AS18334 121.100.112.0/21 CIDR and IP Range Summary.ASN: 18334 - Gyounggidongbu Cable TV Co. Ltd.Host Count: 2046Addressable IPs: 2048121.100.112.0/24121.100.113.0/24121.100.114.0/24121.100.115.0/24121.100.116.0/24121.100.117.0/24121.100.118.0/24121.100.119.0/24