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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Thu 14 Sep, 2006
Analysis Summary
----------------
BGP routing table entries examined: 197823
Prefixes after maximum aggregation: 107878
Unique aggregates announced to Internet: 95947
Total ASes present in the Internet Routing Table: 23126
Origin-only ASes present in the Internet Routing Table: 20153
Origin ASes announcing only one prefix: 9674
Transit ASes present in the Internet Routing Table: 2973
Transit-only ASes present in the Internet Routing Table: 64
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: 1582223436
Equivalent to 94 /8s, 78 /16s and 208 /24s
Percentage of available address space announced: 42.7
Percentage of allocated address space announced: 60.6
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 98844
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 43308
Total APNIC prefixes after maximum aggregation: 17414
Prefixes being announced from the APNIC address blocks: 40920
Unique aggregates announced from the APNIC address blocks: 18386
APNIC Region origin ASes present in the Internet Routing Table: 2699
APNIC Region origin ASes announcing only one prefix: 761
APNIC Region transit ASes present in the Internet Routing Table: 404
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 262180704
Equivalent to 15 /8s, 160 /16s and 143 /24s
Percentage of available APNIC address space announced: 82.0
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: 99952
Total ARIN prefixes after maximum aggregation: 59186
Prefixes being announced from the ARIN address blocks: 73264
Unique aggregates announced from the ARIN address blocks: 27650
ARIN Region origin ASes present in the Internet Routing Table: 10971
ARIN Region origin ASes announcing only one prefix: 4150
ARIN Region transit ASes present in the Internet Routing Table: 1011
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 297978624
Equivalent to 17 /8s, 194 /16s and 203 /24s
Percentage of available ARIN address space announced: 77.2
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: 39899
Total RIPE prefixes after maximum aggregation: 26566
Prefixes being announced from the RIPE address blocks: 36848
Unique aggregates announced from the RIPE address blocks: 24815
RIPE Region origin ASes present in the Internet Routing Table: 8510
RIPE Region origin ASes announcing only one prefix: 4474
RIPE Region transit ASes present in the Internet Routing Table: 1374
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 263999204
Equivalent to 15 /8s, 188 /16s and 78 /24s
Percentage of available RIPE address space announced: 71.5
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: 12331
Total LACNIC prefixes after maximum aggregation: 3796
Prefixes being announced from the LACNIC address blocks: 10372
Unique aggregates announced from the LACNIC address blocks: 6084
LACNIC Region origin ASes present in the Internet Routing Table: 722
LACNIC Region origin ASes announcing only one prefix: 242
LACNIC Region transit ASes present in the Internet Routing Table: 126
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 32581888
Equivalent to 1 /8s, 241 /16s and 41 /24s
Percentage of available LACNIC address space announced: 48.6
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: 2331
Total AfriNIC prefixes after maximum aggregation: 916
Prefixes being announced from the AfriNIC address blocks: 1604
Unique aggregates announced from the AfriNIC address blocks: 1014
AfriNIC Region origin ASes present in the Internet Routing Table: 160
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: 3.5
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 4244480
Equivalent to 0 /8s, 64 /16s and 196 /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 1304 8126 239 CHINANET-BACKBONE
4755 986 255 68 Videsh Sanchar Nigam Ltd. Aut
9583 953 109 15 Sify Limited
9498 849 212 71 BHARTI BT INTERNET LTD.
4766 736 4436 307 Korea Telecom (KIX)
1221 610 1780 467 Telstra Pty Ltd
7545 537 124 72 TPG Internet Pty Ltd
17488 529 33 11 Hathway IP Over Cable Interne
17676 497 10933 62 Softbank BB Corp.
9443 454 111 74 Primus Telecommunications
18101 451 85 18 Reliance Infocom Ltd Internet
17849 424 31 127 Telecommunications Technology
4802 409 84 149 Wantree Development
4812 394 732 60 China Telecom (Shanghai)
17974 371 129 12 PT TELEKOMUNIKASI INDONESIA
17557 356 28 172 Pakistan Telecom
2907 337 1734 312 SINET Japan
10139 325 23 6 Meridian Telekoms
4837 323 3555 138 chinanet IDC center beijing n
7474 285 210 222 SingTel Optus Pty Ltd
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1493 6291 963 AT&T WorldNet Services
2386 1029 569 778 AT&T Data Communications Serv
6197 1028 640 479 BellSouth Network Solutions,
4323 1005 776 290 Time Warner Telecom
721 978 21909 306 DLA Systems Automation Center
18566 961 272 8 Covad Communications
701 947 6759 775 UUNET Technologies, Inc.
174 935 5769 878 Cogent Communications
1239 844 2773 594 Sprint
19262 738 2280 189 Verizon Global Networks
20115 737 659 383 Charter Communications
11492 736 90 12 Cable One
22773 701 1744 45 Cox Communications, Inc.
209 691 3631 547 Qwest
7011 666 207 420 Citizens Utilities
852 588 1068 384 Telus Advanced Communications
19916 565 49 54 OLM LLC
855 544 248 69 Canadian Research Network
5668 537 145 18 CenturyTel Internet Holdings,
6478 533 1238 347 AT&T Worldnet Services
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 547 1946 429 UUNET - Commercial IP service
3301 315 1186 299 TeliaNet Sweden
3320 298 5013 243 Deutsche Telekom AG
8220 280 471 266 COLT Telecommunications
24863 268 42 14 LINKdotNET AS number
680 248 2041 244 DFN-IP service G-WiN
6746 243 90 222 Dynamic Network Technologies,
3246 228 469 218 Song Networks
9116 222 134 23 Goldenlines main autonomous s
1257 219 738 166 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 200 18 78 SC Kappa Invexim SRL
6830 194 879 43 UPC Distribution Services
8866 186 37 15 Bulgarian Telecommunication C
5416 180 12 11 BATELCO-BH
786 172 1779 172 The JANET IP Service
3300 171 171 96 AUCS Communications Services
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 641 1811 225 UniNet S.A. de C.V.
22047 453 206 11 VTR PUNTO NET S.A.
11172 372 98 89 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
6147 276 140 24 Telefonica Del Peru
6471 256 74 30 ENTEL CHILE S.A.
14117 217 13 7 Telefonica del Sur S.A.
7303 187 88 18 Telecom Argentina Stet-France
6503 184 167 84 AVANTEL, S.A.
10481 181 72 8 Prima S.A.
21826 141 18 25 INTERCABLE
7910 138 9 20 ANDINET ON LINE
19169 137 9 22 Telconet
11556 132 96 4 Cable-Wireless Panama
18822 129 8 10 TELEFONICA MANQUEHUE
19429 129 79 38 E.T.B.
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 290 803 231 The Internet Solution
8452 173 60 7 TEDATA
6713 144 135 11 Itissalat Al-MAGHRIB
15475 141 84 4 Nile Online
2018 136 298 112 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 80 159 71 The Internetworking Company o
2561 68 6 2 Egyptian Universities Network
15706 55 12 4 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 22 17 2 UTL On-line is RF broadband I
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1304 1065 CHINANET-BACKBONE
18566 961 953 Covad Communications
9583 953 938 Sify Limited
4755 986 918 Videsh Sanchar Nigam Ltd. Aut
9498 849 778 BHARTI BT INTERNET LTD.
11492 736 724 Cable One
4323 1005 715 Time Warner Telecom
721 978 672 DLA Systems Automation Center
22773 701 656 Cox Communications, Inc.
6197 1028 549 BellSouth Network Solutions,
19262 738 549 Verizon Global Networks
5668 537 519 CenturyTel Internet Holdings,
17488 529 518 Hathway IP Over Cable Interne
19916 565 511 OLM LLC
855 544 475 Canadian Research Network
7545 537 465 TPG Internet Pty Ltd
22047 453 442 VTR PUNTO NET S.A.
17676 497 435 Softbank BB Corp.
15270 470 435 PaeTec.net -a division of Pae
18101 451 433 Reliance Infocom Ltd Internet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
64659 PRIVATE 210.184.109.0/24 9729 iAdvantage Limited
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
/13:210 /14:382 /15:744 /16:8978 /17:3453 /18:5651
/19:12236 /20:13812 /21:12129 /22:15379 /23:16637 /24:106750
/25:429 /26:429 /27:190 /28:64 /29:43 /30:86
/31:0 /32:47
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 944 961 Covad Communications
6197 808 1028 BellSouth Network Solutions,
9583 783 953 Sify Limited
7018 779 1493 AT&T WorldNet Services
2386 746 1029 AT&T Data Communications Serv
11492 724 736 Cable One
7011 571 666 Citizens Utilities
19916 559 565 OLM LLC
4766 546 736 Korea Telecom (KIX)
9498 506 849 BHARTI BT INTERNET LTD.
15270 439 470 PaeTec.net -a division of Pae
855 424 544 Canadian Research Network
4755 420 986 Videsh Sanchar Nigam Ltd. Aut
5668 420 537 CenturyTel Internet Holdings,
17849 412 424 Telecommunications Technology
1239 407 844 Sprint
18101 385 451 Reliance Infocom Ltd Internet
7066 383 486 Virginia Polytechnic Institut
22773 372 701 Cox Communications, Inc.
33588 355 376 Bresnan Communications, LLC.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:47 11:1 12:1620 13:1 15:16
16:3 17:3 18:4 20:41 24:822 25:1
32:60 38:256 40:55 41:17 44:3 47:6
52:4 55:1 56:3 57:25 58:224 59:265
60:174 61:905 62:903 63:1885 64:3076 65:2218
66:3062 67:647 68:654 69:1617 70:388 71:90
72:906 74:78 75:7 80:827 81:696 82:610
83:383 84:392 85:643 86:405 87:457 88:185
89:455 121:31 122:5 123:1 124:368 125:633
128:151 129:228 130:118 131:311 132:37 133:8
134:163 135:48 136:178 137:97 138:224 139:50
140:522 141:134 142:360 143:192 144:242 145:42
146:324 147:135 148:360 149:177 150:113 151:120
152:76 153:118 154:5 155:228 156:158 157:177
158:155 159:173 160:98 161:85 162:218 163:167
164:447 165:225 166:235 167:244 168:483 169:129
170:361 171:11 190:208 192:5748 193:3466 194:2734
195:2074 196:876 198:3897 199:3323 200:4668 201:923
202:6884 203:7121 204:3918 205:2091 206:2434 207:2948
208:2291 209:3475 210:2200 211:832 212:1296 213:1443
214:374 215:40 216:4027 217:1122 218:342 219:261
220:791 221:383 222:246
End of report
Report Website: http://thyme.apnic.net
