AS7018 12.2.144.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.2.144.0/2412.2.145.0/2412.2.146.0/2412.2.147.0/2412.2.148.0/2412.2.149.0/2412.2.150.0/2412.2.151.0/2412.2.152.0/2412.2.153.0/2412.2.154.0/2412.2.155.0/2412.2.156.0/2412.2.157.0/2412.2.158.0/2412.2.159.0/24