[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 Tue 27 Jan, 2004
Analysis Summary
----------------
BGP routing table entries examined: 132034
Prefixes after maximum aggregation: 81158
Unique aggregates announced to Internet: 63748
Total ASes present in the Internet Routing Table: 16535
Origin-only ASes present in the Internet Routing Table: 14358
Origin ASes announcing only one prefix: 6633
Transit ASes present in the Internet Routing Table: 2177
Transit-only ASes present in the Internet Routing Table: 68
Average AS path length visible in the Internet Routing Table: 5.0
Max AS path length visible: 19
Illegal AS announcements present in the Routing Table: 8
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 14
Number of addresses announced to Internet: 1280898404
Equivalent to 76 /8s, 88 /16s and 245 /24s
Percentage of available address space announced: 34.6
Percentage of allocated address space announced: 59.4
Percentage of available address space allocated: 58.2
Total number of prefixes smaller than registry allocations: 58346
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 24444
Total APNIC prefixes after maximum aggregation: 13100
Prefixes being announced from the APNIC address blocks: 22882
Unique aggregates announced from the APNIC address blocks: 13025
APNIC Region origin ASes present in the Internet Routing Table: 1981
APNIC Region origin ASes announcing only one prefix: 592
APNIC Region transit ASes present in the Internet Routing Table: 314
Average APNIC Region AS path length visible: 5.0
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 134772096
Equivalent to 8 /8s, 8 /16s and 117 /24s
Percentage of available APNIC address space announced: 72.6
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: 77293
Total ARIN prefixes after maximum aggregation: 47900
Prefixes being announced from the ARIN address blocks: 59820
Unique aggregates announced from the ARIN address blocks: 20846
ARIN Region origin ASes present in the Internet Routing Table: 8888
ARIN Region origin ASes announcing only one prefix: 3141
ARIN Region transit ASes present in the Internet Routing Table: 847
Average ARIN Region AS path length visible: 4.8
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 215402144
Equivalent to 12 /8s, 214 /16s and 198 /24s
Percentage of available ARIN address space announced: 71.3
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
31744 - 32767
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/8, 198/7, 204/6, 208/7
and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 23680
Total RIPE prefixes after maximum aggregation: 17263
Prefixes being announced from the RIPE address blocks: 20511
Unique aggregates announced from the RIPE address blocks: 13614
RIPE Region origin ASes present in the Internet Routing Table: 5141
RIPE Region origin ASes announcing only one prefix: 2770
RIPE Region transit ASes present in the Internet Routing Table: 898
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 149714816
Equivalent to 8 /8s, 236 /16s and 119 /24s
Percentage of available RIPE address space announced: 68.6
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, 80/6, 84/8, 188/8, 193/8, 194/7,
212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 5457
Total LACNIC prefixes after maximum aggregation: 2219
Prefixes being announced from the LACNIC address blocks: 5038
Unique aggregates announced from the LACNIC address blocks: 3148
LACNIC Region origin ASes present in the Internet Routing Table: 367
LACNIC Region origin ASes announcing only one prefix: 104
LACNIC Region transit ASes present in the Internet Routing Table: 71
Average LACNIC Region AS path length visible: 5.3
Max LACNIC Region AS path length visible: 13
Number of LACNIC addresses announced to Internet: 14009600
Equivalent to 0 /8s, 213 /16s and 197 /24s
Percentage of available LACNIC address space announced: 41.8
LACNIC AS Blocks 26592 - 26623, 27648 - 28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1154
Total AfriNIC prefixes after maximum aggregation: 676
Prefixes being announced from the AfriNIC address blocks: 736
Unique aggregates announced from the AfriNIC address blocks: 569
AfriNIC Region origin ASes present in the Internet Routing Table: 92
AfriNIC Region origin ASes announcing only one prefix: 26
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 1766656
Equivalent to 0 /8s, 26 /16s and 245 /24s
Percentage of available AfriNIC address space announced: 10.5
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 905 1101 646 Telstra Pty Ltd
4134 666 2457 116 Data Communications Bureau
4766 409 2904 242 Korea Internet Exchange for "
2907 362 1847 338 SINET Japan
9443 344 69 79 Primus Telecommunications
703 337 372 261 UUNET
17557 322 23 157 Pakistan Telecom
9583 301 44 11 Satyam Infoway Ltd.,
17676 295 4348 38 XTAGE CORPORATION
2764 288 289 237 connect.com.au pty ltd
7474 271 305 213 Optus Communications Pty Ltd
4538 249 1811 21 China Education and Research
4755 218 130 58 Videsh Sanchar Nigam Ltd. Aut
9929 218 154 30 China Netcom Corp.
9942 216 69 128 COMindico Australia
9800 214 347 55 CHINA UNICOM
9498 182 30 34 BHARTI BT INTERNET LTD.
17642 153 40 112 RequestDSL BGP AS# for Sydney
17964 151 117 58 Beijing Dian-Xin-Tong Network
7633 149 23 40 Software Technology Parks of
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1402 8663 970 UUNET Technologies, Inc.
7018 1386 7005 965 AT&T
1239 946 3109 662 Sprint
3356 759 10925 604 Level 3 Communications, LLC
209 718 3534 506 Qwest
6197 697 401 235 BellSouth Network Solutions,
4323 687 544 204 Time Warner Communications, I
18566 685 192 9 Covad Communications
20115 603 330 336 Charter Communications
6198 591 381 228 BellSouth Network Solutions,
7843 512 567 120 Adelphia Corp.
7066 503 207 271 Virginia Polytechnic Institut
852 502 1124 399 Telus Advanced Communications
7132 453 7417 311 Southwestern Bell Internet Se
2386 419 544 221 AT&T Data Communications Serv
690 398 58 268 Merit Network
19029 395 169 252 New Edge Networks
4355 392 323 101 EarthLink, Inc.
376 382 359 114 Reseau Interordinateurs Scien
27364 382 28 23 Armstrong Cable Services
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 689 2074 571 UUNET - Commercial IP service
3301 334 1174 315 TeliaNet Sweden
3320 279 1972 229 Deutsche Telekom AG
8220 267 410 253 COLT Internet - International
680 241 2027 237 DFN-IP service G-WiN
719 235 288 105 LANLINK autonomous system
1257 223 504 189 SWIPnet Swedish IP Network
13083 215 51 8 Mannesmann Datenverarbeitung
3246 188 425 186 Song Networks
786 175 1826 175 The JANET IP Service
8708 171 111 162 Romania Data Systems S.A.
5515 169 762 135 Sonera Solution Autonomous Sy
25186 168 201 109 France Telecom Transpac's Tra
3215 153 791 70 France Telecom Transpac
5400 139 223 128 BT Ignite European Backbone
3303 136 556 136 Swisscom Ltd
12302 125 18 32 MobiFon S.A.
3269 122 1004 64 TELECOM ITALIA
2856 118 1294 108 BTnet UK Regional network
6746 105 17 94 Dynamic Network Technologies,
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 358 121 66 ImpSat
8151 244 350 126 UniNet S.A. de C.V.
11172 206 77 45 Servicios Alestra S.A de C.V
16814 155 10 5 NSS, S.A.
6503 138 205 96 AVANTEL, S.A.
7303 138 51 29 Telecom Argentina Stet-France
6505 132 90 92 Global One Communicaoes Ltda
6147 124 78 20 Telefonica Del Peru
11340 110 3 31 Red Universitaria Nacional
15311 78 18 38 Telefonica Empresas
6535 77 5 19 Chilesat Servicios Empresari
4270 71 18 9 Red de Interconexion Universi
11992 68 25 29 Integrated Systems
7080 66 4 2 Electronica y Comunicaciones
11311 66 7 22 Sinectis S.A.
27699 62 168 15 TELECOMUNICACOES DE SAO PAULO
10292 61 6 28 TELECOMMUNICATIONS OF JAMAICA
1916 59 247 39 Fundacao de Amparo a Pesquisa
7738 59 218 13 Telecomunicacoes da Bahia S.A
14420 59 4 26 ANDINATEL S.A.
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 249 632 218 The Internet Solution
5536 104 8 3 Internet Egypt Network
2018 94 297 92 Tertiary Education Network
2905 90 272 80 The Internetworking Company o
2561 58 6 3 Egyptian Universities Network
11845 36 9 11 Data Pro Business Online
3208 33 2 1 ARN Network
16637 26 9 19 Johnnic e-Ventures
9129 25 3 4 UUNET Kenya
5713 24 93 22 Telkom SA Ltd
24835 23 18 6 RAYA Telecom - Egypt
12455 22 4 2 Jambonet Autonomous system
6713 21 38 8 Itissalat Al-MAGHRIB
8524 18 2 4 AUCEGYPT Autonomous System
10798 18 1 12 Standard Bank of South Africa
15706 16 2 3 Sudatel Internet Exchange Aut
12258 15 3 10 Vodacom Internet Company
17148 14 1 8 First National Bank
2609 12 10 3 Tunisia BackBone AS
8346 12 6 12 SONATEL-AS Autonomous System
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 685 676 Covad Communications
4134 666 550 Data Communications Bureau
4323 687 483 Time Warner Communications, I
6197 697 462 BellSouth Network Solutions,
7018 1386 421 AT&T
7843 512 392 Adelphia Corp.
6198 591 363 BellSouth Network Solutions,
27364 382 359 Armstrong Cable Services
22909 332 315 Comcast Cable Corporation
5668 323 307 Century Telephone
22773 333 301 Cox Communications, Inc. Atla
6140 358 292 ImpSat
4355 392 291 EarthLink, Inc.
9583 301 290 Satyam Infoway Ltd.,
1239 946 284 Sprint
376 382 268 Reseau Interordinateurs Scien
20115 603 267 Charter Communications
9443 344 265 Primus Telecommunications
1221 905 259 Telstra Pty Ltd
17676 295 257 XTAGE CORPORATION
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65412 PRIVATE 64.70.42.0/24 3561 Cable & Wireless USA
64512 PRIVATE 131.95.1.240/28 16430 University of Southe
64198 RESERVED 192.107.195.0/24 22767 NASA Earth Science D
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
64198 RESERVED 198.10.49.0/24 22767 NASA Earth Science D
64512 PRIVATE 204.70.1.0/24 3561 Cable & Wireless USA
23861 UNALLOCATED 210.93.46.0/24 3786 DACOM Corporation
23861 UNALLOCATED 210.93.47.0/24 3786 DACOM Corporation
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
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T
192.136.79.0/24 719 LANLINK autonomous system
192.172.0.0/19 568 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 /11:15 /12:57
/13:105 /14:282 /15:502 /16:7543 /17:1856 /18:3451
/19:8884 /20:9363 /21:6704 /22:9490 /23:11033 /24:71984
/25:197 /26:290 /27:170 /28:28 /29:5 /30:37
/31:0 /32:9
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 668 685 Covad Communications
6197 547 697 BellSouth Network Solutions,
7018 509 1386 AT&T
6198 442 591 BellSouth Network Solutions,
701 424 1402 UUNET Technologies, Inc.
702 418 689 UUNET - Commercial IP service
7066 397 503 Virginia Polytechnic Institut
3356 395 759 Level 3 Communications, LLC
20115 383 603 Charter Communications
27364 375 382 Armstrong Cable Services
690 361 398 Merit Network
1239 332 946 Sprint
5668 286 323 Century Telephone
19029 260 395 New Edge Networks
25844 244 244 Skadden, Arps, Slate, Meagher
4766 236 409 Korea Internet Exchange for "
3320 227 279 Deutsche Telekom AG
6517 221 245 Yipes Communications, Inc.
6386 220 246 bellsouth.net, inc.
4355 215 392 EarthLink, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 12:761 13:1 15:6 16:1 17:3
20:7 24:875 32:83 38:44 40:26 44:2
55:1 56:1 57:13 61:350 62:456 63:1821
64:1823 65:1832 66:2235 67:260 68:606 69:372
80:454 81:203 82:78 83:1 128:144 129:262
130:70 131:79 132:17 134:177 135:16 136:128
137:115 138:146 139:40 140:156 141:132 142:104
143:48 144:81 145:39 146:287 147:74 148:300
149:85 150:122 151:61 152:215 153:61 154:1
155:131 156:66 157:55 158:136 159:145 160:46
161:51 162:368 163:69 164:331 165:171 166:105
167:218 168:177 169:96 170:304 171:8 192:5521
193:2529 194:2006 195:1317 196:517 198:3641 199:2834
200:2978 201:7 202:4345 203:5376 204:3026 205:2010
206:2266 207:2585 208:2435 209:2888 210:1033 211:417
212:906 213:999 214:23 215:25 216:3358 217:813
218:115 219:83 220:157 221:18 222:1
End of report
