[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 06 Mar, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 248090
Prefixes after maximum aggregation: 125089
Deaggregation factor: 1.98
Unique aggregates announced to Internet: 120163
Total ASes present in the Internet Routing Table: 27531
Prefixes per ASN: 9.01
Origin-only ASes present in the Internet Routing Table: 23990
Origin ASes announcing only one prefix: 11634
Transit ASes present in the Internet Routing Table: 3541
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: 19
Max AS path prepend of ASN (43380) 13
Prefixes from unregistered ASNs in the Routing Table: 32
Unregistered ASNs in the Routing Table: 8
Number of 32-bit ASNs allocated by the RIRs: 45
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: 871
Number of addresses announced to Internet: 1857168160
Equivalent to 110 /8s, 178 /16s and 35 /24s
Percentage of available address space announced: 50.1
Percentage of allocated address space announced: 61.5
Percentage of available address space allocated: 81.4
Percentage of address space in use by end-sites: 70.7
Total number of prefixes smaller than registry allocations: 117691
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 56806
Total APNIC prefixes after maximum aggregation: 20871
APNIC Deaggregation factor: 2.72
Prefixes being announced from the APNIC address blocks: 54231
Unique aggregates announced from the APNIC address blocks: 23047
APNIC Region origin ASes present in the Internet Routing Table: 3151
APNIC Prefixes per ASN: 17.21
APNIC Region origin ASes announcing only one prefix: 835
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: 334741408
Equivalent to 19 /8s, 243 /16s and 191 /24s
Percentage of available APNIC address space announced: 76.7
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: 115993
Total ARIN prefixes after maximum aggregation: 65331
ARIN Deaggregation factor: 1.78
Prefixes being announced from the ARIN address blocks: 84706
Unique aggregates announced from the ARIN address blocks: 33435
ARIN Region origin ASes present in the Internet Routing Table: 12178
ARIN Prefixes per ASN: 6.96
ARIN Region origin ASes announcing only one prefix: 4691
ARIN Region transit ASes present in the Internet Routing Table: 1151
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 356550528
Equivalent to 21 /8s, 64 /16s and 135 /24s
Percentage of available ARIN address space announced: 73.3
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: 52823
Total RIPE prefixes after maximum aggregation: 32986
RIPE Deaggregation factor: 1.60
Prefixes being announced from the RIPE address blocks: 47925
Unique aggregates announced from the RIPE address blocks: 32218
RIPE Region origin ASes present in the Internet Routing Table: 10986
RIPE Prefixes per ASN: 4.36
RIPE Region origin ASes announcing only one prefix: 5730
RIPE Region transit ASes present in the Internet Routing Table: 1678
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 346952960
Equivalent to 20 /8s, 174 /16s and 21 /24s
Percentage of available RIPE address space announced: 79.5
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
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: 18876
Total LACNIC prefixes after maximum aggregation: 4761
LACNIC Deaggregation factor: 3.96
Prefixes being announced from the LACNIC address blocks: 17232
Unique aggregates announced from the LACNIC address blocks: 9415
LACNIC Region origin ASes present in the Internet Routing Table: 909
LACNIC Prefixes per ASN: 18.96
LACNIC Region origin ASes announcing only one prefix: 300
LACNIC Region transit ASes present in the Internet Routing Table: 157
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 48991744
Equivalent to 2 /8s, 235 /16s and 142 /24s
Percentage of available LACNIC address space announced: 48.7
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: 3557
Total AfriNIC prefixes after maximum aggregation: 1124
AfriNIC Deaggregation factor: 3.16
Prefixes being announced from the AfriNIC address blocks: 3993
Unique aggregates announced from the AfriNIC address blocks: 1805
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: 78
AfriNIC Region transit ASes present in the Internet Routing Table: 42
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 10011648
Equivalent to 0 /8s, 152 /16s and 196 /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 1599 386 82 Videsh Sanchar Nigam Ltd. Aut
9498 1152 550 65 BHARTI BT INTERNET LTD.
9583 1146 109 24 Sify Limited
17488 1012 65 101 Hathway IP Over Cable Interne
4134 853 12363 314 CHINANET-BACKBONE
4766 849 6005 337 Korea Telecom (KIX)
23577 813 34 697 Korea Telecom (ATM-MPLS)
18101 708 127 61 Reliance Infocom Ltd Internet
9829 595 449 11 BSNL National Internet Backbo
4812 558 949 89 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 1424 5943 998 AT&T WorldNet Services
4323 1383 1011 366 Time Warner Telecom
2386 1371 637 833 AT&T Data Communications Serv
11492 1212 144 26 Cable One
7011 1063 309 609 Citizens Utilities
18566 1042 296 10 Covad Communications
6197 995 729 475 BellSouth Network Solutions,
174 991 6835 816 Cogent Communications
1785 986 480 109 AppliedTheory Corporation
6478 930 237 108 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 393 188 7 TEDATA
3301 338 1443 307 TeliaNet Sweden
3320 325 7045 269 Deutsche Telekom AG
8866 290 78 24 Bulgarian Telecommunication C
8551 279 267 42 Bezeq International
680 276 2046 256 DFN-IP service G-WiN
5462 275 666 26 Telewest Broadband
8708 275 421 245 Romania Data Systems S.A.
3215 271 2607 94 France Telecom Transpac
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 1179 2438 220 UniNet S.A. de C.V.
11830 556 299 9 Instituto Costarricense de El
7303 449 218 59 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 398 85 40 ENTEL CHILE S.A.
11172 397 115 65 Servicios Alestra S.A de C.V
10620 366 96 49 TVCABLE BOGOTA
14117 352 25 15 Telefonica del Sur S.A.
10481 330 124 10 Prima S.A.
22047 323 270 14 VTR PUNTO NET 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 445 60 27 LINKdotNET AS number
3741 288 869 224 The Internet Solution
2018 247 276 111 Tertiary Education Network
20858 217 34 4 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 90 48 7 RAYA Telecom - Egypt
23889 81 24 16 MAURITIUS TELECOM
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 1599 386 82 Videsh Sanchar Nigam Ltd. Aut
7018 1424 5943 998 AT&T WorldNet Services
4323 1383 1011 366 Time Warner Telecom
2386 1371 637 833 AT&T Data Communications Serv
11492 1212 144 26 Cable One
8151 1179 2438 220 UniNet S.A. de C.V.
9498 1152 550 65 BHARTI BT INTERNET LTD.
9583 1146 109 24 Sify Limited
7011 1063 309 609 Citizens Utilities
18566 1042 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 1212 1186 Cable One
9583 1146 1122 Sify Limited
9498 1152 1087 BHARTI BT INTERNET LTD.
18566 1042 1032 Covad Communications
4323 1383 1017 Time Warner Telecom
8151 1179 959 UniNet S.A. de C.V.
17488 1012 911 Hathway IP Over Cable Interne
1785 986 877 AppliedTheory Corporation
6478 930 822 AT&T Worldnet Services
22773 883 818 Cox Communications, Inc.
Complete listing at http://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
18506 UNALLOCATED 63.107.123.0/24 33286 Turlock Irrigation D
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
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
64601 PRIVATE 118.232.224.0/20 9924 Taiwan Fixed Network
64601 PRIVATE 118.232.232.0/21 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
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 /8:20 /9:9 /10:16 /11:39 /12:138
/13:278 /14:496 /15:988 /16:9766 /17:4249 /18:7198
/19:15182 /20:17372 /21:16591 /22:20985 /23:22090 /24:129959
/25:897 /26:1122 /27:569 /28:108 /29:9 /30:1
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1199 1212 Cable One
2386 1078 1371 AT&T Data Communications Serv
18566 1023 1042 Covad Communications
9583 983 1146 Sify Limited
4755 950 1599 Videsh Sanchar Nigam Ltd. Aut
7011 946 1063 Citizens Utilities
6478 929 930 AT&T Worldnet Services
17488 828 1012 Hathway IP Over Cable Interne
9498 815 1152 BHARTI BT INTERNET LTD.
23577 804 813 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 8:99 11:1 12:1987 13:2 15:21
16:3 17:6 18:13 20:35 24:1033 25:1
32:61 33:4 38:398 40:65 41:618 44:2
47:8 52:3 55:3 56:3 57:22 58:521
59:427 60:413 61:985 62:1124 63:1965 64:3337
65:2373 66:3646 67:1018 68:635 69:2119 70:487
71:123 72:1490 73:6 74:856 75:236 76:260
77:568 78:509 79:90 80:885 81:814 82:608
83:360 84:529 85:1012 86:390 87:635 88:293
89:1185 90:11 91:1059 92:149 93:95 96:16
97:14 98:88 99:3 114:1 115:1 116:550
117:264 118:77 119:164 121:444 122:716 123:292
124:815 125:1116 128:322 129:199 130:132 131:400
132:69 133:9 134:188 135:32 136:223 137:118
138:153 139:61 140:487 141:108 142:378 143:278
144:344 145:53 146:334 147:129 148:488 149:178
150:119 151:155 152:145 153:131 154:11 155:269
156:203 157:250 158:164 159:216 160:246 161:101
162:201 163:191 164:564 165:429 166:295 167:311
168:587 169:133 170:427 171:29 172:3 189:159
190:1364 192:5759 193:4105 194:3260 195:2361 196:1081
198:3771 199:3197 200:5482 201:1306 202:7569 203:7786
204:3961 205:2085 206:2403 207:2706 208:3190 209:3506
210:2530 211:1029 212:1282 213:1602 214:447 215:48
216:4171 217:1216 218:339 219:401 220:1098 221:401
222:310
End of report
