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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Thu 07 Sep, 2006
Analysis Summary
----------------
BGP routing table entries examined: 196956
Prefixes after maximum aggregation: 107575
Unique aggregates announced to Internet: 95724
Total ASes present in the Internet Routing Table: 23024
Origin-only ASes present in the Internet Routing Table: 20062
Origin ASes announcing only one prefix: 9623
Transit ASes present in the Internet Routing Table: 2962
Transit-only ASes present in the Internet Routing Table: 63
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: 2
Unregistered ASNs in the Routing Table: 2
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1580001868
Equivalent to 94 /8s, 44 /16s and 234 /24s
Percentage of available address space announced: 42.6
Percentage of allocated address space announced: 60.5
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 98289
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 43106
Total APNIC prefixes after maximum aggregation: 17368
Prefixes being announced from the APNIC address blocks: 40738
Unique aggregates announced from the APNIC address blocks: 18420
APNIC Region origin ASes present in the Internet Routing Table: 2672
APNIC Region origin ASes announcing only one prefix: 753
APNIC Region transit ASes present in the Internet Routing Table: 405
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 261876064
Equivalent to 15 /8s, 155 /16s and 233 /24s
Percentage of available APNIC address space announced: 81.9
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: 99502
Total ARIN prefixes after maximum aggregation: 58989
Prefixes being announced from the ARIN address blocks: 73198
Unique aggregates announced from the ARIN address blocks: 27611
ARIN Region origin ASes present in the Internet Routing Table: 10941
ARIN Region origin ASes announcing only one prefix: 4130
ARIN Region transit ASes present in the Internet Routing Table: 1007
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 296771328
Equivalent to 17 /8s, 176 /16s and 95 /24s
Percentage of available ARIN address space announced: 76.9
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, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 39729
Total RIPE prefixes after maximum aggregation: 26485
Prefixes being announced from the RIPE address blocks: 36617
Unique aggregates announced from the RIPE address blocks: 24655
RIPE Region origin ASes present in the Internet Routing Table: 8468
RIPE Region origin ASes announcing only one prefix: 4452
RIPE Region transit ASes present in the Internet Routing Table: 1373
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 263621604
Equivalent to 15 /8s, 182 /16s and 139 /24s
Percentage of available RIPE address space announced: 71.4
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: 12373
Total LACNIC prefixes after maximum aggregation: 3824
Prefixes being announced from the LACNIC address blocks: 10385
Unique aggregates announced from the LACNIC address blocks: 6061
LACNIC Region origin ASes present in the Internet Routing Table: 721
LACNIC Region origin ASes announcing only one prefix: 241
LACNIC Region transit ASes present in the Internet Routing Table: 123
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 32428800
Equivalent to 1 /8s, 238 /16s and 211 /24s
Percentage of available LACNIC address space announced: 48.3
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: 2244
Total AfriNIC prefixes after maximum aggregation: 909
Prefixes being announced from the AfriNIC address blocks: 1584
Unique aggregates announced from the AfriNIC address blocks: 1003
AfriNIC Region origin ASes present in the Internet Routing Table: 159
AfriNIC Region origin ASes announcing only one prefix: 47
AfriNIC Region transit ASes present in the Internet Routing Table: 25
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 11
Number of AfriNIC addresses announced to Internet: 4226560
Equivalent to 0 /8s, 64 /16s and 126 /24s
Percentage of available AfriNIC address space announced: 12.6
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 1302 8126 238 CHINANET-BACKBONE
4755 981 255 66 Videsh Sanchar Nigam Ltd. Aut
9583 954 109 15 Sify Limited
9498 846 212 72 BHARTI BT INTERNET LTD.
4766 736 4436 307 Korea Telecom (KIX)
1221 615 1779 470 Telstra Pty Ltd
7545 537 124 72 TPG Internet Pty Ltd
17488 529 33 11 Hathway IP Over Cable Interne
17676 498 10933 62 Softbank BB Corp.
9443 450 111 83 Primus Telecommunications
18101 446 85 18 Reliance Infocom Ltd Internet
17849 426 31 123 Telecommunications Technology
4802 409 84 149 Wantree Development
4812 394 732 60 China Telecom (Shanghai)
17974 359 129 12 PT TELEKOMUNIKASI INDONESIA
17557 354 28 172 Pakistan Telecom
10139 344 23 6 Meridian Telekoms
2907 337 1734 312 SINET Japan
4837 321 3555 136 chinanet IDC center beijing n
7474 289 210 224 SingTel Optus Pty Ltd
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1486 6275 958 AT&T WorldNet Services
6197 1027 639 477 BellSouth Network Solutions,
4323 994 776 289 Time Warner Telecom
721 976 21909 305 DLA Systems Automation Center
2386 963 561 731 AT&T Data Communications Serv
701 960 6775 779 UUNET Technologies, Inc.
18566 958 272 8 Covad Communications
174 940 5770 882 Cogent Communications
1239 846 2765 598 Sprint
20115 741 661 388 Charter Communications
19262 740 2280 190 Verizon Global Networks
11492 731 90 14 Cable One
22773 698 1744 46 Cox Communications, Inc.
209 688 3644 544 Qwest
7011 668 207 422 Citizens Utilities
852 587 1068 383 Telus Advanced Communications
19916 563 49 54 OLM LLC
855 562 248 73 Canadian Research Network
5668 537 145 18 CenturyTel Internet Holdings,
3602 511 125 104 Sprint Canada, Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 551 1944 433 UUNET - Commercial IP service
3301 314 1186 299 TeliaNet Sweden
3320 297 5013 242 Deutsche Telekom AG
8220 282 471 268 COLT Telecommunications
24863 258 42 15 LINKdotNET AS number
680 248 2041 244 DFN-IP service G-WiN
6746 243 90 222 Dynamic Network Technologies,
3246 231 462 221 Song Networks
1257 219 740 166 SWIPnet Swedish IP Network
8708 216 278 203 Romania Data Systems S.A.
3215 204 1760 98 France Telecom Transpac
3269 202 2246 73 TELECOM ITALIA
8551 202 182 27 Bezeq International
30890 199 18 81 SC Kappa Invexim SRL
6830 194 879 43 UPC Distribution Services
8866 187 37 15 Bulgarian Telecommunication C
5416 180 12 11 BATELCO-BH
3300 171 171 96 AUCS Communications Services
786 170 1778 170 The JANET IP Service
3352 167 1671 31 Ibernet, Internet Access Netw
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 682 1811 225 UniNet S.A. de C.V.
22047 454 206 11 VTR PUNTO NET S.A.
11172 371 98 88 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
6147 277 142 23 Telefonica Del Peru
6471 256 74 30 ENTEL CHILE S.A.
14117 217 13 7 Telefonica del Sur S.A.
7303 182 85 28 Telecom Argentina Stet-France
6503 181 167 84 AVANTEL, S.A.
10481 181 72 8 Prima S.A.
7910 144 9 24 ANDINET ON LINE
21826 140 18 26 INTERCABLE
19169 136 9 26 Telconet
11556 132 96 4 Cable-Wireless Panama
19429 130 80 39 E.T.B.
18822 129 8 10 TELEFONICA MANQUEHUE
14522 117 18 9 SatNet S.A.
7738 113 410 20 Telecomunicacoes da Bahia S.A
14259 112 10 15 GTD Internet S.A.
23216 111 21 9 RAMtelecom Telecomunicaciones
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 288 803 231 The Internet Solution
8452 175 60 7 TEDATA
6713 144 135 11 Itissalat Al-MAGHRIB
15475 141 84 4 Nile Online
2018 134 298 111 Tertiary Education Network
5536 121 8 18 Internet Egypt Network
24835 116 48 6 RAYA Telecom - Egypt
33783 107 6 2 EEPAD TISP TELECOM & INTERNET
2905 79 159 70 The Internetworking Company o
15706 44 8 3 Sudatel Internet Exchange Aut
5713 36 293 32 Telkom SA Ltd
33774 32 7 20 AS Number for Telecom Algeria
23889 27 8 11 MAURITIUS TELECOM
16637 25 19 23 Johnnic e-Ventures
10798 23 1 14 Standard Bank of South Africa
12455 23 6 3 Jambonet Autonomous system
8524 22 1 5 AUCEGYPT Autonomous System
21280 22 4 4 Swift Global Kenya Ltd.Is an
21491 21 17 2 UTL On-line is RF broadband I
33766 21 2 1 Nyala Communications Pty Ltd
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1302 1064 CHINANET-BACKBONE
18566 958 950 Covad Communications
9583 954 939 Sify Limited
4755 981 915 Videsh Sanchar Nigam Ltd. Aut
9498 846 774 BHARTI BT INTERNET LTD.
11492 731 717 Cable One
4323 994 705 Time Warner Telecom
721 976 671 DLA Systems Automation Center
22773 698 652 Cox Communications, Inc.
6197 1027 550 BellSouth Network Solutions,
19262 740 550 Verizon Global Networks
5668 537 519 CenturyTel Internet Holdings,
17488 529 518 Hathway IP Over Cable Interne
19916 563 509 OLM LLC
855 562 489 Canadian Research Network
7545 537 465 TPG Internet Pty Ltd
8151 682 457 UniNet S.A. de C.V.
22047 454 443 VTR PUNTO NET S.A.
17676 498 436 Softbank BB Corp.
15270 468 433 PaeTec.net -a division of Pae
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65128 PRIVATE 193.110.50.0/24 24652 Juniper Networks, Eu
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
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 /8:18 /9:9 /10:13 /11:31 /12:103
/13:209 /14:380 /15:741 /16:8981 /17:3449 /18:5618
/19:12191 /20:13775 /21:12062 /22:15270 /23:16523 /24:106298
/25:420 /26:428 /27:202 /28:66 /29:42 /30:81
/31:0 /32:46
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 941 958 Covad Communications
6197 806 1027 BellSouth Network Solutions,
9583 785 954 Sify Limited
7018 780 1486 AT&T WorldNet Services
11492 719 731 Cable One
2386 680 963 AT&T Data Communications Serv
7011 573 668 Citizens Utilities
19916 557 563 OLM LLC
4766 547 736 Korea Telecom (KIX)
9498 504 846 BHARTI BT INTERNET LTD.
15270 437 468 PaeTec.net -a division of Pae
855 436 562 Canadian Research Network
5668 420 537 CenturyTel Internet Holdings,
4755 417 981 Videsh Sanchar Nigam Ltd. Aut
17849 413 426 Telecommunications Technology
1239 406 846 Sprint
6517 381 414 Yipes Communications, Inc.
18101 380 446 Reliance Infocom Ltd Internet
22773 369 698 Cox Communications, Inc.
33588 355 376 Bresnan Communications, LLC.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:46 11:1 12:1614 13:1 15:16
16:3 17:3 18:4 20:41 24:820 25:1
32:61 38:252 40:55 41:16 44:3 47:6
52:4 55:1 56:3 57:25 58:227 59:259
60:185 61:912 62:890 63:1892 64:3075 65:2222
66:3058 67:646 68:650 69:1605 70:386 71:89
72:896 74:76 75:7 80:767 81:693 82:668
83:394 84:391 85:675 86:380 87:446 88:174
89:437 121:20 122:6 123:1 124:368 125:642
128:147 129:206 130:118 131:313 132:37 133:8
134:163 135:48 136:177 137:96 138:224 139:49
140:520 141:135 142:367 143:192 144:243 145:41
146:325 147:135 148:353 149:177 150:113 151:119
152:75 153:117 154:5 155:221 156:172 157:177
158:165 159:173 160:93 161:84 162:218 163:167
164:255 165:224 166:183 167:245 168:485 169:128
170:360 171:14 190:203 192:5737 193:3410 194:2724
195:2052 196:870 198:3900 199:3321 200:4656 201:967
202:6810 203:7118 204:3921 205:2049 206:2426 207:2952
208:2290 209:3508 210:2180 211:854 212:1285 213:1450
214:369 215:41 216:4062 217:1122 218:338 219:260
220:797 221:389 222:249
End of report
Report Website: http://thyme.apnic.net
