AS28509 187.253.128.0/20 CIDR and IP Range Summary.ASN: 28509 - Cablemas Telecomunicaciones SA de CVHost Count: 4094Addressable IPs: 4096187.253.128.0/24187.253.129.0/24187.253.130.0/24187.253.131.0/24187.253.132.0/24187.253.133.0/24187.253.134.0/24187.253.135.0/24187.253.136.0/24187.253.137.0/24187.253.138.0/24187.253.139.0/24187.253.140.0/24187.253.141.0/24187.253.142.0/24187.253.143.0/24