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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Mon 18 Dec, 2006
Analysis Summary
----------------
BGP routing table entries examined: 206110
Prefixes after maximum aggregation: 111962
Unique aggregates announced to Internet: 100675
Total ASes present in the Internet Routing Table: 23932
Origin-only ASes present in the Internet Routing Table: 20864
Origin ASes announcing only one prefix: 10043
Transit ASes present in the Internet Routing Table: 3068
Transit-only ASes present in the Internet Routing Table: 74
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: 1646530092
Equivalent to 98 /8s, 36 /16s and 14 /24s
Percentage of available address space announced: 44.4
Percentage of allocated address space announced: 63.0
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 104843
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 45691
Total APNIC prefixes after maximum aggregation: 18713
Prefixes being announced from the APNIC address blocks: 43254
Unique aggregates announced from the APNIC address blocks: 19450
APNIC Region origin ASes present in the Internet Routing Table: 2803
APNIC Region origin ASes announcing only one prefix: 785
APNIC Region transit ASes present in the Internet Routing Table: 421
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 272156384
Equivalent to 16 /8s, 56 /16s and 198 /24s
Percentage of available APNIC address space announced: 85.1
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: 101948
Total ARIN prefixes after maximum aggregation: 60400
Prefixes being announced from the ARIN address blocks: 75023
Unique aggregates announced from the ARIN address blocks: 28574
ARIN Region origin ASes present in the Internet Routing Table: 11225
ARIN Region origin ASes announcing only one prefix: 4279
ARIN Region transit ASes present in the Internet Routing Table: 1027
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 310864512
Equivalent to 18 /8s, 135 /16s and 106 /24s
Percentage of available ARIN address space announced: 68.6
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, 96/6, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 42621
Total RIPE prefixes after maximum aggregation: 27903
Prefixes being announced from the RIPE address blocks: 39447
Unique aggregates announced from the RIPE address blocks: 26159
RIPE Region origin ASes present in the Internet Routing Table: 8910
RIPE Region origin ASes announcing only one prefix: 4682
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: 28
Number of RIPE addresses announced to Internet: 281479812
Equivalent to 16 /8s, 199 /16s and 10 /24s
Percentage of available RIPE address space announced: 76.3
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: 13343
Total LACNIC prefixes after maximum aggregation: 3997
Prefixes being announced from the LACNIC address blocks: 11400
Unique aggregates announced from the LACNIC address blocks: 7007
LACNIC Region origin ASes present in the Internet Routing Table: 751
LACNIC Region origin ASes announcing only one prefix: 248
LACNIC Region transit ASes present in the Internet Routing Table: 135
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 35438848
Equivalent to 2 /8s, 28 /16s and 193 /24s
Percentage of available LACNIC address space announced: 52.8
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: 2506
Total AfriNIC prefixes after maximum aggregation: 949
Prefixes being announced from the AfriNIC address blocks: 1751
Unique aggregates announced from the AfriNIC address blocks: 1132
AfriNIC Region origin ASes present in the Internet Routing Table: 169
AfriNIC Region origin ASes announcing only one prefix: 49
AfriNIC Region transit ASes present in the Internet Routing Table: 29
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 4791552
Equivalent to 0 /8s, 73 /16s and 29 /24s
Percentage of available AfriNIC address space announced: 14.3
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 1245 8595 253 CHINANET-BACKBONE
9583 1031 97 148 Sify Limited
4755 931 383 65 Videsh Sanchar Nigam Ltd. Aut
9498 901 212 65 BHARTI BT INTERNET LTD.
23577 772 34 702 KRNIC
4766 747 4946 307 Korea Telecom (KIX)
1221 574 1698 443 Telstra Pty Ltd
17488 556 35 20 Hathway IP Over Cable Interne
7545 553 126 74 TPG Internet Pty Ltd
17676 503 10935 66 Softbank BB Corp.
18101 480 87 22 Reliance Infocom Ltd Internet
9443 442 111 74 Primus Telecommunications
4812 435 758 69 China Telecom (Shanghai)
9942 435 81 130 COMindico Australia
17849 411 36 126 Telecommunications Technology
4802 405 86 146 Wantree Development
17557 370 36 178 Pakistan Telecom
17974 349 129 12 PT TELEKOMUNIKASI INDONESIA
2907 331 1748 308 SINET Japan
4837 329 3847 145 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1536 6174 997 AT&T WorldNet Services
2386 1109 586 734 AT&T Data Communications Serv
4323 1058 820 299 Time Warner Telecom
6197 1020 638 505 BellSouth Network Solutions,
18566 984 272 8 Covad Communications
174 961 6823 877 Cogent Communications
701 944 6691 761 UUNET Technologies, Inc.
11492 846 98 12 Cable One
1239 828 2730 579 Sprint
19262 788 2480 182 Verizon Global Networks
721 781 21885 292 DLA Systems Automation Center
20115 766 666 405 Charter Communications
209 712 3763 562 Qwest
22773 706 1744 40 Cox Communications, Inc.
7011 695 211 431 Citizens Utilities
852 603 1092 391 Telus Advanced Communications
19916 567 48 57 OLM LLC
6198 550 535 257 BellSouth Network Solutions,
5668 546 161 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 309 1199 293 TeliaNet Sweden
3320 296 4992 244 Deutsche Telekom AG
24863 293 44 26 LINKdotNET AS number
8220 272 474 262 COLT Telecommunications
6746 263 93 241 Dynamic Network Technologies,
680 252 2041 248 DFN-IP service G-WiN
9116 234 134 23 Goldenlines main autonomous s
3215 230 2104 96 France Telecom Transpac
8708 228 281 215 Romania Data Systems S.A.
1257 218 1069 171 SWIPnet Swedish IP Network
30890 210 19 88 SC Kappa Invexim SRL
3269 208 2357 75 TELECOM ITALIA
5416 205 13 9 BATELCO-BH
3246 202 353 192 Song Networks
8551 193 191 36 Bezeq International
3300 179 171 97 AUCS Communications Services
6830 178 695 38 UPC Distribution Services
3352 174 1751 30 Ibernet, Internet Access Netw
786 172 1795 172 The JANET IP Service
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 775 1937 206 UniNet S.A. de C.V.
11830 484 299 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.
6471 258 74 31 ENTEL CHILE S.A.
14117 258 16 13 Telefonica del Sur S.A.
7303 227 102 35 Telecom Argentina Stet-France
6503 217 170 94 AVANTEL, S.A.
6147 209 150 20 Telefonica Del Peru
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 139 10 35 ANDINET ON LINE
19169 139 9 22 Telconet
19429 138 84 34 E.T.B.
14522 129 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 289 868 231 The Internet Solution
8452 225 60 7 TEDATA
15475 148 84 4 Nile Online
6713 144 135 11 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 109 6 4 EEPAD TISP TELECOM & INTERNET
2905 84 175 73 The Internetworking Company o
2561 57 6 2 Egyptian Universities Network
15706 55 12 4 Sudatel Internet Exchange Aut
23889 50 13 18 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
10798 23 1 14 Standard Bank of South Africa
33766 21 2 1 Nyala Communications Pty Ltd
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1245 992 CHINANET-BACKBONE
18566 984 976 Covad Communications
9583 1031 883 Sify Limited
4755 931 866 Videsh Sanchar Nigam Ltd. Aut
9498 901 836 BHARTI BT INTERNET LTD.
11492 846 834 Cable One
4323 1058 759 Time Warner Telecom
22773 706 666 Cox Communications, Inc.
19262 788 606 Verizon Global Networks
8151 775 569 UniNet S.A. de C.V.
17488 556 536 Hathway IP Over Cable Interne
5668 546 527 CenturyTel Internet Holdings,
6197 1020 515 BellSouth Network Solutions,
19916 567 510 OLM LLC
721 781 489 DLA Systems Automation Center
7545 553 479 TPG Internet Pty Ltd
855 538 465 Canadian Research Network
11830 484 465 Instituto Costarricense de El
15270 494 460 PaeTec.net -a division of Pae
18101 480 458 Reliance Infocom Ltd Internet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
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 /12:113
/13:227 /14:404 /15:799 /16:9089 /17:3628 /18:5869
/19:12757 /20:14412 /21:12835 /22:16335 /23:17848 /24:110041
/25:626 /26:467 /27:362 /28:72 /29:44 /30:87
/31:0 /32:23
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 967 984 Covad Communications
9583 863 1031 Sify Limited
11492 832 846 Cable One
2386 826 1109 AT&T Data Communications Serv
7018 824 1536 AT&T WorldNet Services
6197 796 1020 BellSouth Network Solutions,
23577 758 772 KRNIC
7011 600 695 Citizens Utilities
19916 562 567 OLM LLC
4766 556 747 Korea Telecom (KIX)
9498 555 901 BHARTI BT INTERNET LTD.
15270 464 494 PaeTec.net -a division of Pae
855 435 538 Canadian Research Network
5668 420 546 CenturyTel Internet Holdings,
18101 414 480 Reliance Infocom Ltd Internet
1239 409 828 Sprint
17849 397 411 Telecommunications Technology
4755 392 931 Videsh Sanchar Nigam Ltd. Aut
33588 392 415 Bresnan Communications, LLC.
6198 388 550 BellSouth Network Solutions,
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:61 9:1 12:1650 13:1 15:15
16:3 17:3 18:5 20:34 24:839 25:1
32:55 38:271 40:57 41:49 44:2 47:10
52:4 53:1 55:1 56:3 57:25 58:269
59:321 60:221 61:961 62:1048 63:1894 64:3193
65:2291 66:3130 67:685 68:654 69:1710 70:404
71:114 72:1056 74:117 75:49 76:13 80:818
81:768 82:654 83:397 84:486 85:759 86:413
87:435 88:249 89:676 90:2 91:99 97:1
121:98 122:42 123:3 124:492 125:727 128:430
129:209 130:132 131:317 132:48 133:9 134:177
135:42 136:180 137:113 138:189 139:50 140:529
141:135 142:347 143:211 144:255 145:67 146:321
147:141 148:370 149:170 150:110 151:118 152:88
153:117 154:5 155:246 156:146 157:151 158:167
159:141 160:99 161:88 162:225 163:158 164:238
165:236 166:243 167:273 168:479 169:123 170:387
171:12 172:1 189:29 190:301 192:5730 193:3619
194:2860 195:2158 196:918 198:3770 199:3280 200:4571
201:945 202:7054 203:7213 204:3952 205:2097 206:2420
207:2902 208:2360 209:3583 210:2229 211:876 212:1342
213:1473 214:383 215:39 216:4093 217:1155 218:340
219:261 220:812 221:385 222:249
End of report
Report Website: http://thyme.apnic.net
