AS7018 12.104.16.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.104.16.0/2412.104.17.0/2412.104.18.0/2412.104.19.0/2412.104.20.0/2412.104.21.0/2412.104.22.0/2412.104.23.0/2412.104.24.0/2412.104.25.0/2412.104.26.0/2412.104.27.0/2412.104.28.0/2412.104.29.0/2412.104.30.0/2412.104.31.0/24