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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Fri 18 Aug, 2006
Analysis Summary
----------------
BGP routing table entries examined: 195488
Prefixes after maximum aggregation: 107133
Unique aggregates announced to Internet: 95321
Total ASes present in the Internet Routing Table: 22901
Origin-only ASes present in the Internet Routing Table: 19918
Origin ASes announcing only one prefix: 9554
Transit ASes present in the Internet Routing Table: 2983
Transit-only ASes present in the Internet Routing Table: 71
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: 24
Unregistered ASNs in the Routing Table: 3
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1559831212
Equivalent to 92 /8s, 249 /16s and 34 /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: 97333
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 42761
Total APNIC prefixes after maximum aggregation: 17441
Prefixes being announced from the APNIC address blocks: 40446
Unique aggregates announced from the APNIC address blocks: 18710
APNIC Region origin ASes present in the Internet Routing Table: 2672
APNIC Region origin ASes announcing only one prefix: 757
APNIC Region transit ASes present in the Internet Routing Table: 398
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 246131808
Equivalent to 14 /8s, 171 /16s and 172 /24s
Percentage of available APNIC address space announced: 77.0
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: 98924
Total ARIN prefixes after maximum aggregation: 58781
Prefixes being announced from the ARIN address blocks: 72599
Unique aggregates announced from the ARIN address blocks: 27338
ARIN Region origin ASes present in the Internet Routing Table: 10907
ARIN Region origin ASes announcing only one prefix: 4117
ARIN Region transit ASes present in the Internet Routing Table: 1016
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 295389952
Equivalent to 17 /8s, 155 /16s and 75 /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: 39317
Total RIPE prefixes after maximum aggregation: 26245
Prefixes being announced from the RIPE address blocks: 36287
Unique aggregates announced from the RIPE address blocks: 24414
RIPE Region origin ASes present in the Internet Routing Table: 8379
RIPE Region origin ASes announcing only one prefix: 4397
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: 261689924
Equivalent to 15 /8s, 153 /16s and 18 /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: 12206
Total LACNIC prefixes after maximum aggregation: 3754
Prefixes being announced from the LACNIC address blocks: 10254
Unique aggregates announced from the LACNIC address blocks: 5957
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: 129
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 32146176
Equivalent to 1 /8s, 234 /16s and 131 /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: 2256
Total AfriNIC prefixes after maximum aggregation: 912
Prefixes being announced from the AfriNIC address blocks: 1565
Unique aggregates announced from the AfriNIC address blocks: 988
AfriNIC Region origin ASes present in the Internet Routing Table: 160
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: 16
Number of AfriNIC addresses announced to Internet: 4205824
Equivalent to 0 /8s, 64 /16s and 45 /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 969 255 68 Videsh Sanchar Nigam Ltd. Aut
9583 946 109 15 Sify Limited
9498 784 211 70 BHARTI BT INTERNET LTD.
4766 702 4435 303 Korea Telecom (KIX)
1221 612 1779 469 Telstra Pty Ltd
7545 543 124 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 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 358 29 169 Pakistan Telecom
4802 356 84 149 Wantree Development
2907 336 1733 311 SINET Japan
4837 318 3523 136 chinanet IDC center beijing n
10139 305 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 1478 6259 954 AT&T WorldNet Services
6197 1015 635 477 BellSouth Network Solutions,
721 1003 21942 310 DLA Systems Automation Center
4323 984 748 279 Time Warner Telecom
701 962 6782 787 UUNET Technologies, Inc.
18566 954 272 8 Covad Communications
2386 943 559 711 AT&T Data Communications Serv
174 935 5769 884 Cogent Communications
1239 839 2779 592 Sprint
20115 736 658 385 Charter Communications
19262 728 2220 184 Verizon Global Networks
11492 725 90 16 Cable One
22773 691 1744 46 Cox Communications, Inc.
7011 687 228 437 Citizens Utilities
209 686 3657 542 Qwest
6198 597 554 236 BellSouth Network Solutions,
852 587 1068 383 Telus Advanced Communications
19916 563 49 54 OLM LLC
855 559 247 74 Canadian Research Network
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
680 247 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
30890 203 19 82 SC Kappa Invexim SRL
3269 202 2246 73 TELECOM ITALIA
8551 202 182 27 Bezeq International
6830 194 879 43 UPC Distribution Services
8866 191 37 15 Bulgarian Telecommunication C
5416 180 12 11 BATELCO-BH
3300 173 171 98 AUCS Communications Services
786 171 1778 171 The JANET IP Service
9121 167 931 30 TTnet Autonomous System
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 785 1811 227 UniNet S.A. de C.V.
22047 422 206 11 VTR PUNTO NET S.A.
11172 357 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 182 85 29 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
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 169 60 7 TEDATA
6713 144 135 11 Itissalat Al-MAGHRIB
15475 142 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 32 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
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 954 946 Covad Communications
9583 946 931 Sify Limited
4755 969 901 Videsh Sanchar Nigam Ltd. Aut
9498 784 714 BHARTI BT INTERNET LTD.
11492 725 709 Cable One
4323 984 705 Time Warner Telecom
721 1003 693 DLA Systems Automation Center
22773 691 645 Cox Communications, Inc.
8151 785 558 UniNet S.A. de C.V.
19262 728 544 Verizon Global Networks
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 543 471 TPG Internet Pty Ltd
15270 459 426 PaeTec.net -a division of Pae
3602 529 424 Sprint Canada, Inc.
18101 438 416 Reliance Infocom Ltd Internet
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
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
64615 PRIVATE 203.144.48.0/24 16838 VeriSign Inc
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 /10:10 /11:28 /12:97
/13:205 /14:376 /15:738 /16:8948 /17:3416 /18:5569
/19:12115 /20:13697 /21:11999 /22:15126 /23:16403 /24:105488
/25:416 /26:402 /27:196 /28:66 /29:42 /30:79
/31:0 /32:46
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 1478 AT&T WorldNet Services
9583 777 946 Sify Limited
11492 713 725 Cable One
2386 661 943 AT&T Data Communications Serv
7011 590 687 Citizens Utilities
19916 557 563 OLM LLC
4766 513 702 Korea Telecom (KIX)
9498 466 784 BHARTI BT INTERNET LTD.
6198 443 597 BellSouth Network Solutions,
855 433 559 Canadian Research Network
15270 428 459 PaeTec.net -a division of Pae
5668 414 532 CenturyTel Internet Holdings,
4755 404 969 Videsh Sanchar Nigam Ltd. Aut
1239 400 839 Sprint
17849 397 410 Telecommunications Technology
6517 379 413 Yipes Communications, Inc.
18101 373 438 Reliance Infocom Ltd Internet
22773 364 691 Cox Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:50 12:1617 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 58:209 59:249 60:188
61:908 62:833 63:1889 64:3052 65:2251 66:3016
67:642 68:676 69:1571 70:390 71:88 72:886
74:75 75:5 80:783 81:692 82:651 83:407
84:392 85:580 86:395 87:460 88:156 89:405
91:1 121:14 122:3 123:1 124:337 125:597
128:153 129:201 130:118 131:314 132:32 133:8
134:165 135:48 136:178 137:85 138:214 139:47
140:557 141:135 142:367 143:188 144:239 145:40
146:318 147:141 148:351 149:188 150:114 151:115
152:73 153:117 154:5 155:215 156:178 157:179
158:164 159:172 160:94 161:85 162:218 163:163
164:233 165:221 166:183 167:243 168:485 169:125
170:358 171:14 190:165 192:5732 193:3404 194:2708
195:2026 196:861 198:3892 199:3283 200:4630 201:1039
202:6787 203:7071 204:3896 205:2024 206:2430 207:2958
208:2223 209:3450 210:2176 211:830 212:1281 213:1447
214:368 215:41 216:4042 217:1152 218:328 219:253
220:767 221:381 222:233
End of report
Report Website: http://thyme.apnic.net
