[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 +10GMT Sun 20 Jan, 2002
Analysis Summary
----------------
BGP routing table entries examined: 108259
Prefixes after maximum aggregation: 72128
Unique aggregates announced to Internet: 51724
Total ASes present in the Internet Routing Table: 12387
Origin-only ASes present in the Internet Routing Table: 10740
Origin ASes announcing only one prefix: 4672
Transit ASes present in the Internet Routing Table: 1647
Transit-only ASes present in the Internet Routing Table: 60
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 22
Illegal AS announcements present in the Routing Table: 5
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: 1185318024
Equivalent to 70 /8s, 166 /16s and 132 /24s
Percentage of available address space announced: 32.0
Percentage of allocated address space announced: 60.5
Percentage of available address space allocated: 52.8
Total number of prefixes smaller than registry allocations: 72419
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 17221
Total APNIC prefixes after maximum aggregation: 10612
Prefixes being announced from the APNIC address blocks: 15702
Unique aggregates announced from the APNIC address blocks: 9747
APNIC Region origin ASes present in the Internet Routing Table: 1430
APNIC Region origin ASes announcing only one prefix: 470
APNIC Region transit ASes present in the Internet Routing Table: 246
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 78692416
Equivalent to 4 /8s, 176 /16s and 192 /24s
Percentage of available APNIC address space announced: 58.2
APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239
17408 - 18431, 23552 - 24575
APNIC Address Blocks 61/8, 202/7, 210/7, 218/7 and 220/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 73175
Total ARIN prefixes after maximum aggregation: 47594
Prefixes being announced from the ARIN address blocks: 51916
Unique aggregates announced from the ARIN address blocks: 17131
ARIN Region origin ASes present in the Internet Routing Table: 7334
ARIN Region origin ASes announcing only one prefix: 2276
ARIN Region transit ASes present in the Internet Routing Table: 751
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 184035780
Equivalent to 10 /8s, 248 /16s and 41 /24s
Percentage of available ARIN address space announced: 68.6
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 - 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: 17860
Total RIPE prefixes after maximum aggregation: 13922
Prefixes being announced from the RIPE address blocks: 14595
Unique aggregates announced from the RIPE address blocks: 9239
RIPE Region origin ASes present in the Internet Routing Table: 3563
RIPE Region origin ASes announcing only one prefix: 1926
RIPE Region transit ASes present in the Internet Routing Table: 641
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 112844544
Equivalent to 6 /8s, 185 /16s and 223 /24s
Percentage of available RIPE address space announced: 74.7
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, 24576 - 25599
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 MaxAgg Description
1221 1336 1243 980 Telstra Pty Ltd
4538 447 1098 14 China Education and Research
703 398 340 303 UUNET Technologies, Inc.
2764 394 377 370 connect.com.au pty ltd
2907 394 1909 365 SINET Japan
7474 314 286 205 Optus Communications Pty Ltd
4755 306 114 90 Videsh Sanchar Nigam Ltd. Aut
4134 268 1858 100 Data Communications Bureau
4766 197 1392 148 Korea Internet Exchange for "
17557 180 14 84 Pakistan Telecom
9443 160 44 59 Primus Telecommunications
4740 147 34 121 OzEmail ISP
7539 147 123 146 TANet2, sponsored by NSC, TAI
9768 144 385 88 Korea Telecom
1659 143 908 33 Taiwan Academic Network (TANe
9583 143 32 5 Satyam Infoway Ltd.,
7657 124 21 84 The Internet Group Limited
17676 121 1920 7 XTAGE CORPORATION
4713 115 894 102 NTT Communications Corporatio
4780 114 186 40 Digital United Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 1088 2619 855 UUNET Technologies, Inc.
3301 399 924 350 TeliaNet Sweden
1257 254 473 248 SWIPnet Swedish IP Network
680 234 2149 232 DFN-IP service G-WiN
3215 234 562 152 France Telecom / &Equant
5515 220 721 177 Sonera Finland Autonomous Sys
3320 192 1961 170 Deutsche Telekom AG
786 182 1874 182 The JANET IP Service
719 164 289 118 LANLINK autonomous system
5400 155 62 86 Concert European Core Network
8708 151 20 140 Romania Data Systems S.A.
2856 135 775 124 BTnet UK Regional network
3303 124 575 124 Swisscom Ltd
3269 115 663 70 TELECOM ITALIA
8297 115 40 66 Teleglobe Autonomous System i
12302 114 7 35 MobiFon S.A.
517 104 227 102 KPNQwest Germany GmbH
1290 96 412 71 PSINet UK Ltd.
5549 93 75 57 Nextra Deutschland GmbH + Co.
1267 92 1471 42 Infostrada S.p.A.
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 2111 8371 1528 UUNET Technologies, Inc.
7018 1723 7570 978 AT&T
1 837 8312 618 BBN Planet
3908 781 1656 461 Supernet, Inc.
1239 772 3156 603 Sprint
3967 679 369 268 Exodus Communication
7046 649 837 425 UUNET Technologies, Inc.
4323 617 412 216 Time Warner Communications, I
852 565 976 364 Telus Advanced Communications
690 532 76 315 Merit Network
209 513 1875 293 Qwest
705 493 449 309 UUNET Technologies, Inc.
2914 453 2178 422 Verio, Inc.
7132 449 504 159 Southwestern Bell Internet Se
3549 423 836 218 Global Crossing
4293 417 90 310 Cable & Wireless USA
2149 388 213 325 Performance Systems, Inc.
2386 384 354 243 AT&T Data Communications Serv
3561 378 2236 328 Cable & Wireless USA
577 354 604 222 Bell Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
7018 1723 745 AT&T
4538 447 433 China Education and Research
3967 679 411 Exodus Communication
4323 617 401 Time Warner Communications, I
1221 1336 356 Telstra Pty Ltd
3908 781 320 Supernet, Inc.
4151 336 320 USDA
7132 449 290 Southwestern Bell Internet Se
11371 278 271 Rhythms NetConnections
6347 324 243 SAVVIS Communications Corpora
702 1088 233 UUNET Technologies, Inc.
7046 649 224 UUNET Technologies, Inc.
209 513 220 Qwest
1 837 219 BBN Planet
690 532 217 Merit Network
4755 306 216 Videsh Sanchar Nigam Ltd. Aut
4355 237 206 EarthLink, Inc.
3549 423 205 Global Crossing
7843 246 204 Adelphia Corp.
852 565 201 Telus Advanced Communications
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65505 PRIVATE 63.202.49.0/24 21694 Fresno County Office
65505 PRIVATE 63.207.252.0/22 21694 Fresno County Office
1877 UNALLOCATED 192.108.201.0/24 1880 Stupi, house man's p
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
65001 PRIVATE 212.143.172.0/22 1680 NetVision Elronet As
Advertised Unregistered Addresses
---------------------------------
Network Origin AS Description
39.0.0.0/8 4554 Exchange Point Blocks
126.0.0.0/8 7336 Compass Communications
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.
153.36.0.0/14 701 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 /8:20 /9:6 /10:7 /11:12 /12:37
/13:92 /14:230 /15:391 /16:7146 /17:1416 /18:2482
/19:7278 /20:6653 /21:4859 /22:7320 /23:9032 /24:60407
/25:220 /26:215 /27:114 /28:90 /29:64 /30:129
/31:0 /32:39
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 1344 2111 UUNET Technologies, Inc.
1221 1188 1336 Telstra Pty Ltd
7018 1147 1723 AT&T
702 710 1088 UUNET Technologies, Inc.
3908 534 781 Supernet, Inc.
690 528 532 Merit Network
4323 508 617 Time Warner Communications, I
3967 487 679 Exodus Communication
7046 482 649 UUNET Technologies, Inc.
1239 449 772 Sprint
1 424 837 BBN Planet
4293 405 417 Cable & Wireless USA
705 358 493 UUNET Technologies, Inc.
852 352 565 Telus Advanced Communications
2764 349 394 connect.com.au pty ltd
209 339 513 Qwest
703 323 398 UUNET Technologies, Inc.
2386 307 384 AT&T Data Communications Serv
2149 291 388 Performance Systems, Inc.
3549 291 423 Global Crossing
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:2 9:1 12:728 13:10 15:1 17:5
20:1 24:712 25:1 32:181 38:12 40:4
43:1 44:2 57:14 61:225 62:161 63:1900
64:1113 65:1010 66:583 67:31 68:19 80:142
81:3 128:63 129:127 130:23 131:44 132:14
133:2 134:121 135:10 136:124 137:103 138:62
139:30 140:100 141:58 142:65 143:42 144:53
145:12 146:213 147:62 148:162 149:86 150:39
151:43 152:390 153:34 154:7 155:83 156:81
157:122 158:72 159:79 160:26 161:55 162:96
163:128 164:131 165:116 166:225 167:160 168:120
169:48 170:281 171:4 191:1 192:5391 193:2094
194:2049 195:798 196:436 198:3739 199:3250 200:2395
201:1 202:2900 203:4495 204:3313 205:2168 206:2735
207:2634 208:2803 209:2919 210:533 211:150 212:873
213:544 214:7 215:17 216:2957 217:415 218:12
End of report
* To unsubscribe, send "unsubscribe" to bgp-stats-request@lists.apnic.net *
