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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Thu 04 Jan, 2007
Analysis Summary
----------------
BGP routing table entries examined: 206355
Prefixes after maximum aggregation: 112047
Unique aggregates announced to Internet: 100930
Total ASes present in the Internet Routing Table: 24026
Origin-only ASes present in the Internet Routing Table: 20931
Origin ASes announcing only one prefix: 10119
Transit ASes present in the Internet Routing Table: 3095
Transit-only ASes present in the Internet Routing Table: 76
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 32
Max AS path prepend of ASN (20858) 18
Prefixes from unregistered ASNs in the Routing Table: 2
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: 1651483980
Equivalent to 98 /8s, 111 /16s and 165 /24s
Percentage of available address space announced: 44.6
Percentage of allocated address space announced: 63.2
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 104900
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 45620
Total APNIC prefixes after maximum aggregation: 18631
Prefixes being announced from the APNIC address blocks: 43188
Unique aggregates announced from the APNIC address blocks: 19102
APNIC Region origin ASes present in the Internet Routing Table: 2808
APNIC Region origin ASes announcing only one prefix: 797
APNIC Region transit ASes present in the Internet Routing Table: 421
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 273362144
Equivalent to 16 /8s, 75 /16s and 44 /24s
Percentage of available APNIC address space announced: 85.5
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: 102111
Total ARIN prefixes after maximum aggregation: 60470
Prefixes being announced from the ARIN address blocks: 75291
Unique aggregates announced from the ARIN address blocks: 28712
ARIN Region origin ASes present in the Internet Routing Table: 11246
ARIN Region origin ASes announcing only one prefix: 4295
ARIN Region transit ASes present in the Internet Routing Table: 1035
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 311601792
Equivalent to 18 /8s, 146 /16s and 170 /24s
Percentage of available ARIN address space announced: 68.8
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, 96/6, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 42639
Total RIPE prefixes after maximum aggregation: 28006
Prefixes being announced from the RIPE address blocks: 39430
Unique aggregates announced from the RIPE address blocks: 26469
RIPE Region origin ASes present in the Internet Routing Table: 8973
RIPE Region origin ASes announcing only one prefix: 4723
RIPE Region transit ASes present in the Internet Routing Table: 1445
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 32
Number of RIPE addresses announced to Internet: 283442852
Equivalent to 16 /8s, 228 /16s and 254 /24s
Percentage of available RIPE address space announced: 76.8
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
40960-43007
RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 193/8, 194/7,
212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 13449
Total LACNIC prefixes after maximum aggregation: 3993
Prefixes being announced from the LACNIC address blocks: 11535
Unique aggregates announced from the LACNIC address blocks: 7108
LACNIC Region origin ASes present in the Internet Routing Table: 753
LACNIC Region origin ASes announcing only one prefix: 252
LACNIC Region transit ASes present in the Internet Routing Table: 130
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 35991040
Equivalent to 2 /8s, 37 /16s and 46 /24s
Percentage of available LACNIC address space announced: 53.6
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: 2534
Total AfriNIC prefixes after maximum aggregation: 947
Prefixes being announced from the AfriNIC address blocks: 1778
Unique aggregates announced from the AfriNIC address blocks: 1128
AfriNIC Region origin ASes present in the Internet Routing Table: 170
AfriNIC Region origin ASes announcing only one prefix: 52
AfriNIC Region transit ASes present in the Internet Routing Table: 32
Average AfriNIC Region AS path length visible: 3.6
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 5341184
Equivalent to 0 /8s, 81 /16s and 128 /24s
Percentage of available AfriNIC address space announced: 15.9
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 1260 8638 265 CHINANET-BACKBONE
4755 1043 384 68 Videsh Sanchar Nigam Ltd. Aut
9583 1031 99 66 Sify Limited
9498 901 211 63 BHARTI BT INTERNET LTD.
23577 770 34 699 KRNIC
4766 758 4946 312 Korea Telecom (KIX)
1221 576 1714 446 Telstra Pty Ltd
17488 565 35 21 Hathway IP Over Cable Interne
7545 556 126 74 TPG Internet Pty Ltd
17676 503 10935 66 Softbank BB Corp.
18101 491 87 28 Reliance Infocom Ltd Internet
9443 442 111 74 Primus Telecommunications
9942 439 81 131 COMindico Australia
4812 437 759 69 China Telecom (Shanghai)
17849 411 36 126 Telecommunications Technology
17557 369 35 172 Pakistan Telecom
4802 360 86 150 Wantree Development
2907 332 1749 309 SINET Japan
4837 332 3943 145 chinanet IDC center beijing n
7474 308 211 236 SingTel Optus Pty Ltd
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1539 6158 999 AT&T WorldNet Services
2386 1107 586 732 AT&T Data Communications Serv
4323 1059 820 299 Time Warner Telecom
6197 1021 638 500 BellSouth Network Solutions,
18566 982 272 8 Covad Communications
174 964 6793 875 Cogent Communications
701 932 6675 755 UUNET Technologies, Inc.
11492 869 99 15 Cable One
1239 827 2730 577 Sprint
19262 806 2520 183 Verizon Global Networks
721 780 21901 293 DLA Systems Automation Center
20115 767 667 406 Charter Communications
209 719 3764 566 Qwest
22773 712 1744 40 Cox Communications, Inc.
7011 688 211 432 Citizens Utilities
852 603 1092 391 Telus Advanced Communications
19916 567 48 57 OLM LLC
5668 551 161 19 CenturyTel Internet Holdings,
6198 548 535 257 BellSouth Network Solutions,
855 538 250 73 Canadian Research Network
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 545 1912 424 UUNET - Commercial IP service
3301 306 1199 288 TeliaNet Sweden
3320 296 4993 247 Deutsche Telekom AG
24863 295 45 25 LINKdotNET AS number
8220 272 474 263 COLT Telecommunications
6746 264 93 242 Dynamic Network Technologies,
680 253 2041 248 DFN-IP service G-WiN
8708 231 282 218 Romania Data Systems S.A.
3215 230 2104 96 France Telecom Transpac
1257 214 1069 171 SWIPnet Swedish IP Network
3269 210 2373 73 TELECOM ITALIA
30890 208 19 90 SC Kappa Invexim SRL
5416 206 13 9 BATELCO-BH
3246 205 353 195 Song Networks
8551 196 197 24 Bezeq International
3352 176 1767 31 Ibernet, Internet Access Netw
12479 175 578 6 Uni2 Autonomous System
3300 174 171 91 AUCS Communications Services
786 171 1779 171 The JANET IP Service
20858 170 34 3 This AS will be used to conne
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 817 2016 206 UniNet S.A. de C.V.
11830 483 299 19 Instituto Costarricense de El
11172 385 104 74 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
22047 307 206 11 VTR PUNTO NET S.A.
14117 258 16 13 Telefonica del Sur S.A.
6471 257 74 31 ENTEL CHILE S.A.
7303 228 102 36 Telecom Argentina Stet-France
6147 224 182 20 Telefonica Del Peru
6503 216 170 93 AVANTEL, S.A.
11556 211 104 6 Cable-Wireless Panama
10481 181 72 8 Prima S.A.
21826 156 20 35 INTERCABLE
23216 146 19 43 RAMtelecom Telecomunicaciones
7910 144 10 31 ANDINET ON LINE
19429 140 84 34 E.T.B.
19169 139 9 22 Telconet
18822 129 8 10 TELEFONICA MANQUEHUE
14522 128 20 9 SatNet S.A.
6505 125 89 85 Global One Communicaoes Ltda
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 289 868 231 The Internet Solution
8452 230 60 7 TEDATA
15475 147 84 4 Nile Online
6713 144 135 11 Itissalat Al-MAGHRIB
2018 138 309 113 Tertiary Education Network
5536 123 8 15 Internet Egypt Network
24835 116 48 6 RAYA Telecom - Egypt
33783 109 6 4 EEPAD TISP TELECOM & INTERNET
2905 85 176 74 The Internetworking Company o
2561 60 6 2 Egyptian Universities Network
15706 55 12 4 Sudatel Internet Exchange Aut
23889 55 13 15 MAURITIUS TELECOM
5713 41 294 34 Telkom SA Ltd
12455 39 6 3 Jambonet Autonomous system
33774 38 12 22 AS Number for Telecom Algeria
16637 33 21 25 Johnnic e-Ventures
8524 30 2 6 AUCEGYPT Autonomous System
15804 27 2 1 AS of The Way Out Internet So
33776 27 2 5 Starcomms Nigeria Limited
10798 23 1 14 Standard Bank of South Africa
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1260 995 CHINANET-BACKBONE
4755 1043 975 Videsh Sanchar Nigam Ltd. Aut
18566 982 974 Covad Communications
9583 1031 965 Sify Limited
11492 869 854 Cable One
9498 901 838 BHARTI BT INTERNET LTD.
4323 1059 760 Time Warner Telecom
22773 712 672 Cox Communications, Inc.
19262 806 623 Verizon Global Networks
8151 817 611 UniNet S.A. de C.V.
17488 565 544 Hathway IP Over Cable Interne
5668 551 532 CenturyTel Internet Holdings,
6197 1021 521 BellSouth Network Solutions,
19916 567 510 OLM LLC
721 780 487 DLA Systems Automation Center
7545 556 482 TPG Internet Pty Ltd
15270 501 466 PaeTec.net -a division of Pae
855 538 465 Canadian Research Network
11830 483 464 Instituto Costarricense de El
18101 491 463 Reliance Infocom Ltd Internet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65124 PRIVATE 193.110.52.0/24 24652 Juniper Networks, Eu
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
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
172.33.1.0/24 7018 AT&T WorldNet Services
192.0.10.0/24 9498 BHARTI BT INTERNET LTD.
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
192.172.0.0/19 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:10 /10:13 /11:30 /12:114
/13:228 /14:409 /15:797 /16:9095 /17:3625 /18:5919
/19:12903 /20:14467 /21:12891 /22:16374 /23:17833 /24:109969
/25:628 /26:457 /27:353 /28:71 /29:42 /30:87
/31:0 /32:21
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 965 982 Covad Communications
9583 859 1031 Sify Limited
11492 855 869 Cable One
7018 830 1539 AT&T WorldNet Services
2386 826 1107 AT&T Data Communications Serv
6197 795 1021 BellSouth Network Solutions,
23577 756 770 KRNIC
7011 593 688 Citizens Utilities
4766 567 758 Korea Telecom (KIX)
9498 565 901 BHARTI BT INTERNET LTD.
19916 562 567 OLM LLC
4755 482 1043 Videsh Sanchar Nigam Ltd. Aut
15270 469 501 PaeTec.net -a division of Pae
855 435 538 Canadian Research Network
5668 424 551 CenturyTel Internet Holdings,
18101 424 491 Reliance Infocom Ltd Internet
1239 411 827 Sprint
17849 397 411 Telecommunications Technology
33588 396 418 Bresnan Communications, LLC.
17488 388 565 Hathway IP Over Cable Interne
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:62 9:1 12:1655 13:1 15:15
16:3 17:3 18:5 20:36 24:855 25:1
32:55 38:274 40:57 41:56 44:2 47:10
52:4 53:1 55:1 56:3 57:25 58:278
59:353 60:189 61:949 62:1055 63:1895 64:3175
65:2298 66:3090 67:690 68:653 69:1693 70:402
71:130 72:1109 74:123 75:51 76:17 80:813
81:767 82:643 83:346 84:482 85:761 86:404
87:449 88:255 89:713 90:2 91:108 97:1
121:115 122:49 123:8 124:486 125:733 128:310
129:219 130:133 131:315 132:49 133:9 134:177
135:43 136:175 137:114 138:189 139:51 140:519
141:134 142:348 143:213 144:263 145:67 146:320
147:141 148:359 149:172 150:111 151:117 152:90
153:118 154:5 155:246 156:150 157:152 158:166
159:139 160:99 161:94 162:224 163:160 164:239
165:237 166:243 167:283 168:479 169:121 170:362
171:12 172:1 189:44 190:311 192:5733 193:3621
194:2883 195:2177 196:927 198:3776 199:3276 200:4598
201:947 202:6982 203:7173 204:3959 205:2093 206:2429
207:2908 208:2370 209:3588 210:2254 211:883 212:1275
213:1441 214:386 215:39 216:4086 217:1165 218:347
219:266 220:838 221:370 222:237
End of report
Report Website: http://thyme.apnic.net
