AS7552 171.248.40.0/21 CIDR and IP Range Summary.ASN: 7552 - Viettel GroupHost Count: 2046Addressable IPs: 2048171.248.40.0/24171.248.41.0/24171.248.42.0/24171.248.43.0/24171.248.44.0/24171.248.45.0/24171.248.46.0/24171.248.47.0/24