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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Sun 31 Dec, 2006
Analysis Summary
----------------
BGP routing table entries examined: 206320
Prefixes after maximum aggregation: 111954
Unique aggregates announced to Internet: 100782
Total ASes present in the Internet Routing Table: 24016
Origin-only ASes present in the Internet Routing Table: 20934
Origin ASes announcing only one prefix: 10105
Transit ASes present in the Internet Routing Table: 3082
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: 32
Max AS path prepend of ASN (20858) 18
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: 1650902860
Equivalent to 98 /8s, 102 /16s and 199 /24s
Percentage of available address space announced: 44.5
Percentage of allocated address space announced: 63.2
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 105044
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 45625
Total APNIC prefixes after maximum aggregation: 18547
Prefixes being announced from the APNIC address blocks: 43207
Unique aggregates announced from the APNIC address blocks: 19016
APNIC Region origin ASes present in the Internet Routing Table: 2798
APNIC Region origin ASes announcing only one prefix: 790
APNIC Region transit ASes present in the Internet Routing Table: 416
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 273238240
Equivalent to 16 /8s, 73 /16s and 72 /24s
Percentage of available APNIC address space announced: 85.4
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: 102019
Total ARIN prefixes after maximum aggregation: 60481
Prefixes being announced from the ARIN address blocks: 75242
Unique aggregates announced from the ARIN address blocks: 28711
ARIN Region origin ASes present in the Internet Routing Table: 11247
ARIN Region origin ASes announcing only one prefix: 4297
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: 21
Number of ARIN addresses announced to Internet: 311408256
Equivalent to 18 /8s, 143 /16s and 182 /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: 42720
Total RIPE prefixes after maximum aggregation: 27998
Prefixes being announced from the RIPE address blocks: 39519
Unique aggregates announced from the RIPE address blocks: 26450
RIPE Region origin ASes present in the Internet Routing Table: 8969
RIPE Region origin ASes announcing only one prefix: 4713
RIPE Region transit ASes present in the Internet Routing Table: 1439
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 32
Number of RIPE addresses announced to Internet: 283346084
Equivalent to 16 /8s, 227 /16s and 132 /24s
Percentage of available RIPE address space announced: 76.8
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: 13422
Total LACNIC prefixes after maximum aggregation: 3986
Prefixes being announced from the LACNIC address blocks: 11508
Unique aggregates announced from the LACNIC address blocks: 7105
LACNIC Region origin ASes present in the Internet Routing Table: 754
LACNIC Region origin ASes announcing only one prefix: 253
LACNIC Region transit ASes present in the Internet Routing Table: 133
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 35981568
Equivalent to 2 /8s, 37 /16s and 9 /24s
Percentage of available LACNIC address space announced: 53.6
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: 2532
Total AfriNIC prefixes after maximum aggregation: 942
Prefixes being announced from the AfriNIC address blocks: 1778
Unique aggregates announced from the AfriNIC address blocks: 1126
AfriNIC Region origin ASes present in the Internet Routing Table: 171
AfriNIC Region origin ASes announcing only one prefix: 52
AfriNIC Region transit ASes present in the Internet Routing Table: 31
Average AfriNIC Region AS path length visible: 3.6
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 5324288
Equivalent to 0 /8s, 81 /16s and 62 /24s
Percentage of available AfriNIC address space announced: 15.9
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 1258 8637 264 CHINANET-BACKBONE
9583 1044 109 16 Sify Limited
4755 1041 384 68 Videsh Sanchar Nigam Ltd. Aut
9498 897 211 63 BHARTI BT INTERNET LTD.
23577 769 34 698 KRNIC
4766 758 4946 312 Korea Telecom (KIX)
1221 575 1714 445 Telstra Pty Ltd
17488 565 35 21 Hathway IP Over Cable Interne
7545 555 126 74 TPG Internet Pty Ltd
17676 503 10935 66 Softbank BB Corp.
18101 493 87 29 Reliance Infocom Ltd Internet
9443 442 111 74 Primus Telecommunications
9942 439 81 132 COMindico Australia
4812 437 759 69 China Telecom (Shanghai)
17849 411 36 126 Telecommunications Technology
4802 408 86 149 Wantree Development
17557 368 35 171 Pakistan Telecom
17974 336 118 25 PT TELEKOMUNIKASI INDONESIA
2907 332 1749 309 SINET Japan
4837 332 3943 145 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1541 6159 1001 AT&T WorldNet Services
2386 1109 586 734 AT&T Data Communications Serv
4323 1057 820 299 Time Warner Telecom
6197 1021 638 500 BellSouth Network Solutions,
18566 983 272 8 Covad Communications
174 957 6791 871 Cogent Communications
701 935 6691 758 UUNET Technologies, Inc.
11492 865 98 13 Cable One
1239 821 2729 577 Sprint
19262 804 2496 181 Verizon Global Networks
721 779 21901 293 DLA Systems Automation Center
20115 767 667 406 Charter Communications
209 717 3763 565 Qwest
22773 711 1744 40 Cox Communications, Inc.
7011 686 211 431 Citizens Utilities
852 603 1092 391 Telus Advanced Communications
19916 567 48 57 OLM LLC
5668 550 161 19 CenturyTel Internet Holdings,
6198 549 535 257 BellSouth Network Solutions,
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 310 1199 292 TeliaNet Sweden
3320 300 4994 248 Deutsche Telekom AG
24863 294 44 26 LINKdotNET AS number
8220 272 474 263 COLT Telecommunications
6746 264 93 242 Dynamic Network Technologies,
680 253 2041 248 DFN-IP service G-WiN
8708 231 282 218 Romania Data Systems S.A.
9116 231 134 23 Goldenlines main autonomous s
3215 230 2104 96 France Telecom Transpac
1257 214 1069 171 SWIPnet Swedish IP Network
3269 210 2373 73 TELECOM ITALIA
30890 208 19 90 SC Kappa Invexim SRL
5416 206 13 9 BATELCO-BH
3246 202 353 192 Song Networks
8551 198 197 24 Bezeq International
3300 179 171 96 AUCS Communications Services
3352 175 1767 31 Ibernet, Internet Access Netw
12479 175 578 6 Uni2 Autonomous System
786 170 1779 170 The JANET IP Service
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 815 2000 201 UniNet S.A. de C.V.
11830 483 299 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.
14117 258 16 13 Telefonica del Sur S.A.
6471 257 74 31 ENTEL CHILE S.A.
7303 226 101 38 Telecom Argentina Stet-France
6147 224 182 20 Telefonica Del Peru
6503 216 170 93 AVANTEL, S.A.
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 230 60 7 TEDATA
15475 147 84 4 Nile Online
6713 144 135 11 Itissalat Al-MAGHRIB
2018 136 297 111 Tertiary Education Network
5536 124 8 11 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 60 6 2 Egyptian Universities Network
15706 55 12 4 Sudatel Internet Exchange Aut
23889 55 13 15 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
33776 27 2 5 Starcomms Nigeria Limited
10798 23 1 14 Standard Bank of South Africa
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
9583 1044 1028 Sify Limited
4134 1258 994 CHINANET-BACKBONE
18566 983 975 Covad Communications
4755 1041 973 Videsh Sanchar Nigam Ltd. Aut
11492 865 852 Cable One
9498 897 834 BHARTI BT INTERNET LTD.
4323 1057 758 Time Warner Telecom
22773 711 671 Cox Communications, Inc.
19262 804 623 Verizon Global Networks
8151 815 614 UniNet S.A. de C.V.
17488 565 544 Hathway IP Over Cable Interne
5668 550 531 CenturyTel Internet Holdings,
6197 1021 521 BellSouth Network Solutions,
19916 567 510 OLM LLC
721 779 486 DLA Systems Automation Center
7545 555 481 TPG Internet Pty Ltd
15270 501 466 PaeTec.net -a division of Pae
855 538 465 Canadian Research Network
18101 493 464 Reliance Infocom Ltd Internet
11830 483 464 Instituto Costarricense de El
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65124 PRIVATE 193.110.52.0/24 24652 Juniper Networks, Eu
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 /12:114
/13:228 /14:409 /15:797 /16:9093 /17:3611 /18:5892
/19:12869 /20:14480 /21:12899 /22:16405 /23:17876 /24:109912
/25:628 /26:458 /27:354 /28:71 /29:42 /30:87
/31:0 /32:23
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 966 983 Covad Communications
9583 871 1044 Sify Limited
11492 851 865 Cable One
7018 832 1541 AT&T WorldNet Services
2386 827 1109 AT&T Data Communications Serv
6197 795 1021 BellSouth Network Solutions,
23577 755 769 KRNIC
7011 591 686 Citizens Utilities
4766 567 758 Korea Telecom (KIX)
19916 562 567 OLM LLC
9498 561 897 BHARTI BT INTERNET LTD.
4755 482 1041 Videsh Sanchar Nigam Ltd. Aut
15270 469 501 PaeTec.net -a division of Pae
855 435 538 Canadian Research Network
18101 426 493 Reliance Infocom Ltd Internet
5668 423 550 CenturyTel Internet Holdings,
1239 403 821 Sprint
17849 397 411 Telecommunications Technology
33588 396 418 Bresnan Communications, LLC.
17488 388 565 Hathway IP Over Cable Interne
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:61 9:1 12:1654 13:1 15:15
16:3 17:3 18:5 20:36 24:855 25:1
32:53 38:274 40:56 41:57 44:2 47:10
52:4 53:1 55:1 56:3 57:25 58:276
59:350 60:206 61:971 62:1057 63:1897 64:3174
65:2294 66:3089 67:692 68:653 69:1694 70:403
71:130 72:1110 74:121 75:49 76:16 80:822
81:764 82:628 83:335 84:478 85:774 86:404
87:458 88:256 89:715 90:2 91:107 97:1
121:114 122:50 123:8 124:503 125:727 128:304
129:219 130:131 131:310 132:49 133:9 134:177
135:43 136:163 137:114 138:189 139:51 140:525
141:134 142:347 143:213 144:263 145:67 146:312
147:141 148:360 149:171 150:111 151:117 152:89
153:118 154:5 155:246 156:150 157:152 158:166
159:138 160:99 161:97 162:224 163:159 164:240
165:237 166:243 167:282 168:481 169:123 170:362
171:12 172:1 189:29 190:308 192:5731 193:3625
194:2881 195:2178 196:929 198:3774 199:3269 200:4586
201:946 202:6904 203:7187 204:3959 205:2089 206:2430
207:2906 208:2367 209:3585 210:2253 211:881 212:1312
213:1443 214:366 215:39 216:4076 217:1163 218:343
219:264 220:835 221:378 222:274
End of report
Report Website: http://thyme.apnic.net
