ASN 19957 - AT&T Corp.Organization : AT&T Corp.Total Countries Listed: 1Total IP Ranges Listed: 16United States of America - IP Ranges: 16IP Range List12.204.201.0/2412.204.206.0/2412.204.208.0/2312.204.216.0/2164.79.182.0/2366.4.0.0/1670.150.21.0/2470.150.247.0/2472.158.184.0/2472.159.76.0/24170.141.56.0/23170.141.60.0/23198.146.0.0/16206.23.0.0/16208.63.128.0/23208.182.0.0/16