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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Thu 21 Sep, 2006
Analysis Summary
----------------
BGP routing table entries examined: 197822
Prefixes after maximum aggregation: 108092
Unique aggregates announced to Internet: 96040
Total ASes present in the Internet Routing Table: 23153
Origin-only ASes present in the Internet Routing Table: 20182
Origin ASes announcing only one prefix: 9675
Transit ASes present in the Internet Routing Table: 2971
Transit-only ASes present in the Internet Routing Table: 72
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: 1597407756
Equivalent to 95 /8s, 54 /16s and 130 /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: 98802
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 43411
Total APNIC prefixes after maximum aggregation: 17474
Prefixes being announced from the APNIC address blocks: 41014
Unique aggregates announced from the APNIC address blocks: 18364
APNIC Region origin ASes present in the Internet Routing Table: 2705
APNIC Region origin ASes announcing only one prefix: 762
APNIC Region transit ASes present in the Internet Routing Table: 402
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 262450784
Equivalent to 15 /8s, 164 /16s and 174 /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: 100004
Total ARIN prefixes after maximum aggregation: 59347
Prefixes being announced from the ARIN address blocks: 73409
Unique aggregates announced from the ARIN address blocks: 27694
ARIN Region origin ASes present in the Internet Routing Table: 10994
ARIN Region origin ASes announcing only one prefix: 4162
ARIN Region transit ASes present in the Internet Routing Table: 1015
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 298736896
Equivalent to 17 /8s, 206 /16s and 93 /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: 39995
Total RIPE prefixes after maximum aggregation: 26560
Prefixes being announced from the RIPE address blocks: 36937
Unique aggregates announced from the RIPE address blocks: 24844
RIPE Region origin ASes present in the Internet Routing Table: 8492
RIPE Region origin ASes announcing only one prefix: 4454
RIPE Region transit ASes present in the Internet Routing Table: 1372
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 265864100
Equivalent to 15 /8s, 216 /16s and 195 /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: 12150
Total LACNIC prefixes after maximum aggregation: 3800
Prefixes being announced from the LACNIC address blocks: 10158
Unique aggregates announced from the LACNIC address blocks: 6103
LACNIC Region origin ASes present in the Internet Routing Table: 730
LACNIC Region origin ASes announcing only one prefix: 249
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: 24
Number of LACNIC addresses announced to Internet: 32638208
Equivalent to 1 /8s, 242 /16s and 5 /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: 2261
Total AfriNIC prefixes after maximum aggregation: 911
Prefixes being announced from the AfriNIC address blocks: 1574
Unique aggregates announced from the AfriNIC address blocks: 1001
AfriNIC Region origin ASes present in the Internet Routing Table: 160
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: 4197376
Equivalent to 0 /8s, 64 /16s and 12 /24s
Percentage of available AfriNIC address space announced: 12.5
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 1237 8116 237 CHINANET-BACKBONE
4755 994 255 66 Videsh Sanchar Nigam Ltd. Aut
9583 951 109 20 Sify Limited
9498 852 212 71 BHARTI BT INTERNET LTD.
4766 734 4436 306 Korea Telecom (KIX)
1221 609 1780 467 Telstra Pty Ltd
7545 540 124 74 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
9942 427 77 125 COMindico Australia
17849 424 31 127 Telecommunications Technology
4802 411 84 150 Wantree Development
4812 397 741 61 China Telecom (Shanghai)
17974 375 129 12 PT TELEKOMUNIKASI INDONESIA
17557 352 28 167 Pakistan Telecom
2907 336 1734 312 SINET Japan
10139 334 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 1517 6278 987 AT&T WorldNet Services
2386 1032 570 782 AT&T Data Communications Serv
6197 1030 640 479 BellSouth Network Solutions,
4323 1016 777 289 Time Warner Telecom
721 980 21909 306 DLA Systems Automation Center
174 972 6825 903 Cogent Communications
18566 961 272 8 Covad Communications
701 945 6741 773 UUNET Technologies, Inc.
1239 841 2764 592 Sprint
19262 739 2296 189 Verizon Global Networks
20115 739 662 385 Charter Communications
11492 738 90 12 Cable One
209 707 3631 557 Qwest
22773 705 1744 46 Cox Communications, Inc.
7011 667 207 421 Citizens Utilities
852 587 1069 385 Telus Advanced Communications
6478 586 1265 381 AT&T Worldnet Services
19916 565 49 54 OLM LLC
855 545 248 69 Canadian Research Network
5668 535 145 18 CenturyTel Internet Holdings,
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 546 1944 428 UUNET - Commercial IP service
3301 315 1186 299 TeliaNet Sweden
3320 297 5013 242 Deutsche Telekom AG
8220 279 455 265 COLT Telecommunications
24863 271 42 14 LINKdotNET AS number
680 250 2041 246 DFN-IP service G-WiN
6746 237 90 216 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 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 200 18 79 SC Kappa Invexim SRL
6830 198 879 43 UPC Distribution Services
8866 186 37 15 Bulgarian Telecommunication C
5416 180 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 641 1811 225 UniNet S.A. de C.V.
11172 371 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 255 74 30 ENTEL CHILE S.A.
7303 188 88 19 Telecom Argentina Stet-France
14117 184 13 7 Telefonica del Sur S.A.
6503 183 167 83 AVANTEL, S.A.
10481 181 72 8 Prima S.A.
21826 141 18 25 INTERCABLE
7910 140 9 19 ANDINET ON LINE
23216 139 21 10 RAMtelecom Telecomunicaciones
19169 136 9 21 Telconet
11556 132 96 4 Cable-Wireless Panama
19429 132 81 39 E.T.B.
18822 129 8 10 TELEFONICA MANQUEHUE
14522 118 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 287 803 231 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 54 6 2 Egyptian Universities Network
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
33766 21 2 1 Nyala Communications Pty Ltd
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1237 1000 CHINANET-BACKBONE
18566 961 953 Covad Communications
9583 951 931 Sify Limited
4755 994 928 Videsh Sanchar Nigam Ltd. Aut
9498 852 781 BHARTI BT INTERNET LTD.
4323 1016 727 Time Warner Telecom
11492 738 726 Cable One
721 980 674 DLA Systems Automation Center
22773 705 659 Cox Communications, Inc.
6197 1030 551 BellSouth Network Solutions,
19262 739 550 Verizon Global Networks
17488 534 522 Hathway IP Over Cable Interne
5668 535 517 CenturyTel Internet Holdings,
19916 565 511 OLM LLC
855 545 476 Canadian Research Network
7545 540 466 TPG Internet Pty Ltd
15270 471 436 PaeTec.net -a division of Pae
17676 498 435 Softbank BB Corp.
18101 453 435 Reliance Infocom Ltd Internet
4766 734 428 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 /15:759 /16:9013 /17:3470 /18:5665
/19:12252 /20:13823 /21:12140 /22:15412 /23:16824 /24:106397
/25:431 /26:436 /27:187 /28:66 /29:42 /30:87
/31:0 /32:46
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 944 961 Covad Communications
6197 809 1030 BellSouth Network Solutions,
7018 791 1517 AT&T WorldNet Services
9583 779 951 Sify Limited
2386 748 1032 AT&T Data Communications Serv
11492 726 738 Cable One
7011 572 667 Citizens Utilities
19916 559 565 OLM LLC
4766 544 734 Korea Telecom (KIX)
9498 508 852 BHARTI BT INTERNET LTD.
15270 440 471 PaeTec.net -a division of Pae
4755 427 994 Videsh Sanchar Nigam Ltd. Aut
855 425 545 Canadian Research Network
5668 418 535 CenturyTel Internet Holdings,
17849 412 424 Telecommunications Technology
1239 408 841 Sprint
18101 387 453 Reliance Infocom Ltd Internet
22773 371 705 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 8:50 12:1648 13:1 15:16 16:3
17:3 18:4 20:41 24:822 25:1 32:57
38:256 40:55 41:17 44:3 47:6 52:4
55:1 56:3 57:25 58:235 59:268 60:178
61:862 62:927 63:1898 64:3077 65:2228 66:3048
67:646 68:654 69:1636 70:393 71:88 72:921
74:79 75:7 80:821 81:686 82:613 83:387
84:399 85:653 86:407 87:461 88:187 89:445
121:34 122:14 123:1 124:375 125:633 128:151
129:230 130:118 131:313 132:37 133:9 134:167
135:50 136:178 137:97 138:225 139:51 140:524
141:135 142:360 143:192 144:241 145:42 146:324
147:136 148:359 149:177 150:114 151:121 152:76
153:120 154:5 155:230 156:158 157:196 158:154
159:174 160:98 161:85 162:218 163:168 164:232
165:225 166:236 167:250 168:487 169:129 170:364
171:11 190:206 192:5740 193:3484 194:2735 195:2068
196:881 198:3887 199:3322 200:4430 201:924 202:6898
203:7134 204:3919 205:2086 206:2434 207:2935 208:2300
209:3478 210:2165 211:800 212:1308 213:1442 214:379
215:40 216:4022 217:1136 218:330 219:257 220:791
221:382 222:232
End of report
Report Website: http://thyme.apnic.net
