/27 Subnet Mask: 255.255.255.224

Answer
255.255.255.224 · 30 usable hosts

A /27 network uses 27 bits for the network and 5 for hosts, giving 32 addresses and 30 usable hosts. It is typically used for small VLANs of up to 30 devices.

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    /27 at a glance

    PropertyValue
    Subnet mask255.255.255.224
    Wildcard mask0.0.0.31
    Total addresses32
    Usable hosts30
    Size relative to /248 per /24

    Example: 192.168.1.0/27

    FieldAddress
    Network192.168.1.0
    First host192.168.1.1
    Last host192.168.1.30
    Broadcast192.168.1.31

    Frequently asked questions

    How many hosts are in a /27?

    30 usable hosts out of 32 addresses.

    What is the wildcard mask for /27?

    0.0.0.31, the inverse of 255.255.255.224.

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