Comcast CableComcast CableIP Ranges101,286Total IPs60,804,233 AS33667 US JP Chicago Houston Philadelphia+2482 more
AT&T InternetAT&T InternetIP Ranges56,403Total IPs74,027,968 AS7018 US GB CA+5 more Houston Chicago St Louis+1573 more
Cogent CommunicationsCogent CommunicationsIP Ranges20,023Total IPs22,391,203 AS174 US GB CA+80 more Washington New York Ashburn+1614 more
LumenLumenIP Ranges10,161Total IPs32,412,187 AS3356 US GB BR+47 more Wichita Houston Washington+1091 more
CenturyLinkCenturyLinkIP Ranges9,460Total IPs25,370,600 AS203 US GB CA+10 more Phoenix Denver Seattle+1207 more
Verizon Internet ServicesVerizon Internet ServicesIP Ranges9,213Total IPs30,534,791 AS701 US MX GB+2 more New York Philadelphia Queens+1192 more
Comcast BusinessComcast BusinessIP Ranges8,798Total IPs7,394,780 AS53851 US MD GB Denver Portland Chicago+2049 more
AT&T BusinessAT&T BusinessIP Ranges6,164Total IPs16,195,518 AS6269 US PR Chicago Atlanta Houston+1266 more
Verizon Fios BusinessVerizon Fios BusinessIP Ranges5,097Total IPs1,543,167 AS701 US New York Brooklyn Queens+819 more
Spectrum BusinessSpectrum BusinessIP Ranges4,044Total IPs10,077,317 AS46810 US New York Orlando Charlotte+1219 more
Verizon BusinessVerizon BusinessIP Ranges2,919Total IPs13,801,512 AS7046 US DE GB+34 more Amsterdam Baltimore Salt Lake City+331 more
NTT-DATANTT-DATAIP Ranges1,685Total IPs5,907,325 AS2914 US JP GB+44 more City of London Long Beach Los Angeles+102 more
VultrVultrIP Ranges806Total IPs1,266,665 AS20473 US JP GB+40 more Piscataway Santa Clara Minamishinagawa+64 more
US Department of Defense NetworkUS Department of Defense NetworkIP Ranges673Total IPs6,040,832 AS6034 US Washington Sergeant Bluff Sparks+31 more
AT&T Internet ServicesAT&T Internet ServicesIP Ranges138Total IPs739,592 AS4186 US GB NL+4 more Dallas Alexandria Washington+18 more
US National Institute of Standards & TechnologyUS National Institute of Standards & TechnologyIP Ranges21Total IPs65,024 AS49 US Rockville Germantown Hagerstown+6 more
GlaxoSmithKlineGlaxoSmithKlineIP Ranges12Total IPs3,328 AS3902 US SG GB+1 more Singapore King of Prussia Germantown
Montgomery County GovernmentMontgomery County GovernmentIP Ranges7Total IPs2,304 AS54439 US Germantown Silver Spring Boyds
Financial Industry Regulatory AuthorityFinancial Industry Regulatory AuthorityIP Ranges1Total IPs512 AS16719 US Germantown
The Scientific Consulting GroupThe Scientific Consulting GroupIP Ranges1Total IPs256 AS22831 US Germantown