[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 24 Apr, 2007
Analysis Summary
----------------
BGP routing table entries examined: 218449
Prefixes after maximum aggregation: 116637
Deaggregation factor: 1.87
Unique aggregates announced to Internet: 106057
Total ASes present in the Internet Routing Table: 24989
Prefixes per ASN: 8.74
Origin-only ASes present in the Internet Routing Table: 21766
Origin ASes announcing only one prefix: 10516
Transit ASes present in the Internet Routing Table: 3223
Transit-only ASes present in the Internet Routing Table: 80
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN (16327) 21
Prefixes from unregistered ASNs in the Routing Table: 10
Unregistered ASNs in the Routing Table: 11
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1711653696
Equivalent to 102 /8s, 5 /16s and 195 /24s
Percentage of available address space announced: 46.2
Percentage of allocated address space announced: 62.7
Percentage of available address space allocated: 73.7
Total number of prefixes smaller than registry allocations: 114094
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 50243
Total APNIC prefixes after maximum aggregation: 20180
APNIC Deaggregation factor: 2.49
Prefixes being announced from the APNIC address blocks: 47290
Unique aggregates announced from the APNIC address blocks: 21092
APNIC Region origin ASes present in the Internet Routing Table: 2923
APNIC Prefixes per ASN: 16.18
APNIC Region origin ASes announcing only one prefix: 787
APNIC Region transit ASes present in the Internet Routing Table: 436
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 292001984
Equivalent to 17 /8s, 103 /16s and 152 /24s
Percentage of available APNIC address space announced: 72.3
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: 106009
Total ARIN prefixes after maximum aggregation: 61857
ARIN Deaggregation factor: 1.71
Prefixes being announced from the ARIN address blocks: 78059
Unique aggregates announced from the ARIN address blocks: 30297
ARIN Region origin ASes present in the Internet Routing Table: 11507
ARIN Prefixes per ASN: 6.78
ARIN Region origin ASes announcing only one prefix: 4402
ARIN Region transit ASes present in the Internet Routing Table: 1046
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 329431424
Equivalent to 19 /8s, 162 /16s and 185 /24s
Percentage of available ARIN address space announced: 72.7
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: 45009
Total RIPE prefixes after maximum aggregation: 29477
RIPE Deaggregation factor: 1.53
Prefixes being announced from the RIPE address blocks: 41566
Unique aggregates announced from the RIPE address blocks: 27831
RIPE Region origin ASes present in the Internet Routing Table: 9511
RIPE Prefixes per ASN: 4.37
RIPE Region origin ASes announcing only one prefix: 5018
RIPE Region transit ASes present in the Internet Routing Table: 1536
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 303494400
Equivalent to 18 /8s, 22 /16s and 245 /24s
Percentage of available RIPE address space announced: 75.4
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
40960-43007
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: 14609
Total LACNIC prefixes after maximum aggregation: 4111
LACNIC Deaggregation factor: 3.55
Prefixes being announced from the LACNIC address blocks: 12704
Unique aggregates announced from the LACNIC address blocks: 7087
LACNIC Region origin ASes present in the Internet Routing Table: 779
LACNIC Prefixes per ASN: 16.31
LACNIC Region origin ASes announcing only one prefix: 251
LACNIC Region transit ASes present in the Internet Routing Table: 138
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 38408448
Equivalent to 2 /8s, 74 /16s and 17 /24s
Percentage of available LACNIC address space announced: 57.2
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: 2567
Total AfriNIC prefixes after maximum aggregation: 1006
AfriNIC Deaggregation factor: 2.55
Prefixes being announced from the AfriNIC address blocks: 1943
Unique aggregates announced from the AfriNIC address blocks: 1184
AfriNIC Region origin ASes present in the Internet Routing Table: 188
AfriNIC Prefixes per ASN: 10.34
AfriNIC Region origin ASes announcing only one prefix: 58
AfriNIC Region transit ASes present in the Internet Routing Table: 39
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 6061568
Equivalent to 0 /8s, 92 /16s and 126 /24s
Percentage of available AfriNIC address space announced: 18.1
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 1274 9487 269 CHINANET-BACKBONE
4755 1198 383 72 Videsh Sanchar Nigam Ltd. Aut
9583 1098 79 378 Sify Limited
9498 971 469 73 BHARTI BT INTERNET LTD.
4766 782 4943 312 Korea Telecom (KIX)
23577 779 35 707 Korea Telecom (ATM-MPLS)
17488 666 43 36 Hathway IP Over Cable Interne
7545 624 142 80 TPG Internet Pty Ltd
1221 581 1957 450 Telstra Pty Ltd
18101 529 116 26 Reliance Infocom Ltd Internet
4668 506 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
4812 462 795 74 China Telecom (Shanghai)
9443 458 115 74 Primus Telecommunications
7474 401 217 268 SingTel Optus Pty Ltd
9829 359 274 14 BSNL National Internet Backbo
4802 357 86 147 Wantree Development
17557 357 35 173 Pakistan Telecom
17974 346 129 12 PT TELEKOMUNIKASI INDONESIA
4837 343 4708 157 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1498 6127 984 AT&T WorldNet Services
4323 1267 1022 359 Time Warner Telecom
2386 1105 531 745 AT&T Data Communications Serv
6478 1096 335 151 AT&T Worldnet Services
11492 1038 102 17 Cable One
6197 1035 687 502 BellSouth Network Solutions,
18566 999 288 9 Covad Communications
174 950 6792 866 Cogent Communications
701 948 6697 740 UUNET Technologies, Inc.
20115 822 734 426 Charter Communications
1239 816 2699 573 Sprint
7011 784 225 466 Citizens Utilities
209 727 3733 582 Qwest
19262 710 2554 173 Verizon Global Networks
22773 704 1871 40 Cox Communications, Inc.
721 616 21756 273 DLA Systems Automation Center
852 595 1097 377 Telus Advanced Communications
5668 593 160 17 CenturyTel Internet Holdings,
7029 575 456 81 Alltel Information Services,
19916 568 49 54 OLM LLC
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 521 1957 415 UUNET - Commercial IP service
24863 343 47 31 LINKdotNET AS number
3301 309 1455 289 TeliaNet Sweden
3320 303 4993 251 Deutsche Telekom AG
6746 273 95 250 Dynamic Network Technologies,
8220 259 461 250 COLT Telecommunications
680 258 2044 250 DFN-IP service G-WiN
3215 239 2256 92 France Telecom Transpac
8708 236 288 229 Romania Data Systems S.A.
3269 215 2583 73 TELECOM ITALIA
3246 208 340 197 Song Networks
8551 206 196 30 Bezeq International
30890 205 17 95 SC Kappa Invexim SRL
3352 200 1799 33 Ibernet, Internet Access Netw
20858 196 34 4 EgyNet
1257 192 1180 170 SWIPnet Swedish IP Network
9116 188 134 24 Goldenlines main autonomous s
12479 185 578 6 Uni2 Autonomous System
3300 184 171 89 AUCS Communications Services
786 178 1795 178 The JANET IP Service
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1077 1869 209 UniNet S.A. de C.V.
11830 483 299 19 Instituto Costarricense de El
11172 364 116 64 Servicios Alestra S.A de C.V
16814 362 22 8 NSS, S.A.
22047 311 238 12 VTR PUNTO NET S.A.
7303 267 143 24 Telecom Argentina Stet-France
6471 259 74 31 ENTEL CHILE S.A.
14117 242 17 14 Telefonica del Sur S.A.
11556 235 128 3 Cable-Wireless Panama
6147 226 176 23 Telefonica Del Peru
6503 213 171 85 AVANTEL, S.A.
20299 198 26 20 NEWCOM AMERICAS
10620 184 53 23 TVCABLE BOGOTA
10481 181 72 8 Prima S.A.
23216 158 19 42 RAMtelecom Telecomunicaciones
21826 154 27 58 INTERCABLE
7910 153 11 30 ANDINET ON LINE
19429 148 92 39 E.T.B.
14522 146 22 5 SatNet S.A.
18822 146 9 6 TELEFONICA MANQUEHUE
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 291 868 232 The Internet Solution
8452 225 188 7 TEDATA
6713 143 135 11 Itissalat Al-MAGHRIB
2018 137 309 112 Tertiary Education Network
15475 129 84 4 Nile Online
5536 123 8 15 Internet Egypt Network
33783 116 7 9 EEPAD TISP TELECOM & INTERNET
24835 85 48 6 RAYA Telecom - Egypt
2905 80 173 72 The Internetworking Company o
2561 61 6 2 Egyptian Universities Network
15706 51 12 4 Sudatel Internet Exchange Aut
23889 49 16 13 MAURITIUS TELECOM
5713 44 294 34 Telkom SA Ltd
33774 43 13 24 AS Number for Telecom Algeria
16637 33 21 25 Johnnic e-Ventures
8524 30 2 6 AUCEGYPT Autonomous System
33776 30 2 7 Starcomms Nigeria Limited
21280 28 4 4 Swift Global Kenya Ltd.Is an
33766 28 2 1 Nyala Communications Pty Ltd
12455 24 6 3 Jambonet Autonomous system
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1198 1126 Videsh Sanchar Nigam Ltd. Aut
11492 1038 1021 Cable One
4134 1274 1005 CHINANET-BACKBONE
18566 999 990 Covad Communications
6478 1096 945 AT&T Worldnet Services
4323 1267 908 Time Warner Telecom
9498 971 898 BHARTI BT INTERNET LTD.
8151 1077 868 UniNet S.A. de C.V.
9583 1098 720 Sify Limited
22773 704 664 Cox Communications, Inc.
17488 666 630 Hathway IP Over Cable Interne
5668 593 576 CenturyTel Internet Holdings,
7545 624 544 TPG Internet Pty Ltd
19262 710 537 Verizon Global Networks
6197 1035 533 BellSouth Network Solutions,
19916 568 514 OLM LLC
18101 529 503 Reliance Infocom Ltd Internet
4668 506 496 LG-EDS Systems Inc.
7029 575 494 Alltel Information Services,
855 567 494 Canadian Research Network
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65332 PRIVATE 63.166.106.192/27 1803 SPRINT
64518 PRIVATE 125.18.63.0/24 7633 Software Technology
64786 PRIVATE 170.210.17.0/25 7303 Telecom Argentina St
64785 PRIVATE 170.210.21.128/25 7303 Telecom Argentina St
64807 PRIVATE 170.210.44.0/25 7303 Telecom Argentina St
64795 PRIVATE 170.210.46.128/25 7303 Telecom Argentina St
64810 PRIVATE 170.210.78.128/25 7303 Telecom Argentina St
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
64512 PRIVATE 208.103.63.0/24 32703 Indiana Fiber Networ
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 /8:19 /9:9 /10:13 /11:34 /12:122
/13:236 /14:447 /15:859 /16:9354 /17:3813 /18:6309
/19:13460 /20:15182 /21:13715 /22:17767 /23:19139 /24:115824
/25:768 /26:814 /27:489 /28:61 /29:6 /30:1
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6478 1087 1096 AT&T Worldnet Services
11492 1024 1038 Cable One
18566 981 999 Covad Communications
9583 937 1098 Sify Limited
2386 823 1105 AT&T Data Communications Serv
7018 813 1498 AT&T WorldNet Services
6197 796 1035 BellSouth Network Solutions,
23577 765 779 Korea Telecom (ATM-MPLS)
7011 687 784 Citizens Utilities
9498 636 971 BHARTI BT INTERNET LTD.
4755 592 1198 Videsh Sanchar Nigam Ltd. Aut
4766 588 782 Korea Telecom (KIX)
19916 563 568 OLM LLC
4323 529 1267 Time Warner Telecom
4668 496 506 LG-EDS Systems Inc.
15270 494 527 PaeTec.net -a division of Pae
17488 487 666 Hathway IP Over Cable Interne
855 465 567 Canadian Research Network
5668 459 593 CenturyTel Internet Holdings,
18101 456 529 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 7:1 8:77 9:1 12:1796 15:19
16:3 17:3 18:8 20:37 24:948 25:1
32:53 38:299 40:57 41:124 44:2 47:4
52:4 55:2 56:3 57:26 58:368 59:368
60:267 61:921 62:970 63:1963 64:3111 65:2330
66:3261 67:806 68:646 69:1811 70:501 71:110
72:1261 73:1 74:386 75:256 76:36 77:162
80:856 81:803 82:613 83:375 84:435 85:743
86:373 87:463 88:251 89:846 90:22 91:271
97:1 116:25 121:173 122:528 123:86 124:770
125:935 128:273 129:218 130:121 131:348 132:51
133:10 134:193 135:39 136:179 137:83 138:194
139:64 140:480 141:149 142:368 143:210 144:289
145:43 146:323 147:147 148:398 149:143 150:115
151:124 152:94 153:121 154:4 155:252 156:152
157:183 158:161 159:155 160:104 161:88 162:236
163:146 164:453 165:405 166:234 167:278 168:497
169:120 170:399 171:15 172:1 189:293 190:571
192:5748 193:3786 194:3075 195:2204 196:947 198:3756
199:3294 200:4689 201:953 202:7213 203:7430 204:3942
205:2104 206:2386 207:2909 208:2620 209:3618 210:2460
211:929 212:1291 213:1447 214:407 215:40 216:4007
217:1150 218:352 219:356 220:939 221:395 222:272
End of report
Report Website: http://thyme.apnic.net
