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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Thu 11 Jan, 2007
Analysis Summary
----------------
BGP routing table entries examined: 207101
Prefixes after maximum aggregation: 112105
Deaggregation factor: 1.85
Unique aggregates announced to Internet: 101069
Total ASes present in the Internet Routing Table: 24084
Origin-only ASes present in the Internet Routing Table: 20986
Origin ASes announcing only one prefix: 10152
Transit ASes present in the Internet Routing Table: 3098
Transit-only ASes present in the Internet Routing Table: 79
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 32
Max AS path prepend of ASN (20858) 18
Prefixes from unregistered ASNs in the Routing Table: 2
Unregistered ASNs in the Routing Table: 5
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1653238476
Equivalent to 98 /8s, 138 /16s and 106 /24s
Percentage of available address space announced: 44.6
Percentage of allocated address space announced: 63.3
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 105388
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 45967
Total APNIC prefixes after maximum aggregation: 18607
APNIC Deaggregation factor: 2.47
Prefixes being announced from the APNIC address blocks: 43523
Unique aggregates announced from the APNIC address blocks: 19209
APNIC Region origin ASes present in the Internet Routing Table: 2817
APNIC Region origin ASes announcing only one prefix: 797
APNIC Region transit ASes present in the Internet Routing Table: 424
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 274832224
Equivalent to 16 /8s, 97 /16s and 155 /24s
Percentage of available APNIC address space announced: 85.9
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, 121/8, 122/7, 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: 102180
Total ARIN prefixes after maximum aggregation: 60528
ARIN Deaggregation factor: 1.69
Prefixes being announced from the ARIN address blocks: 75372
Unique aggregates announced from the ARIN address blocks: 28736
ARIN Region origin ASes present in the Internet Routing Table: 11258
ARIN Region origin ASes announcing only one prefix: 4307
ARIN Region transit ASes present in the Internet Routing Table: 1037
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 311951488
Equivalent to 18 /8s, 152 /16s and 0 /24s
Percentage of available ARIN address space announced: 68.9
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: 42912
Total RIPE prefixes after maximum aggregation: 28034
RIPE Deaggregation factor: 1.53
Prefixes being announced from the RIPE address blocks: 39688
Unique aggregates announced from the RIPE address blocks: 26446
RIPE Region origin ASes present in the Internet Routing Table: 9003
RIPE Region origin ASes announcing only one prefix: 4744
RIPE Region transit ASes present in the Internet Routing Table: 1443
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 32
Number of RIPE addresses announced to Internet: 283748004
Equivalent to 16 /8s, 233 /16s and 166 /24s
Percentage of available RIPE address space announced: 76.9
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, 193/8, 194/7,
212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 13516
Total LACNIC prefixes after maximum aggregation: 3986
LACNIC Deaggregation factor: 3.39
Prefixes being announced from the LACNIC address blocks: 11595
Unique aggregates announced from the LACNIC address blocks: 7142
LACNIC Region origin ASes present in the Internet Routing Table: 756
LACNIC Region origin ASes announcing only one prefix: 252
LACNIC Region transit ASes present in the Internet Routing Table: 131
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 35866880
Equivalent to 2 /8s, 35 /16s and 73 /24s
Percentage of available LACNIC address space announced: 53.4
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: 2524
Total AfriNIC prefixes after maximum aggregation: 950
AfriNIC Deaggregation factor: 2.66
Prefixes being announced from the AfriNIC address blocks: 1771
Unique aggregates announced from the AfriNIC address blocks: 1117
AfriNIC Region origin ASes present in the Internet Routing Table: 171
AfriNIC Region origin ASes announcing only one prefix: 52
AfriNIC Region transit ASes present in the Internet Routing Table: 32
Average AfriNIC Region AS path length visible: 3.6
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 5348864
Equivalent to 0 /8s, 81 /16s and 158 /24s
Percentage of available AfriNIC address space announced: 15.9
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 1262 8641 262 CHINANET-BACKBONE
4755 1043 384 68 Videsh Sanchar Nigam Ltd. Aut
9583 1021 99 64 Sify Limited
9498 917 467 65 BHARTI BT INTERNET LTD.
23577 771 34 700 KRNIC
4766 760 4946 312 Korea Telecom (KIX)
1221 577 1714 447 Telstra Pty Ltd
17488 567 35 22 Hathway IP Over Cable Interne
7545 556 126 73 TPG Internet Pty Ltd
17676 503 10935 66 Softbank BB Corp.
18101 497 87 27 Reliance Infocom Ltd Internet
9443 442 111 74 Primus Telecommunications
9942 439 85 131 COMindico Australia
4812 436 759 69 China Telecom (Shanghai)
17974 362 129 12 PT TELEKOMUNIKASI INDONESIA
4802 360 86 150 Wantree Development
17557 360 35 169 Pakistan Telecom
17849 353 33 93 Telecommunications Technology
2907 332 1749 309 SINET Japan
4837 332 3943 145 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1540 6161 997 AT&T WorldNet Services
2386 1103 585 732 AT&T Data Communications Serv
4323 1063 821 299 Time Warner Telecom
6197 1021 639 500 BellSouth Network Solutions,
18566 983 272 8 Covad Communications
701 935 6676 750 UUNET Technologies, Inc.
174 934 6789 866 Cogent Communications
11492 907 99 14 Cable One
1239 825 2730 575 Sprint
19262 811 2538 182 Verizon Global Networks
721 779 21901 294 DLA Systems Automation Center
20115 770 671 409 Charter Communications
209 721 3764 567 Qwest
22773 715 1744 41 Cox Communications, Inc.
7011 688 209 429 Citizens Utilities
852 604 1092 392 Telus Advanced Communications
5668 569 161 19 CenturyTel Internet Holdings,
19916 567 48 57 OLM LLC
6198 549 519 256 BellSouth Network Solutions,
855 535 250 73 Canadian Research Network
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 546 1912 425 UUNET - Commercial IP service
3301 306 1199 288 TeliaNet Sweden
3320 296 4993 247 Deutsche Telekom AG
24863 296 45 25 LINKdotNET AS number
8220 271 473 262 COLT Telecommunications
6746 265 93 243 Dynamic Network Technologies,
680 256 2042 250 DFN-IP service G-WiN
8708 234 283 221 Romania Data Systems S.A.
3215 233 2136 96 France Telecom Transpac
1257 214 1069 171 SWIPnet Swedish IP Network
3269 211 2375 74 TELECOM ITALIA
30890 210 19 90 SC Kappa Invexim SRL
3246 208 353 195 Song Networks
5416 206 13 9 BATELCO-BH
8551 196 197 24 Bezeq International
3352 176 1767 31 Ibernet, Internet Access Netw
3300 175 171 89 AUCS Communications Services
12479 175 578 6 Uni2 Autonomous System
20858 175 34 3 This AS will be used to conne
786 171 1795 171 The JANET IP Service
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 827 2015 204 UniNet S.A. de C.V.
11830 482 299 19 Instituto Costarricense de El
11172 385 104 74 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
22047 307 206 11 VTR PUNTO NET S.A.
14117 258 16 13 Telefonica del Sur S.A.
6471 256 74 31 ENTEL CHILE S.A.
7303 228 102 36 Telecom Argentina Stet-France
6147 223 182 20 Telefonica Del Peru
6503 216 170 93 AVANTEL, S.A.
11556 211 104 6 Cable-Wireless Panama
10481 181 72 8 Prima S.A.
21826 156 20 35 INTERCABLE
23216 146 19 43 RAMtelecom Telecomunicaciones
7910 145 10 32 ANDINET ON LINE
18822 145 9 10 TELEFONICA MANQUEHUE
19429 141 84 35 E.T.B.
19169 139 9 22 Telconet
14522 134 21 8 SatNet S.A.
6505 125 89 85 Global One Communicaoes Ltda
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 289 868 231 The Internet Solution
8452 230 60 6 TEDATA
15475 154 84 4 Nile Online
6713 144 135 11 Itissalat Al-MAGHRIB
2018 138 309 113 Tertiary Education Network
5536 123 8 15 Internet Egypt Network
33783 109 6 4 EEPAD TISP TELECOM & INTERNET
24835 85 48 6 RAYA Telecom - Egypt
2905 84 175 73 The Internetworking Company o
2561 60 6 2 Egyptian Universities Network
15706 55 12 4 Sudatel Internet Exchange Aut
23889 55 13 15 MAURITIUS TELECOM
5713 41 294 34 Telkom SA Ltd
12455 39 6 3 Jambonet Autonomous system
33774 38 12 22 AS Number for Telecom Algeria
16637 33 21 25 Johnnic e-Ventures
33766 33 2 1 Nyala Communications Pty Ltd
8524 30 2 6 AUCEGYPT Autonomous System
15804 27 2 1 AS of The Way Out Internet So
33776 27 2 5 Starcomms Nigeria Limited
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1262 1000 CHINANET-BACKBONE
4755 1043 975 Videsh Sanchar Nigam Ltd. Aut
18566 983 975 Covad Communications
9583 1021 957 Sify Limited
11492 907 893 Cable One
9498 917 852 BHARTI BT INTERNET LTD.
4323 1063 764 Time Warner Telecom
22773 715 674 Cox Communications, Inc.
19262 811 629 Verizon Global Networks
8151 827 623 UniNet S.A. de C.V.
5668 569 550 CenturyTel Internet Holdings,
17488 567 545 Hathway IP Over Cable Interne
6197 1021 521 BellSouth Network Solutions,
19916 567 510 OLM LLC
721 779 485 DLA Systems Automation Center
7545 556 483 TPG Internet Pty Ltd
18101 497 470 Reliance Infocom Ltd Internet
11830 482 463 Instituto Costarricense de El
855 535 462 Canadian Research Network
15270 495 461 PaeTec.net -a division of Pae
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65500 PRIVATE 193.201.219.0/24 25082 ISP Gamma-Key AS
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
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
192.172.0.0/19 721 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 /9:10 /10:13 /11:30 /12:116
/13:228 /14:409 /15:802 /16:9096 /17:3631 /18:5914
/19:12892 /20:14484 /21:12911 /22:16459 /23:17906 /24:110572
/25:591 /26:451 /27:350 /28:72 /29:38 /30:83
/31:0 /32:24
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 966 983 Covad Communications
11492 893 907 Cable One
9583 850 1021 Sify Limited
7018 833 1540 AT&T WorldNet Services
2386 827 1103 AT&T Data Communications Serv
6197 794 1021 BellSouth Network Solutions,
23577 757 771 KRNIC
7011 593 688 Citizens Utilities
9498 578 917 BHARTI BT INTERNET LTD.
4766 569 760 Korea Telecom (KIX)
19916 562 567 OLM LLC
4755 482 1043 Videsh Sanchar Nigam Ltd. Aut
15270 463 495 PaeTec.net -a division of Pae
5668 439 569 CenturyTel Internet Holdings,
855 432 535 Canadian Research Network
18101 431 497 Reliance Infocom Ltd Internet
1239 411 825 Sprint
33588 396 418 Bresnan Communications, LLC.
17488 390 567 Hathway IP Over Cable Interne
6198 388 549 BellSouth Network Solutions,
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:62 9:1 12:1656 13:1 15:15
16:3 17:3 18:5 20:36 24:870 25:1
32:55 38:274 40:57 41:56 44:2 47:10
52:4 53:1 55:1 56:3 57:25 58:277
59:361 60:190 61:956 62:1063 63:1894 64:3181
65:2298 66:3079 67:696 68:653 69:1705 70:404
71:129 72:1122 74:125 75:51 76:18 80:817
81:786 82:638 83:352 84:485 85:781 86:436
87:451 88:255 89:728 90:3 91:131 97:1
121:117 122:54 123:8 124:516 125:756 128:312
129:219 130:125 131:315 132:49 133:9 134:181
135:44 136:179 137:114 138:189 139:54 140:518
141:134 142:348 143:212 144:264 145:67 146:319
147:138 148:363 149:190 150:113 151:117 152:90
153:119 154:5 155:245 156:150 157:152 158:166
159:141 160:99 161:100 162:225 163:159 164:237
165:237 166:243 167:283 168:479 169:121 170:365
171:12 172:1 189:49 190:330 192:5738 193:3616
194:2887 195:2192 196:914 198:3771 199:3280 200:4632
201:951 202:7085 203:7261 204:3957 205:2114 206:2430
207:2896 208:2377 209:3562 210:2282 211:859 212:1313
213:1422 214:385 215:39 216:4081 217:1193 218:346
219:258 220:836 221:370 222:277
End of report
Report Website: http://thyme.apnic.net
