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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Wed 13 Sep, 2006
Analysis Summary
----------------
BGP routing table entries examined: 197972
Prefixes after maximum aggregation: 107850
Unique aggregates announced to Internet: 95949
Total ASes present in the Internet Routing Table: 23109
Origin-only ASes present in the Internet Routing Table: 20125
Origin ASes announcing only one prefix: 9659
Transit ASes present in the Internet Routing Table: 2984
Transit-only ASes present in the Internet Routing Table: 65
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: 3
Unregistered ASNs in the Routing Table: 3
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1581013836
Equivalent to 94 /8s, 60 /16s and 91 /24s
Percentage of available address space announced: 42.7
Percentage of allocated address space announced: 60.5
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 98999
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 43357
Total APNIC prefixes after maximum aggregation: 17400
Prefixes being announced from the APNIC address blocks: 40977
Unique aggregates announced from the APNIC address blocks: 18381
APNIC Region origin ASes present in the Internet Routing Table: 2698
APNIC Region origin ASes announcing only one prefix: 760
APNIC Region transit ASes present in the Internet Routing Table: 406
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 262190688
Equivalent to 15 /8s, 160 /16s and 182 /24s
Percentage of available APNIC address space announced: 82.0
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: 99986
Total ARIN prefixes after maximum aggregation: 59142
Prefixes being announced from the ARIN address blocks: 73389
Unique aggregates announced from the ARIN address blocks: 27698
ARIN Region origin ASes present in the Internet Routing Table: 10960
ARIN Region origin ASes announcing only one prefix: 4140
ARIN Region transit ASes present in the Internet Routing Table: 1006
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 296926976
Equivalent to 17 /8s, 178 /16s and 191 /24s
Percentage of available ARIN address space announced: 76.9
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: 39917
Total RIPE prefixes after maximum aggregation: 26570
Prefixes being announced from the RIPE address blocks: 36862
Unique aggregates announced from the RIPE address blocks: 24787
RIPE Region origin ASes present in the Internet Routing Table: 8501
RIPE Region origin ASes announcing only one prefix: 4469
RIPE Region transit ASes present in the Internet Routing Table: 1380
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 263987684
Equivalent to 15 /8s, 188 /16s and 33 /24s
Percentage of available RIPE address space announced: 71.5
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: 12385
Total LACNIC prefixes after maximum aggregation: 3822
Prefixes being announced from the LACNIC address blocks: 10398
Unique aggregates announced from the LACNIC address blocks: 6083
LACNIC Region origin ASes present in the Internet Routing Table: 724
LACNIC Region origin ASes announcing only one prefix: 242
LACNIC Region transit ASes present in the Internet Routing Table: 129
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 32569600
Equivalent to 1 /8s, 240 /16s and 249 /24s
Percentage of available LACNIC address space announced: 48.5
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: 2324
Total AfriNIC prefixes after maximum aggregation: 916
Prefixes being announced from the AfriNIC address blocks: 1598
Unique aggregates announced from the AfriNIC address blocks: 1015
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: 4237312
Equivalent to 0 /8s, 64 /16s and 168 /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 1304 8126 239 CHINANET-BACKBONE
4755 988 255 68 Videsh Sanchar Nigam Ltd. Aut
9583 956 109 15 Sify Limited
9498 850 212 71 BHARTI BT INTERNET LTD.
4766 736 4436 307 Korea Telecom (KIX)
1221 611 1780 468 Telstra Pty Ltd
7545 538 124 73 TPG Internet Pty Ltd
17488 529 33 11 Hathway IP Over Cable Interne
17676 498 10933 62 Softbank BB Corp.
9443 454 111 74 Primus Telecommunications
18101 450 85 18 Reliance Infocom Ltd Internet
17849 424 31 127 Telecommunications Technology
4802 409 84 149 Wantree Development
4812 394 732 60 China Telecom (Shanghai)
17974 374 129 12 PT TELEKOMUNIKASI INDONESIA
17557 356 28 172 Pakistan Telecom
2907 337 1734 312 SINET Japan
10139 325 23 6 Meridian Telekoms
4837 323 3555 138 chinanet IDC center beijing n
7474 287 210 222 SingTel Optus Pty Ltd
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1486 6275 958 AT&T WorldNet Services
2386 1030 569 779 AT&T Data Communications Serv
6197 1028 640 479 BellSouth Network Solutions,
4323 1005 776 290 Time Warner Telecom
721 978 21909 306 DLA Systems Automation Center
18566 961 272 8 Covad Communications
701 948 6759 776 UUNET Technologies, Inc.
174 934 5769 877 Cogent Communications
1239 843 2765 595 Sprint
19262 738 2280 189 Verizon Global Networks
20115 738 660 384 Charter Communications
11492 736 90 12 Cable One
22773 700 1744 45 Cox Communications, Inc.
209 692 3631 548 Qwest
7011 666 207 420 Citizens Utilities
852 587 1068 383 Telus Advanced Communications
19916 564 48 56 OLM LLC
855 544 248 69 Canadian Research Network
5668 537 145 18 CenturyTel Internet Holdings,
3602 511 125 104 Sprint Canada, Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 553 1944 434 UUNET - Commercial IP service
3301 315 1186 299 TeliaNet Sweden
3320 298 5013 243 Deutsche Telekom AG
8220 280 471 266 COLT Telecommunications
24863 268 42 14 LINKdotNET AS number
680 248 2041 244 DFN-IP service G-WiN
1257 244 742 183 SWIPnet Swedish IP Network
6746 243 90 222 Dynamic Network Technologies,
3246 228 469 218 Song Networks
9116 221 134 23 Goldenlines main autonomous s
8708 216 278 203 Romania Data Systems S.A.
3215 204 1760 98 France Telecom Transpac
3269 202 2246 73 TELECOM ITALIA
8551 202 182 27 Bezeq International
30890 200 18 78 SC Kappa Invexim SRL
6830 194 879 43 UPC Distribution Services
8866 187 37 15 Bulgarian Telecommunication C
5416 180 12 11 BATELCO-BH
3300 171 171 96 AUCS Communications Services
786 170 1779 170 The JANET IP Service
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 641 1811 225 UniNet S.A. de C.V.
22047 454 206 11 VTR PUNTO NET S.A.
11172 372 98 89 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
6147 276 140 24 Telefonica Del Peru
6471 256 74 30 ENTEL CHILE S.A.
14117 217 13 7 Telefonica del Sur S.A.
7303 185 87 26 Telecom Argentina Stet-France
6503 184 167 84 AVANTEL, S.A.
10481 181 72 8 Prima S.A.
21826 140 18 26 INTERCABLE
7910 138 9 20 ANDINET ON LINE
19169 137 9 22 Telconet
11556 132 96 4 Cable-Wireless Panama
18822 129 8 10 TELEFONICA MANQUEHUE
19429 129 79 38 E.T.B.
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 111 21 9 RAMtelecom Telecomunicaciones
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 290 803 231 The Internet Solution
8452 174 60 7 TEDATA
6713 144 135 11 Itissalat Al-MAGHRIB
15475 141 84 4 Nile Online
2018 136 298 112 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 68 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 27 8 11 MAURITIUS TELECOM
16637 25 19 23 Johnnic e-Ventures
10798 23 1 14 Standard Bank of South Africa
12455 23 6 3 Jambonet Autonomous system
8524 22 1 5 AUCEGYPT Autonomous System
21491 22 17 2 UTL On-line is RF broadband I
21280 21 4 4 Swift Global Kenya Ltd.Is an
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1304 1065 CHINANET-BACKBONE
18566 961 953 Covad Communications
9583 956 941 Sify Limited
4755 988 920 Videsh Sanchar Nigam Ltd. Aut
9498 850 779 BHARTI BT INTERNET LTD.
11492 736 724 Cable One
4323 1005 715 Time Warner Telecom
721 978 672 DLA Systems Automation Center
22773 700 655 Cox Communications, Inc.
6197 1028 549 BellSouth Network Solutions,
19262 738 549 Verizon Global Networks
5668 537 519 CenturyTel Internet Holdings,
17488 529 518 Hathway IP Over Cable Interne
19916 564 508 OLM LLC
855 544 475 Canadian Research Network
7545 538 465 TPG Internet Pty Ltd
22047 454 443 VTR PUNTO NET S.A.
17676 498 436 Softbank BB Corp.
15270 469 434 PaeTec.net -a division of Pae
18101 450 432 Reliance Infocom Ltd Internet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65128 PRIVATE 193.110.50.0/24 24652 Juniper Networks, Eu
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
64659 PRIVATE 210.184.109.0/24 9729 iAdvantage Limited
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
198.18.0.0/15 8895 KACST/ISU Riyadh Autonomous S
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 /9:9 /10:13 /11:31 /12:103
/13:209 /14:381 /15:743 /16:8978 /17:3449 /18:5647
/19:12226 /20:13818 /21:12125 /22:15358 /23:16603 /24:106978
/25:425 /26:427 /27:190 /28:64 /29:43 /30:87
/31:0 /32:47
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 944 961 Covad Communications
6197 808 1028 BellSouth Network Solutions,
9583 786 956 Sify Limited
7018 779 1486 AT&T WorldNet Services
2386 747 1030 AT&T Data Communications Serv
11492 724 736 Cable One
7011 571 666 Citizens Utilities
19916 558 564 OLM LLC
4766 546 736 Korea Telecom (KIX)
9498 507 850 BHARTI BT INTERNET LTD.
15270 438 469 PaeTec.net -a division of Pae
855 424 544 Canadian Research Network
4755 421 988 Videsh Sanchar Nigam Ltd. Aut
5668 420 537 CenturyTel Internet Holdings,
17849 412 424 Telecommunications Technology
1239 406 843 Sprint
18101 384 450 Reliance Infocom Ltd Internet
7066 383 486 Virginia Polytechnic Institut
22773 371 700 Cox Communications, Inc.
33588 355 376 Bresnan Communications, LLC.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:46 11:1 12:1618 13:1 15:16
16:3 17:3 18:4 20:41 24:820 25:1
32:60 38:254 40:55 41:17 44:3 47:6
52:4 55:1 56:3 57:25 58:233 59:265
60:172 61:905 62:904 63:1885 64:3081 65:2224
66:3082 67:647 68:653 69:1614 70:387 71:90
72:906 74:78 75:7 80:830 81:696 82:666
83:381 84:392 85:640 86:370 87:454 88:183
89:446 121:31 122:5 123:1 124:367 125:635
128:150 129:228 130:118 131:313 132:37 133:8
134:164 135:48 136:178 137:97 138:224 139:50
140:522 141:135 142:360 143:192 144:243 145:42
146:324 147:135 148:360 149:177 150:113 151:127
152:76 153:117 154:5 155:228 156:157 157:174
158:165 159:175 160:97 161:85 162:218 163:169
164:447 165:243 166:235 167:244 168:483 169:129
170:361 171:11 190:208 192:5740 193:3463 194:2732
195:2070 196:873 198:3889 199:3307 200:4694 201:924
202:6887 203:7124 204:3920 205:2103 206:2436 207:2949
208:2294 209:3527 210:2195 211:854 212:1311 213:1447
214:369 215:41 216:4066 217:1134 218:340 219:261
220:802 221:389 222:245
End of report
Report Website: http://thyme.apnic.net
