[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 15 Feb, 2007
Analysis Summary
----------------
BGP routing table entries examined: 211490
Prefixes after maximum aggregation: 113949
Deaggregation factor: 1.86
Unique aggregates announced to Internet: 102707
Total ASes present in the Internet Routing Table: 24341
Origin-only ASes present in the Internet Routing Table: 21191
Origin ASes announcing only one prefix: 10253
Transit ASes present in the Internet Routing Table: 3150
Transit-only ASes present in the Internet Routing Table: 76
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 32
Max AS path prepend of ASN (20858) 18
Prefixes from unregistered ASNs in the Routing Table: 4
Unregistered ASNs in the Routing Table: 6
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 13
Number of addresses announced to Internet: 1673478028
Equivalent to 99 /8s, 191 /16s and 63 /24s
Percentage of available address space announced: 45.2
Percentage of allocated address space announced: 62.1
Percentage of available address space allocated: 72.8
Total number of prefixes smaller than registry allocations: 108789
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 47476
Total APNIC prefixes after maximum aggregation: 18975
APNIC Deaggregation factor: 2.50
Prefixes being announced from the APNIC address blocks: 44766
Unique aggregates announced from the APNIC address blocks: 19742
APNIC Region origin ASes present in the Internet Routing Table: 2856
APNIC Region origin ASes announcing only one prefix: 793
APNIC Region transit ASes present in the Internet Routing Table: 422
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 279650272
Equivalent to 16 /8s, 171 /16s and 31 /24s
Percentage of available APNIC address space announced: 69.3
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: 103720
Total ARIN prefixes after maximum aggregation: 61410
ARIN Deaggregation factor: 1.69
Prefixes being announced from the ARIN address blocks: 75983
Unique aggregates announced from the ARIN address blocks: 29424
ARIN Region origin ASes present in the Internet Routing Table: 11324
ARIN Region origin ASes announcing only one prefix: 4334
ARIN Region transit ASes present in the Internet Routing Table: 1049
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 318150272
Equivalent to 18 /8s, 246 /16s and 150 /24s
Percentage of available ARIN address space announced: 70.2
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, 96/6, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 43746
Total RIPE prefixes after maximum aggregation: 28567
RIPE Deaggregation factor: 1.53
Prefixes being announced from the RIPE address blocks: 40442
Unique aggregates announced from the RIPE address blocks: 26917
RIPE Region origin ASes present in the Internet Routing Table: 9144
RIPE Region origin ASes announcing only one prefix: 4819
RIPE Region transit ASes present in the Internet Routing Table: 1480
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 32
Number of RIPE addresses announced to Internet: 290528804
Equivalent to 17 /8s, 81 /16s and 30 /24s
Percentage of available RIPE address space announced: 78.7
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
40960-43007
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: 13986
Total LACNIC prefixes after maximum aggregation: 4031
LACNIC Deaggregation factor: 3.47
Prefixes being announced from the LACNIC address blocks: 12052
Unique aggregates announced from the LACNIC address blocks: 6957
LACNIC Region origin ASes present in the Internet Routing Table: 760
LACNIC Region origin ASes announcing only one prefix: 249
LACNIC Region transit ASes present in the Internet Routing Table: 133
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 37558784
Equivalent to 2 /8s, 61 /16s and 26 /24s
Percentage of available LACNIC address space announced: 56.0
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: 2559
Total AfriNIC prefixes after maximum aggregation: 964
AfriNIC Deaggregation factor: 2.65
Prefixes being announced from the AfriNIC address blocks: 1851
Unique aggregates announced from the AfriNIC address blocks: 1174
AfriNIC Region origin ASes present in the Internet Routing Table: 180
AfriNIC Region origin ASes announcing only one prefix: 57
AfriNIC Region transit ASes present in the Internet Routing Table: 37
Average AfriNIC Region AS path length visible: 3.6
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 5407744
Equivalent to 0 /8s, 82 /16s and 132 /24s
Percentage of available AfriNIC address space announced: 16.1
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 1273 8716 276 CHINANET-BACKBONE
4755 1102 383 76 Videsh Sanchar Nigam Ltd. Aut
9583 1049 99 91 Sify Limited
9498 951 467 66 BHARTI BT INTERNET LTD.
23577 779 35 706 Korea Telecom (ATM-MPLS)
4766 765 4944 310 Korea Telecom (KIX)
17488 598 39 24 Hathway IP Over Cable Interne
7545 584 126 74 TPG Internet Pty Ltd
1221 579 1685 444 Telstra Pty Ltd
18101 522 103 23 Reliance Infocom Ltd Internet
17676 503 10935 65 Softbank BB Corp.
9443 443 111 75 Primus Telecommunications
4812 442 795 73 China Telecom (Shanghai)
7474 380 215 257 SingTel Optus Pty Ltd
17849 370 35 94 Telecommunications Technology
4802 359 86 149 Wantree Development
17557 358 34 170 Pakistan Telecom
17974 346 129 14 PT TELEKOMUNIKASI INDONESIA
2907 336 1749 309 SINET Japan
4837 336 4151 148 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1498 6125 982 AT&T WorldNet Services
4323 1251 864 475 Time Warner Telecom
2386 1108 570 733 AT&T Data Communications Serv
6197 1016 651 498 BellSouth Network Solutions,
18566 989 288 9 Covad Communications
11492 956 100 16 Cable One
174 939 6792 866 Cogent Communications
701 939 6696 747 UUNET Technologies, Inc.
6478 887 425 474 AT&T Worldnet Services
1239 824 2730 576 Sprint
20115 804 703 415 Charter Communications
7011 786 227 475 Citizens Utilities
19262 757 2591 178 Verizon Global Networks
22773 728 1872 41 Cox Communications, Inc.
209 718 3742 564 Qwest
721 676 21804 276 DLA Systems Automation Center
852 604 1090 391 Telus Advanced Communications
5668 576 160 16 CenturyTel Internet Holdings,
19916 568 49 54 OLM LLC
855 564 250 70 Canadian Research Network
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 546 1897 424 UUNET - Commercial IP service
3301 315 1199 290 TeliaNet Sweden
24863 308 45 25 LINKdotNET AS number
3320 297 4993 248 Deutsche Telekom AG
8220 269 471 261 COLT Telecommunications
6746 267 95 246 Dynamic Network Technologies,
680 257 2044 251 DFN-IP service G-WiN
8708 240 284 226 Romania Data Systems S.A.
3215 238 2224 92 France Telecom Transpac
1257 222 1100 171 SWIPnet Swedish IP Network
5416 215 14 15 BATELCO-BH
3269 212 2391 71 TELECOM ITALIA
3246 208 355 198 Song Networks
30890 206 17 96 SC Kappa Invexim SRL
8551 201 194 29 Bezeq International
3352 198 1783 32 Ibernet, Internet Access Netw
20858 197 34 3 EgyNet
3300 181 171 90 AUCS Communications Services
12479 177 578 6 Uni2 Autonomous System
786 172 1779 172 The JANET IP Service
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1021 2095 207 UniNet S.A. de C.V.
11830 482 299 19 Instituto Costarricense de El
11172 347 108 84 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
22047 307 206 11 VTR PUNTO NET S.A.
6471 253 74 30 ENTEL CHILE S.A.
7303 250 142 29 Telecom Argentina Stet-France
14117 239 16 13 Telefonica del Sur S.A.
11556 237 128 4 Cable-Wireless Panama
6147 229 182 20 Telefonica Del Peru
6503 218 174 89 AVANTEL, S.A.
10481 181 72 8 Prima S.A.
21826 155 27 56 INTERCABLE
7910 152 11 32 ANDINET ON LINE
23216 148 19 42 RAMtelecom Telecomunicaciones
18822 145 9 10 TELEFONICA MANQUEHUE
20299 144 22 17 NEWCOM AMERICAS
19169 143 9 25 Telconet
19429 143 88 35 E.T.B.
14522 140 22 9 SatNet S.A.
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 290 868 232 The Internet Solution
8452 241 60 6 TEDATA
15475 155 84 4 Nile Online
6713 144 135 11 Itissalat Al-MAGHRIB
2018 138 309 113 Tertiary Education Network
5536 123 8 15 Internet Egypt Network
33783 111 6 5 EEPAD TISP TELECOM & INTERNET
24835 86 48 6 RAYA Telecom - Egypt
2905 79 173 72 The Internetworking Company o
2561 63 6 2 Egyptian Universities Network
15706 55 12 4 Sudatel Internet Exchange Aut
23889 53 16 13 MAURITIUS TELECOM
5713 44 294 34 Telkom SA Ltd
33774 42 12 22 AS Number for Telecom Algeria
16637 33 21 25 Johnnic e-Ventures
33766 33 2 1 Nyala Communications Pty Ltd
8524 30 2 6 AUCEGYPT Autonomous System
33776 27 2 5 Starcomms Nigeria Limited
12455 25 6 3 Jambonet Autonomous system
21280 25 4 4 Swift Global Kenya Ltd.Is an
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1102 1026 Videsh Sanchar Nigam Ltd. Aut
4134 1273 997 CHINANET-BACKBONE
18566 989 980 Covad Communications
9583 1049 958 Sify Limited
11492 956 940 Cable One
9498 951 885 BHARTI BT INTERNET LTD.
8151 1021 814 UniNet S.A. de C.V.
4323 1251 776 Time Warner Telecom
22773 728 687 Cox Communications, Inc.
19262 757 579 Verizon Global Networks
17488 598 574 Hathway IP Over Cable Interne
5668 576 560 CenturyTel Internet Holdings,
6197 1016 518 BellSouth Network Solutions,
19916 568 514 OLM LLC
7545 584 510 TPG Internet Pty Ltd
18101 522 499 Reliance Infocom Ltd Internet
855 564 494 Canadian Research Network
15270 505 471 PaeTec.net -a division of Pae
11830 482 463 Instituto Costarricense de El
4766 765 455 Korea Telecom (KIX)
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65332 PRIVATE 63.166.106.192/27 1803 SPRINT
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
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
42.205.192.0/20 36925 Meditelecom
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
180.190.0.0/16 24003 JUBILANT ORGANOSYS LTD., INDI
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 /8:19 /9:9 /10:12 /11:33 /12:117
/13:226 /14:424 /15:823 /16:9223 /17:3728 /18:6074
/19:13123 /20:14727 /21:13331 /22:17094 /23:18192 /24:112508
/25:690 /26:485 /27:416 /28:68 /29:44 /30:91
/31:0 /32:33
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 971 989 Covad Communications
11492 942 956 Cable One
9583 882 1049 Sify Limited
2386 831 1108 AT&T Data Communications Serv
6478 822 887 AT&T Worldnet Services
7018 806 1498 AT&T WorldNet Services
6197 795 1016 BellSouth Network Solutions,
23577 765 779 Korea Telecom (ATM-MPLS)
7011 685 786 Citizens Utilities
9498 605 951 BHARTI BT INTERNET LTD.
4766 572 765 Korea Telecom (KIX)
19916 563 568 OLM LLC
4755 512 1102 Videsh Sanchar Nigam Ltd. Aut
4323 500 1251 Time Warner Telecom
15270 473 505 PaeTec.net -a division of Pae
855 464 564 Canadian Research Network
18101 453 522 Reliance Infocom Ltd Internet
5668 446 576 CenturyTel Internet Holdings,
17488 420 598 Hathway IP Over Cable Interne
33588 410 432 Bresnan Communications, LLC.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 7:1 8:62 9:1 12:1755 13:1
15:16 16:3 17:3 18:5 20:36 24:890
25:1 32:53 38:281 40:57 41:69 44:2
47:7 52:4 55:1 56:3 57:25 58:305
59:380 60:211 61:928 62:1024 63:1903 64:3223
65:2310 66:3117 67:722 68:655 69:1725 70:448
71:98 72:1193 73:1 74:164 75:79 77:19
80:841 81:774 82:655 83:360 84:505 85:729
86:464 87:482 88:233 89:795 90:3 91:170
97:1 116:1 117:1 118:1 119:1 120:1
121:134 122:104 123:38 124:565 125:783 128:308
129:219 130:136 131:341 132:49 133:9 134:186
135:42 136:181 137:113 138:195 139:53 140:505
141:141 142:371 143:215 144:269 145:43 146:315
147:146 148:377 149:189 150:113 151:116 152:94
153:119 154:5 155:250 156:129 157:174 158:167
159:149 160:98 161:88 162:228 163:162 164:448
165:332 166:246 167:282 168:497 169:120 170:387
171:15 172:1 189:164 190:394 192:5754 193:3706
194:2959 195:2199 196:948 198:3749 199:3281 200:4635
201:976 202:7207 203:7358 204:3952 205:2085 206:2397
207:2863 208:2462 209:3590 210:2378 211:925 212:1299
213:1420 214:409 215:39 216:4061 217:1142 218:347
219:274 220:855 221:368 222:258
End of report
Report Website: http://thyme.apnic.net
