AS7018 12.7.144.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.7.144.0/2412.7.145.0/2412.7.146.0/2412.7.147.0/2412.7.148.0/2412.7.149.0/2412.7.150.0/2412.7.151.0/24