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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Thu 14 Dec, 2006
Analysis Summary
----------------
BGP routing table entries examined: 205855
Prefixes after maximum aggregation: 111903
Unique aggregates announced to Internet: 101091
Total ASes present in the Internet Routing Table: 23918
Origin-only ASes present in the Internet Routing Table: 20851
Origin ASes announcing only one prefix: 10049
Transit ASes present in the Internet Routing Table: 3067
Transit-only ASes present in the Internet Routing Table: 75
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 29
Max AS path prepend of ASN (36728) 27
Prefixes from unregistered ASNs in the Routing Table: 1
Unregistered ASNs in the Routing Table: 2
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1645727884
Equivalent to 98 /8s, 23 /16s and 208 /24s
Percentage of available address space announced: 44.4
Percentage of allocated address space announced: 63.0
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 104638
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 45724
Total APNIC prefixes after maximum aggregation: 18791
Prefixes being announced from the APNIC address blocks: 43276
Unique aggregates announced from the APNIC address blocks: 19862
APNIC Region origin ASes present in the Internet Routing Table: 2795
APNIC Region origin ASes announcing only one prefix: 785
APNIC Region transit ASes present in the Internet Routing Table: 417
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 272004800
Equivalent to 16 /8s, 54 /16s and 118 /24s
Percentage of available APNIC address space announced: 85.1
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, 121/8, 122/7, 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: 101788
Total ARIN prefixes after maximum aggregation: 60369
Prefixes being announced from the ARIN address blocks: 74981
Unique aggregates announced from the ARIN address blocks: 28510
ARIN Region origin ASes present in the Internet Routing Table: 11223
ARIN Region origin ASes announcing only one prefix: 4280
ARIN Region transit ASes present in the Internet Routing Table: 1030
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 310698752
Equivalent to 18 /8s, 132 /16s and 227 /24s
Percentage of available ARIN address space announced: 68.6
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, 39936-40959
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 42555
Total RIPE prefixes after maximum aggregation: 27811
Prefixes being announced from the RIPE address blocks: 39382
Unique aggregates announced from the RIPE address blocks: 26264
RIPE Region origin ASes present in the Internet Routing Table: 8905
RIPE Region origin ASes announcing only one prefix: 4687
RIPE Region transit ASes present in the Internet Routing Table: 1426
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 281187716
Equivalent to 16 /8s, 194 /16s and 149 /24s
Percentage of available RIPE address space announced: 76.2
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
40960-43007
RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 193/8, 194/7,
212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 13277
Total LACNIC prefixes after maximum aggregation: 3992
Prefixes being announced from the LACNIC address blocks: 11330
Unique aggregates announced from the LACNIC address blocks: 6989
LACNIC Region origin ASes present in the Internet Routing Table: 751
LACNIC Region origin ASes announcing only one prefix: 248
LACNIC Region transit ASes present in the Internet Routing Table: 132
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 35213056
Equivalent to 2 /8s, 25 /16s and 79 /24s
Percentage of available LACNIC address space announced: 52.5
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: 2510
Total AfriNIC prefixes after maximum aggregation: 940
Prefixes being announced from the AfriNIC address blocks: 1751
Unique aggregates announced from the AfriNIC address blocks: 1121
AfriNIC Region origin ASes present in the Internet Routing Table: 169
AfriNIC Region origin ASes announcing only one prefix: 49
AfriNIC Region transit ASes present in the Internet Routing Table: 30
Average AfriNIC Region AS path length visible: 3.6
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 4787456
Equivalent to 0 /8s, 73 /16s and 13 /24s
Percentage of available AfriNIC address space announced: 14.3
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 1242 8590 250 CHINANET-BACKBONE
4755 1048 384 69 Videsh Sanchar Nigam Ltd. Aut
9583 1021 86 279 Sify Limited
9498 895 212 65 BHARTI BT INTERNET LTD.
23577 772 34 701 KRNIC
4766 747 4946 307 Korea Telecom (KIX)
1221 581 1698 445 Telstra Pty Ltd
17488 556 35 20 Hathway IP Over Cable Interne
7545 552 126 74 TPG Internet Pty Ltd
17676 503 10935 66 Softbank BB Corp.
18101 488 87 23 Reliance Infocom Ltd Internet
9443 442 111 74 Primus Telecommunications
9942 435 81 130 COMindico Australia
4812 430 753 65 China Telecom (Shanghai)
17849 411 36 126 Telecommunications Technology
4802 404 85 145 Wantree Development
17974 374 129 12 PT TELEKOMUNIKASI INDONESIA
17557 370 36 178 Pakistan Telecom
2907 332 1749 309 SINET Japan
4837 327 3844 143 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1530 6188 984 AT&T WorldNet Services
2386 1112 587 737 AT&T Data Communications Serv
4323 1057 804 298 Time Warner Telecom
6197 1020 638 505 BellSouth Network Solutions,
18566 983 272 8 Covad Communications
174 973 6827 886 Cogent Communications
701 944 6691 760 UUNET Technologies, Inc.
11492 836 98 12 Cable One
1239 828 2730 578 Sprint
721 796 21885 294 DLA Systems Automation Center
19262 787 2472 181 Verizon Global Networks
20115 767 667 405 Charter Communications
22773 713 1744 41 Cox Communications, Inc.
209 711 3763 561 Qwest
7011 694 211 431 Citizens Utilities
852 603 1091 390 Telus Advanced Communications
19916 567 48 57 OLM LLC
6198 550 535 257 BellSouth Network Solutions,
5668 545 161 19 CenturyTel Internet Holdings,
855 538 250 73 Canadian Research Network
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 544 1928 423 UUNET - Commercial IP service
3301 309 1199 293 TeliaNet Sweden
3320 296 4992 244 Deutsche Telekom AG
24863 292 44 26 LINKdotNET AS number
8220 273 474 263 COLT Telecommunications
6746 262 92 239 Dynamic Network Technologies,
680 252 2041 248 DFN-IP service G-WiN
3215 230 2104 96 France Telecom Transpac
8708 228 281 215 Romania Data Systems S.A.
9116 227 134 23 Goldenlines main autonomous s
1257 219 1073 172 SWIPnet Swedish IP Network
30890 210 19 88 SC Kappa Invexim SRL
3269 208 2357 75 TELECOM ITALIA
5416 204 13 13 BATELCO-BH
3246 202 353 192 Song Networks
8551 199 197 24 Bezeq International
3300 178 171 96 AUCS Communications Services
3352 173 1751 30 Ibernet, Internet Access Netw
786 172 1795 172 The JANET IP Service
6830 172 695 38 UPC Distribution Services
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 773 1936 206 UniNet S.A. de C.V.
11830 484 299 19 Instituto Costarricense de El
11172 385 104 74 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
22047 307 206 11 VTR PUNTO NET S.A.
6471 257 74 31 ENTEL CHILE S.A.
14117 254 16 13 Telefonica del Sur S.A.
7303 227 102 35 Telecom Argentina Stet-France
6503 211 170 94 AVANTEL, S.A.
6147 207 150 20 Telefonica Del Peru
11556 204 101 6 Cable-Wireless Panama
10481 181 72 8 Prima S.A.
21826 153 20 37 INTERCABLE
23216 146 19 43 RAMtelecom Telecomunicaciones
7910 144 10 31 ANDINET ON LINE
19169 139 9 22 Telconet
19429 138 84 34 E.T.B.
14522 129 20 9 SatNet S.A.
18822 129 8 10 TELEFONICA MANQUEHUE
6505 118 89 84 Global One Communicaoes Ltda
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 289 868 231 The Internet Solution
8452 224 60 7 TEDATA
15475 148 84 4 Nile Online
6713 144 135 11 Itissalat Al-MAGHRIB
2018 133 297 111 Tertiary Education Network
5536 123 8 15 Internet Egypt Network
24835 116 48 6 RAYA Telecom - Egypt
33783 109 6 4 EEPAD TISP TELECOM & INTERNET
2905 84 175 73 The Internetworking Company o
2561 57 6 2 Egyptian Universities Network
15706 55 12 4 Sudatel Internet Exchange Aut
23889 47 12 17 MAURITIUS TELECOM
5713 41 294 34 Telkom SA Ltd
12455 39 6 3 Jambonet Autonomous system
33774 38 12 22 AS Number for Telecom Algeria
16637 33 21 25 Johnnic e-Ventures
8524 30 2 6 AUCEGYPT Autonomous System
15804 27 2 1 AS of The Way Out Internet So
10798 23 1 14 Standard Bank of South Africa
21280 23 4 4 Swift Global Kenya Ltd.Is an
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1242 992 CHINANET-BACKBONE
4755 1048 979 Videsh Sanchar Nigam Ltd. Aut
18566 983 975 Covad Communications
9498 895 830 BHARTI BT INTERNET LTD.
11492 836 824 Cable One
4323 1057 759 Time Warner Telecom
9583 1021 742 Sify Limited
22773 713 672 Cox Communications, Inc.
19262 787 606 Verizon Global Networks
8151 773 567 UniNet S.A. de C.V.
17488 556 536 Hathway IP Over Cable Interne
5668 545 526 CenturyTel Internet Holdings,
6197 1020 515 BellSouth Network Solutions,
19916 567 510 OLM LLC
721 796 502 DLA Systems Automation Center
7545 552 478 TPG Internet Pty Ltd
855 538 465 Canadian Research Network
18101 488 465 Reliance Infocom Ltd Internet
11830 484 465 Instituto Costarricense de El
15270 494 460 PaeTec.net -a division of Pae
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
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
172.33.1.0/24 7018 AT&T WorldNet Services
192.0.10.0/24 9498 BHARTI BT INTERNET LTD.
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
192.172.0.0/19 721 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 /8:19 /9:10 /10:13 /11:30 /12:113
/13:227 /14:405 /15:798 /16:9084 /17:3632 /18:5864
/19:12727 /20:14378 /21:12848 /22:16313 /23:17829 /24:109892
/25:624 /26:461 /27:359 /28:74 /29:44 /30:88
/31:0 /32:23
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 966 983 Covad Communications
9583 855 1021 Sify Limited
2386 829 1112 AT&T Data Communications Serv
11492 822 836 Cable One
7018 815 1530 AT&T WorldNet Services
6197 796 1020 BellSouth Network Solutions,
23577 758 772 KRNIC
7011 599 694 Citizens Utilities
19916 562 567 OLM LLC
4766 556 747 Korea Telecom (KIX)
9498 549 895 BHARTI BT INTERNET LTD.
4755 469 1048 Videsh Sanchar Nigam Ltd. Aut
15270 464 494 PaeTec.net -a division of Pae
855 435 538 Canadian Research Network
18101 422 488 Reliance Infocom Ltd Internet
5668 419 545 CenturyTel Internet Holdings,
1239 408 828 Sprint
17849 397 411 Telecommunications Technology
6198 388 550 BellSouth Network Solutions,
33588 387 410 Bresnan Communications, LLC.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:61 9:1 12:1652 13:1 15:15
16:3 17:3 18:5 20:34 24:836 25:1
32:55 38:269 40:57 41:48 44:2 47:10
52:4 53:1 55:1 56:3 57:25 58:269
59:350 60:220 61:950 62:1057 63:1891 64:3196
65:2298 66:3123 67:683 68:656 69:1706 70:404
71:114 72:1044 74:116 75:48 76:13 80:816
81:780 82:641 83:391 84:489 85:741 86:414
87:431 88:259 89:671 90:2 91:96 97:1
121:84 122:42 123:3 124:472 125:740 128:309
129:219 130:131 131:318 132:48 133:9 134:177
135:41 136:180 137:114 138:188 139:49 140:528
141:135 142:346 143:215 144:255 145:67 146:323
147:140 148:365 149:172 150:110 151:118 152:88
153:117 154:5 155:247 156:148 157:150 158:167
159:141 160:98 161:87 162:218 163:159 164:237
165:237 166:243 167:279 168:472 169:123 170:385
171:12 172:1 189:28 190:289 192:5726 193:3615
194:2856 195:2168 196:916 198:3791 199:3283 200:4563
201:939 202:7021 203:7232 204:3952 205:2089 206:2424
207:2905 208:2351 209:3579 210:2244 211:863 212:1364
213:1479 214:388 215:39 216:4106 217:1156 218:336
219:259 220:817 221:382 222:254
End of report
Report Website: http://thyme.apnic.net
