Split subnet by Network Mask
Specify the network mask, and then the network ID, for example, to split 192.168.0.0/23 network into subnets of MASK size /25:
25 192.168.0.0/23
To split 200.90.0.0/20 network into subnets of MASK size /24:
24 200.90.0.0/20
Related:
- IP calculators (information about Linux utilities and a complete list of online IP calculators)
- Introduction to IPv6 Addresses: How to Use and How to Explore the Network
- How to find out local IP addresses of ISP
- How to find out the Autonomous system on the IP and how to find out all the Autonomous System IPs