AS7552 171.248.224.0/21 CIDR and IP Range Summary.ASN: 7552 - Viettel GroupHost Count: 2046Addressable IPs: 2048171.248.224.0/24171.248.225.0/24171.248.226.0/24171.248.227.0/24171.248.228.0/24171.248.229.0/24171.248.230.0/24171.248.231.0/24