AS7552 171.252.104.0/21 CIDR and IP Range Summary.ASN: 7552 - Viettel GroupHost Count: 2046Addressable IPs: 2048171.252.104.0/24171.252.105.0/24171.252.106.0/24171.252.107.0/24171.252.108.0/24171.252.109.0/24171.252.110.0/24171.252.111.0/24