AS63747 45.252.240.0/21 CIDR and IP Range Summary.ASN: 63747 - Central Post and Telecommunication CPTHost Count: 2046Addressable IPs: 204845.252.240.0/2445.252.241.0/2445.252.242.0/2445.252.243.0/2445.252.244.0/2445.252.245.0/2445.252.246.0/2445.252.247.0/24