AS51167 31.220.72.0/21 CIDR and IP Range Summary.ASN: 51167 - Contabo GmbHHost Count: 2046Addressable IPs: 204831.220.72.0/2431.220.73.0/2431.220.74.0/2431.220.75.0/2431.220.76.0/2431.220.77.0/2431.220.78.0/2431.220.79.0/24