AS18705 173.247.40.0/21 CIDR and IP Range Summary.ASN: 18705 - BlackBerry LimitedHost Count: 2046Addressable IPs: 2048173.247.40.0/24173.247.41.0/24173.247.42.0/24173.247.43.0/24173.247.44.0/24173.247.45.0/24173.247.46.0/24173.247.47.0/24