AS1239 63.166.0.0/21 CIDR and IP Range Summary.ASN: 1239 - SprintHost Count: 2046Addressable IPs: 204863.166.0.0/2463.166.1.0/2463.166.2.0/2463.166.3.0/2463.166.4.0/2463.166.5.0/2463.166.6.0/2463.166.7.0/24