ASNs in United States
17,163 Autonomous Systems are registered in United States, ordered by the IPv4 space our directory attributes to each. Page 14 of 172.
Networks 1,301-1,400 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.
- 255AS33343U.S. Department of Commerce, HQ and ITAcommerce.gov
- 255AS54885State of Idahoidaho.gov
- 255AS401124State University of New York College of Technology at Delhidelhi.edu
- 254AS1856RTX BBN Technologies, Inc.rtx.com
- 254AS3634Stephen F. Austin State Universitysfasu.edu
- 254AS7973Mayo Foundation for Medical Education and Researchmayoclinic.com
- 254AS14737Colorado Community College and Occupational Education Systemcccs.edu
- 254AS14946Baptist Memorial Health Care Corporationbmhcc.org
- 254AS23410Nassau County BOCESnasboces.org
- 254AS29702Alaska Airlines, Inc.alaskaair.com
- 254AS47090Intermountain Health Care, Inc.ihc.com
- 254AS64226MDU Resources Group, Inc.mdu.com
- 253AS8036University of Tulsautulsa.edu
- 253AS13462Institute of Electrical and Electronics Engineers, Incieee.org
- 253AS33527Metropolitan Government of Nashville and Davidson County Tennesseenashville.gov
- 253AS46298Harris County Hospital Districthchdfoundation.org
- 252AS20012Interworks Networking Servicesinterwrx.com
- 252AS22828United States Food and Drug Administrationunitedrdc.com
- 252AS27185Danbury Hospital - ITGnuvancehealth.org
- 252AS32073Montgomery County Public Schoolsmcpsmd.org
- 252AS40382Hennepin Countyhennepincounty.gov
- 252AS393649Booz Allen Hamilton Inc.boozallen.com
- 252AS396986Bytedance Inc.bytedance.com
- 251AS13150CATO NETWORKS LTDcatonetworks.com
- 251AS19148Leaseweb USA, Inc.leaseweb.com
- 250AS4University of Southern Californiausc.edu
- 250AS7328The Children's Hospital of Philadelphiachop.edu
- 250AS18530Isomedia, Inc.isomediainc.com
- 250AS21947Blackfoot Telephone Cooperative, Inc.blackfoot.net
- 249AS13370Ziply Fiberziplyfiber.com
- 249AS21680Empower Retirement, LLCempower.com
- 248AS11650Pioneer Long Distance Inc.pld.com
- 248AS17130Jones Dayjonesday.com
- 248AS26439City of Albuquerquecabq.gov
- 248AS40237United Telephone Companyunited.net
- 247AS11915TPx Communicationstpx.com
- 246AS32000Tnet Broadband Internettnet.biz
- 245AS3378Verizon Businessverizonbusiness.com
- 245AS3481State of Connecticutct.gov
- 245AS7106Com Net, Inc.cniteam.com
- 245AS11685Huntington National Bankhuntington.com
- 245AS30337Deloitte Services LPdeloitte.com
- 244AS10968Cargill Incorporatedcargill.com
- 244AS22653Cyber Wurx LLCcyberwurx.com
- 244AS25829Smithsonian Institutionsi.edu
- 243AS21547FirstLight Networks, LLCfirstlight.net
- 243AS32229Jackson State Universityjsums.edu
- 243AS57976Blizzard Entertainment, Incblizzard.com
- 242AS10583Connecticut Hospital Assoc.cthosp.org
- 241AS19653CTS Communications Corpctstelecom.com
- 241AS30408Arkansas State Universityastate.edu
- 240AS15119Southern Illinois University Carbondalesiu.edu
- 240AS20326TeraSwitch Networks Inc.teraswitch.com
- 240AS22644Thomas Jefferson University Hospitals, Inc.jefferson.edu
- 240AS26462The State University of New York College at Geneseogeneseo.edu
- 240AS30641STATE OF DELAWAREdelaware.gov
- 240AS33616Co-Mo Comm Incco-mo.net
- 240AS53257The Citadelcitadel.edu
- 240AS55002F5, Inc.f5.com
- 240AS396362Leaseweb USA, Inc.leaseweb.com
- 239AS4196Wells Fargo Bank, N.A.wellsfargo.com
- 239AS19151BroadbandONE, LLC365datacenters.com
- 239AS62943Missouri Network Alliance, LLCbluebirdnetwork.com
- 238AS15141Bausch & Lombbausch.com
- 238AS214483FiberPower LLCusfiberpower.com
- 236AS11602South Dakota School of Mines & Technologysdsmt.edu
- 236AS18859GVEC.net, LLCgvec.net
- 235AS11955Charter Communications Inccharter.com
- 233AS5738FirstLight Networks, LLCfirstlight.net
- 233AS16811SageNet LLCsagenet.com
- 232AS5693Latisys-Irvine, LLClatisys.net
- 231AS27026networkMarylandmaryland.gov
- 231AS32953Mid-Hudson Cablevision, Inc.mid-hudson.com
- 230AS4213Krypt Technologiesevocative.com
- 230AS13825Troy Cablevision, Inc.troycable.net
- 230AS40317Peoples Communications Inc.peoplescom.net
- 229AS7224Amazon.com, Inc.amazon.com
- 229AS12097Armstrongarmstrongonewire.com
- 228AS5663Department of Interior United States Geological Surveyusgs.gov
- 228AS11231GETTYSBURG COLLEGEgettysburg.edu
- 228AS14537Continent 8 LLCcontinent8.com
- 228AS32592Uniti Fiber Holdings Inc.uniti.com
- 228AS39961San Francisco Department of Telecommunications and Information Servicessf.gov
- 228AS53435JACKSON ENERGY AUTHORITYjaxenergy.com
- 227AS4927Aseva LLCaseva.com
- 227AS27086United States Department of Defense (DoD)mail.mil
- 225AS5050Pittsburgh Supercomputing Centerpsc.edu
- 225AS7784Atlantech Online, Inc.atlantech.net
- 225AS12182Unitas Globalunitasglobal.com
- 225AS14921CenturyLink Communications, LLCcenturylink.com
- 224AS919The Howard Universityhoward.edu
- 224AS10499Rochester Gas and Electric Corporationrge.com
- 224AS16713Northwest Open Access Networknoanet.net
- 224AS20257Farmers Telephone Cooperative, Inc.ftc-i.net
- 224AS397112Illinois Mathematics and Science Academyimsa.edu
- 224AS402224Merced County Information Systemscountyofmerced.com
- 223AS25921LUS Fiberlusfiber.net
- 223AS63182RapidScale, Incrapidscale.net
- 223AS400072THUNDERBOX INCthunderbox.io
- 222AS40244Turnkey Internet Inc.turnkeyinternet.net
Looking for a different country? The ASN Directory lists every one we hold, with its network count.