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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Tue 29 Aug, 2006
Analysis Summary
----------------
BGP routing table entries examined: 196276
Prefixes after maximum aggregation: 107249
Unique aggregates announced to Internet: 95175
Total ASes present in the Internet Routing Table: 22984
Origin-only ASes present in the Internet Routing Table: 20013
Origin ASes announcing only one prefix: 9592
Transit ASes present in the Internet Routing Table: 2971
Transit-only ASes present in the Internet Routing Table: 68
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: 1577464876
Equivalent to 94 /8s, 6 /16s and 52 /24s
Percentage of available address space announced: 42.6
Percentage of allocated address space announced: 61.6
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 97728
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 43078
Total APNIC prefixes after maximum aggregation: 17362
Prefixes being announced from the APNIC address blocks: 40736
Unique aggregates announced from the APNIC address blocks: 18338
APNIC Region origin ASes present in the Internet Routing Table: 2688
APNIC Region origin ASes announcing only one prefix: 763
APNIC Region transit ASes present in the Internet Routing Table: 403
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 261827680
Equivalent to 15 /8s, 155 /16s and 44 /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: 99175
Total ARIN prefixes after maximum aggregation: 58903
Prefixes being announced from the ARIN address blocks: 72912
Unique aggregates announced from the ARIN address blocks: 27415
ARIN Region origin ASes present in the Internet Routing Table: 10944
ARIN Region origin ASes announcing only one prefix: 4134
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: 296133632
Equivalent to 17 /8s, 166 /16s and 164 /24s
Percentage of available ARIN address space announced: 76.7
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: 39420
Total RIPE prefixes after maximum aggregation: 26306
Prefixes being announced from the RIPE address blocks: 36352
Unique aggregates announced from the RIPE address blocks: 24502
RIPE Region origin ASes present in the Internet Routing Table: 8408
RIPE Region origin ASes announcing only one prefix: 4416
RIPE Region transit ASes present in the Internet Routing Table: 1375
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 261838788
Equivalent to 15 /8s, 155 /16s and 87 /24s
Percentage of available RIPE address space announced: 82.1
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: 12319
Total LACNIC prefixes after maximum aggregation: 3766
Prefixes being announced from the LACNIC address blocks: 10347
Unique aggregates announced from the LACNIC address blocks: 5977
LACNIC Region origin ASes present in the Internet Routing Table: 715
LACNIC Region origin ASes announcing only one prefix: 235
LACNIC Region transit ASes present in the Internet Routing Table: 129
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 32215552
Equivalent to 1 /8s, 235 /16s and 146 /24s
Percentage of available LACNIC address space announced: 48.0
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: 2282
Total AfriNIC prefixes after maximum aggregation: 912
Prefixes being announced from the AfriNIC address blocks: 1594
Unique aggregates announced from the AfriNIC address blocks: 998
AfriNIC Region origin ASes present in the Internet Routing Table: 161
AfriNIC Region origin ASes announcing only one prefix: 44
AfriNIC Region transit ASes present in the Internet Routing Table: 24
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 11
Number of AfriNIC addresses announced to Internet: 4213504
Equivalent to 0 /8s, 64 /16s and 75 /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 1303 8158 238 CHINANET-BACKBONE
4755 972 255 66 Videsh Sanchar Nigam Ltd. Aut
9583 948 109 15 Sify Limited
9498 800 211 71 BHARTI BT INTERNET LTD.
4766 727 4435 306 Korea Telecom (KIX)
1221 613 1779 469 Telstra Pty Ltd
7545 541 124 73 TPG Internet Pty Ltd
17488 522 32 18 Hathway IP Over Cable Interne
17676 497 10933 62 Softbank BB Corp.
9443 450 111 83 Primus Telecommunications
18101 446 85 18 Reliance Infocom Ltd Internet
17849 410 30 122 Telecommunications Technology
4802 407 84 149 Wantree Development
4812 393 728 59 China Telecom (Shanghai)
17974 373 129 12 PT TELEKOMUNIKASI INDONESIA
17557 356 28 169 Pakistan Telecom
2907 336 1733 311 SINET Japan
4837 320 3539 138 chinanet IDC center beijing n
10139 319 23 6 Meridian Telekoms
7474 294 211 229 SingTel Optus Pty Ltd
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1480 6260 960 AT&T WorldNet Services
6197 1025 638 479 BellSouth Network Solutions,
721 999 21926 310 DLA Systems Automation Center
4323 997 768 286 Time Warner Telecom
2386 959 560 724 AT&T Data Communications Serv
18566 958 272 8 Covad Communications
701 956 6780 782 UUNET Technologies, Inc.
174 944 5770 886 Cogent Communications
1239 839 2781 592 Sprint
20115 737 659 386 Charter Communications
19262 733 2268 189 Verizon Global Networks
11492 730 90 16 Cable One
22773 696 1744 46 Cox Communications, Inc.
209 686 3641 541 Qwest
7011 667 207 422 Citizens Utilities
852 589 1068 383 Telus Advanced Communications
19916 563 49 54 OLM LLC
855 562 248 73 Canadian Research Network
5668 533 145 18 CenturyTel Internet Holdings,
3602 512 125 105 Sprint Canada, Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 557 1947 438 UUNET - Commercial IP service
3301 315 1186 300 TeliaNet Sweden
3320 298 5013 241 Deutsche Telekom AG
8220 282 471 267 COLT Telecommunications
24863 256 42 11 LINKdotNET AS number
680 248 2041 244 DFN-IP service G-WiN
6746 245 91 224 Dynamic Network Technologies,
3246 229 462 219 Song Networks
1257 220 744 167 SWIPnet Swedish IP Network
8708 216 278 203 Romania Data Systems S.A.
3215 203 1760 97 France Telecom Transpac
3269 202 2246 73 TELECOM ITALIA
8551 202 182 27 Bezeq International
30890 202 18 83 SC Kappa Invexim SRL
6830 194 879 43 UPC Distribution Services
8866 183 37 15 Bulgarian Telecommunication C
5416 180 12 11 BATELCO-BH
786 171 1778 171 The JANET IP Service
3300 171 171 96 AUCS Communications Services
3352 166 1655 30 Ibernet, Internet Access Netw
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 772 1811 228 UniNet S.A. de C.V.
22047 456 206 11 VTR PUNTO NET S.A.
11172 366 98 92 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
6147 273 134 22 Telefonica Del Peru
6471 255 74 30 ENTEL CHILE S.A.
14117 217 13 7 Telefonica del Sur S.A.
6503 181 167 84 AVANTEL, S.A.
7303 181 84 28 Telecom Argentina Stet-France
10481 181 72 8 Prima S.A.
7910 142 9 29 ANDINET ON LINE
19169 136 9 26 Telconet
21826 135 17 23 INTERCABLE
11556 132 96 4 Cable-Wireless Panama
19429 131 80 40 E.T.B.
18822 129 8 10 TELEFONICA MANQUEHUE
14522 117 18 9 SatNet S.A.
7738 114 410 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
2018 134 298 111 Tertiary Education Network
15475 132 84 4 Nile Online
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 26 8 11 MAURITIUS TELECOM
16637 25 19 23 Johnnic e-Ventures
10798 23 1 14 Standard Bank of South Africa
8524 22 1 5 AUCEGYPT Autonomous System
12455 21 6 3 Jambonet Autonomous system
21280 21 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 1303 1065 CHINANET-BACKBONE
18566 958 950 Covad Communications
9583 948 933 Sify Limited
4755 972 906 Videsh Sanchar Nigam Ltd. Aut
9498 800 729 BHARTI BT INTERNET LTD.
11492 730 714 Cable One
4323 997 711 Time Warner Telecom
721 999 689 DLA Systems Automation Center
22773 696 650 Cox Communications, Inc.
6197 1025 546 BellSouth Network Solutions,
8151 772 544 UniNet S.A. de C.V.
19262 733 544 Verizon Global Networks
5668 533 515 CenturyTel Internet Holdings,
19916 563 509 OLM LLC
17488 522 504 Hathway IP Over Cable Interne
855 562 489 Canadian Research Network
7545 541 468 TPG Internet Pty Ltd
22047 456 445 VTR PUNTO NET S.A.
17676 497 435 Softbank BB Corp.
15270 465 431 PaeTec.net -a division of Pae
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65010 PRIVATE 203.117.213.0/24 9255 Singapore Telecom
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 /14:377 /15:738 /16:8975 /17:3432 /18:5593
/19:12150 /20:13753 /21:12053 /22:15227 /23:16458 /24:105862
/25:427 /26:411 /27:198 /28:67 /29:42 /30:83
/31:0 /32:47
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 941 958 Covad Communications
6197 804 1025 BellSouth Network Solutions,
9583 779 948 Sify Limited
7018 775 1480 AT&T WorldNet Services
11492 718 730 Cable One
2386 677 959 AT&T Data Communications Serv
7011 572 667 Citizens Utilities
19916 557 563 OLM LLC
4766 538 727 Korea Telecom (KIX)
9498 478 800 BHARTI BT INTERNET LTD.
855 436 562 Canadian Research Network
15270 434 465 PaeTec.net -a division of Pae
5668 416 533 CenturyTel Internet Holdings,
4755 408 972 Videsh Sanchar Nigam Ltd. Aut
1239 400 839 Sprint
17849 397 410 Telecommunications Technology
18101 380 446 Reliance Infocom Ltd Internet
6517 378 412 Yipes Communications, Inc.
22773 368 696 Cox Communications, Inc.
33588 351 372 Bresnan Communications, LLC.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:49 12:1621 13:1 15:15 16:3
17:3 18:4 20:41 24:809 25:1 32:61
38:246 40:54 41:16 44:3 47:6 52:4
55:1 56:3 57:26 58:207 59:258 60:185
61:911 62:883 63:1892 64:3057 65:2225 66:3028
67:646 68:657 69:1600 70:385 71:88 72:888
74:73 75:6 80:781 81:661 82:629 83:386
84:389 85:631 86:380 87:445 88:166 89:422
91:1 121:15 122:6 123:1 124:347 125:608
128:152 129:204 130:118 131:314 132:37 133:8
134:161 135:48 136:177 137:85 138:213 139:49
140:519 141:134 142:367 143:192 144:241 145:41
146:322 147:136 148:352 149:176 150:114 151:116
152:72 153:117 154:5 155:221 156:172 157:177
158:165 159:173 160:93 161:86 162:218 163:166
164:232 165:220 166:183 167:240 168:485 169:128
170:362 171:14 189:1 190:202 192:5736 193:3402
194:2722 195:2040 196:885 198:3901 199:3313 200:4620
201:1039 202:6830 203:7109 204:3900 205:2044 206:2434
207:2971 208:2255 209:3464 210:2152 211:858 212:1289
213:1454 214:360 215:40 216:4070 217:1131 218:336
219:258 220:785 221:384 222:239
End of report
Report Website: http://thyme.apnic.net
