AS15943 37.122.136.0/21 CIDR and IP Range Summary.ASN: 15943 - wilhelm.tel GmbHHost Count: 2046Addressable IPs: 204837.122.136.0/2437.122.137.0/2437.122.138.0/2437.122.139.0/2437.122.140.0/2437.122.141.0/2437.122.142.0/2437.122.143.0/24