AS28509 187.252.128.0/20 CIDR and IP Range Summary.ASN: 28509 - Cablemas Telecomunicaciones SA de CVHost Count: 4094Addressable IPs: 4096187.252.128.0/24187.252.129.0/24187.252.130.0/24187.252.131.0/24187.252.132.0/24187.252.133.0/24187.252.134.0/24187.252.135.0/24187.252.136.0/24187.252.137.0/24187.252.138.0/24187.252.139.0/24187.252.140.0/24187.252.141.0/24187.252.142.0/24187.252.143.0/24