Subnet Cheat Sheet – 24 Subnet Mask, 30, 26, 27, 29, and other IP Address CIDR Network References
What is subnet mask should I use? If I currently use the default mask for myIP 192.168.1.0 I need to subnet my network so that I have 30 additional networks, and 4
Subnetwork - Wikipedia
The Sky Networks - CIDR CIDR (Classless Inter-Domain Routing) notation rather than the common subnet mask 255.x.x.x when configuring addresses and networks. Refer to the CIDR Subnet Table to find the CIDR