[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 17 Mar, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 248908
Prefixes after maximum aggregation: 125450
Deaggregation factor: 1.98
Unique aggregates announced to Internet: 120947
Total ASes present in the Internet Routing Table: 27652
Prefixes per ASN: 9.00
Origin-only ASes present in the Internet Routing Table: 24111
Origin ASes announcing only one prefix: 11680
Transit ASes present in the Internet Routing Table: 3541
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: 19
Max AS path prepend of ASN (43380) 13
Prefixes from unregistered ASNs in the Routing Table: 48
Unregistered ASNs in the Routing Table: 19
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: 858
Number of addresses announced to Internet: 1844987392
Equivalent to 109 /8s, 248 /16s and 70 /24s
Percentage of available address space announced: 49.8
Percentage of allocated address space announced: 61.1
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: 118219
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 56524
Total APNIC prefixes after maximum aggregation: 20871
APNIC Deaggregation factor: 2.71
Prefixes being announced from the APNIC address blocks: 54103
Unique aggregates announced from the APNIC address blocks: 23152
APNIC Region origin ASes present in the Internet Routing Table: 3163
APNIC Prefixes per ASN: 17.10
APNIC Region origin ASes announcing only one prefix: 847
APNIC Region transit ASes present in the Internet Routing Table: 486
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 335580768
Equivalent to 20 /8s, 0 /16s and 142 /24s
Percentage of available APNIC address space announced: 76.9
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: 116444
Total ARIN prefixes after maximum aggregation: 65592
ARIN Deaggregation factor: 1.78
Prefixes being announced from the ARIN address blocks: 85097
Unique aggregates announced from the ARIN address blocks: 33628
ARIN Region origin ASes present in the Internet Routing Table: 12224
ARIN Prefixes per ASN: 6.96
ARIN Region origin ASes announcing only one prefix: 4703
ARIN Region transit ASes present in the Internet Routing Table: 1143
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 358809984
Equivalent to 21 /8s, 99 /16s and 1 /24s
Percentage of available ARIN address space announced: 73.7
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: 53239
Total RIPE prefixes after maximum aggregation: 33080
RIPE Deaggregation factor: 1.61
Prefixes being announced from the RIPE address blocks: 48363
Unique aggregates announced from the RIPE address blocks: 32543
RIPE Region origin ASes present in the Internet Routing Table: 11042
RIPE Prefixes per ASN: 4.38
RIPE Region origin ASes announcing only one prefix: 5755
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: 347567392
Equivalent to 20 /8s, 183 /16s and 117 /24s
Percentage of available RIPE address space announced: 79.7
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: 19071
Total LACNIC prefixes after maximum aggregation: 4762
LACNIC Deaggregation factor: 4.00
Prefixes being announced from the LACNIC address blocks: 17399
Unique aggregates announced from the LACNIC address blocks: 9491
LACNIC Region origin ASes present in the Internet Routing Table: 912
LACNIC Prefixes per ASN: 19.08
LACNIC Region origin ASes announcing only one prefix: 299
LACNIC Region transit ASes present in the Internet Routing Table: 154
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 49729536
Equivalent to 2 /8s, 246 /16s and 208 /24s
Percentage of available LACNIC address space announced: 49.4
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: 3580
Total AfriNIC prefixes after maximum aggregation: 1129
AfriNIC Deaggregation factor: 3.17
Prefixes being announced from the AfriNIC address blocks: 3993
Unique aggregates announced from the AfriNIC address blocks: 1809
AfriNIC Region origin ASes present in the Internet Routing Table: 231
AfriNIC Prefixes per ASN: 17.29
AfriNIC Region origin ASes announcing only one prefix: 76
AfriNIC Region transit ASes present in the Internet Routing Table: 43
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 10123264
Equivalent to 0 /8s, 154 /16s and 120 /24s
Percentage of available AfriNIC address space announced: 30.2
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 1548 381 127 Videsh Sanchar Nigam Ltd. Aut
9498 1157 550 65 BHARTI BT INTERNET LTD.
9583 1149 109 26 Sify Limited
17488 1024 66 79 Hathway IP Over Cable Interne
4134 856 12473 317 CHINANET-BACKBONE
4766 849 6005 340 Korea Telecom (KIX)
23577 817 34 699 Korea Telecom (ATM-MPLS)
18101 673 126 53 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 1421 5926 1003 AT&T WorldNet Services
4323 1389 1012 365 Time Warner Telecom
2386 1387 656 846 AT&T Data Communications Serv
11492 1215 146 23 Cable One
7011 1063 309 607 Citizens Utilities
18566 1043 296 10 Covad Communications
1785 1004 479 106 AppliedTheory Corporation
6197 989 728 476 BellSouth Network Solutions,
174 962 6835 813 Cogent Communications
6478 922 236 133 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 398 1778 363 TDC Tele Danmark
8452 385 188 7 TEDATA
3301 345 1443 311 TeliaNet Sweden
3320 322 7045 267 Deutsche Telekom AG
8866 293 78 24 Bulgarian Telecommunication C
8551 279 267 42 Bezeq International
3215 276 2639 90 France Telecom Transpac
5462 275 666 26 Telewest Broadband
8708 274 421 244 Romania Data Systems S.A.
680 272 2046 258 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 1189 2449 219 UniNet S.A. de C.V.
11830 556 299 9 Instituto Costarricense de El
7303 451 220 60 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
11172 405 116 68 Servicios Alestra S.A de C.V
6471 397 85 40 ENTEL CHILE S.A.
10620 372 98 47 TVCABLE BOGOTA
14117 352 25 15 Telefonica del Sur S.A.
22047 322 270 14 VTR PUNTO NET S.A.
20299 313 35 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 451 60 27 LINKdotNET AS number
3741 290 869 223 The Internet Solution
2018 250 276 119 Tertiary Education Network
20858 215 34 3 EgyNet
6713 143 135 11 Itissalat Al-MAGHRIB
33783 130 9 16 EEPAD TISP TELECOM & INTERNET
5536 120 8 17 Internet Egypt Network
33776 98 6 10 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 1548 381 127 Videsh Sanchar Nigam Ltd. Aut
7018 1421 5926 1003 AT&T WorldNet Services
4323 1389 1012 365 Time Warner Telecom
2386 1387 656 846 AT&T Data Communications Serv
11492 1215 146 23 Cable One
8151 1189 2449 219 UniNet S.A. de C.V.
9498 1157 550 65 BHARTI BT INTERNET LTD.
9583 1149 109 26 Sify Limited
7011 1063 309 607 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 1215 1192 Cable One
9583 1149 1123 Sify Limited
9498 1157 1092 BHARTI BT INTERNET LTD.
18566 1043 1033 Covad Communications
4323 1389 1024 Time Warner Telecom
8151 1189 970 UniNet S.A. de C.V.
17488 1024 945 Hathway IP Over Cable Interne
1785 1004 898 AppliedTheory Corporation
22773 889 827 Cox Communications, Inc.
6389 889 804 bellsouth.net, 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 63.107.123.0/24 701 UUNET Technologies,
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
65382 PRIVATE 72.158.126.0/24 6381 bellsouth.net, inc.
65383 PRIVATE 72.158.127.0/24 6381 bellsouth.net, inc.
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
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
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 /8:19 /9:9 /10:16 /11:39 /12:139
/13:278 /14:499 /15:990 /16:9783 /17:4278 /18:7236
/19:15186 /20:17445 /21:16628 /22:21049 /23:22176 /24:130787
/25:761 /26:981 /27:482 /28:109 /29:9 /30:1
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1201 1215 Cable One
2386 1088 1387 AT&T Data Communications Serv
18566 1024 1043 Covad Communications
9583 986 1149 Sify Limited
7011 947 1063 Citizens Utilities
4755 922 1548 Videsh Sanchar Nigam Ltd. Aut
6478 922 922 AT&T Worldnet Services
17488 839 1024 Hathway IP Over Cable Interne
9498 821 1157 BHARTI BT INTERNET LTD.
23577 808 817 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 24:1044 25:1
32:61 33:4 38:401 40:95 41:628 44:2
46:5 47:8 52:3 55:3 56:3 57:22
58:513 59:420 60:418 61:986 62:1108 63:1969
64:3348 65:2362 66:3613 67:1058 68:647 69:2099
70:513 71:126 72:1495 73:6 74:880 75:236
76:272 77:625 78:526 79:99 80:880 81:843
82:605 83:365 84:541 85:951 86:391 87:633
88:306 89:1203 90:11 91:1099 92:227 93:135
96:18 97:15 98:95 99:2 116:558 117:274
118:81 119:238 121:463 122:710 123:291 124:803
125:1123 128:322 129:201 130:125 131:401 132:69
133:9 134:188 135:32 136:221 137:119 138:154
139:65 140:483 141:109 142:378 143:278 144:340
145:53 146:335 147:132 148:495 149:179 150:121
151:155 152:142 153:133 154:11 155:265 156:207
157:252 158:165 159:219 160:252 161:101 162:206
163:196 164:562 165:431 166:296 167:313 168:592
169:130 170:425 171:29 172:3 189:153 190:1489
192:5768 193:4106 194:3262 195:2359 196:1063 198:3777
199:3218 200:5503 201:1317 202:7557 203:7744 204:4012
205:2105 206:2421 207:2772 208:3215 209:3487 210:2536
211:1026 212:1302 213:1599 214:449 215:48 216:4207
217:1232 218:343 219:393 220:1069 221:403 222:312
End of report
