AS1239 217.151.248.0/21 CIDR and IP Range Summary.ASN: 1239 - SprintHost Count: 2046Addressable IPs: 2048217.151.248.0/24217.151.249.0/24217.151.250.0/24217.151.251.0/24217.151.252.0/24217.151.253.0/24217.151.254.0/24217.151.255.0/24