AS28509 189.214.136.0/21 CIDR and IP Range Summary.ASN: 28509 - Cablemas Telecomunicaciones SA de CVHost Count: 2046Addressable IPs: 2048189.214.136.0/24189.214.137.0/24189.214.138.0/24189.214.139.0/24189.214.140.0/24189.214.141.0/24189.214.142.0/24189.214.143.0/24