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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Fri 08 Dec, 2006
Analysis Summary
----------------
BGP routing table entries examined: 205574
Prefixes after maximum aggregation: 111656
Unique aggregates announced to Internet: 100488
Total ASes present in the Internet Routing Table: 23875
Origin-only ASes present in the Internet Routing Table: 20793
Origin ASes announcing only one prefix: 10040
Transit ASes present in the Internet Routing Table: 3082
Transit-only ASes present in the Internet Routing Table: 78
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: 1645716780
Equivalent to 98 /8s, 23 /16s and 165 /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: 104373
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 45565
Total APNIC prefixes after maximum aggregation: 18740
Prefixes being announced from the APNIC address blocks: 43133
Unique aggregates announced from the APNIC address blocks: 19571
APNIC Region origin ASes present in the Internet Routing Table: 2792
APNIC Region origin ASes announcing only one prefix: 789
APNIC Region transit ASes present in the Internet Routing Table: 415
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 271620320
Equivalent to 16 /8s, 48 /16s and 152 /24s
Percentage of available APNIC address space announced: 84.9
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: 101742
Total ARIN prefixes after maximum aggregation: 60281
Prefixes being announced from the ARIN address blocks: 74965
Unique aggregates announced from the ARIN address blocks: 28409
ARIN Region origin ASes present in the Internet Routing Table: 11209
ARIN Region origin ASes announcing only one prefix: 4267
ARIN Region transit ASes present in the Internet Routing Table: 1037
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 311489536
Equivalent to 18 /8s, 144 /16s and 244 /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: 42315
Total RIPE prefixes after maximum aggregation: 27691
Prefixes being announced from the RIPE address blocks: 39145
Unique aggregates announced from the RIPE address blocks: 26117
RIPE Region origin ASes present in the Internet Routing Table: 8876
RIPE Region origin ASes announcing only one prefix: 4692
RIPE Region transit ASes present in the Internet Routing Table: 1436
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 279960836
Equivalent to 16 /8s, 175 /16s and 221 /24s
Percentage of available RIPE address space announced: 75.8
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
40960-43007
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: 13453
Total LACNIC prefixes after maximum aggregation: 3995
Prefixes being announced from the LACNIC address blocks: 11417
Unique aggregates announced from the LACNIC address blocks: 6942
LACNIC Region origin ASes present in the Internet Routing Table: 750
LACNIC Region origin ASes announcing only one prefix: 244
LACNIC Region transit ASes present in the Internet Routing Table: 136
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 35293696
Equivalent to 2 /8s, 26 /16s and 138 /24s
Percentage of available LACNIC address space announced: 52.6
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: 2498
Total AfriNIC prefixes after maximum aggregation: 949
Prefixes being announced from the AfriNIC address blocks: 1742
Unique aggregates announced from the AfriNIC address blocks: 1106
AfriNIC Region origin ASes present in the Internet Routing Table: 170
AfriNIC Region origin ASes announcing only one prefix: 48
AfriNIC Region transit ASes present in the Internet Routing Table: 31
Average AfriNIC Region AS path length visible: 3.6
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 4780800
Equivalent to 0 /8s, 72 /16s and 243 /24s
Percentage of available AfriNIC address space announced: 14.2
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 1235 8542 250 CHINANET-BACKBONE
4755 1046 384 69 Videsh Sanchar Nigam Ltd. Aut
9583 995 86 274 Sify Limited
9498 892 212 65 BHARTI BT INTERNET LTD.
23577 776 35 706 KRNIC
4766 744 4945 306 Korea Telecom (KIX)
1221 583 1698 447 Telstra Pty Ltd
17488 556 35 20 Hathway IP Over Cable Interne
7545 550 126 73 TPG Internet Pty Ltd
17676 501 10934 65 Softbank BB Corp.
18101 489 87 23 Reliance Infocom Ltd Internet
9443 442 111 74 Primus Telecommunications
9942 437 81 131 COMindico Australia
4812 430 753 65 China Telecom (Shanghai)
17849 423 36 126 Telecommunications Technology
4802 409 86 149 Wantree Development
17974 373 129 12 PT TELEKOMUNIKASI INDONESIA
17557 366 31 176 Pakistan Telecom
2907 332 1749 309 SINET Japan
4837 327 3844 143 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1554 6190 980 AT&T WorldNet Services
2386 1111 586 738 AT&T Data Communications Serv
4323 1053 803 296 Time Warner Telecom
6197 1018 628 503 BellSouth Network Solutions,
18566 980 272 8 Covad Communications
174 978 6826 884 Cogent Communications
701 951 6707 767 UUNET Technologies, Inc.
11492 845 98 11 Cable One
1239 825 2730 578 Sprint
721 818 22145 296 DLA Systems Automation Center
19262 785 2454 178 Verizon Global Networks
20115 772 690 409 Charter Communications
22773 712 1744 41 Cox Communications, Inc.
209 708 3762 559 Qwest
7011 695 213 432 Citizens Utilities
852 596 1091 389 Telus Advanced Communications
19916 567 48 57 OLM LLC
6198 549 527 256 BellSouth Network Solutions,
5668 545 161 19 CenturyTel Internet Holdings,
855 539 250 73 Canadian Research Network
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 546 1928 425 UUNET - Commercial IP service
3301 309 1199 293 TeliaNet Sweden
3320 297 4992 245 Deutsche Telekom AG
24863 291 44 26 LINKdotNET AS number
8220 273 474 263 COLT Telecommunications
6746 261 92 238 Dynamic Network Technologies,
680 252 2041 248 DFN-IP service G-WiN
3215 230 2104 96 France Telecom Transpac
8708 228 281 215 Romania Data Systems S.A.
1257 219 1073 172 SWIPnet Swedish IP Network
9116 216 134 23 Goldenlines main autonomous s
3269 208 2357 75 TELECOM ITALIA
3246 207 369 197 Song Networks
30890 206 18 86 SC Kappa Invexim SRL
5416 204 13 13 BATELCO-BH
8551 200 198 23 Bezeq International
6830 184 823 39 UPC Distribution Services
3300 177 171 95 AUCS Communications Services
786 172 1795 172 The JANET IP Service
3352 172 1751 30 Ibernet, Internet Access Netw
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 768 1938 207 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 254 16 13 Telefonica del Sur S.A.
7303 227 102 35 Telecom Argentina Stet-France
6503 207 170 94 AVANTEL, S.A.
6147 206 148 23 Telefonica Del Peru
11556 204 101 6 Cable-Wireless Panama
10481 181 72 8 Prima S.A.
21826 150 20 39 INTERCABLE
23216 146 19 43 RAMtelecom Telecomunicaciones
7910 144 10 31 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 290 868 232 The Internet Solution
8452 218 60 7 TEDATA
15475 147 84 4 Nile Online
6713 145 136 12 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 110 6 4 EEPAD TISP TELECOM & INTERNET
2905 83 173 71 The Internetworking Company o
2561 57 6 2 Egyptian Universities Network
15706 55 12 4 Sudatel Internet Exchange Aut
5713 40 294 33 Telkom SA Ltd
12455 39 6 3 Jambonet Autonomous system
33774 38 12 22 AS Number for Telecom Algeria
23889 37 10 15 MAURITIUS TELECOM
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
21280 23 4 4 Swift Global Kenya Ltd.Is an
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1235 985 CHINANET-BACKBONE
4755 1046 977 Videsh Sanchar Nigam Ltd. Aut
18566 980 972 Covad Communications
11492 845 834 Cable One
9498 892 827 BHARTI BT INTERNET LTD.
4323 1053 757 Time Warner Telecom
9583 995 721 Sify Limited
22773 712 671 Cox Communications, Inc.
19262 785 607 Verizon Global Networks
8151 768 561 UniNet S.A. de C.V.
17488 556 536 Hathway IP Over Cable Interne
5668 545 526 CenturyTel Internet Holdings,
721 818 522 DLA Systems Automation Center
6197 1018 515 BellSouth Network Solutions,
19916 567 510 OLM LLC
7545 550 477 TPG Internet Pty Ltd
855 539 466 Canadian Research Network
18101 489 466 Reliance Infocom Ltd Internet
11830 484 465 Instituto Costarricense de El
15270 486 452 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 /12:113
/13:226 /14:401 /15:796 /16:9097 /17:3647 /18:5855
/19:12719 /20:14351 /21:12909 /22:16239 /23:17769 /24:109659
/25:642 /26:463 /27:370 /28:75 /29:46 /30:91
/31:0 /32:34
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 963 980 Covad Communications
7018 832 1554 AT&T WorldNet Services
11492 831 845 Cable One
9583 829 995 Sify Limited
2386 828 1111 AT&T Data Communications Serv
6197 796 1018 BellSouth Network Solutions,
23577 762 776 KRNIC
7011 600 695 Citizens Utilities
19916 562 567 OLM LLC
4766 555 744 Korea Telecom (KIX)
9498 547 892 BHARTI BT INTERNET LTD.
4755 469 1046 Videsh Sanchar Nigam Ltd. Aut
15270 456 486 PaeTec.net -a division of Pae
855 436 539 Canadian Research Network
18101 421 489 Reliance Infocom Ltd Internet
5668 419 545 CenturyTel Internet Holdings,
17849 409 423 Telecommunications Technology
1239 407 825 Sprint
6198 388 549 BellSouth Network Solutions,
33588 387 410 Bresnan Communications, LLC.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:61 9:1 12:1650 13:1 15:15
16:3 17:3 18:4 20:39 24:843 25:1
32:55 38:267 40:57 41:47 44:2 47:8
52:4 53:1 55:1 56:3 57:24 58:268
59:346 60:216 61:952 62:1060 63:1885 64:3187
65:2284 66:3113 67:678 68:657 69:1714 70:395
71:114 72:1019 74:112 75:42 76:15 77:2
80:814 81:773 82:647 83:380 84:482 85:726
86:422 87:441 88:269 89:650 90:1 91:95
97:1 121:77 122:40 123:3 124:473 125:742
128:311 129:181 130:128 131:321 132:48 133:9
134:177 135:41 136:180 137:115 138:189 139:48
140:523 141:135 142:346 143:214 144:250 145:67
146:323 147:139 148:365 149:172 150:110 151:118
152:82 153:116 154:5 155:262 156:148 157:166
158:166 159:139 160:98 161:86 162:218 163:162
164:237 165:236 166:243 167:276 168:492 169:123
170:395 171:12 172:1 189:17 190:320 192:5740
193:3601 194:2832 195:2163 196:916 198:3778 199:3293
200:4584 201:935 202:6999 203:7229 204:3959 205:2094
206:2420 207:2907 208:2346 209:3564 210:2216 211:861
212:1355 213:1455 214:392 215:39 216:4094 217:1147
218:338 219:259 220:816 221:373 222:250
End of report
Report Website: http://thyme.apnic.net
