AS7018 12.20.192.0/19 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 8190Addressable IPs: 819212.20.192.0/2412.20.193.0/2412.20.194.0/2412.20.195.0/2412.20.196.0/2412.20.197.0/2412.20.198.0/2412.20.199.0/2412.20.200.0/2412.20.201.0/2412.20.202.0/2412.20.203.0/2412.20.204.0/2412.20.205.0/2412.20.206.0/2412.20.207.0/2412.20.208.0/2412.20.209.0/2412.20.210.0/2412.20.211.0/2412.20.212.0/2412.20.213.0/2412.20.214.0/2412.20.215.0/2412.20.216.0/2412.20.217.0/2412.20.218.0/2412.20.219.0/2412.20.220.0/2412.20.221.0/2412.20.222.0/2412.20.223.0/24