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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Tue 05 Dec, 2006
Analysis Summary
----------------
BGP routing table entries examined: 204990
Prefixes after maximum aggregation: 111228
Unique aggregates announced to Internet: 99781
Total ASes present in the Internet Routing Table: 23822
Origin-only ASes present in the Internet Routing Table: 20755
Origin ASes announcing only one prefix: 10003
Transit ASes present in the Internet Routing Table: 3067
Transit-only ASes present in the Internet Routing Table: 77
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: 2
Unregistered ASNs in the Routing Table: 3
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1643374156
Equivalent to 97 /8s, 243 /16s and 230 /24s
Percentage of available address space announced: 44.3
Percentage of allocated address space announced: 62.9
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 104157
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 45377
Total APNIC prefixes after maximum aggregation: 18505
Prefixes being announced from the APNIC address blocks: 42937
Unique aggregates announced from the APNIC address blocks: 19017
APNIC Region origin ASes present in the Internet Routing Table: 2783
APNIC Region origin ASes announcing only one prefix: 787
APNIC Region transit ASes present in the Internet Routing Table: 415
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 271616480
Equivalent to 16 /8s, 48 /16s and 137 /24s
Percentage of available APNIC address space announced: 84.9
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: 101710
Total ARIN prefixes after maximum aggregation: 60207
Prefixes being announced from the ARIN address blocks: 74918
Unique aggregates announced from the ARIN address blocks: 28430
ARIN Region origin ASes present in the Internet Routing Table: 11198
ARIN Region origin ASes announcing only one prefix: 4257
ARIN Region transit ASes present in the Internet Routing Table: 1028
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 311452032
Equivalent to 18 /8s, 144 /16s and 97 /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, 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: 42208
Total RIPE prefixes after maximum aggregation: 27646
Prefixes being announced from the RIPE address blocks: 39058
Unique aggregates announced from the RIPE address blocks: 26046
RIPE Region origin ASes present in the Internet Routing Table: 8852
RIPE Region origin ASes announcing only one prefix: 4672
RIPE Region transit ASes present in the Internet Routing Table: 1430
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 279320708
Equivalent to 16 /8s, 166 /16s and 24 /24s
Percentage of available RIPE address space announced: 75.7
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: 13202
Total LACNIC prefixes after maximum aggregation: 3923
Prefixes being announced from the LACNIC address blocks: 11227
Unique aggregates announced from the LACNIC address blocks: 6860
LACNIC Region origin ASes present in the Internet Routing Table: 741
LACNIC Region origin ASes announcing only one prefix: 238
LACNIC Region transit ASes present in the Internet Routing Table: 135
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 35097632
Equivalent to 2 /8s, 23 /16s and 140 /24s
Percentage of available LACNIC address space announced: 52.3
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: 2491
Total AfriNIC prefixes after maximum aggregation: 947
Prefixes being announced from the AfriNIC address blocks: 1729
Unique aggregates announced from the AfriNIC address blocks: 1105
AfriNIC Region origin ASes present in the Internet Routing Table: 171
AfriNIC Region origin ASes announcing only one prefix: 49
AfriNIC Region transit ASes present in the Internet Routing Table: 28
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 4516608
Equivalent to 0 /8s, 68 /16s and 235 /24s
Percentage of available AfriNIC address space announced: 13.5
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 1233 8541 249 CHINANET-BACKBONE
4755 1046 384 69 Videsh Sanchar Nigam Ltd. Aut
9583 994 108 62 Sify Limited
9498 885 211 68 BHARTI BT INTERNET LTD.
23577 777 35 707 KRNIC
4766 744 4945 306 Korea Telecom (KIX)
1221 582 1698 446 Telstra Pty Ltd
17488 556 35 20 Hathway IP Over Cable Interne
7545 549 126 74 TPG Internet Pty Ltd
17676 501 10934 65 Softbank BB Corp.
18101 489 87 23 Reliance Infocom Ltd Internet
9443 442 111 74 Primus Telecommunications
9942 437 81 131 COMindico Australia
4812 430 753 65 China Telecom (Shanghai)
17849 423 36 126 Telecommunications Technology
4802 410 86 150 Wantree Development
17557 366 31 176 Pakistan Telecom
17974 360 129 12 PT TELEKOMUNIKASI INDONESIA
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 1556 6193 986 AT&T WorldNet Services
2386 1104 586 738 AT&T Data Communications Serv
4323 1046 805 297 Time Warner Telecom
6197 1020 628 498 BellSouth Network Solutions,
18566 979 272 8 Covad Communications
701 952 6707 773 UUNET Technologies, Inc.
174 944 6821 867 Cogent Communications
11492 840 98 14 Cable One
721 826 21905 298 DLA Systems Automation Center
1239 821 2729 573 Sprint
19262 786 2452 177 Verizon Global Networks
20115 770 688 412 Charter Communications
209 710 3765 560 Qwest
22773 710 1744 41 Cox Communications, Inc.
7011 692 213 431 Citizens Utilities
852 596 1091 389 Telus Advanced Communications
19916 567 48 57 OLM LLC
5668 549 161 19 CenturyTel Internet Holdings,
6198 549 527 256 BellSouth Network Solutions,
855 539 250 73 Canadian Research Network
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 547 1928 426 UUNET - Commercial IP service
3301 308 1199 292 TeliaNet Sweden
3320 297 4992 245 Deutsche Telekom AG
24863 291 44 26 LINKdotNET AS number
8220 273 472 263 COLT Telecommunications
6746 260 92 237 Dynamic Network Technologies,
680 250 2041 246 DFN-IP service G-WiN
9116 233 134 23 Goldenlines main autonomous s
8708 227 280 214 Romania Data Systems S.A.
3215 226 2068 98 France Telecom Transpac
1257 218 1073 172 SWIPnet Swedish IP Network
3246 209 370 199 Song Networks
3269 208 2357 75 TELECOM ITALIA
5416 204 13 13 BATELCO-BH
30890 202 18 82 SC Kappa Invexim SRL
8551 199 197 24 Bezeq International
6830 184 823 39 UPC Distribution Services
3300 177 171 95 AUCS Communications Services
3352 172 1751 30 Ibernet, Internet Access Netw
786 171 1779 171 The JANET IP Service
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 755 1916 218 UniNet S.A. de C.V.
11830 484 299 19 Instituto Costarricense de El
11172 384 104 78 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 254 16 13 Telefonica del Sur S.A.
7303 227 102 35 Telecom Argentina Stet-France
6147 205 148 23 Telefonica Del Peru
11556 204 101 6 Cable-Wireless Panama
10481 181 72 8 Prima S.A.
21826 150 20 39 INTERCABLE
23216 144 19 43 RAMtelecom Telecomunicaciones
7910 143 10 34 ANDINET ON LINE
19169 139 9 22 Telconet
19429 134 82 39 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
14259 116 10 13 GTD Internet S.A.
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 292 804 232 The Internet Solution
8452 220 60 7 TEDATA
15475 147 84 4 Nile Online
6713 145 136 12 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 110 6 4 EEPAD TISP TELECOM & INTERNET
2905 83 173 71 The Internetworking Company o
2561 57 6 2 Egyptian Universities Network
15706 55 12 4 Sudatel Internet Exchange Aut
5713 40 294 33 Telkom SA Ltd
12455 40 6 3 Jambonet Autonomous system
23889 35 10 14 MAURITIUS TELECOM
33774 35 12 22 AS Number for Telecom Algeria
16637 33 21 25 Johnnic e-Ventures
8524 31 2 5 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 1233 984 CHINANET-BACKBONE
4755 1046 977 Videsh Sanchar Nigam Ltd. Aut
18566 979 971 Covad Communications
9583 994 932 Sify Limited
11492 840 826 Cable One
9498 885 817 BHARTI BT INTERNET LTD.
4323 1046 749 Time Warner Telecom
22773 710 669 Cox Communications, Inc.
19262 786 609 Verizon Global Networks
8151 755 537 UniNet S.A. de C.V.
17488 556 536 Hathway IP Over Cable Interne
5668 549 530 CenturyTel Internet Holdings,
721 826 528 DLA Systems Automation Center
6197 1020 522 BellSouth Network Solutions,
19916 567 510 OLM LLC
7545 549 475 TPG Internet Pty Ltd
855 539 466 Canadian Research Network
18101 489 466 Reliance Infocom Ltd Internet
11830 484 465 Instituto Costarricense de El
15270 489 455 PaeTec.net -a division of Pae
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
64599 PRIVATE 64.200.115.0/24 32083 Omnispring
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
176.16.0.0/16 7908 Comsat Argentina S.A.
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 /12:112
/13:225 /14:400 /15:794 /16:9090 /17:3620 /18:5848
/19:12703 /20:14285 /21:12880 /22:16227 /23:17693 /24:109313
/25:647 /26:468 /27:366 /28:75 /29:46 /30:92
/31:1 /32:33
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 962 979 Covad Communications
7018 832 1556 AT&T WorldNet Services
11492 826 840 Cable One
2386 825 1104 AT&T Data Communications Serv
9583 825 994 Sify Limited
6197 798 1020 BellSouth Network Solutions,
23577 763 777 KRNIC
7011 597 692 Citizens Utilities
19916 562 567 OLM LLC
4766 555 744 Korea Telecom (KIX)
9498 546 885 BHARTI BT INTERNET LTD.
4755 469 1046 Videsh Sanchar Nigam Ltd. Aut
15270 459 489 PaeTec.net -a division of Pae
855 436 539 Canadian Research Network
5668 422 549 CenturyTel Internet Holdings,
18101 421 489 Reliance Infocom Ltd Internet
17849 409 423 Telecommunications Technology
1239 406 821 Sprint
6198 388 549 BellSouth Network Solutions,
33588 388 411 Bresnan Communications, LLC.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:67 9:1 12:1647 13:1 15:15
16:3 17:3 18:4 20:39 24:840 25:1
32:55 38:269 40:57 41:49 44:2 47:8
52:4 53:1 55:1 56:3 57:24 58:267
59:345 60:203 61:950 62:1058 63:1880 64:3176
65:2285 66:3100 67:675 68:657 69:1704 70:395
71:113 72:1021 74:112 75:34 76:14 80:815
81:761 82:648 83:372 84:485 85:715 86:420
87:446 88:280 89:644 90:1 91:103 97:1
121:77 122:33 123:3 124:478 125:739 128:312
129:206 130:126 131:320 132:48 133:9 134:178
135:41 136:180 137:115 138:188 139:48 140:520
141:135 142:346 143:210 144:252 145:67 146:324
147:139 148:328 149:172 150:109 151:118 152:81
153:111 154:5 155:262 156:148 157:163 158:166
159:139 160:98 161:87 162:218 163:162 164:238
165:232 166:242 167:275 168:488 169:124 170:395
171:12 172:1 189:12 190:318 192:5729 193:3589
194:2834 195:2160 196:907 198:3789 199:3292 200:4503
201:909 202:6988 203:7186 204:3947 205:2097 206:2387
207:2910 208:2331 209:3559 210:2224 211:860 212:1372
213:1461 214:383 215:39 216:4110 217:1152 218:335
219:251 220:816 221:367 222:245
End of report
Report Website: http://thyme.apnic.net
