[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 23 May, 2007
Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/05/23/0400
Analysis Summary
----------------
BGP routing table entries examined: 220995
Prefixes after maximum aggregation: 117163
Deaggregation factor: 1.89
Unique aggregates announced to Internet: 106198
Total ASes present in the Internet Routing Table: 25245
Prefixes per ASN: 8.75
Origin-only ASes present in the Internet Routing Table: 21992
Origin ASes announcing only one prefix: 10657
Transit ASes present in the Internet Routing Table: 3253
Transit-only ASes present in the Internet Routing Table: 75
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN (16327) 21
Prefixes from unregistered ASNs in the Routing Table: 6
Unregistered ASNs in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 7
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1720690400
Equivalent to 102 /8s, 143 /16s and 166 /24s
Percentage of available address space announced: 46.4
Percentage of allocated address space announced: 61.5
Percentage of available address space allocated: 75.5
Total number of prefixes smaller than registry allocations: 115816
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 50950
Total APNIC prefixes after maximum aggregation: 19963
APNIC Deaggregation factor: 2.55
Prefixes being announced from the APNIC address blocks: 47957
Unique aggregates announced from the APNIC address blocks: 20216
APNIC Region origin ASes present in the Internet Routing Table: 2950
APNIC Prefixes per ASN: 16.26
APNIC Region origin ASes announcing only one prefix: 791
APNIC Region transit ASes present in the Internet Routing Table: 442
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 293579424
Equivalent to 17 /8s, 127 /16s and 170 /24s
Percentage of available APNIC address space announced: 72.7
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: 106632
Total ARIN prefixes after maximum aggregation: 62170
ARIN Deaggregation factor: 1.72
Prefixes being announced from the ARIN address blocks: 78626
Unique aggregates announced from the ARIN address blocks: 30717
ARIN Region origin ASes present in the Internet Routing Table: 11587
ARIN Prefixes per ASN: 6.79
ARIN Region origin ASes announcing only one prefix: 4449
ARIN Region transit ASes present in the Internet Routing Table: 1051
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 333720704
Equivalent to 19 /8s, 228 /16s and 44 /24s
Percentage of available ARIN address space announced: 73.7
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: 45605
Total RIPE prefixes after maximum aggregation: 29858
RIPE Deaggregation factor: 1.53
Prefixes being announced from the RIPE address blocks: 42114
Unique aggregates announced from the RIPE address blocks: 28175
RIPE Region origin ASes present in the Internet Routing Table: 9650
RIPE Prefixes per ASN: 4.36
RIPE Region origin ASes announcing only one prefix: 5104
RIPE Region transit ASes present in the Internet Routing Table: 1554
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 306365312
Equivalent to 18 /8s, 66 /16s and 195 /24s
Percentage of available RIPE address space announced: 76.1
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: 15222
Total LACNIC prefixes after maximum aggregation: 4162
LACNIC Deaggregation factor: 3.66
Prefixes being announced from the LACNIC address blocks: 13292
Unique aggregates announced from the LACNIC address blocks: 7286
LACNIC Region origin ASes present in the Internet Routing Table: 795
LACNIC Prefixes per ASN: 16.72
LACNIC Region origin ASes announcing only one prefix: 257
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: 22
Number of LACNIC addresses announced to Internet: 38882048
Equivalent to 2 /8s, 81 /16s and 75 /24s
Percentage of available LACNIC address space announced: 57.9
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: 2574
Total AfriNIC prefixes after maximum aggregation: 998
AfriNIC Deaggregation factor: 2.58
Prefixes being announced from the AfriNIC address blocks: 1958
Unique aggregates announced from the AfriNIC address blocks: 1182
AfriNIC Region origin ASes present in the Internet Routing Table: 187
AfriNIC Prefixes per ASN: 10.47
AfriNIC Region origin ASes announcing only one prefix: 56
AfriNIC Region transit ASes present in the Internet Routing Table: 36
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 6124800
Equivalent to 0 /8s, 93 /16s and 117 /24s
Percentage of available AfriNIC address space announced: 18.3
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 1279 9710 275 CHINANET-BACKBONE
4755 1215 383 72 Videsh Sanchar Nigam Ltd. Aut
9583 1113 108 16 Sify Limited
9498 982 469 73 BHARTI BT INTERNET LTD.
4766 783 4943 312 Korea Telecom (KIX)
23577 777 35 707 Korea Telecom (ATM-MPLS)
17488 691 45 36 Hathway IP Over Cable Interne
7545 620 142 77 TPG Internet Pty Ltd
1221 549 1954 424 Telstra Pty Ltd
18101 541 116 34 Reliance Infocom Ltd Internet
4668 505 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
4812 459 807 76 China Telecom (Shanghai)
9443 455 115 74 Primus Telecommunications
7474 410 218 269 SingTel Optus Pty Ltd
4802 409 86 148 Wantree Development
9829 362 258 14 BSNL National Internet Backbo
17557 356 37 169 Pakistan Telecom
4837 342 4693 157 chinanet IDC center beijing n
4808 330 669 112 CNCGROUP IP network: China169
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1502 6163 990 AT&T WorldNet Services
4323 1270 1032 364 Time Warner Telecom
2386 1152 596 758 AT&T Data Communications Serv
6478 1100 342 125 AT&T Worldnet Services
11492 1070 104 23 Cable One
6197 1036 703 505 BellSouth Network Solutions,
18566 1007 288 9 Covad Communications
174 953 6791 863 Cogent Communications
701 953 6613 730 UUNET Technologies, Inc.
1239 818 2731 580 Sprint
20115 805 724 426 Charter Communications
7011 797 227 477 Citizens Utilities
19262 776 2645 209 Verizon Global Networks
209 740 3848 581 Qwest
22773 717 1888 43 Cox Communications, Inc.
5668 599 160 17 CenturyTel Internet Holdings,
7385 597 166 463 Linkport Communications
852 590 1098 371 Telus Advanced Communications
7029 587 456 79 Alltel Information Services,
721 586 21739 269 DLA Systems Automation Center
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 519 1939 412 UUNET - Commercial IP service
24863 346 47 32 LINKdotNET AS number
3301 308 1455 288 TeliaNet Sweden
3320 306 4994 253 Deutsche Telekom AG
6746 278 128 254 Dynamic Network Technologies,
680 257 2044 250 DFN-IP service G-WiN
8220 248 459 239 COLT Telecommunications
3215 238 2254 95 France Telecom Transpac
8708 235 287 228 Romania Data Systems S.A.
3269 216 2647 74 TELECOM ITALIA
8551 206 196 30 Bezeq International
3246 202 337 192 Song Networks
3352 202 1783 37 Ibernet, Internet Access Netw
9116 197 136 25 Goldenlines main autonomous s
1257 190 1180 168 SWIPnet Swedish IP Network
12479 184 578 6 Uni2 Autonomous System
30890 184 15 91 SC Kappa Invexim SRL
3300 183 171 89 AUCS Communications Services
786 176 1795 176 The JANET IP Service
5089 174 1658 53 NTL Group Limited
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1251 1870 211 UniNet S.A. de C.V.
11830 483 299 19 Instituto Costarricense de El
11172 363 116 63 Servicios Alestra S.A de C.V
16814 361 22 8 NSS, S.A.
22047 318 238 12 VTR PUNTO NET S.A.
7303 282 143 29 Telecom Argentina Stet-France
6471 259 74 31 ENTEL CHILE S.A.
14117 243 17 14 Telefonica del Sur S.A.
11556 229 128 3 Cable-Wireless Panama
6147 222 168 25 Telefonica Del Peru
6503 215 172 86 AVANTEL, S.A.
20299 195 23 12 NEWCOM AMERICAS
10620 186 53 24 TVCABLE BOGOTA
10481 181 72 8 Prima S.A.
14522 167 27 8 SatNet S.A.
23216 157 19 42 RAMtelecom Telecomunicaciones
21826 155 27 59 INTERCABLE
7910 154 11 29 ANDINET ON LINE
19429 154 94 43 E.T.B.
7738 143 474 22 Telecomunicacoes da Bahia S.A
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 283 867 224 The Internet Solution
8452 228 188 7 TEDATA
6713 143 135 11 Itissalat Al-MAGHRIB
2018 136 301 111 Tertiary Education Network
15475 134 84 4 Nile Online
5536 123 8 15 Internet Egypt Network
33783 119 8 9 EEPAD TISP TELECOM & INTERNET
24835 85 48 6 RAYA Telecom - Egypt
2905 77 174 73 The Internetworking Company o
2561 61 6 2 Egyptian Universities Network
15706 56 12 4 Sudatel Internet Exchange Aut
23889 49 16 13 MAURITIUS TELECOM
5713 44 294 34 Telkom SA Ltd
33774 42 13 23 AS Number for Telecom Algeria
16637 33 21 25 Johnnic e-Ventures
33776 31 2 6 Starcomms Nigeria Limited
8524 30 2 6 AUCEGYPT Autonomous System
21280 28 4 4 Swift Global Kenya Ltd.Is an
33766 26 2 1 Nyala Communications Pty Ltd
12455 25 6 3 Jambonet Autonomous system
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1215 1143 Videsh Sanchar Nigam Ltd. Aut
9583 1113 1097 Sify Limited
11492 1070 1047 Cable One
8151 1251 1040 UniNet S.A. de C.V.
4134 1279 1004 CHINANET-BACKBONE
18566 1007 998 Covad Communications
6478 1100 975 AT&T Worldnet Services
9498 982 909 BHARTI BT INTERNET LTD.
4323 1270 906 Time Warner Telecom
22773 717 674 Cox Communications, Inc.
17488 691 655 Hathway IP Over Cable Interne
5668 599 582 CenturyTel Internet Holdings,
19262 776 567 Verizon Global Networks
7545 620 543 TPG Internet Pty Ltd
6197 1036 531 BellSouth Network Solutions,
19916 568 517 OLM LLC
7029 587 508 Alltel Information Services,
18101 541 507 Reliance Infocom Ltd Internet
15270 534 499 PaeTec.net -a division of Pae
855 566 495 Canadian Research Network
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65019 PRIVATE 63.138.117.0/24 19034 Norcom Networks Corp
65332 PRIVATE 63.166.106.192/27 1803 SPRINT
65242 PRIVATE 64.222.142.0/24 13674 Bell Atlantic Global
64858 PRIVATE 84.36.180.0/24 20858 EgyNet
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 /8:19 /9:9 /10:14 /11:35 /12:122
/13:237 /14:451 /15:869 /16:9398 /17:3877 /18:6383
/19:13493 /20:15409 /21:13939 /22:18158 /23:19349 /24:117091
/25:771 /26:824 /27:472 /28:62 /29:5 /30:0
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6478 1091 1100 AT&T Worldnet Services
11492 1056 1070 Cable One
18566 989 1007 Covad Communications
9583 943 1113 Sify Limited
2386 847 1152 AT&T Data Communications Serv
7018 807 1502 AT&T WorldNet Services
6197 794 1036 BellSouth Network Solutions,
23577 763 777 Korea Telecom (ATM-MPLS)
7011 699 797 Citizens Utilities
9498 651 982 BHARTI BT INTERNET LTD.
8151 628 1251 UniNet S.A. de C.V.
4755 611 1215 Videsh Sanchar Nigam Ltd. Aut
4766 590 783 Korea Telecom (KIX)
19916 563 568 OLM LLC
4323 527 1270 Time Warner Telecom
17488 512 691 Hathway IP Over Cable Interne
15270 501 534 PaeTec.net -a division of Pae
4668 495 505 LG-EDS Systems Inc.
18101 465 541 Reliance Infocom Ltd Internet
855 464 566 Canadian Research Network
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 7:1 8:73 9:1 12:1800 15:19
16:3 17:3 18:8 20:38 24:944 25:1
32:52 33:2 38:312 40:61 41:129 44:2
47:5 52:4 55:2 56:3 57:25 58:398
59:390 60:293 61:946 62:893 63:1974 64:3115
65:2363 66:3264 67:812 68:638 69:1838 70:516
71:105 72:1331 73:1 74:474 75:260 76:56
77:202 78:2 80:819 81:801 82:578 83:382
84:408 85:757 86:345 87:463 88:271 89:867
90:6 91:310 97:6 116:78 121:184 122:528
123:102 124:810 125:935 128:282 129:222 130:128
131:364 132:52 133:10 134:192 135:38 136:185
137:80 138:139 139:70 140:477 141:170 142:368
143:234 144:291 145:43 146:323 147:118 148:395
149:142 150:114 151:159 152:92 153:124 154:4
155:254 156:151 157:188 158:159 159:158 160:106
161:91 162:234 163:185 164:451 165:404 166:239
167:284 168:498 169:120 170:401 171:16 172:1
189:471 190:619 192:5763 193:3839 194:3123 195:2219
196:943 198:3739 199:3299 200:4773 201:1031 202:7295
203:7527 204:3954 205:2073 206:2356 207:2883 208:2695
209:3577 210:2467 211:965 212:1304 213:1465 214:410
215:40 216:4017 217:1150 218:359 219:365 220:948
221:396 222:253
End of report
