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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Sun 17 Dec, 2006
Analysis Summary
----------------
BGP routing table entries examined: 206094
Prefixes after maximum aggregation: 111876
Unique aggregates announced to Internet: 100559
Total ASes present in the Internet Routing Table: 23919
Origin-only ASes present in the Internet Routing Table: 20853
Origin ASes announcing only one prefix: 10038
Transit ASes present in the Internet Routing Table: 3066
Transit-only ASes present in the Internet Routing Table: 74
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: 1646157612
Equivalent to 98 /8s, 30 /16s and 95 /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: 104808
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 45810
Total APNIC prefixes after maximum aggregation: 18719
Prefixes being announced from the APNIC address blocks: 43377
Unique aggregates announced from the APNIC address blocks: 19450
APNIC Region origin ASes present in the Internet Routing Table: 2800
APNIC Region origin ASes announcing only one prefix: 784
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: 272161504
Equivalent to 16 /8s, 56 /16s and 218 /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: 101814
Total ARIN prefixes after maximum aggregation: 60340
Prefixes being announced from the ARIN address blocks: 74925
Unique aggregates announced from the ARIN address blocks: 28535
ARIN Region origin ASes present in the Internet Routing Table: 11211
ARIN Region origin ASes announcing only one prefix: 4270
ARIN Region transit ASes present in the Internet Routing Table: 1025
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 310800512
Equivalent to 18 /8s, 134 /16s and 112 /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: 42611
Total RIPE prefixes after maximum aggregation: 27870
Prefixes being announced from the RIPE address blocks: 39441
Unique aggregates announced from the RIPE address blocks: 26103
RIPE Region origin ASes present in the Internet Routing Table: 8912
RIPE Region origin ASes announcing only one prefix: 4686
RIPE Region transit ASes present in the Internet Routing Table: 1429
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 281506436
Equivalent to 16 /8s, 199 /16s and 114 /24s
Percentage of available RIPE address space announced: 76.3
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: 13345
Total LACNIC prefixes after maximum aggregation: 3994
Prefixes being announced from the LACNIC address blocks: 11400
Unique aggregates announced from the LACNIC address blocks: 7010
LACNIC Region origin ASes present in the Internet Routing Table: 751
LACNIC Region origin ASes announcing only one prefix: 247
LACNIC Region transit ASes present in the Internet Routing Table: 135
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 35438592
Equivalent to 2 /8s, 28 /16s and 192 /24s
Percentage of available LACNIC address space announced: 52.8
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: 2513
Total AfriNIC prefixes after maximum aggregation: 953
Prefixes being announced from the AfriNIC address blocks: 1756
Unique aggregates announced from the AfriNIC address blocks: 1127
AfriNIC Region origin ASes present in the Internet Routing Table: 171
AfriNIC Region origin ASes announcing only one prefix: 51
AfriNIC Region transit ASes present in the Internet Routing Table: 29
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 4792064
Equivalent to 0 /8s, 73 /16s and 31 /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 1243 8592 251 CHINANET-BACKBONE
4755 1051 384 69 Videsh Sanchar Nigam Ltd. Aut
9583 1030 96 147 Sify Limited
9498 900 212 65 BHARTI BT INTERNET LTD.
23577 770 34 701 KRNIC
4766 747 4946 307 Korea Telecom (KIX)
1221 575 1698 444 Telstra Pty Ltd
17488 556 35 20 Hathway IP Over Cable Interne
7545 553 126 74 TPG Internet Pty Ltd
17676 503 10935 66 Softbank BB Corp.
18101 480 87 22 Reliance Infocom Ltd Internet
9443 442 111 74 Primus Telecommunications
4812 435 758 69 China Telecom (Shanghai)
9942 435 81 130 COMindico Australia
17849 411 36 126 Telecommunications Technology
4802 405 86 146 Wantree Development
17557 370 36 178 Pakistan Telecom
17974 364 129 12 PT TELEKOMUNIKASI INDONESIA
2907 331 1748 308 SINET Japan
4837 329 3847 145 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1536 6174 997 AT&T WorldNet Services
2386 1108 586 733 AT&T Data Communications Serv
4323 1057 820 299 Time Warner Telecom
6197 1020 638 505 BellSouth Network Solutions,
18566 984 272 8 Covad Communications
174 959 6823 875 Cogent Communications
701 942 6691 760 UUNET Technologies, Inc.
1239 827 2730 579 Sprint
11492 826 98 12 Cable One
19262 788 2480 182 Verizon Global Networks
721 785 21885 291 DLA Systems Automation Center
20115 766 666 405 Charter Communications
209 712 3763 562 Qwest
22773 706 1744 40 Cox Communications, Inc.
7011 695 211 431 Citizens Utilities
852 603 1092 391 Telus Advanced Communications
19916 567 48 57 OLM LLC
6198 550 535 257 BellSouth Network Solutions,
5668 546 161 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
702 546 1912 425 UUNET - Commercial IP service
3301 309 1199 293 TeliaNet Sweden
3320 296 4992 244 Deutsche Telekom AG
24863 293 44 26 LINKdotNET AS number
8220 272 474 262 COLT Telecommunications
6746 263 93 241 Dynamic Network Technologies,
680 252 2041 248 DFN-IP service G-WiN
9116 231 134 23 Goldenlines main autonomous s
3215 230 2104 96 France Telecom Transpac
8708 228 281 215 Romania Data Systems S.A.
1257 218 1069 171 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 179 171 97 AUCS Communications Services
6830 175 695 38 UPC Distribution Services
3352 174 1751 30 Ibernet, Internet Access Netw
786 172 1795 172 The JANET IP Service
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 775 1937 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 258 74 31 ENTEL CHILE S.A.
14117 258 16 13 Telefonica del Sur S.A.
7303 227 102 35 Telecom Argentina Stet-France
6503 217 170 94 AVANTEL, S.A.
6147 209 150 20 Telefonica Del Peru
11556 204 101 6 Cable-Wireless Panama
10481 181 72 8 Prima S.A.
21826 156 20 35 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
7738 116 442 21 Telecomunicacoes da Bahia S.A
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 50 13 18 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 1243 992 CHINANET-BACKBONE
4755 1051 982 Videsh Sanchar Nigam Ltd. Aut
18566 984 976 Covad Communications
9583 1030 883 Sify Limited
9498 900 835 BHARTI BT INTERNET LTD.
11492 826 814 Cable One
4323 1057 758 Time Warner Telecom
22773 706 666 Cox Communications, Inc.
19262 788 606 Verizon Global Networks
8151 775 569 UniNet S.A. de C.V.
17488 556 536 Hathway IP Over Cable Interne
5668 546 527 CenturyTel Internet Holdings,
6197 1020 515 BellSouth Network Solutions,
19916 567 510 OLM LLC
721 785 494 DLA Systems Automation Center
7545 553 479 TPG Internet Pty Ltd
855 538 465 Canadian Research Network
11830 484 465 Instituto Costarricense de El
15270 494 460 PaeTec.net -a division of Pae
18101 480 458 Reliance Infocom Ltd Internet
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 /14:404 /15:799 /16:9084 /17:3629 /18:5868
/19:12769 /20:14418 /21:12834 /22:16331 /23:17836 /24:110026
/25:630 /26:467 /27:362 /28:72 /29:44 /30:86
/31:0 /32:23
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 967 984 Covad Communications
9583 862 1030 Sify Limited
2386 825 1108 AT&T Data Communications Serv
7018 824 1536 AT&T WorldNet Services
11492 812 826 Cable One
6197 796 1020 BellSouth Network Solutions,
23577 756 770 KRNIC
7011 600 695 Citizens Utilities
19916 562 567 OLM LLC
4766 556 747 Korea Telecom (KIX)
9498 554 900 BHARTI BT INTERNET LTD.
4755 470 1051 Videsh Sanchar Nigam Ltd. Aut
15270 464 494 PaeTec.net -a division of Pae
855 435 538 Canadian Research Network
5668 420 546 CenturyTel Internet Holdings,
18101 414 480 Reliance Infocom Ltd Internet
1239 408 827 Sprint
17849 397 411 Telecommunications Technology
33588 392 415 Bresnan Communications, LLC.
6198 388 550 BellSouth Network Solutions,
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:61 9:1 12:1645 13:1 15:15
16:3 17:3 18:5 20:34 24:833 25:1
32:55 38:269 40:57 41:49 44:2 47:10
52:4 53:1 55:1 56:3 57:25 58:269
59:354 60:225 61:973 62:1048 63:1890 64:3181
65:2289 66:3133 67:683 68:653 69:1708 70:404
71:114 72:1052 74:117 75:49 76:13 80:817
81:767 82:655 83:390 84:487 85:759 86:413
87:435 88:249 89:676 90:2 91:99 97:1
121:98 122:42 123:3 124:491 125:725 128:432
129:219 130:131 131:317 132:48 133:9 134:177
135:42 136:173 137:109 138:189 139:50 140:527
141:135 142:347 143:212 144:255 145:67 146:320
147:141 148:370 149:171 150:110 151:118 152:88
153:117 154:5 155:246 156:145 157:151 158:167
159:141 160:99 161:88 162:224 163:155 164:238
165:236 166:243 167:274 168:478 169:123 170:387
171:12 172:1 189:29 190:301 192:5724 193:3617
194:2856 195:2155 196:922 198:3765 199:3274 200:4572
201:945 202:7061 203:7239 204:3942 205:2091 206:2418
207:2902 208:2358 209:3583 210:2229 211:873 212:1343
213:1471 214:380 215:39 216:4090 217:1155 218:340
219:263 220:812 221:385 222:254
End of report
Report Website: http://thyme.apnic.net
