AS1239 63.173.40.0/21 CIDR and IP Range Summary.ASN: 1239 - SprintHost Count: 2046Addressable IPs: 204863.173.40.0/2463.173.41.0/2463.173.42.0/2463.173.43.0/2463.173.44.0/2463.173.45.0/2463.173.46.0/2463.173.47.0/24