AS7018 12.22.144.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.22.144.0/2412.22.145.0/2412.22.146.0/2412.22.147.0/2412.22.148.0/2412.22.149.0/2412.22.150.0/2412.22.151.0/24