[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 Fri 16 Nov, 2007
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 237758
Prefixes after maximum aggregation: 122689
Deaggregation factor: 1.94
Unique aggregates announced to Internet: 116115
Total ASes present in the Internet Routing Table: 26661
Prefixes per ASN: 8.92
Origin-only ASes present in the Internet Routing Table: 23218
Origin ASes announcing only one prefix: 11297
Transit ASes present in the Internet Routing Table: 3443
Transit-only ASes present in the Internet Routing Table: 79
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: 10
Unregistered ASNs in the Routing Table: 5
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: 1792159744
Equivalent to 106 /8s, 210 /16s and 48 /24s
Percentage of available address space announced: 48.4
Percentage of allocated address space announced: 61.8
Percentage of available address space allocated: 78.2
Total number of prefixes smaller than registry allocations: 110627
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 55582
Total APNIC prefixes after maximum aggregation: 21206
APNIC Deaggregation factor: 2.62
Prefixes being announced from the APNIC address blocks: 52472
Unique aggregates announced from the APNIC address blocks: 23217
APNIC Region origin ASes present in the Internet Routing Table: 3083
APNIC Prefixes per ASN: 17.02
APNIC Region origin ASes announcing only one prefix: 806
APNIC Region transit ASes present in the Internet Routing Table: 470
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 325257152
Equivalent to 19 /8s, 99 /16s and 7 /24s
Percentage of available APNIC address space announced: 74.4
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, 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: 111563
Total ARIN prefixes after maximum aggregation: 63852
ARIN Deaggregation factor: 1.75
Prefixes being announced from the ARIN address blocks: 82404
Unique aggregates announced from the ARIN address blocks: 32771
ARIN Region origin ASes present in the Internet Routing Table: 11939
ARIN Prefixes per ASN: 6.90
ARIN Region origin ASes announcing only one prefix: 4594
ARIN Region transit ASes present in the Internet Routing Table: 1120
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 14
Number of ARIN addresses announced to Internet: 352250752
Equivalent to 20 /8s, 254 /16s and 235 /24s
Percentage of available ARIN address space announced: 77.8
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: 49658
Total RIPE prefixes after maximum aggregation: 31976
RIPE Deaggregation factor: 1.55
Prefixes being announced from the RIPE address blocks: 46522
Unique aggregates announced from the RIPE address blocks: 30952
RIPE Region origin ASes present in the Internet Routing Table: 10470
RIPE Prefixes per ASN: 4.44
RIPE Region origin ASes announcing only one prefix: 5544
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: 336705280
Equivalent to 20 /8s, 17 /16s and 183 /24s
Percentage of available RIPE address space announced: 77.2
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: 17689
Total LACNIC prefixes after maximum aggregation: 4568
LACNIC Deaggregation factor: 3.87
Prefixes being announced from the LACNIC address blocks: 15723
Unique aggregates announced from the LACNIC address blocks: 8687
LACNIC Region origin ASes present in the Internet Routing Table: 877
LACNIC Prefixes per ASN: 17.93
LACNIC Region origin ASes announcing only one prefix: 285
LACNIC Region transit ASes present in the Internet Routing Table: 148
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 46024960
Equivalent to 2 /8s, 190 /16s and 73 /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: 3248
Total AfriNIC prefixes after maximum aggregation: 1073
AfriNIC Deaggregation factor: 3.03
Prefixes being announced from the AfriNIC address blocks: 2397
Unique aggregates announced from the AfriNIC address blocks: 1405
AfriNIC Region origin ASes present in the Internet Routing Table: 212
AfriNIC Prefixes per ASN: 11.31
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: 3.6
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 8170496
Equivalent to 0 /8s, 124 /16s and 172 /24s
Percentage of available AfriNIC address space announced: 24.3
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 1478 383 69 Videsh Sanchar Nigam Ltd. Aut
4134 1102 11565 303 CHINANET-BACKBONE
9583 1089 81 423 Sify Limited
9498 1048 549 64 BHARTI BT INTERNET LTD.
17488 879 57 70 Hathway IP Over Cable Interne
4766 816 5474 329 Korea Telecom (KIX)
23577 798 33 682 Korea Telecom (ATM-MPLS)
7545 721 159 123 TPG Internet Pty Ltd
18101 613 120 56 Reliance Infocom Ltd Internet
1221 541 1951 422 Telstra Pty Ltd
9829 530 1312 9 BSNL National Internet Backbo
4812 524 866 77 China Telecom (Shanghai)
4668 520 68 10 LG-EDS Systems Inc.
4808 504 799 122 CNCGROUP IP network: China169
17676 503 10919 64 Softbank BB Corp.
4802 481 130 141 Wantree Development
9443 440 121 70 Primus Telecommunications
17974 403 146 14 PT TELEKOMUNIKASI INDONESIA
7474 383 202 269 SingTel Optus Pty Ltd
4538 355 2973 35 China Education and Research
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1497 6140 1010 AT&T WorldNet Services
4323 1367 1014 359 Time Warner Telecom
2386 1272 634 779 AT&T Data Communications Serv
11492 1170 121 44 Cable One
6478 1122 329 181 AT&T Worldnet Services
18566 1031 288 9 Covad Communications
6197 1026 718 515 BellSouth Network Solutions,
7011 980 291 568 Citizens Utilities
174 975 6857 839 Cogent Communications
701 906 6572 708 UUNET Technologies, Inc.
20115 845 774 453 Charter Communications
3356 830 10887 413 Level 3 Communications, LLC
22773 818 2133 54 Cox Communications, Inc.
19262 811 2925 182 Verizon Global Networks
1239 800 2713 557 Sprint
209 730 3784 573 Qwest
5668 663 176 17 CenturyTel Internet Holdings,
15270 601 161 41 PaeTec.net -a division of Pae
3561 589 2324 370 Savvis
6517 586 163 33 Yipes Communications, Inc.
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 327 314 40 Bezeq International
3301 316 1441 293 TeliaNet Sweden
3320 316 6035 262 Deutsche Telekom AG
8866 280 78 26 Bulgarian Telecommunication C
6746 274 129 252 Dynamic Network Technologies,
8708 274 421 245 Romania Data Systems S.A.
680 268 2045 254 DFN-IP service G-WiN
3215 265 2519 91 France Telecom Transpac
8452 264 188 7 TEDATA
8220 258 445 236 COLT Telecommunications
3352 235 1932 41 Ibernet, Internet Access Netw
3269 230 2967 72 TELECOM ITALIA
9121 210 1442 25 TTnet Autonomous System
3300 198 171 93 AUCS Communications Services
3246 196 258 186 Song Networks
12479 195 578 6 Uni2 Autonomous System
1257 193 1194 176 SWIPnet Swedish IP Network
3292 193 1380 177 TDC Tele Danmark
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1162 2419 216 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 377 182 57 Telecom Argentina Stet-France
11172 374 114 60 Servicios Alestra S.A de C.V
6471 357 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 255 71 40 TVCABLE BOGOTA
6147 242 182 20 Telefonica Del Peru
11556 236 128 4 Cable-Wireless Panama
23216 221 18 48 RAMtelecom Telecomunicaciones
6503 217 187 86 AVANTEL, S.A.
28573 211 314 27 NET Servicos de Comunicao S.A
7738 206 538 24 Telecomunicacoes da Bahia S.A
20299 188 33 30 NEWCOM AMERICAS
21826 186 33 47 INTERCABLE
19169 183 12 19 Telconet
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 388 60 43 LINKdotNET AS number
3741 281 869 226 The Internet Solution
20858 198 34 3 EgyNet
6713 143 135 11 Itissalat Al-MAGHRIB
2018 140 299 115 Tertiary Education Network
33783 126 8 12 EEPAD TISP TELECOM & INTERNET
5536 124 8 10 Internet Egypt Network
33776 100 6 3 Starcomms Nigeria Limited
24835 88 48 6 RAYA Telecom - Egypt
15475 83 84 4 Nile Online
2905 76 176 73 The Internetworking Company o
23889 76 24 15 MAURITIUS TELECOM
20484 64 5 6 Yalla Online Autonomous Syste
15706 58 12 4 Sudatel Internet Exchange Aut
29571 55 11 7 Ci Telecom Autonomous system
33774 48 33 26 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 1478 1409 Videsh Sanchar Nigam Ltd. Aut
11492 1170 1126 Cable One
18566 1031 1022 Covad Communications
4323 1367 1008 Time Warner Telecom
9498 1048 984 BHARTI BT INTERNET LTD.
8151 1162 946 UniNet S.A. de C.V.
6478 1122 941 AT&T Worldnet Services
17488 879 809 Hathway IP Over Cable Interne
4134 1102 799 CHINANET-BACKBONE
22773 818 764 Cox Communications, Inc.
9583 1089 666 Sify Limited
5668 663 646 CenturyTel Internet Holdings,
19262 811 629 Verizon Global Networks
7545 721 598 TPG Internet Pty Ltd
15270 601 560 PaeTec.net -a division of Pae
18101 613 557 Reliance Infocom Ltd Internet
6517 586 553 Yipes Communications, Inc.
11830 539 530 Instituto Costarricense de El
19916 569 522 OLM LLC
9829 530 521 BSNL National Internet Backbo
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
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 /11:39 /12:134
/13:270 /14:483 /15:947 /16:9727 /17:4201 /18:6774
/19:14693 /20:16820 /21:15689 /22:19906 /23:20895 /24:124653
/25:811 /26:1020 /27:539 /28:101 /29:5 /30:0
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1161 1170 Cable One
6478 1121 1122 AT&T Worldnet Services
18566 1013 1031 Covad Communications
2386 963 1272 AT&T Data Communications Serv
9583 933 1089 Sify Limited
7011 867 980 Citizens Utilities
4755 851 1478 Videsh Sanchar Nigam Ltd. Aut
7018 824 1497 AT&T WorldNet Services
23577 789 798 Korea Telecom (ATM-MPLS)
6197 769 1026 BellSouth Network Solutions,
9498 732 1048 BHARTI BT INTERNET LTD.
17488 694 879 Hathway IP Over Cable Interne
4766 606 816 Korea Telecom (KIX)
4323 581 1367 Time Warner Telecom
19916 564 569 OLM LLC
15270 563 601 PaeTec.net -a division of Pae
6517 542 586 Yipes Communications, Inc.
5668 522 663 CenturyTel Internet Holdings,
4668 510 520 LG-EDS Systems Inc.
18101 509 613 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:89 12:1840 13:1 15:19 16:3
17:6 18:13 20:35 24:995 25:1 31:1
32:63 33:3 38:361 40:64 41:397 44:2
47:8 52:3 55:3 56:3 57:21 58:476
59:414 60:384 61:990 62:937 63:1980 64:3297
65:2374 66:3574 67:912 68:676 69:2017 70:466
71:107 72:1436 73:7 74:716 75:263 76:156
77:430 78:276 79:17 80:873 81:798 82:570
83:350 84:616 85:827 86:359 87:595 88:284
89:1021 90:39 91:745 92:5 96:2 97:6
98:13 116:433 117:224 118:46 121:339 122:642
123:204 124:719 125:1050 128:309 129:195 130:137
131:371 132:55 133:9 134:194 135:34 136:192
137:82 138:153 139:75 140:512 141:146 142:373
143:258 144:325 145:48 146:330 147:125 148:486
149:185 150:113 151:137 152:95 153:122 154:11
155:260 156:164 157:225 158:160 159:197 160:156
161:102 162:190 163:184 164:492 165:406 166:290
167:309 168:516 169:130 170:416 171:29 172:3
173:1 189:114 190:1209 192:5735 193:4036 194:3205
195:2328 196:930 198:3798 199:3229 200:5225 201:1276
202:7465 203:7839 204:3987 205:2000 206:2413 207:2785
208:2963 209:3601 210:2496 211:1107 212:1309 213:1545
214:423 215:44 216:4088 217:1189 218:320 219:400
220:1012 221:409 222:266
End of report
