AS7018 12.161.144.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.161.144.0/2412.161.145.0/2412.161.146.0/2412.161.147.0/2412.161.148.0/2412.161.149.0/2412.161.150.0/2412.161.151.0/2412.161.152.0/2412.161.153.0/2412.161.154.0/2412.161.155.0/2412.161.156.0/2412.161.157.0/2412.161.158.0/2412.161.159.0/24