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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Wed 02 Aug, 2006
Analysis Summary
----------------
BGP routing table entries examined: 193727
Prefixes after maximum aggregation: 106557
Unique aggregates announced to Internet: 94710
Total ASes present in the Internet Routing Table: 22779
Origin-only ASes present in the Internet Routing Table: 19826
Origin ASes announcing only one prefix: 9498
Transit ASes present in the Internet Routing Table: 2953
Transit-only ASes present in the Internet Routing Table: 66
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: 23
Unregistered ASNs in the Routing Table: 4
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 8
Number of addresses announced to Internet: 1559824812
Equivalent to 92 /8s, 249 /16s and 9 /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: 96014
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 42327
Total APNIC prefixes after maximum aggregation: 17453
Prefixes being announced from the APNIC address blocks: 40028
Unique aggregates announced from the APNIC address blocks: 18710
APNIC Region origin ASes present in the Internet Routing Table: 2659
APNIC Region origin ASes announcing only one prefix: 751
APNIC Region transit ASes present in the Internet Routing Table: 393
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 243842912
Equivalent to 14 /8s, 136 /16s and 191 /24s
Percentage of available APNIC address space announced: 76.2
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: 98184
Total ARIN prefixes after maximum aggregation: 58426
Prefixes being announced from the ARIN address blocks: 71981
Unique aggregates announced from the ARIN address blocks: 27121
ARIN Region origin ASes present in the Internet Routing Table: 10851
ARIN Region origin ASes announcing only one prefix: 4092
ARIN Region transit ASes present in the Internet Routing Table: 1007
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 298398720
Equivalent to 17 /8s, 201 /16s and 52 /24s
Percentage of available ARIN address space announced: 77.3
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: 38851
Total RIPE prefixes after maximum aggregation: 26042
Prefixes being announced from the RIPE address blocks: 35886
Unique aggregates announced from the RIPE address blocks: 24191
RIPE Region origin ASes present in the Internet Routing Table: 8329
RIPE Region origin ASes announcing only one prefix: 4373
RIPE Region transit ASes present in the Internet Routing Table: 1366
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 261175620
Equivalent to 15 /8s, 145 /16s and 57 /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: 12053
Total LACNIC prefixes after maximum aggregation: 3731
Prefixes being announced from the LACNIC address blocks: 10135
Unique aggregates announced from the LACNIC address blocks: 5778
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: 131
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 31421696
Equivalent to 1 /8s, 223 /16s and 117 /24s
Percentage of available LACNIC address space announced: 46.8
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: 2289
Total AfriNIC prefixes after maximum aggregation: 905
Prefixes being announced from the AfriNIC address blocks: 1549
Unique aggregates announced from the AfriNIC address blocks: 972
AfriNIC Region origin ASes present in the Internet Routing Table: 159
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: 14
Number of AfriNIC addresses announced to Internet: 4201472
Equivalent to 0 /8s, 64 /16s and 28 /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 7918 239 CHINANET-BACKBONE
4755 953 255 69 Videsh Sanchar Nigam Ltd. Aut
9583 926 109 15 Sify Limited
9498 758 211 70 BHARTI BT INTERNET LTD.
4766 699 4435 302 Korea Telecom (KIX)
1221 608 1779 466 Telstra Pty Ltd
7545 551 124 72 TPG Internet Pty Ltd
17488 520 32 18 Hathway IP Over Cable Interne
17676 489 7077 109 Softbank BB Corp.
9443 449 111 83 Primus Telecommunications
18101 429 85 22 Reliance Infocom Ltd Internet
4812 415 740 61 China Telecom (Shanghai)
17849 410 30 122 Telecommunications Technology
17557 381 30 176 Pakistan Telecom
4802 378 81 167 Wantree Development
17974 369 129 14 PT TELEKOMUNIKASI INDONESIA
2907 336 1733 311 SINET Japan
4837 301 3443 138 chinanet IDC center beijing n
7474 294 211 228 SingTel Optus Pty Ltd
10139 282 23 6 Meridian Telekoms
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1481 6247 957 AT&T WorldNet Services
6197 1016 635 477 BellSouth Network Solutions,
721 1008 21910 311 DLA Systems Automation Center
701 966 6770 791 UUNET Technologies, Inc.
4323 963 746 272 Time Warner Telecom
18566 950 272 8 Covad Communications
174 937 5769 886 Cogent Communications
2386 913 559 704 AT&T Data Communications Serv
1239 859 2783 605 Sprint
19262 728 2228 187 Verizon Global Networks
11492 719 89 15 Cable One
20115 717 623 383 Charter Communications
209 697 3663 547 Qwest
22773 681 1741 41 Cox Communications, Inc.
7011 651 218 414 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 545 147 23 CenturyTel Internet Holdings,
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 561 1932 441 UUNET - Commercial IP service
3301 316 1187 301 TeliaNet Sweden
3320 292 5013 238 Deutsche Telekom AG
8220 281 471 267 COLT Telecommunications
680 246 2041 243 DFN-IP service G-WiN
6746 240 90 218 Dynamic Network Technologies,
24863 237 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
30890 202 19 82 SC Kappa Invexim SRL
1257 195 742 167 SWIPnet Swedish IP Network
8551 193 182 28 Bezeq International
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
786 169 1778 169 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 774 1803 229 UniNet S.A. de C.V.
22047 432 206 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 28 ENTEL CHILE S.A.
14117 217 13 7 Telefonica del Sur S.A.
6503 182 151 83 AVANTEL, S.A.
7303 181 84 29 Telecom Argentina Stet-France
10481 181 72 8 Prima S.A.
21826 133 17 22 INTERCABLE
11556 132 80 4 Cable-Wireless Panama
19429 131 84 45 E.T.B.
19169 128 8 25 Telconet
14522 123 18 9 SatNet S.A.
7910 116 7 18 ANDINET ON LINE
14259 113 10 15 GTD Internet S.A.
23216 113 21 9 RAMtelecom Telecomunicaciones
7738 111 410 20 Telecomunicacoes da Bahia S.A
6505 109 88 79 Global One Communicaoes Ltda
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 135 314 105 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 78 159 69 The Internetworking Company o
20928 59 16 3 Noor Advanced Technologies AS
15706 44 8 3 Sudatel Internet Exchange Aut
5713 39 294 35 Telkom SA Ltd
33774 30 7 21 AS Number for Telecom Algeria
16637 25 18 23 Johnnic e-Ventures
23889 24 8 11 MAURITIUS TELECOM
10798 23 1 14 Standard Bank of South Africa
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
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1289 1050 CHINANET-BACKBONE
18566 950 942 Covad Communications
9583 926 911 Sify Limited
4755 953 884 Videsh Sanchar Nigam Ltd. Aut
11492 719 704 Cable One
721 1008 697 DLA Systems Automation Center
4323 963 691 Time Warner Telecom
9498 758 688 BHARTI BT INTERNET LTD.
22773 681 640 Cox Communications, Inc.
8151 774 545 UniNet S.A. de C.V.
19262 728 541 Verizon Global Networks
6197 1016 539 BellSouth Network Solutions,
5668 545 522 CenturyTel Internet Holdings,
19916 563 509 OLM LLC
17488 520 502 Hathway IP Over Cable Interne
855 567 493 Canadian Research Network
7545 551 479 TPG Internet Pty Ltd
22047 432 421 VTR PUNTO NET S.A.
15270 453 420 PaeTec.net -a division of Pae
3602 521 416 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
65000 PRIVATE 193.109.15.0/24 12690 MKS Autonomous Syste
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
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 /16:8934 /17:3390 /18:5514
/19:12012 /20:13567 /21:11841 /22:15004 /23:16203 /24:104697
/25:378 /26:296 /27:188 /28:65 /29:38 /30:81
/31:0 /32:46
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 933 950 Covad Communications
6197 796 1016 BellSouth Network Solutions,
7018 784 1481 AT&T WorldNet Services
9583 757 926 Sify Limited
11492 707 719 Cable One
2386 631 913 AT&T Data Communications Serv
7011 559 651 Citizens Utilities
19916 557 563 OLM LLC
4766 510 699 Korea Telecom (KIX)
855 441 567 Canadian Research Network
6198 441 598 BellSouth Network Solutions,
9498 441 758 BHARTI BT INTERNET LTD.
5668 427 545 CenturyTel Internet Holdings,
15270 422 453 PaeTec.net -a division of Pae
1239 403 859 Sprint
17849 397 410 Telecommunications Technology
4755 396 953 Videsh Sanchar Nigam Ltd. Aut
6517 380 413 Yipes Communications, Inc.
18101 365 429 Reliance Infocom Ltd Internet
22773 360 681 Cox Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:48 12:1594 13:1 15:15 16:3
17:3 18:4 20:41 24:806 25:1 32:58
38:240 40:53 41:9 44:3 45:17 47:6
52:4 55:1 56:3 57:26 58:204 59:247
60:179 61:919 62:813 63:1886 64:3083 65:2250
66:2976 67:626 68:678 69:1568 70:393 71:86
72:834 74:62 75:1 80:751 81:679 82:634
83:384 84:394 85:565 86:402 87:452 88:142
89:384 91:1 121:13 122:3 123:1 124:341
125:572 128:148 129:188 130:118 131:317 132:34
133:8 134:160 135:49 136:174 137:85 138:211
139:46 140:489 141:136 142:374 143:187 144:239
145:40 146:318 147:140 148:351 149:187 150:114
151:98 152:71 153:117 154:5 155:212 156:179
157:138 158:167 159:173 160:91 161:77 162:246
163:164 164:238 165:223 166:182 167:244 168:484
169:125 170:353 171:14 190:96 192:5735 193:3390
194:2684 195:1999 196:864 198:3899 199:3293 200:4633
201:1029 202:6781 203:7051 204:3888 205:2030 206:2427
207:2932 208:2216 209:3423 210:2158 211:822 212:1241
213:1433 214:360 215:41 216:4033 217:1181 218:316
219:244 220:742 221:360 222:214
End of report
