AS27021 216.203.80.0/20 CIDR and IP Range Summary.ASN: 27021 - Quest Diagnostics Inc.Host Count: 4094Addressable IPs: 4096216.203.80.0/24216.203.81.0/24216.203.82.0/24216.203.83.0/24216.203.84.0/24216.203.85.0/24216.203.86.0/24216.203.87.0/24216.203.88.0/24216.203.89.0/24216.203.90.0/24216.203.91.0/24216.203.92.0/24216.203.93.0/24216.203.94.0/24216.203.95.0/24