[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 07 May, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 255551
Prefixes after maximum aggregation: 127064
Deaggregation factor: 2.01
Unique aggregates announced to Internet: 123991
Total ASes present in the Internet Routing Table: 28119
Prefixes per ASN: 9.09
Origin-only ASes present in the Internet Routing Table: 24518
Origin ASes announcing only one prefix: 11425
Transit ASes present in the Internet Routing Table: 3601
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: 18
Max AS path prepend of ASN (44859) 15
Prefixes from unregistered ASNs in the Routing Table: 25327
Unregistered ASNs in the Routing Table: 1889
Number of 32-bit ASNs allocated by the RIRs: 46
Prefixes from 32-bit ASNs in the Routing Table: 11
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 787
Number of addresses announced to Internet: 1848910624
Equivalent to 110 /8s, 52 /16s and 35 /24s
Percentage of available address space announced: 49.9
Percentage of allocated address space announced: 61.3
Percentage of available address space allocated: 81.4
Percentage of address space in use by end-sites: 71.7
Total number of prefixes smaller than registry allocations: 123128
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 43142
Total APNIC prefixes after maximum aggregation: 13469
APNIC Deaggregation factor: 3.20
Prefixes being announced from the APNIC address blocks: 55526
Unique aggregates announced from the APNIC address blocks: 23586
APNIC Region origin ASes present in the Internet Routing Table: 1935
APNIC Prefixes per ASN: 28.70
APNIC Region origin ASes announcing only one prefix: 548
APNIC Region transit ASes present in the Internet Routing Table: 351
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 347441376
Equivalent to 20 /8s, 181 /16s and 136 /24s
Percentage of available APNIC address space announced: 79.7
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: 108110
Total ARIN prefixes after maximum aggregation: 59269
ARIN Deaggregation factor: 1.82
Prefixes being announced from the ARIN address blocks: 86769
Unique aggregates announced from the ARIN address blocks: 34367
ARIN Region origin ASes present in the Internet Routing Table: 11791
ARIN Prefixes per ASN: 7.36
ARIN Region origin ASes announcing only one prefix: 4612
ARIN Region transit ASes present in the Internet Routing Table: 1037
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 358121216
Equivalent to 21 /8s, 88 /16s and 127 /24s
Percentage of available ARIN address space announced: 73.6
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, 46080-47103
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: 55199
Total RIPE prefixes after maximum aggregation: 33613
RIPE Deaggregation factor: 1.64
Prefixes being announced from the RIPE address blocks: 50404
Unique aggregates announced from the RIPE address blocks: 33707
RIPE Region origin ASes present in the Internet Routing Table: 11292
RIPE Prefixes per ASN: 4.46
RIPE Region origin ASes announcing only one prefix: 5907
RIPE Region transit ASes present in the Internet Routing Table: 1720
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 355642240
Equivalent to 21 /8s, 50 /16s and 171 /24s
Percentage of available RIPE address space announced: 81.5
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, 47104 - 48127
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: 19936
Total LACNIC prefixes after maximum aggregation: 4968
LACNIC Deaggregation factor: 4.01
Prefixes being announced from the LACNIC address blocks: 18377
Unique aggregates announced from the LACNIC address blocks: 9883
LACNIC Region origin ASes present in the Internet Routing Table: 895
LACNIC Prefixes per ASN: 20.53
LACNIC Region origin ASes announcing only one prefix: 280
LACNIC Region transit ASes present in the Internet Routing Table: 152
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 50992896
Equivalent to 3 /8s, 10 /16s and 23 /24s
Percentage of available LACNIC address space announced: 50.7
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: 3836
Total AfriNIC prefixes after maximum aggregation: 1210
AfriNIC Deaggregation factor: 3.17
Prefixes being announced from the AfriNIC address blocks: 4167
Unique aggregates announced from the AfriNIC address blocks: 1846
AfriNIC Region origin ASes present in the Internet Routing Table: 242
AfriNIC Prefixes per ASN: 17.22
AfriNIC Region origin ASes announcing only one prefix: 78
AfriNIC Region transit ASes present in the Internet Routing Table: 49
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 11774208
Equivalent to 0 /8s, 179 /16s and 169 /24s
Percentage of available AfriNIC address space announced: 35.1
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 1631 387 91 Videsh Sanchar Nigam Ltd. Aut
9583 1183 140 16 Sify Limited
9498 1169 550 61 BHARTI BT INTERNET LTD.
17488 1058 70 81 Hathway IP Over Cable Interne
4134 855 12615 319 CHINANET-BACKBONE
4766 850 6006 345 Korea Telecom (KIX)
18101 680 149 54 Reliance Infocom Ltd Internet
9829 598 450 12 BSNL National Internet Backbo
1221 544 1918 418 Telstra Pty Ltd
4808 516 829 129 CNCGROUP IP network: China169
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
4323 1423 1014 377 Time Warner Telecom
7018 1399 5976 996 AT&T WorldNet Services
2386 1398 642 864 AT&T Data Communications Serv
11492 1212 146 33 Cable One
7011 1095 319 624 Citizens Utilities
18566 1044 296 10 Covad Communications
1785 1017 511 106 AppliedTheory Corporation
6197 988 598 508 BellSouth Network Solutions,
174 970 6835 802 Cogent Communications
22773 948 2394 62 Cox Communications, 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
9198 427 74 9 Kazakhtelecom Data Network Ad
3292 408 1788 368 TDC Tele Danmark
8452 356 188 7 TEDATA
3301 338 1458 306 TeliaNet Sweden
3320 324 7044 267 Deutsche Telekom AG
8866 298 78 24 Bulgarian Telecommunication C
5462 292 666 26 Telewest Broadband
8551 282 269 37 Bezeq International
3215 277 2678 89 France Telecom Transpac
680 272 2047 262 DFN-IP service G-WiN
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 1202 2433 223 UniNet S.A. de C.V.
11830 601 299 9 Instituto Costarricense de El
22047 566 270 14 VTR PUNTO NET S.A.
7303 454 222 60 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 416 85 46 ENTEL CHILE S.A.
11172 415 117 69 Servicios Alestra S.A de C.V
10620 390 99 69 TVCABLE BOGOTA
14117 384 25 15 Telefonica del Sur S.A.
20299 343 36 31 NEWCOM AMERICAS
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 464 61 27 LINKdotNET AS number
3741 289 853 223 The Internet Solution
20858 218 34 3 EgyNet
2018 173 189 83 Tertiary Education Network
5713 168 560 120 Telkom SA Ltd
6713 143 135 11 Itissalat Al-MAGHRIB
33783 134 10 12 EEPAD TISP TELECOM & INTERNET
5536 121 8 16 Internet Egypt Network
29571 116 13 8 Ci Telecom Autonomous system
33776 99 6 7 Starcomms Nigeria Limited
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
6389 2898 3021 117 bellsouth.net, inc.
23577 1640 34 701 Korea Telecom (ATM-MPLS)
4755 1631 387 91 Videsh Sanchar Nigam Ltd. Aut
4323 1423 1014 377 Time Warner Telecom
7018 1399 5976 996 AT&T WorldNet Services
2386 1398 642 864 AT&T Data Communications Serv
11492 1212 146 33 Cable One
8151 1202 2433 223 UniNet S.A. de C.V.
9583 1183 140 16 Sify Limited
9498 1169 550 61 BHARTI BT INTERNET LTD.
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1631 1540 Videsh Sanchar Nigam Ltd. Aut
11492 1212 1179 Cable One
9583 1183 1167 Sify Limited
9498 1169 1108 BHARTI BT INTERNET LTD.
4323 1423 1046 Time Warner Telecom
18566 1044 1034 Covad Communications
8151 1202 979 UniNet S.A. de C.V.
17488 1058 977 Hathway IP Over Cable Interne
17676 1016 951 Softbank BB Corp.
23577 1640 939 Korea Telecom (ATM-MPLS)
Complete listing at http://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
14780 UNALLOCATED 4.79.181.0/24 10310 Yahoo!
12180 UNALLOCATED 4.79.248.0/24 1239 Sprint
12180 UNALLOCATED 8.10.16.0/24 3549 Global Crossing
12180 UNALLOCATED 8.10.58.0/23 3549 Global Crossing
14779 UNALLOCATED 8.12.144.0/24 10310 Yahoo!
16927 UNALLOCATED 12.0.252.0/23 701 UUNET Technologies,
22492 UNALLOCATED 12.2.46.0/24 1239 Sprint
15132 UNALLOCATED 12.9.150.0/24 701 UUNET Technologies,
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications
Complete listing at http://thyme.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
24.51.159.0/24 7843 Adelphia Corp.
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.75.160.0/19 7843 Adelphia Corp.
24.75.192.0/18 7843 Adelphia Corp.
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
41.215.0.0/17 15808 Communication Solutions Ltd i
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
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 /8:18 /9:9 /10:16 /11:42 /12:139
/13:279 /14:506 /15:1001 /16:9896 /17:4360 /18:7271
/19:15400 /20:17791 /21:17231 /22:21710 /23:22738 /24:134803
/25:781 /26:935 /27:497 /28:110 /29:9 /30:1
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1198 1212 Cable One
2386 1098 1398 AT&T Data Communications Serv
18566 1025 1044 Covad Communications
9583 1018 1183 Sify Limited
7011 978 1095 Citizens Utilities
4755 977 1631 Videsh Sanchar Nigam Ltd. Aut
6478 934 935 AT&T Worldnet Services
6389 898 2898 bellsouth.net, inc.
17488 870 1058 Hathway IP Over Cable Interne
9498 844 1169 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 8:106 12:2029 13:1 15:20 16:3
17:5 18:13 20:35 24:1072 25:1 32:61
33:4 38:422 40:94 41:662 44:2 47:8
52:3 55:3 56:3 57:22 58:520 59:459
60:441 61:982 62:1125 63:1956 64:3413 65:2432
66:3642 67:1177 68:672 69:2206 70:597 71:125
72:1674 73:6 74:950 75:229 76:305 77:645
78:613 79:151 80:905 81:864 82:627 83:386
84:553 85:990 86:404 87:661 88:346 89:1297
90:11 91:1194 92:298 93:435 96:27 97:14
98:155 99:3 116:645 117:298 118:125 119:374
120:25 121:526 122:764 123:324 124:852 125:1125
128:321 129:198 130:129 131:404 132:67 133:9
134:180 135:31 136:222 137:112 138:149 139:320
140:483 141:96 142:400 143:285 144:349 145:51
146:361 147:151 148:507 149:183 150:131 151:181
152:142 153:133 154:10 155:268 156:173 157:267
158:166 159:221 160:253 161:111 162:211 163:196
164:520 165:448 166:306 167:319 168:610 169:128
170:423 171:28 172:2 189:194 190:1830 192:5773
193:4103 194:3262 195:2428 196:1067 198:3733 199:3227
200:5692 201:1457 202:7598 203:7821 204:4005 205:2083
206:2393 207:2742 208:3304 209:3435 210:2534 211:1045
212:1383 213:1653 214:459 215:50 216:4337 217:1221
218:346 219:406 220:1068 221:479 222:294
End of report
