AS7552 171.234.64.0/21 CIDR and IP Range Summary.ASN: 7552 - Viettel GroupHost Count: 2046Addressable IPs: 2048171.234.64.0/24171.234.65.0/24171.234.66.0/24171.234.67.0/24171.234.68.0/24171.234.69.0/24171.234.70.0/24171.234.71.0/24