AS7552 115.73.152.0/21 CIDR and IP Range Summary.ASN: 7552 - Viettel GroupHost Count: 2046Addressable IPs: 2048115.73.152.0/24115.73.153.0/24115.73.154.0/24115.73.155.0/24115.73.156.0/24115.73.157.0/24115.73.158.0/24115.73.159.0/24