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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Sun 20 Aug, 2006
Analysis Summary
----------------
BGP routing table entries examined: 195364
Prefixes after maximum aggregation: 107072
Unique aggregates announced to Internet: 95319
Total ASes present in the Internet Routing Table: 22891
Origin-only ASes present in the Internet Routing Table: 19909
Origin ASes announcing only one prefix: 9545
Transit ASes present in the Internet Routing Table: 2982
Transit-only ASes present in the Internet Routing Table: 68
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: 25
Unregistered ASNs in the Routing Table: 4
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1574399148
Equivalent to 93 /8s, 215 /16s and 108 /24s
Percentage of available address space announced: 42.5
Percentage of allocated address space announced: 61.4
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 97148
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 42785
Total APNIC prefixes after maximum aggregation: 17443
Prefixes being announced from the APNIC address blocks: 40472
Unique aggregates announced from the APNIC address blocks: 18696
APNIC Region origin ASes present in the Internet Routing Table: 2674
APNIC Region origin ASes announcing only one prefix: 757
APNIC Region transit ASes present in the Internet Routing Table: 397
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 260534368
Equivalent to 15 /8s, 135 /16s and 112 /24s
Percentage of available APNIC address space announced: 81.5
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: 98783
Total ARIN prefixes after maximum aggregation: 58719
Prefixes being announced from the ARIN address blocks: 72600
Unique aggregates announced from the ARIN address blocks: 27364
ARIN Region origin ASes present in the Internet Routing Table: 10901
ARIN Region origin ASes announcing only one prefix: 4117
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: 295445248
Equivalent to 17 /8s, 156 /16s and 35 /24s
Percentage of available ARIN address space announced: 76.6
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, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 39259
Total RIPE prefixes after maximum aggregation: 26256
Prefixes being announced from the RIPE address blocks: 36201
Unique aggregates announced from the RIPE address blocks: 24417
RIPE Region origin ASes present in the Internet Routing Table: 8376
RIPE Region origin ASes announcing only one prefix: 4390
RIPE Region transit ASes present in the Internet Routing Table: 1385
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 261705284
Equivalent to 15 /8s, 153 /16s and 78 /24s
Percentage of available RIPE address space announced: 82.1
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: 12266
Total LACNIC prefixes after maximum aggregation: 3742
Prefixes being announced from the LACNIC address blocks: 10317
Unique aggregates announced from the LACNIC address blocks: 5948
LACNIC Region origin ASes present in the Internet Routing Table: 712
LACNIC Region origin ASes announcing only one prefix: 236
LACNIC Region transit ASes present in the Internet Routing Table: 128
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 32144128
Equivalent to 1 /8s, 234 /16s and 123 /24s
Percentage of available LACNIC address space announced: 47.9
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: 2246
Total AfriNIC prefixes after maximum aggregation: 912
Prefixes being announced from the AfriNIC address blocks: 1567
Unique aggregates announced from the AfriNIC address blocks: 986
AfriNIC Region origin ASes present in the Internet Routing Table: 160
AfriNIC Region origin ASes announcing only one prefix: 45
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: 11
Number of AfriNIC addresses announced to Internet: 4205056
Equivalent to 0 /8s, 64 /16s and 42 /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 1294 7973 236 CHINANET-BACKBONE
4755 970 255 66 Videsh Sanchar Nigam Ltd. Aut
9583 943 109 15 Sify Limited
9498 786 211 71 BHARTI BT INTERNET LTD.
4766 703 4435 304 Korea Telecom (KIX)
1221 611 1779 468 Telstra Pty Ltd
7545 541 124 72 TPG Internet Pty Ltd
17488 522 32 18 Hathway IP Over Cable Interne
17676 492 10613 96 Softbank BB Corp.
9443 450 111 83 Primus Telecommunications
18101 440 85 22 Reliance Infocom Ltd Internet
4812 412 739 59 China Telecom (Shanghai)
17849 410 30 122 Telecommunications Technology
17974 370 129 12 PT TELEKOMUNIKASI INDONESIA
4802 354 84 149 Wantree Development
17557 354 28 167 Pakistan Telecom
2907 336 1733 311 SINET Japan
4837 318 3523 136 chinanet IDC center beijing n
10139 308 23 6 Meridian Telekoms
7474 295 211 229 SingTel Optus Pty Ltd
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1473 6259 950 AT&T WorldNet Services
6197 1016 635 477 BellSouth Network Solutions,
721 1004 21942 310 DLA Systems Automation Center
4323 979 732 278 Time Warner Telecom
701 962 6782 787 UUNET Technologies, Inc.
18566 956 272 8 Covad Communications
2386 952 560 717 AT&T Data Communications Serv
174 943 5770 888 Cogent Communications
1239 840 2779 593 Sprint
20115 734 657 383 Charter Communications
19262 731 2224 185 Verizon Global Networks
11492 725 90 16 Cable One
22773 691 1744 46 Cox Communications, Inc.
209 682 3654 538 Qwest
7011 670 225 424 Citizens Utilities
852 587 1068 383 Telus Advanced Communications
19916 563 49 54 OLM LLC
855 559 247 74 Canadian Research Network
3602 534 125 105 Sprint Canada, Inc.
5668 532 145 18 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 298 5013 241 Deutsche Telekom AG
8220 280 471 266 COLT Telecommunications
24863 254 42 11 LINKdotNET AS number
680 248 2041 244 DFN-IP service G-WiN
6746 244 91 222 Dynamic Network Technologies,
3246 231 462 221 Song Networks
1257 220 744 167 SWIPnet Swedish IP Network
8708 216 278 203 Romania Data Systems S.A.
3215 204 1760 97 France Telecom Transpac
3269 202 2246 73 TELECOM ITALIA
8551 202 182 27 Bezeq International
30890 202 18 83 SC Kappa Invexim SRL
6830 194 879 43 UPC Distribution Services
8866 186 37 15 Bulgarian Telecommunication C
5416 181 12 7 BATELCO-BH
3300 173 171 98 AUCS Communications Services
786 171 1778 171 The JANET IP Service
9121 168 931 31 TTnet Autonomous System
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 768 1811 228 UniNet S.A. de C.V.
22047 456 206 11 VTR PUNTO NET S.A.
11172 358 96 85 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 183 167 84 AVANTEL, S.A.
7303 181 84 28 Telecom Argentina Stet-France
10481 181 72 8 Prima S.A.
7910 144 9 25 ANDINET ON LINE
21826 134 17 23 INTERCABLE
11556 132 96 4 Cable-Wireless Panama
19429 131 80 40 E.T.B.
18822 129 8 10 TELEFONICA MANQUEHUE
19169 128 8 25 Telconet
14522 117 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
2018 134 298 111 Tertiary Education Network
15475 132 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 38 294 34 Telkom SA Ltd
33774 31 7 20 AS Number for Telecom Algeria
23889 26 8 11 MAURITIUS TELECOM
16637 25 19 23 Johnnic e-Ventures
10798 23 1 14 Standard Bank of South Africa
8524 22 1 5 AUCEGYPT Autonomous System
21491 21 17 2 UTL On-line is RF broadband I
33766 21 2 1 Nyala Communications Pty Ltd
2561 19 6 2 Egyptian Universities Network
8346 19 18 17 SONATEL-AS Autonomous System
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1294 1058 CHINANET-BACKBONE
18566 956 948 Covad Communications
9583 943 928 Sify Limited
4755 970 904 Videsh Sanchar Nigam Ltd. Aut
9498 786 715 BHARTI BT INTERNET LTD.
11492 725 709 Cable One
4323 979 701 Time Warner Telecom
721 1004 694 DLA Systems Automation Center
22773 691 645 Cox Communications, Inc.
19262 731 546 Verizon Global Networks
8151 768 540 UniNet S.A. de C.V.
6197 1016 539 BellSouth Network Solutions,
5668 532 514 CenturyTel Internet Holdings,
19916 563 509 OLM LLC
17488 522 504 Hathway IP Over Cable Interne
855 559 485 Canadian Research Network
7545 541 469 TPG Internet Pty Ltd
22047 456 445 VTR PUNTO NET S.A.
3602 534 429 Sprint Canada, Inc.
15270 460 427 PaeTec.net -a division of Pae
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
65350 PRIVATE 124.239.192.0/24 17672 asn for Hebei Provin
65010 PRIVATE 203.117.213.0/24 9255 Singapore Telecom
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
65000 PRIVATE 211.72.199.0/24 3462 Data Communication B
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 /8:18 /9:9 /10:10 /11:28 /12:97
/13:205 /14:376 /15:738 /16:8950 /17:3421 /18:5581
/19:12133 /20:13709 /21:12019 /22:15134 /23:16367 /24:105325
/25:419 /26:400 /27:197 /28:62 /29:41 /30:79
/31:0 /32:46
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 939 956 Covad Communications
6197 797 1016 BellSouth Network Solutions,
9583 775 943 Sify Limited
7018 774 1473 AT&T WorldNet Services
11492 713 725 Cable One
2386 670 952 AT&T Data Communications Serv
7011 573 670 Citizens Utilities
19916 557 563 OLM LLC
4766 514 703 Korea Telecom (KIX)
9498 466 786 BHARTI BT INTERNET LTD.
855 433 559 Canadian Research Network
15270 429 460 PaeTec.net -a division of Pae
5668 414 532 CenturyTel Internet Holdings,
4755 405 970 Videsh Sanchar Nigam Ltd. Aut
1239 400 840 Sprint
17849 397 410 Telecommunications Technology
6517 380 415 Yipes Communications, Inc.
18101 375 440 Reliance Infocom Ltd Internet
22773 364 691 Cox Communications, Inc.
6198 351 505 BellSouth Network Solutions,
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:50 12:1622 13:1 15:15 16:3
17:3 18:4 20:41 24:809 25:1 32:61
38:242 40:53 41:15 44:3 47:6 52:4
55:1 56:3 57:26 58:197 59:251 60:192
61:908 62:829 63:1892 64:3056 65:2201 66:3011
67:640 68:652 69:1579 70:379 71:86 72:878
74:67 75:5 80:783 81:695 82:651 83:397
84:374 85:583 86:395 87:433 88:158 89:406
91:1 121:15 122:3 123:1 124:339 125:598
128:154 129:201 130:118 131:313 132:31 133:8
134:165 135:48 136:177 137:84 138:160 139:47
140:527 141:135 142:363 143:189 144:240 145:41
146:312 147:141 148:351 149:189 150:114 151:115
152:72 153:117 154:5 155:215 156:176 157:178
158:165 159:172 160:94 161:86 162:218 163:165
164:233 165:222 166:183 167:243 168:486 169:125
170:355 171:14 190:198 192:5724 193:3405 194:2720
195:2019 196:865 198:3885 199:3300 200:4630 201:1025
202:6807 203:7051 204:3903 205:2027 206:2430 207:2959
208:2232 209:3455 210:2174 211:832 212:1282 213:1445
214:353 215:41 216:4077 217:1151 218:328 219:252
220:767 221:381 222:233
End of report
Report Website: http://thyme.apnic.net
