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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Wed 03 Jan, 2007
Analysis Summary
----------------
BGP routing table entries examined: 206360
Prefixes after maximum aggregation: 112005
Unique aggregates announced to Internet: 100106
Total ASes present in the Internet Routing Table: 24014
Origin-only ASes present in the Internet Routing Table: 20926
Origin ASes announcing only one prefix: 10107
Transit ASes present in the Internet Routing Table: 3088
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: 2
Unregistered ASNs in the Routing Table: 3
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1651588812
Equivalent to 98 /8s, 113 /16s and 62 /24s
Percentage of available address space announced: 44.6
Percentage of allocated address space announced: 63.2
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 104987
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 45676
Total APNIC prefixes after maximum aggregation: 18619
Prefixes being announced from the APNIC address blocks: 43229
Unique aggregates announced from the APNIC address blocks: 18360
APNIC Region origin ASes present in the Internet Routing Table: 2803
APNIC Region origin ASes announcing only one prefix: 791
APNIC Region transit ASes present in the Internet Routing Table: 422
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 273774432
Equivalent to 16 /8s, 81 /16s and 119 /24s
Percentage of available APNIC address space announced: 85.6
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: 102059
Total ARIN prefixes after maximum aggregation: 60471
Prefixes being announced from the ARIN address blocks: 75256
Unique aggregates announced from the ARIN address blocks: 28685
ARIN Region origin ASes present in the Internet Routing Table: 11245
ARIN Region origin ASes announcing only one prefix: 4296
ARIN Region transit ASes present in the Internet Routing Table: 1031
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 311498112
Equivalent to 18 /8s, 145 /16s and 21 /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: 42685
Total RIPE prefixes after maximum aggregation: 27981
Prefixes being announced from the RIPE address blocks: 39477
Unique aggregates announced from the RIPE address blocks: 26450
RIPE Region origin ASes present in the Internet Routing Table: 8964
RIPE Region origin ASes announcing only one prefix: 4714
RIPE Region transit ASes present in the Internet Routing Table: 1442
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 32
Number of RIPE addresses announced to Internet: 283339684
Equivalent to 16 /8s, 227 /16s and 107 /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: 13406
Total LACNIC prefixes after maximum aggregation: 3994
Prefixes being announced from the LACNIC address blocks: 11492
Unique aggregates announced from the LACNIC address blocks: 7108
LACNIC Region origin ASes present in the Internet Routing Table: 755
LACNIC Region origin ASes announcing only one prefix: 254
LACNIC Region transit ASes present in the Internet Routing Table: 132
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 35977728
Equivalent to 2 /8s, 36 /16s and 250 /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: 2532
Total AfriNIC prefixes after maximum aggregation: 940
Prefixes being announced from the AfriNIC address blocks: 1778
Unique aggregates announced from the AfriNIC address blocks: 1126
AfriNIC Region origin ASes present in the Internet Routing Table: 170
AfriNIC Region origin ASes announcing only one prefix: 52
AfriNIC Region transit ASes present in the Internet Routing Table: 30
Average AfriNIC Region AS path length visible: 3.6
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 5324288
Equivalent to 0 /8s, 81 /16s and 62 /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 1260 8638 265 CHINANET-BACKBONE
4755 1042 384 68 Videsh Sanchar Nigam Ltd. Aut
9583 1037 99 65 Sify Limited
9498 899 211 63 BHARTI BT INTERNET LTD.
23577 770 34 699 KRNIC
4766 758 4946 312 Korea Telecom (KIX)
1221 575 1714 445 Telstra Pty Ltd
17488 565 35 21 Hathway IP Over Cable Interne
7545 556 126 74 TPG Internet Pty Ltd
17676 503 10935 66 Softbank BB Corp.
18101 492 87 29 Reliance Infocom Ltd Internet
9443 442 111 74 Primus Telecommunications
9942 439 81 131 COMindico Australia
4812 437 759 69 China Telecom (Shanghai)
17849 411 36 126 Telecommunications Technology
17557 368 35 171 Pakistan Telecom
4802 360 86 150 Wantree Development
17974 342 129 12 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 1541 6159 1001 AT&T WorldNet Services
2386 1108 586 733 AT&T Data Communications Serv
4323 1057 820 299 Time Warner Telecom
6197 1021 638 500 BellSouth Network Solutions,
18566 983 272 8 Covad Communications
174 956 6791 870 Cogent Communications
701 935 6691 758 UUNET Technologies, Inc.
11492 868 98 15 Cable One
1239 827 2730 581 Sprint
19262 804 2496 181 Verizon Global Networks
721 779 21900 292 DLA Systems Automation Center
20115 767 667 406 Charter Communications
209 717 3763 565 Qwest
22773 712 1744 40 Cox Communications, Inc.
7011 686 211 431 Citizens Utilities
852 603 1092 391 Telus Advanced Communications
19916 567 48 57 OLM LLC
5668 550 161 19 CenturyTel Internet Holdings,
6198 549 535 257 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 300 4994 248 Deutsche Telekom AG
24863 294 44 26 LINKdotNET AS number
8220 272 474 263 COLT Telecommunications
6746 264 93 242 Dynamic Network Technologies,
680 253 2041 248 DFN-IP service G-WiN
8708 231 282 218 Romania Data Systems S.A.
3215 230 2104 96 France Telecom Transpac
9116 221 134 23 Goldenlines main autonomous s
1257 214 1069 171 SWIPnet Swedish IP Network
3269 210 2373 73 TELECOM ITALIA
30890 208 19 90 SC Kappa Invexim SRL
5416 206 13 9 BATELCO-BH
3246 205 353 195 Song Networks
8551 196 197 24 Bezeq International
12479 175 578 6 Uni2 Autonomous System
3300 174 171 91 AUCS Communications Services
3352 174 1767 30 Ibernet, Internet Access Netw
786 171 1779 171 The JANET IP Service
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 817 2016 206 UniNet S.A. de C.V.
11830 483 299 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.
7303 226 101 38 Telecom Argentina Stet-France
6147 224 182 20 Telefonica Del Peru
6503 215 170 93 AVANTEL, S.A.
11556 204 101 6 Cable-Wireless Panama
10481 181 72 8 Prima S.A.
21826 156 20 35 INTERCABLE
23216 146 19 43 RAMtelecom Telecomunicaciones
7910 144 10 31 ANDINET ON LINE
19169 139 9 22 Telconet
19429 139 84 34 E.T.B.
14522 129 20 9 SatNet S.A.
18822 129 8 10 TELEFONICA MANQUEHUE
6505 125 89 85 Global One Communicaoes Ltda
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 7 TEDATA
15475 147 84 4 Nile Online
6713 144 135 11 Itissalat Al-MAGHRIB
2018 136 297 111 Tertiary Education Network
5536 124 8 11 Internet Egypt Network
24835 116 48 6 RAYA Telecom - Egypt
33783 109 6 4 EEPAD TISP TELECOM & INTERNET
2905 85 176 74 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
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
10798 23 1 14 Standard Bank of South Africa
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1260 995 CHINANET-BACKBONE
18566 983 975 Covad Communications
4755 1042 974 Videsh Sanchar Nigam Ltd. Aut
9583 1037 972 Sify Limited
11492 868 853 Cable One
9498 899 836 BHARTI BT INTERNET LTD.
4323 1057 758 Time Warner Telecom
22773 712 672 Cox Communications, Inc.
19262 804 623 Verizon Global Networks
8151 817 611 UniNet S.A. de C.V.
17488 565 544 Hathway IP Over Cable Interne
5668 550 531 CenturyTel Internet Holdings,
6197 1021 521 BellSouth Network Solutions,
19916 567 510 OLM LLC
721 779 487 DLA Systems Automation Center
7545 556 482 TPG Internet Pty Ltd
15270 501 466 PaeTec.net -a division of Pae
855 538 465 Canadian Research Network
11830 483 464 Instituto Costarricense de El
18101 492 463 Reliance Infocom Ltd Internet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65124 PRIVATE 193.110.52.0/24 24652 Juniper Networks, Eu
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 /8:20 /9:10 /10:13 /11:30 /12:114
/13:228 /14:409 /15:798 /16:9095 /17:3624 /18:5912
/19:12899 /20:14471 /21:12893 /22:16381 /23:17853 /24:109945
/25:630 /26:456 /27:357 /28:71 /29:42 /30:86
/31:0 /32:23
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 966 983 Covad Communications
9583 865 1037 Sify Limited
11492 854 868 Cable One
7018 832 1541 AT&T WorldNet Services
2386 827 1108 AT&T Data Communications Serv
6197 795 1021 BellSouth Network Solutions,
23577 756 770 KRNIC
7011 591 686 Citizens Utilities
4766 567 758 Korea Telecom (KIX)
9498 563 899 BHARTI BT INTERNET LTD.
19916 562 567 OLM LLC
4755 482 1042 Videsh Sanchar Nigam Ltd. Aut
15270 469 501 PaeTec.net -a division of Pae
855 435 538 Canadian Research Network
18101 425 492 Reliance Infocom Ltd Internet
5668 423 550 CenturyTel Internet Holdings,
1239 411 827 Sprint
17849 397 411 Telecommunications Technology
33588 396 418 Bresnan Communications, LLC.
17488 388 565 Hathway IP Over Cable Interne
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:61 9:1 12:1655 13:1 15:15
16:3 17:3 18:5 20:36 24:855 25:1
32:55 38:274 40:57 41:56 44:2 47:10
52:4 53:1 55:1 56:3 57:25 58:275
59:351 60:189 61:971 62:1058 63:1894 64:3173
65:2296 66:3091 67:692 68:653 69:1691 70:402
71:130 72:1108 74:122 75:50 76:16 80:821
81:762 82:632 83:329 84:476 85:774 86:404
87:457 88:255 89:713 90:2 91:107 97:1
121:115 122:49 123:8 124:499 125:737 128:306
129:219 130:133 131:314 132:49 133:9 134:177
135:43 136:175 137:112 138:189 139:51 140:526
141:134 142:347 143:213 144:263 145:67 146:320
147:141 148:357 149:171 150:111 151:117 152:89
153:118 154:5 155:246 156:150 157:152 158:166
159:138 160:99 161:97 162:224 163:159 164:239
165:237 166:243 167:283 168:481 169:121 170:362
171:12 172:1 189:29 190:310 192:5734 193:3623
194:2882 195:2175 196:929 198:3774 199:3275 200:4577
201:946 202:6928 203:7183 204:3959 205:2091 206:2430
207:2905 208:2368 209:3586 210:2262 211:882 212:1293
213:1443 214:387 215:39 216:4079 217:1168 218:343
219:266 220:835 221:373 222:269
End of report
Report Website: http://thyme.apnic.net
