AS7018 12.150.16.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.150.16.0/2412.150.17.0/2412.150.18.0/2412.150.19.0/2412.150.20.0/2412.150.21.0/2412.150.22.0/2412.150.23.0/2412.150.24.0/2412.150.25.0/2412.150.26.0/2412.150.27.0/2412.150.28.0/2412.150.29.0/2412.150.30.0/2412.150.31.0/24