Detailed information about 209.121.72.0/21 ASN 852 - ASN852 Number of IPs: 2048 Number of Addressable Hosts: 2046 IP Subnets in 209.121.72.0/21209.121.72.0/24209.121.73.0/24209.121.74.0/24209.121.75.0/24209.121.76.0/24209.121.77.0/24209.121.78.0/24209.121.79.0/24