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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Wed 20 Sep, 2006
Analysis Summary
----------------
BGP routing table entries examined: 198012
Prefixes after maximum aggregation: 108065
Unique aggregates announced to Internet: 96145
Total ASes present in the Internet Routing Table: 23164
Origin-only ASes present in the Internet Routing Table: 20181
Origin ASes announcing only one prefix: 9683
Transit ASes present in the Internet Routing Table: 2983
Transit-only ASes present in the Internet Routing Table: 70
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: 9
Number of addresses announced to Internet: 1597278348
Equivalent to 95 /8s, 52 /16s and 136 /24s
Percentage of available address space announced: 43.1
Percentage of allocated address space announced: 61.1
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 98925
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 43546
Total APNIC prefixes after maximum aggregation: 17433
Prefixes being announced from the APNIC address blocks: 41145
Unique aggregates announced from the APNIC address blocks: 18423
APNIC Region origin ASes present in the Internet Routing Table: 2706
APNIC Region origin ASes announcing only one prefix: 764
APNIC Region transit ASes present in the Internet Routing Table: 404
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 262458208
Equivalent to 15 /8s, 164 /16s and 203 /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: 100020
Total ARIN prefixes after maximum aggregation: 59332
Prefixes being announced from the ARIN address blocks: 73416
Unique aggregates announced from the ARIN address blocks: 27688
ARIN Region origin ASes present in the Internet Routing Table: 10993
ARIN Region origin ASes announcing only one prefix: 4158
ARIN Region transit ASes present in the Internet Routing Table: 1014
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 298487296
Equivalent to 17 /8s, 202 /16s and 142 /24s
Percentage of available ARIN address space announced: 77.4
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: 39984
Total RIPE prefixes after maximum aggregation: 26583
Prefixes being announced from the RIPE address blocks: 36946
Unique aggregates announced from the RIPE address blocks: 24884
RIPE Region origin ASes present in the Internet Routing Table: 8507
RIPE Region origin ASes announcing only one prefix: 4466
RIPE Region transit ASes present in the Internet Routing Table: 1381
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 265903140
Equivalent to 15 /8s, 217 /16s and 92 /24s
Percentage of available RIPE address space announced: 72.0
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: 12135
Total LACNIC prefixes after maximum aggregation: 3801
Prefixes being announced from the LACNIC address blocks: 10169
Unique aggregates announced from the LACNIC address blocks: 6106
LACNIC Region origin ASes present in the Internet Routing Table: 727
LACNIC Region origin ASes announcing only one prefix: 247
LACNIC Region transit ASes present in the Internet Routing Table: 126
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 32628992
Equivalent to 1 /8s, 241 /16s and 225 /24s
Percentage of available LACNIC address space announced: 48.6
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: 916
Prefixes being announced from the AfriNIC address blocks: 1610
Unique aggregates announced from the AfriNIC address blocks: 1021
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: 16
Number of AfriNIC addresses announced to Internet: 4246016
Equivalent to 0 /8s, 64 /16s and 202 /24s
Percentage of available AfriNIC address space announced: 12.7
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 1269 8116 237 CHINANET-BACKBONE
4755 994 255 66 Videsh Sanchar Nigam Ltd. Aut
9583 953 109 15 Sify Limited
9498 850 212 71 BHARTI BT INTERNET LTD.
4766 736 4436 307 Korea Telecom (KIX)
1221 610 1780 468 Telstra Pty Ltd
7545 539 124 73 TPG Internet Pty Ltd
17488 534 33 12 Hathway IP Over Cable Interne
17676 498 10933 63 Softbank BB Corp.
9443 454 111 74 Primus Telecommunications
18101 453 85 18 Reliance Infocom Ltd Internet
17849 424 31 127 Telecommunications Technology
9942 420 77 125 COMindico Australia
4802 411 84 150 Wantree Development
4812 397 741 61 China Telecom (Shanghai)
17974 372 129 12 PT TELEKOMUNIKASI INDONESIA
17557 352 28 167 Pakistan Telecom
2907 337 1734 312 SINET Japan
10139 330 23 6 Meridian Telekoms
4837 323 3554 139 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1515 6278 986 AT&T WorldNet Services
2386 1032 570 782 AT&T Data Communications Serv
6197 1027 614 495 BellSouth Network Solutions,
4323 1015 776 290 Time Warner Telecom
721 980 21909 306 DLA Systems Automation Center
174 972 6794 903 Cogent Communications
18566 961 272 8 Covad Communications
701 945 6741 773 UUNET Technologies, Inc.
1239 842 2764 592 Sprint
20115 739 661 384 Charter Communications
19262 738 2280 189 Verizon Global Networks
11492 737 90 12 Cable One
209 708 3631 557 Qwest
22773 704 1744 45 Cox Communications, Inc.
7011 667 207 421 Citizens Utilities
852 587 1069 385 Telus Advanced Communications
6478 580 1265 381 AT&T Worldnet Services
19916 565 49 54 OLM LLC
855 545 248 68 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 1944 427 UUNET - Commercial IP service
3301 315 1186 299 TeliaNet Sweden
3320 297 5013 242 Deutsche Telekom AG
8220 279 455 265 COLT Telecommunications
24863 269 42 14 LINKdotNET AS number
680 248 2041 244 DFN-IP service G-WiN
6746 237 90 216 Dynamic Network Technologies,
3246 228 469 218 Song Networks
1257 222 740 169 SWIPnet Swedish IP Network
9116 222 133 21 Goldenlines main autonomous s
8708 216 278 203 Romania Data Systems S.A.
3215 209 1832 96 France Telecom Transpac
3269 204 2262 74 TELECOM ITALIA
8551 202 182 27 Bezeq International
30890 201 18 79 SC Kappa Invexim SRL
6830 198 879 43 UPC Distribution Services
8866 185 37 15 Bulgarian Telecommunication C
5416 180 12 11 BATELCO-BH
3300 173 171 96 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 641 1811 225 UniNet S.A. de C.V.
11172 372 98 89 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
22047 303 206 11 VTR PUNTO NET S.A.
6147 276 142 23 Telefonica Del Peru
6471 256 74 30 ENTEL CHILE S.A.
7303 187 88 18 Telecom Argentina Stet-France
14117 184 13 7 Telefonica del Sur S.A.
6503 182 167 83 AVANTEL, S.A.
10481 181 72 8 Prima S.A.
21826 141 18 25 INTERCABLE
7910 140 9 19 ANDINET ON LINE
19169 137 9 22 Telconet
11556 132 96 4 Cable-Wireless Panama
19429 132 81 39 E.T.B.
18822 129 8 10 TELEFONICA MANQUEHUE
23216 120 21 9 RAMtelecom Telecomunicaciones
14522 117 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 171 60 7 TEDATA
6713 144 135 11 Itissalat Al-MAGHRIB
15475 141 84 4 Nile Online
2018 135 297 111 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 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
16637 25 19 23 Johnnic e-Ventures
21280 24 4 4 Swift Global Kenya Ltd.Is an
10798 23 1 14 Standard Bank of South Africa
12455 23 6 3 Jambonet Autonomous system
23889 23 8 11 MAURITIUS TELECOM
8524 22 1 5 AUCEGYPT Autonomous System
21491 22 17 2 UTL On-line is RF broadband I
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1269 1032 CHINANET-BACKBONE
18566 961 953 Covad Communications
9583 953 938 Sify Limited
4755 994 928 Videsh Sanchar Nigam Ltd. Aut
9498 850 779 BHARTI BT INTERNET LTD.
4323 1015 725 Time Warner Telecom
11492 737 725 Cable One
721 980 674 DLA Systems Automation Center
22773 704 659 Cox Communications, Inc.
19262 738 549 Verizon Global Networks
6197 1027 532 BellSouth Network Solutions,
17488 534 522 Hathway IP Over Cable Interne
5668 533 515 CenturyTel Internet Holdings,
19916 565 511 OLM LLC
855 545 477 Canadian Research Network
7545 539 466 TPG Internet Pty Ltd
17676 498 435 Softbank BB Corp.
15270 470 435 PaeTec.net -a division of Pae
18101 453 435 Reliance Infocom Ltd Internet
4766 736 429 Korea Telecom (KIX)
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
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 /9:10 /10:13 /11:31 /12:104
/13:212 /14:384 /15:757 /16:9014 /17:3469 /18:5670
/19:12249 /20:13827 /21:12161 /22:15444 /23:16814 /24:106528
/25:434 /26:441 /27:186 /28:67 /29:43 /30:88
/31:0 /32:48
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 944 961 Covad Communications
6197 808 1027 BellSouth Network Solutions,
7018 789 1515 AT&T WorldNet Services
9583 782 953 Sify Limited
2386 748 1032 AT&T Data Communications Serv
11492 725 737 Cable One
7011 572 667 Citizens Utilities
19916 559 565 OLM LLC
4766 546 736 Korea Telecom (KIX)
9498 506 850 BHARTI BT INTERNET LTD.
15270 439 470 PaeTec.net -a division of Pae
4755 428 994 Videsh Sanchar Nigam Ltd. Aut
855 425 545 Canadian Research Network
5668 416 533 CenturyTel Internet Holdings,
17849 412 424 Telecommunications Technology
1239 409 842 Sprint
18101 387 453 Reliance Infocom Ltd Internet
22773 370 704 Cox Communications, Inc.
33588 368 389 Bresnan Communications, LLC.
17488 354 534 Hathway IP Over Cable Interne
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:48 12:1647 13:1 15:16 16:3
17:3 18:4 20:41 24:821 25:1 32:58
38:256 40:55 41:16 44:3 47:6 52:4
55:1 56:3 57:25 58:234 59:268 60:167
61:899 62:903 63:1900 64:3072 65:2226 66:3046
67:657 68:653 69:1637 70:390 71:97 72:921
74:79 75:7 80:824 81:693 82:611 83:363
84:401 85:652 86:399 87:459 88:185 89:465
121:33 122:14 123:1 124:368 125:640 128:150
129:230 130:118 131:312 132:37 133:9 134:167
135:50 136:178 137:97 138:225 139:66 140:524
141:134 142:361 143:191 144:241 145:42 146:324
147:136 148:359 149:177 150:114 151:121 152:76
153:119 154:5 155:230 156:158 157:179 158:155
159:174 160:98 161:85 162:218 163:167 164:232
165:225 166:240 167:250 168:481 169:129 170:364
171:11 190:207 192:5737 193:3475 194:2734 195:2082
196:886 198:3889 199:3322 200:4434 201:924 202:6920
203:7144 204:3921 205:2088 206:2432 207:2936 208:2298
209:3479 210:2184 211:835 212:1321 213:1445 214:379
215:40 216:4022 217:1133 218:342 219:257 220:791
221:386 222:242
End of report
Report Website: http://thyme.apnic.net
