AS7552 171.226.240.0/21 CIDR and IP Range Summary.ASN: 7552 - Viettel GroupHost Count: 2046Addressable IPs: 2048171.226.240.0/24171.226.241.0/24171.226.242.0/24171.226.243.0/24171.226.244.0/24171.226.245.0/24171.226.246.0/24171.226.247.0/24