AS7018 12.148.16.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.148.16.0/2412.148.17.0/2412.148.18.0/2412.148.19.0/2412.148.20.0/2412.148.21.0/2412.148.22.0/2412.148.23.0/2412.148.24.0/2412.148.25.0/2412.148.26.0/2412.148.27.0/2412.148.28.0/2412.148.29.0/2412.148.30.0/2412.148.31.0/24