AS7552 27.74.64.0/21 CIDR and IP Range Summary.ASN: 7552 - Viettel GroupHost Count: 2046Addressable IPs: 204827.74.64.0/2427.74.65.0/2427.74.66.0/2427.74.67.0/2427.74.68.0/2427.74.69.0/2427.74.70.0/2427.74.71.0/24