ASNs in United States
17,163 Autonomous Systems are registered in United States, ordered by the IPv4 space our directory attributes to each. Page 1 of 172.
Networks 1-100 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.
- 867,196AS749United States Department of Defense (DoD)mail.mil
- 603,970AS16509Amazon.com, Inc.amazon.com
- 344,915AS7018AT&T Enterprises, LLCatt.com
- 292,557AS8075Microsoft Corporationmicrosoft.com
- 264,245AS7922Comcast Cable Communications, LLCcomcast.com
- 153,703AS701Verizon Businessverizonbusiness.com
- 114,460AS721United States Department of Defense (DoD)mail.mil
- 106,319AS3356Level 3 Parent, LLClumen.com
- 99,336AS174Cogent Communications, LLCcogentco.com
- 77,993AS14618Amazon.com, Inc.amazon.com
- 77,928AS396982Google LLCgoogle.com
- 70,380AS6167Verizon Businessverizonbusiness.com
- 66,095AS714Apple Inc.apple.com
- 60,499AS209CenturyLink Communications, LLClumen.com
- 49,638AS22773Cox Communications Inc.cox.com
- 48,537AS20115Charter Communications LLCcharter.com
- 48,338AS22394Verizon Businessverizonbusiness.com
- 47,304AS7377University of California, San Diegoucsd.edu
- 39,778AS7029Windstream Communications LLCuniti.com
- 39,152AS5650Verizon Businessverizonbusiness.com
- 32,287AS3561CenturyLink Communications, LLClumen.com
- 31,180AS56United States Department of Defense (DoD)mail.mil
- 29,865AS20940Akamai International B.V.akamai.com
- 29,199AS10796Charter Communications Inccharter.com
- 25,674AS2828Verizon Businessverizonbusiness.com
- 23,960AS20001Charter Communications Inccharter.com
- 23,747AS1540Headquarters, USAISCmail.mil
- 22,649AS33363Charter Communications, Incchartercom.com
- 22,526AS11427Charter Communications Inccharter.com
- 20,249AS31898Oracle Corporationoracle.com
- 19,007AS6128Cablevision Systems Corp.cablevision.com
- 17,802AS306United States Department of Defense (DoD)mail.mil
- 17,622AS3549Level 3 Parent, LLClumen.com
- 17,471AS2914NTT America, Inc.ntt.net
- 17,413AS11426Charter Communications Inccharter.com
- 17,353AS6389AT&T Enterprises, LLCatt.com
- 17,080AS3257GTT Communications Inc.gtt.net
- 16,723AS6079RCNastound.com
- 16,706AS16625Akamai Technologies, Inc.akamai.com
- 16,601AS11351Charter Communications Inccharter.com
- 16,128AS4249Eli Lilly and Companylilly.com
- 15,834AS11003The Procter and Gamble Companypg.com
- 15,438AS20057AT&T Enterprises, LLCatt.com
- 12,289AS4155USDAusda.gov
- 12,068AS14061DigitalOcean, LLCdigitalocean.com
- 11,786AS19901Brightspeedbrightspeed.com
- 11,100AS19108Optimumoptimum.com
- 10,882AS12271Charter Communications Inccharter.com
- 10,754AS1761General Services Commissiontexas.gov
- 10,294AS21928T-Mobile USA, Inc.t-mobile.com
- 10,233AS36351IBM Cloudibm.com
- 9,986AS668United States Department of Defense (DoD)mail.mil
- 9,375AS367United States Department of Defense (DoD)mail.mil
- 8,720AS16591Google Fiber Inc.gfiber.com
- 8,633AS237Merit Network Inc.merit.edu
- 7,894AS81MCNCmcnc.org
- 7,656AS2152CENICcenic.org
- 7,598AS11404Wave Broadbandwavebroadband.com
- 7,272AS5972United States Department of Defense (DoD)mail.mil
- 7,168AS3Massachusetts Institute of Technologymit.edu
- 7,088AS270National Aeronautics and Space Administrationnasa.gov
- 6,800AS4181TDS TELECOMtdstelecom.com
- 6,209AS7385Allstream Business US, LLCelectriclightwave.com
- 6,150AS6461Zayo Bandwidthzayo.com
- 5,911AS27064United States Department of Defense (DoD)mail.mil
- 5,909AS15169Google LLCgoogle.com
- 5,884AS3479Board of Regents of the University System of Georgiausg.edu
- 5,880AS10695Wal-Mart Stores, Inc.walmartstores.com
- 5,733AS9009M247 Europe SRLm247global.com
- 5,696AS30036Mediacom Communications Corpmediacomcable.com
- 5,558AS210Utah Education Networkuen.org
- 5,527AS20473The Constant Company, LLCvultr.com
- 5,316AS2686AT&T Enterprises, LLCatt.com
- 5,015AS8987Amazon Technologies Inc.amazon.com
- 4,989AS51964ORANGE BUSINESS SERVICES U.S. Inc.orange.com
- 4,905AS47583Hostinger International Limitedhostinger.com
- 4,786AS11492CABLE ONE, INC.cableone.biz
- 4,733AS22561CenturyLink Communications, LLCcenturylink.com
- 4,686AS7459Grande Communications Networks, LLCmygrande.com
- 4,580AS4010Headquarters, USAISCmail.mil
- 4,422AS5006Inteliquent, inc.inteliquent.com
- 4,402AS109CISCO SYSTEMS, INC.cisco.com
- 4,248AS72Schlumberger Limitedslb.com
- 4,195AS8070Microsoft Corporationmicrosoft.com
- 4,171AS22284U.S. Department of the Interiorusgs.gov
- 4,098AS46690Verizon Businessverizonbusiness.com
- 4,069AS11776Breezelinebreezeline.com
- 3,998AS3371Verizon Businessverizonbusiness.com
- 3,955AS7155ViaSat,Inc.viasat.com
- 3,914AS212238Datacamp Limiteddatacamp.co.uk
- 3,885AS13335Cloudflare, Inc.cloudflare.com
- 3,828AS18676Avaya LLCavaya.com
- 3,812AS203020HostRoyale Technologies Pvt Ltdhostroyale.com
- 3,716AS37518Fiber Grid INCfibergrid.eu
- 3,639AS637United States Department of Defense (DoD)mail.mil
- 3,599AS20055Wholesail networks LLCziplyfiber.com
- 3,582AS600OARnetosc.edu
- 3,556AS14340Salesforce, Inc.salesforce.com
- 3,537AS1226California Department of Technologyca.gov
- 3,463AS14593Space Exploration Technologies Corporationspacex.com
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