AS31997 209.87.216.0/21 CIDR and IP Range Summary.ASN: 31997 - Check Point Software Technologies Inc.Host Count: 2046Addressable IPs: 2048209.87.216.0/24209.87.217.0/24209.87.218.0/24209.87.219.0/24209.87.220.0/24209.87.221.0/24209.87.222.0/24209.87.223.0/24