AS42973 164.39.16.0/21 CIDR and IP Range Summary.ASN: 42973 - M247 UK LtdHost Count: 2046Addressable IPs: 2048164.39.16.0/24164.39.17.0/24164.39.18.0/24164.39.19.0/24164.39.20.0/24164.39.21.0/24164.39.22.0/24164.39.23.0/24