AS28509 187.253.8.0/21 CIDR and IP Range Summary.ASN: 28509 - Cablemas Telecomunicaciones SA de CVHost Count: 2046Addressable IPs: 2048187.253.8.0/24187.253.9.0/24187.253.10.0/24187.253.11.0/24187.253.12.0/24187.253.13.0/24187.253.14.0/24187.253.15.0/24