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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Fri 29 Dec, 2006
Analysis Summary
----------------
BGP routing table entries examined: 206469
Prefixes after maximum aggregation: 112018
Unique aggregates announced to Internet: 99950
Total ASes present in the Internet Routing Table: 24007
Origin-only ASes present in the Internet Routing Table: 20919
Origin ASes announcing only one prefix: 10089
Transit ASes present in the Internet Routing Table: 3088
Transit-only ASes present in the Internet Routing Table: 81
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: 1649964236
Equivalent to 98 /8s, 88 /16s and 116 /24s
Percentage of available address space announced: 44.5
Percentage of allocated address space announced: 63.2
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 105071
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 45569
Total APNIC prefixes after maximum aggregation: 18547
Prefixes being announced from the APNIC address blocks: 43180
Unique aggregates announced from the APNIC address blocks: 18237
APNIC Region origin ASes present in the Internet Routing Table: 2799
APNIC Region origin ASes announcing only one prefix: 793
APNIC Region transit ASes present in the Internet Routing Table: 415
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 273070688
Equivalent to 16 /8s, 70 /16s and 186 /24s
Percentage of available APNIC address space announced: 85.4
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: 102058
Total ARIN prefixes after maximum aggregation: 60486
Prefixes being announced from the ARIN address blocks: 75240
Unique aggregates announced from the ARIN address blocks: 28660
ARIN Region origin ASes present in the Internet Routing Table: 11239
ARIN Region origin ASes announcing only one prefix: 4285
ARIN Region transit ASes present in the Internet Routing Table: 1028
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 311436928
Equivalent to 18 /8s, 144 /16s and 38 /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: 42723
Total RIPE prefixes after maximum aggregation: 28031
Prefixes being announced from the RIPE address blocks: 39540
Unique aggregates announced from the RIPE address blocks: 26480
RIPE Region origin ASes present in the Internet Routing Table: 8962
RIPE Region origin ASes announcing only one prefix: 4708
RIPE Region transit ASes present in the Internet Routing Table: 1444
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 32
Number of RIPE addresses announced to Internet: 283277476
Equivalent to 16 /8s, 226 /16s and 120 /24s
Percentage of available RIPE address space announced: 76.7
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: 13583
Total LACNIC prefixes after maximum aggregation: 4012
Prefixes being announced from the LACNIC address blocks: 11646
Unique aggregates announced from the LACNIC address blocks: 7107
LACNIC Region origin ASes present in the Internet Routing Table: 755
LACNIC Region origin ASes announcing only one prefix: 251
LACNIC Region transit ASes present in the Internet Routing Table: 136
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 35969280
Equivalent to 2 /8s, 36 /16s and 217 /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: 942
Prefixes being announced from the AfriNIC address blocks: 1777
Unique aggregates announced from the AfriNIC address blocks: 1125
AfriNIC Region origin ASes present in the Internet Routing Table: 171
AfriNIC Region origin ASes announcing only one prefix: 52
AfriNIC Region transit ASes present in the Internet Routing Table: 31
Average AfriNIC Region AS path length visible: 3.6
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 5324032
Equivalent to 0 /8s, 81 /16s and 61 /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 1257 8637 264 CHINANET-BACKBONE
9583 1043 109 16 Sify Limited
4755 1040 384 67 Videsh Sanchar Nigam Ltd. Aut
9498 896 211 63 BHARTI BT INTERNET LTD.
23577 768 34 697 KRNIC
4766 752 4945 306 Korea Telecom (KIX)
1221 575 1714 445 Telstra Pty Ltd
17488 565 35 21 Hathway IP Over Cable Interne
7545 554 126 74 TPG Internet Pty Ltd
17676 503 10935 66 Softbank BB Corp.
18101 491 87 27 Reliance Infocom Ltd Internet
9443 442 111 74 Primus Telecommunications
9942 438 81 132 COMindico Australia
4812 437 758 69 China Telecom (Shanghai)
17849 411 36 126 Telecommunications Technology
4802 405 86 146 Wantree Development
17557 366 35 170 Pakistan Telecom
17974 357 119 24 PT TELEKOMUNIKASI INDONESIA
2907 332 1749 309 SINET Japan
4837 331 3911 147 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1540 6158 1001 AT&T WorldNet Services
2386 1109 586 734 AT&T Data Communications Serv
4323 1058 820 299 Time Warner Telecom
6197 1018 636 498 BellSouth Network Solutions,
18566 983 272 8 Covad Communications
174 959 6807 873 Cogent Communications
701 936 6691 759 UUNET Technologies, Inc.
11492 863 98 13 Cable One
1239 821 2729 577 Sprint
19262 804 2496 181 Verizon Global Networks
721 779 21885 292 DLA Systems Automation Center
20115 767 667 406 Charter Communications
209 716 3763 563 Qwest
22773 711 1744 40 Cox Communications, Inc.
7011 686 211 431 Citizens Utilities
852 603 1092 391 Telus Advanced Communications
19916 567 48 57 OLM LLC
6198 549 535 257 BellSouth Network Solutions,
5668 547 161 19 CenturyTel Internet Holdings,
855 538 250 73 Canadian Research Network
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 546 1912 425 UUNET - Commercial IP service
3301 310 1199 292 TeliaNet Sweden
3320 300 4994 248 Deutsche Telekom AG
24863 294 44 26 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.
9116 231 134 23 Goldenlines main autonomous s
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 202 353 192 Song Networks
8551 198 197 24 Bezeq International
3300 179 171 96 AUCS Communications Services
3352 175 1767 31 Ibernet, Internet Access Netw
12479 175 578 6 Uni2 Autonomous System
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 2000 200 UniNet S.A. de C.V.
11830 482 299 19 Instituto Costarricense de El
22047 475 206 11 VTR PUNTO NET S.A.
11172 385 104 74 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
14117 258 16 13 Telefonica del Sur S.A.
6471 257 74 31 ENTEL CHILE S.A.
7303 226 101 38 Telecom Argentina Stet-France
6147 224 181 19 Telefonica Del Peru
6503 217 170 94 AVANTEL, S.A.
11556 204 101 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
19169 139 9 22 Telconet
19429 138 84 34 E.T.B.
18822 129 8 10 TELEFONICA MANQUEHUE
14522 128 20 9 SatNet S.A.
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 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 136 297 111 Tertiary Education Network
5536 124 8 11 Internet Egypt Network
24835 116 48 6 RAYA Telecom - Egypt
33783 109 6 4 EEPAD TISP TELECOM & INTERNET
2905 84 175 73 The Internetworking Company o
2561 60 6 2 Egyptian Universities Network
23889 56 13 15 MAURITIUS TELECOM
15706 55 12 4 Sudatel Internet Exchange Aut
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
9583 1043 1027 Sify Limited
4134 1257 993 CHINANET-BACKBONE
18566 983 975 Covad Communications
4755 1040 973 Videsh Sanchar Nigam Ltd. Aut
11492 863 850 Cable One
9498 896 833 BHARTI BT INTERNET LTD.
4323 1058 759 Time Warner Telecom
22773 711 671 Cox Communications, Inc.
19262 804 623 Verizon Global Networks
8151 817 617 UniNet S.A. de C.V.
17488 565 544 Hathway IP Over Cable Interne
5668 547 528 CenturyTel Internet Holdings,
6197 1018 520 BellSouth Network Solutions,
19916 567 510 OLM LLC
721 779 487 DLA Systems Automation Center
7545 554 480 TPG Internet Pty Ltd
855 538 465 Canadian Research Network
15270 500 465 PaeTec.net -a division of Pae
18101 491 464 Reliance Infocom Ltd Internet
22047 475 464 VTR PUNTO NET S.A.
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 /8:20 /9:10 /10:13 /11:30 /12:114
/13:228 /14:407 /15:795 /16:9088 /17:3606 /18:5879
/19:12869 /20:14461 /21:12873 /22:16420 /23:17844 /24:110154
/25:629 /26:451 /27:356 /28:70 /29:42 /30:87
/31:0 /32:23
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 966 983 Covad Communications
9583 870 1043 Sify Limited
11492 849 863 Cable One
7018 832 1540 AT&T WorldNet Services
2386 827 1109 AT&T Data Communications Serv
6197 794 1018 BellSouth Network Solutions,
23577 754 768 KRNIC
7011 591 686 Citizens Utilities
19916 562 567 OLM LLC
4766 561 752 Korea Telecom (KIX)
9498 560 896 BHARTI BT INTERNET LTD.
4755 482 1040 Videsh Sanchar Nigam Ltd. Aut
15270 468 500 PaeTec.net -a division of Pae
855 435 538 Canadian Research Network
18101 425 491 Reliance Infocom Ltd Internet
5668 420 547 CenturyTel Internet Holdings,
1239 403 821 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 8:61 9:1 12:1651 13:1 15:15
16:3 17:3 18:5 20:35 24:855 25:1
32:53 38:274 40:57 41:57 44:2 47:10
52:4 53:1 55:1 56:3 57:25 58:275
59:353 60:218 61:979 62:1060 63:1893 64:3180
65:2297 66:3096 67:690 68:656 69:1689 70:402
71:130 72:1106 74:120 75:49 76:16 80:794
81:761 82:669 83:389 84:477 85:774 86:404
87:456 88:257 89:715 90:1 91:77 97:1
121:112 122:49 123:9 124:504 125:723 128:303
129:218 130:133 131:313 132:49 133:9 134:177
135:43 136:173 137:114 138:189 139:51 140:526
141:133 142:347 143:213 144:262 145:67 146:312
147:141 148:364 149:171 150:111 151:118 152:89
153:118 154:5 155:247 156:146 157:152 158:166
159:139 160:99 161:94 162:224 163:160 164:239
165:237 166:243 167:283 168:481 169:123 170:376
171:12 172:1 189:29 190:310 192:5724 193:3624
194:2880 195:2178 196:928 198:3772 199:3269 200:4740
201:937 202:6921 203:7172 204:3964 205:2090 206:2432
207:2909 208:2373 209:3583 210:2251 211:883 212:1314
213:1447 214:387 215:39 216:4079 217:1160 218:343
219:261 220:831 221:379 222:266
End of report
Report Website: http://thyme.apnic.net
