AS7552 27.66.224.0/21 CIDR and IP Range Summary.ASN: 7552 - Viettel GroupHost Count: 2046Addressable IPs: 204827.66.224.0/2427.66.225.0/2427.66.226.0/2427.66.227.0/2427.66.228.0/2427.66.229.0/2427.66.230.0/2427.66.231.0/24