[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 Sun 12 Jun, 2005
Analysis Summary
----------------
BGP routing table entries examined: 164730
Prefixes after maximum aggregation: 95351
Unique aggregates announced to Internet: 79273
Total ASes present in the Internet Routing Table: 19826
Origin-only ASes present in the Internet Routing Table: 17264
Origin ASes announcing only one prefix: 8085
Transit ASes present in the Internet Routing Table: 2562
Transit-only ASes present in the Internet Routing Table: 71
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 23
Prefixes from unregistered ASNs in the Routing Table: 18
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 15
Number of addresses announced to Internet: 1414308704
Equivalent to 84 /8s, 76 /16s and 163 /24s
Percentage of available address space announced: 38.2
Percentage of allocated address space announced: 59.9
Percentage of available address space allocated: 63.7
Total number of prefixes smaller than registry allocations: 77662
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 34096
Total APNIC prefixes after maximum aggregation: 15853
Prefixes being announced from the APNIC address blocks: 32009
Unique aggregates announced from the APNIC address blocks: 15946
APNIC Region origin ASes present in the Internet Routing Table: 2291
APNIC Region origin ASes announcing only one prefix: 671
APNIC Region transit ASes present in the Internet Routing Table: 345
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 186644608
Equivalent to 11 /8s, 31 /16s and 248 /24s
Percentage of available APNIC address space announced: 69.3
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: 88680
Total ARIN prefixes after maximum aggregation: 53995
Prefixes being announced from the ARIN address blocks: 69227
Unique aggregates announced from the ARIN address blocks: 25340
ARIN Region origin ASes present in the Internet Routing Table: 9981
ARIN Region origin ASes announcing only one prefix: 3646
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: 249415936
Equivalent to 14 /8s, 221 /16s and 201 /24s
Percentage of available ARIN address space announced: 70.8
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, 198/7, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 31319
Total RIPE prefixes after maximum aggregation: 21612
Prefixes being announced from the RIPE address blocks: 28383
Unique aggregates announced from the RIPE address blocks: 19092
RIPE Region origin ASes present in the Internet Routing Table: 6737
RIPE Region origin ASes announcing only one prefix: 3542
RIPE Region transit ASes present in the Internet Routing Table: 1114
Average RIPE Region AS path length visible: 5.2
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 208016832
Equivalent to 12 /8s, 102 /16s and 21 /24s
Percentage of available RIPE address space announced: 72.9
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: 8945
Total LACNIC prefixes after maximum aggregation: 3119
Prefixes being announced from the LACNIC address blocks: 7339
Unique aggregates announced from the LACNIC address blocks: 4270
LACNIC Region origin ASes present in the Internet Routing Table: 623
LACNIC Region origin ASes announcing only one prefix: 190
LACNIC Region transit ASes present in the Internet Routing Table: 114
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 21
Number of LACNIC addresses announced to Internet: 19128608
Equivalent to 1 /8s, 35 /16s and 225 /24s
Percentage of available LACNIC address space announced: 57.0
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: 1666
Total AfriNIC prefixes after maximum aggregation: 772
Prefixes being announced from the AfriNIC address blocks: 1011
Unique aggregates announced from the AfriNIC address blocks: 777
AfriNIC Region origin ASes present in the Internet Routing Table: 128
AfriNIC Region origin ASes announcing only one prefix: 36
AfriNIC Region transit ASes present in the Internet Routing Table: 17
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2287360
Equivalent to 0 /8s, 34 /16s and 231 /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 913 5150 192 CHINANET-BACKBONE
1221 757 1453 543 Telstra Pty Ltd
9583 755 55 63 Sify Limited
4755 608 246 125 Videsh Sanchar Nigam Ltd. Aut
4766 595 3412 278 Korea Telecom (KIX)
7545 501 104 71 TPG Internet Pty Ltd
17676 436 6589 75 Softbank BB Corp.
9443 374 77 76 Primus Telecommunications
9929 364 221 48 China Netcom Corp.
10036 340 56 306 C&M Communication Co. Ltd.
2907 339 1805 316 SINET Japan
9498 322 83 62 BHARTI BT INTERNET LTD.
17557 317 22 152 Pakistan Telecom
7474 312 271 216 SingTel Optus Pty Ltd
4808 310 250 172 CNCGROUP IP network: China169
4802 279 47 159 Wantree Development
18302 270 108 146 SK Global co., Ltd
17974 264 65 14 PT TELEKOMUNIKASI INDONESIA
703 252 276 206 UUNET - Commercial IP service
2764 252 238 198 AAPT Limited
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1498 6460 975 AT&T WorldNet Services
174 1252 5616 1074 Cogent Communications
4323 1116 647 217 Time Warner Telecom
721 1110 21787 313 DLA Systems Automation Center
701 1008 8170 852 UUNET Technologies, Inc.
6197 920 498 438 BellSouth Network Solutions,
1239 895 2871 647 Sprint
2386 860 533 641 AT&T Data Communications Serv
18566 817 224 7 Covad Communications
209 629 3489 495 Qwest
20115 616 492 311 Charter Communications
3356 566 10824 433 Level 3 Communications, LLC
27364 565 43 18 Armstrong Cable Services
3602 543 123 100 Sprint Canada, Inc.
3561 536 2384 422 Savvis
852 526 1094 389 Telus Advanced Communications
22773 491 1188 23 Cox Communications, Inc.
5668 488 115 25 CenturyTel Internet Holdings,
7725 484 60 15 MediaOne
6198 464 386 220 BellSouth Network Solutions,
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 593 2001 486 UUNET - Commercial IP service
3320 305 3232 241 Deutsche Telekom AG
3301 296 1081 284 TeliaNet Sweden
8220 269 469 265 COLT Telecommunications
680 252 2041 238 DFN-IP service G-WiN
8708 232 254 215 Romania Data Systems S.A.
3246 225 489 220 Song Networks
1257 198 712 174 SWIPnet Swedish IP Network
5515 179 778 129 Sonera Solution Autonomous Sy
786 176 1794 176 The JANET IP Service
719 168 340 101 LANLINK autonomous system
6746 168 47 146 Dynamic Network Technologies,
3269 166 1496 69 TELECOM ITALIA
5400 163 285 137 BT Ignite European Backbone
8866 158 21 11 Bulgarian Telecommunication C
3300 152 184 84 AUCS Communications Services
6830 138 529 28 UPC Distribution Services
3352 131 1240 33 Ibernet, Internet Access Netw
9051 131 8 33 INCONET Autonomous System
9121 131 269 42 TTnet Autonomous System
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 381 600 150 UniNet S.A. de C.V.
16814 264 16 12 NSS, S.A.
11172 221 98 53 Servicios Alestra S.A de C.V
11664 197 19 23 Keytech SA
6147 196 110 21 Telefonica Del Peru
14117 152 9 5 Telefonica del Sur S.A.
7303 150 69 19 Telecom Argentina Stet-France
6505 132 90 89 Global One Communicaoes Ltda
22047 131 96 6 VTR PUNTO NET S.A.
11556 130 64 3 Cable-Wireless Panama
13999 113 52 9 Mega Cable S.A. de C.V.
19632 109 14 5 Metropolis Intercom S.A.
18822 107 7 13 TELEFONICA MANQUEHUE
6503 106 146 72 AVANTEL, S.A.
19169 105 7 20 Telconet
10481 101 40 7 Prima S.A.
22927 97 73 25 TELEFONICA DE ARGENTINA
21826 95 13 20 INTERCABLE
23216 95 24 23 RAMtelecom Telecomunicaciones
5639 94 12 9 Telecommunications Services o
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 266 637 223 The Internet Solution
5536 119 15 17 Internet Egypt Network
20928 94 16 2 Noor Advanced Technologies AS
2018 91 295 86 Tertiary Education Network
8452 83 28 6 TEDATA
2905 74 266 66 The Internetworking Company o
24835 64 34 6 RAYA Telecom - Egypt
6713 59 54 8 Itissalat Al-MAGHRIB
9129 45 3 3 UUNET Kenya
12455 40 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 25 1 4 AUCEGYPT Autonomous System
16637 22 10 19 Johnnic e-Ventures
33765 20 3 8 TANZANIA TELECOMMUNICATIONS C
10798 19 1 11 Standard Bank of South Africa
23889 19 5 8 MAURITIUS TELECOM
21491 18 1 2 UTL On-line is RF broadband I
7460 17 3 5 LIA Internet Access
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1116 899 Time Warner Telecom
18566 817 810 Covad Communications
721 1110 797 DLA Systems Automation Center
4134 913 721 CHINANET-BACKBONE
9583 755 692 Sify Limited
27364 565 547 Armstrong Cable Services
4755 608 483 Videsh Sanchar Nigam Ltd. Aut
6197 920 482 BellSouth Network Solutions,
7725 484 469 MediaOne
22773 491 468 Cox Communications, Inc.
5668 488 463 CenturyTel Internet Holdings,
3602 543 443 Sprint Canada, Inc.
7545 501 430 TPG Internet Pty Ltd
6467 429 395 E.Spire Communications, Inc.
17676 436 361 Softbank BB Corp.
6140 400 327 ImpSat
4766 595 317 Korea Telecom (KIX)
9929 364 316 China Netcom Corp.
20115 616 305 Charter Communications
9443 374 298 Primus Telecommunications
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
64512 PRIVATE 61.17.25.0/24 4755 Videsh Sanchar Nigam
65009 PRIVATE 69.39.0.0/20 21803 1st Class Internet S
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 200.61.62.0/23 11664 Keytech SA
64512 PRIVATE 200.80.154.0/23 11664 Keytech SA
65005 PRIVATE 203.200.197.0/24 4755 Videsh Sanchar Nigam
65444 PRIVATE 212.25.125.0/24 8551 Bezeq International
65529 PRIVATE 216.21.199.0/24 14697 VDot.Net
65529 PRIVATE 216.152.237.0/24 14697 VDot.Net
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
50.160.0.0/13 1221 Telstra Pty Ltd
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
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
192.169.0.0/23 3970 RGnet, Inc.
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
/13:158 /14:308 /15:604 /16:8416 /17:2575 /18:4421
/19:10396 /20:11274 /21:9222 /22:12697 /23:13767 /24:89863
/25:332 /26:272 /27:146 /28:42 /29:27 /30:69
/31:0 /32:25
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 801 817 Covad Communications
6197 751 920 BellSouth Network Solutions,
7018 688 1498 AT&T WorldNet Services
2386 609 860 AT&T Data Communications Serv
9583 572 755 Sify Limited
27364 556 565 Armstrong Cable Services
4323 538 1116 Time Warner Telecom
7725 455 484 MediaOne
4766 413 595 Korea Telecom (KIX)
5668 402 488 CenturyTel Internet Holdings,
1239 378 895 Sprint
702 366 593 UUNET - Commercial IP service
6198 339 464 BellSouth Network Solutions,
10036 332 340 C&M Communication Co. Ltd.
7011 304 354 Citizens Utilities
6467 297 429 E.Spire Communications, Inc.
9929 283 364 China Netcom Corp.
15270 278 299 PaeTec.net -a division of Pae
6517 274 296 Yipes Communications, Inc.
11456 272 311 Carolina Online, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 8:15 12:1553 13:1 15:9 16:2
17:3 18:3 20:4 24:1166 30:2 32:69
33:4 38:126 40:53 44:3 47:2 52:4
55:2 56:3 57:24 58:90 59:44 60:55
61:815 62:605 63:1884 64:2744 65:2065 66:2872
67:579 68:525 69:1039 70:114 71:9 72:225
80:586 81:552 82:414 83:276 84:198 85:251
86:20 128:187 129:172 130:88 131:296 132:37
133:1 134:151 135:40 136:128 137:69 138:166
139:61 140:194 141:102 142:148 143:137 144:189
145:33 146:287 147:107 148:299 149:172 150:105
151:65 152:107 153:86 154:5 155:142 156:78
157:99 158:160 159:171 160:72 161:67 162:323
163:91 164:211 165:179 166:159 167:237 168:425
169:142 170:310 171:8 172:1 192:5720 193:3181
194:2415 195:1552 196:661 198:3912 199:3280 200:4004
201:155 202:5795 203:6334 204:3763 205:2009 206:2521
207:2828 208:2059 209:3311 210:1712 211:855 212:1217
213:1318 214:262 215:31 216:3464 217:1148 218:207
219:107 220:387 221:228 222:107
End of report
