[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 Tue 22 Jan, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 243312
Prefixes after maximum aggregation: 124422
Deaggregation factor: 1.96
Unique aggregates announced to Internet: 118865
Total ASes present in the Internet Routing Table: 27134
Prefixes per ASN: 8.97
Origin-only ASes present in the Internet Routing Table: 23642
Origin ASes announcing only one prefix: 11491
Transit ASes present in the Internet Routing Table: 3492
Transit-only ASes present in the Internet Routing Table: 73
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 18
Max AS path prepend of ASN (29642) 15
Prefixes from unregistered ASNs in the Routing Table: 10
Unregistered ASNs in the Routing Table: 10
Prefixes from 32-bit ASNs in the Routing Table: 9
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1803865120
Equivalent to 107 /8s, 132 /16s and 204 /24s
Percentage of available address space announced: 48.7
Percentage of allocated address space announced: 62.2
Percentage of available address space allocated: 78.2
Total number of prefixes smaller than registry allocations: 114647
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 55827
Total APNIC prefixes after maximum aggregation: 21090
APNIC Deaggregation factor: 2.65
Prefixes being announced from the APNIC address blocks: 53319
Unique aggregates announced from the APNIC address blocks: 23857
APNIC Region origin ASes present in the Internet Routing Table: 3104
APNIC Prefixes per ASN: 17.18
APNIC Region origin ASes announcing only one prefix: 811
APNIC Region transit ASes present in the Internet Routing Table: 459
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 326252448
Equivalent to 19 /8s, 114 /16s and 55 /24s
Percentage of available APNIC address space announced: 74.6
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: 114731
Total ARIN prefixes after maximum aggregation: 65299
ARIN Deaggregation factor: 1.76
Prefixes being announced from the ARIN address blocks: 83651
Unique aggregates announced from the ARIN address blocks: 33320
ARIN Region origin ASes present in the Internet Routing Table: 12082
ARIN Prefixes per ASN: 6.92
ARIN Region origin ASes announcing only one prefix: 4660
ARIN Region transit ASes present in the Internet Routing Table: 1149
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 357763264
Equivalent to 21 /8s, 83 /16s and 8 /24s
Percentage of available ARIN address space announced: 79.0
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: 50908
Total RIPE prefixes after maximum aggregation: 32279
RIPE Deaggregation factor: 1.58
Prefixes being announced from the RIPE address blocks: 48227
Unique aggregates announced from the RIPE address blocks: 32035
RIPE Region origin ASes present in the Internet Routing Table: 10762
RIPE Prefixes per ASN: 4.48
RIPE Region origin ASes announcing only one prefix: 5664
RIPE Region transit ASes present in the Internet Routing Table: 1656
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 340666112
Equivalent to 20 /8s, 78 /16s and 39 /24s
Percentage of available RIPE address space announced: 78.1
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
40960-45055
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: 18455
Total LACNIC prefixes after maximum aggregation: 4636
LACNIC Deaggregation factor: 3.98
Prefixes being announced from the LACNIC address blocks: 16670
Unique aggregates announced from the LACNIC address blocks: 9033
LACNIC Region origin ASes present in the Internet Routing Table: 894
LACNIC Prefixes per ASN: 18.65
LACNIC Region origin ASes announcing only one prefix: 287
LACNIC Region transit ASes present in the Internet Routing Table: 151
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 47265024
Equivalent to 2 /8s, 209 /16s and 53 /24s
Percentage of available LACNIC address space announced: 47.0
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: 3376
Total AfriNIC prefixes after maximum aggregation: 1100
AfriNIC Deaggregation factor: 3.07
Prefixes being announced from the AfriNIC address blocks: 2533
Unique aggregates announced from the AfriNIC address blocks: 1457
AfriNIC Region origin ASes present in the Internet Routing Table: 218
AfriNIC Prefixes per ASN: 11.62
AfriNIC Region origin ASes announcing only one prefix: 69
AfriNIC Region transit ASes present in the Internet Routing Table: 39
Average AfriNIC Region AS path length visible: 3.6
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 8216832
Equivalent to 0 /8s, 125 /16s and 97 /24s
Percentage of available AfriNIC address space announced: 24.5
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 1491 384 74 Videsh Sanchar Nigam Ltd. Aut
9583 1118 82 438 Sify Limited
9498 1105 549 61 BHARTI BT INTERNET LTD.
17488 960 62 87 Hathway IP Over Cable Interne
4134 862 11761 310 CHINANET-BACKBONE
4766 841 5494 340 Korea Telecom (KIX)
23577 817 34 695 Korea Telecom (ATM-MPLS)
18101 615 128 65 Reliance Infocom Ltd Internet
4780 595 309 46 Digital United Inc.
9829 592 449 11 BSNL National Internet Backbo
1221 545 1952 420 Telstra Pty Ltd
4812 531 934 86 China Telecom (Shanghai)
4808 530 821 125 CNCGROUP IP network: China169
4668 523 68 10 LG-EDS Systems Inc.
17676 506 10919 64 Softbank BB Corp.
7545 488 147 94 TPG Internet Pty Ltd
4802 470 128 151 Wantree Development
9443 437 121 71 Primus Telecommunications
17974 399 145 17 PT TELEKOMUNIKASI INDONESIA
7474 385 202 271 SingTel Optus Pty Ltd
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1464 6073 991 AT&T WorldNet Services
4323 1388 1010 364 Time Warner Telecom
2386 1355 636 833 AT&T Data Communications Serv
11492 1210 135 17 Cable One
6478 1100 331 121 AT&T Worldnet Services
18566 1040 296 10 Covad Communications
7011 1026 299 588 Citizens Utilities
174 970 6834 812 Cogent Communications
6197 970 713 503 BellSouth Network Solutions,
701 896 6559 690 UUNET Technologies, Inc.
19262 874 3219 151 Verizon Global Networks
20115 865 795 471 Charter Communications
22773 843 2139 58 Cox Communications, Inc.
3356 839 10910 413 Level 3 Communications, LLC
1239 793 2672 551 Sprint
209 745 3910 597 Qwest
5668 668 177 21 CenturyTel Internet Holdings,
6140 617 110 154 ImpSat
6517 611 150 41 Yipes Communications, Inc.
15270 605 161 50 PaeTec.net -a division of Pae
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3292 403 1651 368 TDC Tele Danmark
3301 328 1458 299 TeliaNet Sweden
3320 316 6019 262 Deutsche Telekom AG
8452 296 188 7 TEDATA
8866 280 78 24 Bulgarian Telecommunication C
8551 278 267 41 Bezeq International
8708 272 420 241 Romania Data Systems S.A.
680 271 2046 256 DFN-IP service G-WiN
3215 270 2583 92 France Telecom Transpac
6746 270 128 248 Dynamic Network Technologies,
8220 250 422 227 COLT Telecommunications
3352 241 1948 40 Ibernet, Internet Access Netw
3269 233 3085 70 TELECOM ITALIA
5462 229 666 27 Telewest Broadband
9155 219 43 10 QualityNet AS number
3300 211 172 100 AUCS Communications Services
9121 208 1444 25 TTnet Autonomous System
1257 199 1196 182 SWIPnet Swedish IP Network
29357 199 17 4 WATANIYA TELECOM
2856 195 2307 162 BTnet UK Regional network
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1150 2390 218 UniNet S.A. de C.V.
11830 547 299 9 Instituto Costarricense de El
16814 427 27 10 NSS, S.A.
7303 421 205 54 Telecom Argentina Stet-France
11172 396 115 62 Servicios Alestra S.A de C.V
6471 385 85 39 ENTEL CHILE S.A.
10620 351 92 25 TVCABLE BOGOTA
14117 351 23 16 Telefonica del Sur S.A.
22047 322 254 13 VTR PUNTO NET S.A.
10481 301 120 10 Prima S.A.
6147 255 214 21 Telefonica Del Peru
7738 241 602 25 Telecomunicacoes da Bahia S.A
11556 236 128 4 Cable-Wireless Panama
20299 236 33 29 NEWCOM AMERICAS
23216 231 17 49 RAMtelecom Telecomunicaciones
28573 228 322 23 NET Servicos de Comunicao S.A
6503 220 180 85 AVANTEL, S.A.
10834 193 76 40 ADVANCE TELECOMUNICACIONES S.
19169 191 12 20 Telconet
21826 187 33 48 INTERCABLE
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 411 60 31 LINKdotNET AS number
3741 279 869 225 The Internet Solution
20858 202 34 3 EgyNet
6713 145 135 11 Itissalat Al-MAGHRIB
2018 142 268 114 Tertiary Education Network
33783 129 9 15 EEPAD TISP TELECOM & INTERNET
5536 124 8 10 Internet Egypt Network
33776 99 6 7 Starcomms Nigeria Limited
24835 88 48 6 RAYA Telecom - Egypt
15475 87 84 4 Nile Online
23889 78 24 16 MAURITIUS TELECOM
29571 77 13 7 Ci Telecom Autonomous system
2905 76 174 73 The Internetworking Company o
20484 71 5 4 Yalla Online Autonomous Syste
15706 58 12 4 Sudatel Internet Exchange Aut
5713 51 455 41 Telkom SA Ltd
33774 51 37 28 AS Number for Telecom Algeria
16637 47 21 28 Johnnic e-Ventures
8524 33 2 8 AUCEGYPT Autonomous System
21152 32 2 1 AS for the uplinks of Soficom
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
11492 1210 1193 Cable One
9498 1105 1044 BHARTI BT INTERNET LTD.
18566 1040 1030 Covad Communications
4323 1388 1024 Time Warner Telecom
6478 1100 979 AT&T Worldnet Services
8151 1150 932 UniNet S.A. de C.V.
17488 960 873 Hathway IP Over Cable Interne
22773 843 785 Cox Communications, Inc.
19262 874 723 Verizon Global Networks
9583 1118 680 Sify Limited
5668 668 647 CenturyTel Internet Holdings,
9829 592 581 BSNL National Internet Backbo
6517 611 570 Yipes Communications, Inc.
15270 605 555 PaeTec.net -a division of Pae
4134 862 552 CHINANET-BACKBONE
18101 615 550 Reliance Infocom Ltd Internet
4780 595 549 Digital United Inc.
11830 547 538 Instituto Costarricense de El
2386 1355 522 AT&T Data Communications Serv
19916 563 521 OLM LLC
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
18506 UNALLOCATED 63.107.123.0/24 33286 Turlock Irrigation D
33526 UNALLOCATED 64.128.26.0/24 4323 Time Warner Telecom
21624 UNALLOCATED 65.163.176.0/24 701 UUNET Technologies,
65364 PRIVATE 190.144.163.0/24 14080 FIRSTCOM COLOMBIA
65389 PRIVATE 190.144.166.0/24 14080 FIRSTCOM COLOMBIA
65394 PRIVATE 190.144.167.0/24 14080 FIRSTCOM COLOMBIA
65403 PRIVATE 190.144.168.0/24 14080 FIRSTCOM COLOMBIA
65375 PRIVATE 190.144.175.0/24 14080 FIRSTCOM COLOMBIA
21624 UNALLOCATED 208.246.136.0/24 701 UUNET Technologies,
21624 UNALLOCATED 208.248.233.0/24 701 UUNET Technologies,
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
31.31.31.0/24 9730 The Best ISP to go Multimedia
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
173.173.173.0/24 9730 The Best ISP to go Multimedia
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 /11:40 /12:137
/13:275 /14:490 /15:973 /16:9740 /17:4212 /18:6914
/19:14882 /20:17062 /21:16177 /22:20408 /23:21498 /24:127815
/25:872 /26:1096 /27:555 /28:106 /29:9 /30:1
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1200 1210 Cable One
6478 1099 1100 AT&T Worldnet Services
2386 1054 1355 AT&T Data Communications Serv
18566 1021 1040 Covad Communications
9583 963 1118 Sify Limited
7011 911 1026 Citizens Utilities
4755 871 1491 Videsh Sanchar Nigam Ltd. Aut
23577 808 817 Korea Telecom (ATM-MPLS)
7018 803 1464 AT&T WorldNet Services
9498 776 1105 BHARTI BT INTERNET LTD.
17488 775 960 Hathway IP Over Cable Interne
6197 729 970 BellSouth Network Solutions,
4766 624 841 Korea Telecom (KIX)
4323 593 1388 Time Warner Telecom
6517 574 611 Yipes Communications, Inc.
15270 563 605 PaeTec.net -a division of Pae
19916 558 563 OLM LLC
5668 524 668 CenturyTel Internet Holdings,
4668 513 523 LG-EDS Systems Inc.
18101 502 615 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:98 12:1945 13:2 15:21 16:3
17:6 18:14 20:35 24:1013 25:1 31:1
32:61 33:4 38:382 40:65 41:457 44:2
47:8 52:3 55:3 56:3 57:22 58:508
59:408 60:407 61:986 62:1059 63:1976 64:3339
65:2377 66:3614 67:1061 68:635 69:2088 70:471
71:103 72:1460 73:7 74:790 75:170 76:184
77:477 78:445 79:68 80:888 81:792 82:576
83:353 84:524 85:948 86:371 87:602 88:292
89:1086 90:41 91:929 92:67 93:18 96:3
97:7 98:31 114:1 115:1 116:495 117:240
118:61 119:102 121:408 122:679 123:260 124:775
125:1068 128:307 129:199 130:125 131:395 132:68
133:9 134:188 135:31 136:213 137:97 138:156
139:80 140:497 141:106 142:378 143:265 144:325
145:51 146:331 147:129 148:482 149:188 150:114
151:132 152:95 153:128 154:11 155:282 156:198
157:249 158:163 159:212 160:213 161:96 162:199
163:186 164:562 165:419 166:291 167:308 168:572
169:132 170:430 171:28 172:3 173:1 189:142
190:1350 192:5751 193:4074 194:3250 195:2324 196:965
198:3799 199:3200 200:5439 201:1285 202:7497 203:7903
204:3964 205:2072 206:2431 207:2746 208:3106 209:3617
210:2628 211:1032 212:1296 213:1589 214:447 215:46
216:4131 217:1233 218:334 219:394 220:1005 221:412
222:300
End of report
