AS7552 171.247.120.0/21 CIDR and IP Range Summary.ASN: 7552 - Viettel GroupHost Count: 2046Addressable IPs: 2048171.247.120.0/24171.247.121.0/24171.247.122.0/24171.247.123.0/24171.247.124.0/24171.247.125.0/24171.247.126.0/24171.247.127.0/24