AS7018 12.105.144.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.105.144.0/2412.105.145.0/2412.105.146.0/2412.105.147.0/2412.105.148.0/2412.105.149.0/2412.105.150.0/2412.105.151.0/2412.105.152.0/2412.105.153.0/2412.105.154.0/2412.105.155.0/2412.105.156.0/2412.105.157.0/2412.105.158.0/2412.105.159.0/24