Planet
1239 420 750 Sprint
852 364 548 Telus Advanced Communications
705 358 462 UUNET Technologies, Inc.
2764 350 392 connect.com.au pty ltd
2149 324 427 Performance Systems, Inc.
703 311 384 UUNET Technologies, Inc.
4151 301 347 USDA
3549 277 407 Global Crossing
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 9:1 12:432 13:10 15:1 17:5
20:1 24:866 25:1 26:1 32:73 38:13
40:1 43:1 44:2 52:1 53:2 57:12
61:146 62:155 63:1921 64:1490 65:985 66:735
67:8 80:110 128:61 129:113 130:23 131:44
132:14 133:2 134:137 135:10 136:119 137:119
138:63 139:30 140:98 141:59 142:68 143:43
144:56 145:13 146:216 147:91 148:129 149:87
150:42 151:38 152:393 153:37 154:6 155:84
156:84 157:115 158:67 159:75 160:45 161:54
162:83 163:127 164:120 165:97 166:205 167:163
168:121 169:46 170:303 171:2 191:1 192:5377
193:2069 194:2083 195:834 196:433 198:3762 199:3339
200:2388 201:1 202:2853 203:4583 204:3317 205:2138
206:2612 207:2674 208:2707 209:2937 210:581 211:146
212:939 213:535 214:9 215:15 216:2968 217:419
218:7
End of report
* To unsubscribe, send "unsubscribe" to bgp-stats-request@lists.apnic.net *
