[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Wed 05 Jul, 2006
Analysis Summary
----------------
BGP routing table entries examined: 191458
Prefixes after maximum aggregation: 105432
Unique aggregates announced to Internet: 93726
Total ASes present in the Internet Routing Table: 22583
Origin-only ASes present in the Internet Routing Table: 19653
Origin ASes announcing only one prefix: 9432
Transit ASes present in the Internet Routing Table: 2930
Transit-only ASes present in the Internet Routing Table: 64
Average AS path length visible in the Internet Routing Table: 3.5
Max AS path length visible: 24
Max AS path prepend of ASN (32609) 16
Prefixes from unregistered ASNs in the Routing Table: 2
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: 1538749864
Equivalent to 91 /8s, 183 /16s and 117 /24s
Percentage of available address space announced: 41.5
Percentage of allocated address space announced: 60.1
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 94718
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 41307
Total APNIC prefixes after maximum aggregation: 16957
Prefixes being announced from the APNIC address blocks: 39015
Unique aggregates announced from the APNIC address blocks: 18472
APNIC Region origin ASes present in the Internet Routing Table: 2619
APNIC Region origin ASes announcing only one prefix: 741
APNIC Region transit ASes present in the Internet Routing Table: 395
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 234977376
Equivalent to 14 /8s, 1 /16s and 120 /24s
Percentage of available APNIC address space announced: 73.5
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: 97714
Total ARIN prefixes after maximum aggregation: 58090
Prefixes being announced from the ARIN address blocks: 71579
Unique aggregates announced from the ARIN address blocks: 27034
ARIN Region origin ASes present in the Internet Routing Table: 10809
ARIN Region origin ASes announcing only one prefix: 4085
ARIN Region transit ASes present in the Internet Routing Table: 988
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 295033088
Equivalent to 17 /8s, 149 /16s and 217 /24s
Percentage of available ARIN address space announced: 76.5
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: 38438
Total RIPE prefixes after maximum aggregation: 25734
Prefixes being announced from the RIPE address blocks: 35486
Unique aggregates announced from the RIPE address blocks: 23925
RIPE Region origin ASes present in the Internet Routing Table: 8226
RIPE Region origin ASes announcing only one prefix: 4324
RIPE Region transit ASes present in the Internet Routing Table: 1356
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 255247428
Equivalent to 15 /8s, 54 /16s and 196 /24s
Percentage of available RIPE address space announced: 80.1
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, 80/5, 88/6, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 11712
Total LACNIC prefixes after maximum aggregation: 3751
Prefixes being announced from the LACNIC address blocks: 9827
Unique aggregates announced from the LACNIC address blocks: 5603
LACNIC Region origin ASes present in the Internet Routing Table: 707
LACNIC Region origin ASes announcing only one prefix: 239
LACNIC Region transit ASes present in the Internet Routing Table: 133
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 28068352
Equivalent to 1 /8s, 172 /16s and 74 /24s
Percentage of available LACNIC address space announced: 41.8
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: 2285
Total AfriNIC prefixes after maximum aggregation: 900
Prefixes being announced from the AfriNIC address blocks: 1549
Unique aggregates announced from the AfriNIC address blocks: 951
AfriNIC Region origin ASes present in the Internet Routing Table: 158
AfriNIC Region origin ASes announcing only one prefix: 43
AfriNIC Region transit ASes present in the Internet Routing Table: 25
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 11
Number of AfriNIC addresses announced to Internet: 4166400
Equivalent to 0 /8s, 63 /16s and 147 /24s
Percentage of available AfriNIC address space announced: 12.4
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 1243 7286 225 CHINANET-BACKBONE
4755 946 258 75 Videsh Sanchar Nigam Ltd. Aut
9583 917 109 15 Sify Limited
9498 709 211 68 BHARTI BT INTERNET LTD.
4766 689 4435 303 Korea Telecom (KIX)
1221 610 1668 467 Telstra Pty Ltd
7545 544 122 70 TPG Internet Pty Ltd
17488 519 32 17 Hathway IP Over Cable Interne
17676 490 7093 110 Softbank BB Corp.
9443 452 111 83 Primus Telecommunications
18101 421 85 24 Reliance Infocom Ltd Internet
17849 388 28 122 Telecommunications Technology
17974 384 129 14 PT TELEKOMUNIKASI INDONESIA
17557 382 30 172 Pakistan Telecom
4802 381 81 168 Wantree Development
2907 335 1733 311 SINET Japan
9929 330 255 61 China Netcom Corp.
7474 299 211 229 SingTel Optus Pty Ltd
4837 280 3085 123 chinanet IDC center beijing n
10139 278 19 5 Meridian Telekoms
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1474 6261 941 AT&T WorldNet Services
4323 1332 747 266 Time Warner Telecom
721 1020 21998 314 DLA Systems Automation Center
6197 1015 636 477 BellSouth Network Solutions,
174 960 5771 894 Cogent Communications
701 946 6754 780 UUNET Technologies, Inc.
18566 945 272 8 Covad Communications
2386 918 561 712 AT&T Data Communications Serv
1239 842 2776 599 Sprint
19262 720 2168 188 Verizon Global Networks
20115 714 619 382 Charter Communications
209 697 3681 550 Qwest
22773 670 1741 40 Cox Communications, Inc.
7011 650 218 413 Citizens Utilities
11492 642 89 10 Cable One
6198 599 568 236 BellSouth Network Solutions,
852 582 1084 382 Telus Advanced Communications
855 573 247 74 Canadian Research Network
19916 563 49 54 OLM LLC
5668 529 147 23 CenturyTel Internet Holdings,
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 565 1932 444 UUNET - Commercial IP service
3301 316 1314 301 TeliaNet Sweden
3352 305 1643 30 Ibernet, Internet Access Netw
3320 280 3988 235 Deutsche Telekom AG
8220 280 471 266 COLT Telecommunications
680 246 2041 243 DFN-IP service G-WiN
6746 232 89 207 Dynamic Network Technologies,
3246 230 463 220 Song Networks
24863 216 42 11 LINKdotNET AS number
8708 214 276 203 Romania Data Systems S.A.
8551 209 198 29 Bezeq International
3215 202 1728 96 France Telecom Transpac
3269 202 2184 73 TELECOM ITALIA
30890 200 18 77 SC Kappa Invexim SRL
1257 194 741 166 SWIPnet Swedish IP Network
8866 187 37 15 Bulgarian Telecommunication C
6830 175 813 37 UPC Distribution Services
3300 169 171 98 AUCS Communications Services
786 166 1762 166 The JANET IP Service
12479 161 322 5 Uni2 Autonomous System
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 714 1114 224 UniNet S.A. de C.V.
22047 419 174 11 VTR PUNTO NET S.A.
11172 356 113 86 Servicios Alestra S.A de C.V
16814 328 20 7 NSS, S.A.
6147 267 134 22 Telefonica Del Peru
14117 207 13 7 Telefonica del Sur S.A.
10481 181 72 8 Prima S.A.
6503 177 150 81 AVANTEL, S.A.
7303 177 82 27 Telecom Argentina Stet-France
21826 133 17 23 INTERCABLE
11556 132 80 4 Cable-Wireless Panama
19429 130 68 43 E.T.B.
19169 128 8 29 Telconet
14259 119 10 15 GTD Internet S.A.
14522 117 18 9 SatNet S.A.
23216 113 21 9 RAMtelecom Telecomunicaciones
6505 109 88 79 Global One Communicaoes Ltda
7738 106 410 20 Telecomunicacoes da Bahia S.A
7910 105 7 10 ANDINET ON LINE
5639 103 12 9 Telecommunications Services o
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 287 803 234 The Internet Solution
8452 168 60 7 TEDATA
6713 154 135 11 Itissalat Al-MAGHRIB
2018 135 314 105 Tertiary Education Network
5536 121 8 18 Internet Egypt Network
24835 116 48 6 RAYA Telecom - Egypt
15475 112 84 4 Nile Online
33783 105 6 2 EEPAD TISP TELECOM & INTERNET
2905 69 139 60 The Internetworking Company o
20928 60 16 3 Noor Advanced Technologies AS
15706 44 8 3 Sudatel Internet Exchange Aut
5713 39 294 35 Telkom SA Ltd
33774 29 7 20 AS Number for Telecom Algeria
16637 25 18 23 Johnnic e-Ventures
23889 24 8 11 MAURITIUS TELECOM
12455 23 6 3 Jambonet Autonomous system
21280 23 4 4 Swift Global Kenya Ltd.Is an
8524 22 1 5 AUCEGYPT Autonomous System
10798 22 1 13 Standard Bank of South Africa
33766 21 2 1 Nyala Communications Pty Ltd
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1332 1066 Time Warner Telecom
4134 1243 1018 CHINANET-BACKBONE
18566 945 937 Covad Communications
9583 917 902 Sify Limited
4755 946 871 Videsh Sanchar Nigam Ltd. Aut
721 1020 706 DLA Systems Automation Center
9498 709 641 BHARTI BT INTERNET LTD.
11492 642 632 Cable One
22773 670 630 Cox Communications, Inc.
6197 1015 538 BellSouth Network Solutions,
19262 720 532 Verizon Global Networks
19916 563 509 OLM LLC
5668 529 506 CenturyTel Internet Holdings,
17488 519 502 Hathway IP Over Cable Interne
855 573 499 Canadian Research Network
8151 714 490 UniNet S.A. de C.V.
7545 544 474 TPG Internet Pty Ltd
3602 526 422 Sprint Canada, Inc.
22047 419 408 VTR PUNTO NET S.A.
15270 440 407 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
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
183.206.196.0/24 2188 FR-RENATER-ASTER
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
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:17 /9:9 /10:10 /11:28 /12:93
/13:201 /14:364 /15:714 /16:8862 /17:3288 /18:5414
/19:11816 /20:13431 /21:11713 /22:14833 /23:15983 /24:103595
/25:387 /26:294 /27:180 /28:65 /29:66 /30:55
/31:0 /32:40
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 928 945 Covad Communications
6197 795 1015 BellSouth Network Solutions,
7018 790 1474 AT&T WorldNet Services
9583 747 917 Sify Limited
4323 645 1332 Time Warner Telecom
2386 635 918 AT&T Data Communications Serv
11492 630 642 Cable One
7011 559 650 Citizens Utilities
19916 557 563 OLM LLC
4766 500 689 Korea Telecom (KIX)
855 447 573 Canadian Research Network
6198 441 599 BellSouth Network Solutions,
5668 412 529 CenturyTel Internet Holdings,
9498 411 709 BHARTI BT INTERNET LTD.
15270 409 440 PaeTec.net -a division of Pae
1239 386 842 Sprint
17849 382 388 Telecommunications Technology
4755 378 946 Videsh Sanchar Nigam Ltd. Aut
6517 365 396 Yipes Communications, Inc.
22773 352 670 Cox Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:41 12:1611 13:1 15:16 16:3
17:3 18:4 20:41 24:769 25:1 32:58
38:227 40:54 41:3 44:3 47:6 52:4
55:1 56:3 57:24 58:188 59:246 60:186
61:869 62:798 63:1885 64:3173 65:2246 66:3114
67:620 68:673 69:1519 70:388 71:85 72:798
74:52 75:1 80:779 81:651 82:627 83:390
84:381 85:567 86:393 87:394 88:107 89:316
121:1 122:2 123:1 124:263 125:526 128:140
129:189 130:119 131:312 132:34 133:8 134:160
135:48 136:178 137:83 138:204 139:54 140:485
141:134 142:385 143:168 144:224 145:39 146:320
147:137 148:342 149:190 150:114 151:94 152:69
153:106 154:5 155:206 156:185 157:145 158:166
159:172 160:91 161:77 162:244 163:159 164:187
165:217 166:172 167:241 168:495 169:128 170:352
171:14 183:1 190:82 192:5729 193:3365 194:2641
195:1946 196:873 198:3952 199:3231 200:4507 201:997
202:6732 203:7055 204:3899 205:2048 206:2429 207:2918
208:2179 209:3397 210:2050 211:711 212:1258 213:1486
214:359 215:41 216:4005 217:1171 218:295 219:240
220:731 221:364 222:190
End of report
