AS7018 12.152.144.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.152.144.0/2412.152.145.0/2412.152.146.0/2412.152.147.0/2412.152.148.0/2412.152.149.0/2412.152.150.0/2412.152.151.0/24