US National Institute of Standards & TechnologyUS National Institute of Standards & TechnologyIP Ranges21Total IPs65,024 AS49 US Brookeville Gaithersburg Frederick+5 more
Atlantech OnlineAtlantech OnlineIP Ranges13Total IPs57,344 AS7784 US Arlington Culpeper Woodbridge+6 more
GlaxoSmithKlineGlaxoSmithKlineIP Ranges12Total IPs3,328 AS3902 US SG GB+1 more Singapore King of Prussia Silver Spring
US Food and Drug AdministrationUS Food and Drug AdministrationIP Ranges12Total IPs65,536 AS22828 US Silver Spring
BrightstarBrightstarIP Ranges11Total IPs19,200 AS42228 GB US MT Sydenham New York St. Julian's+1 more
Wbd-as2631Wbd-as2631IP Ranges10Total IPs5,120 AS2631 US BR NL+1 more Silver Spring Sterling Miami+3 more
Presidio Networked SolutionsPresidio Networked SolutionsIP Ranges9Total IPs2,816 AS22511 US Pontiac Silver Spring Crowley+3 more
National Library of MedicineNational Library of MedicineIP Ranges8Total IPs67,840 AS70 US Potomac Rockville Silver Spring
iCore NetworksiCore NetworksIP Ranges7Total IPs11,776 AS18851 US Washington Hyattsville Silver Spring
Anduril-1Anduril-1IP Ranges7Total IPs4,864 AS393319 US AU+1 more Silver Spring Sydney San Francisco+1 more
Montgomery County GovernmentMontgomery County GovernmentIP Ranges7Total IPs2,304 AS54439 US Silver Spring Germantown Boyds
Design Data SystemsDesign Data SystemsIP Ranges6Total IPs1,792 AS14011 US Silver Spring Arlington Washington