AS166 198.97.168.0/21 CIDR and IP Range Summary.ASN: 166 - Institute for Defense AnalysesHost Count: 2046Addressable IPs: 2048198.97.168.0/24198.97.169.0/24198.97.170.0/24198.97.171.0/24198.97.172.0/24198.97.173.0/24198.97.174.0/24198.97.175.0/24