AS18097 121.100.56.0/21 CIDR and IP Range Summary.ASN: 18097 - D.C.N. CorporationHost Count: 2046Addressable IPs: 2048121.100.56.0/24121.100.57.0/24121.100.58.0/24121.100.59.0/24121.100.60.0/24121.100.61.0/24121.100.62.0/24121.100.63.0/24