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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Sun 24 Sep, 2006
Analysis Summary
----------------
BGP routing table entries examined: 198075
Prefixes after maximum aggregation: 108188
Unique aggregates announced to Internet: 96313
Total ASes present in the Internet Routing Table: 23171
Origin-only ASes present in the Internet Routing Table: 20198
Origin ASes announcing only one prefix: 9693
Transit ASes present in the Internet Routing Table: 2973
Transit-only ASes present in the Internet Routing Table: 71
Average AS path length visible in the Internet Routing Table: 3.5
Max AS path length visible: 29
Max AS path prepend of ASN (36728) 27
Prefixes from unregistered ASNs in the Routing Table: 11
Unregistered ASNs in the Routing Table: 10
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1592535308
Equivalent to 94 /8s, 236 /16s and 41 /24s
Percentage of available address space announced: 43.0
Percentage of allocated address space announced: 61.0
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 98908
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 43585
Total APNIC prefixes after maximum aggregation: 17518
Prefixes being announced from the APNIC address blocks: 41191
Unique aggregates announced from the APNIC address blocks: 18442
APNIC Region origin ASes present in the Internet Routing Table: 2700
APNIC Region origin ASes announcing only one prefix: 760
APNIC Region transit ASes present in the Internet Routing Table: 404
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 262514784
Equivalent to 15 /8s, 165 /16s and 168 /24s
Percentage of available APNIC address space announced: 82.1
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: 99816
Total ARIN prefixes after maximum aggregation: 59304
Prefixes being announced from the ARIN address blocks: 73377
Unique aggregates announced from the ARIN address blocks: 27776
ARIN Region origin ASes present in the Internet Routing Table: 10992
ARIN Region origin ASes announcing only one prefix: 4167
ARIN Region transit ASes present in the Internet Routing Table: 1012
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 301868288
Equivalent to 17 /8s, 254 /16s and 37 /24s
Percentage of available ARIN address space announced: 78.2
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: 40143
Total RIPE prefixes after maximum aggregation: 26663
Prefixes being announced from the RIPE address blocks: 37079
Unique aggregates announced from the RIPE address blocks: 24960
RIPE Region origin ASes present in the Internet Routing Table: 8519
RIPE Region origin ASes announcing only one prefix: 4468
RIPE Region transit ASes present in the Internet Routing Table: 1376
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 266126244
Equivalent to 15 /8s, 220 /16s and 195 /24s
Percentage of available RIPE address space announced: 72.1
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, 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: 12214
Total LACNIC prefixes after maximum aggregation: 3788
Prefixes being announced from the LACNIC address blocks: 10220
Unique aggregates announced from the LACNIC address blocks: 6109
LACNIC Region origin ASes present in the Internet Routing Table: 729
LACNIC Region origin ASes announcing only one prefix: 250
LACNIC Region transit ASes present in the Internet Routing Table: 126
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 22
Number of LACNIC addresses announced to Internet: 32748288
Equivalent to 1 /8s, 243 /16s and 179 /24s
Percentage of available LACNIC address space announced: 48.8
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: 2306
Total AfriNIC prefixes after maximum aggregation: 915
Prefixes being announced from the AfriNIC address blocks: 1603
Unique aggregates announced from the AfriNIC address blocks: 1048
AfriNIC Region origin ASes present in the Internet Routing Table: 160
AfriNIC Region origin ASes announcing only one prefix: 48
AfriNIC Region transit ASes present in the Internet Routing Table: 24
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 4239104
Equivalent to 0 /8s, 64 /16s and 175 /24s
Percentage of available AfriNIC address space announced: 12.6
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 1239 8156 238 CHINANET-BACKBONE
4755 996 255 66 Videsh Sanchar Nigam Ltd. Aut
9583 955 109 19 Sify Limited
9498 852 212 72 BHARTI BT INTERNET LTD.
4766 740 4436 307 Korea Telecom (KIX)
1221 609 1780 467 Telstra Pty Ltd
7545 540 124 74 TPG Internet Pty Ltd
17488 534 33 12 Hathway IP Over Cable Interne
17676 499 10933 63 Softbank BB Corp.
9443 454 111 74 Primus Telecommunications
18101 454 85 18 Reliance Infocom Ltd Internet
9942 430 77 126 COMindico Australia
17849 424 31 127 Telecommunications Technology
4802 411 84 150 Wantree Development
4812 397 741 61 China Telecom (Shanghai)
17974 367 129 12 PT TELEKOMUNIKASI INDONESIA
17557 339 27 165 Pakistan Telecom
2907 337 1734 313 SINET Japan
10139 334 23 6 Meridian Telekoms
4837 323 3554 139 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1521 6276 990 AT&T WorldNet Services
6197 1030 640 479 BellSouth Network Solutions,
2386 1023 568 772 AT&T Data Communications Serv
4323 1021 782 289 Time Warner Telecom
721 979 21909 305 DLA Systems Automation Center
174 971 6825 901 Cogent Communications
18566 962 272 8 Covad Communications
701 949 6742 779 UUNET Technologies, Inc.
1239 841 2763 591 Sprint
19262 743 2328 186 Verizon Global Networks
11492 742 90 13 Cable One
20115 741 663 385 Charter Communications
22773 706 1744 46 Cox Communications, Inc.
209 705 3631 555 Qwest
7011 667 207 421 Citizens Utilities
852 588 1070 386 Telus Advanced Communications
6478 586 1265 381 AT&T Worldnet Services
19916 565 49 54 OLM LLC
855 552 249 74 Canadian Research Network
5668 535 145 18 CenturyTel Internet Holdings,
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 546 1929 426 UUNET - Commercial IP service
3301 315 1186 299 TeliaNet Sweden
3320 297 5013 242 Deutsche Telekom AG
8220 279 455 265 COLT Telecommunications
24863 273 41 30 LINKdotNET AS number
680 249 2041 245 DFN-IP service G-WiN
6746 238 90 217 Dynamic Network Technologies,
3246 228 469 218 Song Networks
9116 226 134 23 Goldenlines main autonomous s
1257 222 740 169 SWIPnet Swedish IP Network
8708 216 278 203 Romania Data Systems S.A.
3215 208 1832 96 France Telecom Transpac
3269 204 2262 74 TELECOM ITALIA
8551 202 182 27 Bezeq International
30890 201 18 79 SC Kappa Invexim SRL
6830 198 879 43 UPC Distribution Services
8866 186 37 15 Bulgarian Telecommunication C
5416 180 12 11 BATELCO-BH
3300 174 171 97 AUCS Communications Services
786 172 1779 172 The JANET IP Service
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 641 1811 225 UniNet S.A. de C.V.
11172 372 98 90 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
22047 303 206 11 VTR PUNTO NET S.A.
6147 275 142 23 Telefonica Del Peru
6471 256 74 30 ENTEL CHILE S.A.
14117 216 13 7 Telefonica del Sur S.A.
7303 188 88 19 Telecom Argentina Stet-France
6503 182 167 83 AVANTEL, S.A.
10481 181 72 8 Prima S.A.
23216 144 21 10 RAMtelecom Telecomunicaciones
21826 141 18 25 INTERCABLE
7910 139 9 14 ANDINET ON LINE
19169 136 9 21 Telconet
19429 135 83 37 E.T.B.
11556 132 96 4 Cable-Wireless Panama
18822 129 8 10 TELEFONICA MANQUEHUE
14522 116 18 9 SatNet S.A.
7738 113 410 20 Telecomunicacoes da Bahia S.A
14259 112 10 15 GTD Internet S.A.
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 288 803 232 The Internet Solution
8452 171 60 7 TEDATA
6713 144 135 11 Itissalat Al-MAGHRIB
15475 141 84 4 Nile Online
2018 135 297 111 Tertiary Education Network
5536 121 8 18 Internet Egypt Network
24835 116 48 6 RAYA Telecom - Egypt
33783 107 6 2 EEPAD TISP TELECOM & INTERNET
2905 80 159 71 The Internetworking Company o
2561 55 6 2 Egyptian Universities Network
15706 55 12 4 Sudatel Internet Exchange Aut
5713 36 293 32 Telkom SA Ltd
33774 32 7 20 AS Number for Telecom Algeria
23889 26 8 11 MAURITIUS TELECOM
16637 25 19 23 Johnnic e-Ventures
21280 24 4 4 Swift Global Kenya Ltd.Is an
10798 23 1 14 Standard Bank of South Africa
8524 22 1 5 AUCEGYPT Autonomous System
21491 22 17 2 UTL On-line is RF broadband I
33766 21 2 1 Nyala Communications Pty Ltd
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1239 1001 CHINANET-BACKBONE
18566 962 954 Covad Communications
9583 955 936 Sify Limited
4755 996 930 Videsh Sanchar Nigam Ltd. Aut
9498 852 780 BHARTI BT INTERNET LTD.
4323 1021 732 Time Warner Telecom
11492 742 729 Cable One
721 979 674 DLA Systems Automation Center
22773 706 660 Cox Communications, Inc.
19262 743 557 Verizon Global Networks
6197 1030 551 BellSouth Network Solutions,
17488 534 522 Hathway IP Over Cable Interne
5668 535 517 CenturyTel Internet Holdings,
19916 565 511 OLM LLC
855 552 478 Canadian Research Network
7545 540 466 TPG Internet Pty Ltd
17676 499 436 Softbank BB Corp.
18101 454 436 Reliance Infocom Ltd Internet
4766 740 433 Korea Telecom (KIX)
15270 464 429 PaeTec.net -a division of Pae
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65450 PRIVATE 170.65.44.0/24 2009 INFONET
65450 PRIVATE 170.65.45.0/24 2009 INFONET
65450 PRIVATE 170.65.46.0/24 2009 INFONET
65450 PRIVATE 170.65.47.0/24 2009 INFONET
64900 PRIVATE 170.65.90.0/24 2005 INFONET
65120 PRIVATE 170.65.186.0/24 2009 INFONET
65102 PRIVATE 170.65.190.0/24 2009 INFONET
64900 PRIVATE 170.65.193.0/24 2005 INFONET
64900 PRIVATE 170.65.194.0/24 2005 INFONET
64900 PRIVATE 170.65.195.0/24 2005 INFONET
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
192.44.0.0/24 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 /10:13 /11:31 /12:106
/13:212 /14:384 /15:760 /16:9019 /17:3477 /18:5677
/19:12283 /20:13852 /21:12190 /22:15440 /23:16858 /24:106543
/25:425 /26:353 /27:188 /28:65 /29:40 /30:85
/31:0 /32:47
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 945 962 Covad Communications
6197 809 1030 BellSouth Network Solutions,
7018 792 1521 AT&T WorldNet Services
9583 782 955 Sify Limited
2386 739 1023 AT&T Data Communications Serv
11492 730 742 Cable One
7011 572 667 Citizens Utilities
19916 559 565 OLM LLC
4766 549 740 Korea Telecom (KIX)
9498 509 852 BHARTI BT INTERNET LTD.
15270 433 464 PaeTec.net -a division of Pae
855 432 552 Canadian Research Network
4755 429 996 Videsh Sanchar Nigam Ltd. Aut
5668 418 535 CenturyTel Internet Holdings,
17849 412 424 Telecommunications Technology
1239 409 841 Sprint
18101 388 454 Reliance Infocom Ltd Internet
22773 372 706 Cox Communications, Inc.
33588 370 391 Bresnan Communications, LLC.
17488 354 534 Hathway IP Over Cable Interne
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:50 12:1651 13:1 15:16 16:3
17:3 18:4 20:41 24:822 25:1 32:53
38:256 40:56 41:18 44:3 47:6 52:4
55:1 56:3 57:24 58:233 59:266 60:185
61:901 62:927 63:1890 64:3095 65:2237 66:3053
67:641 68:656 69:1635 70:393 71:87 72:932
74:79 75:7 80:822 81:683 82:597 83:395
84:401 85:649 86:420 87:460 88:191 89:472
121:34 122:14 123:1 124:377 125:637 128:148
129:220 130:119 131:307 132:37 133:9 134:167
135:51 136:176 137:97 138:224 139:45 140:432
141:134 142:363 143:192 144:243 145:42 146:319
147:134 148:361 149:174 150:114 151:121 152:76
153:122 154:5 155:231 156:158 157:196 158:156
159:174 160:98 161:85 162:218 163:167 164:231
165:225 166:237 167:249 168:487 169:129 170:381
171:11 172:1 190:207 192:5732 193:3487 194:2723
195:2072 196:874 198:3878 199:3314 200:4458 201:932
202:6912 203:7142 204:3929 205:2088 206:2434 207:2911
208:2297 209:3496 210:2180 211:834 212:1326 213:1461
214:376 215:40 216:4025 217:1151 218:337 219:257
220:796 221:383 222:231
End of report
Report Website: http://thyme.apnic.net
