Comcast CableComcast CableIP Ranges126,320Total IPs60,514,802 AS33667 US Chicago Houston Philadelphia+2552 more
AT&T InternetAT&T InternetIP Ranges71,717Total IPs74,023,823 AS7018 US GB CA+5 more Houston Chicago Los Angeles+1687 more
Cogent CommunicationsCogent CommunicationsIP Ranges21,537Total IPs22,239,316 AS174 US CA GB+82 more New York Brooklyn Washington+1810 more
Frontier CommunicationsFrontier CommunicationsIP Ranges10,457Total IPs11,201,054 AS5650 US JP GR+1 more Davenport Fort Wayne Covina+941 more
Comcast BusinessComcast BusinessIP Ranges8,349Total IPs7,275,740 AS33659 US MD Denver Portland Nashville+2058 more
AT&T BusinessAT&T BusinessIP Ranges6,073Total IPs16,211,390 AS6269 US PR GB Chicago Atlanta Houston+1254 more
Verizon BusinessVerizon BusinessIP Ranges5,439Total IPs28,637,734 AS46639 US DE GB+35 more Vienna Miami Queens+411 more
Astound BroadbandAstound BroadbandIP Ranges3,666Total IPs6,986,796 AS6079 US NL IE+13 more Ashburn Chicago New York+280 more
Windstream CommunicationsWindstream CommunicationsIP Ranges2,843Total IPs12,515,893 AS7029 US HK CA+23 more Little Rock Harrison Savannah+688 more
Comcast Cable CommunicationsComcast Cable CommunicationsIP Ranges2,065Total IPs348,928 AS7015 US JP Miami Fort Lauderdale West Brooklyn+116 more
ZayoZayoIP Ranges1,685Total IPs1,565,014 AS6461 US CA GB+10 more Toronto Indianapolis Leesburg+296 more
AT&T Data Communications ServicesAT&T Data Communications ServicesIP Ranges325Total IPs279,550 AS2386 US NL CH+3 more Orlando Plano Maysville+110 more
Illinois Century NetworkIllinois Century NetworkIP Ranges162Total IPs729,600 AS6325 US Roselle Chicago Springfield+52 more
Argonne National LaboratoryArgonne National LaboratoryIP Ranges33Total IPs300,032 AS683 US Lemont Hinsdale Plainfield+3 more
First CommunicationsFirst CommunicationsIP Ranges28Total IPs181,760 AS16399 US Medina Chicago Cleveland+9 more
Convergeone HoldingsConvergeone HoldingsIP Ranges26Total IPs28,928 AS396204 US Glenview Buffalo Grove Naperville+3 more
Blast CommunicationsBlast CommunicationsIP Ranges8Total IPs13,312 AS26328 US Maple Park Naperville Glen Ellyn
City of Evanston, IllinoisCity of Evanston, IllinoisIP Ranges5Total IPs1,280 AS33248 US Naperville Evanston
Edward Health Service CorpEdward Health Service CorpIP Ranges4Total IPs1,280 AS12250 US Elmhurst Naperville
Harris Trust & Savings BankHarris Trust & Savings BankIP Ranges4Total IPs1,280 AS33593 US Naperville Racine