AS43503 83.137.96.0/21 CIDR and IP Range Summary.ASN: 43503 - Herbst Datentechnik GmbHHost Count: 2046Addressable IPs: 204883.137.96.0/2483.137.97.0/2483.137.98.0/2483.137.99.0/2483.137.100.0/2483.137.101.0/2483.137.102.0/2483.137.103.0/24