AS57154 31.47.80.0/21 CIDR and IP Range Summary.ASN: 57154 - Stadtwerke Konstanz GmbHHost Count: 2046Addressable IPs: 204831.47.80.0/2431.47.81.0/2431.47.82.0/2431.47.83.0/2431.47.84.0/2431.47.85.0/2431.47.86.0/2431.47.87.0/24