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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Tue 26 Dec, 2006
Analysis Summary
----------------
BGP routing table entries examined: 206465
Prefixes after maximum aggregation: 112077
Unique aggregates announced to Internet: 100630
Total ASes present in the Internet Routing Table: 24000
Origin-only ASes present in the Internet Routing Table: 20922
Origin ASes announcing only one prefix: 10084
Transit ASes present in the Internet Routing Table: 3078
Transit-only ASes present in the Internet Routing Table: 76
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 32
Max AS path prepend of ASN (36728) 27
Prefixes from unregistered ASNs in the Routing Table: 3
Unregistered ASNs in the Routing Table: 6
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1648285100
Equivalent to 98 /8s, 62 /16s and 213 /24s
Percentage of available address space announced: 44.5
Percentage of allocated address space announced: 63.1
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 105100
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 45899
Total APNIC prefixes after maximum aggregation: 18645
Prefixes being announced from the APNIC address blocks: 43467
Unique aggregates announced from the APNIC address blocks: 19102
APNIC Region origin ASes present in the Internet Routing Table: 2809
APNIC Region origin ASes announcing only one prefix: 796
APNIC Region transit ASes present in the Internet Routing Table: 421
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 272818272
Equivalent to 16 /8s, 66 /16s and 224 /24s
Percentage of available APNIC address space announced: 85.3
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: 101974
Total ARIN prefixes after maximum aggregation: 60467
Prefixes being announced from the ARIN address blocks: 75192
Unique aggregates announced from the ARIN address blocks: 28687
ARIN Region origin ASes present in the Internet Routing Table: 11240
ARIN Region origin ASes announcing only one prefix: 4284
ARIN Region transit ASes present in the Internet Routing Table: 1020
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 311229568
Equivalent to 18 /8s, 140 /16s and 252 /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: 42717
Total RIPE prefixes after maximum aggregation: 28015
Prefixes being announced from the RIPE address blocks: 39510
Unique aggregates announced from the RIPE address blocks: 26303
RIPE Region origin ASes present in the Internet Routing Table: 8952
RIPE Region origin ASes announcing only one prefix: 4704
RIPE Region transit ASes present in the Internet Routing Table: 1443
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 32
Number of RIPE addresses announced to Internet: 281922948
Equivalent to 16 /8s, 205 /16s and 205 /24s
Percentage of available RIPE address space announced: 76.4
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: 13350
Total LACNIC prefixes after maximum aggregation: 4005
Prefixes being announced from the LACNIC address blocks: 11412
Unique aggregates announced from the LACNIC address blocks: 7022
LACNIC Region origin ASes present in the Internet Routing Table: 753
LACNIC Region origin ASes announcing only one prefix: 249
LACNIC Region transit ASes present in the Internet Routing Table: 131
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 35474432
Equivalent to 2 /8s, 29 /16s and 76 /24s
Percentage of available LACNIC address space announced: 52.9
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: 2522
Total AfriNIC prefixes after maximum aggregation: 945
Prefixes being announced from the AfriNIC address blocks: 1772
Unique aggregates announced from the AfriNIC address blocks: 1127
AfriNIC Region origin ASes present in the Internet Routing Table: 170
AfriNIC Region origin ASes announcing only one prefix: 51
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: 5324544
Equivalent to 0 /8s, 81 /16s and 63 /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 1251 8623 258 CHINANET-BACKBONE
4755 1055 383 64 Videsh Sanchar Nigam Ltd. Aut
9583 1045 98 64 Sify Limited
9498 893 211 64 BHARTI BT INTERNET LTD.
23577 772 34 701 KRNIC
4766 752 4946 307 Korea Telecom (KIX)
1221 573 1714 444 Telstra Pty Ltd
17488 565 35 21 Hathway IP Over Cable Interne
7545 553 126 73 TPG Internet Pty Ltd
17676 503 10935 66 Softbank BB Corp.
18101 493 87 23 Reliance Infocom Ltd Internet
9443 442 111 74 Primus Telecommunications
9942 439 81 132 COMindico Australia
4812 437 758 69 China Telecom (Shanghai)
17849 411 36 126 Telecommunications Technology
4802 405 86 146 Wantree Development
17557 365 35 173 Pakistan Telecom
17974 364 129 12 PT TELEKOMUNIKASI INDONESIA
2907 332 1749 309 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 1540 6159 1001 AT&T WorldNet Services
2386 1110 586 734 AT&T Data Communications Serv
4323 1058 820 299 Time Warner Telecom
6197 1018 636 501 BellSouth Network Solutions,
18566 983 272 8 Covad Communications
174 965 6809 877 Cogent Communications
701 933 6691 758 UUNET Technologies, Inc.
11492 863 98 13 Cable One
1239 829 2730 579 Sprint
19262 788 2496 181 Verizon Global Networks
721 775 21882 294 DLA Systems Automation Center
20115 768 667 407 Charter Communications
209 713 3763 563 Qwest
22773 709 1744 40 Cox Communications, Inc.
7011 686 211 431 Citizens Utilities
852 601 1092 391 Telus Advanced Communications
19916 567 48 57 OLM LLC
6198 549 535 257 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 310 1199 292 TeliaNet Sweden
3320 297 4993 245 Deutsche Telekom AG
24863 294 44 26 LINKdotNET AS number
8220 273 474 264 COLT Telecommunications
6746 264 93 242 Dynamic Network Technologies,
680 253 2041 248 DFN-IP service G-WiN
9116 233 134 23 Goldenlines main autonomous s
8708 231 282 218 Romania Data Systems S.A.
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
786 172 1795 172 The JANET IP Service
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 780 1937 204 UniNet S.A. de C.V.
11830 482 299 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
6503 216 170 93 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 136 83 32 E.T.B.
18822 129 8 10 TELEFONICA MANQUEHUE
14522 128 20 9 SatNet S.A.
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 52 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 25 2 9 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
4134 1251 993 CHINANET-BACKBONE
4755 1055 991 Videsh Sanchar Nigam Ltd. Aut
9583 1045 981 Sify Limited
18566 983 975 Covad Communications
11492 863 850 Cable One
9498 893 829 BHARTI BT INTERNET LTD.
4323 1058 759 Time Warner Telecom
22773 709 669 Cox Communications, Inc.
19262 788 607 Verizon Global Networks
8151 780 576 UniNet S.A. de C.V.
17488 565 544 Hathway IP Over Cable Interne
5668 546 527 CenturyTel Internet Holdings,
6197 1018 517 BellSouth Network Solutions,
19916 567 510 OLM LLC
721 775 481 DLA Systems Automation Center
7545 553 480 TPG Internet Pty Ltd
18101 493 470 Reliance Infocom Ltd Internet
855 538 465 Canadian Research Network
11830 482 463 Instituto Costarricense de El
15270 494 460 PaeTec.net -a division of Pae
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
64543 PRIVATE 38.103.144.0/22 174 Cogent Communication
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 /12:113
/13:228 /14:405 /15:799 /16:9095 /17:3635 /18:5901
/19:12803 /20:14452 /21:12860 /22:16409 /23:17918 /24:110107
/25:628 /26:461 /27:357 /28:70 /29:43 /30:86
/31:0 /32:23
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 966 983 Covad Communications
9583 873 1045 Sify Limited
11492 849 863 Cable One
7018 831 1540 AT&T WorldNet Services
2386 828 1110 AT&T Data Communications Serv
6197 794 1018 BellSouth Network Solutions,
23577 758 772 KRNIC
7011 591 686 Citizens Utilities
19916 562 567 OLM LLC
4766 561 752 Korea Telecom (KIX)
9498 556 893 BHARTI BT INTERNET LTD.
4755 511 1055 Videsh Sanchar Nigam Ltd. Aut
15270 464 494 PaeTec.net -a division of Pae
855 435 538 Canadian Research Network
18101 427 493 Reliance Infocom Ltd Internet
5668 419 546 CenturyTel Internet Holdings,
1239 411 829 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 20:34 24:854 25:1
32:55 38:274 40:57 41:55 44:2 47:9
52:4 53:1 55:1 56:3 57:25 58:270
59:354 60:222 61:970 62:1056 63:1899 64:3187
65:2296 66:3105 67:692 68:654 69:1698 70:403
71:114 72:1104 74:120 75:49 76:16 80:818
81:759 82:663 83:387 84:452 85:767 86:404
87:456 88:257 89:715 90:1 91:108 97:1
121:111 122:44 123:7 124:511 125:731 128:304
129:219 130:132 131:315 132:49 133:9 134:177
135:43 136:180 137:114 138:189 139:49 140:525
141:134 142:347 143:212 144:262 145:67 146:320
147:141 148:365 149:171 150:111 151:118 152:89
153:118 154:5 155:247 156:149 157:152 158:166
159:140 160:99 161:82 162:223 163:160 164:239
165:236 166:242 167:283 168:481 169:123 170:377
171:12 172:1 189:29 190:308 192:5733 193:3623
194:2873 195:2173 196:932 198:3772 199:3259 200:4561
201:945 202:7040 203:7221 204:3959 205:2088 206:2424
207:2879 208:2372 209:3583 210:2240 211:882 212:1313
213:1443 214:384 215:39 216:4100 217:1156 218:338
219:255 220:828 221:381 222:269
End of report
Report Website: http://thyme.apnic.net
