[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 Tue 19 Feb, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 246300
Prefixes after maximum aggregation: 125381
Deaggregation factor: 1.96
Unique aggregates announced to Internet: 120635
Total ASes present in the Internet Routing Table: 27391
Prefixes per ASN: 8.99
Origin-only ASes present in the Internet Routing Table: 23882
Origin ASes announcing only one prefix: 11589
Transit ASes present in the Internet Routing Table: 3509
Transit-only ASes present in the Internet Routing Table: 74
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 19
Max AS path prepend of ASN (29642) 15
Prefixes from unregistered ASNs in the Routing Table: 35
Unregistered ASNs in the Routing Table: 10
Number of 32-bit ASNs allocated by the RIRs: 46
Prefixes from 32-bit ASNs in the Routing Table: 9
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 871
Number of addresses announced to Internet: 1834849952
Equivalent to 109 /8s, 93 /16s and 150 /24s
Percentage of available address space announced: 49.5
Percentage of allocated address space announced: 60.8
Percentage of available address space allocated: 81.4
Percentage of address space in use by end-sites: 70.2
Total number of prefixes smaller than registry allocations: 116512
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 56585
Total APNIC prefixes after maximum aggregation: 21159
APNIC Deaggregation factor: 2.67
Prefixes being announced from the APNIC address blocks: 54094
Unique aggregates announced from the APNIC address blocks: 23938
APNIC Region origin ASes present in the Internet Routing Table: 3132
APNIC Prefixes per ASN: 17.27
APNIC Region origin ASes announcing only one prefix: 822
APNIC Region transit ASes present in the Internet Routing Table: 481
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 329870496
Equivalent to 19 /8s, 169 /16s and 108 /24s
Percentage of available APNIC address space announced: 75.6
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: 115450
Total ARIN prefixes after maximum aggregation: 65609
ARIN Deaggregation factor: 1.76
Prefixes being announced from the ARIN address blocks: 84215
Unique aggregates announced from the ARIN address blocks: 33617
ARIN Region origin ASes present in the Internet Routing Table: 12146
ARIN Prefixes per ASN: 6.93
ARIN Region origin ASes announcing only one prefix: 4687
ARIN Region transit ASes present in the Internet Routing Table: 1150
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 357249920
Equivalent to 21 /8s, 75 /16s and 51 /24s
Percentage of available ARIN address space announced: 73.4
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: 52221
Total RIPE prefixes after maximum aggregation: 32763
RIPE Deaggregation factor: 1.59
Prefixes being announced from the RIPE address blocks: 47369
Unique aggregates announced from the RIPE address blocks: 31777
RIPE Region origin ASes present in the Internet Routing Table: 10908
RIPE Prefixes per ASN: 4.34
RIPE Region origin ASes announcing only one prefix: 5712
RIPE Region transit ASes present in the Internet Routing Table: 1656
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 346055680
Equivalent to 20 /8s, 160 /16s and 100 /24s
Percentage of available RIPE address space announced: 79.3
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: 18610
Total LACNIC prefixes after maximum aggregation: 4707
LACNIC Deaggregation factor: 3.95
Prefixes being announced from the LACNIC address blocks: 17018
Unique aggregates announced from the LACNIC address blocks: 9326
LACNIC Region origin ASes present in the Internet Routing Table: 902
LACNIC Prefixes per ASN: 18.87
LACNIC Region origin ASes announcing only one prefix: 295
LACNIC Region transit ASes present in the Internet Routing Table: 151
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 48182720
Equivalent to 2 /8s, 223 /16s and 53 /24s
Percentage of available LACNIC address space announced: 47.9
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: 3398
Total AfriNIC prefixes after maximum aggregation: 1125
AfriNIC Deaggregation factor: 3.02
Prefixes being announced from the AfriNIC address blocks: 3837
Unique aggregates announced from the AfriNIC address blocks: 1784
AfriNIC Region origin ASes present in the Internet Routing Table: 228
AfriNIC Prefixes per ASN: 16.83
AfriNIC Region origin ASes announcing only one prefix: 73
AfriNIC Region transit ASes present in the Internet Routing Table: 42
Average AfriNIC Region AS path length visible: 3.6
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 9994752
Equivalent to 0 /8s, 152 /16s and 130 /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 1578 386 79 Videsh Sanchar Nigam Ltd. Aut
9498 1161 549 60 BHARTI BT INTERNET LTD.
9583 1134 84 438 Sify Limited
17488 991 64 88 Hathway IP Over Cable Interne
4134 863 11881 311 CHINANET-BACKBONE
4766 852 5495 344 Korea Telecom (KIX)
23577 820 34 699 Korea Telecom (ATM-MPLS)
18101 712 128 65 Reliance Infocom Ltd Internet
9829 595 449 11 BSNL National Internet Backbo
4812 552 940 84 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 1427 5988 988 AT&T WorldNet Services
4323 1374 1011 363 Time Warner Telecom
2386 1358 634 833 AT&T Data Communications Serv
11492 1212 138 29 Cable One
18566 1042 296 10 Covad Communications
7011 1035 301 604 Citizens Utilities
6197 1034 754 511 BellSouth Network Solutions,
174 983 6835 815 Cogent Communications
6478 927 237 112 AT&T Worldnet Services
20115 887 808 484 Charter Communications
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
8452 397 188 7 TEDATA
3292 396 1778 359 TDC Tele Danmark
3301 332 1443 303 TeliaNet Sweden
3320 326 7045 270 Deutsche Telekom AG
8866 288 78 24 Bulgarian Telecommunication C
8551 278 267 42 Bezeq International
680 275 2046 256 DFN-IP service G-WiN
3215 273 2607 94 France Telecom Transpac
8708 271 420 240 Romania Data Systems S.A.
6746 270 128 247 Dynamic Network Technologies,
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 1157 2433 219 UniNet S.A. de C.V.
11830 555 299 9 Instituto Costarricense de El
7303 443 215 59 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
11172 402 115 65 Servicios Alestra S.A de C.V
6471 398 85 40 ENTEL CHILE S.A.
10620 364 95 48 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
24863 415 60 30 LINKdotNET AS number
3741 282 869 224 The Internet Solution
20858 207 34 3 EgyNet
2018 151 276 116 Tertiary Education Network
6713 143 135 11 Itissalat Al-MAGHRIB
33783 129 9 15 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 1578 386 79 Videsh Sanchar Nigam Ltd. Aut
7018 1427 5988 988 AT&T WorldNet Services
4323 1374 1011 363 Time Warner Telecom
2386 1358 634 833 AT&T Data Communications Serv
11492 1212 138 29 Cable One
9498 1161 549 60 BHARTI BT INTERNET LTD.
8151 1157 2433 219 UniNet S.A. de C.V.
9583 1134 84 438 Sify Limited
18566 1042 296 10 Covad Communications
7011 1035 301 604 Citizens Utilities
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 1183 Cable One
9498 1161 1101 BHARTI BT INTERNET LTD.
18566 1042 1032 Covad Communications
4323 1374 1011 Time Warner Telecom
8151 1157 938 UniNet S.A. de C.V.
17488 991 903 Hathway IP Over Cable Interne
6478 927 815 AT&T Worldnet Services
22773 862 797 Cox Communications, Inc.
19262 879 730 Verizon Global Networks
9583 1134 696 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 63.107.123.0/24 701 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
21624 UNALLOCATED 65.163.176.0/24 701 UUNET Technologies,
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
24.142.40.0/21 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 /10:16 /11:39 /12:134
/13:277 /14:494 /15:986 /16:9769 /17:4242 /18:7115
/19:15132 /20:17266 /21:16365 /22:20743 /23:21814 /24:129199
/25:874 /26:1116 /27:566 /28:108 /29:8 /30:1
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1200 1212 Cable One
2386 1062 1358 AT&T Data Communications Serv
18566 1023 1042 Covad Communications
9583 979 1134 Sify Limited
4755 932 1578 Videsh Sanchar Nigam Ltd. Aut
6478 926 927 AT&T Worldnet Services
7011 920 1035 Citizens Utilities
9498 835 1161 BHARTI BT INTERNET LTD.
23577 811 820 Korea Telecom (ATM-MPLS)
17488 806 991 Hathway IP Over Cable Interne
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:101 12:1976 13:2 15:21 16:3
17:6 18:13 20:35 22:1 24:1027 25:1
32:61 33:4 38:390 40:65 41:592 44:2
47:8 52:3 55:3 56:3 57:22 58:519
59:426 60:407 61:987 62:1078 63:1958 64:3359
65:2352 66:3645 67:1125 68:633 69:2108 70:474
71:107 72:1488 73:6 74:826 75:172 76:252
77:549 78:494 79:76 80:890 81:824 82:579
83:362 84:527 85:1006 86:392 87:648 88:308
89:1117 90:12 91:1009 92:143 93:63 95:2
96:12 97:10 98:54 99:2 114:1 115:1
116:534 117:254 118:77 119:145 121:439 122:706
123:302 124:795 125:1122 128:310 129:198 130:132
131:399 132:61 133:9 134:188 135:37 136:218
137:117 138:156 139:63 140:493 141:106 142:377
143:270 144:338 145:53 146:337 147:129 148:478
149:178 150:124 151:148 152:95 153:131 154:11
155:289 156:199 157:250 158:162 159:214 160:229
161:100 162:202 163:193 164:562 165:425 166:292
167:307 168:576 169:132 170:427 171:28 172:3
189:152 190:1373 192:5755 193:4101 194:3249 195:2331
196:988 198:3757 199:3161 200:5471 201:1275 202:7610
203:7817 204:3972 205:2062 206:2415 207:2714 208:3145
209:3573 210:2521 211:1033 212:1266 213:1578 214:447
215:47 216:4162 217:1201 218:340 219:399 220:1096
221:408 222:309
End of report
