AS7552 171.232.16.0/21 CIDR and IP Range Summary.ASN: 7552 - Viettel GroupHost Count: 2046Addressable IPs: 2048171.232.16.0/24171.232.17.0/24171.232.18.0/24171.232.19.0/24171.232.20.0/24171.232.21.0/24171.232.22.0/24171.232.23.0/24