AS7552 27.77.40.0/21 CIDR and IP Range Summary.ASN: 7552 - Viettel GroupHost Count: 2046Addressable IPs: 204827.77.40.0/2427.77.41.0/2427.77.42.0/2427.77.43.0/2427.77.44.0/2427.77.45.0/2427.77.46.0/2427.77.47.0/24