[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 Sun 01 Jul, 2007
Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/07/01/0400
Analysis Summary
----------------
BGP routing table entries examined: 224395
Prefixes after maximum aggregation: 118351
Deaggregation factor: 1.90
Unique aggregates announced to Internet: 109034
Total ASes present in the Internet Routing Table: 25547
Prefixes per ASN: 8.78
Origin-only ASes present in the Internet Routing Table: 22250
Origin ASes announcing only one prefix: 10806
Transit ASes present in the Internet Routing Table: 3297
Transit-only ASes present in the Internet Routing Table: 71
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 22
Max AS path prepend of ASN (35389) 16
Prefixes from unregistered ASNs in the Routing Table: 3
Unregistered ASNs in the Routing Table: 7
Prefixes from 32-bit ASNs in the Routing Table: 4
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1731426016
Equivalent to 103 /8s, 51 /16s and 118 /24s
Percentage of available address space announced: 46.7
Percentage of allocated address space announced: 61.9
Percentage of available address space allocated: 75.5
Total number of prefixes smaller than registry allocations: 117830
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 52503
Total APNIC prefixes after maximum aggregation: 20481
APNIC Deaggregation factor: 2.56
Prefixes being announced from the APNIC address blocks: 49408
Unique aggregates announced from the APNIC address blocks: 21634
APNIC Region origin ASes present in the Internet Routing Table: 2980
APNIC Prefixes per ASN: 16.58
APNIC Region origin ASes announcing only one prefix: 805
APNIC Region transit ASes present in the Internet Routing Table: 450
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 301601184
Equivalent to 17 /8s, 250 /16s and 17 /24s
Percentage of available APNIC address space announced: 74.7
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 116/6, 120/6, 124/7, 126/8, 202/7
210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 107088
Total ARIN prefixes after maximum aggregation: 62269
ARIN Deaggregation factor: 1.72
Prefixes being announced from the ARIN address blocks: 78752
Unique aggregates announced from the ARIN address blocks: 31135
ARIN Region origin ASes present in the Internet Routing Table: 11659
ARIN Prefixes per ASN: 6.75
ARIN Region origin ASes announcing only one prefix: 4481
ARIN Region transit ASes present in the Internet Routing Table: 1061
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 338187328
Equivalent to 20 /8s, 40 /16s and 84 /24s
Percentage of available ARIN address space announced: 74.7
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, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 46932
Total RIPE prefixes after maximum aggregation: 30334
RIPE Deaggregation factor: 1.55
Prefixes being announced from the RIPE address blocks: 43353
Unique aggregates announced from the RIPE address blocks: 28806
RIPE Region origin ASes present in the Internet Routing Table: 9826
RIPE Prefixes per ASN: 4.41
RIPE Region origin ASes announcing only one prefix: 5200
RIPE Region transit ASes present in the Internet Routing Table: 1570
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 320995008
Equivalent to 19 /8s, 33 /16s and 254 /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
40960-44031
RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 92/7, 193/8, 194/7,
212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 15302
Total LACNIC prefixes after maximum aggregation: 4244
LACNIC Deaggregation factor: 3.61
Prefixes being announced from the LACNIC address blocks: 13351
Unique aggregates announced from the LACNIC address blocks: 7524
LACNIC Region origin ASes present in the Internet Routing Table: 816
LACNIC Prefixes per ASN: 16.36
LACNIC Region origin ASes announcing only one prefix: 262
LACNIC Region transit ASes present in the Internet Routing Table: 146
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 40042240
Equivalent to 2 /8s, 98 /16s and 255 /24s
Percentage of available LACNIC address space announced: 59.7
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 2564
Total AfriNIC prefixes after maximum aggregation: 1015
AfriNIC Deaggregation factor: 2.53
Prefixes being announced from the AfriNIC address blocks: 2044
Unique aggregates announced from the AfriNIC address blocks: 1244
AfriNIC Region origin ASes present in the Internet Routing Table: 194
AfriNIC Prefixes per ASN: 10.54
AfriNIC Region origin ASes announcing only one prefix: 58
AfriNIC Region transit ASes present in the Internet Routing Table: 36
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 6196736
Equivalent to 0 /8s, 94 /16s and 142 /24s
Percentage of available AfriNIC address space announced: 18.5
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
4134 1347 10189 282 CHINANET-BACKBONE
4755 1243 382 72 Videsh Sanchar Nigam Ltd. Aut
9583 1108 79 394 Sify Limited
9498 982 469 66 BHARTI BT INTERNET LTD.
4766 789 4927 312 Korea Telecom (KIX)
23577 775 35 703 Korea Telecom (ATM-MPLS)
17488 706 46 49 Hathway IP Over Cable Interne
7545 688 151 111 TPG Internet Pty Ltd
18101 565 117 36 Reliance Infocom Ltd Internet
1221 551 1954 426 Telstra Pty Ltd
4812 517 904 92 China Telecom (Shanghai)
4668 508 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
9443 467 121 77 Primus Telecommunications
4802 411 105 151 Wantree Development
7474 410 218 270 SingTel Optus Pty Ltd
17974 370 130 13 PT TELEKOMUNIKASI INDONESIA
9829 362 258 14 BSNL National Internet Backbo
2907 361 1700 301 SINET Japan
17557 352 41 171 Pakistan Telecom
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1469 6086 989 AT&T WorldNet Services
4323 1319 1042 369 Time Warner Telecom
2386 1199 615 752 AT&T Data Communications Serv
6478 1124 368 153 AT&T Worldnet Services
11492 1094 107 23 Cable One
6197 1025 717 508 BellSouth Network Solutions,
18566 1011 288 9 Covad Communications
174 953 6778 864 Cogent Communications
701 949 6597 722 UUNET Technologies, Inc.
7011 849 252 538 Citizens Utilities
1239 810 2734 580 Sprint
20115 798 728 424 Charter Communications
19262 779 2724 202 Verizon Global Networks
209 750 3854 579 Qwest
22773 728 1892 44 Cox Communications, Inc.
5668 615 169 21 CenturyTel Internet Holdings,
7029 603 488 80 Alltel Information Services,
852 580 1089 363 Telus Advanced Communications
855 575 254 73 Canadian Research Network
19916 568 49 51 OLM LLC
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2119 514 1075 136 Telenor Internet Access
702 511 1936 402 UUNET - Commercial IP service
24863 355 56 37 LINKdotNET AS number
3301 310 1455 290 TeliaNet Sweden
3320 306 6034 257 Deutsche Telekom AG
6746 280 129 256 Dynamic Network Technologies,
680 264 2044 255 DFN-IP service G-WiN
3215 254 2376 96 France Telecom Transpac
8220 249 444 241 COLT Telecommunications
8708 248 419 238 Romania Data Systems S.A.
8551 223 213 28 Bezeq International
3269 222 2775 74 TELECOM ITALIA
5089 221 1658 53 NTL Group Limited
3352 219 1864 41 Ibernet, Internet Access Netw
9121 210 1441 24 TTnet Autonomous System
9116 200 136 25 Goldenlines main autonomous s
1257 196 1196 174 SWIPnet Swedish IP Network
3246 195 329 185 Song Networks
12479 189 578 6 Uni2 Autonomous System
3300 186 172 92 AUCS Communications Services
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 855 1917 209 UniNet S.A. de C.V.
11830 483 299 9 Instituto Costarricense de El
11172 371 116 63 Servicios Alestra S.A de C.V
16814 361 22 8 NSS, S.A.
22047 313 238 12 VTR PUNTO NET S.A.
7303 300 145 32 Telecom Argentina Stet-France
14117 279 19 15 Telefonica del Sur S.A.
6471 275 74 33 ENTEL CHILE S.A.
11556 231 128 4 Cable-Wireless Panama
6147 225 172 27 Telefonica Del Peru
10620 207 59 14 TVCABLE BOGOTA
6503 206 172 83 AVANTEL, S.A.
23216 195 16 43 RAMtelecom Telecomunicaciones
10481 181 72 8 Prima S.A.
14522 173 27 8 SatNet S.A.
21826 156 27 59 INTERCABLE
7910 155 11 30 ANDINET ON LINE
19169 153 10 31 Telconet
20299 152 23 12 NEWCOM AMERICAS
7738 146 474 22 Telecomunicacoes da Bahia S.A
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 280 867 221 The Internet Solution
8452 226 188 7 TEDATA
6713 142 135 11 Itissalat Al-MAGHRIB
2018 136 301 111 Tertiary Education Network
33783 126 8 11 EEPAD TISP TELECOM & INTERNET
5536 123 8 15 Internet Egypt Network
24835 85 48 6 RAYA Telecom - Egypt
2905 77 174 73 The Internetworking Company o
15475 75 84 4 Nile Online
2561 62 6 2 Egyptian Universities Network
15706 56 12 4 Sudatel Internet Exchange Aut
23889 49 16 14 MAURITIUS TELECOM
5713 45 294 35 Telkom SA Ltd
33774 43 29 24 AS Number for Telecom Algeria
16637 37 21 29 Johnnic e-Ventures
33776 36 2 2 Starcomms Nigeria Limited
8524 32 2 8 AUCEGYPT Autonomous System
12455 32 6 3 Jambonet Autonomous system
21280 28 4 4 Swift Global Kenya Ltd.Is an
10798 24 2 15 Standard Bank of South Africa
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1243 1171 Videsh Sanchar Nigam Ltd. Aut
11492 1094 1071 Cable One
4134 1347 1065 CHINANET-BACKBONE
18566 1011 1002 Covad Communications
6478 1124 971 AT&T Worldnet Services
4323 1319 950 Time Warner Telecom
9498 982 916 BHARTI BT INTERNET LTD.
9583 1108 714 Sify Limited
22773 728 684 Cox Communications, Inc.
17488 706 657 Hathway IP Over Cable Interne
8151 855 646 UniNet S.A. de C.V.
5668 615 594 CenturyTel Internet Holdings,
19262 779 577 Verizon Global Networks
7545 688 577 TPG Internet Pty Ltd
18101 565 529 Reliance Infocom Ltd Internet
6517 560 525 Yipes Communications, Inc.
7029 603 523 Alltel Information Services,
6197 1025 517 BellSouth Network Solutions,
19916 568 517 OLM LLC
15270 554 516 PaeTec.net -a division of Pae
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65332 PRIVATE 63.166.106.192/27 1803 SPRINT
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
7.1.1.0/24 1239 Sprint
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
172.33.1.0/24 7018 AT&T WorldNet Services
192.0.10.0/24 9498 BHARTI BT INTERNET LTD.
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.153.136.0/21 721 DLA Systems Automation Center
192.172.0.0/19 721 DLA Systems Automation Center
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 /10:15 /11:36 /12:126
/13:252 /14:464 /15:901 /16:9522 /17:4021 /18:6506
/19:13690 /20:15862 /21:14294 /22:18652 /23:19597 /24:118056
/25:797 /26:983 /27:481 /28:76 /29:10 /30:14
/31:0 /32:13
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6478 1114 1124 AT&T Worldnet Services
11492 1085 1094 Cable One
18566 993 1011 Covad Communications
9583 950 1108 Sify Limited
2386 892 1199 AT&T Data Communications Serv
7018 798 1469 AT&T WorldNet Services
6197 778 1025 BellSouth Network Solutions,
23577 761 775 Korea Telecom (ATM-MPLS)
7011 748 849 Citizens Utilities
9498 653 982 BHARTI BT INTERNET LTD.
4755 641 1243 Videsh Sanchar Nigam Ltd. Aut
4766 596 789 Korea Telecom (KIX)
19916 563 568 OLM LLC
4323 552 1319 Time Warner Telecom
17488 529 706 Hathway IP Over Cable Interne
6517 526 560 Yipes Communications, Inc.
15270 518 554 PaeTec.net -a division of Pae
4668 498 508 LG-EDS Systems Inc.
18101 480 565 Reliance Infocom Ltd Internet
5668 479 615 CenturyTel Internet Holdings,
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 7:1 8:84 9:1 12:1809 15:18
16:3 17:3 18:11 20:38 24:938 25:1
32:50 33:3 38:332 40:61 41:181 44:2
47:4 52:4 55:3 56:3 57:25 58:421
59:392 60:314 61:987 62:878 63:1970 64:3127
65:2352 66:3280 67:746 68:632 69:1891 70:432
71:107 72:1333 73:2 74:549 75:265 76:73
77:260 78:2 80:814 81:819 82:703 83:382
84:420 85:855 86:342 87:490 88:286 89:879
90:7 91:386 97:6 98:4 116:216 117:57
121:214 122:551 123:120 124:832 125:944 128:278
129:224 130:126 131:354 132:53 133:9 134:195
135:39 136:179 137:81 138:148 139:73 140:482
141:173 142:374 143:244 144:295 145:43 146:321
147:120 148:398 149:144 150:113 151:160 152:93
153:126 154:4 155:253 156:152 157:212 158:157
159:158 160:106 161:92 162:221 163:183 164:445
165:411 166:294 167:287 168:502 169:120 170:407
171:18 172:1 189:62 190:681 192:5765 193:3894
194:3165 195:2242 196:938 198:3819 199:3276 200:4891
201:1073 202:7307 203:7555 204:3961 205:2022 206:2410
207:2833 208:2699 209:3490 210:2466 211:958 212:1306
213:1472 214:409 215:40 216:3997 217:1138 218:360
219:382 220:979 221:411 222:264
End of report
