AS51401 83.137.32.0/21 CIDR and IP Range Summary.ASN: 51401 - arvato systems GmbHHost Count: 2046Addressable IPs: 204883.137.32.0/2483.137.33.0/2483.137.34.0/2483.137.35.0/2483.137.36.0/2483.137.37.0/2483.137.38.0/2483.137.39.0/24