[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 24 May, 2005
Analysis Summary
----------------
BGP routing table entries examined: 162865
Prefixes after maximum aggregation: 94588
Unique aggregates announced to Internet: 78597
Total ASes present in the Internet Routing Table: 19704
Origin-only ASes present in the Internet Routing Table: 17137
Origin ASes announcing only one prefix: 8045
Transit ASes present in the Internet Routing Table: 2567
Transit-only ASes present in the Internet Routing Table: 73
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 23
Prefixes from unregistered ASNs in the Routing Table: 14
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 14
Number of addresses announced to Internet: 1409007168
Equivalent to 83 /8s, 251 /16s and 190 /24s
Percentage of available address space announced: 38.0
Percentage of allocated address space announced: 59.7
Percentage of available address space allocated: 63.7
Total number of prefixes smaller than registry allocations: 76565
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 33414
Total APNIC prefixes after maximum aggregation: 15699
Prefixes being announced from the APNIC address blocks: 31316
Unique aggregates announced from the APNIC address blocks: 15882
APNIC Region origin ASes present in the Internet Routing Table: 2276
APNIC Region origin ASes announcing only one prefix: 668
APNIC Region transit ASes present in the Internet Routing Table: 346
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 183709312
Equivalent to 10 /8s, 243 /16s and 46 /24s
Percentage of available APNIC address space announced: 68.2
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575
APNIC Address Blocks 58/7, 60/7, 124/7, 126/8, 202/7, 210/7, 218/7,
220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 88284
Total ARIN prefixes after maximum aggregation: 53720
Prefixes being announced from the ARIN address blocks: 68910
Unique aggregates announced from the ARIN address blocks: 25336
ARIN Region origin ASes present in the Internet Routing Table: 9949
ARIN Region origin ASes announcing only one prefix: 3629
ARIN Region transit ASes present in the Internet Routing Table: 940
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 248721152
Equivalent to 14 /8s, 211 /16s and 47 /24s
Percentage of available ARIN address space announced: 70.6
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 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, 29696-30719, 31744-33791
35840-36863
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/6, 198/7, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 30810
Total RIPE prefixes after maximum aggregation: 21337
Prefixes being announced from the RIPE address blocks: 27884
Unique aggregates announced from the RIPE address blocks: 18669
RIPE Region origin ASes present in the Internet Routing Table: 6662
RIPE Region origin ASes announcing only one prefix: 3516
RIPE Region transit ASes present in the Internet Routing Table: 1120
Average RIPE Region AS path length visible: 5.2
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 205283776
Equivalent to 12 /8s, 60 /16s and 97 /24s
Percentage of available RIPE address space announced: 72.0
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839
RIPE Address Blocks 62/8, 80/5, 88/8, 188/8, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 8710
Total LACNIC prefixes after maximum aggregation: 3063
Prefixes being announced from the LACNIC address blocks: 7124
Unique aggregates announced from the LACNIC address blocks: 4142
LACNIC Region origin ASes present in the Internet Routing Table: 623
LACNIC Region origin ASes announcing only one prefix: 196
LACNIC Region transit ASes present in the Internet Routing Table: 115
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 23
Number of LACNIC addresses announced to Internet: 18905600
Equivalent to 1 /8s, 32 /16s and 122 /24s
Percentage of available LACNIC address space announced: 56.3
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 1627
Total AfriNIC prefixes after maximum aggregation: 769
Prefixes being announced from the AfriNIC address blocks: 999
Unique aggregates announced from the AfriNIC address blocks: 777
AfriNIC Region origin ASes present in the Internet Routing Table: 125
AfriNIC Region origin ASes announcing only one prefix: 36
AfriNIC Region transit ASes present in the Internet Routing Table: 14
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2277632
Equivalent to 0 /8s, 34 /16s and 193 /24s
Percentage of available AfriNIC address space announced: 6.8
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 907 5125 187 CHINANET-BACKBONE
1221 751 1182 539 Telstra Pty Ltd
9583 730 54 80 Sify Limited
4755 608 245 125 Videsh Sanchar Nigam Ltd. Aut
4766 589 3412 277 Korea Telecom (KIX)
7545 499 88 71 TPG Internet Pty Ltd
17676 431 6509 73 Softbank BB Corp.
9443 370 77 76 Primus Telecommunications
9929 360 197 46 China Netcom Corp.
2907 345 1838 319 SINET Japan
10036 321 29 288 C&M Communication Co. Ltd.
17557 314 22 151 Pakistan Telecom
4808 308 249 168 CNCGROUP IP network: China169
7474 307 270 210 SingTel Optus Pty Ltd
9498 293 83 59 BHARTI BT INTERNET LTD.
4802 285 48 164 Wantree Development
17974 260 65 14 PT TELEKOMUNIKASI INDONESIA
703 255 277 210 UUNET - Commercial IP service
18302 255 107 143 SK Global co., Ltd
2764 252 238 197 AAPT Limited
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1484 6455 961 AT&T WorldNet Services
174 1168 5609 1000 Cogent Communications
721 1114 21755 312 DLA Systems Automation Center
4323 1112 647 217 Time Warner Telecom
701 1019 8202 857 UUNET Technologies, Inc.
6197 908 380 464 BellSouth Network Solutions,
1239 894 2869 649 Sprint
2386 854 532 636 AT&T Data Communications Serv
18566 812 224 7 Covad Communications
209 654 3521 494 Qwest
20115 600 506 315 Charter Communications
3356 579 10842 436 Level 3 Communications, LLC
27364 565 43 18 Armstrong Cable Services
3561 532 2384 418 Savvis
852 531 1095 392 Telus Advanced Communications
3602 524 123 99 Sprint Canada, Inc.
5668 487 115 25 CenturyTel Internet Holdings,
22773 484 1188 19 Cox Communications, Inc.
6198 468 445 210 BellSouth Network Solutions,
7725 450 60 15 MediaOne
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 596 2003 488 UUNET - Commercial IP service
3320 302 3233 236 Deutsche Telekom AG
3301 295 1084 283 TeliaNet Sweden
8220 274 469 268 COLT Telecommunications
680 253 2041 238 DFN-IP service G-WiN
3246 231 491 226 Song Networks
8708 229 252 213 Romania Data Systems S.A.
1257 200 728 176 SWIPnet Swedish IP Network
5515 178 778 128 Sonera Solution Autonomous Sy
786 176 1794 176 The JANET IP Service
3269 166 1496 69 TELECOM ITALIA
6746 165 47 144 Dynamic Network Technologies,
8866 164 21 11 Bulgarian Telecommunication C
5400 162 285 136 BT Ignite European Backbone
719 160 340 102 LANLINK autonomous system
3300 153 184 86 AUCS Communications Services
6830 137 513 27 UPC Distribution Services
25186 136 137 96 France Telecom Transpac's Tra
1273 131 171 95 Cable & Wireless Deutschland
9051 130 8 30 INCONET Autonomous System
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 371 598 150 UniNet S.A. de C.V.
16814 266 16 7 NSS, S.A.
11172 218 98 53 Servicios Alestra S.A de C.V
6147 177 102 20 Telefonica Del Peru
11664 157 19 22 Keytech SA
7303 148 68 21 Telecom Argentina Stet-France
14117 136 9 5 Telefonica del Sur S.A.
6505 133 90 89 Global One Communicaoes Ltda
22047 131 96 6 VTR PUNTO NET S.A.
19632 119 14 5 Metropolis Intercom S.A.
13999 113 52 9 Mega Cable S.A. de C.V.
11556 111 55 7 Cable-Wireless Panama
18822 105 7 15 TELEFONICA MANQUEHUE
6503 102 146 72 AVANTEL, S.A.
10481 101 40 7 Prima S.A.
19169 100 6 17 Telconet
22927 97 73 25 TELEFONICA DE ARGENTINA
23216 94 24 23 RAMtelecom Telecomunicaciones
21826 92 12 18 INTERCABLE
11311 89 8 18 Sinectis S.A.
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 268 637 224 The Internet Solution
5536 119 15 17 Internet Egypt Network
20928 92 16 2 Noor Advanced Technologies AS
2018 90 295 86 Tertiary Education Network
8452 81 28 6 TEDATA
2905 74 266 68 The Internetworking Company o
24835 63 34 6 RAYA Telecom - Egypt
6713 59 54 8 Itissalat Al-MAGHRIB
9129 44 3 3 UUNET Kenya
12455 39 6 3 Jambonet Autonomous system
5713 36 142 29 Telkom SA Ltd
15475 32 84 4 Nile Online
15706 31 8 3 Sudatel Internet Exchange Aut
8524 24 1 4 AUCEGYPT Autonomous System
16637 22 10 19 Johnnic e-Ventures
10798 19 1 11 Standard Bank of South Africa
33765 19 3 8 TANZANIA TELECOMMUNICATIONS C
7460 17 3 5 LIA Internet Access
12258 17 3 11 Vodacom Internet Company
21491 17 1 3 UTL On-line is RF broadband I
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1112 895 Time Warner Telecom
18566 812 805 Covad Communications
721 1114 802 DLA Systems Automation Center
4134 907 720 CHINANET-BACKBONE
9583 730 650 Sify Limited
27364 565 547 Armstrong Cable Services
4755 608 483 Videsh Sanchar Nigam Ltd. Aut
22773 484 465 Cox Communications, Inc.
5668 487 462 CenturyTel Internet Holdings,
6197 908 444 BellSouth Network Solutions,
7725 450 435 MediaOne
7545 499 428 TPG Internet Pty Ltd
3602 524 425 Sprint Canada, Inc.
6467 422 387 E.Spire Communications, Inc.
17676 431 358 Softbank BB Corp.
6140 407 330 ImpSat
9929 360 314 China Netcom Corp.
4766 589 312 Korea Telecom (KIX)
9443 370 294 Primus Telecommunications
20115 600 285 Charter Communications
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65050 PRIVATE 168.96.148.0/24 6140 ImpSat
65004 PRIVATE 200.0.113.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.0.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.1.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.2.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.3.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.4.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.5.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.6.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.7.0/24 28477 Universidad Autonoma
64512 PRIVATE 200.61.32.0/23 11664 Keytech SA
64512 PRIVATE 200.61.48.0/20 11664 Keytech SA
65005 PRIVATE 203.200.197.0/24 4755 Videsh Sanchar Nigam
65444 PRIVATE 212.25.125.0/24 8551 Bezeq International
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
172.32.0.0/24 7011 Citizens Utilities
172.122.28.0/24 210 Utah Education Network
192.43.230.0/24 7575 Australian Academic and Rease
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T WorldNet Services
192.172.0.0/19 721 DLA Systems Automation Center
192.200.100.0/24 7018 AT&T WorldNet Services
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:3 /10:8 /11:15 /12:71
/13:154 /14:306 /15:600 /16:8398 /17:2555 /18:4400
/19:10323 /20:11181 /21:9055 /22:12517 /23:13526 /24:88833
/25:288 /26:249 /27:138 /28:69 /29:40 /30:82
/31:0 /32:35
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 796 812 Covad Communications
6197 746 908 BellSouth Network Solutions,
7018 678 1484 AT&T WorldNet Services
2386 604 854 AT&T Data Communications Serv
27364 556 565 Armstrong Cable Services
9583 547 730 Sify Limited
4323 529 1112 Time Warner Telecom
7725 423 450 MediaOne
4766 406 589 Korea Telecom (KIX)
5668 402 487 CenturyTel Internet Holdings,
1239 376 894 Sprint
702 367 596 UUNET - Commercial IP service
6198 340 468 BellSouth Network Solutions,
10036 321 321 C&M Communication Co. Ltd.
7011 301 351 Citizens Utilities
6517 299 322 Yipes Communications, Inc.
6467 296 422 E.Spire Communications, Inc.
9929 281 360 China Netcom Corp.
11456 280 321 Carolina Online, Inc.
15270 265 285 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 8:13 12:1551 13:1 15:9 16:2
17:3 18:4 20:4 24:1141 30:2 32:68
33:4 38:118 40:53 44:3 47:2 52:4
55:2 56:3 57:21 58:88 59:38 60:38
61:796 62:609 63:1885 64:2753 65:2066 66:2888
67:575 68:528 69:1029 70:108 71:10 72:197
80:572 81:543 82:410 83:262 84:178 85:200
86:16 128:179 129:172 130:83 131:279 132:35
133:1 134:150 135:40 136:189 137:64 138:169
139:59 140:194 141:105 142:149 143:145 144:184
145:33 146:282 147:106 148:297 149:165 150:97
151:65 152:106 153:86 154:5 155:143 156:78
157:94 158:161 159:171 160:93 161:72 162:205
163:88 164:207 165:174 166:156 167:234 168:424
169:140 170:315 171:8 172:2 192:5720 193:3144
194:2375 195:1560 196:657 198:3936 199:3281 200:3923
201:134 202:5597 203:6218 204:3832 205:1994 206:2476
207:2801 208:2055 209:3290 210:1681 211:827 212:1160
213:1285 214:264 215:31 216:3450 217:1135 218:200
219:106 220:374 221:220 222:103
End of report
