AS9637 203.253.240.0/21 CIDR and IP Range Summary.ASN: 9637 - Dankook UniversityHost Count: 2046Addressable IPs: 2048203.253.240.0/24203.253.241.0/24203.253.242.0/24203.253.243.0/24203.253.244.0/24203.253.245.0/24203.253.246.0/24203.253.247.0/24