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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Thu 28 Sep, 2006
Analysis Summary
----------------
BGP routing table entries examined: 199047
Prefixes after maximum aggregation: 108534
Unique aggregates announced to Internet: 96676
Total ASes present in the Internet Routing Table: 23215
Origin-only ASes present in the Internet Routing Table: 20239
Origin ASes announcing only one prefix: 9706
Transit ASes present in the Internet Routing Table: 2976
Transit-only ASes present in the Internet Routing Table: 72
Average AS path length visible in the Internet Routing Table: 3.5
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: 5
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1593097612
Equivalent to 94 /8s, 244 /16s and 189 /24s
Percentage of available address space announced: 43.0
Percentage of allocated address space announced: 61.0
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 99639
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 43698
Total APNIC prefixes after maximum aggregation: 17564
Prefixes being announced from the APNIC address blocks: 41298
Unique aggregates announced from the APNIC address blocks: 18630
APNIC Region origin ASes present in the Internet Routing Table: 2707
APNIC Region origin ASes announcing only one prefix: 758
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: 24
Number of APNIC addresses announced to Internet: 262615904
Equivalent to 15 /8s, 167 /16s and 51 /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: 100473
Total ARIN prefixes after maximum aggregation: 59498
Prefixes being announced from the ARIN address blocks: 73741
Unique aggregates announced from the ARIN address blocks: 27819
ARIN Region origin ASes present in the Internet Routing Table: 11009
ARIN Region origin ASes announcing only one prefix: 4178
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: 302055424
Equivalent to 18 /8s, 1 /16s and 0 /24s
Percentage of available ARIN address space announced: 78.3
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: 40362
Total RIPE prefixes after maximum aggregation: 26763
Prefixes being announced from the RIPE address blocks: 37298
Unique aggregates announced from the RIPE address blocks: 25015
RIPE Region origin ASes present in the Internet Routing Table: 8536
RIPE Region origin ASes announcing only one prefix: 4472
RIPE Region transit ASes present in the Internet Routing Table: 1382
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 266413476
Equivalent to 15 /8s, 225 /16s and 37 /24s
Percentage of available RIPE address space announced: 72.2
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: 12203
Total LACNIC prefixes after maximum aggregation: 3792
Prefixes being announced from the LACNIC address blocks: 10226
Unique aggregates announced from the LACNIC address blocks: 6114
LACNIC Region origin ASes present in the Internet Routing Table: 730
LACNIC Region origin ASes announcing only one prefix: 251
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: 17
Number of LACNIC addresses announced to Internet: 32765824
Equivalent to 1 /8s, 243 /16s and 247 /24s
Percentage of available LACNIC address space announced: 48.8
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: 2307
Total AfriNIC prefixes after maximum aggregation: 917
Prefixes being announced from the AfriNIC address blocks: 1617
Unique aggregates announced from the AfriNIC address blocks: 1067
AfriNIC Region origin ASes present in the Internet Routing Table: 161
AfriNIC Region origin ASes announcing only one prefix: 47
AfriNIC Region transit ASes present in the Internet Routing Table: 24
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 4243968
Equivalent to 0 /8s, 64 /16s and 194 /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 1238 8156 237 CHINANET-BACKBONE
4755 996 255 66 Videsh Sanchar Nigam Ltd. Aut
9583 952 108 58 Sify Limited
9498 852 212 72 BHARTI BT INTERNET LTD.
4766 741 4436 307 Korea Telecom (KIX)
1221 610 1780 468 Telstra Pty Ltd
7545 540 124 74 TPG Internet Pty Ltd
17488 534 33 12 Hathway IP Over Cable Interne
17676 499 10933 63 Softbank BB Corp.
9443 454 111 74 Primus Telecommunications
18101 454 85 18 Reliance Infocom Ltd Internet
9942 429 77 125 COMindico Australia
17849 424 31 127 Telecommunications Technology
4802 411 84 150 Wantree Development
4812 406 741 62 China Telecom (Shanghai)
17974 374 129 12 PT TELEKOMUNIKASI INDONESIA
17557 363 30 176 Pakistan Telecom
2907 337 1734 313 SINET Japan
4837 323 3554 139 chinanet IDC center beijing n
10139 321 23 6 Meridian Telekoms
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1525 6257 992 AT&T WorldNet Services
2386 1166 594 841 AT&T Data Communications Serv
6197 1030 640 479 BellSouth Network Solutions,
4323 1024 782 290 Time Warner Telecom
721 979 21909 306 DLA Systems Automation Center
174 972 6825 902 Cogent Communications
18566 962 272 8 Covad Communications
701 951 6742 779 UUNET Technologies, Inc.
1239 837 2763 588 Sprint
11492 750 90 13 Cable One
19262 744 2336 187 Verizon Global Networks
20115 742 664 386 Charter Communications
22773 712 1744 46 Cox Communications, Inc.
209 705 3631 554 Qwest
7011 671 209 425 Citizens Utilities
852 589 1070 386 Telus Advanced Communications
6478 588 1269 382 AT&T Worldnet Services
19916 565 49 54 OLM LLC
855 552 249 74 Canadian Research Network
5668 536 145 18 CenturyTel Internet Holdings,
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 546 1929 426 UUNET - Commercial IP service
3301 314 1186 298 TeliaNet Sweden
3320 297 5013 242 Deutsche Telekom AG
8220 280 455 266 COLT Telecommunications
24863 273 41 30 LINKdotNET AS number
680 251 2041 247 DFN-IP service G-WiN
6746 240 90 219 Dynamic Network Technologies,
3246 228 469 218 Song Networks
9116 224 134 23 Goldenlines main autonomous s
1257 222 740 169 SWIPnet Swedish IP Network
8708 219 278 206 Romania Data Systems S.A.
3215 209 1832 96 France Telecom Transpac
3269 204 2262 74 TELECOM ITALIA
30890 202 18 79 SC Kappa Invexim SRL
8551 200 182 27 Bezeq International
6830 198 879 43 UPC Distribution Services
8866 182 37 15 Bulgarian Telecommunication C
5416 181 12 11 BATELCO-BH
3300 174 171 97 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 642 1811 226 UniNet S.A. de C.V.
11172 373 98 86 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
22047 303 206 11 VTR PUNTO NET S.A.
6147 263 140 24 Telefonica Del Peru
6471 255 74 30 ENTEL CHILE S.A.
14117 216 13 7 Telefonica del Sur S.A.
7303 205 90 21 Telecom Argentina Stet-France
6503 184 168 84 AVANTEL, S.A.
10481 181 72 8 Prima S.A.
23216 146 21 10 RAMtelecom Telecomunicaciones
21826 145 18 28 INTERCABLE
7910 139 9 14 ANDINET ON LINE
19169 135 8 25 Telconet
11556 132 96 4 Cable-Wireless Panama
18822 129 8 10 TELEFONICA MANQUEHUE
19429 123 81 43 E.T.B.
14522 115 18 9 SatNet S.A.
7738 113 410 20 Telecomunicacoes da Bahia S.A
14259 112 10 15 GTD Internet S.A.
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 288 803 232 The Internet Solution
8452 172 60 7 TEDATA
6713 144 135 11 Itissalat Al-MAGHRIB
15475 142 84 4 Nile Online
2018 134 297 111 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 55 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
23889 26 8 11 MAURITIUS TELECOM
16637 24 19 23 Johnnic e-Ventures
21280 24 4 4 Swift Global Kenya Ltd.Is an
10798 23 1 14 Standard Bank of South Africa
21491 23 17 2 UTL On-line is RF broadband I
8524 22 1 5 AUCEGYPT Autonomous System
33766 21 2 1 Nyala Communications Pty Ltd
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1238 1001 CHINANET-BACKBONE
18566 962 954 Covad Communications
4755 996 930 Videsh Sanchar Nigam Ltd. Aut
9583 952 894 Sify Limited
9498 852 780 BHARTI BT INTERNET LTD.
11492 750 737 Cable One
4323 1024 734 Time Warner Telecom
721 979 673 DLA Systems Automation Center
22773 712 666 Cox Communications, Inc.
19262 744 557 Verizon Global Networks
6197 1030 551 BellSouth Network Solutions,
17488 534 522 Hathway IP Over Cable Interne
5668 536 518 CenturyTel Internet Holdings,
19916 565 511 OLM LLC
855 552 478 Canadian Research Network
7545 540 466 TPG Internet Pty Ltd
17676 499 436 Softbank BB Corp.
18101 454 436 Reliance Infocom Ltd Internet
4766 741 434 Korea Telecom (KIX)
15270 467 432 PaeTec.net -a division of Pae
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65001 PRIVATE 88.213.181.0/24 28929 Tiziano D'Inca' - AS
65061 PRIVATE 195.85.215.0/24 24750 Cable Internet Syste
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
64600 PRIVATE 209.161.126.0/24 7137 TELEMATIX/ ENITEL
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 /8:18 /9:9 /10:13 /11:31 /12:106
/13:212 /14:384 /15:762 /16:9022 /17:3488 /18:5697
/19:12302 /20:13879 /21:12220 /22:15531 /23:16912 /24:107175
/25:433 /26:416 /27:191 /28:66 /29:42 /30:89
/31:0 /32:49
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 945 962 Covad Communications
2386 882 1166 AT&T Data Communications Serv
6197 809 1030 BellSouth Network Solutions,
7018 793 1525 AT&T WorldNet Services
9583 784 952 Sify Limited
11492 738 750 Cable One
7011 576 671 Citizens Utilities
19916 559 565 OLM LLC
4766 550 741 Korea Telecom (KIX)
9498 509 852 BHARTI BT INTERNET LTD.
15270 436 467 PaeTec.net -a division of Pae
855 432 552 Canadian Research Network
4755 428 996 Videsh Sanchar Nigam Ltd. Aut
5668 419 536 CenturyTel Internet Holdings,
17849 412 424 Telecommunications Technology
1239 407 837 Sprint
18101 388 454 Reliance Infocom Ltd Internet
22773 373 712 Cox Communications, Inc.
33588 369 390 Bresnan Communications, LLC.
17488 354 534 Hathway IP Over Cable Interne
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:52 12:1655 13:1 15:16 16:3
17:3 18:4 20:41 24:829 25:1 32:57
38:254 40:56 41:19 44:3 47:6 52:4
55:1 56:3 57:25 58:232 59:266 60:185
61:902 62:965 63:1901 64:3100 65:2243 66:3071
67:644 68:657 69:1642 70:393 71:89 72:935
74:79 75:7 80:827 81:687 82:601 83:404
84:406 85:664 86:422 87:460 88:191 89:480
121:36 122:14 123:1 124:373 125:641 128:280
129:230 130:119 131:310 132:34 133:9 134:167
135:51 136:177 137:86 138:224 139:51 140:524
141:134 142:361 143:192 144:239 145:42 146:319
147:137 148:364 149:174 150:114 151:119 152:76
153:122 154:5 155:230 156:158 157:196 158:156
159:175 160:98 161:85 162:218 163:168 164:231
165:215 166:238 167:249 168:488 169:129 170:375
171:11 172:1 190:200 192:5736 193:3485 194:2733
195:2080 196:887 198:3887 199:3322 200:4461 201:922
202:6938 203:7154 204:3937 205:2094 206:2444 207:2954
208:2303 209:3498 210:2200 211:837 212:1366 213:1486
214:380 215:40 216:4041 217:1139 218:339 219:260
220:796 221:385 222:231
End of report
Report Website: http://thyme.apnic.net
