AS19902 156.63.216.0/21 CIDR and IP Range Summary.ASN: 19902 - Department of Administrative ServicesHost Count: 2046Addressable IPs: 2048156.63.216.0/24156.63.217.0/24156.63.218.0/24156.63.219.0/24156.63.220.0/24156.63.221.0/24156.63.222.0/24156.63.223.0/24