AS1656 166.21.144.0/20 CIDR and IP Range Summary.ASN: 1656 - Lockheed Martin CorporationHost Count: 4094Addressable IPs: 4096166.21.144.0/24166.21.145.0/24166.21.146.0/24166.21.147.0/24166.21.148.0/24166.21.149.0/24166.21.150.0/24166.21.151.0/24166.21.152.0/24166.21.153.0/24166.21.154.0/24166.21.155.0/24166.21.156.0/24166.21.157.0/24166.21.158.0/24166.21.159.0/24