AS7018 12.184.144.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.184.144.0/2412.184.145.0/2412.184.146.0/2412.184.147.0/2412.184.148.0/2412.184.149.0/2412.184.150.0/2412.184.151.0/2412.184.152.0/2412.184.153.0/2412.184.154.0/2412.184.155.0/2412.184.156.0/2412.184.157.0/2412.184.158.0/2412.184.159.0/24