Detailed information about 139.45.240.0/21 ASN 9002 - RETN-AS Number of IPs: 2048 Number of Addressable Hosts: 2046 IP Subnets in 139.45.240.0/21139.45.240.0/24139.45.241.0/24139.45.242.0/24139.45.243.0/24139.45.244.0/24139.45.245.0/24139.45.246.0/24139.45.247.0/24