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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Wed 06 Dec, 2006
Analysis Summary
----------------
BGP routing table entries examined: 205477
Prefixes after maximum aggregation: 111321
Unique aggregates announced to Internet: 99873
Total ASes present in the Internet Routing Table: 23842
Origin-only ASes present in the Internet Routing Table: 20774
Origin ASes announcing only one prefix: 10014
Transit ASes present in the Internet Routing Table: 3068
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: 8
Number of addresses announced to Internet: 1644164140
Equivalent to 97 /8s, 255 /16s and 244 /24s
Percentage of available address space announced: 44.4
Percentage of allocated address space announced: 62.9
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 104372
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 45483
Total APNIC prefixes after maximum aggregation: 18502
Prefixes being announced from the APNIC address blocks: 43062
Unique aggregates announced from the APNIC address blocks: 19025
APNIC Region origin ASes present in the Internet Routing Table: 2787
APNIC Region origin ASes announcing only one prefix: 786
APNIC Region transit ASes present in the Internet Routing Table: 414
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 271541728
Equivalent to 16 /8s, 47 /16s and 101 /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: 101849
Total ARIN prefixes after maximum aggregation: 60230
Prefixes being announced from the ARIN address blocks: 74989
Unique aggregates announced from the ARIN address blocks: 28435
ARIN Region origin ASes present in the Internet Routing Table: 11201
ARIN Region origin ASes announcing only one prefix: 4262
ARIN Region transit ASes present in the Internet Routing Table: 1032
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 311453440
Equivalent to 18 /8s, 144 /16s and 103 /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: 42216
Total RIPE prefixes after maximum aggregation: 27656
Prefixes being announced from the RIPE address blocks: 39073
Unique aggregates announced from the RIPE address blocks: 26043
RIPE Region origin ASes present in the Internet Routing Table: 8856
RIPE Region origin ASes announcing only one prefix: 4674
RIPE Region transit ASes present in the Internet Routing Table: 1425
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 279806468
Equivalent to 16 /8s, 173 /16s and 130 /24s
Percentage of available RIPE address space announced: 75.8
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: 13443
Total LACNIC prefixes after maximum aggregation: 3988
Prefixes being announced from the LACNIC address blocks: 11414
Unique aggregates announced from the LACNIC address blocks: 6926
LACNIC Region origin ASes present in the Internet Routing Table: 751
LACNIC Region origin ASes announcing only one prefix: 244
LACNIC Region transit ASes present in the Internet Routing Table: 136
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 35221760
Equivalent to 2 /8s, 25 /16s and 113 /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: 2484
Total AfriNIC prefixes after maximum aggregation: 945
Prefixes being announced from the AfriNIC address blocks: 1728
Unique aggregates announced from the AfriNIC address blocks: 1105
AfriNIC Region origin ASes present in the Internet Routing Table: 170
AfriNIC Region origin ASes announcing only one prefix: 48
AfriNIC Region transit ASes present in the Internet Routing Table: 29
Average AfriNIC Region AS path length visible: 3.6
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 4514816
Equivalent to 0 /8s, 68 /16s and 228 /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 1045 384 69 Videsh Sanchar Nigam Ltd. Aut
9583 990 108 62 Sify Limited
9498 890 212 62 BHARTI BT INTERNET LTD.
23577 777 35 707 KRNIC
4766 744 4945 306 Korea Telecom (KIX)
1221 583 1698 447 Telstra Pty Ltd
17488 556 35 20 Hathway IP Over Cable Interne
7545 550 126 73 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
4812 430 753 65 China Telecom (Shanghai)
17849 423 36 126 Telecommunications Technology
4802 410 86 150 Wantree Development
17974 375 129 12 PT TELEKOMUNIKASI INDONESIA
9942 372 73 124 COMindico Australia
17557 366 31 176 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 1554 6193 984 AT&T WorldNet Services
2386 1112 586 739 AT&T Data Communications Serv
4323 1059 805 298 Time Warner Telecom
6197 1019 628 498 BellSouth Network Solutions,
18566 980 272 8 Covad Communications
701 952 6707 768 UUNET Technologies, Inc.
174 943 6821 866 Cogent Communications
11492 842 98 11 Cable One
721 828 21905 297 DLA Systems Automation Center
1239 823 2730 575 Sprint
19262 786 2452 177 Verizon Global Networks
20115 770 688 412 Charter Communications
209 713 3766 563 Qwest
22773 712 1744 41 Cox Communications, Inc.
7011 693 213 432 Citizens Utilities
852 595 1090 388 Telus Advanced Communications
19916 567 48 57 OLM LLC
5668 550 161 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 309 1199 293 TeliaNet Sweden
3320 297 4992 245 Deutsche Telekom AG
24863 291 44 26 LINKdotNET AS number
8220 274 472 262 COLT Telecommunications
6746 257 92 234 Dynamic Network Technologies,
680 250 2041 246 DFN-IP service G-WiN
9116 232 134 23 Goldenlines main autonomous s
3215 228 2100 99 France Telecom Transpac
8708 228 281 215 Romania Data Systems S.A.
1257 219 1073 172 SWIPnet Swedish IP Network
3269 208 2357 75 TELECOM ITALIA
3246 207 369 197 Song Networks
5416 204 13 13 BATELCO-BH
30890 204 18 84 SC Kappa Invexim SRL
8551 200 198 23 Bezeq International
6830 184 823 39 UPC Distribution Services
3300 177 171 95 AUCS Communications Services
786 172 1795 172 The JANET IP Service
3352 172 1751 30 Ibernet, Internet Access Netw
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 759 1922 208 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 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 207 170 93 AVANTEL, S.A.
6147 206 148 23 Telefonica Del Peru
11556 204 101 6 Cable-Wireless Panama
10481 181 72 8 Prima S.A.
21826 150 20 39 INTERCABLE
7910 144 10 31 ANDINET ON LINE
23216 144 19 43 RAMtelecom Telecomunicaciones
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 289 804 232 The Internet Solution
8452 215 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 1045 976 Videsh Sanchar Nigam Ltd. Aut
18566 980 972 Covad Communications
9583 990 928 Sify Limited
11492 842 831 Cable One
9498 890 828 BHARTI BT INTERNET LTD.
4323 1059 761 Time Warner Telecom
22773 712 671 Cox Communications, Inc.
19262 786 609 Verizon Global Networks
8151 759 551 UniNet S.A. de C.V.
17488 556 536 Hathway IP Over Cable Interne
721 828 531 DLA Systems Automation Center
5668 550 531 CenturyTel Internet Holdings,
6197 1019 521 BellSouth Network Solutions,
19916 567 510 OLM LLC
7545 550 477 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
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 /14:401 /15:795 /16:9098 /17:3633 /18:5850
/19:12707 /20:14320 /21:12932 /22:16235 /23:17742 /24:109618
/25:651 /26:470 /27:369 /28:76 /29:46 /30:92
/31:0 /32:33
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 963 980 Covad Communications
7018 832 1554 AT&T WorldNet Services
2386 829 1112 AT&T Data Communications Serv
11492 828 842 Cable One
9583 821 990 Sify Limited
6197 797 1019 BellSouth Network Solutions,
23577 763 777 KRNIC
7011 598 693 Citizens Utilities
19916 562 567 OLM LLC
4766 555 744 Korea Telecom (KIX)
9498 545 890 BHARTI BT INTERNET LTD.
4755 468 1045 Videsh Sanchar Nigam Ltd. Aut
15270 459 489 PaeTec.net -a division of Pae
855 436 539 Canadian Research Network
5668 423 550 CenturyTel Internet Holdings,
18101 421 489 Reliance Infocom Ltd Internet
17849 409 423 Telecommunications Technology
1239 406 823 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 12:1650 13:1 15:15
16:3 17:3 18:4 20:39 24:838 25:1
32:55 38:267 40:57 41:52 44:2 47:8
52:4 53:1 55:1 56:3 57:24 58:268
59:345 60:218 61:951 62:1060 63:1886 64:3194
65:2287 66:3105 67:674 68:657 69:1710 70:395
71:114 72:1022 74:113 75:34 76:15 80:814
81:759 82:648 83:382 84:481 85:716 86:420
87:443 88:281 89:647 90:1 91:101 97:1
121:77 122:35 123:3 124:473 125:738 128:311
129:206 130:126 131:321 132:48 133:9 134:177
135:41 136:180 137:115 138:189 139:51 140:522
141:134 142:346 143:213 144:254 145:67 146:329
147:139 148:362 149:172 150:109 151:118 152:82
153:113 154:5 155:262 156:148 157:163 158:166
159:139 160:98 161:87 162:223 163:163 164:237
165:236 166:243 167:278 168:488 169:124 170:395
171:12 189:13 190:318 192:5739 193:3600 194:2839
195:2162 196:904 198:3785 199:3287 200:4595 201:931
202:7015 203:7234 204:3954 205:2095 206:2383 207:2914
208:2336 209:3564 210:2227 211:861 212:1351 213:1462
214:386 215:39 216:4117 217:1147 218:338 219:253
220:780 221:365 222:250
End of report
Report Website: http://thyme.apnic.net
