AS7018 12.205.16.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.205.16.0/2412.205.17.0/2412.205.18.0/2412.205.19.0/2412.205.20.0/2412.205.21.0/2412.205.22.0/2412.205.23.0/2412.205.24.0/2412.205.25.0/2412.205.26.0/2412.205.27.0/2412.205.28.0/2412.205.29.0/2412.205.30.0/2412.205.31.0/24