AS7552 171.227.32.0/21 CIDR and IP Range Summary.ASN: 7552 - Viettel GroupHost Count: 2046Addressable IPs: 2048171.227.32.0/24171.227.33.0/24171.227.34.0/24171.227.35.0/24171.227.36.0/24171.227.37.0/24171.227.38.0/24171.227.39.0/24