AS41998 217.66.136.0/21 CIDR and IP Range Summary.ASN: 41998 - NetCom BW GmbHHost Count: 2046Addressable IPs: 2048217.66.136.0/24217.66.137.0/24217.66.138.0/24217.66.139.0/24217.66.140.0/24217.66.141.0/24217.66.142.0/24217.66.143.0/24