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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Fri 01 Dec, 2006
Analysis Summary
----------------
BGP routing table entries examined: 205165
Prefixes after maximum aggregation: 111320
Unique aggregates announced to Internet: 100173
Total ASes present in the Internet Routing Table: 23821
Origin-only ASes present in the Internet Routing Table: 20758
Origin ASes announcing only one prefix: 10009
Transit ASes present in the Internet Routing Table: 3063
Transit-only ASes present in the Internet Routing Table: 80
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: 6
Unregistered ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 8
Number of addresses announced to Internet: 1642790572
Equivalent to 97 /8s, 234 /16s and 254 /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: 104219
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 45387
Total APNIC prefixes after maximum aggregation: 18608
Prefixes being announced from the APNIC address blocks: 42944
Unique aggregates announced from the APNIC address blocks: 19393
APNIC Region origin ASes present in the Internet Routing Table: 2776
APNIC Region origin ASes announcing only one prefix: 781
APNIC Region transit ASes present in the Internet Routing Table: 413
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 270749408
Equivalent to 16 /8s, 35 /16s and 78 /24s
Percentage of available APNIC address space announced: 84.7
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: 101775
Total ARIN prefixes after maximum aggregation: 60184
Prefixes being announced from the ARIN address blocks: 74945
Unique aggregates announced from the ARIN address blocks: 28466
ARIN Region origin ASes present in the Internet Routing Table: 11192
ARIN Region origin ASes announcing only one prefix: 4253
ARIN Region transit ASes present in the Internet Routing Table: 1027
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 311177216
Equivalent to 18 /8s, 140 /16s and 48 /24s
Percentage of available ARIN address space announced: 68.7
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: 42109
Total RIPE prefixes after maximum aggregation: 27611
Prefixes being announced from the RIPE address blocks: 38979
Unique aggregates announced from the RIPE address blocks: 26007
RIPE Region origin ASes present in the Internet Routing Table: 8851
RIPE Region origin ASes announcing only one prefix: 4684
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: 15
Number of RIPE addresses announced to Internet: 279048836
Equivalent to 16 /8s, 161 /16s and 242 /24s
Percentage of available RIPE address space announced: 75.6
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: 13416
Total LACNIC prefixes after maximum aggregation: 3976
Prefixes being announced from the LACNIC address blocks: 11398
Unique aggregates announced from the LACNIC address blocks: 6875
LACNIC Region origin ASes present in the Internet Routing Table: 750
LACNIC Region origin ASes announcing only one prefix: 241
LACNIC Region transit ASes present in the Internet Routing Table: 134
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 21
Number of LACNIC addresses announced to Internet: 35220224
Equivalent to 2 /8s, 25 /16s and 107 /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: 2472
Total AfriNIC prefixes after maximum aggregation: 941
Prefixes being announced from the AfriNIC address blocks: 1704
Unique aggregates announced from the AfriNIC address blocks: 1077
AfriNIC Region origin ASes present in the Internet Routing Table: 172
AfriNIC Region origin ASes announcing only one prefix: 50
AfriNIC Region transit ASes present in the Internet Routing Table: 27
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 4490752
Equivalent to 0 /8s, 68 /16s and 134 /24s
Percentage of available AfriNIC address space announced: 13.4
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 1231 8525 248 CHINANET-BACKBONE
4755 1044 384 69 Videsh Sanchar Nigam Ltd. Aut
9583 985 95 177 Sify Limited
9498 892 212 61 BHARTI BT INTERNET LTD.
23577 778 35 708 KRNIC
4766 744 4945 306 Korea Telecom (KIX)
1221 582 1698 447 Telstra Pty Ltd
17488 556 35 20 Hathway IP Over Cable Interne
7545 545 126 71 TPG Internet Pty Ltd
17676 501 10934 65 Softbank BB Corp.
18101 488 87 23 Reliance Infocom Ltd Internet
9443 442 111 74 Primus Telecommunications
9942 437 81 131 COMindico Australia
4812 427 749 67 China Telecom (Shanghai)
17849 423 36 126 Telecommunications Technology
4802 410 86 150 Wantree Development
17974 369 129 12 PT TELEKOMUNIKASI INDONESIA
17557 365 32 176 Pakistan Telecom
2907 332 1749 309 SINET Japan
4837 325 3652 141 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1557 6210 990 AT&T WorldNet Services
2386 1105 570 734 AT&T Data Communications Serv
4323 1045 805 297 Time Warner Telecom
6197 1021 629 497 BellSouth Network Solutions,
18566 979 272 8 Covad Communications
701 949 6707 771 UUNET Technologies, Inc.
174 943 6821 866 Cogent Communications
11492 829 98 15 Cable One
721 828 21921 299 DLA Systems Automation Center
1239 823 2730 575 Sprint
19262 786 2452 177 Verizon Global Networks
20115 770 688 412 Charter Communications
209 714 3765 559 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
6198 549 527 256 BellSouth Network Solutions,
5668 548 161 19 CenturyTel Internet Holdings,
855 539 250 73 Canadian Research Network
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 546 1928 425 UUNET - Commercial IP service
3301 309 1215 293 TeliaNet Sweden
3320 298 4992 246 Deutsche Telekom AG
24863 287 44 27 LINKdotNET AS number
8220 272 472 262 COLT Telecommunications
6746 260 92 237 Dynamic Network Technologies,
680 250 2041 246 DFN-IP service G-WiN
9116 231 134 23 Goldenlines main autonomous s
8708 228 282 214 Romania Data Systems S.A.
3215 223 2020 96 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 757 1921 210 UniNet S.A. de C.V.
11830 483 299 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 226 101 37 Telecom Argentina Stet-France
6147 209 148 23 Telefonica Del Peru
6503 207 170 93 AVANTEL, S.A.
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 143 19 43 RAMtelecom Telecomunicaciones
19169 139 9 22 Telconet
19429 136 84 34 E.T.B.
14522 131 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 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 56 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 34 8 21 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
21280 24 4 4 Swift Global Kenya Ltd.Is an
10798 23 1 14 Standard Bank of South Africa
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1231 983 CHINANET-BACKBONE
4755 1044 975 Videsh Sanchar Nigam Ltd. Aut
18566 979 971 Covad Communications
9498 892 831 BHARTI BT INTERNET LTD.
11492 829 814 Cable One
9583 985 808 Sify Limited
4323 1045 748 Time Warner Telecom
22773 710 669 Cox Communications, Inc.
19262 786 609 Verizon Global Networks
8151 757 547 UniNet S.A. de C.V.
17488 556 536 Hathway IP Over Cable Interne
721 828 529 DLA Systems Automation Center
5668 548 529 CenturyTel Internet Holdings,
6197 1021 524 BellSouth Network Solutions,
19916 567 510 OLM LLC
7545 545 474 TPG Internet Pty Ltd
855 539 466 Canadian Research Network
18101 488 465 Reliance Infocom Ltd Internet
11830 483 464 Instituto Costarricense de El
15270 488 454 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
64512 PRIVATE 72.14.21.0/24 26446 FASTFREEDOM
64515 PRIVATE 72.14.22.0/24 26446 FASTFREEDOM
64516 PRIVATE 72.14.23.0/24 26446 FASTFREEDOM
65124 PRIVATE 193.110.52.0/24 24652 Juniper Networks, Eu
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
198.18.0.0/15 8895 KACST/ISU Riyadh Autonomous S
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
192.44.0.0/24 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 /12:111
/13:222 /14:399 /15:798 /16:9123 /17:3626 /18:5834
/19:12674 /20:14281 /21:12889 /22:16279 /23:17705 /24:109431
/25:646 /26:465 /27:371 /28:76 /29:44 /30:88
/31:0 /32:31
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 962 979 Covad Communications
2386 827 1105 AT&T Data Communications Serv
7018 824 1557 AT&T WorldNet Services
9583 819 985 Sify Limited
11492 815 829 Cable One
6197 799 1021 BellSouth Network Solutions,
23577 764 778 KRNIC
7011 597 692 Citizens Utilities
19916 562 567 OLM LLC
4766 555 744 Korea Telecom (KIX)
9498 546 892 BHARTI BT INTERNET LTD.
4755 467 1044 Videsh Sanchar Nigam Ltd. Aut
15270 458 488 PaeTec.net -a division of Pae
855 436 539 Canadian Research Network
5668 423 548 CenturyTel Internet Holdings,
18101 420 488 Reliance Infocom Ltd Internet
17849 409 423 Telecommunications Technology
1239 408 823 Sprint
6198 388 549 BellSouth Network Solutions,
33588 388 411 Bresnan Communications, LLC.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:66 9:1 12:1649 13:1 15:15
16:3 17:3 18:4 20:39 24:836 25:1
32:56 38:269 40:57 41:32 44:2 47:8
52:4 53:1 55:1 56:3 57:24 58:269
59:339 60:201 61:949 62:1060 63:1881 64:3173
65:2292 66:3117 67:674 68:658 69:1715 70:395
71:113 72:1017 74:112 75:34 76:14 80:816
81:759 82:641 83:371 84:481 85:753 86:420
87:428 88:278 89:635 90:1 91:100 97:1
121:74 122:32 123:3 124:470 125:732 128:309
129:205 130:126 131:324 132:48 133:9 134:177
135:42 136:179 137:116 138:187 139:48 140:525
141:135 142:346 143:212 144:253 145:67 146:324
147:139 148:363 149:172 150:109 151:118 152:82
153:120 154:5 155:262 156:148 157:163 158:166
159:139 160:98 161:87 162:217 163:162 164:238
165:236 166:244 167:273 168:487 169:124 170:394
171:12 172:1 189:13 190:310 192:5738 193:3587
194:2842 195:2155 196:907 198:3788 199:3289 200:4599
201:928 202:6971 203:7183 204:3948 205:2096 206:2416
207:2913 208:2332 209:3554 210:2199 211:862 212:1358
213:1465 214:380 215:39 216:4102 217:1157 218:335
219:250 220:815 221:367 222:250
End of report
Report Website: http://thyme.apnic.net
