AS23853 211.147.72.0/21 CIDR and IP Range Summary.ASN: 23853 - Shanghai Data Solution Co. Ltd.Host Count: 2046Addressable IPs: 2048211.147.72.0/24211.147.73.0/24211.147.74.0/24211.147.75.0/24211.147.76.0/24211.147.77.0/24211.147.78.0/24211.147.79.0/24