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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Fri 20 Oct, 2006
Analysis Summary
----------------
BGP routing table entries examined: 201101
Prefixes after maximum aggregation: 109019
Unique aggregates announced to Internet: 97701
Total ASes present in the Internet Routing Table: 23407
Origin-only ASes present in the Internet Routing Table: 20393
Origin ASes announcing only one prefix: 9809
Transit ASes present in the Internet Routing Table: 3014
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: 4
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1616945772
Equivalent to 96 /8s, 96 /16s and 162 /24s
Percentage of available address space announced: 43.6
Percentage of allocated address space announced: 60.3
Percentage of available address space allocated: 72.3
Total number of prefixes smaller than registry allocations: 101101
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 43972
Total APNIC prefixes after maximum aggregation: 17622
Prefixes being announced from the APNIC address blocks: 41566
Unique aggregates announced from the APNIC address blocks: 18397
APNIC Region origin ASes present in the Internet Routing Table: 2721
APNIC Region origin ASes announcing only one prefix: 757
APNIC Region transit ASes present in the Internet Routing Table: 402
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 263587680
Equivalent to 15 /8s, 182 /16s and 7 /24s
Percentage of available APNIC address space announced: 82.4
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: 101005
Total ARIN prefixes after maximum aggregation: 59582
Prefixes being announced from the ARIN address blocks: 74214
Unique aggregates announced from the ARIN address blocks: 28007
ARIN Region origin ASes present in the Internet Routing Table: 11070
ARIN Region origin ASes announcing only one prefix: 4216
ARIN Region transit ASes present in the Internet Routing Table: 1034
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 305053312
Equivalent to 18 /8s, 46 /16s and 190 /24s
Percentage of available ARIN address space announced: 67.3
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, 96/6, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 40877
Total RIPE prefixes after maximum aggregation: 27014
Prefixes being announced from the RIPE address blocks: 37801
Unique aggregates announced from the RIPE address blocks: 25322
RIPE Region origin ASes present in the Internet Routing Table: 8641
RIPE Region origin ASes announcing only one prefix: 4544
RIPE Region transit ASes present in the Internet Routing Table: 1391
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 268813188
Equivalent to 16 /8s, 5 /16s and 195 /24s
Percentage of available RIPE address space announced: 72.8
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: 12904
Total LACNIC prefixes after maximum aggregation: 3875
Prefixes being announced from the LACNIC address blocks: 10895
Unique aggregates announced from the LACNIC address blocks: 6694
LACNIC Region origin ASes present in the Internet Routing Table: 738
LACNIC Region origin ASes announcing only one prefix: 245
LACNIC Region transit ASes present in the Internet Routing Table: 130
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 33282048
Equivalent to 1 /8s, 251 /16s and 216 /24s
Percentage of available LACNIC address space announced: 49.6
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: 2342
Total AfriNIC prefixes after maximum aggregation: 926
Prefixes being announced from the AfriNIC address blocks: 1644
Unique aggregates announced from the AfriNIC address blocks: 1090
AfriNIC Region origin ASes present in the Internet Routing Table: 163
AfriNIC Region origin ASes announcing only one prefix: 47
AfriNIC Region transit ASes present in the Internet Routing Table: 27
Average AfriNIC Region AS path length visible: 3.6
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 4301824
Equivalent to 0 /8s, 65 /16s and 164 /24s
Percentage of available AfriNIC address space announced: 12.8
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 1240 8192 237 CHINANET-BACKBONE
4755 1010 255 64 Videsh Sanchar Nigam Ltd. Aut
9583 953 109 15 Sify Limited
9498 862 212 64 BHARTI BT INTERNET LTD.
4766 743 4436 307 Korea Telecom (KIX)
1221 610 1780 469 Telstra Pty Ltd
7545 542 124 74 TPG Internet Pty Ltd
17488 538 33 13 Hathway IP Over Cable Interne
17676 499 10933 63 Softbank BB Corp.
18101 462 86 21 Reliance Infocom Ltd Internet
9443 454 111 74 Primus Telecommunications
9942 430 77 126 COMindico Australia
17849 430 36 126 Telecommunications Technology
4802 413 86 150 Wantree Development
4812 411 741 63 China Telecom (Shanghai)
17557 366 31 178 Pakistan Telecom
17974 365 129 12 PT TELEKOMUNIKASI INDONESIA
10139 345 23 6 Meridian Telekoms
2907 333 1733 310 SINET Japan
4837 324 3556 140 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1531 6210 989 AT&T WorldNet Services
2386 1178 617 750 AT&T Data Communications Serv
4323 1036 787 295 Time Warner Telecom
6197 1021 636 483 BellSouth Network Solutions,
18566 967 272 8 Covad Communications
174 961 6823 886 Cogent Communications
721 958 21925 306 DLA Systems Automation Center
701 955 6755 775 UUNET Technologies, Inc.
1239 837 2763 587 Sprint
11492 755 90 16 Cable One
20115 748 675 394 Charter Communications
19262 744 2410 177 Verizon Global Networks
22773 720 1744 46 Cox Communications, Inc.
209 709 3633 557 Qwest
7011 682 210 427 Citizens Utilities
852 592 1071 388 Telus Advanced Communications
19916 565 49 54 OLM LLC
855 539 250 74 Canadian Research Network
5668 538 145 18 CenturyTel Internet Holdings,
6478 533 1281 337 AT&T Worldnet Services
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 544 1928 424 UUNET - Commercial IP service
3301 313 1200 297 TeliaNet Sweden
3320 306 5016 247 Deutsche Telekom AG
8220 280 455 266 COLT Telecommunications
24863 273 41 30 LINKdotNET AS number
680 251 2041 247 DFN-IP service G-WiN
6746 245 91 223 Dynamic Network Technologies,
3246 228 469 218 Song Networks
9116 223 134 23 Goldenlines main autonomous s
8708 222 279 209 Romania Data Systems S.A.
8551 216 198 28 Bezeq International
3215 214 1872 93 France Telecom Transpac
1257 213 740 169 SWIPnet Swedish IP Network
3269 204 2277 74 TELECOM ITALIA
30890 204 18 79 SC Kappa Invexim SRL
6830 199 879 43 UPC Distribution Services
8866 191 37 15 Bulgarian Telecommunication C
5416 186 12 11 BATELCO-BH
12715 179 40 29 Jazz Telecom S.A.
3300 175 171 96 AUCS Communications Services
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 680 1842 224 UniNet S.A. de C.V.
11830 459 299 27 Instituto Costarricense de El
11172 432 100 87 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
22047 303 206 11 VTR PUNTO NET S.A.
6147 264 142 22 Telefonica Del Peru
6471 254 74 30 ENTEL CHILE S.A.
14117 235 15 8 Telefonica del Sur S.A.
7303 208 92 27 Telecom Argentina Stet-France
6503 186 169 86 AVANTEL, S.A.
10481 181 72 8 Prima S.A.
21826 145 19 30 INTERCABLE
7910 138 9 11 ANDINET ON LINE
23216 137 19 43 RAMtelecom Telecomunicaciones
19169 136 9 21 Telconet
19429 136 84 40 E.T.B.
11556 132 96 4 Cable-Wireless Panama
18822 129 8 10 TELEFONICA MANQUEHUE
14522 118 18 9 SatNet S.A.
7738 115 410 20 Telecomunicacoes da Bahia S.A
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 295 804 234 The Internet Solution
8452 173 60 7 TEDATA
6713 145 139 12 Itissalat Al-MAGHRIB
15475 133 84 4 Nile Online
2018 132 297 111 Tertiary Education Network
5536 122 8 17 Internet Egypt Network
24835 116 48 6 RAYA Telecom - Egypt
33783 108 6 3 EEPAD TISP TELECOM & INTERNET
2905 75 157 68 The Internetworking Company o
2561 55 6 2 Egyptian Universities Network
15706 55 12 4 Sudatel Internet Exchange Aut
12455 38 6 3 Jambonet Autonomous system
33774 35 7 21 AS Number for Telecom Algeria
5713 34 261 31 Telkom SA Ltd
8524 30 2 6 AUCEGYPT Autonomous System
23889 28 9 13 MAURITIUS TELECOM
21280 26 4 4 Swift Global Kenya Ltd.Is an
16637 24 19 23 Johnnic e-Ventures
10798 23 1 14 Standard Bank of South Africa
21491 23 17 2 UTL On-line is RF broadband I
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1240 1003 CHINANET-BACKBONE
18566 967 959 Covad Communications
4755 1010 946 Videsh Sanchar Nigam Ltd. Aut
9583 953 938 Sify Limited
9498 862 798 BHARTI BT INTERNET LTD.
4323 1036 741 Time Warner Telecom
11492 755 739 Cable One
22773 720 674 Cox Communications, Inc.
721 958 652 DLA Systems Automation Center
19262 744 567 Verizon Global Networks
6197 1021 538 BellSouth Network Solutions,
17488 538 525 Hathway IP Over Cable Interne
5668 538 520 CenturyTel Internet Holdings,
19916 565 511 OLM LLC
7545 542 468 TPG Internet Pty Ltd
855 539 465 Canadian Research Network
8151 680 456 UniNet S.A. de C.V.
18101 462 441 Reliance Infocom Ltd Internet
15270 473 438 PaeTec.net -a division of Pae
4766 743 436 Korea Telecom (KIX)
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
198.18.0.0/15 8895 KACST/ISU Riyadh Autonomous S
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 /8:19 /9:10 /10:13 /11:29 /12:107
/13:214 /14:386 /15:769 /16:9013 /17:3501 /18:5721
/19:12454 /20:14095 /21:12411 /22:15811 /23:17211 /24:107987
/25:465 /26:434 /27:196 /28:72 /29:47 /30:99
/31:0 /32:37
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 950 967 Covad Communications
2386 891 1178 AT&T Data Communications Serv
7018 808 1531 AT&T WorldNet Services
6197 801 1021 BellSouth Network Solutions,
9583 781 953 Sify Limited
11492 743 755 Cable One
7011 589 682 Citizens Utilities
19916 559 565 OLM LLC
4766 552 743 Korea Telecom (KIX)
9498 522 862 BHARTI BT INTERNET LTD.
4755 442 1010 Videsh Sanchar Nigam Ltd. Aut
15270 442 473 PaeTec.net -a division of Pae
855 434 539 Canadian Research Network
5668 420 538 CenturyTel Internet Holdings,
17849 416 430 Telecommunications Technology
1239 410 837 Sprint
18101 395 462 Reliance Infocom Ltd Internet
22773 380 720 Cox Communications, Inc.
33588 370 391 Bresnan Communications, LLC.
6517 358 385 Yipes Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 6:1 8:54 12:1634 13:1 15:16
16:3 17:3 18:4 20:37 24:818 25:1
32:57 38:257 40:57 41:22 44:3 47:7
52:4 53:1 55:1 56:3 57:25 58:228
59:299 60:221 61:922 62:1033 63:1910 64:3132
65:2237 66:3061 67:653 68:649 69:1663 70:402
71:92 72:969 74:88 75:9 80:832 81:706
82:621 83:395 84:408 85:682 86:413 87:477
88:235 89:550 91:27 121:56 122:18 124:418
125:664 128:280 129:228 130:123 131:314 132:35
133:9 134:167 135:50 136:177 137:110 138:184
139:47 140:526 141:131 142:343 143:193 144:242
145:43 146:320 147:138 148:369 149:176 150:115
151:121 152:76 153:121 154:5 155:256 156:160
157:163 158:152 159:172 160:98 161:86 162:216
163:177 164:227 165:235 166:239 167:274 168:487
169:128 170:382 171:11 172:1 189:4 190:249
192:5748 193:3523 194:2747 195:2097 196:894 198:3887
199:3321 200:4530 201:922 202:6926 203:7141 204:3927
205:2113 206:2438 207:2994 208:2304 209:3513 210:2184
211:868 212:1330 213:1499 214:371 215:39 216:4072
217:1142 218:337 219:262 220:799 221:381 222:231
End of report
Report Website: http://thyme.apnic.net
