AS43509 37.148.232.0/21 CIDR and IP Range Summary.ASN: 43509 - Bank-Verlag GmbHHost Count: 2046Addressable IPs: 204837.148.232.0/2437.148.233.0/2437.148.234.0/2437.148.235.0/2437.148.236.0/2437.148.237.0/2437.148.238.0/2437.148.239.0/24