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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Tue 19 Sep, 2006
Analysis Summary
----------------
BGP routing table entries examined: 198221
Prefixes after maximum aggregation: 108067
Unique aggregates announced to Internet: 96111
Total ASes present in the Internet Routing Table: 23161
Origin-only ASes present in the Internet Routing Table: 20190
Origin ASes announcing only one prefix: 9689
Transit ASes present in the Internet Routing Table: 2971
Transit-only ASes present in the Internet Routing Table: 66
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: 1
Unregistered ASNs in the Routing Table: 1
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1597190732
Equivalent to 95 /8s, 51 /16s and 50 /24s
Percentage of available address space announced: 43.1
Percentage of allocated address space announced: 61.1
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 99177
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 43586
Total APNIC prefixes after maximum aggregation: 17439
Prefixes being announced from the APNIC address blocks: 41184
Unique aggregates announced from the APNIC address blocks: 18402
APNIC Region origin ASes present in the Internet Routing Table: 2704
APNIC Region origin ASes announcing only one prefix: 760
APNIC Region transit ASes present in the Internet Routing Table: 403
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 262440288
Equivalent to 15 /8s, 164 /16s and 133 /24s
Percentage of available APNIC address space announced: 82.1
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: 100192
Total ARIN prefixes after maximum aggregation: 59298
Prefixes being announced from the ARIN address blocks: 73378
Unique aggregates announced from the ARIN address blocks: 27674
ARIN Region origin ASes present in the Internet Routing Table: 10980
ARIN Region origin ASes announcing only one prefix: 4152
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: 298392576
Equivalent to 17 /8s, 201 /16s and 28 /24s
Percentage of available ARIN address space announced: 77.3
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: 39991
Total RIPE prefixes after maximum aggregation: 26617
Prefixes being announced from the RIPE address blocks: 36950
Unique aggregates announced from the RIPE address blocks: 24886
RIPE Region origin ASes present in the Internet Routing Table: 8524
RIPE Region origin ASes announcing only one prefix: 4482
RIPE Region transit ASes present in the Internet Routing Table: 1378
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 265926628
Equivalent to 15 /8s, 217 /16s and 183 /24s
Percentage of available RIPE address space announced: 72.0
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: 12125
Total LACNIC prefixes after maximum aggregation: 3799
Prefixes being announced from the LACNIC address blocks: 10160
Unique aggregates announced from the LACNIC address blocks: 6097
LACNIC Region origin ASes present in the Internet Routing Table: 726
LACNIC Region origin ASes announcing only one prefix: 247
LACNIC Region transit ASes present in the Internet Routing Table: 127
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 32625920
Equivalent to 1 /8s, 241 /16s and 213 /24s
Percentage of available LACNIC address space announced: 48.6
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: 2326
Total AfriNIC prefixes after maximum aggregation: 914
Prefixes being announced from the AfriNIC address blocks: 1607
Unique aggregates announced from the AfriNIC address blocks: 1017
AfriNIC Region origin ASes present in the Internet Routing Table: 161
AfriNIC Region origin ASes announcing only one prefix: 48
AfriNIC Region transit ASes present in the Internet Routing Table: 25
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 4243456
Equivalent to 0 /8s, 64 /16s and 192 /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 1301 8116 237 CHINANET-BACKBONE
4755 996 255 68 Videsh Sanchar Nigam Ltd. Aut
9583 953 109 15 Sify Limited
9498 850 212 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 530 33 12 Hathway IP Over Cable Interne
17676 497 10933 62 Softbank BB Corp.
9443 454 111 74 Primus Telecommunications
18101 453 85 18 Reliance Infocom Ltd Internet
17849 424 31 127 Telecommunications Technology
9942 416 77 125 COMindico Australia
4802 411 84 150 Wantree Development
4812 397 741 60 China Telecom (Shanghai)
17974 374 129 12 PT TELEKOMUNIKASI INDONESIA
17557 352 28 167 Pakistan Telecom
2907 337 1734 312 SINET Japan
10139 329 23 6 Meridian Telekoms
4837 323 3554 139 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1497 6276 967 AT&T WorldNet Services
2386 1027 569 777 AT&T Data Communications Serv
6197 1026 614 494 BellSouth Network Solutions,
4323 1015 776 291 Time Warner Telecom
721 977 21909 306 DLA Systems Automation Center
174 972 6794 905 Cogent Communications
18566 961 272 8 Covad Communications
701 945 6743 773 UUNET Technologies, Inc.
1239 843 2765 593 Sprint
20115 739 661 384 Charter Communications
19262 738 2280 189 Verizon Global Networks
11492 737 90 12 Cable One
209 707 3631 556 Qwest
22773 704 1744 45 Cox Communications, Inc.
7011 666 207 420 Citizens Utilities
852 587 1069 385 Telus Advanced Communications
6478 579 1265 380 AT&T Worldnet Services
19916 565 49 54 OLM LLC
855 545 248 69 Canadian Research Network
5668 537 145 18 CenturyTel Internet Holdings,
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 546 1944 428 UUNET - Commercial IP service
3301 315 1186 299 TeliaNet Sweden
3320 297 5013 242 Deutsche Telekom AG
8220 279 455 265 COLT Telecommunications
24863 269 42 14 LINKdotNET AS number
680 248 2041 244 DFN-IP service G-WiN
6746 244 90 223 Dynamic Network Technologies,
3246 228 469 218 Song Networks
9116 224 134 23 Goldenlines main autonomous s
1257 219 740 166 SWIPnet Swedish IP Network
8708 216 278 203 Romania Data Systems S.A.
3215 209 1832 96 France Telecom Transpac
3269 204 2262 74 TELECOM ITALIA
8551 202 182 27 Bezeq International
30890 201 18 79 SC Kappa Invexim SRL
6830 198 879 43 UPC Distribution Services
8866 187 37 15 Bulgarian Telecommunication C
5416 180 12 11 BATELCO-BH
3300 173 171 96 AUCS Communications Services
786 172 1779 172 The JANET IP Service
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 641 1811 224 UniNet S.A. de C.V.
11172 372 98 89 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
22047 303 206 11 VTR PUNTO NET S.A.
6147 276 142 23 Telefonica Del Peru
6471 256 74 30 ENTEL CHILE S.A.
7303 187 88 18 Telecom Argentina Stet-France
6503 184 167 84 AVANTEL, S.A.
14117 184 13 7 Telefonica del Sur S.A.
10481 181 72 8 Prima S.A.
21826 141 18 25 INTERCABLE
7910 139 9 19 ANDINET ON LINE
19169 137 9 22 Telconet
11556 132 96 4 Cable-Wireless Panama
19429 132 81 39 E.T.B.
18822 129 8 10 TELEFONICA MANQUEHUE
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 112 21 9 RAMtelecom Telecomunicaciones
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 294 803 231 The Internet Solution
8452 171 60 7 TEDATA
6713 144 135 11 Itissalat Al-MAGHRIB
15475 141 84 4 Nile Online
2018 135 297 111 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 80 159 71 The Internetworking Company o
2561 62 6 2 Egyptian Universities Network
15706 55 12 4 Sudatel Internet Exchange Aut
5713 36 293 32 Telkom SA Ltd
33774 32 7 20 AS Number for Telecom Algeria
16637 25 19 23 Johnnic e-Ventures
21280 24 4 4 Swift Global Kenya Ltd.Is an
10798 23 1 14 Standard Bank of South Africa
23889 23 8 11 MAURITIUS TELECOM
8524 22 1 5 AUCEGYPT Autonomous System
12455 22 6 3 Jambonet Autonomous system
21491 22 17 2 UTL On-line is RF broadband I
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1301 1064 CHINANET-BACKBONE
18566 961 953 Covad Communications
9583 953 938 Sify Limited
4755 996 928 Videsh Sanchar Nigam Ltd. Aut
9498 850 779 BHARTI BT INTERNET LTD.
11492 737 725 Cable One
4323 1015 724 Time Warner Telecom
721 977 671 DLA Systems Automation Center
22773 704 659 Cox Communications, Inc.
19262 738 549 Verizon Global Networks
6197 1026 532 BellSouth Network Solutions,
5668 537 519 CenturyTel Internet Holdings,
17488 530 518 Hathway IP Over Cable Interne
19916 565 511 OLM LLC
855 545 476 Canadian Research Network
7545 537 465 TPG Internet Pty Ltd
17676 497 435 Softbank BB Corp.
15270 470 435 PaeTec.net -a division of Pae
18101 453 435 Reliance Infocom Ltd Internet
4766 736 429 Korea Telecom (KIX)
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
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
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 /9:10 /10:13 /11:31 /12:104
/13:212 /14:384 /15:757 /16:9014 /17:3469 /18:5676
/19:12256 /20:13835 /21:12162 /22:15448 /23:16812 /24:106708
/25:437 /26:441 /27:190 /28:66 /29:43 /30:87
/31:0 /32:48
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 944 961 Covad Communications
6197 807 1026 BellSouth Network Solutions,
7018 782 1497 AT&T WorldNet Services
9583 782 953 Sify Limited
2386 743 1027 AT&T Data Communications Serv
11492 725 737 Cable One
7011 571 666 Citizens Utilities
19916 559 565 OLM LLC
4766 546 736 Korea Telecom (KIX)
9498 506 850 BHARTI BT INTERNET LTD.
15270 439 470 PaeTec.net -a division of Pae
4755 430 996 Videsh Sanchar Nigam Ltd. Aut
855 424 545 Canadian Research Network
5668 420 537 CenturyTel Internet Holdings,
17849 412 424 Telecommunications Technology
1239 409 843 Sprint
18101 387 453 Reliance Infocom Ltd Internet
7066 378 477 Virginia Polytechnic Institut
22773 370 704 Cox Communications, Inc.
33588 355 376 Bresnan Communications, LLC.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:47 12:1641 13:1 15:16 16:3
17:3 18:4 20:41 24:822 25:1 32:60
38:256 40:55 41:17 44:3 47:6 52:4
55:1 56:3 57:25 58:234 59:268 60:182
61:902 62:905 63:1892 64:3079 65:2224 66:3049
67:655 68:653 69:1622 70:389 71:98 72:919
74:78 75:7 80:825 81:693 82:610 83:387
84:392 85:649 86:405 87:456 88:187 89:461
121:32 122:14 123:1 124:369 125:636 128:150
129:230 130:118 131:312 132:37 133:9 134:167
135:50 136:178 137:97 138:225 139:65 140:524
141:134 142:360 143:188 144:240 145:42 146:324
147:136 148:358 149:177 150:114 151:120 152:76
153:119 154:5 155:229 156:158 157:178 158:155
159:174 160:102 161:85 162:219 163:167 164:447
165:231 166:240 167:249 168:487 169:129 170:364
171:11 190:207 192:5742 193:3471 194:2733 195:2086
196:883 198:3884 199:3321 200:4430 201:924 202:6925
203:7133 204:3919 205:2087 206:2427 207:2929 208:2298
209:3483 210:2178 211:833 212:1319 213:1445 214:365
215:40 216:4033 217:1125 218:345 219:256 220:789
221:386 222:242
End of report
Report Website: http://thyme.apnic.net
