ASNs in United States
17,163 Autonomous Systems are registered in United States, ordered by the IPv4 space our directory attributes to each. Page 5 of 172.
Networks 401-500 by IPv4 Space
The badge is how many IPv4 /24 blocks our directory attributes to each network. For the prefixes an AS is announcing right now, open its page.
- 546AS62CyrusOne LLCcyrusone.com
- 545AS979NetLab Globalas979.net
- 545AS12119ITV-3itv-3.com
- 544AS675Minnesota State Colleges and Universitiesminnstate.edu
- 544AS984OCTOPUS WEB SOLUTION INCows-networks.com
- 544AS27274Central Michigan Universitycmich.edu
- 543AS22Navy Network Information Center (NNIC)navy.mil
- 543AS2920Los Angeles County Office of Educationlacoe.edu
- 541AS26934University of Missouri-Columbiamissouri.edu
- 540AS20454SECURED SERVERS LLCsecuredservers.com
- 537AS377Sandia National Laboratoriessandia.gov
- 536AS88Princeton Universityprinceton.edu
- 535AS2906Netflix Streaming Services Inc.netflix.com
- 535AS13428Surf Air Wireless, LLCsurfairwireless.com
- 532AS20214Comcast Cable Communications, LLCcomcast.com
- 530AS21976NJEDge.Net, Inc.njedge.net
- 530AS23352DEFT.COMsummithq.com
- 529AS35The MITRE Corporationmitre.org
- 528AS5723Johns Hopkins Universityjhu.edu
- 528AS35985One Ring Networks, Inc.oneringnetworks.com
- 528AS137409GSL Networks Pty LTDglobalsecurelayer.com
- 527AS3701University of Oregonuoregon.edu
- 527AS5078OneNetonenet.net
- 525AS14381Caterpillar, Inc.cat.com
- 524AS19Leidos, Inc.leidos.com
- 524AS19331Twin Lakes Telephone Cooperative Corporationtwinlakes.net
- 523AS3724State of Alaskastate.ak.us
- 522AS16787Charter Communications LLCcharter.com
- 521AS3512Emory Universityemory.edu
- 520AS89Navy Network Information Center (NNIC)navy.mil
- 520AS14499ALORICA INCalorica.com
- 519AS293ESnetes.net
- 519AS427Air Force Systems Networkingaf.mil
- 518AS9Carnegie Mellon Universitycmu.edu
- 518AS345United States Department of Defense (DoD)mail.mil
- 518AS77923M Company3M.com
- 518AS21693Xcel Energy Inc.xcelenergy.com
- 517AS25University of California at Berkeleyberkeley.edu
- 517AS11188LOS ANGELES COUNTY - INTERNAL SERVICESDIVISIONlacounty.gov
- 517AS11857Money Services, Inc.aegon.com
- 516AS1556United States Department of Defense (DoD)mail.mil
- 516AS7859pair Networkspair.com
- 516AS54489CoreSpace, Inc.corespace.com
- 515AS3562Sandia National Laboratoriessandia.gov
- 515AS5696Express Scripts Incorporatedexpress-scripts.com
- 515AS6356University of Floridaufl.edu
- 514AS1580United States Department of Defense (DoD)mail.mil
- 514AS1649Headquarters, USAISCmail.mil
- 514AS2025University of Toledoutoledo.edu
- 514AS11834Drexel Universitydrexel.edu
- 514AS12099OAKWOOD HEALTHCARE INCoakwood.org
- 514AS20337SUNY Institute of Technologysunypoly.edu
- 514AS22093Cleveland Clinic Foundationclevelandclinic.org
- 513AS166Institute for Defense Analysesida.org
- 513AS1563United States Department of Defense (DoD)mail.mil
- 513AS1970Texas A&M Universitytamu.edu
- 513AS2642California Department of Technologyca.gov
- 513AS3676University of Iowauiowa.edu
- 513AS10497IBRDworldbankgroup.org
- 513AS16989The University of Tennessee Health Science Centeruthsc.edu
- 513AS20478General Mills, Inc.generalmills.com
- 513AS23162University of Kentuckyuky.edu
- 512AS16Lawrence Berkeley National Laboratorylbl.gov
- 512AS27University of Marylandumd.edu
- 512AS31California Institute of Technologycaltech.edu
- 512AS48Navy Network Information Center (NNIC)navy.mil
- 512AS50Oak Ridge National Laboratoryornl.gov
- 512AS111Boston Universitybu.edu
- 512AS196The Boeing Companyboeing.com
- 512AS325United States Department of Defense (DoD)mail.mil
- 512AS336United States Department of Defense (DoD)mail.mil
- 512AS341United States Department of Defense (DoD)mail.mil
- 512AS343United States Department of Defense (DoD)mail.mil
- 512AS350United States Department of Defense (DoD)mail.mil
- 512AS351United States Department of Defense (DoD)mail.mil
- 512AS356United States Department of Defense (DoD)mail.mil
- 512AS360United States Department of Defense (DoD)mail.mil
- 512AS362United States Department of Defense (DoD)mail.mil
- 512AS365United States Department of Defense (DoD)mail.mil
- 512AS368United States Department of Defense (DoD)mail.mil
- 512AS369United States Department of Defense (DoD)mail.mil
- 512AS1530Headquarters, USAISCmail.mil
- 512AS1701National Aeronautics and Space Administrationnasa.gov
- 512AS1832Southern Methodist Universitysmu.edu
- 512AS2013PG&Epge.com
- 512AS2024Eversource Energyeversource.com
- 512AS3452University of Alabama at Birminghamuab.edu
- 512AS3778Temple Universitytemple.edu
- 512AS3794Texas A&M Universitytamu.edu
- 512AS4190Binghamton Universitybinghamton.edu
- 512AS5653University of California San Franciscoucsf.edu
- 512AS5707The University of Texas Health Science Center at Houstontmc.edu
- 512AS5719State University of New York at Stony Brookstonybrook.edu
- 512AS6200University of Illinois Chicagouic.edu
- 512AS7127Southern California Edisonsce.com
- 512AS7925West Virginia Network for Educational Telecomputingwvnet.edu
- 512AS10273Florida Power & Light Companyfpl.com
- 512AS10384Tennessee Valley Authoritytva.gov
- 512AS11039The George Washington Universitygwu.edu
- 512AS11975The College of William and Marywm.edu
Looking for a different country? The ASN Directory lists every one we hold, with its network count.