AS28637 186.233.244.0/22 CIDR and IP Range Summary.ASN: 28637 - CIA Proc. de Dados do Estado de S Paulo - PRODESPHost Count: 1022Addressable IPs: 1024186.233.244.0/24186.233.245.0/24186.233.246.0/24186.233.247.0/24