AS7552 117.0.136.0/21 CIDR and IP Range Summary.ASN: 7552 - Viettel GroupHost Count: 2046Addressable IPs: 2048117.0.136.0/24117.0.137.0/24117.0.138.0/24117.0.139.0/24117.0.140.0/24117.0.141.0/24117.0.142.0/24117.0.143.0/24