ASN 13979 - AT&T Services Inc.Organization : AT&T Services Inc.Total Countries Listed: 1Total IP Ranges Listed: 21United States of America - IP Ranges: 21IP Range List15.0.0.0/2315.0.65.0/2415.0.66.0/2315.0.68.0/2215.0.72.0/2115.0.80.0/2015.0.96.0/2115.4.64.0/1815.8.64.0/1815.12.64.0/2115.12.76.0/2215.12.80.0/2015.12.96.0/1915.98.64.0/1855.22.84.0/2455.22.176.0/24137.164.35.12/30192.46.108.0/24198.22.127.0/24204.228.175.0/24204.228.182.0/24