AS263559 186.237.248.0/21 CIDR and IP Range Summary.ASN: 263559 - Fundacao Educacional da Regiao de JoinvilleHost Count: 2046Addressable IPs: 2048186.237.248.0/24186.237.249.0/24186.237.250.0/24186.237.251.0/24186.237.252.0/24186.237.253.0/24186.237.254.0/24186.237.255.0/24