Comcast CableComcast CableIP Ranges101,286Total IPs60,804,233 AS33667 US JP Chicago Houston Philadelphia+2482 more
Verizon Internet ServicesVerizon Internet ServicesIP Ranges9,213Total IPs30,534,791 AS701 US MX GB+2 more New York Philadelphia Queens+1192 more
Optimum WiFiOptimum WiFiIP Ranges252Total IPs208,128 AS54004 US New York Hendersonville Ashburn+86 more
National Institutes of HealthNational Institutes of HealthIP Ranges56Total IPs333,312 AS3527 US Bethesda Boonsboro Durham+10 more
US National Institute of Standards & TechnologyUS National Institute of Standards & TechnologyIP Ranges21Total IPs65,024 AS49 US Rockville Germantown Hagerstown+6 more