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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Thu 05 Oct, 2006
Analysis Summary
----------------
BGP routing table entries examined: 199452
Prefixes after maximum aggregation: 108505
Unique aggregates announced to Internet: 96678
Total ASes present in the Internet Routing Table: 23267
Origin-only ASes present in the Internet Routing Table: 20266
Origin ASes announcing only one prefix: 9731
Transit ASes present in the Internet Routing Table: 3001
Transit-only ASes present in the Internet Routing Table: 73
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: 3
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1595599628
Equivalent to 95 /8s, 26 /16s and 235 /24s
Percentage of available address space announced: 43.0
Percentage of allocated address space announced: 61.1
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 99902
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 43771
Total APNIC prefixes after maximum aggregation: 17506
Prefixes being announced from the APNIC address blocks: 41355
Unique aggregates announced from the APNIC address blocks: 18421
APNIC Region origin ASes present in the Internet Routing Table: 2706
APNIC Region origin ASes announcing only one prefix: 756
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: 262760288
Equivalent to 15 /8s, 169 /16s and 103 /24s
Percentage of available APNIC address space announced: 82.2
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: 100437
Total ARIN prefixes after maximum aggregation: 59430
Prefixes being announced from the ARIN address blocks: 73809
Unique aggregates announced from the ARIN address blocks: 27877
ARIN Region origin ASes present in the Internet Routing Table: 11026
ARIN Region origin ASes announcing only one prefix: 4187
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: 303785984
Equivalent to 18 /8s, 27 /16s and 104 /24s
Percentage of available ARIN address space announced: 78.7
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: 40515
Total RIPE prefixes after maximum aggregation: 26840
Prefixes being announced from the RIPE address blocks: 37414
Unique aggregates announced from the RIPE address blocks: 25041
RIPE Region origin ASes present in the Internet Routing Table: 8572
RIPE Region origin ASes announcing only one prefix: 4496
RIPE Region transit ASes present in the Internet Routing Table: 1387
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 266801572
Equivalent to 15 /8s, 231 /16s and 17 /24s
Percentage of available RIPE address space announced: 72.3
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: 12416
Total LACNIC prefixes after maximum aggregation: 3806
Prefixes being announced from the LACNIC address blocks: 10427
Unique aggregates announced from the LACNIC address blocks: 6186
LACNIC Region origin ASes present in the Internet Routing Table: 729
LACNIC Region origin ASes announcing only one prefix: 246
LACNIC Region transit ASes present in the Internet Routing Table: 128
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 22
Number of LACNIC addresses announced to Internet: 32942592
Equivalent to 1 /8s, 246 /16s and 170 /24s
Percentage of available LACNIC address space announced: 49.1
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: 2312
Total AfriNIC prefixes after maximum aggregation: 923
Prefixes being announced from the AfriNIC address blocks: 1646
Unique aggregates announced from the AfriNIC address blocks: 1085
AfriNIC Region origin ASes present in the Internet Routing Table: 161
AfriNIC Region origin ASes announcing only one prefix: 46
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: 4294144
Equivalent to 0 /8s, 65 /16s and 134 /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 1241 8174 236 CHINANET-BACKBONE
4755 1000 255 66 Videsh Sanchar Nigam Ltd. Aut
9583 955 109 19 Sify Limited
9498 855 212 72 BHARTI BT INTERNET LTD.
4766 741 4436 307 Korea Telecom (KIX)
1221 607 1780 465 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.
18101 456 85 18 Reliance Infocom Ltd Internet
9443 454 111 74 Primus Telecommunications
9942 425 77 126 COMindico Australia
17849 424 31 127 Telecommunications Technology
4802 413 86 150 Wantree Development
4812 410 741 63 China Telecom (Shanghai)
17974 370 129 12 PT TELEKOMUNIKASI INDONESIA
17557 362 30 177 Pakistan Telecom
2907 336 1734 312 SINET Japan
4837 324 3556 140 chinanet IDC center beijing n
10139 324 23 6 Meridian Telekoms
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1529 6224 981 AT&T WorldNet Services
2386 1172 611 744 AT&T Data Communications Serv
6197 1025 643 481 BellSouth Network Solutions,
4323 1020 782 290 Time Warner Telecom
174 969 6824 894 Cogent Communications
18566 966 272 8 Covad Communications
721 961 21909 303 DLA Systems Automation Center
701 955 6742 784 UUNET Technologies, Inc.
1239 834 2763 589 Sprint
11492 750 90 13 Cable One
19262 748 2372 189 Verizon Global Networks
20115 746 669 388 Charter Communications
22773 714 1744 46 Cox Communications, Inc.
209 706 3631 555 Qwest
7011 671 208 424 Citizens Utilities
852 589 1070 386 Telus Advanced Communications
6478 589 1270 383 AT&T Worldnet Services
19916 565 49 54 OLM LLC
855 545 249 74 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 1929 425 UUNET - Commercial IP service
3301 310 1184 294 TeliaNet Sweden
3320 297 5013 242 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 244 91 222 Dynamic Network Technologies,
3246 229 485 219 Song Networks
1257 222 740 169 SWIPnet Swedish IP Network
8708 220 278 207 Romania Data Systems S.A.
9116 218 134 23 Goldenlines main autonomous s
3215 210 1832 96 France Telecom Transpac
3269 203 2261 73 TELECOM ITALIA
30890 201 18 78 SC Kappa Invexim SRL
8551 200 182 27 Bezeq International
6830 198 879 43 UPC Distribution Services
8866 183 37 15 Bulgarian Telecommunication C
5416 181 12 11 BATELCO-BH
3300 175 171 97 AUCS Communications Services
786 171 1779 171 The JANET IP Service
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 602 1811 226 UniNet S.A. de C.V.
11172 376 99 88 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 229 15 8 Telefonica del Sur S.A.
11830 215 299 20 Instituto Costarricense de El
7303 205 91 26 Telecom Argentina Stet-France
6503 182 168 84 AVANTEL, S.A.
10481 181 72 8 Prima S.A.
23216 146 21 10 RAMtelecom Telecomunicaciones
21826 144 18 29 INTERCABLE
7910 139 9 14 ANDINET ON LINE
19429 137 83 39 E.T.B.
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 113 410 20 Telecomunicacoes da Bahia S.A
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 290 803 233 The Internet Solution
8452 173 60 7 TEDATA
6713 145 139 12 Itissalat Al-MAGHRIB
2018 134 297 111 Tertiary Education Network
15475 130 84 4 Nile Online
5536 121 8 18 Internet Egypt Network
24835 116 48 6 RAYA Telecom - Egypt
33783 108 6 3 EEPAD TISP TELECOM & INTERNET
2905 76 157 69 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
12455 35 6 3 Jambonet Autonomous system
33774 34 7 21 AS Number for Telecom Algeria
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
8524 22 1 5 AUCEGYPT Autonomous System
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1241 1005 CHINANET-BACKBONE
18566 966 958 Covad Communications
9583 955 936 Sify Limited
4755 1000 934 Videsh Sanchar Nigam Ltd. Aut
9498 855 783 BHARTI BT INTERNET LTD.
11492 750 737 Cable One
4323 1020 730 Time Warner Telecom
22773 714 668 Cox Communications, Inc.
721 961 658 DLA Systems Automation Center
19262 748 559 Verizon Global Networks
6197 1025 544 BellSouth Network Solutions,
17488 534 522 Hathway IP Over Cable Interne
5668 537 519 CenturyTel Internet Holdings,
19916 565 511 OLM LLC
855 545 471 Canadian Research Network
7545 540 466 TPG Internet Pty Ltd
18101 456 438 Reliance Infocom Ltd Internet
17676 499 436 Softbank BB Corp.
4766 741 434 Korea Telecom (KIX)
15270 468 433 PaeTec.net -a division of Pae
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
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
/13:214 /14:384 /15:765 /16:9032 /17:3499 /18:5701
/19:12306 /20:13927 /21:12275 /22:15600 /23:16997 /24:107282
/25:432 /26:414 /27:190 /28:68 /29:41 /30:97
/31:0 /32:51
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 949 966 Covad Communications
2386 887 1172 AT&T Data Communications Serv
7018 809 1529 AT&T WorldNet Services
6197 805 1025 BellSouth Network Solutions,
9583 786 955 Sify Limited
11492 738 750 Cable One
7011 578 671 Citizens Utilities
19916 559 565 OLM LLC
4766 550 741 Korea Telecom (KIX)
9498 512 855 BHARTI BT INTERNET LTD.
15270 437 468 PaeTec.net -a division of Pae
4755 431 1000 Videsh Sanchar Nigam Ltd. Aut
855 425 545 Canadian Research Network
5668 419 537 CenturyTel Internet Holdings,
17849 412 424 Telecommunications Technology
1239 406 834 Sprint
18101 390 456 Reliance Infocom Ltd Internet
22773 374 714 Cox Communications, Inc.
33588 370 391 Bresnan Communications, LLC.
17488 354 534 Hathway IP Over Cable Interne
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:52 12:1651 13:1 15:16 16:3
17:3 18:4 20:41 24:820 25:1 32:58
38:257 40:56 41:20 44:3 47:7 52:4
53:1 55:1 56:3 57:25 58:219 59:267
60:202 61:900 62:979 63:1904 64:3117 65:2249
66:3042 67:645 68:658 69:1655 70:394 71:90
72:941 74:81 75:8 80:814 81:695 82:607
83:390 84:402 85:685 86:395 87:574 88:202
89:479 121:53 122:13 124:375 125:650 128:284
129:229 130:120 131:311 132:35 133:9 134:167
135:51 136:177 137:87 138:170 139:47 140:524
141:134 142:345 143:192 144:238 145:43 146:318
147:138 148:361 149:177 150:115 151:121 152:76
153:121 154:5 155:231 156:160 157:163 158:155
159:171 160:98 161:84 162:218 163:153 164:232
165:218 166:239 167:249 168:487 169:129 170:375
171:11 172:1 190:223 192:5767 193:3498 194:2731
195:2084 196:906 198:3882 199:3323 200:4469 201:968
202:6922 203:7167 204:3925 205:2089 206:2421 207:2958
208:2313 209:3508 210:2178 211:837 212:1327 213:1478
214:378 215:40 216:4062 217:1131 218:341 219:262
220:788 221:386 222:231
End of report
Report Website: http://thyme.apnic.net
