[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 Sun 21 Oct, 2007
Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/10/21/0400
Analysis Summary
----------------
BGP routing table entries examined: 235023
Prefixes after maximum aggregation: 121476
Deaggregation factor: 1.93
Unique aggregates announced to Internet: 113591
Total ASes present in the Internet Routing Table: 26486
Prefixes per ASN: 8.87
Origin-only ASes present in the Internet Routing Table: 23046
Origin ASes announcing only one prefix: 11218
Transit ASes present in the Internet Routing Table: 3440
Transit-only ASes present in the Internet Routing Table: 78
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 20
Max AS path prepend of ASN (35389) 16
Prefixes from unregistered ASNs in the Routing Table: 21
Unregistered ASNs in the Routing Table: 5
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: 10
Number of addresses announced to Internet: 1796219520
Equivalent to 107 /8s, 16 /16s and 34 /24s
Percentage of available address space announced: 48.5
Percentage of allocated address space announced: 62.7
Percentage of available address space allocated: 77.3
Total number of prefixes smaller than registry allocations: 108862
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 54931
Total APNIC prefixes after maximum aggregation: 20662
APNIC Deaggregation factor: 2.66
Prefixes being announced from the APNIC address blocks: 51861
Unique aggregates announced from the APNIC address blocks: 21900
APNIC Region origin ASes present in the Internet Routing Table: 3074
APNIC Prefixes per ASN: 16.87
APNIC Region origin ASes announcing only one prefix: 813
APNIC Region transit ASes present in the Internet Routing Table: 466
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 322186688
Equivalent to 19 /8s, 52 /16s and 45 /24s
Percentage of available APNIC address space announced: 79.8
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: 110420
Total ARIN prefixes after maximum aggregation: 63548
ARIN Deaggregation factor: 1.74
Prefixes being announced from the ARIN address blocks: 81595
Unique aggregates announced from the ARIN address blocks: 32327
ARIN Region origin ASes present in the Internet Routing Table: 11884
ARIN Prefixes per ASN: 6.87
ARIN Region origin ASes announcing only one prefix: 4562
ARIN Region transit ASes present in the Internet Routing Table: 1102
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 347984768
Equivalent to 20 /8s, 189 /16s and 211 /24s
Percentage of available ARIN address space announced: 76.8
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: 49569
Total RIPE prefixes after maximum aggregation: 31666
RIPE Deaggregation factor: 1.57
Prefixes being announced from the RIPE address blocks: 46034
Unique aggregates announced from the RIPE address blocks: 30337
RIPE Region origin ASes present in the Internet Routing Table: 10368
RIPE Prefixes per ASN: 4.44
RIPE Region origin ASes announcing only one prefix: 5498
RIPE Region transit ASes present in the Internet Routing Table: 1646
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 333613184
Equivalent to 19 /8s, 226 /16s and 136 /24s
Percentage of available RIPE address space announced: 76.5
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
40960-45055
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: 17346
Total LACNIC prefixes after maximum aggregation: 4548
LACNIC Deaggregation factor: 3.81
Prefixes being announced from the LACNIC address blocks: 15375
Unique aggregates announced from the LACNIC address blocks: 8632
LACNIC Region origin ASes present in the Internet Routing Table: 871
LACNIC Prefixes per ASN: 17.65
LACNIC Region origin ASes announcing only one prefix: 279
LACNIC Region transit ASes present in the Internet Routing Table: 153
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 44473856
Equivalent to 2 /8s, 166 /16s and 158 /24s
Percentage of available LACNIC address space announced: 44.2
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: 2728
Total AfriNIC prefixes after maximum aggregation: 1038
AfriNIC Deaggregation factor: 2.63
Prefixes being announced from the AfriNIC address blocks: 2309
Unique aggregates announced from the AfriNIC address blocks: 1382
AfriNIC Region origin ASes present in the Internet Routing Table: 210
AfriNIC Prefixes per ASN: 11.00
AfriNIC Region origin ASes announcing only one prefix: 66
AfriNIC Region transit ASes present in the Internet Routing Table: 39
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 7624192
Equivalent to 0 /8s, 116 /16s and 86 /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 1470 383 67 Videsh Sanchar Nigam Ltd. Aut
9583 1129 108 18 Sify Limited
4134 1100 11540 300 CHINANET-BACKBONE
9498 1010 550 68 BHARTI BT INTERNET LTD.
17488 850 55 63 Hathway IP Over Cable Interne
4766 808 5442 321 Korea Telecom (KIX)
23577 791 34 684 Korea Telecom (ATM-MPLS)
7545 728 159 117 TPG Internet Pty Ltd
18101 607 119 52 Reliance Infocom Ltd Internet
4802 571 133 142 Wantree Development
1221 539 1950 419 Telstra Pty Ltd
9829 530 1312 9 BSNL National Internet Backbo
4668 518 68 10 LG-EDS Systems Inc.
4812 517 857 77 China Telecom (Shanghai)
17676 502 10903 63 Softbank BB Corp.
4808 494 792 119 CNCGROUP IP network: China169
9443 440 121 72 Primus Telecommunications
7474 381 218 267 SingTel Optus Pty Ltd
17974 363 130 13 PT TELEKOMUNIKASI INDONESIA
4837 359 5137 170 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1485 6149 995 AT&T WorldNet Services
4323 1367 1006 360 Time Warner Telecom
2386 1237 627 746 AT&T Data Communications Serv
11492 1155 116 16 Cable One
6478 1117 329 169 AT&T Worldnet Services
6197 1029 718 513 BellSouth Network Solutions,
18566 1028 288 9 Covad Communications
174 980 6786 843 Cogent Communications
7011 961 290 558 Citizens Utilities
701 879 6575 687 UUNET Technologies, Inc.
20115 837 765 447 Charter Communications
1239 805 2721 563 Sprint
22773 797 2133 54 Cox Communications, Inc.
19262 789 2847 180 Verizon Global Networks
209 745 3793 586 Qwest
3356 728 10858 388 Level 3 Communications, LLC
5668 661 176 17 CenturyTel Internet Holdings,
6517 588 165 36 Yipes Communications, Inc.
852 584 1107 361 Telus Advanced Communications
19916 569 49 47 OLM LLC
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 474 1920 387 UUNET - Commercial IP service
24863 372 58 36 LINKdotNET AS number
9116 344 168 27 Goldenlines main autonomous s
3301 316 1441 293 TeliaNet Sweden
3320 315 6035 262 Deutsche Telekom AG
8551 297 284 38 Bezeq International
6746 278 130 254 Dynamic Network Technologies,
8708 271 421 243 Romania Data Systems S.A.
680 269 2045 257 DFN-IP service G-WiN
8866 264 62 23 Bulgarian Telecommunication C
3215 263 2488 99 France Telecom Transpac
8220 255 444 237 COLT Telecommunications
3352 232 1914 41 Ibernet, Internet Access Netw
3269 228 2935 75 TELECOM ITALIA
9121 212 1442 25 TTnet Autonomous System
3300 199 171 95 AUCS Communications Services
3292 195 1380 177 TDC Tele Danmark
1257 194 1194 176 SWIPnet Swedish IP Network
12479 194 578 6 Uni2 Autonomous System
3246 193 257 183 Song Networks
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1052 2196 212 UniNet S.A. de C.V.
11830 513 299 18 Instituto Costarricense de El
16814 427 27 10 NSS, S.A.
14522 380 32 7 SatNet S.A.
11172 378 114 60 Servicios Alestra S.A de C.V
7303 358 173 52 Telecom Argentina Stet-France
6471 347 75 36 ENTEL CHILE S.A.
22047 317 246 13 VTR PUNTO NET S.A.
14117 285 19 15 Telefonica del Sur S.A.
10481 261 104 9 Prima S.A.
10620 256 71 27 TVCABLE BOGOTA
11556 236 128 4 Cable-Wireless Panama
6147 231 178 24 Telefonica Del Peru
6503 209 170 82 AVANTEL, S.A.
23216 208 17 45 RAMtelecom Telecomunicaciones
7738 204 538 24 Telecomunicacoes da Bahia S.A
28573 196 306 22 NET Servicos de Comunicao S.A
8163 183 11 8 METROTEL REDES S.A.
21826 181 32 50 INTERCABLE
20299 180 25 30 NEWCOM AMERICAS
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 279 869 225 The Internet Solution
8452 221 188 7 TEDATA
6713 143 135 11 Itissalat Al-MAGHRIB
2018 140 299 115 Tertiary Education Network
33783 125 8 11 EEPAD TISP TELECOM & INTERNET
5536 124 8 10 Internet Egypt Network
33776 100 6 3 Starcomms Nigeria Limited
24835 88 48 6 RAYA Telecom - Egypt
15475 77 84 4 Nile Online
2905 75 174 72 The Internetworking Company o
23889 73 24 15 MAURITIUS TELECOM
15706 55 12 4 Sudatel Internet Exchange Aut
33774 48 33 25 AS Number for Telecom Algeria
5713 46 294 36 Telkom SA Ltd
16637 42 21 29 Johnnic e-Ventures
12455 35 6 3 Jambonet Autonomous system
8524 32 2 10 AUCEGYPT Autonomous System
10798 26 16 1 Standard Bank of South Africa
29975 26 10 9 Vodacom
21280 25 4 4 Swift Global Kenya Ltd.Is an
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1470 1403 Videsh Sanchar Nigam Ltd. Aut
11492 1155 1139 Cable One
9583 1129 1111 Sify Limited
18566 1028 1019 Covad Communications
4323 1367 1007 Time Warner Telecom
6478 1117 948 AT&T Worldnet Services
9498 1010 942 BHARTI BT INTERNET LTD.
8151 1052 840 UniNet S.A. de C.V.
4134 1100 800 CHINANET-BACKBONE
17488 850 787 Hathway IP Over Cable Interne
22773 797 743 Cox Communications, Inc.
5668 661 644 CenturyTel Internet Holdings,
7545 728 611 TPG Internet Pty Ltd
19262 789 609 Verizon Global Networks
18101 607 555 Reliance Infocom Ltd Internet
6517 588 552 Yipes Communications, Inc.
19916 569 522 OLM LLC
9829 530 521 BSNL National Internet Backbo
6197 1029 516 BellSouth Network Solutions,
4668 518 508 LG-EDS Systems Inc.
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
64250 RESERVED 59.144.44.0/24 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.64.0/19 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.96.0/20 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.112.0/21 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.176.0/21 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.188.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.192.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.196.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.200.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.204.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.208.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.212.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.216.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.220.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.240.0/23 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.242.0/23 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.244.0/23 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.246.0/23 9498 BHARTI BT INTERNET L
64250 RESERVED 122.171.0.0/24 9498 BHARTI BT INTERNET L
64250 RESERVED 122.171.1.0/24 9498 BHARTI BT INTERNET L
65000 PRIVATE 216.136.11.0/24 27182 Peregrine Capital Ma
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
172.33.1.0/24 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 /10:16 /11:38 /12:135
/13:267 /14:477 /15:938 /16:9685 /17:4128 /18:6669
/19:14376 /20:16592 /21:15401 /22:19730 /23:20621 /24:123495
/25:786 /26:1012 /27:537 /28:79 /29:5 /30:0
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1146 1155 Cable One
6478 1116 1117 AT&T Worldnet Services
18566 1010 1028 Covad Communications
9583 962 1129 Sify Limited
2386 927 1237 AT&T Data Communications Serv
7011 848 961 Citizens Utilities
4755 839 1470 Videsh Sanchar Nigam Ltd. Aut
7018 812 1485 AT&T WorldNet Services
23577 782 791 Korea Telecom (ATM-MPLS)
6197 773 1029 BellSouth Network Solutions,
9498 693 1010 BHARTI BT INTERNET LTD.
17488 673 850 Hathway IP Over Cable Interne
4766 606 808 Korea Telecom (KIX)
4323 582 1367 Time Warner Telecom
19916 564 569 OLM LLC
6517 543 588 Yipes Communications, Inc.
5668 521 661 CenturyTel Internet Holdings,
4668 508 518 LG-EDS Systems Inc.
18101 508 607 Reliance Infocom Ltd Internet
15270 486 521 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:84 12:1791 15:19 16:3 17:5
18:13 20:36 24:978 25:1 32:60 33:3
38:356 40:64 41:341 44:2 47:8 52:3
55:3 56:3 57:23 58:470 59:416 60:379
61:987 62:928 63:1985 64:3275 65:2368 66:3551
67:829 68:674 69:2001 70:464 71:107 72:1407
73:6 74:722 75:261 76:148 77:394 78:250
80:853 81:800 82:578 83:360 84:618 85:829
86:347 87:579 88:290 89:1060 90:39 91:657
92:3 96:1 97:6 98:6 116:407 117:199
118:40 121:321 122:613 123:204 124:696 125:1035
128:275 129:195 130:136 131:365 132:55 133:9
134:193 135:34 136:188 137:82 138:157 139:74
140:501 141:150 142:370 143:253 144:316 145:46
146:336 147:129 148:483 149:187 150:113 151:137
152:89 153:121 154:11 155:262 156:161 157:221
158:160 159:197 160:136 161:98 162:178 163:183
164:495 165:395 166:290 167:307 168:497 169:124
170:396 171:22 172:2 189:101 190:1170 192:5708
193:3989 194:3218 195:2467 196:937 198:3798 199:3236
200:5238 201:1232 202:7384 203:7874 204:3944 205:2012
206:2419 207:2801 208:2893 209:3483 210:2446 211:1078
212:1326 213:1512 214:415 215:44 216:4098 217:1196
218:318 219:388 220:1000 221:410 222:264
End of report
