AS28554 189.215.136.0/21 CIDR and IP Range Summary.ASN: 28554 - Cablemas Telecomunicaciones SA de CVHost Count: 2046Addressable IPs: 2048189.215.136.0/24189.215.137.0/24189.215.138.0/24189.215.139.0/24189.215.140.0/24189.215.141.0/24189.215.142.0/24189.215.143.0/24