AS15954 31.47.72.0/21 CIDR and IP Range Summary.ASN: 15954 - Tecnocratica Centro de Datos S.L.Host Count: 2046Addressable IPs: 204831.47.72.0/2431.47.73.0/2431.47.74.0/2431.47.75.0/2431.47.76.0/2431.47.77.0/2431.47.78.0/2431.47.79.0/24