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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Wed 28 Jun, 2006
Analysis Summary
----------------
BGP routing table entries examined: 190901
Prefixes after maximum aggregation: 105215
Unique aggregates announced to Internet: 92976
Total ASes present in the Internet Routing Table: 22538
Origin-only ASes present in the Internet Routing Table: 19611
Origin ASes announcing only one prefix: 9399
Transit ASes present in the Internet Routing Table: 2927
Transit-only ASes present in the Internet Routing Table: 68
Average AS path length visible in the Internet Routing Table: 3.5
Max AS path length visible: 24
Max AS path prepend of ASN (32609) 16
Prefixes from unregistered ASNs in the Routing Table: 2
Unregistered ASNs in the Routing Table: 3
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1539780872
Equivalent to 91 /8s, 199 /16s and 49 /24s
Percentage of available address space announced: 41.5
Percentage of allocated address space announced: 60.1
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 94463
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 41004
Total APNIC prefixes after maximum aggregation: 16896
Prefixes being announced from the APNIC address blocks: 38731
Unique aggregates announced from the APNIC address blocks: 18513
APNIC Region origin ASes present in the Internet Routing Table: 2616
APNIC Region origin ASes announcing only one prefix: 748
APNIC Region transit ASes present in the Internet Routing Table: 398
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 230519136
Equivalent to 13 /8s, 189 /16s and 113 /24s
Percentage of available APNIC address space announced: 72.1
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: 97693
Total ARIN prefixes after maximum aggregation: 58096
Prefixes being announced from the ARIN address blocks: 71516
Unique aggregates announced from the ARIN address blocks: 27022
ARIN Region origin ASes present in the Internet Routing Table: 10797
ARIN Region origin ASes announcing only one prefix: 4073
ARIN Region transit ASes present in the Internet Routing Table: 986
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 294790912
Equivalent to 17 /8s, 146 /16s and 39 /24s
Percentage of available ARIN address space announced: 76.4
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, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 38321
Total RIPE prefixes after maximum aggregation: 25601
Prefixes being announced from the RIPE address blocks: 35367
Unique aggregates announced from the RIPE address blocks: 23181
RIPE Region origin ASes present in the Internet Routing Table: 8193
RIPE Region origin ASes announcing only one prefix: 4296
RIPE Region transit ASes present in the Internet Routing Table: 1352
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 261077892
Equivalent to 15 /8s, 143 /16s and 187 /24s
Percentage of available RIPE address space announced: 81.9
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
40960-41983
RIPE Address Blocks 62/8, 80/5, 88/6, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 11624
Total LACNIC prefixes after maximum aggregation: 3726
Prefixes being announced from the LACNIC address blocks: 9764
Unique aggregates announced from the LACNIC address blocks: 5574
LACNIC Region origin ASes present in the Internet Routing Table: 705
LACNIC Region origin ASes announcing only one prefix: 236
LACNIC Region transit ASes present in the Internet Routing Table: 133
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 28011264
Equivalent to 1 /8s, 171 /16s and 107 /24s
Percentage of available LACNIC address space announced: 41.7
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: 2257
Total AfriNIC prefixes after maximum aggregation: 896
Prefixes being announced from the AfriNIC address blocks: 1521
Unique aggregates announced from the AfriNIC address blocks: 948
AfriNIC Region origin ASes present in the Internet Routing Table: 159
AfriNIC Region origin ASes announcing only one prefix: 46
AfriNIC Region transit ASes present in the Internet Routing Table: 25
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 11
Number of AfriNIC addresses announced to Internet: 4143104
Equivalent to 0 /8s, 63 /16s and 56 /24s
Percentage of available AfriNIC address space announced: 12.3
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 1240 7285 228 CHINANET-BACKBONE
4755 942 258 74 Videsh Sanchar Nigam Ltd. Aut
9583 901 109 15 Sify Limited
4766 688 4435 302 Korea Telecom (KIX)
9498 653 211 67 BHARTI BT INTERNET LTD.
1221 611 1668 470 Telstra Pty Ltd
7545 545 124 70 TPG Internet Pty Ltd
17488 522 32 10 Hathway IP Over Cable Interne
17676 490 7093 110 Softbank BB Corp.
9443 452 111 83 Primus Telecommunications
18101 421 85 24 Reliance Infocom Ltd Internet
17557 390 30 177 Pakistan Telecom
4802 382 81 169 Wantree Development
17974 379 129 14 PT TELEKOMUNIKASI INDONESIA
2907 335 1733 311 SINET Japan
9929 330 255 61 China Netcom Corp.
17849 303 23 103 Telecommunications Technology
7474 297 211 227 SingTel Optus Pty Ltd
4837 278 3085 123 chinanet IDC center beijing n
9800 276 410 67 CHINA UNICOM
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1491 6265 954 AT&T WorldNet Services
4323 1319 744 263 Time Warner Telecom
721 1024 21998 314 DLA Systems Automation Center
6197 1012 630 475 BellSouth Network Solutions,
174 960 5771 896 Cogent Communications
18566 945 272 8 Covad Communications
701 941 6753 777 UUNET Technologies, Inc.
2386 914 560 708 AT&T Data Communications Serv
1239 846 2788 598 Sprint
19262 715 2150 186 Verizon Global Networks
20115 714 619 382 Charter Communications
209 696 3683 551 Qwest
22773 668 1741 40 Cox Communications, Inc.
7011 647 217 411 Citizens Utilities
11492 639 87 22 Cable One
6198 602 568 236 BellSouth Network Solutions,
852 582 1084 381 Telus Advanced Communications
19916 563 49 54 OLM LLC
855 554 244 64 Canadian Research Network
5668 527 147 23 CenturyTel Internet Holdings,
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 568 1951 447 UUNET - Commercial IP service
3301 312 1327 297 TeliaNet Sweden
3352 304 1643 30 Ibernet, Internet Access Netw
3320 287 3989 241 Deutsche Telekom AG
8220 276 470 264 COLT Telecommunications
680 246 2041 243 DFN-IP service G-WiN
6746 239 90 214 Dynamic Network Technologies,
3246 229 462 219 Song Networks
8708 217 276 203 Romania Data Systems S.A.
24863 215 42 10 LINKdotNET AS number
3269 202 2184 73 TELECOM ITALIA
3215 201 1720 96 France Telecom Transpac
8551 200 198 23 Bezeq International
30890 199 18 76 SC Kappa Invexim SRL
1257 194 741 166 SWIPnet Swedish IP Network
8866 187 37 15 Bulgarian Telecommunication C
6830 175 813 37 UPC Distribution Services
786 169 1778 169 The JANET IP Service
9121 169 931 28 TTnet Autonomous System
3300 168 171 97 AUCS Communications Services
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 724 1114 225 UniNet S.A. de C.V.
22047 418 174 11 VTR PUNTO NET S.A.
11172 350 110 84 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
6147 267 134 22 Telefonica Del Peru
14117 207 13 7 Telefonica del Sur S.A.
10481 181 72 8 Prima S.A.
7303 176 82 24 Telecom Argentina Stet-France
6503 171 151 84 AVANTEL, S.A.
21826 133 17 23 INTERCABLE
11556 132 80 4 Cable-Wireless Panama
19169 128 8 24 Telconet
19429 127 68 41 E.T.B.
14259 119 10 15 GTD Internet S.A.
14522 116 18 9 SatNet S.A.
23216 114 21 9 RAMtelecom Telecomunicaciones
6505 109 88 79 Global One Communicaoes Ltda
7910 105 7 10 ANDINET ON LINE
7738 104 410 20 Telecomunicacoes da Bahia S.A
5639 103 12 9 Telecommunications Services o
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 287 803 234 The Internet Solution
8452 166 60 7 TEDATA
6713 154 135 11 Itissalat Al-MAGHRIB
2018 131 314 105 Tertiary Education Network
5536 124 8 15 Internet Egypt Network
24835 116 48 6 RAYA Telecom - Egypt
15475 113 84 4 Nile Online
33783 105 6 2 EEPAD TISP TELECOM & INTERNET
2905 69 139 60 The Internetworking Company o
20928 60 16 3 Noor Advanced Technologies AS
15706 44 8 3 Sudatel Internet Exchange Aut
5713 39 294 35 Telkom SA Ltd
33774 31 7 21 AS Number for Telecom Algeria
12455 25 6 3 Jambonet Autonomous system
16637 24 14 22 Johnnic e-Ventures
21280 24 4 4 Swift Global Kenya Ltd.Is an
23889 23 8 11 MAURITIUS TELECOM
10798 22 1 13 Standard Bank of South Africa
33766 21 2 1 Nyala Communications Pty Ltd
21491 20 17 2 UTL On-line is RF broadband I
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1319 1056 Time Warner Telecom
4134 1240 1012 CHINANET-BACKBONE
18566 945 937 Covad Communications
9583 901 886 Sify Limited
4755 942 868 Videsh Sanchar Nigam Ltd. Aut
721 1024 710 DLA Systems Automation Center
22773 668 628 Cox Communications, Inc.
11492 639 617 Cable One
9498 653 586 BHARTI BT INTERNET LTD.
6197 1012 537 BellSouth Network Solutions,
19262 715 529 Verizon Global Networks
17488 522 512 Hathway IP Over Cable Interne
19916 563 509 OLM LLC
5668 527 504 CenturyTel Internet Holdings,
8151 724 499 UniNet S.A. de C.V.
855 554 490 Canadian Research Network
7545 545 475 TPG Internet Pty Ltd
3602 526 422 Sprint Canada, Inc.
22047 418 407 VTR PUNTO NET S.A.
15270 439 406 PaeTec.net -a division of Pae
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65128 PRIVATE 193.110.50.0/24 24652 Juniper Networks, Eu
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
183.206.196.0/24 2188 FR-RENATER-ASTER
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
192.84.205.0/24 719 LANLINK autonomous system
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 /10:9 /11:28 /12:93
/13:201 /14:364 /15:714 /16:8871 /17:3269 /18:5393
/19:11779 /20:13384 /21:11652 /22:14818 /23:15885 /24:103340
/25:384 /26:293 /27:179 /28:64 /29:62 /30:52
/31:0 /32:40
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 928 945 Covad Communications
6197 794 1012 BellSouth Network Solutions,
7018 793 1491 AT&T WorldNet Services
9583 731 901 Sify Limited
4323 643 1319 Time Warner Telecom
2386 635 914 AT&T Data Communications Serv
11492 630 639 Cable One
19916 557 563 OLM LLC
7011 556 647 Citizens Utilities
4766 500 688 Korea Telecom (KIX)
6198 444 602 BellSouth Network Solutions,
855 428 554 Canadian Research Network
5668 410 527 CenturyTel Internet Holdings,
15270 408 439 PaeTec.net -a division of Pae
1239 391 846 Sprint
9498 377 653 BHARTI BT INTERNET LTD.
4755 373 942 Videsh Sanchar Nigam Ltd. Aut
6517 364 395 Yipes Communications, Inc.
8151 358 724 UniNet S.A. de C.V.
702 352 568 UUNET - Commercial IP service
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:42 12:1614 13:1 15:16 16:3
17:3 18:4 20:41 24:768 25:1 32:58
38:232 40:54 41:3 44:3 47:6 52:4
55:1 56:3 57:26 58:188 59:232 60:189
61:861 62:815 63:1892 64:3182 65:2234 66:3134
67:617 68:678 69:1523 70:385 71:86 72:791
74:50 75:1 80:767 81:647 82:617 83:395
84:376 85:558 86:386 87:366 88:107 89:303
121:1 122:2 123:1 124:288 125:524 128:144
129:189 130:119 131:315 132:33 133:8 134:160
135:48 136:178 137:82 138:206 139:55 140:522
141:134 142:381 143:167 144:224 145:39 146:320
147:137 148:335 149:189 150:114 151:94 152:69
153:106 154:5 155:201 156:183 157:146 158:167
159:172 160:92 161:76 162:244 163:158 164:181
165:211 166:172 167:238 168:491 169:128 170:354
171:14 183:1 190:80 192:5733 193:3362 194:2647
195:1935 196:855 198:3961 199:3226 200:4495 201:1003
202:6679 203:6980 204:3909 205:2050 206:2429 207:2912
208:2159 209:3402 210:2011 211:702 212:1253 213:1474
214:360 215:41 216:4007 217:1174 218:295 219:236
220:721 221:371 222:188
End of report
