ASN 7018 - AT&T Services Inc. Number of IPs: 4096 Number of Addressable Hosts: 4094 IP Subnets in 12.190.240.0/20 12.190.240.0/2412.190.241.0/2412.190.242.0/2412.190.243.0/2412.190.244.0/2412.190.245.0/2412.190.246.0/2412.190.247.0/2412.190.248.0/2412.190.249.0/2412.190.250.0/2412.190.251.0/2412.190.252.0/2412.190.253.0/2412.190.254.0/2412.190.255.0/24