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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Wed 11 Oct, 2006
Analysis Summary
----------------
BGP routing table entries examined: 199810
Prefixes after maximum aggregation: 108546
Unique aggregates announced to Internet: 96703
Total ASes present in the Internet Routing Table: 23303
Origin-only ASes present in the Internet Routing Table: 20305
Origin ASes announcing only one prefix: 9764
Transit ASes present in the Internet Routing Table: 2998
Transit-only ASes present in the Internet Routing Table: 69
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: 4
Unregistered ASNs in the Routing Table: 4
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1614199820
Equivalent to 96 /8s, 54 /16s and 188 /24s
Percentage of available address space announced: 43.6
Percentage of allocated address space announced: 60.2
Percentage of available address space allocated: 72.3
Total number of prefixes smaller than registry allocations: 100052
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 43869
Total APNIC prefixes after maximum aggregation: 17534
Prefixes being announced from the APNIC address blocks: 41526
Unique aggregates announced from the APNIC address blocks: 18426
APNIC Region origin ASes present in the Internet Routing Table: 2712
APNIC Region origin ASes announcing only one prefix: 761
APNIC Region transit ASes present in the Internet Routing Table: 407
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 263406688
Equivalent to 15 /8s, 179 /16s and 68 /24s
Percentage of available APNIC address space announced: 82.4
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: 100586
Total ARIN prefixes after maximum aggregation: 59485
Prefixes being announced from the ARIN address blocks: 73891
Unique aggregates announced from the ARIN address blocks: 27887
ARIN Region origin ASes present in the Internet Routing Table: 11052
ARIN Region origin ASes announcing only one prefix: 4207
ARIN Region transit ASes present in the Internet Routing Table: 1022
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 304388736
Equivalent to 18 /8s, 36 /16s and 154 /24s
Percentage of available ARIN address space announced: 67.2
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: 40513
Total RIPE prefixes after maximum aggregation: 26741
Prefixes being announced from the RIPE address blocks: 37419
Unique aggregates announced from the RIPE address blocks: 24896
RIPE Region origin ASes present in the Internet Routing Table: 8574
RIPE Region origin ASes announcing only one prefix: 4505
RIPE Region transit ASes present in the Internet Routing Table: 1388
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 267244580
Equivalent to 15 /8s, 237 /16s and 212 /24s
Percentage of available RIPE address space announced: 72.4
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: 12512
Total LACNIC prefixes after maximum aggregation: 3851
Prefixes being announced from the LACNIC address blocks: 10529
Unique aggregates announced from the LACNIC address blocks: 6237
LACNIC Region origin ASes present in the Internet Routing Table: 732
LACNIC Region origin ASes announcing only one prefix: 244
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: 20
Number of LACNIC addresses announced to Internet: 33013248
Equivalent to 1 /8s, 247 /16s and 190 /24s
Percentage of available LACNIC address space announced: 49.2
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: 935
Prefixes being announced from the AfriNIC address blocks: 1648
Unique aggregates announced from the AfriNIC address blocks: 1084
AfriNIC Region origin ASes present in the Internet Routing Table: 164
AfriNIC Region origin ASes announcing only one prefix: 47
AfriNIC Region transit ASes present in the Internet Routing Table: 27
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 4284928
Equivalent to 0 /8s, 65 /16s and 98 /24s
Percentage of available AfriNIC address space announced: 12.8
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 1245 8270 238 CHINANET-BACKBONE
4755 1007 255 66 Videsh Sanchar Nigam Ltd. Aut
9583 964 109 15 Sify Limited
9498 864 212 70 BHARTI BT INTERNET LTD.
4766 741 4436 307 Korea Telecom (KIX)
1221 606 1780 464 Telstra Pty Ltd
7545 539 124 73 TPG Internet Pty Ltd
17488 534 33 12 Hathway IP Over Cable Interne
17676 499 10933 63 Softbank BB Corp.
18101 458 85 18 Reliance Infocom Ltd Internet
9443 454 111 74 Primus Telecommunications
9942 427 77 126 COMindico Australia
17849 424 31 127 Telecommunications Technology
4802 414 86 151 Wantree Development
4812 411 741 63 China Telecom (Shanghai)
17974 368 129 12 PT TELEKOMUNIKASI INDONESIA
17557 361 30 176 Pakistan Telecom
2907 336 1734 312 SINET Japan
10139 326 23 6 Meridian Telekoms
4837 324 3556 140 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1517 6208 977 AT&T WorldNet Services
2386 1166 610 740 AT&T Data Communications Serv
4323 1030 784 294 Time Warner Telecom
6197 1020 617 495 BellSouth Network Solutions,
18566 967 272 8 Covad Communications
721 959 21909 305 DLA Systems Automation Center
174 958 6823 884 Cogent Communications
701 957 6742 784 UUNET Technologies, Inc.
1239 826 2762 582 Sprint
11492 752 90 13 Cable One
20115 749 673 390 Charter Communications
19262 743 2391 181 Verizon Global Networks
22773 715 1744 46 Cox Communications, Inc.
209 705 3631 553 Qwest
7011 686 210 430 Citizens Utilities
6478 591 1270 385 AT&T Worldnet Services
852 588 1069 385 Telus Advanced Communications
19916 565 49 54 OLM LLC
855 543 250 74 Canadian Research Network
5668 538 145 18 CenturyTel Internet Holdings,
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 545 1928 424 UUNET - Commercial IP service
3301 310 1184 294 TeliaNet Sweden
3320 300 5013 245 Deutsche Telekom AG
8220 279 455 265 COLT Telecommunications
24863 273 41 30 LINKdotNET AS number
680 251 2041 247 DFN-IP service G-WiN
6746 246 91 225 Dynamic Network Technologies,
3246 229 485 219 Song Networks
8708 222 279 209 Romania Data Systems S.A.
9116 220 134 23 Goldenlines main autonomous s
3215 214 1872 93 France Telecom Transpac
1257 213 740 169 SWIPnet Swedish IP Network
3269 204 2277 74 TELECOM ITALIA
8551 200 182 27 Bezeq International
6830 197 879 43 UPC Distribution Services
5416 186 12 11 BATELCO-BH
8866 186 37 15 Bulgarian Telecommunication C
3300 175 171 96 AUCS Communications Services
786 171 1779 171 The JANET IP Service
3352 169 1703 31 Ibernet, Internet Access Netw
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 610 1811 224 UniNet S.A. de C.V.
11172 375 99 90 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
22047 303 206 11 VTR PUNTO NET S.A.
11830 281 299 9 Instituto Costarricense de El
6147 264 140 24 Telefonica Del Peru
6471 255 74 30 ENTEL CHILE S.A.
14117 235 15 8 Telefonica del Sur S.A.
7303 206 91 25 Telecom Argentina Stet-France
10481 181 72 8 Prima S.A.
6503 179 168 85 AVANTEL, S.A.
23216 146 19 45 RAMtelecom Telecomunicaciones
21826 144 18 29 INTERCABLE
19429 137 83 39 E.T.B.
7910 136 9 21 ANDINET ON LINE
19169 136 9 21 Telconet
11556 132 96 4 Cable-Wireless Panama
18822 129 8 10 TELEFONICA MANQUEHUE
14522 118 18 9 SatNet S.A.
7738 115 410 20 Telecomunicacoes da Bahia S.A
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 295 804 234 The Internet Solution
8452 173 60 7 TEDATA
6713 145 139 12 Itissalat Al-MAGHRIB
2018 134 297 111 Tertiary Education Network
5536 122 8 17 Internet Egypt Network
24835 116 48 6 RAYA Telecom - Egypt
33783 108 6 3 EEPAD TISP TELECOM & INTERNET
15475 101 84 4 Nile Online
2905 75 157 68 The Internetworking Company o
2561 55 6 2 Egyptian Universities Network
15706 55 12 4 Sudatel Internet Exchange Aut
12455 37 6 3 Jambonet Autonomous system
5713 36 293 32 Telkom SA Ltd
33774 34 7 21 AS Number for Telecom Algeria
8524 30 2 6 AUCEGYPT Autonomous System
23889 27 8 12 MAURITIUS TELECOM
21280 26 4 4 Swift Global Kenya Ltd.Is an
16637 24 19 23 Johnnic e-Ventures
10798 23 1 14 Standard Bank of South Africa
21491 23 17 2 UTL On-line is RF broadband I
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1245 1007 CHINANET-BACKBONE
18566 967 959 Covad Communications
9583 964 949 Sify Limited
4755 1007 941 Videsh Sanchar Nigam Ltd. Aut
9498 864 794 BHARTI BT INTERNET LTD.
11492 752 739 Cable One
4323 1030 736 Time Warner Telecom
22773 715 669 Cox Communications, Inc.
721 959 654 DLA Systems Automation Center
19262 743 562 Verizon Global Networks
6197 1020 525 BellSouth Network Solutions,
17488 534 522 Hathway IP Over Cable Interne
5668 538 520 CenturyTel Internet Holdings,
19916 565 511 OLM LLC
855 543 469 Canadian Research Network
7545 539 466 TPG Internet Pty Ltd
18101 458 440 Reliance Infocom Ltd Internet
17676 499 436 Softbank BB Corp.
15270 470 435 PaeTec.net -a division of Pae
4766 741 434 Korea Telecom (KIX)
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65530 PRIVATE 64.135.249.0/24 6536 MountainNet, Inc.
65530 PRIVATE 64.135.250.0/23 6536 MountainNet, Inc.
65530 PRIVATE 64.135.252.0/22 6536 MountainNet, Inc.
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
192.44.0.0/24 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 /8:19 /9:9 /10:13 /11:29 /12:106
/13:214 /14:386 /15:769 /16:9036 /17:3507 /18:5725
/19:12344 /20:13977 /21:12323 /22:15616 /23:17015 /24:107423
/25:449 /26:421 /27:188 /28:68 /29:42 /30:94
/31:0 /32:37
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 950 967 Covad Communications
2386 884 1166 AT&T Data Communications Serv
6197 802 1020 BellSouth Network Solutions,
7018 798 1517 AT&T WorldNet Services
9583 795 964 Sify Limited
11492 740 752 Cable One
7011 593 686 Citizens Utilities
19916 559 565 OLM LLC
4766 550 741 Korea Telecom (KIX)
9498 516 864 BHARTI BT INTERNET LTD.
15270 439 470 PaeTec.net -a division of Pae
4755 438 1007 Videsh Sanchar Nigam Ltd. Aut
855 423 543 Canadian Research Network
5668 420 538 CenturyTel Internet Holdings,
17849 412 424 Telecommunications Technology
1239 404 826 Sprint
18101 392 458 Reliance Infocom Ltd Internet
22773 374 715 Cox Communications, Inc.
33588 371 392 Bresnan Communications, LLC.
17488 354 534 Hathway IP Over Cable Interne
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:53 12:1647 13:1 15:16 16:3
17:3 18:4 20:41 24:818 25:1 32:58
38:257 40:56 41:22 44:3 47:7 52:4
53:1 55:1 56:3 57:25 58:222 59:288
60:216 61:902 62:970 63:1908 64:3149 65:2245
66:3009 67:646 68:646 69:1652 70:397 71:92
72:945 74:84 75:9 80:829 81:690 82:612
83:402 84:401 85:699 86:286 87:582 88:227
89:454 91:26 121:52 122:18 124:416 125:659
128:285 129:229 130:122 131:313 132:35 133:9
134:167 135:50 136:177 137:95 138:130 139:47
140:525 141:134 142:344 143:192 144:239 145:43
146:321 147:137 148:359 149:177 150:114 151:121
152:76 153:121 154:5 155:254 156:161 157:166
158:155 159:171 160:98 161:85 162:215 163:148
164:232 165:217 166:239 167:248 168:489 169:128
170:384 171:11 172:1 189:2 190:240 192:5764
193:3502 194:2733 195:2099 196:905 198:3885 199:3314
200:4490 201:964 202:6953 203:7153 204:3922 205:2108
206:2422 207:2963 208:2296 209:3504 210:2180 211:837
212:1338 213:1490 214:379 215:39 216:4061 217:1142
218:336 219:260 220:793 221:384 222:231
End of report
Report Website: http://thyme.apnic.net
