128 64  32  16  8   4   2   1
128 192 224 240 248 252 254 255
/25 /26 /27 /28 /29 /30 /31 /32
/17 /18 /19 /20 /21 /22 /23 /24
/9  /10 /11 /12 /13 /14 /15 /16
/1  /2  /3  /4  /5  /6  /7  /8

Using that cheatsheet, solve for:

Network ID:
First IP:
Last IP:
Broadcast ID:
Next Network:
Subnet Mask:
Number of Hosts:

Subnetting practice: https://subnetipv4.com/