AS43503 81.16.48.0/21 CIDR and IP Range Summary.ASN: 43503 - Herbst Datentechnik GmbHHost Count: 2046Addressable IPs: 204881.16.48.0/2481.16.49.0/2481.16.50.0/2481.16.51.0/2481.16.52.0/2481.16.53.0/2481.16.54.0/2481.16.55.0/24