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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Mon 14 Aug, 2006
Analysis Summary
----------------
BGP routing table entries examined: 194802
Prefixes after maximum aggregation: 106874
Unique aggregates announced to Internet: 95091
Total ASes present in the Internet Routing Table: 22836
Origin-only ASes present in the Internet Routing Table: 19874
Origin ASes announcing only one prefix: 9507
Transit ASes present in the Internet Routing Table: 2962
Transit-only ASes present in the Internet Routing Table: 68
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: 2
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1562740140
Equivalent to 93 /8s, 37 /16s and 133 /24s
Percentage of available address space announced: 42.2
Percentage of allocated address space announced: 61.0
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 96805
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 42620
Total APNIC prefixes after maximum aggregation: 17401
Prefixes being announced from the APNIC address blocks: 40312
Unique aggregates announced from the APNIC address blocks: 18672
APNIC Region origin ASes present in the Internet Routing Table: 2663
APNIC Region origin ASes announcing only one prefix: 746
APNIC Region transit ASes present in the Internet Routing Table: 399
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 244875872
Equivalent to 14 /8s, 152 /16s and 130 /24s
Percentage of available APNIC address space announced: 76.6
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: 98665
Total ARIN prefixes after maximum aggregation: 58688
Prefixes being announced from the ARIN address blocks: 72372
Unique aggregates announced from the ARIN address blocks: 27289
ARIN Region origin ASes present in the Internet Routing Table: 10885
ARIN Region origin ASes announcing only one prefix: 4100
ARIN Region transit ASes present in the Internet Routing Table: 1012
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 299180800
Equivalent to 17 /8s, 213 /16s and 35 /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: 39099
Total RIPE prefixes after maximum aggregation: 26135
Prefixes being announced from the RIPE address blocks: 36072
Unique aggregates announced from the RIPE address blocks: 24291
RIPE Region origin ASes present in the Internet Routing Table: 8346
RIPE Region origin ASes announcing only one prefix: 4376
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: 261395524
Equivalent to 15 /8s, 148 /16s and 148 /24s
Percentage of available RIPE address space announced: 82.0
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, 80/5, 88/6, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 12147
Total LACNIC prefixes after maximum aggregation: 3736
Prefixes being announced from the LACNIC address blocks: 10241
Unique aggregates announced from the LACNIC address blocks: 5885
LACNIC Region origin ASes present in the Internet Routing Table: 713
LACNIC Region origin ASes announcing only one prefix: 239
LACNIC Region transit ASes present in the Internet Routing Table: 130
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 31934976
Equivalent to 1 /8s, 231 /16s and 74 /24s
Percentage of available LACNIC address space announced: 47.6
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: 2249
Total AfriNIC prefixes after maximum aggregation: 914
Prefixes being announced from the AfriNIC address blocks: 1550
Unique aggregates announced from the AfriNIC address blocks: 976
AfriNIC Region origin ASes present in the Internet Routing Table: 161
AfriNIC Region origin ASes announcing only one prefix: 46
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: 11
Number of AfriNIC addresses announced to Internet: 4202496
Equivalent to 0 /8s, 64 /16s and 32 /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 1290 7930 240 CHINANET-BACKBONE
4755 966 255 68 Videsh Sanchar Nigam Ltd. Aut
9583 946 109 15 Sify Limited
9498 783 211 70 BHARTI BT INTERNET LTD.
4766 702 4435 303 Korea Telecom (KIX)
1221 609 1779 466 Telstra Pty Ltd
7545 550 124 72 TPG Internet Pty Ltd
17488 522 32 18 Hathway IP Over Cable Interne
17676 491 7109 111 Softbank BB Corp.
9443 450 111 83 Primus Telecommunications
18101 438 85 18 Reliance Infocom Ltd Internet
4812 412 739 59 China Telecom (Shanghai)
17849 410 30 122 Telecommunications Technology
17974 377 129 12 PT TELEKOMUNIKASI INDONESIA
4802 359 80 147 Wantree Development
17557 357 29 169 Pakistan Telecom
2907 336 1733 311 SINET Japan
4837 307 3468 132 chinanet IDC center beijing n
7474 295 211 229 SingTel Optus Pty Ltd
10139 274 23 6 Meridian Telekoms
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1477 6258 957 AT&T WorldNet Services
6197 1015 635 477 BellSouth Network Solutions,
721 1002 21942 311 DLA Systems Automation Center
4323 980 747 278 Time Warner Telecom
701 962 6781 788 UUNET Technologies, Inc.
18566 954 272 8 Covad Communications
2386 937 559 711 AT&T Data Communications Serv
174 935 5770 885 Cogent Communications
1239 843 2797 596 Sprint
20115 730 651 380 Charter Communications
19262 726 2216 185 Verizon Global Networks
11492 723 90 16 Cable One
22773 689 1744 46 Cox Communications, Inc.
209 688 3661 542 Qwest
7011 676 221 431 Citizens Utilities
6198 595 554 236 BellSouth Network Solutions,
852 582 1068 382 Telus Advanced Communications
855 568 247 74 Canadian Research Network
19916 563 49 54 OLM LLC
5668 540 147 19 CenturyTel Internet Holdings,
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 560 1947 441 UUNET - Commercial IP service
3301 315 1186 300 TeliaNet Sweden
3320 295 5013 239 Deutsche Telekom AG
8220 280 471 266 COLT Telecommunications
24863 252 42 11 LINKdotNET AS number
680 247 2041 244 DFN-IP service G-WiN
6746 244 91 222 Dynamic Network Technologies,
3246 231 462 221 Song Networks
8708 215 278 203 Romania Data Systems S.A.
3215 204 1760 97 France Telecom Transpac
8551 202 182 27 Bezeq International
3269 201 2246 72 TELECOM ITALIA
30890 200 18 83 SC Kappa Invexim SRL
1257 195 742 167 SWIPnet Swedish IP Network
6830 195 879 43 UPC Distribution Services
8866 182 37 15 Bulgarian Telecommunication C
5416 180 12 11 BATELCO-BH
786 171 1778 171 The JANET IP Service
3300 170 171 97 AUCS Communications Services
9121 168 931 31 TTnet Autonomous System
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 782 1811 225 UniNet S.A. de C.V.
22047 458 206 11 VTR PUNTO NET S.A.
11172 359 112 86 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
6147 273 134 22 Telefonica Del Peru
6471 255 74 30 ENTEL CHILE S.A.
14117 217 13 7 Telefonica del Sur S.A.
7303 182 85 29 Telecom Argentina Stet-France
10481 181 72 8 Prima S.A.
6503 180 151 81 AVANTEL, S.A.
7910 136 9 22 ANDINET ON LINE
21826 134 17 23 INTERCABLE
11556 132 80 4 Cable-Wireless Panama
18822 129 8 10 TELEFONICA MANQUEHUE
19169 128 8 25 Telconet
19429 123 80 40 E.T.B.
14522 121 18 9 SatNet S.A.
7738 114 410 20 Telecomunicacoes da Bahia S.A
23216 113 21 9 RAMtelecom Telecomunicaciones
14259 112 10 15 GTD Internet 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 169 60 7 TEDATA
6713 144 135 11 Itissalat Al-MAGHRIB
15475 140 84 4 Nile Online
2018 134 298 111 Tertiary Education Network
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 38 294 34 Telkom SA Ltd
33774 31 7 21 AS Number for Telecom Algeria
23889 25 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 1290 1050 CHINANET-BACKBONE
18566 954 946 Covad Communications
9583 946 931 Sify Limited
4755 966 898 Videsh Sanchar Nigam Ltd. Aut
9498 783 713 BHARTI BT INTERNET LTD.
11492 723 707 Cable One
4323 980 702 Time Warner Telecom
721 1002 691 DLA Systems Automation Center
22773 689 643 Cox Communications, Inc.
8151 782 557 UniNet S.A. de C.V.
19262 726 541 Verizon Global Networks
6197 1015 538 BellSouth Network Solutions,
5668 540 521 CenturyTel Internet Holdings,
19916 563 509 OLM LLC
17488 522 504 Hathway IP Over Cable Interne
855 568 494 Canadian Research Network
7545 550 478 TPG Internet Pty Ltd
22047 458 447 VTR PUNTO NET S.A.
15270 455 422 PaeTec.net -a division of Pae
3602 526 421 Sprint Canada, Inc.
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65350 PRIVATE 124.236.0.0/19 17672 asn for Hebei Provin
65350 PRIVATE 124.236.240.0/20 17672 asn for Hebei Provin
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
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 /14:375 /15:733 /16:8949 /17:3411 /18:5570
/19:12091 /20:13649 /21:11963 /22:15122 /23:16324 /24:105057
/25:387 /26:384 /27:196 /28:66 /29:39 /30:80
/31:0 /32:39
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 937 954 Covad Communications
6197 796 1015 BellSouth Network Solutions,
7018 777 1477 AT&T WorldNet Services
9583 777 946 Sify Limited
11492 711 723 Cable One
2386 655 937 AT&T Data Communications Serv
7011 582 676 Citizens Utilities
19916 557 563 OLM LLC
4766 513 702 Korea Telecom (KIX)
9498 464 783 BHARTI BT INTERNET LTD.
855 442 568 Canadian Research Network
6198 441 595 BellSouth Network Solutions,
15270 424 455 PaeTec.net -a division of Pae
5668 421 540 CenturyTel Internet Holdings,
4755 402 966 Videsh Sanchar Nigam Ltd. Aut
1239 399 843 Sprint
17849 397 410 Telecommunications Technology
6517 377 411 Yipes Communications, Inc.
18101 371 438 Reliance Infocom Ltd Internet
22773 364 689 Cox Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:50 9:1 12:1615 13:1 15:15
16:3 17:3 18:4 20:41 24:810 25:1
32:61 38:241 40:52 41:9 44:3 45:12
47:6 52:4 55:1 56:3 57:26 58:211
59:248 60:182 61:934 62:834 63:1888 64:3043
65:2257 66:2991 67:638 68:673 69:1562 70:391
71:87 72:872 74:71 75:5 80:754 81:670
82:644 83:399 84:393 85:574 86:383 87:457
88:154 89:378 91:1 121:13 122:3 123:1
124:340 125:595 128:150 129:198 130:118 131:312
132:34 133:8 134:164 135:48 136:178 137:85
138:213 139:48 140:491 141:135 142:374 143:189
144:240 145:40 146:318 147:140 148:351 149:187
150:114 151:97 152:71 153:117 154:5 155:214
156:179 157:169 158:167 159:172 160:94 161:83
162:217 163:164 164:236 165:224 166:182 167:242
168:487 169:125 170:351 171:14 190:126 192:5737
193:3405 194:2700 195:2024 196:857 198:3895 199:3299
200:4632 201:1037 202:6773 203:7045 204:3896 205:2017
206:2421 207:2930 208:2226 209:3448 210:2179 211:836
212:1259 213:1438 214:367 215:41 216:4026 217:1159
218:324 219:247 220:744 221:379 222:228
End of report
Report Website: http://thyme.apnic.net
