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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Fri 15 Dec, 2006
Analysis Summary
----------------
BGP routing table entries examined: 206058
Prefixes after maximum aggregation: 112024
Unique aggregates announced to Internet: 101117
Total ASes present in the Internet Routing Table: 23935
Origin-only ASes present in the Internet Routing Table: 20865
Origin ASes announcing only one prefix: 10057
Transit ASes present in the Internet Routing Table: 3070
Transit-only ASes present in the Internet Routing Table: 76
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: 1646181932
Equivalent to 98 /8s, 30 /16s and 190 /24s
Percentage of available address space announced: 44.4
Percentage of allocated address space announced: 63.0
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 104768
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 45765
Total APNIC prefixes after maximum aggregation: 18842
Prefixes being announced from the APNIC address blocks: 43320
Unique aggregates announced from the APNIC address blocks: 19885
APNIC Region origin ASes present in the Internet Routing Table: 2802
APNIC Region origin ASes announcing only one prefix: 788
APNIC Region transit ASes present in the Internet Routing Table: 419
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 272068320
Equivalent to 16 /8s, 55 /16s and 110 /24s
Percentage of available APNIC address space announced: 85.1
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: 101835
Total ARIN prefixes after maximum aggregation: 60418
Prefixes being announced from the ARIN address blocks: 75009
Unique aggregates announced from the ARIN address blocks: 28534
ARIN Region origin ASes present in the Internet Routing Table: 11232
ARIN Region origin ASes announcing only one prefix: 4285
ARIN Region transit ASes present in the Internet Routing Table: 1029
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 310824576
Equivalent to 18 /8s, 134 /16s and 206 /24s
Percentage of available ARIN address space announced: 68.6
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, 96/6, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 42612
Total RIPE prefixes after maximum aggregation: 27833
Prefixes being announced from the RIPE address blocks: 39435
Unique aggregates announced from the RIPE address blocks: 26244
RIPE Region origin ASes present in the Internet Routing Table: 8904
RIPE Region origin ASes announcing only one prefix: 4687
RIPE Region transit ASes present in the Internet Routing Table: 1427
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 281315716
Equivalent to 16 /8s, 196 /16s and 137 /24s
Percentage of available RIPE address space announced: 76.2
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
40960-43007
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: 13340
Total LACNIC prefixes after maximum aggregation: 3986
Prefixes being announced from the LACNIC address blocks: 11392
Unique aggregates announced from the LACNIC address blocks: 6979
LACNIC Region origin ASes present in the Internet Routing Table: 752
LACNIC Region origin ASes announcing only one prefix: 247
LACNIC Region transit ASes present in the Internet Routing Table: 135
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 35412736
Equivalent to 2 /8s, 28 /16s and 91 /24s
Percentage of available LACNIC address space announced: 52.8
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: 2505
Total AfriNIC prefixes after maximum aggregation: 945
Prefixes being announced from the AfriNIC address blocks: 1747
Unique aggregates announced from the AfriNIC address blocks: 1121
AfriNIC Region origin ASes present in the Internet Routing Table: 169
AfriNIC Region origin ASes announcing only one prefix: 50
AfriNIC Region transit ASes present in the Internet Routing Table: 29
Average AfriNIC Region AS path length visible: 3.6
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 4785664
Equivalent to 0 /8s, 73 /16s and 6 /24s
Percentage of available AfriNIC address space announced: 14.3
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 1242 8590 250 CHINANET-BACKBONE
4755 1048 384 69 Videsh Sanchar Nigam Ltd. Aut
9583 1027 87 274 Sify Limited
9498 895 212 65 BHARTI BT INTERNET LTD.
23577 771 34 702 KRNIC
4766 747 4946 307 Korea Telecom (KIX)
1221 577 1698 444 Telstra Pty Ltd
17488 556 35 20 Hathway IP Over Cable Interne
7545 553 126 74 TPG Internet Pty Ltd
17676 503 10935 66 Softbank BB Corp.
18101 488 87 23 Reliance Infocom Ltd Internet
9443 442 111 74 Primus Telecommunications
9942 436 81 130 COMindico Australia
4812 431 753 65 China Telecom (Shanghai)
17849 411 36 126 Telecommunications Technology
4802 405 86 146 Wantree Development
17557 370 36 178 Pakistan Telecom
17974 364 129 12 PT TELEKOMUNIKASI INDONESIA
2907 332 1749 309 SINET Japan
4837 327 3844 143 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1539 6190 999 AT&T WorldNet Services
2386 1111 587 737 AT&T Data Communications Serv
4323 1056 804 298 Time Warner Telecom
6197 1020 638 505 BellSouth Network Solutions,
18566 983 272 8 Covad Communications
174 972 6827 885 Cogent Communications
701 943 6691 759 UUNET Technologies, Inc.
11492 839 98 12 Cable One
1239 829 2730 579 Sprint
721 795 21885 294 DLA Systems Automation Center
19262 788 2480 182 Verizon Global Networks
20115 766 666 404 Charter Communications
209 712 3763 562 Qwest
22773 712 1744 41 Cox Communications, Inc.
7011 694 211 431 Citizens Utilities
852 602 1091 390 Telus Advanced Communications
19916 567 48 57 OLM LLC
6198 550 535 257 BellSouth Network Solutions,
5668 545 161 19 CenturyTel Internet Holdings,
855 538 250 73 Canadian Research Network
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 545 1912 424 UUNET - Commercial IP service
3301 309 1199 293 TeliaNet Sweden
3320 296 4992 244 Deutsche Telekom AG
24863 293 44 26 LINKdotNET AS number
8220 273 474 263 COLT Telecommunications
6746 262 93 240 Dynamic Network Technologies,
680 252 2041 248 DFN-IP service G-WiN
9116 231 134 23 Goldenlines main autonomous s
3215 230 2104 96 France Telecom Transpac
8708 223 281 211 Romania Data Systems S.A.
1257 218 1069 171 SWIPnet Swedish IP Network
30890 210 19 88 SC Kappa Invexim SRL
3269 208 2357 75 TELECOM ITALIA
5416 204 13 13 BATELCO-BH
3246 202 353 192 Song Networks
8551 199 197 24 Bezeq International
3300 178 171 96 AUCS Communications Services
3352 174 1751 30 Ibernet, Internet Access Netw
786 172 1795 172 The JANET IP Service
6830 172 695 38 UPC Distribution Services
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 774 1936 205 UniNet S.A. de C.V.
11830 484 299 19 Instituto Costarricense de El
11172 385 104 74 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
22047 307 206 11 VTR PUNTO NET S.A.
6471 258 74 31 ENTEL CHILE S.A.
14117 254 16 13 Telefonica del Sur S.A.
7303 227 102 35 Telecom Argentina Stet-France
6503 217 170 94 AVANTEL, S.A.
6147 207 150 20 Telefonica Del Peru
11556 204 101 6 Cable-Wireless Panama
10481 181 72 8 Prima S.A.
21826 153 20 37 INTERCABLE
23216 146 19 43 RAMtelecom Telecomunicaciones
7910 144 10 31 ANDINET ON LINE
19169 139 9 22 Telconet
19429 138 84 34 E.T.B.
14522 129 20 9 SatNet S.A.
18822 129 8 10 TELEFONICA MANQUEHUE
7738 116 442 21 Telecomunicacoes da Bahia S.A
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 289 868 231 The Internet Solution
8452 224 60 7 TEDATA
15475 148 84 4 Nile Online
6713 144 135 11 Itissalat Al-MAGHRIB
2018 133 297 111 Tertiary Education Network
5536 123 8 15 Internet Egypt Network
24835 116 48 6 RAYA Telecom - Egypt
33783 109 6 4 EEPAD TISP TELECOM & INTERNET
2905 84 175 73 The Internetworking Company o
2561 57 6 2 Egyptian Universities Network
15706 55 12 4 Sudatel Internet Exchange Aut
23889 50 13 18 MAURITIUS TELECOM
5713 41 294 34 Telkom SA Ltd
12455 39 6 3 Jambonet Autonomous system
33774 38 12 22 AS Number for Telecom Algeria
16637 33 21 25 Johnnic e-Ventures
8524 30 2 6 AUCEGYPT Autonomous System
15804 27 2 1 AS of The Way Out Internet So
10798 23 1 14 Standard Bank of South Africa
21280 23 4 4 Swift Global Kenya Ltd.Is an
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1242 992 CHINANET-BACKBONE
4755 1048 979 Videsh Sanchar Nigam Ltd. Aut
18566 983 975 Covad Communications
9498 895 830 BHARTI BT INTERNET LTD.
11492 839 827 Cable One
4323 1056 758 Time Warner Telecom
9583 1027 753 Sify Limited
22773 712 671 Cox Communications, Inc.
19262 788 606 Verizon Global Networks
8151 774 569 UniNet S.A. de C.V.
17488 556 536 Hathway IP Over Cable Interne
5668 545 526 CenturyTel Internet Holdings,
6197 1020 515 BellSouth Network Solutions,
19916 567 510 OLM LLC
721 795 501 DLA Systems Automation Center
7545 553 479 TPG Internet Pty Ltd
855 538 465 Canadian Research Network
18101 488 465 Reliance Infocom Ltd Internet
11830 484 465 Instituto Costarricense de El
15270 494 460 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
192.0.10.0/24 9498 BHARTI BT INTERNET LTD.
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
192.172.0.0/19 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:10 /10:13 /11:30 /12:113
/13:227 /14:405 /15:798 /16:9088 /17:3634 /18:5870
/19:12764 /20:14395 /21:12852 /22:16336 /23:17838 /24:109989
/25:622 /26:465 /27:361 /28:74 /29:44 /30:88
/31:0 /32:23
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 966 983 Covad Communications
9583 861 1027 Sify Limited
2386 828 1111 AT&T Data Communications Serv
7018 825 1539 AT&T WorldNet Services
11492 825 839 Cable One
6197 796 1020 BellSouth Network Solutions,
23577 757 771 KRNIC
7011 599 694 Citizens Utilities
19916 562 567 OLM LLC
4766 556 747 Korea Telecom (KIX)
9498 549 895 BHARTI BT INTERNET LTD.
4755 470 1048 Videsh Sanchar Nigam Ltd. Aut
15270 464 494 PaeTec.net -a division of Pae
855 435 538 Canadian Research Network
18101 422 488 Reliance Infocom Ltd Internet
5668 419 545 CenturyTel Internet Holdings,
1239 409 829 Sprint
17849 397 411 Telecommunications Technology
33588 392 415 Bresnan Communications, LLC.
6198 388 550 BellSouth Network Solutions,
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:61 9:1 12:1654 13:1 15:15
16:3 17:3 18:5 20:34 24:840 25:1
32:55 38:270 40:57 41:50 44:2 47:10
52:4 53:1 55:1 56:3 57:25 58:269
59:352 60:223 61:960 62:1058 63:1890 64:3196
65:2296 66:3126 67:686 68:656 69:1710 70:403
71:113 72:1050 74:116 75:49 76:13 80:815
81:781 82:641 83:400 84:485 85:755 86:414
87:433 88:260 89:676 90:2 91:97 97:1
121:84 122:42 123:3 124:478 125:729 128:308
129:219 130:131 131:318 132:48 133:9 134:177
135:42 136:180 137:114 138:188 139:49 140:525
141:135 142:346 143:210 144:256 145:67 146:323
147:140 148:368 149:172 150:110 151:118 152:88
153:117 154:5 155:247 156:148 157:150 158:167
159:141 160:99 161:87 162:225 163:159 164:238
165:237 166:243 167:279 168:478 169:123 170:387
171:12 172:1 189:29 190:292 192:5734 193:3618
194:2848 195:2169 196:913 198:3786 199:3284 200:4574
201:944 202:7037 203:7237 204:3959 205:2088 206:2423
207:2904 208:2352 209:3571 210:2230 211:878 212:1344
213:1476 214:388 215:39 216:4100 217:1157 218:336
219:260 220:826 221:385 222:257
End of report
Report Website: http://thyme.apnic.net
