AS7018 12.48.144.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.48.144.0/2412.48.145.0/2412.48.146.0/2412.48.147.0/2412.48.148.0/2412.48.149.0/2412.48.150.0/2412.48.151.0/24