AS7552 171.235.248.0/21 CIDR and IP Range Summary.ASN: 7552 - Viettel GroupHost Count: 2046Addressable IPs: 2048171.235.248.0/24171.235.249.0/24171.235.250.0/24171.235.251.0/24171.235.252.0/24171.235.253.0/24171.235.254.0/24171.235.255.0/24