AS28503 201.139.208.0/21 CIDR and IP Range Summary.ASN: 28503 - GSAT Comunicaciones SA de CVHost Count: 2046Addressable IPs: 2048201.139.208.0/24201.139.209.0/24201.139.210.0/24201.139.211.0/24201.139.212.0/24201.139.213.0/24201.139.214.0/24201.139.215.0/24