How to Find Your Subnet Mask: PC, Mac, Linux, Android & More
IP Subnetting - IT Tech Blog
Subnetting on the 3rd and 4th Octet - examples - FlackBox
Consider that the IP address is 192.248.87.3 and the sub-net mask is 255.255.255.224. How many hosts can be directly connected to this network? - Quora
Subnet Cheat Sheet – 24 Subnet Mask, 30, 26, 27, 29, and other IP Address CIDR Network References
Which subnet does the host 172.21.5.147/23 belong to? - Quora