AS1239 199.3.248.0/21 CIDR and IP Range Summary.ASN: 1239 - SprintHost Count: 2046Addressable IPs: 2048199.3.248.0/24199.3.249.0/24199.3.250.0/24199.3.251.0/24199.3.252.0/24199.3.253.0/24199.3.254.0/24199.3.255.0/24