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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Fri 07 Sep, 2007
Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/09/07/0400
Analysis Summary
----------------
BGP routing table entries examined: 232827
Prefixes after maximum aggregation: 121664
Deaggregation factor: 1.91
Unique aggregates announced to Internet: 111975
Total ASes present in the Internet Routing Table: 26151
Prefixes per ASN: 8.90
Origin-only ASes present in the Internet Routing Table: 22770
Origin ASes announcing only one prefix: 11061
Transit ASes present in the Internet Routing Table: 3381
Transit-only ASes present in the Internet Routing Table: 76
Average AS path length visible in the Internet Routing Table: 3.7
Max AS path length visible: 20
Max AS path prepend of ASN (35389) 16
Prefixes from unregistered ASNs in the Routing Table: 49
Unregistered ASNs in the Routing Table: 11
Prefixes from 32-bit ASNs in the Routing Table: 6
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1758022880
Equivalent to 104 /8s, 201 /16s and 76 /24s
Percentage of available address space announced: 47.4
Percentage of allocated address space announced: 62.1
Percentage of available address space allocated: 76.4
Total number of prefixes smaller than registry allocations: 124431
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 53754
Total APNIC prefixes after maximum aggregation: 20913
APNIC Deaggregation factor: 2.57
Prefixes being announced from the APNIC address blocks: 50676
Unique aggregates announced from the APNIC address blocks: 22497
APNIC Region origin ASes present in the Internet Routing Table: 3051
APNIC Prefixes per ASN: 16.61
APNIC Region origin ASes announcing only one prefix: 807
APNIC Region transit ASes present in the Internet Routing Table: 464
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 313548192
Equivalent to 18 /8s, 176 /16s and 93 /24s
Percentage of available APNIC address space announced: 77.7
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: 109474
Total ARIN prefixes after maximum aggregation: 63315
ARIN Deaggregation factor: 1.73
Prefixes being announced from the ARIN address blocks: 80276
Unique aggregates announced from the ARIN address blocks: 31943
ARIN Region origin ASes present in the Internet Routing Table: 11797
ARIN Prefixes per ASN: 6.80
ARIN Region origin ASes announcing only one prefix: 4508
ARIN Region transit ASes present in the Internet Routing Table: 1093
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 343795456
Equivalent to 20 /8s, 125 /16s and 231 /24s
Percentage of available ARIN address space announced: 75.9
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: 50078
Total RIPE prefixes after maximum aggregation: 31946
RIPE Deaggregation factor: 1.57
Prefixes being announced from the RIPE address blocks: 46976
Unique aggregates announced from the RIPE address blocks: 29495
RIPE Region origin ASes present in the Internet Routing Table: 10159
RIPE Prefixes per ASN: 4.62
RIPE Region origin ASes announcing only one prefix: 5397
RIPE Region transit ASes present in the Internet Routing Table: 1610
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 326322560
Equivalent to 19 /8s, 115 /16s and 73 /24s
Percentage of available RIPE address space announced: 74.8
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, 80/4, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 16725
Total LACNIC prefixes after maximum aggregation: 4454
LACNIC Deaggregation factor: 3.76
Prefixes being announced from the LACNIC address blocks: 14829
Unique aggregates announced from the LACNIC address blocks: 7849
LACNIC Region origin ASes present in the Internet Routing Table: 862
LACNIC Prefixes per ASN: 17.20
LACNIC Region origin ASes announcing only one prefix: 281
LACNIC Region transit ASes present in the Internet Routing Table: 145
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 42199296
Equivalent to 2 /8s, 131 /16s and 233 /24s
Percentage of available LACNIC address space announced: 62.9
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: 2741
Total AfriNIC prefixes after maximum aggregation: 1024
AfriNIC Deaggregation factor: 2.68
Prefixes being announced from the AfriNIC address blocks: 2298
Unique aggregates announced from the AfriNIC address blocks: 1331
AfriNIC Region origin ASes present in the Internet Routing Table: 205
AfriNIC Prefixes per ASN: 11.21
AfriNIC Region origin ASes announcing only one prefix: 68
AfriNIC Region transit ASes present in the Internet Routing Table: 35
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 20
Number of AfriNIC addresses announced to Internet: 7461632
Equivalent to 0 /8s, 113 /16s and 219 /24s
Percentage of available AfriNIC address space announced: 22.2
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 1344 383 71 Videsh Sanchar Nigam Ltd. Aut
9583 1128 81 405 Sify Limited
4134 1076 11228 293 CHINANET-BACKBONE
9498 1000 532 65 BHARTI BT INTERNET LTD.
4766 807 5441 320 Korea Telecom (KIX)
17488 796 52 55 Hathway IP Over Cable Interne
23577 788 34 684 Korea Telecom (ATM-MPLS)
7545 724 159 121 TPG Internet Pty Ltd
18101 595 119 50 Reliance Infocom Ltd Internet
4812 549 971 97 China Telecom (Shanghai)
1221 539 1951 420 Telstra Pty Ltd
4668 516 68 10 LG-EDS Systems Inc.
17676 502 10903 63 Softbank BB Corp.
4808 483 779 114 CNCGROUP IP network: China169
9443 467 122 77 Primus Telecommunications
4802 438 117 154 Wantree Development
7474 379 216 267 SingTel Optus Pty Ltd
17974 374 130 13 PT TELEKOMUNIKASI INDONESIA
4837 366 5104 167 chinanet IDC center beijing n
9829 359 257 10 BSNL National Internet Backbo
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1478 6075 996 AT&T WorldNet Services
4323 1320 991 372 Time Warner Telecom
2386 1217 636 738 AT&T Data Communications Serv
11492 1141 111 12 Cable One
6478 1131 325 168 AT&T Worldnet Services
6197 1029 718 509 BellSouth Network Solutions,
18566 1023 288 9 Covad Communications
174 972 6780 861 Cogent Communications
701 940 6577 717 UUNET Technologies, Inc.
7011 921 278 550 Citizens Utilities
20115 816 750 435 Charter Communications
1239 804 2719 566 Sprint
19262 770 2744 179 Verizon Global Networks
22773 765 2149 50 Cox Communications, Inc.
209 744 3821 586 Qwest
5668 656 176 23 CenturyTel Internet Holdings,
3356 608 10812 350 Level 3 Communications, LLC
6517 595 165 37 Yipes Communications, Inc.
852 575 1095 361 Telus Advanced Communications
15270 574 160 38 PaeTec.net -a division of Pae
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 493 1923 395 UUNET - Commercial IP service
2200 452 631 51 RENATER 2
24863 367 57 40 LINKdotNET AS number
9116 351 168 26 Goldenlines main autonomous s
2422 319 87 186 FR-RENATER-RAP
3320 315 6035 262 Deutsche Telekom AG
3301 314 1456 294 TeliaNet Sweden
6746 289 130 265 Dynamic Network Technologies,
680 267 2045 257 DFN-IP service G-WiN
8551 265 252 37 Bezeq International
8220 259 445 242 COLT Telecommunications
3215 258 2424 98 France Telecom Transpac
8708 258 420 237 Romania Data Systems S.A.
3352 225 1865 38 Ibernet, Internet Access Netw
5089 224 1658 54 NTL Group Limited
3269 223 2839 73 TELECOM ITALIA
9121 214 1441 24 TTnet Autonomous System
3292 196 1379 176 TDC Tele Danmark
12479 193 578 6 Uni2 Autonomous System
1257 192 1195 170 SWIPnet Swedish IP Network
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 902 1974 208 UniNet S.A. de C.V.
11830 514 299 9 Instituto Costarricense de El
16814 426 26 9 NSS, S.A.
11172 374 114 60 Servicios Alestra S.A de C.V
7303 341 162 50 Telecom Argentina Stet-France
6471 330 75 33 ENTEL CHILE S.A.
14522 326 28 7 SatNet S.A.
22047 318 246 13 VTR PUNTO NET S.A.
14117 281 19 15 Telefonica del Sur S.A.
10481 278 104 9 Prima S.A.
11664 271 30 13 Keytech SA
11556 235 128 3 Cable-Wireless Panama
10620 234 65 21 TVCABLE BOGOTA
6147 228 178 24 Telefonica Del Peru
6503 201 170 82 AVANTEL, S.A.
23216 195 16 44 RAMtelecom Telecomunicaciones
20299 180 25 31 NEWCOM AMERICAS
8163 177 11 6 METROTEL REDES S.A.
21826 171 30 58 INTERCABLE
7738 169 506 23 Telecomunicacoes da Bahia S.A
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 286 870 226 The Internet Solution
8452 219 188 7 TEDATA
2018 149 301 115 Tertiary Education Network
6713 142 135 11 Itissalat Al-MAGHRIB
33783 126 8 11 EEPAD TISP TELECOM & INTERNET
5536 124 8 10 Internet Egypt Network
33776 100 6 3 Starcomms Nigeria Limited
24835 87 48 6 RAYA Telecom - Egypt
15475 76 84 4 Nile Online
2905 74 174 71 The Internetworking Company o
23889 69 24 15 MAURITIUS TELECOM
2561 62 6 2 Egyptian Universities Network
15706 56 12 4 Sudatel Internet Exchange Aut
33774 47 29 25 AS Number for Telecom Algeria
5713 46 294 36 Telkom SA Ltd
16637 42 21 29 Johnnic e-Ventures
8524 31 2 10 AUCEGYPT Autonomous System
21280 30 4 4 Swift Global Kenya Ltd.Is an
12455 29 6 3 Jambonet Autonomous system
10798 27 16 1 Standard Bank of South Africa
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1344 1273 Videsh Sanchar Nigam Ltd. Aut
11492 1141 1129 Cable One
18566 1023 1014 Covad Communications
6478 1131 963 AT&T Worldnet Services
4323 1320 948 Time Warner Telecom
9498 1000 935 BHARTI BT INTERNET LTD.
4134 1076 783 CHINANET-BACKBONE
17488 796 741 Hathway IP Over Cable Interne
9583 1128 723 Sify Limited
22773 765 715 Cox Communications, Inc.
8151 902 694 UniNet S.A. de C.V.
5668 656 633 CenturyTel Internet Holdings,
7545 724 603 TPG Internet Pty Ltd
19262 770 591 Verizon Global Networks
6517 595 558 Yipes Communications, Inc.
18101 595 545 Reliance Infocom Ltd Internet
15270 574 536 PaeTec.net -a division of Pae
6197 1029 520 BellSouth Network Solutions,
19916 568 517 OLM LLC
4668 516 506 LG-EDS Systems Inc.
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
64586 PRIVATE 192.170.73.0/24 4845 Chung Hsiao East Roa
64000 RESERVED 193.48.181.0/24 25186 France Telecom Trans
64000 RESERVED 193.48.182.0/24 25186 France Telecom Trans
65101 PRIVATE 193.49.33.0/24 2457 FR-U-1-AIX-MARSEILLE
65101 PRIVATE 193.50.130.0/24 2457 FR-U-1-AIX-MARSEILLE
64780 PRIVATE 193.50.208.0/24 1726 FR-RENATER-E-BELIN
64780 PRIVATE 193.50.209.0/24 1726 FR-RENATER-E-BELIN
64780 PRIVATE 193.50.210.0/24 1726 FR-RENATER-E-BELIN
64780 PRIVATE 193.50.211.0/24 1726 FR-RENATER-E-BELIN
64780 PRIVATE 193.50.212.0/24 1726 FR-RENATER-E-BELIN
64780 PRIVATE 193.50.213.0/24 1726 FR-RENATER-E-BELIN
64780 PRIVATE 193.50.214.0/24 1726 FR-RENATER-E-BELIN
64780 PRIVATE 193.50.215.0/24 1726 FR-RENATER-E-BELIN
65201 PRIVATE 193.50.232.0/24 2457 FR-U-1-AIX-MARSEILLE
64000 RESERVED 193.51.113.0/24 25186 France Telecom Trans
64000 RESERVED 193.51.115.0/24 25186 France Telecom Trans
64780 PRIVATE 194.57.103.0/24 1726 FR-RENATER-E-BELIN
64780 PRIVATE 194.57.104.0/24 1726 FR-RENATER-E-BELIN
64780 PRIVATE 194.57.105.0/24 1726 FR-RENATER-E-BELIN
64000 RESERVED 194.167.103.0/24 25186 France Telecom Trans
64781 PRIVATE 194.167.104.0/24 1726 FR-RENATER-E-BELIN
65101 PRIVATE 194.167.168.0/24 2457 FR-U-1-AIX-MARSEILLE
64780 PRIVATE 194.199.63.0/24 1726 FR-RENATER-E-BELIN
64780 PRIVATE 194.199.64.0/24 1726 FR-RENATER-E-BELIN
64000 RESERVED 194.199.69.0/24 25186 France Telecom Trans
64000 RESERVED 194.199.71.0/24 25186 France Telecom Trans
65201 PRIVATE 194.199.191.0/24 2457 FR-U-1-AIX-MARSEILLE
65101 PRIVATE 194.214.98.0/24 2457 FR-U-1-AIX-MARSEILLE
65101 PRIVATE 194.214.99.0/24 2457 FR-U-1-AIX-MARSEILLE
65101 PRIVATE 194.214.100.0/24 2457 FR-U-1-AIX-MARSEILLE
65101 PRIVATE 194.214.101.0/24 2457 FR-U-1-AIX-MARSEILLE
64780 PRIVATE 194.254.193.0/24 1726 FR-RENATER-E-BELIN
64780 PRIVATE 194.254.195.0/24 1726 FR-RENATER-E-BELIN
65101 PRIVATE 195.83.116.0/24 2457 FR-U-1-AIX-MARSEILLE
64780 PRIVATE 195.83.128.0/24 1726 FR-RENATER-E-BELIN
64780 PRIVATE 195.83.129.0/24 1726 FR-RENATER-E-BELIN
64780 PRIVATE 195.83.130.0/24 1726 FR-RENATER-E-BELIN
64000 RESERVED 195.83.188.0/24 25186 France Telecom Trans
65101 PRIVATE 195.83.220.0/24 2457 FR-U-1-AIX-MARSEILLE
64000 RESERVED 195.98.231.0/24 25186 France Telecom Trans
64000 RESERVED 195.98.232.0/24 25186 France Telecom Trans
64501 RESERVED 195.189.160.0/24 35041 Crystone Autonomous
64780 PRIVATE 195.221.30.0/24 1726 FR-RENATER-E-BELIN
64586 PRIVATE 202.165.137.0/24 4845 Chung Hsiao East Roa
64586 PRIVATE 202.165.140.0/24 4845 Chung Hsiao East Roa
64586 PRIVATE 202.165.141.0/24 4845 Chung Hsiao East Roa
64586 PRIVATE 202.165.142.0/24 4845 Chung Hsiao East Roa
64586 PRIVATE 202.165.143.0/24 4845 Chung Hsiao East Roa
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
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 /11:37 /12:134
/13:261 /14:472 /15:920 /16:9623 /17:4077 /18:6610
/19:13981 /20:16224 /21:14918 /22:19180 /23:20077 /24:123862
/25:772 /26:1031 /27:506 /28:87 /29:5 /30:0
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1133 1141 Cable One
6478 1130 1131 AT&T Worldnet Services
18566 1005 1023 Covad Communications
9583 970 1128 Sify Limited
2386 909 1217 AT&T Data Communications Serv
7018 819 1478 AT&T WorldNet Services
7011 814 921 Citizens Utilities
6197 782 1029 BellSouth Network Solutions,
23577 779 788 Korea Telecom (ATM-MPLS)
4755 728 1344 Videsh Sanchar Nigam Ltd. Aut
9498 672 1000 BHARTI BT INTERNET LTD.
17488 619 796 Hathway IP Over Cable Interne
4766 605 807 Korea Telecom (KIX)
19916 563 568 OLM LLC
6517 561 595 Yipes Communications, Inc.
4323 554 1320 Time Warner Telecom
15270 538 574 PaeTec.net -a division of Pae
5668 522 656 CenturyTel Internet Holdings,
4668 506 516 LG-EDS Systems Inc.
18101 501 595 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 7:1 8:86 12:1805 13:1 15:19
16:3 17:3 18:13 20:36 24:968 25:1
32:56 33:3 38:346 40:60 41:321 44:2
47:3 52:4 55:3 56:3 57:24 58:473
59:388 60:367 61:1014 62:934 63:2009 64:3193
65:2368 66:3398 67:798 68:659 69:1970 70:450
71:105 72:1413 73:2 74:641 75:259 76:129
77:338 78:54 80:832 81:824 82:576 83:379
84:616 85:811 86:341 87:482 88:278 89:983
90:24 91:530 97:6 98:2 116:314 117:170
118:17 121:272 122:592 123:176 124:673 125:983
128:270 129:216 130:139 131:362 132:55 133:9
134:196 135:34 136:190 137:82 138:153 139:73
140:501 141:174 142:380 143:255 144:299 145:46
146:331 147:123 148:407 149:148 150:111 151:157
152:87 153:119 154:3 155:263 156:162 157:217
158:158 159:173 160:117 161:97 162:174 163:181
164:480 165:392 166:277 167:300 168:516 169:122
170:389 171:22 172:2 189:74 190:1080 192:5799
193:5105 194:3923 195:2806 196:973 198:3821 199:3284
200:5257 201:1188 202:7374 203:7705 204:3932 205:1967
206:2411 207:2880 208:2821 209:3493 210:2459 211:1087
212:1329 213:1464 214:415 215:41 216:3990 217:1200
218:329 219:380 220:1019 221:415 222:267
End of report
