[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Fri 31 Oct, 2003
Analysis Summary
----------------
BGP routing table entries examined: 130771
Prefixes after maximum aggregation: 80902
Unique aggregates announced to Internet: 62531
Total ASes present in the Internet Routing Table: 16110
Origin-only ASes present in the Internet Routing Table: 13974
Origin ASes announcing only one prefix: 6377
Transit ASes present in the Internet Routing Table: 2136
Transit-only ASes present in the Internet Routing Table: 73
Average AS path length visible in the Internet Routing Table: 4.8
Max AS path length visible: 21
Illegal AS announcements present in the Routing Table: 2
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 14
Number of addresses announced to Internet: 1249750660
Equivalent to 74 /8s, 125 /16s and 174 /24s
Percentage of available address space announced: 33.7
Percentage of allocated address space announced: 60.3
Percentage of available address space allocated: 56.0
Total number of prefixes smaller than registry allocations: 57786
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 23185
Total APNIC prefixes after maximum aggregation: 12942
Prefixes being announced from the APNIC address blocks: 21594
Unique aggregates announced from the APNIC address blocks: 12471
APNIC Region origin ASes present in the Internet Routing Table: 1936
APNIC Region origin ASes announcing only one prefix: 569
APNIC Region transit ASes present in the Internet Routing Table: 312
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 124413952
Equivalent to 7 /8s, 106 /16s and 104 /24s
Percentage of available APNIC address space announced: 67.0
APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239
17408 - 18431, 23552 - 24575
APNIC Address Blocks 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 77979
Total ARIN prefixes after maximum aggregation: 48207
Prefixes being announced from the ARIN address blocks: 60730
Unique aggregates announced from the ARIN address blocks: 20758
ARIN Region origin ASes present in the Internet Routing Table: 8713
ARIN Region origin ASes announcing only one prefix: 3016
ARIN Region transit ASes present in the Internet Routing Table: 842
Average ARIN Region AS path length visible: 4.6
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 207909792
Equivalent to 12 /8s, 100 /16s and 115 /24s
Percentage of available ARIN address space announced: 72.9
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
25600 - 26591, 26624 - 27647, 29695 - 30719
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 198/7, 204/6, 208/7
and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 22932
Total RIPE prefixes after maximum aggregation: 16774
Prefixes being announced from the RIPE address blocks: 19806
Unique aggregates announced from the RIPE address blocks: 13077
RIPE Region origin ASes present in the Internet Routing Table: 4934
RIPE Region origin ASes announcing only one prefix: 2657
RIPE Region transit ASes present in the Internet Routing Table: 873
Average RIPE Region AS path length visible: 5.2
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 138486016
Equivalent to 8 /8s, 65 /16s and 33 /24s
Percentage of available RIPE address space announced: 75.0
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, 28672 - 29695
30720 - 31743
RIPE Address Blocks 62/8, 80/7, 82/8, 188/8, 193/8, 194/7,
212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 5574
Total LACNIC prefixes after maximum aggregation: 2281
Prefixes being announced from the LACNIC address blocks: 5048
Unique aggregates announced from the LACNIC address blocks: 3234
LACNIC Region origin ASes present in the Internet Routing Table: 357
LACNIC Region origin ASes announcing only one prefix: 104
LACNIC Region transit ASes present in the Internet Routing Table: 70
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 12
Number of LACNIC addresses announced to Internet: 13399296
Equivalent to 0 /8s, 204 /16s and 117 /24s
Percentage of available LACNIC address space announced: 39.9
LACNIC AS Blocks 26592 - 26623, 27648 - 28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1100
Total AfriNIC prefixes after maximum aggregation: 698
Prefixes being announced from the AfriNIC address blocks: 717
Unique aggregates announced from the AfriNIC address blocks: 552
AfriNIC Region origin ASes present in the Internet Routing Table: 96
AfriNIC Region origin ASes announcing only one prefix: 31
AfriNIC Region transit ASes present in the Internet Routing Table: 10
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 1740544
Equivalent to 0 /8s, 26 /16s and 143 /24s
Percentage of available AfriNIC address space announced: 10.4
AfriNIC AS Blocks <none>
AfriNIC Address Blocks 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1221 954 1108 677 Telstra Pty Ltd
4755 391 133 68 Videsh Sanchar Nigam Ltd. Aut
2907 367 1879 344 SINET Japan
4134 366 2293 106 Data Communications Bureau
703 333 356 266 UUNET
2764 297 289 257 connect.com.au pty ltd
17557 288 20 147 Pakistan Telecom
17676 276 4076 36 XTAGE CORPORATION
9583 271 44 11 Satyam Infoway Ltd.,
7474 264 306 210 Optus Communications Pty Ltd
4766 246 2462 181 Korea Internet Exchange for "
3786 233 773 203 DACOM Corporation
4538 215 1714 21 China Education and Research
9800 204 342 55 CHINA UNICOM
9498 202 21 27 BHARTI BT INTERNET LTD.
9942 202 70 117 COMindico Australia
9929 192 160 36 China Netcom Corp.
9443 187 72 83 Primus Telecommunications
17642 157 40 116 RequestDSL BGP AS# for Sydney
4739 145 58 134 Commerical Internet eXchange
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
209 2051 3401 540 Qwest
701 1445 8667 1000 UUNET Technologies, Inc.
7018 1358 7065 941 AT&T
1239 918 3052 664 Sprint
18566 714 176 8 Covad Communications
4323 680 576 196 Time Warner Communications, I
6197 648 461 243 BellSouth Network Solutions,
3356 610 10818 501 Level 3 Communications, LLC
6198 571 321 197 BellSouth Network Solutions,
20115 538 278 304 Charter Communications
7843 533 480 136 Adelphia Corp.
852 511 1122 406 Telus Advanced Communications
7066 511 207 271 Virginia Polytechnic Institut
7132 414 7190 282 Southwestern Bell Internet Se
690 410 59 275 Merit Network
4355 398 332 108 EarthLink, Inc.
705 394 183 238 UUNET Technologies, Inc.
2386 386 526 201 AT&T Data Communications Serv
19029 384 174 275 New Edge Networks
376 359 359 114 Reseau Interordinateurs Scien
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 699 2094 580 UUNET - Commercial IP service
3301 311 1170 289 TeliaNet Sweden
3320 278 2004 235 Deutsche Telekom AG
8220 259 421 248 COLT Internet - International
1257 238 455 190 SWIPnet Swedish IP Network
680 232 2054 229 DFN-IP service G-WiN
13083 215 51 8 Mannesmann Datenverarbeitung
5400 186 172 134 BT Ignite European Backbone
5515 186 778 147 Sonera Solution Autonomous Sy
3215 183 688 90 France Telecom Transpac
786 174 1825 174 The JANET IP Service
8708 160 111 154 Romania Data Systems S.A.
3303 146 557 141 Swisscom Ltd
719 140 288 105 LANLINK autonomous system
6664 134 11 99 TELECOM ITALIA
25186 132 180 93 France Telecom Transpac's Tra
3246 125 374 123 Song Networks
12302 125 18 32 MobiFon S.A.
2856 118 1294 109 BTnet UK Regional network
3269 117 910 64 TELECOM ITALIA
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 337 104 99 ImpSat
8151 237 351 127 UniNet S.A. de C.V.
7303 193 42 51 Telecom Argentina Stet-France
11172 192 77 42 Servicios Alestra S.A de C.V
16814 156 10 5 NSS, S.A.
6505 134 91 94 Global One Communicaoes Ltda
6503 129 205 93 AVANTEL, S.A.
10620 122 8 26 TVCABLE BOGOTA
6147 110 70 19 Telefonica Del Peru
11340 103 3 29 Red Universitaria Nacional
11992 87 24 31 Integrated Systems
8065 85 10 18 Empresas Publicas de Medellin
15311 76 16 39 Telefonica Empresas
6535 75 5 18 Chilesat Servicios Empresari
11830 74 22 29 Instituto Costarricense de El
4270 67 18 9 Red de Interconexion Universi
11311 66 7 22 Sinectis S.A.
7080 64 4 1 Electronica y Comunicaciones
27699 60 152 15 TELECOMUNICACOES DE SAO PAULO
1916 59 250 39 Fundacao de Amparo a Pesquisa
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 250 632 219 The Internet Solution
2018 94 297 92 Tertiary Education Network
5536 87 7 23 Internet Egypt Network
2905 59 245 52 The Internetworking Company o
2561 56 6 3 Egyptian Universities Network
11845 35 9 10 Data Pro Business Online
11569 31 29 28 satellite data networks
16284 30 3 5 GST-N Autonomous System
12455 26 4 2 Jambonet Autonomous system
5713 24 93 22 Telkom SA Ltd
16637 24 9 17 Johnnic e-Ventures
6713 22 38 9 Itissalat Al-MAGHRIB
9129 19 2 1 UUNET Kenya
10798 17 1 11 Standard Bank of South Africa
15706 15 2 5 Sudatel Internet Exchange Aut
8524 14 1 3 AUCEGYPT Autonomous System
12258 14 3 9 Vodacom Internet Company
17148 14 1 8 First National Bank
3208 13 2 1 ARN Network
8346 12 6 12 SONATEL-AS Autonomous System
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 714 706 Covad Communications
4323 680 484 Time Warner Communications, I
701 1445 445 UUNET Technologies, Inc.
7018 1358 417 AT&T
6197 648 405 BellSouth Network Solutions,
7843 533 397 Adelphia Corp.
6198 571 374 BellSouth Network Solutions,
4755 391 323 Videsh Sanchar Nigam Ltd. Aut
27364 316 293 Armstrong Cable Services
5668 309 292 Century Telephone
4355 398 290 EarthLink, Inc.
22909 305 284 Comcast Cable Corporation
22773 296 279 Cox Communications, Inc. Atla
1221 954 277 Telstra Pty Ltd
6347 346 266 SAVVIS Communications Corpora
4134 366 260 Data Communications Bureau
9583 271 260 Satyam Infoway Ltd.,
1239 918 254 Sprint
376 359 245 Reseau Interordinateurs Scien
25844 244 242 Skadden, Arps, Slate, Meagher
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
18413 UNALLOCATED 61.67.0.0/20 4747 Taiwan Telecommunica
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 568 DISO-UNRRA
137.0.0.0/13 568 DISO-UNRRA
158.0.0.0/13 568 DISO-UNRRA
192.43.230.0/24 4738 South Australian Academic Res
192.44.0.0/19 702 UUNET - Commercial IP service
192.83.16.0/20 5515 Sonera Solution Autonomous Sy
192.83.32.0/19 5515 Sonera Solution Autonomous Sy
192.83.96.0/22 5515 Sonera Solution Autonomous Sy
192.83.100.0/24 5515 Sonera Solution Autonomous Sy
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T
192.136.79.0/24 719 LANLINK autonomous system
192.153.136.0/21 568 DISO-UNRRA
192.172.0.0/19 568 DISO-UNRRA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:4 /10:6 /11:12 /12:55
/13:99 /14:271 /15:471 /16:7439 /17:1784 /18:3243
/19:8601 /20:9191 /21:6691 /22:9727 /23:10897 /24:71536
/25:162 /26:221 /27:158 /28:71 /29:23 /30:50
/31:0 /32:40
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
209 749 2051 Qwest
18566 708 714 Covad Communications
6197 504 648 BellSouth Network Solutions,
7018 485 1358 AT&T
701 446 1445 UUNET Technologies, Inc.
6198 442 571 BellSouth Network Solutions,
702 420 699 UUNET - Commercial IP service
7066 403 511 Virginia Polytechnic Institut
690 371 410 Merit Network
20115 346 538 Charter Communications
1239 326 918 Sprint
27364 310 316 Armstrong Cable Services
3356 296 610 Level 3 Communications, LLC
5668 275 309 Century Telephone
25844 244 244 Skadden, Arps, Slate, Meagher
19029 235 384 New Edge Networks
4355 221 398 EarthLink, Inc.
3320 220 278 Deutsche Telekom AG
10753 217 265 XCOM Technologies, INC.
7843 210 533 Adelphia Corp.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:2 12:720 13:1 15:6 16:1 17:2
20:7 24:822 25:1 32:82 38:51 40:23
43:1 44:2 55:1 57:14 61:334 62:454
63:1910 64:1821 65:1843 66:2180 67:286 68:396
69:294 80:427 81:165 82:84 128:160 129:157
130:63 131:83 132:18 134:168 135:10 136:183
137:119 138:131 139:48 140:176 141:138 142:102
143:48 144:59 145:36 146:282 147:67 148:304
149:81 150:121 151:78 152:213 153:59 154:1
155:130 156:63 157:60 158:141 159:142 160:46
161:68 162:362 163:67 164:320 165:155 166:100
167:312 168:177 169:96 170:314 171:9 192:5459
193:2431 194:2025 195:1332 196:511 198:3664 199:2847
200:3057 201:3 202:4116 203:5323 204:3128 205:2148
206:2290 207:2725 208:2508 209:2825 210:946 211:392
212:965 213:939 214:17 215:21 216:3348 217:784
218:117 219:90 220:113 221:14 222:1
End of report
