AS53507 173.243.16.0/20 CIDR and IP Range Summary.ASN: 53507 - Millry Telephone Co Inc.Host Count: 4094Addressable IPs: 4096173.243.16.0/24173.243.17.0/24173.243.18.0/24173.243.19.0/24173.243.20.0/24173.243.21.0/24173.243.22.0/24173.243.23.0/24173.243.24.0/24173.243.25.0/24173.243.26.0/24173.243.27.0/24173.243.28.0/24173.243.29.0/24173.243.30.0/24173.243.31.0/24