AS201011 5.56.16.0/21 CIDR and IP Range Summary.ASN: 201011 - Core-Backbone GmbHHost Count: 2046Addressable IPs: 20485.56.16.0/245.56.17.0/245.56.18.0/245.56.19.0/245.56.20.0/245.56.21.0/245.56.22.0/245.56.23.0/24