[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 29 Nov, 2005
Analysis Summary
----------------
BGP routing table entries examined: 175776
Prefixes after maximum aggregation: 99124
Unique aggregates announced to Internet: 84984
Total ASes present in the Internet Routing Table: 20993
Origin-only ASes present in the Internet Routing Table: 18266
Origin ASes announcing only one prefix: 8642
Transit ASes present in the Internet Routing Table: 2727
Transit-only ASes present in the Internet Routing Table: 75
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 25
Prefixes from unregistered ASNs in the Routing Table: 4
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1466022272
Equivalent to 87 /8s, 97 /16s and 185 /24s
Percentage of available address space announced: 39.6
Percentage of allocated address space announced: 59.6
Percentage of available address space allocated: 66.4
Total number of prefixes smaller than registry allocations: 84323
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 36857
Total APNIC prefixes after maximum aggregation: 15846
Prefixes being announced from the APNIC address blocks: 34541
Unique aggregates announced from the APNIC address blocks: 16817
APNIC Region origin ASes present in the Internet Routing Table: 2412
APNIC Region origin ASes announcing only one prefix: 698
APNIC Region transit ASes present in the Internet Routing Table: 365
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 207811520
Equivalent to 12 /8s, 98 /16s and 243 /24s
Percentage of available APNIC address space announced: 77.1
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
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: 92856
Total ARIN prefixes after maximum aggregation: 55942
Prefixes being announced from the ARIN address blocks: 72354
Unique aggregates announced from the ARIN address blocks: 27494
ARIN Region origin ASes present in the Internet Routing Table: 10367
ARIN Region origin ASes announcing only one prefix: 3845
ARIN Region transit ASes present in the Internet Routing Table: 965
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 276893184
Equivalent to 16 /8s, 129 /16s and 14 /24s
Percentage of available ARIN address space announced: 68.8
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, 74/7, 76/8,
198/7, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 34318
Total RIPE prefixes after maximum aggregation: 23183
Prefixes being announced from the RIPE address blocks: 31256
Unique aggregates announced from the RIPE address blocks: 21000
RIPE Region origin ASes present in the Internet Routing Table: 7344
RIPE Region origin ASes announcing only one prefix: 3846
RIPE Region transit ASes present in the Internet Routing Table: 1210
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 225619968
Equivalent to 13 /8s, 114 /16s and 176 /24s
Percentage of available RIPE address space announced: 67.2
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, 38912-39935
RIPE Address Blocks 62/8, 80/5, 88/6, 188/8, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 9958
Total LACNIC prefixes after maximum aggregation: 3299
Prefixes being announced from the LACNIC address blocks: 8263
Unique aggregates announced from the LACNIC address blocks: 4771
LACNIC Region origin ASes present in the Internet Routing Table: 651
LACNIC Region origin ASes announcing only one prefix: 208
LACNIC Region transit ASes present in the Internet Routing Table: 122
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 22934528
Equivalent to 1 /8s, 93 /16s and 244 /24s
Percentage of available LACNIC address space announced: 34.2
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 1780
Total AfriNIC prefixes after maximum aggregation: 854
Prefixes being announced from the AfriNIC address blocks: 1162
Unique aggregates announced from the AfriNIC address blocks: 835
AfriNIC Region origin ASes present in the Internet Routing Table: 144
AfriNIC Region origin ASes announcing only one prefix: 45
AfriNIC Region transit ASes present in the Internet Routing Table: 21
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2875136
Equivalent to 0 /8s, 43 /16s and 223 /24s
Percentage of available AfriNIC address space announced: 8.6
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 1017 6348 217 CHINANET-BACKBONE
9583 830 77 12 Sify Limited
4755 755 259 69 Videsh Sanchar Nigam Ltd. Aut
1221 740 1342 512 Telstra Pty Ltd
4766 651 3927 287 Korea Telecom (KIX)
7545 511 108 71 TPG Internet Pty Ltd
17676 470 6819 100 Softbank BB Corp.
17488 434 26 11 Hathway IP Over Cable Interne
9498 413 216 66 BHARTI BT INTERNET LTD.
9443 394 87 80 Primus Telecommunications
4802 341 73 156 Wantree Development
2907 340 1764 317 SINET Japan
17557 331 24 161 Pakistan Telecom
9929 330 217 48 China Netcom Corp.
7474 329 258 227 SingTel Optus Pty Ltd
18302 315 142 169 SK Global co., Ltd
17974 279 65 16 PT TELEKOMUNIKASI INDONESIA
1659 278 956 35 Tiawan Academic Network (TANe
9837 275 79 176 Powertel Ltd
18101 270 68 19 Reliance Infocom Ltd Internet
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1470 6316 963 AT&T WorldNet Services
4323 1191 706 233 Time Warner Telecom
174 1076 5846 995 Cogent Communications
721 1070 21938 308 DLA Systems Automation Center
701 984 8134 830 UUNET Technologies, Inc.
6197 963 407 496 BellSouth Network Solutions,
2386 914 528 687 AT&T Data Communications Serv
18566 878 240 7 Covad Communications
1239 845 2801 599 Sprint
209 657 3607 520 Qwest
20115 655 532 345 Charter Communications
11492 631 81 10 Cable One
852 574 1093 382 Telus Advanced Communications
855 564 247 64 Canadian Research Network
19262 563 1593 135 Verizon Global Networks
19916 563 49 54 OLM LLC
22773 557 1468 25 Cox Communications, Inc.
3602 540 126 103 Sprint Canada, Inc.
3356 515 10633 402 Level 3 Communications, LLC
6478 495 1427 276 AT&T Worldnet Services
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 614 1960 482 UUNET - Commercial IP service
3301 303 1085 289 TeliaNet Sweden
3320 285 3230 240 Deutsche Telekom AG
8220 271 475 266 COLT Telecommunications
680 245 2040 239 DFN-IP service G-WiN
8708 234 274 215 Romania Data Systems S.A.
3246 230 477 223 Song Networks
6746 202 51 173 Dynamic Network Technologies,
1257 195 712 171 SWIPnet Swedish IP Network
3269 182 1829 68 TELECOM ITALIA
5515 180 840 127 Sonera Solution Autonomous Sy
786 174 1795 174 The JANET IP Service
5400 166 317 136 BT Ignite European Backbone
6830 161 669 33 UPC Distribution Services
3300 160 170 94 AUCS Communications Services
8866 160 37 9 Bulgarian Telecommunication C
12479 151 322 5 Uni2 Autonomous System
24863 151 37 6 LINKdotNET AS number
3215 150 1275 81 France Telecom Transpac
25186 148 211 104 France Telecom Transpac's Tra
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 397 709 170 UniNet S.A. de C.V.
16814 295 18 7 NSS, S.A.
11172 283 104 69 Servicios Alestra S.A de C.V
11664 222 22 14 Keytech SA
19632 196 14 5 Metropolis Intercom S.A.
14117 184 11 6 Telefonica del Sur S.A.
22047 180 128 8 VTR PUNTO NET S.A.
6147 158 118 21 Telefonica Del Peru
7303 152 72 19 Telecom Argentina Stet-France
13999 142 52 9 Mega Cable S.A. de C.V.
11556 130 64 3 Cable-Wireless Panama
19169 126 8 23 Telconet
10481 121 48 8 Prima S.A.
18822 114 8 11 TELEFONICA MANQUEHUE
6503 113 148 74 AVANTEL, S.A.
21826 112 14 18 INTERCABLE
6505 107 88 80 Global One Communicaoes Ltda
5639 99 12 9 Telecommunications Services o
11311 99 8 10 Sinectis S.A.
14522 94 12 8 SatNet S.A.
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 270 812 229 The Internet Solution
8452 147 44 7 TEDATA
5536 122 8 16 Internet Egypt Network
2018 117 298 103 Tertiary Education Network
2905 74 155 67 The Internetworking Company o
6713 67 71 10 Itissalat Al-MAGHRIB
24835 59 34 6 RAYA Telecom - Egypt
20928 57 16 2 Noor Advanced Technologies AS
15475 56 84 4 Nile Online
5713 38 151 34 Telkom SA Ltd
33774 33 4 24 AS Number for Telecom Algeria
15706 31 8 3 Sudatel Internet Exchange Aut
8524 23 1 4 AUCEGYPT Autonomous System
16637 23 10 21 Johnnic e-Ventures
23889 23 5 9 MAURITIUS TELECOM
10798 22 1 13 Standard Bank of South Africa
21280 21 4 4 Swift Global Kenya Ltd.Is an
12455 18 6 5 Jambonet Autonomous system
12258 17 3 11 Vodacom Internet Company
15808 17 2 2 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1191 958 Time Warner Telecom
18566 878 871 Covad Communications
9583 830 818 Sify Limited
4134 1017 800 CHINANET-BACKBONE
721 1070 762 DLA Systems Automation Center
4755 755 686 Videsh Sanchar Nigam Ltd. Aut
11492 631 621 Cable One
22773 557 532 Cox Communications, Inc.
19916 563 509 OLM LLC
855 564 500 Canadian Research Network
6197 963 467 BellSouth Network Solutions,
5668 476 450 CenturyTel Internet Holdings,
7545 511 440 TPG Internet Pty Ltd
3602 540 437 Sprint Canada, Inc.
19262 563 428 Verizon Global Networks
17488 434 423 Hathway IP Over Cable Interne
17676 470 370 Softbank BB Corp.
4766 651 364 Korea Telecom (KIX)
6467 402 354 E.Spire Communications, Inc.
9498 413 347 BHARTI BT INTERNET LTD.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65003 PRIVATE 57.250.244.0/24 13879 SITA-EQUANT
38976 UNALLOCATED 62.192.224.0/19 21166 Satgate autonomous s
38976 UNALLOCATED 62.192.232.0/24 21166 Satgate autonomous s
24413 UNALLOCATED 202.46.32.0/19 17623 China Netcom Corp.
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
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
192.72.0.0/18 4780 Digital United Inc.
192.72.0.0/16 4780 Digital United Inc.
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.172.0.0/19 721 DLA Systems Automation Center
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 /10:8 /11:17 /12:82
/13:189 /14:343 /15:666 /16:8606 /17:2898 /18:4887
/19:11058 /20:12202 /21:10233 /22:13510 /23:14619 /24:95449
/25:348 /26:299 /27:202 /28:26 /29:12 /30:59
/31:3 /32:37
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 862 878 Covad Communications
6197 785 963 BellSouth Network Solutions,
7018 723 1470 AT&T WorldNet Services
9583 653 830 Sify Limited
2386 641 914 AT&T Data Communications Serv
11492 623 631 Cable One
4323 569 1191 Time Warner Telecom
19916 557 563 OLM LLC
4766 456 651 Korea Telecom (KIX)
855 437 564 Canadian Research Network
7011 399 461 Citizens Utilities
702 393 614 UUNET - Commercial IP service
5668 376 476 CenturyTel Internet Holdings,
1239 365 845 Sprint
6198 355 493 BellSouth Network Solutions,
6517 321 346 Yipes Communications, Inc.
15270 317 344 PaeTec.net -a division of Pae
18302 299 315 SK Global co., Ltd
13609 298 340 Choice One Communications Inc
701 284 984 UUNET Technologies, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 8:38 12:1620 13:1 15:11 16:3
17:3 18:3 20:42 24:679 30:2 32:64
38:184 40:54 44:3 47:3 52:4 55:1
56:3 57:35 58:95 59:95 60:155 61:804
62:799 63:1897 64:2916 65:2126 66:2895 67:640
68:686 69:1310 70:238 71:36 72:470 80:705
81:583 82:476 83:322 84:314 85:373 86:207
87:100 125:127 128:144 129:170 130:99 131:301
132:34 133:1 134:151 135:45 136:167 137:71
138:174 139:75 140:473 141:146 142:401 143:144
144:218 145:34 146:304 147:131 148:271 149:190
150:108 151:73 152:111 153:94 154:5 155:152
156:84 157:118 158:146 159:176 160:85 161:76
162:241 163:159 164:185 165:177 166:144 167:245
168:462 169:142 170:312 171:12 192:5765 193:3355
194:2435 195:1637 196:721 198:3915 199:3258 200:4300
201:452 202:6241 203:6588 204:3838 205:2091 206:2439
207:2927 208:2031 209:3451 210:1782 211:797 212:1206
213:1379 214:316 215:42 216:3819 217:1155 218:222
219:127 220:538 221:317 222:129
End of report
