AS1239 63.175.128.0/21 CIDR and IP Range Summary.ASN: 1239 - SprintHost Count: 2046Addressable IPs: 204863.175.128.0/2463.175.129.0/2463.175.130.0/2463.175.131.0/2463.175.132.0/2463.175.133.0/2463.175.134.0/2463.175.135.0/24