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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Sun 03 Dec, 2006
Analysis Summary
----------------
BGP routing table entries examined: 205175
Prefixes after maximum aggregation: 111179
Unique aggregates announced to Internet: 99933
Total ASes present in the Internet Routing Table: 23818
Origin-only ASes present in the Internet Routing Table: 20756
Origin ASes announcing only one prefix: 10010
Transit ASes present in the Internet Routing Table: 3062
Transit-only ASes present in the Internet Routing Table: 78
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: 1
Unregistered ASNs in the Routing Table: 2
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1642468652
Equivalent to 97 /8s, 230 /16s and 21 /24s
Percentage of available address space announced: 44.3
Percentage of allocated address space announced: 62.9
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 104163
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 45468
Total APNIC prefixes after maximum aggregation: 18503
Prefixes being announced from the APNIC address blocks: 43028
Unique aggregates announced from the APNIC address blocks: 19049
APNIC Region origin ASes present in the Internet Routing Table: 2779
APNIC Region origin ASes announcing only one prefix: 782
APNIC Region transit ASes present in the Internet Routing Table: 413
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 270829024
Equivalent to 16 /8s, 36 /16s and 133 /24s
Percentage of available APNIC address space announced: 84.7
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: 101761
Total ARIN prefixes after maximum aggregation: 60161
Prefixes being announced from the ARIN address blocks: 74979
Unique aggregates announced from the ARIN address blocks: 28526
ARIN Region origin ASes present in the Internet Routing Table: 11191
ARIN Region origin ASes announcing only one prefix: 4258
ARIN Region transit ASes present in the Internet Routing Table: 1033
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 311465600
Equivalent to 18 /8s, 144 /16s and 150 /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: 42089
Total RIPE prefixes after maximum aggregation: 27606
Prefixes being announced from the RIPE address blocks: 38950
Unique aggregates announced from the RIPE address blocks: 26040
RIPE Region origin ASes present in the Internet Routing Table: 8848
RIPE Region origin ASes announcing only one prefix: 4676
RIPE Region transit ASes present in the Internet Routing Table: 1424
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 279053444
Equivalent to 16 /8s, 162 /16s and 4 /24s
Percentage of available RIPE address space announced: 75.6
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: 13383
Total LACNIC prefixes after maximum aggregation: 3967
Prefixes being announced from the LACNIC address blocks: 11368
Unique aggregates announced from the LACNIC address blocks: 6908
LACNIC Region origin ASes present in the Internet Routing Table: 750
LACNIC Region origin ASes announcing only one prefix: 244
LACNIC Region transit ASes present in the Internet Routing Table: 133
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 35209984
Equivalent to 2 /8s, 25 /16s and 67 /24s
Percentage of available LACNIC address space announced: 52.5
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: 2472
Total AfriNIC prefixes after maximum aggregation: 942
Prefixes being announced from the AfriNIC address blocks: 1708
Unique aggregates announced from the AfriNIC address blocks: 1079
AfriNIC Region origin ASes present in the Internet Routing Table: 172
AfriNIC Region origin ASes announcing only one prefix: 50
AfriNIC Region transit ASes present in the Internet Routing Table: 27
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 4500992
Equivalent to 0 /8s, 68 /16s and 174 /24s
Percentage of available AfriNIC address space announced: 13.4
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 1232 8525 248 CHINANET-BACKBONE
4755 1046 384 69 Videsh Sanchar Nigam Ltd. Aut
9583 988 108 62 Sify Limited
9498 891 212 61 BHARTI BT INTERNET LTD.
23577 777 35 707 KRNIC
4766 744 4945 306 Korea Telecom (KIX)
1221 580 1698 445 Telstra Pty Ltd
17488 556 35 20 Hathway IP Over Cable Interne
7545 548 126 73 TPG Internet Pty Ltd
17676 501 10934 65 Softbank BB Corp.
18101 489 87 23 Reliance Infocom Ltd Internet
9443 442 111 74 Primus Telecommunications
9942 437 81 131 COMindico Australia
4812 427 749 67 China Telecom (Shanghai)
17849 423 36 126 Telecommunications Technology
4802 410 86 150 Wantree Development
17974 369 129 12 PT TELEKOMUNIKASI INDONESIA
17557 366 31 176 Pakistan Telecom
2907 332 1749 309 SINET Japan
4837 325 3652 141 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1556 6193 986 AT&T WorldNet Services
2386 1106 570 735 AT&T Data Communications Serv
4323 1046 805 297 Time Warner Telecom
6197 1020 628 498 BellSouth Network Solutions,
18566 979 272 8 Covad Communications
701 952 6707 774 UUNET Technologies, Inc.
174 944 6821 867 Cogent Communications
11492 839 98 14 Cable One
721 829 21905 298 DLA Systems Automation Center
1239 821 2729 575 Sprint
19262 786 2452 177 Verizon Global Networks
20115 770 688 412 Charter Communications
22773 710 1744 41 Cox Communications, Inc.
209 707 3765 558 Qwest
7011 692 213 431 Citizens Utilities
852 592 1091 389 Telus Advanced Communications
19916 567 48 57 OLM LLC
5668 549 161 19 CenturyTel Internet Holdings,
6198 545 527 256 BellSouth Network Solutions,
855 539 250 73 Canadian Research Network
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 547 1928 426 UUNET - Commercial IP service
3301 309 1215 293 TeliaNet Sweden
3320 297 4992 245 Deutsche Telekom AG
24863 287 44 27 LINKdotNET AS number
8220 272 472 262 COLT Telecommunications
6746 260 92 237 Dynamic Network Technologies,
680 250 2041 246 DFN-IP service G-WiN
9116 231 134 23 Goldenlines main autonomous s
8708 228 282 214 Romania Data Systems S.A.
3215 223 2020 96 France Telecom Transpac
1257 218 1073 172 SWIPnet Swedish IP Network
3246 209 370 199 Song Networks
3269 208 2357 75 TELECOM ITALIA
5416 204 13 13 BATELCO-BH
30890 202 18 82 SC Kappa Invexim SRL
8551 199 197 24 Bezeq International
6830 184 823 39 UPC Distribution Services
3300 177 171 95 AUCS Communications Services
3352 172 1751 30 Ibernet, Internet Access Netw
786 171 1779 171 The JANET IP Service
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 759 1922 208 UniNet S.A. de C.V.
11830 484 299 19 Instituto Costarricense de El
11172 383 104 78 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
22047 307 206 11 VTR PUNTO NET S.A.
6471 258 74 31 ENTEL CHILE S.A.
14117 254 16 13 Telefonica del Sur S.A.
7303 227 102 35 Telecom Argentina Stet-France
6147 209 148 23 Telefonica Del Peru
6503 206 170 93 AVANTEL, S.A.
11556 204 101 6 Cable-Wireless Panama
10481 181 72 8 Prima S.A.
21826 150 20 39 INTERCABLE
7910 145 10 32 ANDINET ON LINE
23216 144 19 43 RAMtelecom Telecomunicaciones
19169 139 9 22 Telconet
19429 135 84 34 E.T.B.
14522 131 20 9 SatNet S.A.
18822 129 8 10 TELEFONICA MANQUEHUE
7738 116 442 21 Telecomunicacoes da Bahia S.A
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 292 804 232 The Internet Solution
8452 220 60 7 TEDATA
15475 147 84 4 Nile Online
6713 145 136 12 Itissalat Al-MAGHRIB
2018 133 297 111 Tertiary Education Network
5536 123 8 15 Internet Egypt Network
24835 116 48 6 RAYA Telecom - Egypt
33783 110 6 4 EEPAD TISP TELECOM & INTERNET
2905 83 173 71 The Internetworking Company o
2561 57 6 2 Egyptian Universities Network
15706 55 12 4 Sudatel Internet Exchange Aut
5713 40 294 33 Telkom SA Ltd
12455 39 6 3 Jambonet Autonomous system
23889 35 10 14 MAURITIUS TELECOM
33774 35 12 22 AS Number for Telecom Algeria
16637 33 21 25 Johnnic e-Ventures
8524 31 2 5 AUCEGYPT Autonomous System
15804 27 2 1 AS of The Way Out Internet So
10798 23 1 14 Standard Bank of South Africa
21280 23 4 4 Swift Global Kenya Ltd.Is an
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1232 984 CHINANET-BACKBONE
4755 1046 977 Videsh Sanchar Nigam Ltd. Aut
18566 979 971 Covad Communications
9583 988 926 Sify Limited
9498 891 830 BHARTI BT INTERNET LTD.
11492 839 825 Cable One
4323 1046 749 Time Warner Telecom
22773 710 669 Cox Communications, Inc.
19262 786 609 Verizon Global Networks
8151 759 551 UniNet S.A. de C.V.
17488 556 536 Hathway IP Over Cable Interne
721 829 531 DLA Systems Automation Center
5668 549 530 CenturyTel Internet Holdings,
6197 1020 522 BellSouth Network Solutions,
19916 567 510 OLM LLC
7545 548 475 TPG Internet Pty Ltd
855 539 466 Canadian Research Network
18101 489 466 Reliance Infocom Ltd Internet
11830 484 465 Instituto Costarricense de El
15270 489 455 PaeTec.net -a division of Pae
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
64599 PRIVATE 64.200.115.0/24 32083 Omnispring
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
176.16.0.0/16 7908 Comsat Argentina S.A.
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 /12:111
/13:223 /14:398 /15:794 /16:9119 /17:3622 /18:5838
/19:12698 /20:14291 /21:12909 /22:16217 /23:17726 /24:109437
/25:649 /26:469 /27:370 /28:74 /29:46 /30:90
/31:0 /32:22
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 962 979 Covad Communications
7018 832 1556 AT&T WorldNet Services
11492 825 839 Cable One
2386 824 1106 AT&T Data Communications Serv
9583 819 988 Sify Limited
6197 798 1020 BellSouth Network Solutions,
23577 763 777 KRNIC
7011 597 692 Citizens Utilities
19916 562 567 OLM LLC
4766 555 744 Korea Telecom (KIX)
9498 545 891 BHARTI BT INTERNET LTD.
4755 469 1046 Videsh Sanchar Nigam Ltd. Aut
15270 459 489 PaeTec.net -a division of Pae
855 436 539 Canadian Research Network
5668 423 549 CenturyTel Internet Holdings,
18101 421 489 Reliance Infocom Ltd Internet
17849 409 423 Telecommunications Technology
1239 405 821 Sprint
33588 388 411 Bresnan Communications, LLC.
6198 384 545 BellSouth Network Solutions,
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:67 9:1 12:1645 13:1 15:15
16:3 17:3 18:4 20:39 24:840 25:1
32:56 38:269 40:57 41:33 44:2 47:8
52:4 53:1 55:1 56:3 57:24 58:267
59:343 60:205 61:948 62:1056 63:1877 64:3181
65:2288 66:3113 67:673 68:657 69:1715 70:393
71:113 72:1016 74:112 75:34 76:14 80:814
81:757 82:644 83:366 84:476 85:748 86:419
87:444 88:279 89:632 90:1 91:101 97:1
121:77 122:32 123:3 124:471 125:737 128:310
129:205 130:126 131:322 132:48 133:9 134:178
135:42 136:180 137:115 138:187 139:48 140:521
141:135 142:346 143:213 144:252 145:67 146:324
147:139 148:364 149:171 150:109 151:118 152:82
153:110 154:5 155:261 156:148 157:164 158:166
159:139 160:98 161:87 162:218 163:161 164:238
165:227 166:244 167:274 168:487 169:124 170:392
171:12 172:1 189:13 190:308 192:5724 193:3585
194:2840 195:2159 196:906 198:3779 199:3287 200:4581
201:928 202:7002 203:7221 204:3941 205:2101 206:2416
207:2914 208:2336 209:3560 210:2226 211:863 212:1333
213:1459 214:384 215:39 216:4110 217:1144 218:336
219:250 220:815 221:367 222:250
End of report
Report Website: http://thyme.apnic.net
