AS17583 211.111.16.0/21 CIDR and IP Range Summary.ASN: 17583 - Keumgang Cable NetworkHost Count: 2046Addressable IPs: 2048211.111.16.0/24211.111.17.0/24211.111.18.0/24211.111.19.0/24211.111.20.0/24211.111.21.0/24211.111.22.0/24211.111.23.0/24