[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 26 Mar, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 249779
Prefixes after maximum aggregation: 125839
Deaggregation factor: 1.98
Unique aggregates announced to Internet: 121610
Total ASes present in the Internet Routing Table: 27715
Prefixes per ASN: 9.01
Origin-only ASes present in the Internet Routing Table: 24166
Origin ASes announcing only one prefix: 11202
Transit ASes present in the Internet Routing Table: 3549
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: 18
Max AS path prepend of ASN (15941) 12
Prefixes from unregistered ASNs in the Routing Table: 25287
Unregistered ASNs in the Routing Table: 1928
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: 875
Number of addresses announced to Internet: 1848521984
Equivalent to 110 /8s, 46 /16s and 53 /24s
Percentage of available address space announced: 49.9
Percentage of allocated address space announced: 61.2
Percentage of available address space allocated: 81.4
Percentage of address space in use by end-sites: 71.0
Total number of prefixes smaller than registry allocations: 118808
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 42228
Total APNIC prefixes after maximum aggregation: 13432
APNIC Deaggregation factor: 3.14
Prefixes being announced from the APNIC address blocks: 54360
Unique aggregates announced from the APNIC address blocks: 23466
APNIC Region origin ASes present in the Internet Routing Table: 1903
APNIC Prefixes per ASN: 28.57
APNIC Region origin ASes announcing only one prefix: 552
APNIC Region transit ASes present in the Internet Routing Table: 346
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 336892000
Equivalent to 20 /8s, 20 /16s and 144 /24s
Percentage of available APNIC address space announced: 77.2
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: 106452
Total ARIN prefixes after maximum aggregation: 58616
ARIN Deaggregation factor: 1.82
Prefixes being announced from the ARIN address blocks: 85240
Unique aggregates announced from the ARIN address blocks: 33767
ARIN Region origin ASes present in the Internet Routing Table: 11647
ARIN Prefixes per ASN: 7.32
ARIN Region origin ASes announcing only one prefix: 4519
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: 15
Number of ARIN addresses announced to Internet: 360415744
Equivalent to 21 /8s, 123 /16s and 130 /24s
Percentage of available ARIN address space announced: 74.1
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, 64/8, 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: 53075
Total RIPE prefixes after maximum aggregation: 33003
RIPE Deaggregation factor: 1.61
Prefixes being announced from the RIPE address blocks: 48633
Unique aggregates announced from the RIPE address blocks: 32644
RIPE Region origin ASes present in the Internet Routing Table: 11063
RIPE Prefixes per ASN: 4.40
RIPE Region origin ASes announcing only one prefix: 5773
RIPE Region transit ASes present in the Internet Routing Table: 1682
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 348043552
Equivalent to 20 /8s, 190 /16s and 185 /24s
Percentage of available RIPE address space announced: 79.8
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: 19135
Total LACNIC prefixes after maximum aggregation: 4770
LACNIC Deaggregation factor: 4.01
Prefixes being announced from the LACNIC address blocks: 17513
Unique aggregates announced from the LACNIC address blocks: 9562
LACNIC Region origin ASes present in the Internet Routing Table: 879
LACNIC Prefixes per ASN: 19.92
LACNIC Region origin ASes announcing only one prefix: 278
LACNIC Region transit ASes present in the Internet Routing Table: 153
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 16
Number of LACNIC addresses announced to Internet: 49796224
Equivalent to 2 /8s, 247 /16s and 212 /24s
Percentage of available LACNIC address space announced: 49.5
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: 3601
Total AfriNIC prefixes after maximum aggregation: 1120
AfriNIC Deaggregation factor: 3.22
Prefixes being announced from the AfriNIC address blocks: 4002
Unique aggregates announced from the AfriNIC address blocks: 1805
AfriNIC Region origin ASes present in the Internet Routing Table: 234
AfriNIC Prefixes per ASN: 17.10
AfriNIC Region origin ASes announcing only one prefix: 80
AfriNIC Region transit ASes present in the Internet Routing Table: 44
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 10160128
Equivalent to 0 /8s, 155 /16s and 8 /24s
Percentage of available AfriNIC address space announced: 30.3
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 1613 386 85 Videsh Sanchar Nigam Ltd. Aut
9583 1150 133 154 Sify Limited
9498 1121 550 63 BHARTI BT INTERNET LTD.
17488 1038 67 81 Hathway IP Over Cable Interne
4134 855 12473 317 CHINANET-BACKBONE
4766 849 6005 340 Korea Telecom (KIX)
18101 672 126 51 Reliance Infocom Ltd Internet
9829 594 449 11 BSNL National Internet Backbo
4812 561 967 91 China Telecom (Shanghai)
1221 544 1950 419 Telstra Pty Ltd
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 1421 5926 1002 AT&T WorldNet Services
4323 1391 1028 367 Time Warner Telecom
2386 1390 657 850 AT&T Data Communications Serv
11492 1216 146 23 Cable One
7011 1079 314 616 Citizens Utilities
18566 1046 296 10 Covad Communications
1785 1008 479 107 AppliedTheory Corporation
6197 990 728 477 BellSouth Network Solutions,
174 965 6835 813 Cogent Communications
6478 936 238 113 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 395 1776 360 TDC Tele Danmark
8452 358 188 7 TEDATA
3301 341 1459 310 TeliaNet Sweden
3320 322 7045 267 Deutsche Telekom AG
8866 293 78 24 Bulgarian Telecommunication C
3215 277 2655 91 France Telecom Transpac
5462 275 666 26 Telewest Broadband
6746 264 127 242 Dynamic Network Technologies,
680 259 2046 258 DFN-IP service G-WiN
8708 254 421 245 Romania Data Systems S.A.
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 1189 2449 220 UniNet S.A. de C.V.
11830 556 299 9 Instituto Costarricense de El
7303 451 220 59 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
11172 406 116 68 Servicios Alestra S.A de C.V
6471 398 85 40 ENTEL CHILE S.A.
10620 393 103 51 TVCABLE BOGOTA
14117 352 25 15 Telefonica del Sur S.A.
22047 322 270 14 VTR PUNTO NET S.A.
10481 310 152 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
24863 450 60 27 LINKdotNET AS number
3741 287 869 223 The Internet Solution
2018 257 276 112 Tertiary Education Network
20858 216 34 3 EgyNet
6713 143 135 11 Itissalat Al-MAGHRIB
33783 130 9 16 EEPAD TISP TELECOM & INTERNET
5536 121 8 16 Internet Egypt Network
33776 99 6 7 Starcomms Nigeria Limited
24835 89 48 7 RAYA Telecom - Egypt
2905 83 176 74 The Internetworking Company o
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 1772 2992 85 bellsouth.net, inc.
23577 1634 34 699 Korea Telecom (ATM-MPLS)
4755 1613 386 85 Videsh Sanchar Nigam Ltd. Aut
7018 1421 5926 1002 AT&T WorldNet Services
4323 1391 1028 367 Time Warner Telecom
2386 1390 657 850 AT&T Data Communications Serv
11492 1216 146 23 Cable One
8151 1189 2449 220 UniNet S.A. de C.V.
9583 1150 133 154 Sify Limited
9498 1121 550 63 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 1613 1528 Videsh Sanchar Nigam Ltd. Aut
11492 1216 1193 Cable One
9498 1121 1058 BHARTI BT INTERNET LTD.
18566 1046 1036 Covad Communications
4323 1391 1024 Time Warner Telecom
9583 1150 996 Sify Limited
8151 1189 969 UniNet S.A. de C.V.
17488 1038 957 Hathway IP Over Cable Interne
17676 1018 952 Softbank BB Corp.
23577 1634 935 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
26478 UNALLOCATED 8.7.228.0/24 6461 AboveNet Communicati
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 7018 AT&T WorldNet Servic
22492 UNALLOCATED 12.2.46.0/24 1239 Sprint
14984 UNALLOCATED 12.2.192.0/24 7132 SBC Internet Service
15132 UNALLOCATED 12.9.150.0/24 701 UUNET Technologies,
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 19548 Adelphia Business Solutions
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
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
63.140.213.0/24 22555 Universal Talkware Corporatio
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 /10:16 /11:40 /12:137
/13:277 /14:500 /15:996 /16:9806 /17:4309 /18:7289
/19:15262 /20:17505 /21:16734 /22:21198 /23:22297 /24:131059
/25:770 /26:945 /27:487 /28:106 /29:9 /30:1
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1202 1216 Cable One
2386 1093 1390 AT&T Data Communications Serv
18566 1027 1046 Covad Communications
9583 988 1150 Sify Limited
7011 961 1079 Citizens Utilities
4755 960 1613 Videsh Sanchar Nigam Ltd. Aut
6478 935 936 AT&T Worldnet Services
17488 853 1038 Hathway IP Over Cable Interne
23577 808 1634 Korea Telecom (ATM-MPLS)
9498 797 1121 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 8:102 11:1 12:1998 13:1 15:21
16:3 17:6 18:13 20:35 24:1040 25:1
32:60 33:4 38:402 40:95 41:624 44:2
47:8 52:3 55:3 56:3 57:22 58:513
59:428 60:423 61:988 62:1090 63:1959 64:3340
65:2362 66:3614 67:1067 68:647 69:2104 70:510
71:128 72:1508 73:6 74:899 75:221 76:276
77:628 78:548 79:119 80:881 81:827 82:608
83:368 84:549 85:938 86:386 87:627 88:309
89:1201 90:11 91:1122 92:237 93:153 96:18
97:16 98:100 99:3 116:575 117:276 118:81
119:352 121:454 122:721 123:302 124:806 125:1126
128:320 129:199 130:124 131:402 132:67 133:9
134:188 135:32 136:222 137:119 138:154 139:65
140:484 141:110 142:377 143:279 144:347 145:54
146:335 147:132 148:498 149:180 150:122 151:159
152:142 153:127 154:11 155:264 156:207 157:254
158:167 159:222 160:265 161:110 162:206 163:196
164:572 165:432 166:296 167:314 168:594 169:131
170:423 171:28 172:3 189:160 190:1548 192:5767
193:4096 194:3254 195:2373 196:1070 198:3762 199:3229
200:5497 201:1319 202:7523 203:7752 204:3990 205:2085
206:2412 207:2717 208:3214 209:3471 210:2520 211:1035
212:1327 213:1605 214:458 215:48 216:4264 217:1212
218:348 219:404 220:1060 221:403 222:313
End of report
