ASN 3555 - AT&T Technical Services Company Inc.Organization : AT&T Technical Services Company Inc.Total Countries Listed: 1Total IP Ranges Listed: 12United States of America - IP Ranges: 12IP Range List192.31.9.0/24192.246.37.0/24198.17.99.0/24198.22.152.0/24198.137.234.0/23199.74.244.0/24199.79.216.0/24199.89.132.0/23199.89.158.0/23199.89.160.0/24204.89.153.0/24204.89.154.0/24