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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Sun 06 Aug, 2006
Analysis Summary
----------------
BGP routing table entries examined: 194185
Prefixes after maximum aggregation: 106721
Unique aggregates announced to Internet: 94951
Total ASes present in the Internet Routing Table: 22789
Origin-only ASes present in the Internet Routing Table: 19832
Origin ASes announcing only one prefix: 9494
Transit ASes present in the Internet Routing Table: 2957
Transit-only ASes present in the Internet Routing Table: 69
Average AS path length visible in the Internet Routing Table: 3.5
Max AS path length visible: 24
Max AS path prepend of ASN (24076) 20
Prefixes from unregistered ASNs in the Routing Table: 22
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: 1561026476
Equivalent to 93 /8s, 11 /16s and 95 /24s
Percentage of available address space announced: 42.1
Percentage of allocated address space announced: 60.9
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 96353
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 42464
Total APNIC prefixes after maximum aggregation: 17476
Prefixes being announced from the APNIC address blocks: 40158
Unique aggregates announced from the APNIC address blocks: 18693
APNIC Region origin ASes present in the Internet Routing Table: 2663
APNIC Region origin ASes announcing only one prefix: 752
APNIC Region transit ASes present in the Internet Routing Table: 396
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 244163424
Equivalent to 14 /8s, 141 /16s and 163 /24s
Percentage of available APNIC address space announced: 76.3
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: 98401
Total ARIN prefixes after maximum aggregation: 58513
Prefixes being announced from the ARIN address blocks: 72204
Unique aggregates announced from the ARIN address blocks: 27244
ARIN Region origin ASes present in the Internet Routing Table: 10854
ARIN Region origin ASes announcing only one prefix: 4087
ARIN Region transit ASes present in the Internet Routing Table: 1011
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 298952192
Equivalent to 17 /8s, 209 /16s and 166 /24s
Percentage of available ARIN address space announced: 77.5
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: 38935
Total RIPE prefixes after maximum aggregation: 26085
Prefixes being announced from the RIPE address blocks: 35915
Unique aggregates announced from the RIPE address blocks: 24251
RIPE Region origin ASes present in the Internet Routing Table: 8328
RIPE Region origin ASes announcing only one prefix: 4373
RIPE Region transit ASes present in the Internet Routing Table: 1367
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 261172804
Equivalent to 15 /8s, 145 /16s and 46 /24s
Percentage of available RIPE address space announced: 81.9
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, 80/5, 88/6, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 12127
Total LACNIC prefixes after maximum aggregation: 3733
Prefixes being announced from the LACNIC address blocks: 10215
Unique aggregates announced from the LACNIC address blocks: 5861
LACNIC Region origin ASes present in the Internet Routing Table: 715
LACNIC Region origin ASes announcing only one prefix: 238
LACNIC Region transit ASes present in the Internet Routing Table: 130
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 31804672
Equivalent to 1 /8s, 229 /16s and 77 /24s
Percentage of available LACNIC address space announced: 47.4
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: 2236
Total AfriNIC prefixes after maximum aggregation: 914
Prefixes being announced from the AfriNIC address blocks: 1546
Unique aggregates announced from the AfriNIC address blocks: 967
AfriNIC Region origin ASes present in the Internet Routing Table: 160
AfriNIC Region origin ASes announcing only one prefix: 44
AfriNIC Region transit ASes present in the Internet Routing Table: 24
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 4199936
Equivalent to 0 /8s, 64 /16s and 22 /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 1289 7914 239 CHINANET-BACKBONE
4755 965 255 69 Videsh Sanchar Nigam Ltd. Aut
9583 943 109 15 Sify Limited
9498 761 211 70 BHARTI BT INTERNET LTD.
4766 700 4435 303 Korea Telecom (KIX)
1221 608 1779 465 Telstra Pty Ltd
7545 552 124 72 TPG Internet Pty Ltd
17488 522 32 18 Hathway IP Over Cable Interne
17676 490 7093 110 Softbank BB Corp.
9443 449 111 83 Primus Telecommunications
18101 434 85 22 Reliance Infocom Ltd Internet
4812 415 740 61 China Telecom (Shanghai)
17849 410 30 122 Telecommunications Technology
17557 379 30 176 Pakistan Telecom
4802 378 81 167 Wantree Development
17974 368 129 14 PT TELEKOMUNIKASI INDONESIA
2907 336 1733 311 SINET Japan
4837 304 3458 135 chinanet IDC center beijing n
7474 294 211 228 SingTel Optus Pty Ltd
9800 272 409 54 CHINA UNICOM
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1499 6259 962 AT&T WorldNet Services
6197 1018 635 477 BellSouth Network Solutions,
721 1007 21926 312 DLA Systems Automation Center
4323 965 747 275 Time Warner Telecom
701 958 6769 784 UUNET Technologies, Inc.
18566 953 272 8 Covad Communications
174 935 5769 884 Cogent Communications
2386 918 559 706 AT&T Data Communications Serv
1239 853 2783 604 Sprint
19262 728 2228 187 Verizon Global Networks
20115 726 651 380 Charter Communications
11492 722 89 15 Cable One
209 693 3660 541 Qwest
22773 682 1741 41 Cox Communications, Inc.
7011 669 222 426 Citizens Utilities
6198 598 556 237 BellSouth Network Solutions,
852 581 1068 381 Telus Advanced Communications
855 567 247 74 Canadian Research Network
19916 563 49 54 OLM LLC
5668 538 147 23 CenturyTel Internet Holdings,
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 562 1948 442 UUNET - Commercial IP service
3301 316 1187 301 TeliaNet Sweden
3320 294 5013 238 Deutsche Telekom AG
8220 280 471 266 COLT Telecommunications
680 246 2041 243 DFN-IP service G-WiN
6746 243 91 221 Dynamic Network Technologies,
24863 239 42 11 LINKdotNET AS number
3246 230 462 220 Song Networks
8708 215 278 203 Romania Data Systems S.A.
3215 204 1760 97 France Telecom Transpac
3269 203 2246 73 TELECOM ITALIA
8551 202 182 27 Bezeq International
30890 202 19 85 SC Kappa Invexim SRL
1257 195 742 167 SWIPnet Swedish IP Network
8866 188 37 15 Bulgarian Telecommunication C
5416 179 12 11 BATELCO-BH
6830 177 813 37 UPC Distribution Services
3300 171 171 98 AUCS Communications Services
786 170 1762 170 The JANET IP Service
9121 167 931 31 TTnet Autonomous System
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 787 1811 229 UniNet S.A. de C.V.
22047 433 206 11 VTR PUNTO NET S.A.
11172 360 113 86 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
6147 273 134 22 Telefonica Del Peru
6471 254 74 30 ENTEL CHILE S.A.
14117 217 13 7 Telefonica del Sur S.A.
6503 182 151 83 AVANTEL, S.A.
7303 182 85 29 Telecom Argentina Stet-France
10481 181 72 8 Prima S.A.
21826 134 17 23 INTERCABLE
11556 132 80 4 Cable-Wireless Panama
19429 131 84 45 E.T.B.
18822 129 8 10 TELEFONICA MANQUEHUE
19169 128 8 25 Telconet
7910 125 8 22 ANDINET ON LINE
14522 123 18 9 SatNet S.A.
14259 119 10 15 GTD Internet S.A.
23216 113 21 9 RAMtelecom Telecomunicaciones
7738 111 410 20 Telecomunicacoes da Bahia S.A
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 284 803 231 The Internet Solution
8452 170 60 7 TEDATA
6713 144 135 11 Itissalat Al-MAGHRIB
2018 134 298 111 Tertiary Education Network
15475 131 84 4 Nile Online
5536 121 8 18 Internet Egypt Network
24835 116 48 6 RAYA Telecom - Egypt
33783 106 6 2 EEPAD TISP TELECOM & INTERNET
2905 79 159 70 The Internetworking Company o
15706 44 8 3 Sudatel Internet Exchange Aut
5713 39 294 35 Telkom SA Ltd
33774 30 7 21 AS Number for Telecom Algeria
23889 24 8 11 MAURITIUS TELECOM
10798 23 1 14 Standard Bank of South Africa
16637 23 18 21 Johnnic e-Ventures
8524 22 1 5 AUCEGYPT Autonomous System
21280 21 4 4 Swift Global Kenya Ltd.Is an
33766 21 2 1 Nyala Communications Pty Ltd
21491 20 17 2 UTL On-line is RF broadband I
2561 19 6 2 Egyptian Universities Network
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1289 1050 CHINANET-BACKBONE
18566 953 945 Covad Communications
9583 943 928 Sify Limited
4755 965 896 Videsh Sanchar Nigam Ltd. Aut
11492 722 707 Cable One
721 1007 695 DLA Systems Automation Center
9498 761 691 BHARTI BT INTERNET LTD.
4323 965 690 Time Warner Telecom
22773 682 641 Cox Communications, Inc.
8151 787 558 UniNet S.A. de C.V.
6197 1018 541 BellSouth Network Solutions,
19262 728 541 Verizon Global Networks
5668 538 515 CenturyTel Internet Holdings,
19916 563 509 OLM LLC
17488 522 504 Hathway IP Over Cable Interne
855 567 493 Canadian Research Network
7545 552 480 TPG Internet Pty Ltd
15270 455 422 PaeTec.net -a division of Pae
22047 433 422 VTR PUNTO NET S.A.
3602 524 419 Sprint Canada, Inc.
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65350 PRIVATE 124.236.240.0/20 17672 asn for Hebei Provin
65128 PRIVATE 193.110.50.0/24 24652 Juniper Networks, Eu
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
65350 PRIVATE 219.148.0.0/22 17672 asn for Hebei Provin
65350 PRIVATE 219.148.4.0/23 17672 asn for Hebei Provin
65350 PRIVATE 219.148.8.0/21 17672 asn for Hebei Provin
65350 PRIVATE 219.148.24.0/21 17672 asn for Hebei Provin
65350 PRIVATE 219.148.32.0/19 17672 asn for Hebei Provin
65350 PRIVATE 222.222.0.0/21 17672 asn for Hebei Provin
65350 PRIVATE 222.222.8.0/21 17672 asn for Hebei Provin
65350 PRIVATE 222.222.16.0/20 17672 asn for Hebei Provin
65350 PRIVATE 222.222.32.0/20 17672 asn for Hebei Provin
65350 PRIVATE 222.222.48.0/20 17672 asn for Hebei Provin
65350 PRIVATE 222.222.208.0/21 17672 asn for Hebei Provin
65350 PRIVATE 222.222.216.0/21 17672 asn for Hebei Provin
65350 PRIVATE 222.223.187.0/24 17672 asn for Hebei Provin
65350 PRIVATE 222.223.188.0/22 17672 asn for Hebei Provin
65350 PRIVATE 222.223.192.0/22 17672 asn for Hebei Provin
65350 PRIVATE 222.223.196.0/23 17672 asn for Hebei Provin
65350 PRIVATE 222.223.200.0/22 17672 asn for Hebei Provin
65350 PRIVATE 222.223.206.0/23 17672 asn for Hebei Provin
65350 PRIVATE 222.223.224.0/19 17672 asn for Hebei Provin
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
198.18.1.0/24 3301 TeliaNet Sweden
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 /8:17 /9:9 /10:11 /11:28 /12:97
/13:205 /14:374 /15:732 /16:8941 /17:3400 /18:5534
/19:12024 /20:13600 /21:11885 /22:15054 /23:16257 /24:104921
/25:378 /26:294 /27:196 /28:64 /29:39 /30:79
/31:0 /32:46
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 936 953 Covad Communications
6197 798 1018 BellSouth Network Solutions,
7018 796 1499 AT&T WorldNet Services
9583 774 943 Sify Limited
11492 710 722 Cable One
2386 636 918 AT&T Data Communications Serv
7011 575 669 Citizens Utilities
19916 557 563 OLM LLC
4766 511 700 Korea Telecom (KIX)
9498 443 761 BHARTI BT INTERNET LTD.
6198 442 598 BellSouth Network Solutions,
855 441 567 Canadian Research Network
15270 424 455 PaeTec.net -a division of Pae
5668 421 538 CenturyTel Internet Holdings,
1239 401 853 Sprint
4755 400 965 Videsh Sanchar Nigam Ltd. Aut
17849 397 410 Telecommunications Technology
6517 381 414 Yipes Communications, Inc.
18101 370 434 Reliance Infocom Ltd Internet
22773 360 682 Cox Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:50 12:1606 13:1 15:15 16:3
17:3 18:4 20:41 24:807 25:1 32:60
38:240 40:53 41:10 44:3 45:9 47:6
52:4 55:1 56:3 57:26 58:204 59:246
60:191 61:921 62:830 63:1888 64:3086 65:2262
66:2974 67:627 68:678 69:1571 70:394 71:87
72:875 74:65 75:5 80:750 81:672 82:622
83:402 84:394 85:570 86:400 87:460 88:141
89:382 91:1 121:13 122:3 123:1 124:344
125:578 128:149 129:188 130:118 131:318 132:34
133:8 134:160 135:49 136:171 137:84 138:212
139:48 140:490 141:137 142:373 143:185 144:241
145:40 146:317 147:137 148:351 149:188 150:108
151:97 152:70 153:117 154:5 155:214 156:179
157:137 158:166 159:172 160:94 161:78 162:245
163:164 164:236 165:223 166:182 167:242 168:485
169:125 170:354 171:14 190:114 192:5737 193:3399
194:2693 195:2009 196:859 198:3897 199:3301 200:4646
201:1044 202:6774 203:7058 204:3902 205:2032 206:2423
207:2925 208:2211 209:3434 210:2157 211:832 212:1248
213:1427 214:362 215:41 216:4030 217:1156 218:319
219:250 220:743 221:376 222:225
End of report
Report Website: http://thyme.apnic.net
