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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Mon 21 Aug, 2006
Analysis Summary
----------------
BGP routing table entries examined: 195224
Prefixes after maximum aggregation: 107004
Unique aggregates announced to Internet: 95299
Total ASes present in the Internet Routing Table: 22899
Origin-only ASes present in the Internet Routing Table: 19923
Origin ASes announcing only one prefix: 9544
Transit ASes present in the Internet Routing Table: 2976
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: 1574033836
Equivalent to 93 /8s, 209 /16s and 217 /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: 97177
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 42744
Total APNIC prefixes after maximum aggregation: 17426
Prefixes being announced from the APNIC address blocks: 40428
Unique aggregates announced from the APNIC address blocks: 18692
APNIC Region origin ASes present in the Internet Routing Table: 2672
APNIC Region origin ASes announcing only one prefix: 754
APNIC Region transit ASes present in the Internet Routing Table: 394
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 260528992
Equivalent to 15 /8s, 135 /16s and 91 /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: 98651
Total ARIN prefixes after maximum aggregation: 58670
Prefixes being announced from the ARIN address blocks: 72433
Unique aggregates announced from the ARIN address blocks: 27373
ARIN Region origin ASes present in the Internet Routing Table: 10901
ARIN Region origin ASes announcing only one prefix: 4115
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: 29
Number of ARIN addresses announced to Internet: 295420928
Equivalent to 17 /8s, 155 /16s and 196 /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: 39280
Total RIPE prefixes after maximum aggregation: 26258
Prefixes being announced from the RIPE address blocks: 36220
Unique aggregates announced from the RIPE address blocks: 24396
RIPE Region origin ASes present in the Internet Routing Table: 8385
RIPE Region origin ASes announcing only one prefix: 4392
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: 261713988
Equivalent to 15 /8s, 153 /16s and 112 /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: 12263
Total LACNIC prefixes after maximum aggregation: 3736
Prefixes being announced from the LACNIC address blocks: 10320
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: 237
LACNIC Region transit ASes present in the Internet Routing Table: 128
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 32136704
Equivalent to 1 /8s, 234 /16s and 94 /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: 2261
Total AfriNIC prefixes after maximum aggregation: 914
Prefixes being announced from the AfriNIC address blocks: 1578
Unique aggregates announced from the AfriNIC address blocks: 983
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: 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: 4206080
Equivalent to 0 /8s, 64 /16s and 46 /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 968 255 67 Videsh Sanchar Nigam Ltd. Aut
9583 942 109 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 538 124 71 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 439 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
17557 359 29 165 Pakistan Telecom
4802 356 84 149 Wantree Development
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 1476 6259 952 AT&T WorldNet Services
6197 1015 635 477 BellSouth Network Solutions,
721 983 21891 309 DLA Systems Automation Center
4323 980 748 279 Time Warner Telecom
701 960 6782 786 UUNET Technologies, Inc.
18566 956 272 8 Covad Communications
2386 950 560 715 AT&T Data Communications Serv
174 943 5770 888 Cogent Communications
1239 838 2779 591 Sprint
20115 735 658 384 Charter Communications
19262 731 2224 185 Verizon Global Networks
11492 725 90 16 Cable One
22773 691 1744 46 Cox Communications, Inc.
209 682 3639 537 Qwest
7011 671 225 425 Citizens Utilities
852 587 1068 383 Telus Advanced Communications
19916 563 49 54 OLM LLC
855 559 247 74 Canadian Research Network
3602 533 125 105 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
5416 180 12 11 BATELCO-BH
8866 179 37 15 Bulgarian Telecommunication C
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 769 1811 227 UniNet S.A. de C.V.
22047 456 206 11 VTR PUNTO NET S.A.
11172 358 96 86 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
6147 273 134 22 Telefonica Del Peru
6471 253 74 30 ENTEL CHILE S.A.
14117 217 13 7 Telefonica del Sur S.A.
6503 182 167 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 177 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 30 7 19 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
21280 22 4 4 Swift Global Kenya Ltd.Is an
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
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1294 1058 CHINANET-BACKBONE
18566 956 948 Covad Communications
9583 942 927 Sify Limited
4755 968 901 Videsh Sanchar Nigam Ltd. Aut
9498 786 715 BHARTI BT INTERNET LTD.
11492 725 709 Cable One
4323 980 701 Time Warner Telecom
721 983 674 DLA Systems Automation Center
22773 691 645 Cox Communications, Inc.
19262 731 546 Verizon Global Networks
8151 769 542 UniNet S.A. de C.V.
6197 1015 538 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 538 467 TPG Internet Pty Ltd
22047 456 445 VTR PUNTO NET S.A.
3602 533 428 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 /15:739 /16:8944 /17:3423 /18:5583
/19:12134 /20:13703 /21:12017 /22:15138 /23:16380 /24:105195
/25:398 /26:401 /27:196 /28:64 /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 796 1015 BellSouth Network Solutions,
7018 775 1476 AT&T WorldNet Services
9583 774 942 Sify Limited
11492 713 725 Cable One
2386 671 950 AT&T Data Communications Serv
7011 574 671 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 406 968 Videsh Sanchar Nigam Ltd. Aut
1239 400 838 Sprint
17849 397 410 Telecommunications Technology
6517 380 415 Yipes Communications, Inc.
18101 374 439 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 12:1620 13:1 15:15 16:3
17:3 18:4 20:41 24:809 25:1 32:61
38:244 40:53 41:15 44:3 47:6 52:4
55:1 56:3 57:26 58:197 59:251 60:187
61:908 62:832 63:1891 64:3048 65:2204 66:3013
67:640 68:652 69:1588 70:377 71:88 72:879
74:67 75:5 80:778 81:694 82:650 83:389
84:387 85:584 86:380 87:433 88:158 89:408
91:1 121:16 122:3 123:1 124:339 125:598
128:154 129:201 130:118 131:315 132:31 133:8
134:165 135:48 136:177 137:84 138:213 139:49
140:525 141:135 142:363 143:187 144:241 145:41
146:312 147:141 148:352 149:189 150:114 151:115
152:72 153:117 154:5 155:216 156:176 157:179
158:165 159:173 160:93 161:86 162:218 163:165
164:232 165:222 166:183 167:243 168:486 169:125
170:355 171:14 190:198 192:5719 193:3404 194:2715
195:2023 196:872 198:3867 199:3263 200:4628 201:1027
202:6789 203:7056 204:3893 205:1983 206:2420 207:2920
208:2231 209:3453 210:2176 211:831 212:1280 213:1444
214:358 215:41 216:4072 217:1151 218:328 219:252
220:766 221:381 222:233
End of report
Report Website: http://thyme.apnic.net
