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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Tue 15 Aug, 2006
Analysis Summary
----------------
BGP routing table entries examined: 194933
Prefixes after maximum aggregation: 106991
Unique aggregates announced to Internet: 94459
Total ASes present in the Internet Routing Table: 22874
Origin-only ASes present in the Internet Routing Table: 19905
Origin ASes announcing only one prefix: 9538
Transit ASes present in the Internet Routing Table: 2969
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: 24
Max AS path prepend of ASN (24076) 20
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: 1563859372
Equivalent to 93 /8s, 54 /16s and 153 /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: 96905
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 42615
Total APNIC prefixes after maximum aggregation: 17428
Prefixes being announced from the APNIC address blocks: 40299
Unique aggregates announced from the APNIC address blocks: 17924
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: 400
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 245441632
Equivalent to 14 /8s, 161 /16s and 36 /24s
Percentage of available APNIC address space announced: 76.7
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: 98722
Total ARIN prefixes after maximum aggregation: 58709
Prefixes being announced from the ARIN address blocks: 72391
Unique aggregates announced from the ARIN address blocks: 27318
ARIN Region origin ASes present in the Internet Routing Table: 10892
ARIN Region origin ASes announcing only one prefix: 4110
ARIN Region transit ASes present in the Internet Routing Table: 1006
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 299310080
Equivalent to 17 /8s, 215 /16s and 28 /24s
Percentage of available ARIN address space announced: 77.6
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: 39152
Total RIPE prefixes after maximum aggregation: 26197
Prefixes being announced from the RIPE address blocks: 36121
Unique aggregates announced from the RIPE address blocks: 24361
RIPE Region origin ASes present in the Internet Routing Table: 8368
RIPE Region origin ASes announcing only one prefix: 4393
RIPE Region transit ASes present in the Internet Routing Table: 1376
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 261539908
Equivalent to 15 /8s, 150 /16s and 200 /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: 12169
Total LACNIC prefixes after maximum aggregation: 3743
Prefixes being announced from the LACNIC address blocks: 10260
Unique aggregates announced from the LACNIC address blocks: 5906
LACNIC Region origin ASes present in the Internet Routing Table: 710
LACNIC Region origin ASes announcing only one prefix: 235
LACNIC Region transit ASes present in the Internet Routing Table: 132
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 32019712
Equivalent to 1 /8s, 232 /16s and 149 /24s
Percentage of available LACNIC address space announced: 47.7
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: 2251
Total AfriNIC prefixes after maximum aggregation: 914
Prefixes being announced from the AfriNIC address blocks: 1552
Unique aggregates announced from the AfriNIC address blocks: 978
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: 4203008
Equivalent to 0 /8s, 64 /16s and 34 /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 1292 7946 236 CHINANET-BACKBONE
4755 967 255 68 Videsh Sanchar Nigam Ltd. Aut
9583 946 109 15 Sify Limited
9498 785 211 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 436 85 22 Reliance Infocom Ltd Internet
4812 413 739 59 China Telecom (Shanghai)
17849 410 30 122 Telecommunications Technology
4802 358 84 146 Wantree Development
17557 357 29 169 Pakistan Telecom
2907 336 1733 311 SINET Japan
17974 334 129 12 PT TELEKOMUNIKASI INDONESIA
4837 314 3503 138 chinanet IDC center beijing n
7474 295 211 229 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 1478 6258 955 AT&T WorldNet Services
6197 1015 635 477 BellSouth Network Solutions,
721 1001 21942 310 DLA Systems Automation Center
4323 980 747 278 Time Warner Telecom
701 963 6781 787 UUNET Technologies, Inc.
18566 954 272 8 Covad Communications
2386 942 559 712 AT&T Data Communications Serv
174 936 5769 885 Cogent Communications
1239 843 2797 596 Sprint
20115 729 651 379 Charter Communications
19262 726 2232 186 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,
852 586 1068 382 Telus Advanced Communications
855 568 247 74 Canadian Research Network
19916 563 49 54 OLM LLC
5668 539 147 28 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 281 471 267 COLT Telecommunications
24863 253 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 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 200 18 83 SC Kappa Invexim SRL
6830 195 879 43 UPC Distribution Services
1257 194 742 166 SWIPnet Swedish IP Network
8866 183 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 785 1811 227 UniNet S.A. de C.V.
22047 457 206 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 253 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 138 9 23 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 1292 1056 CHINANET-BACKBONE
18566 954 946 Covad Communications
9583 946 931 Sify Limited
4755 967 899 Videsh Sanchar Nigam Ltd. Aut
9498 785 715 BHARTI BT INTERNET LTD.
11492 723 707 Cable One
4323 980 702 Time Warner Telecom
721 1001 691 DLA Systems Automation Center
22773 689 643 Cox Communications, Inc.
8151 785 558 UniNet S.A. de C.V.
19262 726 540 Verizon Global Networks
6197 1015 538 BellSouth Network Solutions,
5668 539 511 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 457 446 VTR PUNTO NET S.A.
15270 458 425 PaeTec.net -a division of Pae
3602 527 422 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
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 /8:18 /9:9 /10:11 /11:28 /12:97
/13:205 /14:376 /15:734 /16:8948 /17:3413 /18:5570
/19:12110 /20:13661 /21:11988 /22:15115 /23:16341 /24:105110
/25:389 /26:388 /27:198 /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 1478 AT&T WorldNet Services
9583 777 946 Sify Limited
11492 711 723 Cable One
2386 660 942 AT&T Data Communications Serv
7011 582 676 Citizens Utilities
19916 557 563 OLM LLC
4766 513 702 Korea Telecom (KIX)
9498 466 785 BHARTI BT INTERNET LTD.
855 442 568 Canadian Research Network
6198 441 595 BellSouth Network Solutions,
15270 427 458 PaeTec.net -a division of Pae
5668 421 539 CenturyTel Internet Holdings,
4755 403 967 Videsh Sanchar Nigam Ltd. Aut
1239 399 843 Sprint
17849 397 410 Telecommunications Technology
6517 377 411 Yipes Communications, Inc.
18101 371 436 Reliance Infocom Ltd Internet
22773 363 689 Cox Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:50 12:1616 13:1 15:15 16:3
17:3 18:4 20:41 24:810 25:1 32:61
38:241 40:53 41:11 44:3 45:12 47:6
52:4 55:1 56:3 57:26 58:212 59:249
60:182 61:919 62:828 63:1893 64:3042 65:2254
66:2994 67:639 68:675 69:1556 70:391 71:87
72:874 74:71 75:5 80:755 81:673 82:645
83:408 84:393 85:576 86:395 87:454 88:151
89:396 91:1 121:13 122:3 123:1 124:341
125:599 128:153 129:199 130:117 131:313 132:34
133:8 134:164 135:48 136:178 137:93 138:213
139:48 140:519 141:135 142:375 143:189 144:239
145:40 146:316 147:140 148:351 149:187 150:114
151:97 152:71 153:117 154:5 155:214 156:179
157:169 158:167 159:172 160:94 161:83 162:218
163:164 164:237 165:222 166:182 167:242 168:487
169:125 170:351 171:14 190:133 192:5733 193:3404
194:2699 195:2023 196:856 198:3888 199:3303 200:4635
201:1035 202:6760 203:7050 204:3894 205:2017 206:2425
207:2931 208:2228 209:3452 210:2175 211:832 212:1259
213:1434 214:368 215:41 216:4031 217:1157 218:325
219:250 220:746 221:381 222:213
End of report
Report Website: http://thyme.apnic.net
