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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Sun 10 Sep, 2006
Analysis Summary
----------------
BGP routing table entries examined: 197442
Prefixes after maximum aggregation: 107623
Unique aggregates announced to Internet: 95718
Total ASes present in the Internet Routing Table: 23071
Origin-only ASes present in the Internet Routing Table: 20104
Origin ASes announcing only one prefix: 9640
Transit ASes present in the Internet Routing Table: 2967
Transit-only ASes present in the Internet Routing Table: 64
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 29
Max AS path prepend of ASN (36728) 27
Prefixes from unregistered ASNs in the Routing Table: 3
Unregistered ASNs in the Routing Table: 3
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1580212300
Equivalent to 94 /8s, 48 /16s and 32 /24s
Percentage of available address space announced: 42.6
Percentage of allocated address space announced: 60.5
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 98548
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 43342
Total APNIC prefixes after maximum aggregation: 17382
Prefixes being announced from the APNIC address blocks: 40974
Unique aggregates announced from the APNIC address blocks: 18366
APNIC Region origin ASes present in the Internet Routing Table: 2692
APNIC Region origin ASes announcing only one prefix: 760
APNIC Region transit ASes present in the Internet Routing Table: 405
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 262125920
Equivalent to 15 /8s, 159 /16s and 185 /24s
Percentage of available APNIC address space announced: 82.0
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: 99819
Total ARIN prefixes after maximum aggregation: 59030
Prefixes being announced from the ARIN address blocks: 73323
Unique aggregates announced from the ARIN address blocks: 27594
ARIN Region origin ASes present in the Internet Routing Table: 10957
ARIN Region origin ASes announcing only one prefix: 4140
ARIN Region transit ASes present in the Internet Routing Table: 1008
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 296797184
Equivalent to 17 /8s, 176 /16s and 196 /24s
Percentage of available ARIN address space announced: 76.9
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, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 39688
Total RIPE prefixes after maximum aggregation: 26498
Prefixes being announced from the RIPE address blocks: 36587
Unique aggregates announced from the RIPE address blocks: 24704
RIPE Region origin ASes present in the Internet Routing Table: 8481
RIPE Region origin ASes announcing only one prefix: 4455
RIPE Region transit ASes present in the Internet Routing Table: 1374
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 263682788
Equivalent to 15 /8s, 183 /16s and 122 /24s
Percentage of available RIPE address space announced: 71.4
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
40960-41983
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: 12329
Total LACNIC prefixes after maximum aggregation: 3804
Prefixes being announced from the LACNIC address blocks: 10364
Unique aggregates announced from the LACNIC address blocks: 6072
LACNIC Region origin ASes present in the Internet Routing Table: 720
LACNIC Region origin ASes announcing only one prefix: 241
LACNIC Region transit ASes present in the Internet Routing Table: 125
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 32428288
Equivalent to 1 /8s, 238 /16s and 209 /24s
Percentage of available LACNIC address space announced: 48.3
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: 2261
Total AfriNIC prefixes after maximum aggregation: 909
Prefixes being announced from the AfriNIC address blocks: 1588
Unique aggregates announced from the AfriNIC address blocks: 1010
AfriNIC Region origin ASes present in the Internet Routing Table: 157
AfriNIC Region origin ASes announcing only one prefix: 44
AfriNIC Region transit ASes present in the Internet Routing Table: 24
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 11
Number of AfriNIC addresses announced to Internet: 4236800
Equivalent to 0 /8s, 64 /16s and 166 /24s
Percentage of available AfriNIC address space announced: 12.6
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 1303 8126 238 CHINANET-BACKBONE
4755 985 255 68 Videsh Sanchar Nigam Ltd. Aut
9583 954 109 15 Sify Limited
9498 847 212 71 BHARTI BT INTERNET LTD.
4766 736 4436 307 Korea Telecom (KIX)
1221 610 1780 468 Telstra Pty Ltd
7545 537 124 72 TPG Internet Pty Ltd
17488 529 33 11 Hathway IP Over Cable Interne
17676 498 10933 62 Softbank BB Corp.
9443 454 111 74 Primus Telecommunications
18101 448 85 18 Reliance Infocom Ltd Internet
17849 424 31 127 Telecommunications Technology
4802 409 84 149 Wantree Development
4812 394 732 60 China Telecom (Shanghai)
17974 373 129 12 PT TELEKOMUNIKASI INDONESIA
17557 354 28 172 Pakistan Telecom
2907 337 1734 312 SINET Japan
4837 323 3555 138 chinanet IDC center beijing n
10139 322 23 6 Meridian Telekoms
7474 287 210 222 SingTel Optus Pty Ltd
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1479 6275 956 AT&T WorldNet Services
6197 1029 640 479 BellSouth Network Solutions,
4323 999 776 289 Time Warner Telecom
721 969 21909 306 DLA Systems Automation Center
2386 967 563 735 AT&T Data Communications Serv
18566 959 272 8 Covad Communications
701 947 6775 775 UUNET Technologies, Inc.
174 935 5769 878 Cogent Communications
1239 844 2765 597 Sprint
20115 740 662 388 Charter Communications
19262 739 2280 189 Verizon Global Networks
11492 734 90 14 Cable One
22773 700 1744 45 Cox Communications, Inc.
209 693 3646 547 Qwest
7011 666 206 420 Citizens Utilities
852 587 1068 383 Telus Advanced Communications
19916 565 49 54 OLM LLC
855 549 248 73 Canadian Research Network
5668 537 145 18 CenturyTel Internet Holdings,
3602 511 125 104 Sprint Canada, Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 551 1944 433 UUNET - Commercial IP service
3301 314 1186 299 TeliaNet Sweden
3320 298 5013 243 Deutsche Telekom AG
8220 280 471 266 COLT Telecommunications
24863 259 42 14 LINKdotNET AS number
680 248 2041 244 DFN-IP service G-WiN
6746 243 90 222 Dynamic Network Technologies,
3246 230 462 220 Song Networks
1257 219 740 166 SWIPnet Swedish IP Network
8708 216 278 203 Romania Data Systems S.A.
3215 204 1760 98 France Telecom Transpac
3269 202 2246 73 TELECOM ITALIA
8551 202 182 27 Bezeq International
30890 199 18 81 SC Kappa Invexim SRL
6830 194 879 43 UPC Distribution Services
8866 185 37 15 Bulgarian Telecommunication C
5416 180 12 11 BATELCO-BH
3300 171 171 96 AUCS Communications Services
786 170 1778 170 The JANET IP Service
3352 167 1671 31 Ibernet, Internet Access Netw
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 641 1811 225 UniNet S.A. de C.V.
22047 454 206 11 VTR PUNTO NET S.A.
11172 372 98 89 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
6147 275 140 24 Telefonica Del Peru
6471 255 74 30 ENTEL CHILE S.A.
14117 217 13 7 Telefonica del Sur S.A.
6503 184 167 84 AVANTEL, S.A.
7303 184 86 28 Telecom Argentina Stet-France
10481 181 72 8 Prima S.A.
21826 140 18 26 INTERCABLE
7910 137 9 20 ANDINET ON LINE
19169 137 9 22 Telconet
11556 132 96 4 Cable-Wireless Panama
18822 129 8 10 TELEFONICA MANQUEHUE
19429 129 79 38 E.T.B.
14522 117 18 9 SatNet S.A.
7738 113 410 20 Telecomunicacoes da Bahia S.A
14259 112 10 15 GTD Internet S.A.
23216 111 21 9 RAMtelecom Telecomunicaciones
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 281 802 229 The Internet Solution
8452 175 60 7 TEDATA
6713 144 135 11 Itissalat Al-MAGHRIB
15475 141 84 4 Nile Online
2018 136 298 112 Tertiary Education Network
5536 121 8 18 Internet Egypt Network
24835 116 48 6 RAYA Telecom - Egypt
33783 107 6 2 EEPAD TISP TELECOM & INTERNET
2905 79 159 70 The Internetworking Company o
15706 52 12 4 Sudatel Internet Exchange Aut
5713 36 293 32 Telkom SA Ltd
33774 32 7 20 AS Number for Telecom Algeria
23889 27 8 11 MAURITIUS TELECOM
16637 25 19 23 Johnnic e-Ventures
10798 23 1 14 Standard Bank of South Africa
12455 23 6 3 Jambonet Autonomous system
21280 23 4 4 Swift Global Kenya Ltd.Is an
8524 22 1 5 AUCEGYPT Autonomous System
21491 22 17 2 UTL On-line is RF broadband I
33766 21 2 1 Nyala Communications Pty Ltd
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1303 1065 CHINANET-BACKBONE
18566 959 951 Covad Communications
9583 954 939 Sify Limited
4755 985 917 Videsh Sanchar Nigam Ltd. Aut
9498 847 776 BHARTI BT INTERNET LTD.
11492 734 720 Cable One
4323 999 710 Time Warner Telecom
721 969 663 DLA Systems Automation Center
22773 700 655 Cox Communications, Inc.
6197 1029 550 BellSouth Network Solutions,
19262 739 550 Verizon Global Networks
5668 537 519 CenturyTel Internet Holdings,
17488 529 518 Hathway IP Over Cable Interne
19916 565 511 OLM LLC
855 549 476 Canadian Research Network
7545 537 465 TPG Internet Pty Ltd
22047 454 443 VTR PUNTO NET S.A.
17676 498 436 Softbank BB Corp.
15270 469 434 PaeTec.net -a division of Pae
18101 448 430 Reliance Infocom Ltd Internet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65515 PRIVATE 66.118.93.0/24 6536 MountainNet, Inc.
65128 PRIVATE 193.110.50.0/24 24652 Juniper Networks, Eu
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
198.18.0.0/15 8895 KACST/ISU Riyadh Autonomous S
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
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
192.249.0.0/20 3450 University of Tennessee, Knox
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 /10:13 /11:31 /12:103
/13:208 /14:381 /15:742 /16:8968 /17:3447 /18:5653
/19:12216 /20:13808 /21:12107 /22:15369 /23:16568 /24:106540
/25:418 /26:427 /27:184 /28:64 /29:42 /30:80
/31:0 /32:46
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 942 959 Covad Communications
6197 809 1029 BellSouth Network Solutions,
9583 784 954 Sify Limited
7018 773 1479 AT&T WorldNet Services
11492 722 734 Cable One
2386 684 967 AT&T Data Communications Serv
7011 572 666 Citizens Utilities
19916 559 565 OLM LLC
4766 546 736 Korea Telecom (KIX)
9498 503 847 BHARTI BT INTERNET LTD.
15270 438 469 PaeTec.net -a division of Pae
855 423 549 Canadian Research Network
5668 420 537 CenturyTel Internet Holdings,
4755 419 985 Videsh Sanchar Nigam Ltd. Aut
17849 412 424 Telecommunications Technology
1239 405 844 Sprint
7066 385 488 Virginia Polytechnic Institut
18101 382 448 Reliance Infocom Ltd Internet
22773 371 700 Cox Communications, Inc.
6517 355 386 Yipes Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:46 11:1 12:1614 13:1 15:16
16:3 17:3 18:4 20:41 24:821 25:1
32:60 38:255 40:55 41:16 44:3 47:6
52:4 55:1 56:3 57:24 58:228 59:265
60:181 61:909 62:893 63:1883 64:3069 65:2224
66:3072 67:646 68:650 69:1614 70:385 71:89
72:906 74:77 75:7 80:797 81:695 82:668
83:386 84:391 85:629 86:354 87:446 88:176
89:442 121:30 122:5 123:1 124:365 125:634
128:150 129:217 130:118 131:313 132:37 133:8
134:163 135:48 136:178 137:97 138:224 139:49
140:520 141:135 142:359 143:192 144:239 145:43
146:317 147:136 148:359 149:177 150:113 151:119
152:76 153:117 154:5 155:220 156:172 157:177
158:164 159:172 160:95 161:85 162:218 163:166
164:447 165:223 166:182 167:245 168:483 169:129
170:360 171:11 190:203 192:5732 193:3414 194:2726
195:2057 196:867 198:3895 199:3322 200:4670 201:927
202:6847 203:7142 204:3921 205:2092 206:2431 207:2950
208:2294 209:3506 210:2185 211:855 212:1284 213:1449
214:366 215:41 216:4055 217:1123 218:339 219:256
220:797 221:388 222:245
End of report
Report Website: http://thyme.apnic.net
