AS23965 203.26.248.0/21 CIDR and IP Range Summary.ASN: 23965 - Catholic Education Office SydneyHost Count: 2046Addressable IPs: 2048203.26.248.0/24203.26.249.0/24203.26.250.0/24203.26.251.0/24203.26.252.0/24203.26.253.0/24203.26.254.0/24203.26.255.0/24