AS7018 12.148.144.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.148.144.0/2412.148.145.0/2412.148.146.0/2412.148.147.0/2412.148.148.0/2412.148.149.0/2412.148.150.0/2412.148.151.0/2412.148.152.0/2412.148.153.0/2412.148.154.0/2412.148.155.0/2412.148.156.0/2412.148.157.0/2412.148.158.0/2412.148.159.0/24