AS39891 188.53.72.0/21 CIDR and IP Range Summary.ASN: 39891 - Saudi Telecom Company JSCHost Count: 2046Addressable IPs: 2048188.53.72.0/24188.53.73.0/24188.53.74.0/24188.53.75.0/24188.53.76.0/24188.53.77.0/24188.53.78.0/24188.53.79.0/24