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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Thu 21 Dec, 2006
Analysis Summary
----------------
BGP routing table entries examined: 206294
Prefixes after maximum aggregation: 112072
Unique aggregates announced to Internet: 100478
Total ASes present in the Internet Routing Table: 23967
Origin-only ASes present in the Internet Routing Table: 20891
Origin ASes announcing only one prefix: 10062
Transit ASes present in the Internet Routing Table: 3076
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 (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: 1647532716
Equivalent to 98 /8s, 51 /16s and 90 /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: 104915
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 45757
Total APNIC prefixes after maximum aggregation: 18674
Prefixes being announced from the APNIC address blocks: 43313
Unique aggregates announced from the APNIC address blocks: 19131
APNIC Region origin ASes present in the Internet Routing Table: 2800
APNIC Region origin ASes announcing only one prefix: 790
APNIC Region transit ASes present in the Internet Routing Table: 420
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 272145376
Equivalent to 16 /8s, 56 /16s and 155 /24s
Percentage of available APNIC address space announced: 85.1
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: 101992
Total ARIN prefixes after maximum aggregation: 60491
Prefixes being announced from the ARIN address blocks: 75182
Unique aggregates announced from the ARIN address blocks: 28618
ARIN Region origin ASes present in the Internet Routing Table: 11239
ARIN Region origin ASes announcing only one prefix: 4282
ARIN Region transit ASes present in the Internet Routing Table: 1029
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 311076480
Equivalent to 18 /8s, 138 /16s and 166 /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: 42666
Total RIPE prefixes after maximum aggregation: 27963
Prefixes being announced from the RIPE address blocks: 39478
Unique aggregates announced from the RIPE address blocks: 26216
RIPE Region origin ASes present in the Internet Routing Table: 8930
RIPE Region origin ASes announcing only one prefix: 4693
RIPE Region transit ASes present in the Internet Routing Table: 1431
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 32
Number of RIPE addresses announced to Internet: 281749764
Equivalent to 16 /8s, 203 /16s and 41 /24s
Percentage of available RIPE address space announced: 76.3
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: 13366
Total LACNIC prefixes after maximum aggregation: 4003
Prefixes being announced from the LACNIC address blocks: 11430
Unique aggregates announced from the LACNIC address blocks: 7019
LACNIC Region origin ASes present in the Internet Routing Table: 752
LACNIC Region origin ASes announcing only one prefix: 247
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: 35469056
Equivalent to 2 /8s, 29 /16s and 55 /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: 2511
Total AfriNIC prefixes after maximum aggregation: 941
Prefixes being announced from the AfriNIC address blocks: 1755
Unique aggregates announced from the AfriNIC address blocks: 1118
AfriNIC Region origin ASes present in the Internet Routing Table: 169
AfriNIC Region origin ASes announcing only one prefix: 50
AfriNIC Region transit ASes present in the Internet Routing Table: 31
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 5322240
Equivalent to 0 /8s, 81 /16s and 54 /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 1245 8595 253 CHINANET-BACKBONE
9583 1009 86 110 Sify Limited
4755 948 383 65 Videsh Sanchar Nigam Ltd. Aut
9498 892 211 64 BHARTI BT INTERNET LTD.
23577 773 34 702 KRNIC
4766 750 4945 306 Korea Telecom (KIX)
1221 574 1698 444 Telstra Pty Ltd
17488 561 35 21 Hathway IP Over Cable Interne
7545 552 126 74 TPG Internet Pty Ltd
17676 503 10935 66 Softbank BB Corp.
18101 490 87 23 Reliance Infocom Ltd Internet
9443 442 111 74 Primus Telecommunications
4812 436 758 69 China Telecom (Shanghai)
9942 433 81 130 COMindico Australia
17849 411 36 126 Telecommunications Technology
4802 405 86 146 Wantree Development
17557 365 35 174 Pakistan Telecom
17974 361 129 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 1539 6174 1000 AT&T WorldNet Services
2386 1111 586 735 AT&T Data Communications Serv
4323 1057 820 299 Time Warner Telecom
6197 1019 637 498 BellSouth Network Solutions,
18566 985 272 8 Covad Communications
174 963 6823 879 Cogent Communications
701 932 6691 759 UUNET Technologies, Inc.
11492 856 98 13 Cable One
1239 827 2730 578 Sprint
19262 790 2496 182 Verizon Global Networks
721 780 21885 292 DLA Systems Automation Center
20115 767 666 406 Charter Communications
209 714 3763 563 Qwest
22773 708 1744 40 Cox Communications, Inc.
7011 695 211 431 Citizens Utilities
852 603 1092 391 Telus Advanced Communications
19916 567 48 57 OLM LLC
6198 549 535 257 BellSouth Network Solutions,
5668 548 161 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 274 474 264 COLT Telecommunications
6746 263 93 241 Dynamic Network Technologies,
680 252 2041 248 DFN-IP service G-WiN
9116 235 134 23 Goldenlines main autonomous s
8708 231 282 218 Romania Data Systems S.A.
3215 230 2104 96 France Telecom Transpac
1257 215 1069 172 SWIPnet Swedish IP Network
3269 210 2373 73 TELECOM ITALIA
5416 205 13 9 BATELCO-BH
30890 205 18 90 SC Kappa Invexim SRL
3246 202 353 192 Song Networks
8551 199 197 24 Bezeq International
3300 180 171 97 AUCS Communications Services
6830 180 695 38 UPC Distribution Services
3352 175 1767 31 Ibernet, Internet Access Netw
12479 173 578 6 Uni2 Autonomous System
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 780 1937 206 UniNet S.A. de C.V.
11830 484 299 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.
6471 258 74 31 ENTEL CHILE S.A.
14117 258 16 13 Telefonica del Sur S.A.
7303 227 102 35 Telecom Argentina Stet-France
6503 217 170 94 AVANTEL, S.A.
6147 208 150 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 138 84 34 E.T.B.
18822 129 8 10 TELEFONICA MANQUEHUE
14522 126 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 224 60 7 TEDATA
15475 148 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
10798 23 1 14 Standard Bank of South Africa
33766 21 2 1 Nyala Communications Pty Ltd
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1245 992 CHINANET-BACKBONE
18566 985 977 Covad Communications
9583 1009 899 Sify Limited
4755 948 883 Videsh Sanchar Nigam Ltd. Aut
11492 856 843 Cable One
9498 892 828 BHARTI BT INTERNET LTD.
4323 1057 758 Time Warner Telecom
22773 708 668 Cox Communications, Inc.
19262 790 608 Verizon Global Networks
8151 780 574 UniNet S.A. de C.V.
17488 561 540 Hathway IP Over Cable Interne
5668 548 529 CenturyTel Internet Holdings,
6197 1019 521 BellSouth Network Solutions,
19916 567 510 OLM LLC
721 780 488 DLA Systems Automation Center
7545 552 478 TPG Internet Pty Ltd
18101 490 467 Reliance Infocom Ltd Internet
855 538 465 Canadian Research Network
11830 484 465 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
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 /14:404 /15:799 /16:9086 /17:3637 /18:5871
/19:12782 /20:14446 /21:12868 /22:16373 /23:17890 /24:110058
/25:630 /26:455 /27:357 /28:72 /29:43 /30:87
/31:0 /32:23
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 968 985 Covad Communications
11492 842 856 Cable One
9583 841 1009 Sify Limited
2386 828 1111 AT&T Data Communications Serv
7018 828 1539 AT&T WorldNet Services
6197 795 1019 BellSouth Network Solutions,
23577 759 773 KRNIC
7011 600 695 Citizens Utilities
19916 562 567 OLM LLC
4766 560 750 Korea Telecom (KIX)
9498 555 892 BHARTI BT INTERNET LTD.
15270 464 494 PaeTec.net -a division of Pae
855 435 538 Canadian Research Network
18101 424 490 Reliance Infocom Ltd Internet
5668 420 548 CenturyTel Internet Holdings,
1239 409 827 Sprint
4755 407 948 Videsh Sanchar Nigam Ltd. Aut
17849 397 411 Telecommunications Technology
33588 394 416 Bresnan Communications, LLC.
6198 387 549 BellSouth Network Solutions,
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:61 9:1 12:1653 13:1 15:15
16:3 17:3 18:5 20:34 24:845 25:1
32:55 38:272 40:57 41:49 44:2 47:10
52:4 53:1 55:1 56:3 57:25 58:269
59:339 60:228 61:967 62:1055 63:1897 64:3189
65:2296 66:3104 67:690 68:655 69:1694 70:403
71:114 72:1099 74:120 75:49 76:14 80:822
81:763 82:653 83:397 84:453 85:766 86:409
87:442 88:251 89:693 90:1 91:107 97:1
121:102 122:44 123:3 124:493 125:728 128:304
129:219 130:133 131:317 132:48 133:9 134:177
135:42 136:180 137:114 138:189 139:51 140:525
141:134 142:347 143:213 144:259 145:67 146:321
147:141 148:370 149:171 150:110 151:118 152:88
153:118 154:5 155:247 156:149 157:151 158:166
159:140 160:99 161:88 162:224 163:160 164:238
165:236 166:243 167:281 168:481 169:123 170:385
171:12 172:1 189:29 190:301 192:5735 193:3624
194:2863 195:2172 196:919 198:3777 199:3282 200:4597
201:942 202:7036 203:7212 204:3953 205:2085 206:2427
207:2909 208:2369 209:3584 210:2221 211:877 212:1331
213:1461 214:377 215:39 216:4099 217:1155 218:340
219:263 220:827 221:368 222:270
End of report
Report Website: http://thyme.apnic.net
