AS7552 115.77.88.0/21 CIDR and IP Range Summary.ASN: 7552 - Viettel GroupHost Count: 2046Addressable IPs: 2048115.77.88.0/24115.77.89.0/24115.77.90.0/24115.77.91.0/24115.77.92.0/24115.77.93.0/24115.77.94.0/24115.77.95.0/24