AS18027 220.68.176.0/21 CIDR and IP Range Summary.ASN: 18027 - Namseoul UniversityHost Count: 2046Addressable IPs: 2048220.68.176.0/24220.68.177.0/24220.68.178.0/24220.68.179.0/24220.68.180.0/24220.68.181.0/24220.68.182.0/24220.68.183.0/24