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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Wed 10 Jan, 2007
Analysis Summary
----------------
BGP routing table entries examined: 206954
Prefixes after maximum aggregation: 112146
Deaggregation factor: 1.85
Unique aggregates announced to Internet: 101106
Total ASes present in the Internet Routing Table: 24076
Origin-only ASes present in the Internet Routing Table: 20982
Origin ASes announcing only one prefix: 10141
Transit ASes present in the Internet Routing Table: 3094
Transit-only ASes present in the Internet Routing Table: 76
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: 1
Unregistered ASNs in the Routing Table: 4
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1653474252
Equivalent to 98 /8s, 142 /16s and 3 /24s
Percentage of available address space announced: 44.6
Percentage of allocated address space announced: 63.3
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 105296
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 45920
Total APNIC prefixes after maximum aggregation: 18620
APNIC Deaggregation factor: 2.47
Prefixes being announced from the APNIC address blocks: 43474
Unique aggregates announced from the APNIC address blocks: 19215
APNIC Region origin ASes present in the Internet Routing Table: 2814
APNIC Region origin ASes announcing only one prefix: 793
APNIC Region transit ASes present in the Internet Routing Table: 420
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 274799456
Equivalent to 16 /8s, 97 /16s and 27 /24s
Percentage of available APNIC address space announced: 85.9
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: 102144
Total ARIN prefixes after maximum aggregation: 60537
ARIN Deaggregation factor: 1.69
Prefixes being announced from the ARIN address blocks: 75339
Unique aggregates announced from the ARIN address blocks: 28712
ARIN Region origin ASes present in the Internet Routing Table: 11258
ARIN Region origin ASes announcing only one prefix: 4304
ARIN Region transit ASes present in the Internet Routing Table: 1040
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 311856256
Equivalent to 18 /8s, 150 /16s and 140 /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: 42843
Total RIPE prefixes after maximum aggregation: 28044
RIPE Deaggregation factor: 1.53
Prefixes being announced from the RIPE address blocks: 39624
Unique aggregates announced from the RIPE address blocks: 26487
RIPE Region origin ASes present in the Internet Routing Table: 9001
RIPE Region origin ASes announcing only one prefix: 4739
RIPE Region transit ASes present in the Internet Routing Table: 1440
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 32
Number of RIPE addresses announced to Internet: 283730340
Equivalent to 16 /8s, 233 /16s and 97 /24s
Percentage of available RIPE address space announced: 76.9
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: 13527
Total LACNIC prefixes after maximum aggregation: 3990
LACNIC Deaggregation factor: 3.39
Prefixes being announced from the LACNIC address blocks: 11604
Unique aggregates announced from the LACNIC address blocks: 7152
LACNIC Region origin ASes present in the Internet Routing Table: 755
LACNIC Region origin ASes announcing only one prefix: 252
LACNIC Region transit ASes present in the Internet Routing Table: 131
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 36041728
Equivalent to 2 /8s, 37 /16s and 244 /24s
Percentage of available LACNIC address space announced: 53.7
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: 2519
Total AfriNIC prefixes after maximum aggregation: 955
AfriNIC Deaggregation factor: 2.64
Prefixes being announced from the AfriNIC address blocks: 1751
Unique aggregates announced from the AfriNIC address blocks: 1116
AfriNIC Region origin ASes present in the Internet Routing Table: 172
AfriNIC Region origin ASes announcing only one prefix: 53
AfriNIC Region transit ASes present in the Internet Routing Table: 32
Average AfriNIC Region AS path length visible: 3.6
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 5344768
Equivalent to 0 /8s, 81 /16s and 142 /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 1262 8641 262 CHINANET-BACKBONE
4755 1044 384 69 Videsh Sanchar Nigam Ltd. Aut
9583 1016 99 64 Sify Limited
9498 910 467 65 BHARTI BT INTERNET LTD.
23577 771 34 700 KRNIC
4766 760 4946 312 Korea Telecom (KIX)
1221 577 1714 447 Telstra Pty Ltd
17488 565 35 21 Hathway IP Over Cable Interne
7545 557 126 74 TPG Internet Pty Ltd
17676 503 10935 66 Softbank BB Corp.
18101 492 87 27 Reliance Infocom Ltd Internet
9443 442 111 74 Primus Telecommunications
9942 438 81 130 COMindico Australia
4812 436 759 69 China Telecom (Shanghai)
4802 360 86 150 Wantree Development
17557 360 35 169 Pakistan Telecom
17849 353 33 93 Telecommunications Technology
2907 332 1749 309 SINET Japan
4837 332 3943 145 chinanet IDC center beijing n
17974 331 129 12 PT TELEKOMUNIKASI INDONESIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1540 6161 997 AT&T WorldNet Services
2386 1103 585 732 AT&T Data Communications Serv
4323 1062 821 299 Time Warner Telecom
6197 1021 639 500 BellSouth Network Solutions,
18566 983 272 8 Covad Communications
174 934 6790 866 Cogent Communications
701 926 6675 749 UUNET Technologies, Inc.
11492 875 99 20 Cable One
1239 824 2730 576 Sprint
19262 810 2530 181 Verizon Global Networks
20115 769 670 408 Charter Communications
721 765 21901 294 DLA Systems Automation Center
209 721 3764 567 Qwest
22773 715 1744 41 Cox Communications, Inc.
7011 690 211 431 Citizens Utilities
852 603 1092 391 Telus Advanced Communications
5668 569 161 19 CenturyTel Internet Holdings,
19916 567 48 57 OLM LLC
6198 549 519 256 BellSouth Network Solutions,
855 535 250 73 Canadian Research Network
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 545 1912 424 UUNET - Commercial IP service
3301 306 1199 288 TeliaNet Sweden
3320 296 4993 247 Deutsche Telekom AG
24863 296 45 25 LINKdotNET AS number
8220 271 473 262 COLT Telecommunications
6746 264 93 242 Dynamic Network Technologies,
680 257 2042 251 DFN-IP service G-WiN
8708 234 283 221 Romania Data Systems S.A.
3215 233 2136 96 France Telecom Transpac
1257 214 1069 171 SWIPnet Swedish IP Network
3269 211 2375 74 TELECOM ITALIA
30890 209 19 89 SC Kappa Invexim SRL
3246 208 353 195 Song Networks
5416 206 13 9 BATELCO-BH
8551 196 197 24 Bezeq International
3352 176 1767 31 Ibernet, Internet Access Netw
3300 175 171 89 AUCS Communications Services
12479 175 578 6 Uni2 Autonomous System
20858 175 34 3 This AS will be used to conne
786 171 1795 171 The JANET IP Service
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 827 2015 204 UniNet S.A. de C.V.
11830 482 299 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.
14117 258 16 13 Telefonica del Sur S.A.
6471 255 74 31 ENTEL CHILE S.A.
7303 228 102 36 Telecom Argentina Stet-France
6147 225 182 20 Telefonica Del Peru
6503 217 170 94 AVANTEL, S.A.
11556 211 104 6 Cable-Wireless Panama
10481 181 72 8 Prima S.A.
21826 156 20 35 INTERCABLE
23216 146 19 43 RAMtelecom Telecomunicaciones
18822 145 9 10 TELEFONICA MANQUEHUE
7910 144 10 31 ANDINET ON LINE
19429 141 84 35 E.T.B.
19169 139 9 22 Telconet
14522 132 21 8 SatNet S.A.
6505 125 89 85 Global One Communicaoes Ltda
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 287 868 231 The Internet Solution
8452 230 60 6 TEDATA
15475 154 84 4 Nile Online
6713 144 135 11 Itissalat Al-MAGHRIB
2018 138 309 113 Tertiary Education Network
5536 123 8 15 Internet Egypt Network
33783 109 6 4 EEPAD TISP TELECOM & INTERNET
24835 85 48 6 RAYA Telecom - Egypt
2905 84 175 73 The Internetworking Company o
2561 60 6 2 Egyptian Universities Network
15706 55 12 4 Sudatel Internet Exchange Aut
23889 55 13 15 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
33766 33 2 1 Nyala Communications Pty Ltd
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
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1262 1000 CHINANET-BACKBONE
4755 1044 975 Videsh Sanchar Nigam Ltd. Aut
18566 983 975 Covad Communications
9583 1016 952 Sify Limited
11492 875 855 Cable One
9498 910 845 BHARTI BT INTERNET LTD.
4323 1062 763 Time Warner Telecom
22773 715 674 Cox Communications, Inc.
19262 810 629 Verizon Global Networks
8151 827 623 UniNet S.A. de C.V.
5668 569 550 CenturyTel Internet Holdings,
17488 565 544 Hathway IP Over Cable Interne
6197 1021 521 BellSouth Network Solutions,
19916 567 510 OLM LLC
7545 557 483 TPG Internet Pty Ltd
721 765 471 DLA Systems Automation Center
18101 492 465 Reliance Infocom Ltd Internet
11830 482 463 Instituto Costarricense de El
855 535 462 Canadian Research Network
15270 495 461 PaeTec.net -a division of Pae
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 /12:115
/13:228 /14:409 /15:802 /16:9099 /17:3632 /18:5915
/19:12901 /20:14468 /21:12900 /22:16457 /23:17896 /24:110432
/25:606 /26:452 /27:346 /28:71 /29:43 /30:86
/31:0 /32:24
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 966 983 Covad Communications
11492 861 875 Cable One
9583 845 1016 Sify Limited
7018 833 1540 AT&T WorldNet Services
2386 827 1103 AT&T Data Communications Serv
6197 794 1021 BellSouth Network Solutions,
23577 757 771 KRNIC
7011 594 690 Citizens Utilities
9498 571 910 BHARTI BT INTERNET LTD.
4766 569 760 Korea Telecom (KIX)
19916 562 567 OLM LLC
4755 482 1044 Videsh Sanchar Nigam Ltd. Aut
15270 463 495 PaeTec.net -a division of Pae
5668 441 569 CenturyTel Internet Holdings,
855 432 535 Canadian Research Network
18101 426 492 Reliance Infocom Ltd Internet
1239 410 824 Sprint
33588 396 418 Bresnan Communications, LLC.
6198 388 549 BellSouth Network Solutions,
17488 388 565 Hathway IP Over Cable Interne
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:62 9:1 12:1656 13:1 15:15
16:3 17:3 18:5 20:36 24:856 25:1
32:55 38:274 40:57 41:56 44:2 47:10
52:4 53:1 55:1 56:3 57:25 58:277
59:358 60:190 61:952 62:1032 63:1894 64:3178
65:2296 66:3076 67:695 68:654 69:1698 70:405
71:130 72:1118 74:123 75:51 76:18 80:810
81:785 82:636 83:350 84:487 85:779 86:435
87:451 88:255 89:728 90:3 91:127 97:1
121:117 122:55 123:8 124:511 125:751 128:312
129:221 130:125 131:314 132:49 133:9 134:177
135:44 136:178 137:113 138:189 139:54 140:519
141:134 142:348 143:213 144:264 145:67 146:319
147:138 148:364 149:188 150:113 151:117 152:90
153:119 154:5 155:243 156:150 157:152 158:166
159:140 160:99 161:100 162:225 163:159 164:237
165:237 166:243 167:283 168:479 169:121 170:364
171:12 172:1 189:49 190:330 192:5750 193:3623
194:2889 195:2189 196:898 198:3777 199:3282 200:4631
201:950 202:7073 203:7241 204:3954 205:2105 206:2427
207:2897 208:2374 209:3573 210:2275 211:859 212:1312
213:1438 214:387 215:39 216:4090 217:1183 218:346
219:260 220:833 221:370 222:264
End of report
Report Website: http://thyme.apnic.net
