Detailed information about 199.108.200.0/21 ASN 17231 - AT&T Enhanced Network Services Number of IPs: 2048 Number of Addressable Hosts: 2046 IP Subnets in 199.108.200.0/21199.108.200.0/24199.108.201.0/24199.108.202.0/24199.108.203.0/24199.108.204.0/24199.108.205.0/24199.108.206.0/24199.108.207.0/24