AS7018 12.180.144.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.180.144.0/2412.180.145.0/2412.180.146.0/2412.180.147.0/2412.180.148.0/2412.180.149.0/2412.180.150.0/2412.180.151.0/2412.180.152.0/2412.180.153.0/2412.180.154.0/2412.180.155.0/2412.180.156.0/2412.180.157.0/2412.180.158.0/2412.180.159.0/24