AS22 138.147.64.0/21 CIDR and IP Range Summary.ASN: 22 - Navy Network Information Center (NNIC)Host Count: 2046Addressable IPs: 2048138.147.64.0/24138.147.65.0/24138.147.66.0/24138.147.67.0/24138.147.68.0/24138.147.69.0/24138.147.70.0/24138.147.71.0/24