AS19902 156.63.152.0/21 CIDR and IP Range Summary.ASN: 19902 - Department of Administrative ServicesHost Count: 2046Addressable IPs: 2048156.63.152.0/24156.63.153.0/24156.63.154.0/24156.63.155.0/24156.63.156.0/24156.63.157.0/24156.63.158.0/24156.63.159.0/24