ASNs in United States
17,163 Autonomous Systems are registered in United States, ordered by the IPv4 space our directory attributes to each. Page 4 of 172.
Networks 301-400 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.
- 771AS36291Sanofisanofi.fr
- 770AS46Rutgers, The State Universityrutgers.edu
- 770AS2637Georgia Institute of Technologygatech.edu
- 770AS40831Mass General Brigham Incorporatedmassgeneralbrigham.org
- 768AS26Cornell Universitycornell.edu
- 768AS299University of California, Irvineuci.edu
- 768AS331United States Department of Defense (DoD)mail.mil
- 768AS335United States Department of Defense (DoD)mail.mil
- 768AS5774United States Postal Serviceusps.gov
- 768AS6431AT&T Enterprises, LLCatt.com
- 768AS10838Charter Communications Inccharter.com
- 768AS22390XEROX CORPORATIONxerox.com
- 767AS340United States Department of Defense (DoD)mail.mil
- 766AS1600United States Department of Defense (DoD)mail.mil
- 766AS2553Florida State Universityfsu.edu
- 764AS22351INTELSAT GLOBAL SERVICE CORPORATIONintelsat.com
- 763AS18756Level 3 Parent, LLClevel3.com
- 760AS3360DXC US Latin America Corporationdxc.com
- 759AS22252The City of New Yorknyc.gov
- 752AS10846Deere & Companydeere.com
- 727AS35908Krypt Technologiesvpls.com
- 722AS5371United States Department of Defense (DoD)mail.mil
- 720AS36647Yahoo Holdings Inc.yahooinc.com
- 710AS7065Sonic.net, LLCsonic.com
- 710AS23520Columbus Networks USA, Inc.libertynetworks.com
- 709AS12684SES ASTRA S.A.onastra.fr
- 696AS11976Fidelity Communication International Inc.fidelitycommunications.com
- 696AS40676Psychz Networkspsychz.net
- 694AS16839SERVICENOW, INC.servicenow.com
- 686AS3593Verizon Businessverizonbusiness.com
- 686AS14615Comporium, Inccomporium.com
- 684AS55256Netskope Incnetskope.com
- 683AS225University of Virginiavirginia.edu
- 683AS22552eSited Solutionsesited.com
- 679AS45Lawrence Livermore National Laboratoryllnl.gov
- 675AS2900Arizona Tri University Networkasu.edu
- 675AS6300Fidiumconsolidated.com
- 672AS11796Airstream Communications, LLCairstreamcomm.net
- 668AS46261QuickPacket, LLCquickpacket.com
- 665AS797AT&T Services, Inc.att.com
- 665AS14041University Corporation for Atmospheric Researchfrgp.net
- 664AS2749Navy Network Information Center (NNIC)navy.mil
- 659AS14992NewtekOne, Inc.newtekone.com
- 657AS26347New Dream Network, LLCdreamhost.com
- 655AS6035United States Department of Defense (DoD)mail.mil
- 648AS5065Bunny Communicationsbunnycommunications.com
- 648AS36692Cisco OpenDNS, LLCopendns.com
- 642AS10921Commonwealth of KentuckyDepartment of Information Systemsstate.ky.us
- 641AS393238ImOn Communications, LLCimon.net
- 640AS3851Nevada System of Higher Educationnevada.edu
- 640AS12079Verizon Businessverizonbusiness.com
- 639AS6192University of California, Davisucdavis.edu
- 636AS12New York Universitynyu.edu
- 632AS7203Leaseweb USA, Inc.leaseweb.com
- 626AS2386AT&T Enterprises, LLCatt.com
- 625AS7782Alaska Communications Systems Group, Inc.alsk.com
- 624AS1968UMASSNETumass.edu
- 622AS10967The Home Depot Inc.homedepot.com
- 621AS19871Network Solutions, LLCnetworksolutions.com
- 619AS12129123.Net, Inc.123.net
- 616AS19318Interserver, Incinterserver.net
- 616AS22646Hargray Communications Group, Inc.hargray.com
- 614AS11273Fiserv Solutions, LLCfiserv.com
- 613AS19855Masergy Communications, Inc.masergy.com
- 608AS7795LUMOS Networks, Inc.segra.com
- 607AS27142United States Department of Defense (DoD)mail.mil
- 604AS7381BroadbandONE, LLCsungardas.com
- 603AS6099Alameda County Office of Educationacoe.org
- 603AS54290HostPapahostwinds.com
- 601AS1767Indiana Higher Education Telecommunication System (IHETS)ilight.net
- 598AS399Air Force Systems Networkingaf.mil
- 598AS13693Vexus Fibervexusfiber.com
- 593AS13371Duke Universityduke.edu
- 589AS22742Connecticut Education Networkctedunet.net
- 588AS195San Diego Supercomputer Centersdsc.edu
- 587AS63199CDS Global Cloud Co., Ltdcdsglobalcloud.com
- 586AS22516Charter Communications LLCcharter.com
- 584AS3582University of Oregonuoregon.edu
- 579AS103Northwestern Universitynorthwestern.edu
- 578AS20412Clarity Telecom LLCmybluepeak.com
- 575AS6041United States Department of Defense (DoD)mail.mil
- 574AS13333Fidiumconsolidated.com
- 573AS12042Fidiumconsolidated.com
- 573AS14551Verizon Businessverizonbusiness.com
- 570AS30633Leaseweb USA, Inc.leaseweb.com
- 569AS8796FASTNET DATA INCfastnetdata.com
- 569AS10599McKesson Corp.mckesson.com
- 568AS38University of Illinoisillinois.edu
- 568AS26854New York Statenyspta.org
- 568AS40021Contabo Inc.contabo.com
- 564AS3663NetNetnsighttel.com
- 561AS7270IDT Corporationidt.net
- 558AS665United States Department of Defense (DoD)mail.mil
- 558AS1312Virginia Polytechnic Institute and State Univ.vt.edu
- 557AS26658HT
- 556AS3734Santa Clara County Office of Educationsccoe.org
- 555AS3456Charter Communications Inccharter.com
- 555AS13760Uniti Fiber Holdings Inc.uniti.com
- 554AS747Headquarters, USAISCmail.mil
- 551AS18978Enzu Incenzu.com
Looking for a different country? The ASN Directory lists every one we hold, with its network count.