AS7018 12.107.144.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.107.144.0/2412.107.145.0/2412.107.146.0/2412.107.147.0/2412.107.148.0/2412.107.149.0/2412.107.150.0/2412.107.151.0/2412.107.152.0/2412.107.153.0/2412.107.154.0/2412.107.155.0/2412.107.156.0/2412.107.157.0/2412.107.158.0/2412.107.159.0/24