AS1239 208.28.152.0/21 CIDR and IP Range Summary.ASN: 1239 - SprintHost Count: 2046Addressable IPs: 2048208.28.152.0/24208.28.153.0/24208.28.154.0/24208.28.155.0/24208.28.156.0/24208.28.157.0/24208.28.158.0/24208.28.159.0/24