AS1239 63.172.88.0/21 CIDR and IP Range Summary.ASN: 1239 - SprintHost Count: 2046Addressable IPs: 204863.172.88.0/2463.172.89.0/2463.172.90.0/2463.172.91.0/2463.172.92.0/2463.172.93.0/2463.172.94.0/2463.172.95.0/24