[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 Thu 12 Jul, 2007
Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/07/12/0400
Analysis Summary
----------------
BGP routing table entries examined: 225270
Prefixes after maximum aggregation: 118511
Deaggregation factor: 1.90
Unique aggregates announced to Internet: 109277
Total ASes present in the Internet Routing Table: 25645
Prefixes per ASN: 8.78
Origin-only ASes present in the Internet Routing Table: 22349
Origin ASes announcing only one prefix: 10857
Transit ASes present in the Internet Routing Table: 3296
Transit-only ASes present in the Internet Routing Table: 74
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 25
Max AS path prepend of ASN (35389) 16
Prefixes from unregistered ASNs in the Routing Table: 7
Unregistered ASNs in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 5
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1735804512
Equivalent to 103 /8s, 118 /16s and 70 /24s
Percentage of available address space announced: 46.8
Percentage of allocated address space announced: 62.1
Percentage of available address space allocated: 75.5
Total number of prefixes smaller than registry allocations: 118418
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 52754
Total APNIC prefixes after maximum aggregation: 20550
APNIC Deaggregation factor: 2.57
Prefixes being announced from the APNIC address blocks: 49647
Unique aggregates announced from the APNIC address blocks: 21751
APNIC Region origin ASes present in the Internet Routing Table: 3008
APNIC Prefixes per ASN: 16.50
APNIC Region origin ASes announcing only one prefix: 804
APNIC Region transit ASes present in the Internet Routing Table: 453
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 25
Number of APNIC addresses announced to Internet: 303383712
Equivalent to 18 /8s, 21 /16s and 68 /24s
Percentage of available APNIC address space announced: 75.2
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, 116/6, 120/6, 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: 107193
Total ARIN prefixes after maximum aggregation: 62255
ARIN Deaggregation factor: 1.72
Prefixes being announced from the ARIN address blocks: 78828
Unique aggregates announced from the ARIN address blocks: 31152
ARIN Region origin ASes present in the Internet Routing Table: 11668
ARIN Prefixes per ASN: 6.76
ARIN Region origin ASes announcing only one prefix: 4494
ARIN Region transit ASes present in the Internet Routing Table: 1064
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 338869568
Equivalent to 20 /8s, 50 /16s and 189 /24s
Percentage of available ARIN address space announced: 74.8
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: 47288
Total RIPE prefixes after maximum aggregation: 30409
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 43656
Unique aggregates announced from the RIPE address blocks: 28809
RIPE Region origin ASes present in the Internet Routing Table: 9876
RIPE Prefixes per ASN: 4.42
RIPE Region origin ASes announcing only one prefix: 5235
RIPE Region transit ASes present in the Internet Routing Table: 1566
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 322423360
Equivalent to 19 /8s, 55 /16s and 202 /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
40960-44031
RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 92/7, 193/8, 194/7,
212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 15435
Total LACNIC prefixes after maximum aggregation: 4270
LACNIC Deaggregation factor: 3.61
Prefixes being announced from the LACNIC address blocks: 13491
Unique aggregates announced from the LACNIC address blocks: 7622
LACNIC Region origin ASes present in the Internet Routing Table: 823
LACNIC Prefixes per ASN: 16.39
LACNIC Region origin ASes announcing only one prefix: 266
LACNIC Region transit ASes present in the Internet Routing Table: 142
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 40493056
Equivalent to 2 /8s, 105 /16s and 224 /24s
Percentage of available LACNIC address space announced: 60.3
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: 2592
Total AfriNIC prefixes after maximum aggregation: 1017
AfriNIC Deaggregation factor: 2.55
Prefixes being announced from the AfriNIC address blocks: 2101
Unique aggregates announced from the AfriNIC address blocks: 1264
AfriNIC Region origin ASes present in the Internet Routing Table: 195
AfriNIC Prefixes per ASN: 10.77
AfriNIC Region origin ASes announcing only one prefix: 58
AfriNIC Region transit ASes present in the Internet Routing Table: 37
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 6283008
Equivalent to 0 /8s, 95 /16s and 223 /24s
Percentage of available AfriNIC address space announced: 18.7
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 1352 10525 284 CHINANET-BACKBONE
4755 1267 382 72 Videsh Sanchar Nigam Ltd. Aut
9583 1114 80 375 Sify Limited
9498 965 533 68 BHARTI BT INTERNET LTD.
23577 798 34 691 Korea Telecom (ATM-MPLS)
4766 782 4927 314 Korea Telecom (KIX)
17488 716 47 52 Hathway IP Over Cable Interne
7545 677 149 111 TPG Internet Pty Ltd
18101 564 117 38 Reliance Infocom Ltd Internet
1221 546 1951 425 Telstra Pty Ltd
4812 519 903 92 China Telecom (Shanghai)
4668 510 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
9443 471 122 77 Primus Telecommunications
4802 411 105 151 Wantree Development
7474 410 218 270 SingTel Optus Pty Ltd
17974 370 130 13 PT TELEKOMUNIKASI INDONESIA
2907 362 1701 302 SINET Japan
9829 362 258 14 BSNL National Internet Backbo
17557 351 45 172 Pakistan Telecom
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1459 6073 987 AT&T WorldNet Services
4323 1322 1021 375 Time Warner Telecom
2386 1210 616 752 AT&T Data Communications Serv
6478 1125 370 175 AT&T Worldnet Services
11492 1096 107 24 Cable One
6197 1027 717 509 BellSouth Network Solutions,
18566 1013 288 9 Covad Communications
174 962 6775 859 Cogent Communications
701 944 6581 721 UUNET Technologies, Inc.
7011 851 252 537 Citizens Utilities
1239 811 2734 579 Sprint
20115 799 732 427 Charter Communications
19262 779 2733 201 Verizon Global Networks
209 738 3859 574 Qwest
22773 733 1892 46 Cox Communications, Inc.
5668 617 169 21 CenturyTel Internet Holdings,
7029 614 488 79 Alltel Information Services,
855 575 254 73 Canadian Research Network
852 573 1093 363 Telus Advanced Communications
6198 568 613 260 BellSouth Network Solutions,
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2119 513 1075 136 Telenor Internet Access
702 500 1921 401 UUNET - Commercial IP service
24863 358 56 37 LINKdotNET AS number
9116 312 168 25 Goldenlines main autonomous s
3301 310 1455 290 TeliaNet Sweden
3320 310 6034 257 Deutsche Telekom AG
6746 280 129 256 Dynamic Network Technologies,
5089 268 1658 53 NTL Group Limited
680 265 2045 256 DFN-IP service G-WiN
3215 255 2376 96 France Telecom Transpac
8220 251 444 243 COLT Telecommunications
8708 250 420 239 Romania Data Systems S.A.
8551 223 213 28 Bezeq International
3269 222 2775 74 TELECOM ITALIA
3352 218 1864 41 Ibernet, Internet Access Netw
9121 210 1441 24 TTnet Autonomous System
1257 194 1195 172 SWIPnet Swedish IP Network
3292 193 1379 173 TDC Tele Danmark
12479 191 578 6 Uni2 Autonomous System
3246 185 253 176 Song Networks
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 858 1918 208 UniNet S.A. de C.V.
11830 483 299 9 Instituto Costarricense de El
11172 373 116 63 Servicios Alestra S.A de C.V
16814 361 22 8 NSS, S.A.
22047 313 238 12 VTR PUNTO NET S.A.
7303 303 147 32 Telecom Argentina Stet-France
6471 295 74 33 ENTEL CHILE S.A.
14117 279 19 15 Telefonica del Sur S.A.
11556 231 128 4 Cable-Wireless Panama
6147 225 172 27 Telefonica Del Peru
6503 208 172 85 AVANTEL, S.A.
10620 208 59 14 TVCABLE BOGOTA
23216 196 16 43 RAMtelecom Telecomunicaciones
10481 181 72 8 Prima S.A.
14522 176 28 7 SatNet S.A.
8163 174 11 8 METROTEL REDES S.A.
7738 156 506 23 Telecomunicacoes da Bahia S.A
21826 156 27 59 INTERCABLE
7910 155 11 30 ANDINET ON LINE
19169 153 10 31 Telconet
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 278 867 221 The Internet Solution
8452 229 188 7 TEDATA
6713 142 135 11 Itissalat Al-MAGHRIB
2018 136 301 111 Tertiary Education Network
5536 124 8 10 Internet Egypt Network
33783 124 8 12 EEPAD TISP TELECOM & INTERNET
24835 86 48 6 RAYA Telecom - Egypt
2905 77 174 73 The Internetworking Company o
15475 76 84 4 Nile Online
2561 62 6 2 Egyptian Universities Network
15706 56 12 4 Sudatel Internet Exchange Aut
23889 49 16 14 MAURITIUS TELECOM
5713 46 294 36 Telkom SA Ltd
33774 43 29 24 AS Number for Telecom Algeria
16637 37 21 29 Johnnic e-Ventures
12455 35 6 3 Jambonet Autonomous system
33776 35 2 6 Starcomms Nigeria Limited
8524 32 2 8 AUCEGYPT Autonomous System
21280 29 4 4 Swift Global Kenya Ltd.Is an
10798 24 2 15 Standard Bank of South Africa
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1267 1195 Videsh Sanchar Nigam Ltd. Aut
11492 1096 1072 Cable One
4134 1352 1068 CHINANET-BACKBONE
18566 1013 1004 Covad Communications
6478 1125 950 AT&T Worldnet Services
4323 1322 947 Time Warner Telecom
9498 965 897 BHARTI BT INTERNET LTD.
9583 1114 739 Sify Limited
22773 733 687 Cox Communications, Inc.
17488 716 664 Hathway IP Over Cable Interne
8151 858 650 UniNet S.A. de C.V.
5668 617 596 CenturyTel Internet Holdings,
19262 779 578 Verizon Global Networks
7545 677 566 TPG Internet Pty Ltd
7029 614 535 Alltel Information Services,
18101 564 526 Reliance Infocom Ltd Internet
6517 561 524 Yipes Communications, Inc.
6197 1027 518 BellSouth Network Solutions,
19916 568 517 OLM LLC
15270 555 517 PaeTec.net -a division of Pae
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65332 PRIVATE 63.166.106.192/27 1803 SPRINT
65502 PRIVATE 63.220.13.0/24 19316 Spectrum Access, Inc
43185 UNALLOCATED 77.95.208.0/21 12779 ITGATE.Net
38347 UNALLOCATED 116.212.160.0/21 9389 BEIJING SHENZHOU GRE
38347 UNALLOCATED 116.212.168.0/21 9389 BEIJING SHENZHOU GRE
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
7.1.1.0/24 1239 Sprint
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
192.153.136.0/21 721 DLA Systems Automation Center
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 /8:18 /9:9 /10:15 /11:36 /12:129
/13:253 /14:466 /15:900 /16:9542 /17:4008 /18:6497
/19:13716 /20:15965 /21:14434 /22:18793 /23:19705 /24:118415
/25:786 /26:988 /27:480 /28:78 /29:10 /30:14
/31:0 /32:13
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6478 1115 1125 AT&T Worldnet Services
11492 1087 1096 Cable One
18566 995 1013 Covad Communications
9583 955 1114 Sify Limited
2386 902 1210 AT&T Data Communications Serv
7018 791 1459 AT&T WorldNet Services
23577 789 798 Korea Telecom (ATM-MPLS)
6197 780 1027 BellSouth Network Solutions,
7011 750 851 Citizens Utilities
4755 662 1267 Videsh Sanchar Nigam Ltd. Aut
9498 640 965 BHARTI BT INTERNET LTD.
4766 589 782 Korea Telecom (KIX)
19916 563 568 OLM LLC
4323 554 1322 Time Warner Telecom
17488 539 716 Hathway IP Over Cable Interne
6517 526 561 Yipes Communications, Inc.
15270 519 555 PaeTec.net -a division of Pae
4668 500 510 LG-EDS Systems Inc.
5668 481 617 CenturyTel Internet Holdings,
18101 479 564 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 7:1 8:83 9:1 12:1807 15:19
16:3 17:3 18:11 20:37 24:938 25:1
32:50 33:3 38:332 40:60 41:210 44:2
47:3 52:4 55:3 56:3 57:25 58:428
59:377 60:323 61:982 62:874 63:1957 64:3127
65:2346 66:3301 67:741 68:625 69:1900 70:433
71:106 72:1341 73:2 74:568 75:267 76:73
77:285 78:19 80:829 81:812 82:670 83:383
84:483 85:860 86:340 87:450 88:284 89:875
90:7 91:409 97:6 98:4 116:250 117:50
121:222 122:576 123:123 124:843 125:940 128:288
129:222 130:139 131:362 132:54 133:9 134:195
135:38 136:185 137:81 138:149 139:72 140:493
141:173 142:375 143:236 144:297 145:45 146:324
147:120 148:403 149:144 150:113 151:156 152:90
153:127 154:4 155:254 156:153 157:213 158:158
159:163 160:105 161:93 162:219 163:180 164:435
165:408 166:294 167:292 168:506 169:120 170:406
171:20 172:1 189:63 190:718 192:5750 193:3900
194:3154 195:2238 196:960 198:3810 199:3273 200:4919
201:1096 202:7369 203:7567 204:3950 205:2015 206:2395
207:2828 208:2708 209:3506 210:2443 211:931 212:1304
213:1478 214:413 215:41 216:4005 217:1155 218:361
219:385 220:993 221:410 222:265
End of report
