AS28503 201.139.192.0/21 CIDR and IP Range Summary.ASN: 28503 - GSAT Comunicaciones SA de CVHost Count: 2046Addressable IPs: 2048201.139.192.0/24201.139.193.0/24201.139.194.0/24201.139.195.0/24201.139.196.0/24201.139.197.0/24201.139.198.0/24201.139.199.0/24