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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Tue 09 Jan, 2007
Analysis Summary
----------------
BGP routing table entries examined: 207115
Prefixes after maximum aggregation: 112059
Unique aggregates announced to Internet: 100861
Total ASes present in the Internet Routing Table: 24066
Origin-only ASes present in the Internet Routing Table: 20975
Origin ASes announcing only one prefix: 10139
Transit ASes present in the Internet Routing Table: 3091
Transit-only ASes present in the Internet Routing Table: 77
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: 1652935116
Equivalent to 98 /8s, 133 /16s and 201 /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: 105377
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 45999
Total APNIC prefixes after maximum aggregation: 18571
Prefixes being announced from the APNIC address blocks: 43559
Unique aggregates announced from the APNIC address blocks: 19007
APNIC Region origin ASes present in the Internet Routing Table: 2812
APNIC Region origin ASes announcing only one prefix: 792
APNIC Region transit ASes present in the Internet Routing Table: 421
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 274699616
Equivalent to 16 /8s, 95 /16s and 149 /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: 102185
Total ARIN prefixes after maximum aggregation: 60507
Prefixes being announced from the ARIN address blocks: 75344
Unique aggregates announced from the ARIN address blocks: 28701
ARIN Region origin ASes present in the Internet Routing Table: 11255
ARIN Region origin ASes announcing only one prefix: 4307
ARIN Region transit ASes present in the Internet Routing Table: 1036
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 311865216
Equivalent to 18 /8s, 150 /16s and 175 /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: 42880
Total RIPE prefixes after maximum aggregation: 28035
Prefixes being announced from the RIPE address blocks: 39645
Unique aggregates announced from the RIPE address blocks: 26490
RIPE Region origin ASes present in the Internet Routing Table: 8997
RIPE Region origin ASes announcing only one prefix: 4737
RIPE Region transit ASes present in the Internet Routing Table: 1438
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 32
Number of RIPE addresses announced to Internet: 283603364
Equivalent to 16 /8s, 231 /16s and 113 /24s
Percentage of available RIPE address space announced: 76.8
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: 13500
Total LACNIC prefixes after maximum aggregation: 3993
Prefixes being announced from the LACNIC address blocks: 11585
Unique aggregates announced from the LACNIC address blocks: 7132
LACNIC Region origin ASes present in the Internet Routing Table: 753
LACNIC Region origin ASes announcing only one prefix: 250
LACNIC Region transit ASes present in the Internet Routing Table: 130
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 35996416
Equivalent to 2 /8s, 37 /16s and 67 /24s
Percentage of available LACNIC address space announced: 53.6
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: 2550
Total AfriNIC prefixes after maximum aggregation: 953
Prefixes being announced from the AfriNIC address blocks: 1796
Unique aggregates announced from the AfriNIC address blocks: 1129
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: 5347328
Equivalent to 0 /8s, 81 /16s and 152 /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 1259 8641 262 CHINANET-BACKBONE
4755 1044 384 69 Videsh Sanchar Nigam Ltd. Aut
9583 1018 109 16 Sify Limited
9498 904 467 64 BHARTI BT INTERNET LTD.
23577 769 34 698 KRNIC
4766 759 4946 312 Korea Telecom (KIX)
1221 577 1714 447 Telstra Pty Ltd
17488 565 35 21 Hathway IP Over Cable Interne
7545 556 126 73 TPG Internet Pty Ltd
17676 503 10935 66 Softbank BB Corp.
18101 491 87 27 Reliance Infocom Ltd Internet
9443 442 111 74 Primus Telecommunications
9942 438 81 130 COMindico Australia
4812 437 759 69 China Telecom (Shanghai)
17849 414 36 126 Telecommunications Technology
4802 360 86 150 Wantree Development
17557 360 35 169 Pakistan Telecom
17974 351 129 14 PT TELEKOMUNIKASI INDONESIA
2907 332 1749 309 SINET Japan
4837 332 3943 145 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1539 6161 996 AT&T WorldNet Services
2386 1102 585 731 AT&T Data Communications Serv
4323 1061 821 299 Time Warner Telecom
6197 1021 639 500 BellSouth Network Solutions,
18566 983 272 8 Covad Communications
174 940 6790 872 Cogent Communications
701 924 6674 748 UUNET Technologies, Inc.
11492 852 99 19 Cable One
1239 825 2730 575 Sprint
19262 809 2528 181 Verizon Global Networks
20115 769 670 408 Charter Communications
721 765 21901 294 DLA Systems Automation Center
209 721 3764 567 Qwest
22773 714 1744 41 Cox Communications, Inc.
7011 691 211 432 Citizens Utilities
852 603 1092 391 Telus Advanced Communications
5668 568 161 19 CenturyTel Internet Holdings,
19916 567 48 57 OLM LLC
6198 550 535 257 BellSouth Network Solutions,
855 538 250 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 297 4993 248 Deutsche Telekom AG
24863 295 45 25 LINKdotNET AS number
8220 272 473 261 COLT Telecommunications
6746 264 93 242 Dynamic Network Technologies,
680 257 2042 251 DFN-IP service G-WiN
8708 233 283 220 Romania Data Systems S.A.
3215 231 2112 97 France Telecom Transpac
1257 213 1069 170 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
786 172 1795 172 The JANET IP Service
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 826 2015 203 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 256 74 31 ENTEL CHILE S.A.
6147 225 182 20 Telefonica Del Peru
6503 216 170 93 AVANTEL, S.A.
7303 215 96 42 Telecom Argentina Stet-France
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.
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 289 868 231 The Internet Solution
8452 230 60 6 TEDATA
15475 147 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
24835 116 48 6 RAYA Telecom - Egypt
33783 109 6 4 EEPAD TISP TELECOM & INTERNET
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
9583 1018 1002 Sify Limited
4134 1259 997 CHINANET-BACKBONE
4755 1044 975 Videsh Sanchar Nigam Ltd. Aut
18566 983 975 Covad Communications
9498 904 840 BHARTI BT INTERNET LTD.
11492 852 833 Cable One
4323 1061 762 Time Warner Telecom
22773 714 673 Cox Communications, Inc.
19262 809 628 Verizon Global Networks
8151 826 623 UniNet S.A. de C.V.
5668 568 549 CenturyTel Internet Holdings,
17488 565 544 Hathway IP Over Cable Interne
6197 1021 521 BellSouth Network Solutions,
19916 567 510 OLM LLC
7545 556 483 TPG Internet Pty Ltd
721 765 471 DLA Systems Automation Center
855 538 465 Canadian Research Network
18101 491 464 Reliance Infocom Ltd Internet
11830 482 463 Instituto Costarricense de El
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 /15:800 /16:9093 /17:3636 /18:5925
/19:12919 /20:14524 /21:12910 /22:16450 /23:17897 /24:110473
/25:629 /26:458 /27:352 /28:71 /29:43 /30:87
/31:0 /32:24
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 966 983 Covad Communications
9583 846 1018 Sify Limited
11492 838 852 Cable One
7018 832 1539 AT&T WorldNet Services
2386 827 1102 AT&T Data Communications Serv
6197 794 1021 BellSouth Network Solutions,
23577 755 769 KRNIC
7011 595 691 Citizens Utilities
4766 568 759 Korea Telecom (KIX)
9498 567 904 BHARTI BT INTERNET LTD.
19916 562 567 OLM LLC
4755 482 1044 Videsh Sanchar Nigam Ltd. Aut
15270 463 495 PaeTec.net -a division of Pae
5668 440 568 CenturyTel Internet Holdings,
855 435 538 Canadian Research Network
18101 425 491 Reliance Infocom Ltd Internet
1239 411 825 Sprint
17849 397 414 Telecommunications Technology
33588 396 418 Bresnan Communications, LLC.
6198 388 550 BellSouth Network Solutions,
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:62 9:1 12:1655 13:1 15:15
16:3 17:3 18:5 20:36 24:850 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
59:359 60:190 61:972 62:1056 63:1892 64:3181
65:2294 66:3077 67:689 68:654 69:1698 70:404
71:130 72:1115 74:123 75:51 76:18 80:810
81:784 82:632 83:347 84:487 85:779 86:435
87:451 88:254 89:756 90:2 91:124 97:1
121:116 122:54 123:8 124:507 125:747 128:313
129:221 130:125 131:315 132:47 133:9 134:177
135:44 136:178 137:114 138:189 139:51 140:519
141:134 142:348 143:211 144:265 145:67 146:320
147:140 148:364 149:189 150:113 151:117 152:90
153:119 154:5 155:246 156:150 157:152 158:166
159:138 160:99 161:95 162:225 163:159 164:238
165:237 166:243 167:282 168:480 169:121 170:364
171:12 172:1 189:49 190:330 192:5748 193:3621
194:2889 195:2183 196:941 198:3779 199:3283 200:4625
201:947 202:7023 203:7238 204:3953 205:2108 206:2426
207:2898 208:2372 209:3574 210:2274 211:884 212:1313
213:1440 214:383 215:39 216:4091 217:1182 218:346
219:257 220:841 221:369 222:272
End of report
Report Website: http://thyme.apnic.net
