Comcast CableComcast CableIP Ranges103,871Total IPs60,822,180 AS33667 US JP Philadelphia Chicago Houston+2486 more
Cogent CommunicationsCogent CommunicationsIP Ranges20,325Total IPs22,021,069 AS174 US CA GB+78 more Washington New York Brooklyn+1624 more
LumenLumenIP Ranges10,193Total IPs32,360,666 AS3356 US GB BR+47 more Wichita New York Houston+1113 more
Verizon Internet ServicesVerizon Internet ServicesIP Ranges9,185Total IPs30,581,130 AS701 US MX GB+2 more Washington Philadelphia Brooklyn+1223 more
Comcast BusinessComcast BusinessIP Ranges8,799Total IPs7,393,500 AS53851 US MD GB Portland Morrison Denver+2057 more
Verizon Fios BusinessVerizon Fios BusinessIP Ranges5,114Total IPs1,548,287 AS701 US New York Brooklyn Queens+825 more
ClouviderClouviderIP Ranges678Total IPs290,304 AS62240 US DE GB+50 more New York Berlin Munich+184 more
Continental Broadband PennsylvaniaContinental Broadband PennsylvaniaIP Ranges101Total IPs303,360 AS17054 US Indianapolis Pittsburgh Philadelphia+32 more
National Institutes of HealthNational Institutes of HealthIP Ranges56Total IPs333,312 AS3527 US Bethesda Gaithersburg Durham+7 more
Allied Telecom Group, LLCAllied Telecom Group, LLCIP Ranges39Total IPs77,824 AS22925 US Washington Silver Spring Alexandria+7 more
University of MarylandUniversity of MarylandIP Ranges26Total IPs249,856 AS10886 US Silver Spring College Park Capitol Heights+8 more
US National Institute of Standards & TechnologyUS National Institute of Standards & TechnologyIP Ranges21Total IPs65,024 AS49 US Brookeville Gaithersburg Frederick+5 more
Microtronix-esolutionsMicrotronix-esolutionsIP Ranges16Total IPs4,608 AS400175 US Ottoville Jacksonville North Baltimore+1 more
Atlantech OnlineAtlantech OnlineIP Ranges13Total IPs57,344 AS7784 US Arlington Culpeper Woodbridge+6 more
Federal Home Loan Mortgage CorporationFederal Home Loan Mortgage CorporationIP Ranges10Total IPs12,288 AS17275 US Reston Bethesda McLean
Montgomery County Public SchoolsMontgomery County Public SchoolsIP Ranges6Total IPs64,512 AS32073 US Bethesda Germantown
Congressional Budget OfficeCongressional Budget OfficeIP Ranges5Total IPs1,280 AS2274 US Bethesda Washington
Buchbinder Tunick & Company, LLPBuchbinder Tunick & Company, LLPIP Ranges2Total IPs16 AS174 US Bethesda Washington
Stone Ridge School of the Sacred HeartStone Ridge School of the Sacred HeartIP Ranges1Total IPs8 AS174 US Bethesda
Cyber Point International, LLCCyber Point International, LLCIP Ranges1Total IPs1,024 AS22101 US Bethesda