[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 Mon 10 Mar, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 247745
Prefixes after maximum aggregation: 125170
Deaggregation factor: 1.98
Unique aggregates announced to Internet: 120298
Total ASes present in the Internet Routing Table: 27566
Prefixes per ASN: 8.99
Origin-only ASes present in the Internet Routing Table: 24019
Origin ASes announcing only one prefix: 11653
Transit ASes present in the Internet Routing Table: 3547
Transit-only ASes present in the Internet Routing Table: 78
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 19
Max AS path prepend of ASN (43380) 13
Prefixes from unregistered ASNs in the Routing Table: 40
Unregistered ASNs in the Routing Table: 18
Number of 32-bit ASNs allocated by the RIRs: 46
Prefixes from 32-bit ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 877
Number of addresses announced to Internet: 1857587744
Equivalent to 110 /8s, 184 /16s and 138 /24s
Percentage of available address space announced: 50.1
Percentage of allocated address space announced: 61.5
Percentage of available address space allocated: 81.4
Percentage of address space in use by end-sites: 70.8
Total number of prefixes smaller than registry allocations: 117379
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 56747
Total APNIC prefixes after maximum aggregation: 20926
APNIC Deaggregation factor: 2.71
Prefixes being announced from the APNIC address blocks: 54166
Unique aggregates announced from the APNIC address blocks: 23121
APNIC Region origin ASes present in the Internet Routing Table: 3159
APNIC Prefixes per ASN: 17.15
APNIC Region origin ASes announcing only one prefix: 843
APNIC Region transit ASes present in the Internet Routing Table: 487
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 334833824
Equivalent to 19 /8s, 245 /16s and 40 /24s
Percentage of available APNIC address space announced: 76.8
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 114/8, 115/8, 116/8,
117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8,
124/8, 125/8, 126/8, 202/8, 203/8, 210/8, 211/8,
218/8, 219/8, 220/8, 221/8, 222/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 115648
Total ARIN prefixes after maximum aggregation: 65356
ARIN Deaggregation factor: 1.77
Prefixes being announced from the ARIN address blocks: 84395
Unique aggregates announced from the ARIN address blocks: 33519
ARIN Region origin ASes present in the Internet Routing Table: 12183
ARIN Prefixes per ASN: 6.93
ARIN Region origin ASes announcing only one prefix: 4683
ARIN Region transit ASes present in the Internet Routing Table: 1148
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 356822144
Equivalent to 21 /8s, 68 /16s and 172 /24s
Percentage of available ARIN address space announced: 73.3
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, 64/8, 65/8, 66/8, 67/8, 68/8,
69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8,
76/8, 96/8, 97/8, 98/8, 99/8, 173/8, 174/8,
199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 52852
Total RIPE prefixes after maximum aggregation: 32996
RIPE Deaggregation factor: 1.60
Prefixes being announced from the RIPE address blocks: 47962
Unique aggregates announced from the RIPE address blocks: 32258
RIPE Region origin ASes present in the Internet Routing Table: 11006
RIPE Prefixes per ASN: 4.36
RIPE Region origin ASes announcing only one prefix: 5747
RIPE Region transit ASes present in the Internet Routing Table: 1681
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 346970880
Equivalent to 20 /8s, 174 /16s and 91 /24s
Percentage of available RIPE address space announced: 79.5
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, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 18870
Total LACNIC prefixes after maximum aggregation: 4749
LACNIC Deaggregation factor: 3.97
Prefixes being announced from the LACNIC address blocks: 17230
Unique aggregates announced from the LACNIC address blocks: 9380
LACNIC Region origin ASes present in the Internet Routing Table: 908
LACNIC Prefixes per ASN: 18.98
LACNIC Region origin ASes announcing only one prefix: 302
LACNIC Region transit ASes present in the Internet Routing Table: 156
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 49106432
Equivalent to 2 /8s, 237 /16s and 78 /24s
Percentage of available LACNIC address space announced: 48.8
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 186/8, 187/8, 189/8, 190/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 3586
Total AfriNIC prefixes after maximum aggregation: 1127
AfriNIC Deaggregation factor: 3.18
Prefixes being announced from the AfriNIC address blocks: 4000
Unique aggregates announced from the AfriNIC address blocks: 1798
AfriNIC Region origin ASes present in the Internet Routing Table: 231
AfriNIC Prefixes per ASN: 17.32
AfriNIC Region origin ASes announcing only one prefix: 78
AfriNIC Region transit ASes present in the Internet Routing Table: 42
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 10007552
Equivalent to 0 /8s, 152 /16s and 180 /24s
Percentage of available AfriNIC address space announced: 29.8
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 1544 381 126 Videsh Sanchar Nigam Ltd. Aut
9498 1156 550 66 BHARTI BT INTERNET LTD.
9583 1148 109 25 Sify Limited
17488 1017 65 82 Hathway IP Over Cable Interne
4134 853 12379 314 CHINANET-BACKBONE
4766 847 6005 340 Korea Telecom (KIX)
23577 813 34 696 Korea Telecom (ATM-MPLS)
18101 680 127 60 Reliance Infocom Ltd Internet
9829 595 449 11 BSNL National Internet Backbo
4812 560 951 90 China Telecom (Shanghai)
Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1423 5944 999 AT&T WorldNet Services
4323 1385 1012 366 Time Warner Telecom
2386 1380 638 840 AT&T Data Communications Serv
11492 1211 144 26 Cable One
7011 1063 309 609 Citizens Utilities
18566 1043 296 10 Covad Communications
6197 996 729 476 BellSouth Network Solutions,
1785 975 479 107 AppliedTheory Corporation
174 969 6835 818 Cogent Communications
6478 931 237 110 AT&T Worldnet Services
Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3292 393 1777 359 TDC Tele Danmark
8452 391 188 7 TEDATA
3301 338 1443 307 TeliaNet Sweden
3320 322 7045 267 Deutsche Telekom AG
8866 292 78 24 Bulgarian Telecommunication C
8551 279 267 42 Bezeq International
680 276 2046 256 DFN-IP service G-WiN
5462 275 666 26 Telewest Broadband
8708 275 421 245 Romania Data Systems S.A.
3215 271 2607 94 France Telecom Transpac
Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1191 2449 221 UniNet S.A. de C.V.
11830 556 299 9 Instituto Costarricense de El
7303 449 218 59 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
11172 399 116 64 Servicios Alestra S.A de C.V
6471 398 85 40 ENTEL CHILE S.A.
10620 372 98 47 TVCABLE BOGOTA
14117 352 25 15 Telefonica del Sur S.A.
10481 324 124 10 Prima S.A.
22047 323 270 14 VTR PUNTO NET S.A.
Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 449 60 27 LINKdotNET AS number
3741 288 869 224 The Internet Solution
2018 251 276 118 Tertiary Education Network
20858 217 34 4 EgyNet
6713 143 135 11 Itissalat Al-MAGHRIB
33783 129 9 16 EEPAD TISP TELECOM & INTERNET
5536 121 8 16 Internet Egypt Network
33776 99 6 7 Starcomms Nigeria Limited
24835 90 48 7 RAYA Telecom - Egypt
29571 80 13 7 Ci Telecom Autonomous system
Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
4755 1544 381 126 Videsh Sanchar Nigam Ltd. Aut
7018 1423 5944 999 AT&T WorldNet Services
4323 1385 1012 366 Time Warner Telecom
2386 1380 638 840 AT&T Data Communications Serv
11492 1211 144 26 Cable One
8151 1191 2449 221 UniNet S.A. de C.V.
9498 1156 550 66 BHARTI BT INTERNET LTD.
9583 1148 109 25 Sify Limited
7011 1063 309 609 Citizens Utilities
18566 1043 296 10 Covad Communications
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
11492 1211 1185 Cable One
9583 1148 1123 Sify Limited
9498 1156 1090 BHARTI BT INTERNET LTD.
18566 1043 1033 Covad Communications
4323 1385 1019 Time Warner Telecom
8151 1191 970 UniNet S.A. de C.V.
17488 1017 935 Hathway IP Over Cable Interne
1785 975 868 AppliedTheory Corporation
6478 931 821 AT&T Worldnet Services
22773 886 821 Cox Communications, Inc.
Complete listing at http://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
18506 UNALLOCATED 63.107.123.0/24 33286 Turlock Irrigation D
16886 UNALLOCATED 63.109.3.0/24 1239 Sprint
16886 UNALLOCATED 63.167.139.0/24 1239 Sprint
33526 UNALLOCATED 64.128.26.0/24 4323 Time Warner Telecom
65011 PRIVATE 74.43.150.0/24 7011 Citizens Utilities
65000 PRIVATE 92.62.240.0/20 24750 Cable Internet Syste
64601 PRIVATE 118.232.77.0/24 9924 Taiwan Fixed Network
64601 PRIVATE 118.232.78.0/24 9924 Taiwan Fixed Network
64601 PRIVATE 118.232.224.0/21 9924 Taiwan Fixed Network
Complete listing at http://thyme.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
24.48.10.0/23 19548 Adelphia Business Solutions
24.48.12.0/22 19548 Adelphia Business Solutions
24.48.80.0/21 19548 Adelphia Business Solutions
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.75.192.0/18 19548 Adelphia Business Solutions
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
41.207.64.0/24 36915 Africa Online Kenya
Complete listing at http://thyme.apnic.net/current/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:20 /9:9 /10:16 /11:40 /12:139
/13:278 /14:496 /15:989 /16:9770 /17:4243 /18:7177
/19:15168 /20:17388 /21:16548 /22:20915 /23:21998 /24:129838
/25:891 /26:1125 /27:570 /28:109 /29:9 /30:1
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1198 1211 Cable One
2386 1084 1380 AT&T Data Communications Serv
18566 1024 1043 Covad Communications
9583 985 1148 Sify Limited
7011 946 1063 Citizens Utilities
6478 930 931 AT&T Worldnet Services
4755 918 1544 Videsh Sanchar Nigam Ltd. Aut
17488 832 1017 Hathway IP Over Cable Interne
9498 817 1156 BHARTI BT INTERNET LTD.
23577 804 813 Korea Telecom (ATM-MPLS)
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:100 11:1 12:1996 13:2 15:21
16:3 17:6 18:13 20:35 24:1031 25:1
32:61 33:4 38:401 40:64 41:619 44:2
47:8 52:3 55:3 56:3 57:22 58:512
59:420 60:418 61:981 62:1124 63:1960 64:3343
65:2350 66:3618 67:1022 68:636 69:2093 70:477
71:106 72:1486 73:6 74:851 75:172 76:265
77:583 78:513 79:93 80:879 81:815 82:605
83:356 84:541 85:949 86:392 87:633 88:290
89:1175 90:11 91:1083 92:164 93:135 96:16
97:14 98:71 99:3 116:560 117:271 118:81
119:166 121:447 122:715 123:310 124:815 125:1117
128:322 129:200 130:125 131:400 132:69 133:9
134:188 135:32 136:222 137:118 138:154 139:64
140:490 141:109 142:379 143:268 144:342 145:53
146:334 147:132 148:496 149:178 150:119 151:155
152:144 153:131 154:11 155:265 156:207 157:252
158:164 159:218 160:243 161:98 162:204 163:194
164:565 165:425 166:295 167:310 168:590 169:130
170:426 171:29 172:3 189:158 190:1370 192:5756
193:4099 194:3258 195:2363 196:1082 198:3768 199:3193
200:5471 201:1301 202:7586 203:7739 204:3983 205:2097
206:2398 207:2748 208:3191 209:3474 210:2524 211:1027
212:1314 213:1606 214:443 215:48 216:4184 217:1228
218:339 219:390 220:1076 221:400 222:311
End of report
