AS20810 45.138.56.0/22 CIDR and IP Range Summary.ASN: 20810 - Netcom Kassel Gesellschaft fuer Telekommunikation mbHHost Count: 1022Addressable IPs: 102445.138.56.0/2445.138.57.0/2445.138.58.0/2445.138.59.0/24