AS7552 171.241.216.0/21 CIDR and IP Range Summary.ASN: 7552 - Viettel GroupHost Count: 2046Addressable IPs: 2048171.241.216.0/24171.241.217.0/24171.241.218.0/24171.241.219.0/24171.241.220.0/24171.241.221.0/24171.241.222.0/24171.241.223.0/24