[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Wed 21 Nov, 2007
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 237564
Prefixes after maximum aggregation: 122669
Deaggregation factor: 1.94
Unique aggregates announced to Internet: 116307
Total ASes present in the Internet Routing Table: 26689
Prefixes per ASN: 8.90
Origin-only ASes present in the Internet Routing Table: 23239
Origin ASes announcing only one prefix: 11304
Transit ASes present in the Internet Routing Table: 3450
Transit-only ASes present in the Internet Routing Table: 75
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 28
Max AS path prepend of ASN (35389) 25
Prefixes from unregistered ASNs in the Routing Table: 11
Unregistered ASNs in the Routing Table: 7
Prefixes from 32-bit ASNs in the Routing Table: 7
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1794411520
Equivalent to 106 /8s, 244 /16s and 140 /24s
Percentage of available address space announced: 48.4
Percentage of allocated address space announced: 61.9
Percentage of available address space allocated: 78.2
Total number of prefixes smaller than registry allocations: 110640
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 55247
Total APNIC prefixes after maximum aggregation: 21190
APNIC Deaggregation factor: 2.61
Prefixes being announced from the APNIC address blocks: 52150
Unique aggregates announced from the APNIC address blocks: 23245
APNIC Region origin ASes present in the Internet Routing Table: 3084
APNIC Prefixes per ASN: 16.91
APNIC Region origin ASes announcing only one prefix: 806
APNIC Region transit ASes present in the Internet Routing Table: 475
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 325553344
Equivalent to 19 /8s, 103 /16s and 140 /24s
Percentage of available APNIC address space announced: 74.5
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, 114/7, 116/6, 120/6, 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: 111710
Total ARIN prefixes after maximum aggregation: 63828
ARIN Deaggregation factor: 1.75
Prefixes being announced from the ARIN address blocks: 82489
Unique aggregates announced from the ARIN address blocks: 32827
ARIN Region origin ASes present in the Internet Routing Table: 11947
ARIN Prefixes per ASN: 6.90
ARIN Region origin ASes announcing only one prefix: 4587
ARIN Region transit ASes present in the Internet Routing Table: 1121
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 353620608
Equivalent to 21 /8s, 19 /16s and 210 /24s
Percentage of available ARIN address space announced: 78.1
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: 49776
Total RIPE prefixes after maximum aggregation: 32025
RIPE Deaggregation factor: 1.55
Prefixes being announced from the RIPE address blocks: 46613
Unique aggregates announced from the RIPE address blocks: 31063
RIPE Region origin ASes present in the Internet Routing Table: 10496
RIPE Prefixes per ASN: 4.44
RIPE Region origin ASes announcing only one prefix: 5562
RIPE Region transit ASes present in the Internet Routing Table: 1637
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 337072896
Equivalent to 20 /8s, 23 /16s and 83 /24s
Percentage of available RIPE address space announced: 77.3
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
40960-45055
RIPE Address Blocks 62/8, 77/8, 78/7, 80/4, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 17559
Total LACNIC prefixes after maximum aggregation: 4532
LACNIC Deaggregation factor: 3.87
Prefixes being announced from the LACNIC address blocks: 15604
Unique aggregates announced from the LACNIC address blocks: 8669
LACNIC Region origin ASes present in the Internet Routing Table: 873
LACNIC Prefixes per ASN: 17.87
LACNIC Region origin ASes announcing only one prefix: 281
LACNIC Region transit ASes present in the Internet Routing Table: 152
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 45981696
Equivalent to 2 /8s, 189 /16s and 160 /24s
Percentage of available LACNIC address space announced: 45.7
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 186/7, 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 3253
Total AfriNIC prefixes after maximum aggregation: 1080
AfriNIC Deaggregation factor: 3.01
Prefixes being announced from the AfriNIC address blocks: 2411
Unique aggregates announced from the AfriNIC address blocks: 1418
AfriNIC Region origin ASes present in the Internet Routing Table: 213
AfriNIC Prefixes per ASN: 11.32
AfriNIC Region origin ASes announcing only one prefix: 68
AfriNIC Region transit ASes present in the Internet Routing Table: 37
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 8201728
Equivalent to 0 /8s, 125 /16s and 38 /24s
Percentage of available AfriNIC address space announced: 24.4
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
4755 1461 383 69 Videsh Sanchar Nigam Ltd. Aut
4134 1102 11565 303 CHINANET-BACKBONE
9583 1090 81 422 Sify Limited
9498 1057 549 64 BHARTI BT INTERNET LTD.
17488 883 57 70 Hathway IP Over Cable Interne
4766 816 5474 329 Korea Telecom (KIX)
23577 796 33 680 Korea Telecom (ATM-MPLS)
7545 724 159 124 TPG Internet Pty Ltd
18101 612 120 56 Reliance Infocom Ltd Internet
1221 545 1951 424 Telstra Pty Ltd
9829 531 1312 9 BSNL National Internet Backbo
4812 525 874 78 China Telecom (Shanghai)
4668 518 68 10 LG-EDS Systems Inc.
4808 504 799 122 CNCGROUP IP network: China169
17676 503 10919 64 Softbank BB Corp.
4802 482 130 142 Wantree Development
9443 440 121 70 Primus Telecommunications
17974 398 146 14 PT TELEKOMUNIKASI INDONESIA
7474 383 202 269 SingTel Optus Pty Ltd
4837 358 5068 170 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1500 6140 1013 AT&T WorldNet Services
4323 1379 1017 365 Time Warner Telecom
2386 1273 633 784 AT&T Data Communications Serv
11492 1175 122 43 Cable One
6478 1125 330 174 AT&T Worldnet Services
18566 1032 288 9 Covad Communications
6197 1030 719 509 BellSouth Network Solutions,
7011 982 291 570 Citizens Utilities
174 969 6857 830 Cogent Communications
701 902 6566 708 UUNET Technologies, Inc.
20115 846 775 453 Charter Communications
3356 833 10887 415 Level 3 Communications, LLC
22773 820 2133 54 Cox Communications, Inc.
19262 813 2934 181 Verizon Global Networks
1239 799 2711 556 Sprint
209 736 3786 579 Qwest
5668 664 176 17 CenturyTel Internet Holdings,
15270 605 161 41 PaeTec.net -a division of Pae
6517 595 163 33 Yipes Communications, Inc.
852 582 1109 358 Telus Advanced Communications
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 469 1917 382 UUNET - Commercial IP service
9116 348 184 28 Goldenlines main autonomous s
8551 326 314 40 Bezeq International
3301 318 1441 293 TeliaNet Sweden
3320 316 6035 262 Deutsche Telekom AG
8866 281 78 26 Bulgarian Telecommunication C
8708 275 421 245 Romania Data Systems S.A.
6746 273 129 250 Dynamic Network Technologies,
680 268 2045 254 DFN-IP service G-WiN
3215 265 2535 92 France Telecom Transpac
8220 258 445 236 COLT Telecommunications
8452 241 188 7 TEDATA
3352 235 1932 41 Ibernet, Internet Access Netw
3269 230 2967 72 TELECOM ITALIA
3292 222 1386 203 TDC Tele Danmark
3300 214 220 102 AUCS Communications Services
9121 210 1442 25 TTnet Autonomous System
12479 195 578 6 Uni2 Autonomous System
1257 193 1194 176 SWIPnet Swedish IP Network
2856 187 2302 156 BTnet UK Regional network
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1160 2419 218 UniNet S.A. de C.V.
11830 539 299 9 Instituto Costarricense de El
16814 427 27 10 NSS, S.A.
14522 381 33 8 SatNet S.A.
7303 380 185 59 Telecom Argentina Stet-France
11172 376 114 61 Servicios Alestra S.A de C.V
6471 359 85 38 ENTEL CHILE S.A.
22047 317 246 13 VTR PUNTO NET S.A.
10481 301 120 10 Prima S.A.
14117 285 19 15 Telefonica del Sur S.A.
10620 277 76 28 TVCABLE BOGOTA
6147 242 182 20 Telefonica Del Peru
11556 236 128 4 Cable-Wireless Panama
23216 219 17 50 RAMtelecom Telecomunicaciones
6503 217 187 86 AVANTEL, S.A.
28573 213 314 27 NET Servicos de Comunicao S.A
7738 206 538 24 Telecomunicacoes da Bahia S.A
20299 199 33 30 NEWCOM AMERICAS
21826 186 33 47 INTERCABLE
19169 184 12 19 Telconet
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 391 60 39 LINKdotNET AS number
3741 281 869 226 The Internet Solution
20858 199 34 4 EgyNet
2018 144 300 116 Tertiary Education Network
6713 136 135 11 Itissalat Al-MAGHRIB
5536 124 8 10 Internet Egypt Network
33783 118 8 19 EEPAD TISP TELECOM & INTERNET
33776 100 6 3 Starcomms Nigeria Limited
24835 88 48 6 RAYA Telecom - Egypt
15475 81 84 4 Nile Online
23889 76 24 15 MAURITIUS TELECOM
2905 75 174 72 The Internetworking Company o
20484 64 5 6 Yalla Online Autonomous Syste
15706 58 12 4 Sudatel Internet Exchange Aut
29571 56 13 7 Ci Telecom Autonomous system
33774 50 37 28 AS Number for Telecom Algeria
5713 46 422 36 Telkom SA Ltd
16637 42 21 29 Johnnic e-Ventures
12455 36 6 3 Jambonet Autonomous system
8524 32 2 10 AUCEGYPT Autonomous System
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1461 1392 Videsh Sanchar Nigam Ltd. Aut
11492 1175 1132 Cable One
18566 1032 1023 Covad Communications
4323 1379 1014 Time Warner Telecom
9498 1057 993 BHARTI BT INTERNET LTD.
6478 1125 951 AT&T Worldnet Services
8151 1160 942 UniNet S.A. de C.V.
17488 883 813 Hathway IP Over Cable Interne
4134 1102 799 CHINANET-BACKBONE
22773 820 766 Cox Communications, Inc.
9583 1090 668 Sify Limited
5668 664 647 CenturyTel Internet Holdings,
19262 813 632 Verizon Global Networks
7545 724 600 TPG Internet Pty Ltd
15270 605 564 PaeTec.net -a division of Pae
6517 595 562 Yipes Communications, Inc.
18101 612 556 Reliance Infocom Ltd Internet
11830 539 530 Instituto Costarricense de El
19916 569 522 OLM LLC
9829 531 522 BSNL National Internet Backbo
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65000 PRIVATE 41.204.180.0/24 36866 Jamii Telecommunicat
64999 PRIVATE 78.24.120.0/23 3257 Tiscali Intl Network
64999 PRIVATE 78.24.122.0/23 3257 Tiscali Intl Network
64999 PRIVATE 78.24.124.0/24 3257 Tiscali Intl Network
64999 PRIVATE 78.24.125.0/24 3257 Tiscali Intl Network
64999 PRIVATE 78.24.126.0/24 3257 Tiscali Intl Network
64999 PRIVATE 78.24.127.0/24 3257 Tiscali Intl Network
65068 PRIVATE 79.171.184.0/21 43895 *
65300 PRIVATE 216.243.221.0/24 11320 Internet Express, In
65300 PRIVATE 216.243.222.0/24 11320 Internet Express, In
65300 PRIVATE 216.243.223.0/24 11320 Internet Express, In
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
31.31.31.0/24 9730 The Best ISP to go Multimedia
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
173.173.173.0/24 9730 The Best ISP to go Multimedia
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
192.153.136.0/21 721 DLA Systems Automation Center
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 /8:18 /9:9 /10:16 /11:40 /12:134
/13:271 /14:483 /15:948 /16:9739 /17:4200 /18:6771
/19:14700 /20:16834 /21:15734 /22:19931 /23:20910 /24:124329
/25:812 /26:1024 /27:550 /28:98 /29:5 /30:0
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1166 1175 Cable One
6478 1124 1125 AT&T Worldnet Services
18566 1014 1032 Covad Communications
2386 964 1273 AT&T Data Communications Serv
9583 935 1090 Sify Limited
7011 869 982 Citizens Utilities
4755 836 1461 Videsh Sanchar Nigam Ltd. Aut
7018 824 1500 AT&T WorldNet Services
23577 787 796 Korea Telecom (ATM-MPLS)
6197 773 1030 BellSouth Network Solutions,
9498 741 1057 BHARTI BT INTERNET LTD.
17488 698 883 Hathway IP Over Cable Interne
4766 606 816 Korea Telecom (KIX)
4323 582 1379 Time Warner Telecom
15270 567 605 PaeTec.net -a division of Pae
19916 564 569 OLM LLC
6517 551 595 Yipes Communications, Inc.
5668 522 664 CenturyTel Internet Holdings,
4668 508 518 LG-EDS Systems Inc.
18101 507 612 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:89 12:1863 13:1 15:20 16:3
17:6 18:13 20:35 24:1006 25:1 31:1
32:63 33:3 38:361 40:64 41:398 44:2
47:8 52:3 55:3 56:3 57:21 58:475
59:415 60:384 61:992 62:936 63:1979 64:3297
65:2361 66:3592 67:906 68:650 69:2032 70:466
71:105 72:1441 73:7 74:736 75:263 76:140
77:435 78:302 79:17 80:874 81:770 82:569
83:352 84:617 85:873 86:361 87:595 88:283
89:1036 90:39 91:748 92:5 96:2 97:6
98:15 114:1 115:1 116:430 117:225 118:46
121:308 122:637 123:205 124:723 125:949 128:307
129:195 130:137 131:371 132:61 133:9 134:193
135:34 136:193 137:82 138:153 139:76 140:517
141:146 142:373 143:259 144:325 145:48 146:330
147:124 148:476 149:185 150:113 151:137 152:95
153:122 154:11 155:262 156:164 157:224 158:160
159:197 160:181 161:102 162:191 163:185 164:499
165:404 166:290 167:309 168:515 169:130 170:418
171:29 172:3 173:1 189:114 190:1186 192:5729
193:4037 194:3201 195:2324 196:937 198:3803 199:3233
200:5162 201:1216 202:7433 203:7734 204:3988 205:2000
206:2394 207:2768 208:2959 209:3582 210:2481 211:1107
212:1304 213:1545 214:416 215:45 216:4107 217:1184
218:337 219:396 220:1012 221:409 222:273
End of report
