AS7552 171.247.88.0/21 CIDR and IP Range Summary.ASN: 7552 - Viettel GroupHost Count: 2046Addressable IPs: 2048171.247.88.0/24171.247.89.0/24171.247.90.0/24171.247.91.0/24171.247.92.0/24171.247.93.0/24171.247.94.0/24171.247.95.0/24