[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 07 Nov, 2007
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 236970
Prefixes after maximum aggregation: 122537
Deaggregation factor: 1.93
Unique aggregates announced to Internet: 115418
Total ASes present in the Internet Routing Table: 26605
Prefixes per ASN: 8.91
Origin-only ASes present in the Internet Routing Table: 23165
Origin ASes announcing only one prefix: 11298
Transit ASes present in the Internet Routing Table: 3440
Transit-only ASes present in the Internet Routing Table: 82
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 21
Max AS path prepend of ASN (35389) 18
Prefixes from unregistered ASNs in the Routing Table: 13
Unregistered ASNs in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1788812032
Equivalent to 106 /8s, 159 /16s and 27 /24s
Percentage of available address space announced: 48.3
Percentage of allocated address space announced: 61.7
Percentage of available address space allocated: 78.2
Total number of prefixes smaller than registry allocations: 110068
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 55260
Total APNIC prefixes after maximum aggregation: 21132
APNIC Deaggregation factor: 2.61
Prefixes being announced from the APNIC address blocks: 52215
Unique aggregates announced from the APNIC address blocks: 23117
APNIC Region origin ASes present in the Internet Routing Table: 3076
APNIC Prefixes per ASN: 16.97
APNIC Region origin ASes announcing only one prefix: 804
APNIC Region transit ASes present in the Internet Routing Table: 469
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 323870400
Equivalent to 19 /8s, 77 /16s and 222 /24s
Percentage of available APNIC address space announced: 74.1
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, 114/7, 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: 111268
Total ARIN prefixes after maximum aggregation: 63936
ARIN Deaggregation factor: 1.74
Prefixes being announced from the ARIN address blocks: 82196
Unique aggregates announced from the ARIN address blocks: 32638
ARIN Region origin ASes present in the Internet Routing Table: 11924
ARIN Prefixes per ASN: 6.89
ARIN Region origin ASes announcing only one prefix: 4594
ARIN Region transit ASes present in the Internet Routing Table: 1112
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 14
Number of ARIN addresses announced to Internet: 352190976
Equivalent to 20 /8s, 254 /16s and 2 /24s
Percentage of available ARIN address space announced: 77.7
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, 96/6, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 49534
Total RIPE prefixes after maximum aggregation: 31838
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 46465
Unique aggregates announced from the RIPE address blocks: 30540
RIPE Region origin ASes present in the Internet Routing Table: 10441
RIPE Prefixes per ASN: 4.45
RIPE Region origin ASes announcing only one prefix: 5548
RIPE Region transit ASes present in the Internet Routing Table: 1638
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 335596288
Equivalent to 20 /8s, 0 /16s and 203 /24s
Percentage of available RIPE address space announced: 76.9
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
40960-45055
RIPE Address Blocks 62/8, 77/8, 78/7, 80/4, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 17679
Total LACNIC prefixes after maximum aggregation: 4551
LACNIC Deaggregation factor: 3.88
Prefixes being announced from the LACNIC address blocks: 15598
Unique aggregates announced from the LACNIC address blocks: 8649
LACNIC Region origin ASes present in the Internet Routing Table: 870
LACNIC Prefixes per ASN: 17.93
LACNIC Region origin ASes announcing only one prefix: 281
LACNIC Region transit ASes present in the Internet Routing Table: 150
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 45932672
Equivalent to 2 /8s, 188 /16s and 224 /24s
Percentage of available LACNIC address space announced: 45.6
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 186/7, 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 3207
Total AfriNIC prefixes after maximum aggregation: 1064
AfriNIC Deaggregation factor: 3.01
Prefixes being announced from the AfriNIC address blocks: 2351
Unique aggregates announced from the AfriNIC address blocks: 1392
AfriNIC Region origin ASes present in the Internet Routing Table: 211
AfriNIC Prefixes per ASN: 11.14
AfriNIC Region origin ASes announcing only one prefix: 71
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: 14
Number of AfriNIC addresses announced to Internet: 7600384
Equivalent to 0 /8s, 115 /16s and 249 /24s
Percentage of available AfriNIC address space announced: 22.7
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
4755 1473 382 67 Videsh Sanchar Nigam Ltd. Aut
4134 1102 11568 303 CHINANET-BACKBONE
9583 1101 81 417 Sify Limited
9498 1046 549 64 BHARTI BT INTERNET LTD.
17488 874 57 69 Hathway IP Over Cable Interne
4766 814 5473 327 Korea Telecom (KIX)
23577 772 34 679 Korea Telecom (ATM-MPLS)
7545 720 159 121 TPG Internet Pty Ltd
18101 609 119 53 Reliance Infocom Ltd Internet
1221 541 1951 421 Telstra Pty Ltd
9829 530 1312 9 BSNL National Internet Backbo
4812 524 866 77 China Telecom (Shanghai)
4668 522 68 10 LG-EDS Systems Inc.
17676 504 10919 64 Softbank BB Corp.
4808 500 797 121 CNCGROUP IP network: China169
4802 481 130 141 Wantree Development
9443 439 121 70 Primus Telecommunications
7474 382 202 268 SingTel Optus Pty Ltd
17974 372 146 14 PT TELEKOMUNIKASI INDONESIA
4837 356 5042 168 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1499 6146 1007 AT&T WorldNet Services
4323 1362 1014 360 Time Warner Telecom
2386 1259 630 769 AT&T Data Communications Serv
11492 1164 120 49 Cable One
6478 1121 329 184 AT&T Worldnet Services
18566 1030 288 9 Covad Communications
6197 1029 718 508 BellSouth Network Solutions,
174 982 6882 847 Cogent Communications
7011 979 290 562 Citizens Utilities
701 898 6568 704 UUNET Technologies, Inc.
1785 875 462 216 AppliedTheory Corporation
20115 847 773 459 Charter Communications
22773 802 2133 54 Cox Communications, Inc.
19262 797 2861 182 Verizon Global Networks
1239 795 2713 553 Sprint
3356 789 10877 405 Level 3 Communications, LLC
209 731 3784 574 Qwest
5668 662 176 17 CenturyTel Internet Holdings,
3561 592 2324 375 Savvis
6517 584 163 33 Yipes Communications, Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 468 1917 381 UUNET - Commercial IP service
9116 335 168 28 Goldenlines main autonomous s
3301 316 1441 293 TeliaNet Sweden
3320 316 6035 262 Deutsche Telekom AG
8551 310 298 41 Bezeq International
8708 274 421 245 Romania Data Systems S.A.
6746 273 129 251 Dynamic Network Technologies,
8866 269 62 25 Bulgarian Telecommunication C
680 268 2045 254 DFN-IP service G-WiN
3215 263 2503 98 France Telecom Transpac
8220 256 444 238 COLT Telecommunications
8452 242 188 7 TEDATA
3352 235 1932 41 Ibernet, Internet Access Netw
3269 228 2935 75 TELECOM ITALIA
9121 212 1442 25 TTnet Autonomous System
3300 197 171 93 AUCS Communications Services
3246 195 257 185 Song Networks
12479 195 578 6 Uni2 Autonomous System
1257 194 1195 177 SWIPnet Swedish IP Network
3292 193 1380 177 TDC Tele Danmark
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1163 2419 218 UniNet S.A. de C.V.
11830 514 299 9 Instituto Costarricense de El
16814 427 27 10 NSS, S.A.
14522 381 33 8 SatNet S.A.
11172 377 114 60 Servicios Alestra S.A de C.V
7303 372 180 55 Telecom Argentina Stet-France
6471 353 77 37 ENTEL CHILE S.A.
22047 317 246 13 VTR PUNTO NET S.A.
10481 301 120 10 Prima S.A.
14117 285 19 15 Telefonica del Sur S.A.
10620 249 69 41 TVCABLE BOGOTA
6147 242 182 20 Telefonica Del Peru
11556 235 128 3 Cable-Wireless Panama
6503 215 187 84 AVANTEL, S.A.
28573 211 314 27 NET Servicos de Comunicao S.A
7738 205 538 24 Telecomunicacoes da Bahia S.A
23216 203 17 42 RAMtelecom Telecomunicaciones
21826 184 33 49 INTERCABLE
19169 182 12 19 Telconet
20299 181 33 30 NEWCOM AMERICAS
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 379 59 40 LINKdotNET AS number
3741 280 869 225 The Internet Solution
20858 195 34 3 EgyNet
6713 143 135 11 Itissalat Al-MAGHRIB
2018 140 299 115 Tertiary Education Network
33783 127 8 11 EEPAD TISP TELECOM & INTERNET
5536 124 8 10 Internet Egypt Network
33776 98 6 8 Starcomms Nigeria Limited
24835 88 48 6 RAYA Telecom - Egypt
15475 81 84 4 Nile Online
2905 75 174 72 The Internetworking Company o
23889 74 24 15 MAURITIUS TELECOM
16637 67 21 29 Johnnic e-Ventures
20484 64 5 6 Yalla Online Autonomous Syste
15706 57 12 4 Sudatel Internet Exchange Aut
29571 56 11 7 Ci Telecom Autonomous system
33774 48 33 26 AS Number for Telecom Algeria
5713 45 294 35 Telkom SA Ltd
12455 36 6 3 Jambonet Autonomous system
8524 32 2 10 AUCEGYPT Autonomous System
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1473 1406 Videsh Sanchar Nigam Ltd. Aut
11492 1164 1115 Cable One
18566 1030 1021 Covad Communications
4323 1362 1002 Time Warner Telecom
9498 1046 982 BHARTI BT INTERNET LTD.
8151 1163 945 UniNet S.A. de C.V.
6478 1121 937 AT&T Worldnet Services
17488 874 805 Hathway IP Over Cable Interne
4134 1102 799 CHINANET-BACKBONE
22773 802 748 Cox Communications, Inc.
9583 1101 684 Sify Limited
1785 875 659 AppliedTheory Corporation
5668 662 645 CenturyTel Internet Holdings,
19262 797 615 Verizon Global Networks
7545 720 599 TPG Internet Pty Ltd
18101 609 556 Reliance Infocom Ltd Internet
6517 584 551 Yipes Communications, Inc.
19916 569 522 OLM LLC
6197 1029 521 BellSouth Network Solutions,
9829 530 521 BSNL National Internet Backbo
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
64999 PRIVATE 78.24.120.0/23 3257 Tiscali Intl Network
64999 PRIVATE 78.24.122.0/23 3257 Tiscali Intl Network
64999 PRIVATE 78.24.124.0/24 3257 Tiscali Intl Network
64999 PRIVATE 78.24.125.0/24 3257 Tiscali Intl Network
64999 PRIVATE 78.24.126.0/24 3257 Tiscali Intl Network
64999 PRIVATE 78.24.127.0/24 3257 Tiscali Intl Network
65068 PRIVATE 79.171.184.0/21 43895 *
64718 PRIVATE 81.200.197.0/24 25325 AS of Deutsche Bahn
64718 PRIVATE 81.200.198.0/23 25325 AS of Deutsche Bahn
64719 PRIVATE 81.200.204.0/24 25325 AS of Deutsche Bahn
65300 PRIVATE 216.243.221.0/24 11320 Internet Express, In
65300 PRIVATE 216.243.222.0/24 11320 Internet Express, In
65300 PRIVATE 216.243.223.0/24 11320 Internet Express, In
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
172.14.254.0/24 20312 CNTI-REACCIUN "Centro Naciona
172.15.254.0/24 20312 CNTI-REACCIUN "Centro Naciona
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 /10:16 /11:39 /12:136
/13:270 /14:482 /15:951 /16:9702 /17:4169 /18:6719
/19:14627 /20:16717 /21:15596 /22:19830 /23:20852 /24:124358
/25:803 /26:1013 /27:538 /28:112 /29:5 /30:0
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1155 1164 Cable One
6478 1120 1121 AT&T Worldnet Services
18566 1012 1030 Covad Communications
2386 947 1259 AT&T Data Communications Serv
9583 947 1101 Sify Limited
7011 866 979 Citizens Utilities
4755 850 1473 Videsh Sanchar Nigam Ltd. Aut
7018 825 1499 AT&T WorldNet Services
6197 773 1029 BellSouth Network Solutions,
23577 763 772 Korea Telecom (ATM-MPLS)
9498 730 1046 BHARTI BT INTERNET LTD.
17488 689 874 Hathway IP Over Cable Interne
1785 682 875 AppliedTheory Corporation
4766 605 814 Korea Telecom (KIX)
4323 576 1362 Time Warner Telecom
19916 564 569 OLM LLC
6517 540 584 Yipes Communications, Inc.
5668 520 662 CenturyTel Internet Holdings,
4668 512 522 LG-EDS Systems Inc.
18101 509 609 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:89 12:1804 15:19 16:3 17:6
18:13 20:35 24:1000 25:1 32:57 33:3
38:356 40:63 41:384 44:2 47:8 52:3
55:3 56:3 57:21 58:478 59:415 60:383
61:990 62:936 63:1985 64:3287 65:2371 66:3566
67:874 68:685 69:2016 70:466 71:107 72:1419
73:7 74:746 75:264 76:157 77:418 78:269
79:9 80:862 81:796 82:577 83:349 84:637
85:820 86:412 87:589 88:281 89:1026 90:38
91:720 92:5 96:1 97:6 98:12 116:421
117:204 118:44 121:337 122:643 123:207 124:707
125:1036 128:308 129:195 130:141 131:366 132:56
133:9 134:193 135:33 136:190 137:82 138:152
139:76 140:514 141:145 142:372 143:258 144:319
145:48 146:325 147:130 148:485 149:184 150:168
151:137 152:92 153:121 154:11 155:261 156:163
157:223 158:160 159:193 160:131 161:100 162:190
163:183 164:485 165:398 166:290 167:309 168:465
169:126 170:417 171:24 172:5 189:112 190:1174
192:5725 193:4045 194:3206 195:2455 196:920 198:3796
199:3227 200:5203 201:1229 202:7471 203:7811 204:3979
205:1991 206:2420 207:2791 208:2925 209:3600 210:2500
211:1077 212:1303 213:1523 214:431 215:44 216:4099
217:1200 218:322 219:397 220:1016 221:407 222:266
End of report
