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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Fri 06 Jan, 2006
Analysis Summary
----------------
BGP routing table entries examined: 177661
Prefixes after maximum aggregation: 99875
Unique aggregates announced to Internet: 86321
Total ASes present in the Internet Routing Table: 21278
Origin-only ASes present in the Internet Routing Table: 18509
Origin ASes announcing only one prefix: 8780
Transit ASes present in the Internet Routing Table: 2769
Transit-only ASes present in the Internet Routing Table: 72
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 25
Prefixes from unregistered ASNs in the Routing Table: 17
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1476827328
Equivalent to 88 /8s, 6 /16s and 152 /24s
Percentage of available address space announced: 39.8
Percentage of allocated address space announced: 60.0
Percentage of available address space allocated: 66.4
Total number of prefixes smaller than registry allocations: 85566
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 37225
Total APNIC prefixes after maximum aggregation: 15817
Prefixes being announced from the APNIC address blocks: 35012
Unique aggregates announced from the APNIC address blocks: 17202
APNIC Region origin ASes present in the Internet Routing Table: 2457
APNIC Region origin ASes announcing only one prefix: 699
APNIC Region transit ASes present in the Internet Routing Table: 376
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 209038272
Equivalent to 12 /8s, 117 /16s and 171 /24s
Percentage of available APNIC address space announced: 77.6
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: 93611
Total ARIN prefixes after maximum aggregation: 56183
Prefixes being announced from the ARIN address blocks: 72925
Unique aggregates announced from the ARIN address blocks: 27866
ARIN Region origin ASes present in the Internet Routing Table: 10414
ARIN Region origin ASes announcing only one prefix: 3871
ARIN Region transit ASes present in the Internet Routing Table: 966
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 281414144
Equivalent to 16 /8s, 198 /16s and 10 /24s
Percentage of available ARIN address space announced: 69.9
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: 34840
Total RIPE prefixes after maximum aggregation: 23617
Prefixes being announced from the RIPE address blocks: 31826
Unique aggregates announced from the RIPE address blocks: 21428
RIPE Region origin ASes present in the Internet Routing Table: 7529
RIPE Region origin ASes announcing only one prefix: 3950
RIPE Region transit ASes present in the Internet Routing Table: 1238
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 25
Number of RIPE addresses announced to Internet: 229007424
Equivalent to 13 /8s, 166 /16s and 96 /24s
Percentage of available RIPE address space announced: 68.2
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: 10139
Total LACNIC prefixes after maximum aggregation: 3400
Prefixes being announced from the LACNIC address blocks: 8342
Unique aggregates announced from the LACNIC address blocks: 4825
LACNIC Region origin ASes present in the Internet Routing Table: 660
LACNIC Region origin ASes announcing only one prefix: 212
LACNIC Region transit ASes present in the Internet Routing Table: 123
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 22
Number of LACNIC addresses announced to Internet: 23548928
Equivalent to 1 /8s, 103 /16s and 84 /24s
Percentage of available LACNIC address space announced: 35.1
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: 1829
Total AfriNIC prefixes after maximum aggregation: 858
Prefixes being announced from the AfriNIC address blocks: 1210
Unique aggregates announced from the AfriNIC address blocks: 855
AfriNIC Region origin ASes present in the Internet Routing Table: 146
AfriNIC Region origin ASes announcing only one prefix: 48
AfriNIC Region transit ASes present in the Internet Routing Table: 24
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2971904
Equivalent to 0 /8s, 45 /16s and 89 /24s
Percentage of available AfriNIC address space announced: 8.9
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 995 6453 206 CHINANET-BACKBONE
9583 835 77 14 Sify Limited
4755 766 258 64 Videsh Sanchar Nigam Ltd. Aut
4766 706 3930 297 Korea Telecom (KIX)
1221 668 1364 476 Telstra Pty Ltd
7545 515 108 71 TPG Internet Pty Ltd
17676 478 6901 102 Softbank BB Corp.
17488 436 26 9 Hathway IP Over Cable Interne
9498 409 211 67 BHARTI BT INTERNET LTD.
9443 399 89 85 Primus Telecommunications
4802 354 74 160 Wantree Development
2907 338 1763 315 SINET Japan
9929 332 217 50 China Netcom Corp.
7474 329 227 227 SingTel Optus Pty Ltd
17557 308 25 162 Pakistan Telecom
18101 305 69 18 Reliance Infocom Ltd Internet
17974 293 69 24 PT TELEKOMUNIKASI INDONESIA
4780 282 226 16 Digital United Inc.
9837 270 78 169 Powertel Ltd
9800 256 410 67 CHINA UNICOM
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1442 6310 950 AT&T WorldNet Services
4323 1198 722 234 Time Warner Telecom
174 1043 5825 960 Cogent Communications
721 1031 21938 309 DLA Systems Automation Center
701 971 8117 815 UUNET Technologies, Inc.
6197 968 434 504 BellSouth Network Solutions,
2386 910 513 682 AT&T Data Communications Serv
18566 887 240 7 Covad Communications
1239 849 2803 603 Sprint
209 663 3606 528 Qwest
20115 656 536 338 Charter Communications
11492 636 89 11 Cable One
22773 601 1478 33 Cox Communications, Inc.
19262 592 1703 145 Verizon Global Networks
852 571 1092 379 Telus Advanced Communications
19916 563 49 54 OLM LLC
855 562 243 65 Canadian Research Network
3602 523 127 106 Sprint Canada, Inc.
6478 521 1439 286 AT&T Worldnet Services
3356 519 10617 399 Level 3 Communications, LLC
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 590 1954 468 UUNET - Commercial IP service
3301 304 1071 290 TeliaNet Sweden
3320 285 3486 240 Deutsche Telekom AG
8220 274 474 268 COLT Telecommunications
680 244 2024 238 DFN-IP service G-WiN
3246 227 486 220 Song Networks
8708 223 274 206 Romania Data Systems S.A.
6746 204 52 176 Dynamic Network Technologies,
1257 189 712 169 SWIPnet Swedish IP Network
3269 184 1893 69 TELECOM ITALIA
5515 180 840 127 Sonera Solution Autonomous Sy
786 173 1794 173 The JANET IP Service
8866 172 37 11 Bulgarian Telecommunication C
5400 166 328 135 BT Ignite European Backbone
24863 166 38 9 LINKdotNET AS number
3215 162 1326 82 France Telecom Transpac
6830 162 669 33 UPC Distribution Services
3300 158 169 89 AUCS Communications Services
12479 157 322 5 Uni2 Autonomous System
25186 150 211 105 France Telecom Transpac's Tra
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 542 776 214 UniNet S.A. de C.V.
22047 380 141 43 VTR PUNTO NET S.A.
16814 293 18 6 NSS, S.A.
11172 290 108 79 Servicios Alestra S.A de C.V
14117 184 11 6 Telefonica del Sur S.A.
13999 175 52 9 Mega Cable S.A. de C.V.
7303 153 73 18 Telecom Argentina Stet-France
6147 150 118 21 Telefonica Del Peru
11556 130 64 3 Cable-Wireless Panama
19169 126 8 29 Telconet
10481 121 48 8 Prima S.A.
6503 114 148 77 AVANTEL, S.A.
21826 113 14 19 INTERCABLE
5639 112 12 9 Telecommunications Services o
6505 107 88 80 Global One Communicaoes Ltda
11311 99 8 10 Sinectis S.A.
18822 99 8 10 TELEFONICA MANQUEHUE
14522 97 12 8 SatNet S.A.
7315 96 6 3 Grupo Rey Moreno
4270 94 17 9 Red de Interconexion Universi
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 272 812 230 The Internet Solution
5536 122 8 16 Internet Egypt Network
8452 122 60 6 TEDATA
2018 117 298 103 Tertiary Education Network
15475 101 84 4 Nile Online
2905 74 155 67 The Internetworking Company o
6713 71 71 10 Itissalat Al-MAGHRIB
24835 65 34 6 RAYA Telecom - Egypt
20928 61 16 2 Noor Advanced Technologies AS
5713 39 167 35 Telkom SA Ltd
33774 33 4 24 AS Number for Telecom Algeria
15706 31 8 3 Sudatel Internet Exchange Aut
23889 25 7 10 MAURITIUS TELECOM
8524 23 1 4 AUCEGYPT Autonomous System
10798 22 1 13 Standard Bank of South Africa
16637 22 10 20 Johnnic e-Ventures
21280 21 4 4 Swift Global Kenya Ltd.Is an
12455 19 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 1198 964 Time Warner Telecom
18566 887 880 Covad Communications
9583 835 821 Sify Limited
4134 995 789 CHINANET-BACKBONE
721 1031 722 DLA Systems Automation Center
4755 766 702 Videsh Sanchar Nigam Ltd. Aut
11492 636 625 Cable One
22773 601 568 Cox Communications, Inc.
19916 563 509 OLM LLC
855 562 497 Canadian Research Network
5668 511 487 CenturyTel Internet Holdings,
6197 968 464 BellSouth Network Solutions,
19262 592 447 Verizon Global Networks
7545 515 444 TPG Internet Pty Ltd
17488 436 427 Hathway IP Over Cable Interne
3602 523 417 Sprint Canada, Inc.
4766 706 409 Korea Telecom (KIX)
17676 478 376 Softbank BB Corp.
6467 401 355 E.Spire Communications, Inc.
812 370 343 Rogers WAVE
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
38976 UNALLOCATED 62.192.224.0/19 21166 Satgate autonomous s
38976 UNALLOCATED 62.192.232.0/24 21166 Satgate autonomous s
38972 UNALLOCATED 80.251.144.0/21 6828 Ekaterinburg Telegra
38972 UNALLOCATED 80.251.151.0/24 6828 Ekaterinburg Telegra
38972 UNALLOCATED 80.251.152.0/23 28947 CJSC InT, Ekaterinbu
29544 UNALLOCATED 82.151.64.0/19 12956 Telefonica Data Auto
65500 PRIVATE 84.22.16.0/24 9070 ITD Netowrk
65500 PRIVATE 84.22.17.0/24 9070 ITD Netowrk
65500 PRIVATE 84.22.18.0/24 9070 ITD Netowrk
65500 PRIVATE 87.118.188.0/24 9070 ITD Netowrk
65500 PRIVATE 87.118.189.0/24 9070 ITD Netowrk
65500 PRIVATE 87.118.190.0/24 9070 ITD Netowrk
65500 PRIVATE 87.118.191.0/24 9070 ITD Netowrk
65500 PRIVATE 213.145.115.0/24 9070 ITD Netowrk
65500 PRIVATE 213.145.116.0/24 9070 ITD Netowrk
65500 PRIVATE 213.145.121.0/24 9070 ITD Netowrk
65500 PRIVATE 213.145.125.0/24 9070 ITD Netowrk
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 /11:20 /12:86
/13:194 /14:346 /15:670 /16:8639 /17:2943 /18:4960
/19:11178 /20:12301 /21:10489 /22:13590 /23:14737 /24:96557
/25:342 /26:252 /27:199 /28:33 /29:12 /30:45
/31:3 /32:34
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 871 887 Covad Communications
6197 784 968 BellSouth Network Solutions,
7018 715 1442 AT&T WorldNet Services
9583 656 835 Sify Limited
2386 635 910 AT&T Data Communications Serv
11492 627 636 Cable One
4323 574 1198 Time Warner Telecom
19916 557 563 OLM LLC
4766 509 706 Korea Telecom (KIX)
855 434 562 Canadian Research Network
7011 403 469 Citizens Utilities
5668 400 511 CenturyTel Internet Holdings,
702 373 590 UUNET - Commercial IP service
1239 366 849 Sprint
6198 355 498 BellSouth Network Solutions,
6517 331 357 Yipes Communications, Inc.
15270 329 356 PaeTec.net -a division of Pae
22773 311 601 Cox Communications, Inc.
13609 286 329 Choice One Communications Inc
701 281 971 UUNET Technologies, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 8:42 12:1626 13:1 15:11 16:3
17:3 18:3 20:42 24:711 25:1 30:2
32:68 38:187 40:54 44:3 47:3 52:4
55:1 56:3 57:33 58:109 59:119 60:175
61:769 62:778 63:1893 64:2929 65:2149 66:2976
67:595 68:696 69:1328 70:264 71:41 72:534
73:15 80:695 81:571 82:506 83:347 84:338
85:417 86:245 87:128 125:148 128:150 129:169
130:101 131:303 132:33 133:1 134:151 135:45
136:162 137:63 138:178 139:92 140:446 141:136
142:403 143:208 144:226 145:39 146:310 147:135
148:347 149:189 150:108 151:71 152:115 153:98
154:6 155:183 156:90 157:119 158:152 159:175
160:87 161:67 162:248 163:172 164:167 165:170
166:148 167:237 168:471 169:142 170:312 171:12
192:5752 193:3344 194:2460 195:1704 196:736 198:3899
199:3268 200:4190 201:549 202:6379 203:6672 204:3823
205:2097 206:2407 207:2920 208:2013 209:3451 210:1855
211:800 212:1243 213:1418 214:317 215:40 216:3826
217:1138 218:234 219:130 220:620 221:329 222:137
End of report
