Subnet Mask Calculator
Number of hosts required:
25
Subnet Mask:
255.255.255.224
11111111.11111111.11111111.11100000
Subnet Mask (Prefix):
/27
Number of host bits:
5
Number of usable hosts or IPs provided by /27:
30 (25 - 2)
Link:
* Concepts of IP addressing, subnetting, VLSM (Variable Length Subnet Mask), route summarization, IPv6, EUI-64 (Extended Unique Identifier-64) and relevant exam tips, are covered in our CCNA (Cisco Certified Network Associate) course .