AS53421 199.244.16.0/21 CIDR and IP Range Summary.ASN: 53421 - Troy City School DistrictHost Count: 2046Addressable IPs: 2048199.244.16.0/24199.244.17.0/24199.244.18.0/24199.244.19.0/24199.244.20.0/24199.244.21.0/24199.244.22.0/24199.244.23.0/24