ASNs in United States
17,163 Autonomous Systems are registered in United States, ordered by the IPv4 space our directory attributes to each. Page 6 of 172.
Networks 501-600 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.
- 512AS13506United States Department of the Treasurytreasury.gov
- 512AS13636NEC Corporation of Americanecam.com
- 512AS13695American Electirc Power Co.aep.com
- 512AS14017Burlington Northern Sante Fe Railway Corpbnsf.com
- 512AS14702Idaho National Laboratoryinl.gov
- 512AS16519University of Colorado Denverucdenver.edu
- 512AS16988International Paper Companyinternationalpaper.com
- 512AS19530State of North Dakota, ITDnd.gov
- 512AS20311Valero Corporate Servicesvalero.com
- 512AS20426PriceWaterhouseCoopers, LLPpwc.com
- 512AS22527Safeway, Inc.safeway.com
- 512AS26046Utah State Universityusu.edu
- 512AS32480Loma Linda University Medical Centerlomalindahealth.org
- 512AS213230Hetzner Online GmbHhetzner.de
- 511AS29Yale Universityyale.edu
- 511AS156Northeastern Universitynortheastern.edu
- 511AS5831United States Department of Defense (DoD)mail.mil
- 511AS11577Vermont Agency of Digital Servicesvermont.gov
- 511AS11596Best Buy Co., Inc.bestbuy.com
- 511AS33442Zebra Technologies Corporationzebra.com
- 511AS36081The Governor's Office of Information Technologystate.co.us
- 510AS10242US Internet Corpusinternet.com
- 508AS13809University of Arkansas for Medical Sciencesuams.edu
- 508AS33132Zayo Bandwidthzayo.com
- 507AS10370Northwest Airlinesdelta.com
- 506AS4185AT&T Enterprises, LLCatt.com
- 505AS26554US Signal Company, L.L.C.ussignal.com
- 503AS29838Atlantic Metro Communications II, Inc.atlanticmetro.net
- 500AS46475Limestone Networks, Inc.limestonenetworks.com
- 498AS1493Headquarters, USAISCmail.mil
- 497AS16399First Communications LLCfirstcomm.com
- 490AS396190Leaseweb USA, Inc.leaseweb.com
- 486AS46450Pilot Fiber, Inc.pilotfiber.com
- 486AS46844Sharktechsharktech.net
- 483AS2495Kansas Research and Education Networkkanren.org
- 481AS26801Zito Media, L.P.zitomedia.com
- 481AS53828NETWORK INNOVATIONS, LLCnitelusa.com
- 480AS10343National Aeronautics and Space Administrationnasa.gov
- 480AS16904Arvig Enterprises Inc.arvig.com
- 479AS20278Nexeon Technologies, Inc.nexeon.com
- 477AS35847Ezee Fiberezeefiber.com
- 477AS55201SkyQuantum Internet Serviceadsl.cat
- 477AS209372WS Telecom Incwstelecom.us
- 475AS12025Iron Mountain Data Centerironmountain.com
- 472AS26101Yahoo Holdings Inc.yahooinc.com
- 470AS53755Input Output Flood LLCioflood.com
- 470AS199524G-Core Labs S.A.gcore.com
- 466AS11696Fusion, LLCfusionconnect.com
- 464AS12041Afilias, Inc.afilias.info
- 463AS11509Tierzerotierzero.com
- 461AS8015US Signal Company, L.L.C.ussignal.com
- 461AS60068Datacamp Limitedcdn77.com
- 455AS10995PNC Bank N.A.pnc.com
- 455AS32440Louisiana Board of Regents/Louisiana Optical Network Initiative (LONI)loni.org
- 454AS64011Asia Pacific Network Information Centreapnic.net
- 453AS397412TACHUS INFRASTRUCTURE LLCtachus.com
- 451AS15227LUMOS Networks, Inc.lumos.net
- 448AS11878tzulo, inc.tzulo.com
- 448AS21565Horry Telephone Cooperative, Inc.htcinc.net
- 448AS54103MOD Mission Critical, LLCmodmc.net
- 446AS10835Visionary Communications LLCvcn.com
- 446AS13415FirstDigital Communications, LLCfirstdigital.com
- 444AS14492DataPipe, Inc.datapipe.com
- 440AS2648National Oceanic and Atmospheric Administrationnoaa.gov
- 440AS5009REVeatel.com
- 432AS10794Bank of America, National Associationbankofamerica.com
- 430AS5778CenturyLink Communications, LLCcenturylink.com
- 427AS11995Oregon Health & Science Universityohsu.edu
- 425AS22709North State Telephone, LLClumosfiber.com
- 423AS5307United States Department of Defense (DoD)mail.mil
- 423AS15224Adobe Inc.adobe.com
- 422AS14325OSHEAN, Inc.oshean.org
- 422AS29848West Chester University of Pennsylvaniawcupa.edu
- 421AS13789Unitas Globalunitasglobal.com
- 418AS18712Everfast Fiber Networks LLCweverfastfiber.com
- 417AS10439CariNet, Inc.fiberalley.com
- 416AS18759Georgia Southern Universitygeorgiasouthern.edu
- 416AS36315Servpac Inc.servpac.com
- 414AS26827EPB Fiber Opticsepb.net
- 413AS6059University System of Marylandusmd.edu
- 412AS54936Wyyerd Groupwyyerd.com
- 411AS47007Colocation America Corporationcolocationamerica.com
- 407AS32097WholeSale Internet, Inc.wholesaleinternet.net
- 403AS2939State of South Carolinasc.gov
- 403AS209242Cloudflare London, LLCcloudflare.com
- 401AS19229Ensono LPensono.com
- 398AS14361HopOne Internet Corporationhopone.net
- 396AS16524MetTelmettel.net
- 393AS4581Socket Holdings Corporationsocket.net
- 391AS46562Performive LLCperformive.com
- 390AS26077Nextlink Broadbandnextlinkinternet.com
- 389AS6102CBS inc.cbsimaging.com
- 388AS3450University of Tennesseetennessee.edu
- 388AS5647Eastman Kodak Companykodak.com
- 388AS400463DynaNode LLCdynanode.io
- 386AS20252Joan and Sanford I. Weill Medical College and Graduate School of Medical Sciences of Cornell Universitycornell.edu
- 386AS53508Cablelynxcablelynx.com
- 385AS160The University of Chicagouchicago.edu
- 384AS3388University of New Mexicounm.edu
- 384AS6501The Southern Companysouthernco.com
Looking for a different country? The ASN Directory lists every one we hold, with its network count.