AS28139 186.235.176.0/21 CIDR and IP Range Summary.ASN: 28139 - ItaSis Informatica LtdaHost Count: 2046Addressable IPs: 2048186.235.176.0/24186.235.177.0/24186.235.178.0/24186.235.179.0/24186.235.180.0/24186.235.181.0/24186.235.182.0/24186.235.183.0/24