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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Tue 26 Sep, 2006
Analysis Summary
----------------
BGP routing table entries examined: 198614
Prefixes after maximum aggregation: 108387
Unique aggregates announced to Internet: 96607
Total ASes present in the Internet Routing Table: 23184
Origin-only ASes present in the Internet Routing Table: 20210
Origin ASes announcing only one prefix: 9692
Transit ASes present in the Internet Routing Table: 2974
Transit-only ASes present in the Internet Routing Table: 70
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: 8
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: 1592811532
Equivalent to 94 /8s, 240 /16s and 96 /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: 99346
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 43680
Total APNIC prefixes after maximum aggregation: 17585
Prefixes being announced from the APNIC address blocks: 41244
Unique aggregates announced from the APNIC address blocks: 18678
APNIC Region origin ASes present in the Internet Routing Table: 2703
APNIC Region origin ASes announcing only one prefix: 761
APNIC Region transit ASes present in the Internet Routing Table: 408
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 262586464
Equivalent to 15 /8s, 166 /16s and 192 /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: 100153
Total ARIN prefixes after maximum aggregation: 59403
Prefixes being announced from the ARIN address blocks: 73581
Unique aggregates announced from the ARIN address blocks: 27743
ARIN Region origin ASes present in the Internet Routing Table: 11005
ARIN Region origin ASes announcing only one prefix: 4168
ARIN Region transit ASes present in the Internet Routing Table: 1011
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 301966336
Equivalent to 17 /8s, 255 /16s and 164 /24s
Percentage of available ARIN address space announced: 78.3
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: 40253
Total RIPE prefixes after maximum aggregation: 26696
Prefixes being announced from the RIPE address blocks: 37180
Unique aggregates announced from the RIPE address blocks: 24976
RIPE Region origin ASes present in the Internet Routing Table: 8518
RIPE Region origin ASes announcing only one prefix: 4465
RIPE Region transit ASes present in the Internet Routing Table: 1377
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 266294692
Equivalent to 15 /8s, 223 /16s and 85 /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: 12210
Total LACNIC prefixes after maximum aggregation: 3788
Prefixes being announced from the LACNIC address blocks: 10217
Unique aggregates announced from the LACNIC address blocks: 6105
LACNIC Region origin ASes present in the Internet Routing Table: 728
LACNIC Region origin ASes announcing only one prefix: 250
LACNIC Region transit ASes present in the Internet Routing Table: 125
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 22
Number of LACNIC addresses announced to Internet: 32747008
Equivalent to 1 /8s, 243 /16s and 174 /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: 2310
Total AfriNIC prefixes after maximum aggregation: 915
Prefixes being announced from the AfriNIC address blocks: 1622
Unique aggregates announced from the AfriNIC address blocks: 1078
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: 25
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 11
Number of AfriNIC addresses announced to Internet: 4242688
Equivalent to 0 /8s, 64 /16s and 189 /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 1238 8156 237 CHINANET-BACKBONE
4755 991 255 66 Videsh Sanchar Nigam Ltd. Aut
9583 943 108 64 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 429 77 125 COMindico Australia
17849 424 31 127 Telecommunications Technology
4802 411 84 150 Wantree Development
4812 399 741 61 China Telecom (Shanghai)
17974 375 129 12 PT TELEKOMUNIKASI INDONESIA
17557 360 29 175 Pakistan Telecom
2907 337 1734 313 SINET Japan
10139 337 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 1516 6275 986 AT&T WorldNet Services
2386 1033 570 782 AT&T Data Communications Serv
6197 1030 640 479 BellSouth Network Solutions,
4323 1021 782 289 Time Warner Telecom
721 979 21909 306 DLA Systems Automation Center
174 973 6825 903 Cogent Communications
18566 962 272 8 Covad Communications
701 948 6742 778 UUNET Technologies, Inc.
1239 840 2763 591 Sprint
19262 744 2336 187 Verizon Global Networks
11492 742 90 13 Cable One
20115 741 663 385 Charter Communications
22773 709 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 534 145 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
680 251 2041 247 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 181 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 640 1811 226 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 255 74 30 ENTEL CHILE S.A.
14117 216 13 7 Telefonica del Sur S.A.
7303 188 88 19 Telecom Argentina Stet-France
6503 183 167 83 AVANTEL, S.A.
10481 181 72 8 Prima S.A.
23216 144 21 10 RAMtelecom Telecomunicaciones
21826 141 18 25 INTERCABLE
7910 138 9 18 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 172 60 7 TEDATA
6713 144 135 11 Itissalat Al-MAGHRIB
15475 141 84 4 Nile Online
2018 133 297 111 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
21491 23 17 2 UTL On-line is RF broadband I
8524 22 1 5 AUCEGYPT Autonomous System
33766 21 2 1 Nyala Communications Pty Ltd
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1238 1001 CHINANET-BACKBONE
18566 962 954 Covad Communications
4755 991 925 Videsh Sanchar Nigam Ltd. Aut
9583 943 879 Sify Limited
9498 852 780 BHARTI BT INTERNET LTD.
4323 1021 732 Time Warner Telecom
11492 742 729 Cable One
721 979 673 DLA Systems Automation Center
22773 709 663 Cox Communications, Inc.
19262 744 557 Verizon Global Networks
6197 1030 551 BellSouth Network Solutions,
17488 534 522 Hathway IP Over Cable Interne
5668 534 516 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
65120 PRIVATE 170.65.186.0/24 2009 INFONET
65102 PRIVATE 170.65.190.0/24 2009 INFONET
65068 PRIVATE 196.21.26.0/24 2018 Tertiary Education N
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 /15:762 /16:9020 /17:3482 /18:5682
/19:12288 /20:13858 /21:12198 /22:15480 /23:16862 /24:106915
/25:427 /26:434 /27:188 /28:65 /29:42 /30:90
/31:0 /32:48
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 1516 AT&T WorldNet Services
9583 775 943 Sify Limited
2386 750 1033 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 426 991 Videsh Sanchar Nigam Ltd. Aut
5668 417 534 CenturyTel Internet Holdings,
17849 412 424 Telecommunications Technology
1239 409 840 Sprint
18101 388 454 Reliance Infocom Ltd Internet
22773 372 709 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 12:1657 13:1 15:16 16:3
17:3 18:4 20:41 24:819 25:1 32:57
38:256 40:56 41:19 44:3 47:6 52:4
55:1 56:3 57:25 58:232 59:266 60:184
61:903 62:922 63:1899 64:3095 65:2241 66:3059
67:644 68:656 69:1638 70:393 71:89 72:930
74:79 75:7 80:823 81:684 82:596 83:406
84:401 85:654 86:418 87:459 88:188 89:474
121:35 122:14 123:1 124:378 125:642 128:148
129:230 130:119 131:310 132:37 133:9 134:167
135:51 136:177 137:97 138:224 139:51 140:552
141:134 142:361 143:192 144:245 145:42 146:319
147:136 148:357 149:174 150:114 151:119 152:76
153:122 154:5 155:231 156:158 157:196 158:156
159:175 160:98 161:85 162:218 163:168 164:231
165:224 166:236 167:248 168:488 169:129 170:377
171:11 172:1 190:207 192:5741 193:3491 194:2736
195:2068 196:896 198:3883 199:3321 200:4453 201:934
202:6912 203:7155 204:3931 205:2100 206:2437 207:2944
208:2304 209:3495 210:2173 211:835 212:1367 213:1486
214:377 215:40 216:4034 217:1150 218:334 219:259
220:796 221:384 222:231
End of report
Report Website: http://thyme.apnic.net
