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AS Rank: AS Ranking

This page presents the BETA version of AS Rank, CAIDA's ranking of Autonomous Systems (AS) (which approximately map to Internet Service Providers) and organizations (Orgs) (which are a collection of one or more ASes). This ranking is derived from topological data collected by CAIDA's Archipelago Measurement Infrastructure and Border Gateway Protocol (BGP) routing data collected by the Route Views Project and RIPE NCC.

ASes and Orgs are ranked by their customer cone size, which is the number of their direct and indirect customers. Note: We do not have data to rank ASes (ISPs) by traffic, revenue, users, or any other non-topological metric.

Download Data: AS Relationship Data   AS Organization   AS Classification
Feedback: asrank-feedback@caida.org

AS Ranking Help
 AS Ranking   Org Ranking   Information for a single AS   Information for a single Org   Background   Data Sources   Help 
 
Dataset:

The top ASes ranked by customer cone size are displayed below.
For information about a specific AS, enter its AS name, its AS number, or the name of the Org of which the AS is a member.

Table shows of 54772 ASes,  sorted by 

AS rank AS number AS name Org name AS Type(s) customer cone AS transit degree
Number of Percentages of all
ASes IPv4 Prefixes IPv4 Addresses ASes IPv4 Prefixes IPv4 Addresses
1 6939 HURRICANE Hurricane Electric, Inc.  Tr/Ac  8,088 79,800 278,942,720
14%
12%
12%
4809
2 174 COGENT-174 Cogent Communications  Tr/Ac  23,299 172,963 616,423,936
42%
26%
28%
4567
3 3356 LEVEL3 Level 3 Communications, Inc.  Tr/Ac  29,494 224,970 783,401,728
53%
34%
36%
4138
4 3549 LVLT-3549 Level 3 Communications, Inc.  Tr/Ac  4,735 38,675 99,505,920
8.6%
5.9%
4.6%
3409
5 7018 ATT-INTERNET4 AT&T Services, Inc.  Tr/Ac  3,292 25,468 255,270,912
6.0%
3.9%
11%
2157
6 20485 TRANSTELECOM Closed Joint Stock Company TransTeleCom  Tr/Ac  3,447 16,612 25,126,400
6.3%
2.5%
1.2%
1883
7 8220 COLT COLT Technology Services Group Limited  Tr/Ac  741 2,558 24,539,904
1.4%
0.39%
1.1%
1805
8 43531 IXREACH IX Reach Ltd  Tr/Ac  1,073 12,781 108,546,048
2.0%
1.9%
5.1%
1733
9 4323 TWTC tw telecom holdings, inc.  Tr/Ac  2,184 11,078 21,900,800
4.0%
1.7%
1.0%
1695
10 209 CENTURYLIN... Qwest Communications Company, LLC  Tr/Ac  3,988 37,005 278,455,808
7.3%
5.6%
12%
1651
11 6461 ZAYO-6461 Zayo Bandwidth Inc  Tr/Ac  4,479 31,915 120,272,640
8.2%
4.9%
5.6%
1488
12 12989 HWNG Eweka Internet Services B.V.  Tr/Ac  940 5,620 17,045,248
1.7%
0.86%
0.79%
1412
13 2914 NTT-COMMUN... NTT America, Inc.  Tr/Ac  18,991 174,304 642,432,768
34%
26%
29%
1352
14 701 UUNET MCI Communications Services, Inc. d/b/a Verizon Business  Tr/Ac  4,527 50,007 414,235,392
8.3%
7.6%
19%
1301
15 20764 RASCOM-AS CJSC RASCOM  Tr/Ac  1,484 4,868 9,643,008
2.7%
0.74%
0.45%
1292
16 3257 GTT-BACKBONE Tinet Spa  Tr/Ac  18,140 161,377 565,089,024
33%
24%
26%
1282
17 1299 TELIANET Telia Company AB  Tr/Ac  21,954 191,391 667,346,176
40%
29%
31%
1272
18 9002 RETN-AS RETN Limited  Tr/Ac  3,820 16,677 23,978,496
7.0%
2.5%
1.1%
1161
19 47872 SOFIA-CONN... Sofia Connect EOOD  Tr/Ac  116 730 1,077,760
0.21%
0.11%
0.05%
1115
20 2828 XO-AS15 XO Communications  Tr/Ac  6,251 60,271 250,568,448
11%
9.2%
11%
1089
21 1267 ASN-WIND Wind Telecomunicazioni SpA  Tr/Ac  110 613 7,361,792
0.20%
0.09%
0.34%
1031
22 42708 PORTLANE Portlane AB  Tr/Ac  91 595 425,216
0.17%
0.09%
0.02%
1016
23 3267 RUNNET State Institute of Information Technologies and Telecommunications (SIIT&T "Info  Tr/Ac  295 833 1,524,992
0.54%
0.13%
0.07%
990
24 5580 HIBERNIA Hibernia Networks (Netherlands) BV  Tr/Ac  1,847 15,308 21,801,984
3.4%
2.3%
1.0%
985
25 28917 Fiord-AS LLC "TRC FIORD"  Tr/Ac  881 3,853 4,314,880
1.6%
0.59%
0.20%
958
26 52320 (no data) GlobeNet Cabos Submarinos VZLA, S.A.  Tr/Ac  148 1,336 3,849,472
0.27%
0.20%
0.18%
950
27 23148 TERRENAP MCI Communications Services, Inc. d/b/a Verizon Business  Tr/Ac  74 487 804,864
0.14%
0.07%
0.04%
895
28 12389 ROSTELECOM-AS PJSC Rostelecom  Tr/Ac  3,022 15,612 31,501,056
5.5%
2.4%
1.5%
845
29 4436 AS-GTT-4436 nLayer Communications, Inc.  Tr/Ac  4,145 34,659 135,533,568
7.6%
5.3%
6.3%
838
29 42861 FOTONTELECOM Foton Telecom CJSC  Tr/Ac  127 429 539,904
0.23%
0.07%
0.03%
838
31 8468 ENTANET ENTANET International Limited  Tr/Ac  49 138 535,552
0.09%
0.02%
0.02%
800
32 33891 CORE-BACKBONE Core-Backbone GmbH  Tr/Ac  513 2,076 7,753,472
0.94%
0.32%
0.36%
794
33 13030 INIT7 Init7 (Switzerland) Ltd.  Tr/Ac  215 743 1,930,240
0.39%
0.11%
0.09%
783
34 1764 NEXTLAYER-AS Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH  Tr/Ac  204 611 3,546,112
0.37%
0.09%
0.17%
774
35 50304 BLIX Blix Solutions AS  Tr/Ac  48 158 329,984
0.09%
0.02%
0.02%
758
36 8422 NETCOLOGNE NetCologne GmbH  Tr/Ac  34 101 804,864
0.06%
0.02%
0.04%
722
37 3216 SOVAM-AS OJSC "Vimpelcom"  Tr/Ac  2,180 10,377 13,808,640
4.0%
1.6%
0.64%
709
38 6453 AS6453 TATA COMMUNICATIONS (AMERICA) INC  Tr/Ac  12,300 135,127 533,133,824
22%
20%
24%
685
39 31133 MF-MGSM-AS PJSC MegaFon  Tr/Ac  1,908 8,630 15,471,360
3.5%
1.3%
0.72%
671
40 8359 MTS MTS PJSC  Tr/Ac  1,714 6,890 11,791,872
3.1%
1.0%
0.55%
665
41 6830 LGI-UPC Liberty Global Operations B.V.  Tr/Ac  972 4,134 31,805,184
1.8%
0.63%
1.5%
609
42 1239 SPRINTLINK Sprint  Tr/Ac  3,439 46,061 330,382,848
6.3%
7.0%
15%
582
43 20562 OPEN-PEERI... Open Peering B.V.  Tr/Ac  284 1,404 5,132,800
0.52%
0.21%
0.24%
576
44 4826 VOCUS-BACK... Vocus Connect International Backbone  Tr/Ac  815 5,291 8,376,576
1.5%
0.81%
0.39%
576
45 29076 CITYTELECO... Filanco, ltd.  Co  1,064 3,599 3,837,952
1.9%
0.55%
0.18%
573
46 8928 INTEROUTE Interoute Communications Limited  Tr/Ac  1,426 8,163 27,153,152
2.6%
1.2%
1.3%
552
47 3491 BTN-ASN Beyond The Network America, Inc.  Tr/Ac  3,572 53,910 187,765,504
6.5%
8.2%
8.7%
547
48 2603 NORDUNET NORDUnet  Tr/Ac  168 642 14,984,192
0.31%
0.10%
0.70%
543
49 20080 AMPATH Florida International University  Tr/Ac  41 358 1,388,288
0.07%
0.05%
0.06%
537
50 6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.  Tr/Ac  14,394 123,771 329,530,624
26%
18%
15%
534
data sources
geolocation BGP 2010.08.01, 2010.08.02, 2010.08.03, 2010.08.04, 2010.08.05 routeviews eqix, isc, kixp, linx, routeviews2
database 2010.08.30 netacuity
organization whois 0000.00.00 JPNIC, KRNIC, LACNIC
2012.06.29, 2013.10.01, 2014.01.01 AFRINIC, APNIC, ARIN, LACNIC, RIPE
topology BGP 2013.11.01, 2013.11.02, 2013.11.03, 2013.11.04, 2013.11.05 ripe rrc00, rrc01, rrc03, rrc04, rrc05, rrc06, rrc07, rrc10, rrc11, rrc12, rrc13, rrc14, rrc15
routeviews eqix, isc, jinx, kixp, linx, routeviews, routeviews2, saoppaulo, sydney, telxatl, wide
2014.03.01, 2014.03.02, 2014.03.03 ripe rrc00, rrc01, rrc03, rrc04, rrc05, rrc06, rrc07, rrc10, rrc11, rrc12, rrc13, rrc14, rrc15
routeviews eqix, isc, jinx, linx, routeviews, routeviews2, routeviews3, saoppaulo, sydney, telxatl, wide
2014.03.04, 2014.03.05 ripe rrc00, rrc01, rrc03, rrc04, rrc05, rrc06, rrc07, rrc10, rrc11, rrc12, rrc13, rrc14, rrc15
routeviews eqix, isc, jinx, kixp, linx, routeviews, routeviews2, routeviews3, saoppaulo, sydney, telxatl, wide
2014.09.01, 2014.09.02, 2014.09.03, 2014.09.04, 2014.09.05 ripe rrc00, rrc01, rrc03, rrc04, rrc05, rrc06, rrc07, rrc10, rrc11, rrc12, rrc13, rrc14, rrc15
routeviews eqix, isc, jinx, kixp, linx, routeviews, routeviews2, routeviews3, routeviews6, saopaulo, sydney, telxatl, wide
2014.12.01, 2014.12.02, 2014.12.03, 2014.12.04, 2014.12.05, 2015.01.01, 2015.01.02, 2015.01.03, 2015.01.04, 2015.01.05 ripe rrc00, rrc01, rrc03, rrc04, rrc05, rrc06, rrc07, rrc10, rrc11, rrc12, rrc13, rrc14, rrc15
routeviews eqix, isc, jinx, kixp, linx, routeviews, routeviews2, routeviews3, saopaulo, sydney, telxatl, wide
2015.02.01, 2015.02.02, 2015.02.03, 2015.02.04, 2015.02.05, 2015.07.01, 2015.07.02, 2015.07.03, 2015.07.04, 2015.07.05 ripe rrc00, rrc01, rrc03, rrc04, rrc05, rrc06, rrc07, rrc10, rrc11, rrc12, rrc13, rrc14, rrc15
routeviews eqix, isc, jinx, kixp, linx, routeviews2, routeviews3, saopaulo, sydney, telxatl, wide
2016.04.01, 2016.04.02, 2016.04.03, 2016.04.04, 2016.04.05, 2016.06.01, 2016.06.02, 2016.06.03, 2016.06.04, 2016.06.05 ripe rrc00, rrc01, rrc03, rrc04, rrc05, rrc06, rrc07, rrc10, rrc11, rrc12, rrc13, rrc14, rrc15, rrc16
routeviews eqix, isc, jinx, kixp, linx, routeviews2, routeviews3, saopaulo, sydney, telxatl, wide
2016.09.01, 2016.09.02, 2016.09.03, 2016.09.04, 2016.09.05 ripe rrc00, rrc01, rrc03, rrc04, rrc05, rrc06, rrc07, rrc10, rrc11, rrc12, rrc13, rrc14, rrc15, rrc16
routeviews eqix, isc, kixp, linx, routeviews2, routeviews3, saopaulo, sydney, telxatl, wide
traceroute 2015.07.01, 2015.07.02 ark ams-nl, ams2-nl, ams5-nl, amw-us, anc-us, arn-se, atl-us, avl-us, aza-us, bcn-es, bed3-us, bfi-us, bjc-us, bjl-gm, bma-se, bre-de, bre2-de, bre3-de, bud2-hu, bwi-us, cbg-uk, cdg-fr, cgk-id, cjj-kr, cmn-ma, cph-dk, dac-bd, dfw-us, dkr-sn, dub-ie, eug-us, fnl-us, gai-us, gig-br, gva-ch, hel-fi, hkg2-cn, hkg3-cn, hlz-nz, hnl-us, iad-us, igx-us, ith-us, jfk-us, kna-cl, lax-us, lej-de, lex-us, mel-au, mnl-ph, mry-us, msy-us, mty-mx, muc-de, nce2-fr, nic-cy, nrt-jp, oak-us, oak2-us, osl-no, osl2-no, pao-us, per-au, pna-es, pry-za, rno-us, san-us, san2-us, san3-us, sao-br, sao2-br, scl-cl, she-cn, sin-sg, sjc2-us, sju-pr, sof-bg, sql-us, syd-au, tll-ee, tpe-tw, vie-at, wbu-us, wlg-nz, wvi-us, ylk-ca, yow-ca, yto-ca, yyz-ca, zrh-ch, zrh2-ch
2015.07.03 ark ams-nl, ams2-nl, ams5-nl, amw-us, anc-us, arn-se, atl-us, avl-us, aza-us, bcn-es, bed3-us, bfi-us, bjc-us, bjl-gm, bma-se, bre-de, bre2-de, bre3-de, bud2-hu, bwi-us, cbg-uk, cdg-fr, cgk-id, cjj-kr, cmn-ma, cph-dk, dac-bd, dfw-us, dkr-sn, dub-ie, eug-us, fnl-us, gai-us, gig-br, gva-ch, hel-fi, hkg2-cn, hkg3-cn, hlz-nz, hnl-us, iad-us, igx-us, ith-us, jfk-us, kna-cl, lax-us, lej-de, lex-us, mel-au, mnl-ph, mry-us, msy-us, muc-de, nce2-fr, nic-cy, nrt-jp, oak-us, oak2-us, osl-no, osl2-no, pao-us, per-au, pna-es, pry-za, rno-us, san-us, san2-us, san3-us, sao-br, sao2-br, scl-cl, she-cn, sin-sg, sjc2-us, sju-pr, sof-bg, sql-us, syd-au, tll-ee, tpe-tw, vie-at, wbu-us, wlg-nz, wvi-us, ylk-ca, yow-ca, yto-ca, yyz-ca, zrh2-ch
2015.07.04, 2015.07.05 ark ams-nl, ams2-nl, ams5-nl, amw-us, anc-us, arn-se, atl-us, avl-us, aza-us, bcn-es, bed3-us, bjc-us, bjl-gm, bma-se, bre-de, bre2-de, bre3-de, bud2-hu, bwi-us, cbg-uk, cdg-fr, cgk-id, cjj-kr, cmn-ma, cph-dk, dac-bd, dfw-us, dkr-sn, dub-ie, eug-us, fnl-us, gai-us, gig-br, gva-ch, hel-fi, hkg2-cn, hkg3-cn, hlz-nz, hnl-us, iad-us, igx-us, ith-us, jfk-us, kna-cl, lax-us, lej-de, lex-us, mel-au, mnl-ph, mry-us, msy-us, nce2-fr, nic-cy, nrt-jp, oak-us, osl-no, osl2-no, pao-us, per-au, pna-es, pry-za, rno-us, san-us, san2-us, san3-us, sao-br, sao2-br, scl-cl, she-cn, sin-sg, sjc2-us, sju-pr, sof-bg, sql-us, syd-au, tll-ee, tpe-tw, vie-at, wbu-us, wlg-nz, wvi-us, ylk-ca, yow-ca, yto-ca, yyz-ca, zrh2-ch
 


Support for this work is provided by the U.S. Department of Homeland Security's Science and Technology Directorate (Project N66001-08-C-2029), the National Science Foundation Internet Laboratory for Empirical Network Science (Project CNS-0958547), and Cisco's University Research Program.
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