AS28509 189.215.248.0/21 CIDR and IP Range Summary.ASN: 28509 - Cablemas Telecomunicaciones SA de CVHost Count: 2046Addressable IPs: 2048189.215.248.0/24189.215.249.0/24189.215.250.0/24189.215.251.0/24189.215.252.0/24189.215.253.0/24189.215.254.0/24189.215.255.0/24