AS7552 115.72.80.0/21 CIDR and IP Range Summary.ASN: 7552 - Viettel GroupHost Count: 2046Addressable IPs: 2048115.72.80.0/24115.72.81.0/24115.72.82.0/24115.72.83.0/24115.72.84.0/24115.72.85.0/24115.72.86.0/24115.72.87.0/24