[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 Thu 31 Jan, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 242937
Prefixes after maximum aggregation: 124719
Deaggregation factor: 1.95
Unique aggregates announced to Internet: 119258
Total ASes present in the Internet Routing Table: 27221
Prefixes per ASN: 8.92
Origin-only ASes present in the Internet Routing Table: 23731
Origin ASes announcing only one prefix: 11533
Transit ASes present in the Internet Routing Table: 3490
Transit-only ASes present in the Internet Routing Table: 70
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 18
Max AS path prepend of ASN (29642) 15
Prefixes from unregistered ASNs in the Routing Table: 24
Unregistered ASNs in the Routing Table: 13
Number of 32-bit ASNs allocated by the RIRs: 46
Prefixes from 32-bit ASNs in the Routing Table: 10
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 862
Number of addresses announced to Internet: 1823032608
Equivalent to 108 /8s, 169 /16s and 69 /24s
Percentage of available address space announced: 49.2
Percentage of allocated address space announced: 61.1
Percentage of available address space allocated: 80.5
Percentage of address space in use by end-sites: 69.9
Total number of prefixes smaller than registry allocations: 114169
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 55813
Total APNIC prefixes after maximum aggregation: 21113
APNIC Deaggregation factor: 2.64
Prefixes being announced from the APNIC address blocks: 53278
Unique aggregates announced from the APNIC address blocks: 23783
APNIC Region origin ASes present in the Internet Routing Table: 3115
APNIC Prefixes per ASN: 17.10
APNIC Region origin ASes announcing only one prefix: 815
APNIC Region transit ASes present in the Internet Routing Table: 465
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 326998176
Equivalent to 19 /8s, 125 /16s and 152 /24s
Percentage of available APNIC address space announced: 75.0
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: 114765
Total ARIN prefixes after maximum aggregation: 65303
ARIN Deaggregation factor: 1.76
Prefixes being announced from the ARIN address blocks: 83691
Unique aggregates announced from the ARIN address blocks: 33360
ARIN Region origin ASes present in the Internet Routing Table: 12105
ARIN Prefixes per ASN: 6.91
ARIN Region origin ASes announcing only one prefix: 4673
ARIN Region transit ASes present in the Internet Routing Table: 1146
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 355859072
Equivalent to 21 /8s, 53 /16s and 250 /24s
Percentage of available ARIN address space announced: 78.6
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, 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: 51094
Total RIPE prefixes after maximum aggregation: 32474
RIPE Deaggregation factor: 1.57
Prefixes being announced from the RIPE address blocks: 46439
Unique aggregates announced from the RIPE address blocks: 31293
RIPE Region origin ASes present in the Internet Routing Table: 10817
RIPE Prefixes per ASN: 4.29
RIPE Region origin ASes announcing only one prefix: 5683
RIPE Region transit ASes present in the Internet Routing Table: 1655
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 339173120
Equivalent to 20 /8s, 55 /16s and 95 /24s
Percentage of available RIPE address space announced: 77.8
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: 18439
Total LACNIC prefixes after maximum aggregation: 4652
LACNIC Deaggregation factor: 3.96
Prefixes being announced from the LACNIC address blocks: 16834
Unique aggregates announced from the LACNIC address blocks: 9192
LACNIC Region origin ASes present in the Internet Routing Table: 897
LACNIC Prefixes per ASN: 18.77
LACNIC Region origin ASes announcing only one prefix: 293
LACNIC Region transit ASes present in the Internet Routing Table: 151
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 47852800
Equivalent to 2 /8s, 218 /16s and 45 /24s
Percentage of available LACNIC address space announced: 47.5
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: 2808
Total AfriNIC prefixes after maximum aggregation: 1157
AfriNIC Deaggregation factor: 2.43
Prefixes being announced from the AfriNIC address blocks: 3132
Unique aggregates announced from the AfriNIC address blocks: 1653
AfriNIC Region origin ASes present in the Internet Routing Table: 216
AfriNIC Prefixes per ASN: 14.50
AfriNIC Region origin ASes announcing only one prefix: 69
AfriNIC Region transit ASes present in the Internet Routing Table: 39
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC addresses announced to Internet: 9471488
Equivalent to 0 /8s, 144 /16s and 134 /24s
Percentage of available AfriNIC address space announced: 28.2
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 1553 384 75 Videsh Sanchar Nigam Ltd. Aut
9583 1117 83 434 Sify Limited
9498 1114 549 62 BHARTI BT INTERNET LTD.
17488 961 62 87 Hathway IP Over Cable Interne
4134 862 11729 310 CHINANET-BACKBONE
4766 842 5494 341 Korea Telecom (KIX)
23577 817 34 696 Korea Telecom (ATM-MPLS)
18101 609 128 64 Reliance Infocom Ltd Internet
4780 598 310 44 Digital United Inc.
9829 579 449 11 BSNL National Internet Backbo
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 1459 6076 988 AT&T WorldNet Services
4323 1389 1012 366 Time Warner Telecom
2386 1350 633 827 AT&T Data Communications Serv
11492 1212 135 17 Cable One
18566 1041 296 10 Covad Communications
6197 1035 739 513 BellSouth Network Solutions,
7011 1034 301 596 Citizens Utilities
174 971 6833 812 Cogent Communications
6478 910 234 99 AT&T Worldnet Services
701 896 6559 686 UUNET Technologies, Inc.
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 395 1650 360 TDC Tele Danmark
3301 331 1458 302 TeliaNet Sweden
3320 321 6020 266 Deutsche Telekom AG
8866 280 78 24 Bulgarian Telecommunication C
8551 279 267 42 Bezeq International
680 275 2046 256 DFN-IP service G-WiN
3215 271 2591 93 France Telecom Transpac
8708 271 420 241 Romania Data Systems S.A.
6746 265 128 244 Dynamic Network Technologies,
8452 259 175 17 TEDATA
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 1150 2390 218 UniNet S.A. de C.V.
11830 547 299 9 Instituto Costarricense de El
7303 436 212 59 Telecom Argentina Stet-France
16814 428 27 11 NSS, S.A.
6471 394 85 39 ENTEL CHILE S.A.
11172 393 115 62 Servicios Alestra S.A de C.V
10620 352 92 26 TVCABLE BOGOTA
14117 351 23 16 Telefonica del Sur S.A.
22047 323 270 14 VTR PUNTO NET S.A.
10481 301 120 10 Prima 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
3741 279 869 225 The Internet Solution
24863 174 35 62 LINKdotNET AS number
6713 143 135 11 Itissalat Al-MAGHRIB
2018 142 268 114 Tertiary Education Network
33783 129 9 15 EEPAD TISP TELECOM & INTERNET
5536 124 8 10 Internet Egypt Network
33776 99 6 7 Starcomms Nigeria Limited
15475 97 84 4 Nile Online
23889 78 24 16 MAURITIUS TELECOM
29571 77 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 1553 384 75 Videsh Sanchar Nigam Ltd. Aut
7018 1459 6076 988 AT&T WorldNet Services
4323 1389 1012 366 Time Warner Telecom
2386 1350 633 827 AT&T Data Communications Serv
11492 1212 135 17 Cable One
8151 1150 2390 218 UniNet S.A. de C.V.
9583 1117 83 434 Sify Limited
9498 1114 549 62 BHARTI BT INTERNET LTD.
18566 1041 296 10 Covad Communications
6197 1035 739 513 BellSouth Network Solutions,
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
11492 1212 1195 Cable One
9498 1114 1052 BHARTI BT INTERNET LTD.
18566 1041 1031 Covad Communications
4323 1389 1023 Time Warner Telecom
8151 1150 932 UniNet S.A. de C.V.
17488 961 874 Hathway IP Over Cable Interne
6478 910 811 AT&T Worldnet Services
22773 846 788 Cox Communications, Inc.
19262 878 728 Verizon Global Networks
9583 1117 683 Sify Limited
Complete listing at http://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
15190 UNALLOCATED 63.98.176.0/24 701 UUNET Technologies,
18506 UNALLOCATED 63.107.123.0/24 33286 Turlock Irrigation D
14699 UNALLOCATED 63.238.252.0/24 30517 Great Lakes Comnet,
14699 UNALLOCATED 63.238.253.0/24 30517 Great Lakes Comnet,
14699 UNALLOCATED 64.85.144.0/22 30517 Great Lakes Comnet,
33526 UNALLOCATED 64.128.26.0/24 4323 Time Warner Telecom
14699 UNALLOCATED 65.112.79.0/24 30517 Great Lakes Comnet,
21624 UNALLOCATED 65.163.176.0/24 701 UUNET Technologies,
14699 UNALLOCATED 72.35.42.0/24 30517 Great Lakes Comnet,
14699 UNALLOCATED 72.35.43.0/24 30517 Great Lakes Comnet,
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 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
60.253.0.0/18 27572 Connexion by Boeing
60.253.64.0/19 27572 Connexion by Boeing
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 /8:19 /9:9 /10:15 /11:39 /12:137
/13:275 /14:491 /15:973 /16:9748 /17:4212 /18:7016
/19:14917 /20:17098 /21:16107 /22:20373 /23:21459 /24:127406
/25:864 /26:1092 /27:562 /28:107 /29:9 /30:1
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1202 1212 Cable One
2386 1051 1350 AT&T Data Communications Serv
18566 1022 1041 Covad Communications
9583 963 1117 Sify Limited
7011 918 1034 Citizens Utilities
4755 914 1553 Videsh Sanchar Nigam Ltd. Aut
6478 909 910 AT&T Worldnet Services
23577 808 817 Korea Telecom (ATM-MPLS)
7018 796 1459 AT&T WorldNet Services
9498 785 1114 BHARTI BT INTERNET LTD.
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:98 12:1953 13:2 15:21 16:3
17:6 18:14 20:35 22:1 24:1012 25:1
31:1 32:61 33:4 38:385 40:65 41:430
44:2 47:8 52:3 55:3 56:3 57:22
58:511 59:421 60:408 61:981 62:1000 63:1973
64:3363 65:2359 66:3608 67:1059 68:635 69:2081
70:473 71:103 72:1485 73:7 74:802 75:170
76:197 77:484 78:342 79:73 80:882 81:790
82:563 83:348 84:420 85:946 86:367 87:611
88:309 89:1097 90:42 91:951 92:102 93:54
95:1 96:3 97:9 98:38 114:1 115:1
116:493 117:225 118:66 119:92 121:412 122:660
123:271 124:781 125:1081 128:308 129:197 130:133
131:389 132:68 133:9 134:188 135:36 136:217
137:85 138:156 139:79 140:501 141:107 142:378
143:266 144:289 145:51 146:337 147:132 148:484
149:177 150:120 151:139 152:95 153:130 154:11
155:283 156:198 157:250 158:163 159:216 160:215
161:96 162:199 163:182 164:549 165:417 166:294
167:308 168:566 169:132 170:432 171:28 172:3
173:1 189:146 190:1351 192:5765 193:4093 194:3234
195:2328 196:913 198:3773 199:3199 200:5424 201:1275
202:7450 203:7902 204:3960 205:2059 206:2428 207:2730
208:3132 209:3623 210:2619 211:1023 212:1252 213:1543
214:450 215:40 216:4129 217:1207 218:337 219:400
220:1001 221:406 222:307
End of report
