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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Wed 04 Oct, 2006
Analysis Summary
----------------
BGP routing table entries examined: 199283
Prefixes after maximum aggregation: 108470
Unique aggregates announced to Internet: 96615
Total ASes present in the Internet Routing Table: 23253
Origin-only ASes present in the Internet Routing Table: 20260
Origin ASes announcing only one prefix: 9733
Transit ASes present in the Internet Routing Table: 2993
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: 2
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1595153804
Equivalent to 95 /8s, 20 /16s and 29 /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: 99810
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 43761
Total APNIC prefixes after maximum aggregation: 17499
Prefixes being announced from the APNIC address blocks: 41370
Unique aggregates announced from the APNIC address blocks: 18422
APNIC Region origin ASes present in the Internet Routing Table: 2707
APNIC Region origin ASes announcing only one prefix: 759
APNIC Region transit ASes present in the Internet Routing Table: 408
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 262573024
Equivalent to 15 /8s, 166 /16s and 139 /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: 100402
Total ARIN prefixes after maximum aggregation: 59410
Prefixes being announced from the ARIN address blocks: 73790
Unique aggregates announced from the ARIN address blocks: 27867
ARIN Region origin ASes present in the Internet Routing Table: 11018
ARIN Region origin ASes announcing only one prefix: 4190
ARIN Region transit ASes present in the Internet Routing Table: 1020
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 303729152
Equivalent to 18 /8s, 26 /16s and 138 /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: 40378
Total RIPE prefixes after maximum aggregation: 26821
Prefixes being announced from the RIPE address blocks: 37302
Unique aggregates announced from the RIPE address blocks: 25004
RIPE Region origin ASes present in the Internet Routing Table: 8563
RIPE Region origin ASes announcing only one prefix: 4490
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: 18
Number of RIPE addresses announced to Internet: 266684324
Equivalent to 15 /8s, 229 /16s and 71 /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: 12410
Total LACNIC prefixes after maximum aggregation: 3814
Prefixes being announced from the LACNIC address blocks: 10421
Unique aggregates announced from the LACNIC address blocks: 6173
LACNIC Region origin ASes present in the Internet Routing Table: 730
LACNIC Region origin ASes announcing only one prefix: 248
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: 32873216
Equivalent to 1 /8s, 245 /16s and 155 /24s
Percentage of available LACNIC address space announced: 49.0
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: 2331
Total AfriNIC prefixes after maximum aggregation: 926
Prefixes being announced from the AfriNIC address blocks: 1632
Unique aggregates announced from the AfriNIC address blocks: 1081
AfriNIC Region origin ASes present in the Internet Routing Table: 162
AfriNIC Region origin ASes announcing only one prefix: 46
AfriNIC Region transit ASes present in the Internet Routing Table: 26
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 4286464
Equivalent to 0 /8s, 65 /16s and 104 /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 1240 8158 235 CHINANET-BACKBONE
4755 1001 255 66 Videsh Sanchar Nigam Ltd. Aut
9583 953 109 19 Sify Limited
9498 855 212 72 BHARTI BT INTERNET LTD.
4766 741 4436 307 Korea Telecom (KIX)
1221 609 1780 466 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 455 85 18 Reliance Infocom Ltd Internet
9443 454 111 74 Primus Telecommunications
9942 426 77 126 COMindico Australia
17849 424 31 127 Telecommunications Technology
4802 413 86 150 Wantree Development
4812 410 741 63 China Telecom (Shanghai)
17974 374 129 12 PT TELEKOMUNIKASI INDONESIA
17557 363 30 177 Pakistan Telecom
2907 336 1734 312 SINET Japan
10139 325 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 1541 6225 993 AT&T WorldNet Services
2386 1173 611 745 AT&T Data Communications Serv
6197 1024 641 480 BellSouth Network Solutions,
4323 1021 782 290 Time Warner Telecom
174 976 6825 901 Cogent Communications
18566 965 272 8 Covad Communications
721 960 21907 300 DLA Systems Automation Center
701 954 6742 783 UUNET Technologies, Inc.
1239 839 2763 590 Sprint
11492 750 90 13 Cable One
19262 747 2372 188 Verizon Global Networks
20115 744 667 386 Charter Communications
22773 714 1744 46 Cox Communications, Inc.
209 708 3631 556 Qwest
7011 671 208 424 Citizens Utilities
852 589 1070 386 Telus Advanced Communications
6478 588 1269 382 AT&T Worldnet Services
19916 565 49 54 OLM LLC
855 545 249 74 Canadian Research Network
5668 533 145 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 311 1184 295 TeliaNet Sweden
3320 297 5013 242 Deutsche Telekom AG
8220 278 455 264 COLT Telecommunications
24863 273 41 30 LINKdotNET AS number
680 251 2041 247 DFN-IP service G-WiN
6746 240 90 218 Dynamic Network Technologies,
3246 229 485 219 Song Networks
1257 221 740 168 SWIPnet Swedish IP Network
8708 220 278 207 Romania Data Systems S.A.
3215 210 1832 96 France Telecom Transpac
3269 203 2261 73 TELECOM ITALIA
30890 201 18 78 SC Kappa Invexim SRL
8551 199 182 29 Bezeq International
9116 199 134 23 Goldenlines main autonomous s
6830 198 879 43 UPC Distribution Services
8866 186 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 633 1811 225 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 289 803 233 The Internet Solution
8452 173 60 7 TEDATA
6713 145 139 12 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 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 1240 1005 CHINANET-BACKBONE
18566 965 957 Covad Communications
4755 1001 935 Videsh Sanchar Nigam Ltd. Aut
9583 953 934 Sify Limited
9498 855 783 BHARTI BT INTERNET LTD.
11492 750 737 Cable One
4323 1021 731 Time Warner Telecom
22773 714 668 Cox Communications, Inc.
721 960 660 DLA Systems Automation Center
19262 747 559 Verizon Global Networks
6197 1024 544 BellSouth Network Solutions,
17488 534 522 Hathway IP Over Cable Interne
5668 533 515 CenturyTel Internet Holdings,
19916 565 511 OLM LLC
855 545 471 Canadian Research Network
7545 540 466 TPG Internet Pty Ltd
18101 455 437 Reliance Infocom Ltd Internet
17676 499 436 Softbank BB Corp.
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
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 /15:764 /16:9027 /17:3498 /18:5699
/19:12296 /20:13924 /21:12268 /22:15585 /23:17002 /24:107145
/25:431 /26:414 /27:197 /28:68 /29:41 /30:98
/31:0 /32:51
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 948 965 Covad Communications
2386 887 1173 AT&T Data Communications Serv
7018 812 1541 AT&T WorldNet Services
6197 805 1024 BellSouth Network Solutions,
9583 784 953 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 436 467 PaeTec.net -a division of Pae
4755 431 1001 Videsh Sanchar Nigam Ltd. Aut
855 425 545 Canadian Research Network
5668 415 533 CenturyTel Internet Holdings,
17849 412 424 Telecommunications Technology
1239 406 839 Sprint
18101 389 455 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 12:1649 13:1 15:16 16:3
17:3 18:4 20:41 24:819 25:1 32:57
38:257 40:56 41:20 44:3 47:7 52:4
53:1 55:1 56:3 57:25 58:218 59:267
60:220 61:900 62:987 63:1902 64:3118 65:2251
66:3040 67:644 68:658 69:1651 70:393 71:89
72:943 74:81 75:8 80:815 81:697 82:608
83:395 84:402 85:655 86:395 87:465 88:206
89:473 121:52 122:13 124:374 125:651 128:283
129:229 130:120 131:311 132:35 133:9 134:167
135:51 136:177 137:87 138:166 139:47 140:522
141:134 142:345 143:191 144:235 145:43 146:318
147:137 148:362 149:177 150:115 151:121 152:76
153:121 154:5 155:230 156:160 157:164 158:155
159:173 160:98 161:85 162:217 163:154 164:231
165:218 166:239 167:249 168:487 169:129 170:376
171:11 172:1 190:223 192:5758 193:3493 194:2733
195:2087 196:891 198:3886 199:3309 200:4448 201:992
202:6926 203:7161 204:3931 205:2092 206:2426 207:2951
208:2317 209:3507 210:2176 211:837 212:1328 213:1475
214:377 215:40 216:4063 217:1144 218:341 219:262
220:791 221:386 222:231
End of report
Report Website: http://thyme.apnic.net
