AS1958 153.72.240.0/21 CIDR and IP Range Summary.ASN: 1958 - NCR CorporationHost Count: 2046Addressable IPs: 2048153.72.240.0/24153.72.241.0/24153.72.242.0/24153.72.243.0/24153.72.244.0/24153.72.245.0/24153.72.246.0/24153.72.247.0/24