AS16423 216.21.64.0/19 CIDR and IP Range Summary.ASN: 16423 - NetToGoHost Count: 8190Addressable IPs: 8192216.21.64.0/24216.21.65.0/24216.21.66.0/24216.21.67.0/24216.21.68.0/24216.21.69.0/24216.21.70.0/24216.21.71.0/24216.21.72.0/24216.21.73.0/24216.21.74.0/24216.21.75.0/24216.21.76.0/24216.21.77.0/24216.21.78.0/24216.21.79.0/24216.21.80.0/24216.21.81.0/24216.21.82.0/24216.21.83.0/24216.21.84.0/24216.21.85.0/24216.21.86.0/24216.21.87.0/24216.21.88.0/24216.21.89.0/24216.21.90.0/24216.21.91.0/24216.21.92.0/24216.21.93.0/24216.21.94.0/24216.21.95.0/24