AS42840 83.136.128.0/21 CIDR and IP Range Summary.ASN: 42840 - S.Werk GmbHHost Count: 2046Addressable IPs: 204883.136.128.0/2483.136.129.0/2483.136.130.0/2483.136.131.0/2483.136.132.0/2483.136.133.0/2483.136.134.0/2483.136.135.0/24