AS21234 217.25.128.0/20 CIDR and IP Range Summary.ASN: 21234 - GRENKE Service GmbHHost Count: 4094Addressable IPs: 4096217.25.128.0/24217.25.129.0/24217.25.130.0/24217.25.131.0/24217.25.132.0/24217.25.133.0/24217.25.134.0/24217.25.135.0/24217.25.136.0/24217.25.137.0/24217.25.138.0/24217.25.139.0/24217.25.140.0/24217.25.141.0/24217.25.142.0/24217.25.143.0/24