/16 Subnet Mask: 255.255.0.0

Answer
255.255.0.0 · 65,534 usable hosts

A /16 network uses 16 bits for the network and 16 for hosts, giving 65,536 addresses and 65,534 usable hosts. It is typically used for large campus or enterprise networks.

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    /16 at a glance

    PropertyValue
    Subnet mask255.255.0.0
    Wildcard mask0.0.255.255
    Total addresses65,536
    Usable hosts65,534
    Size relative to /24256 × /24

    Example: 10.0.0.0/16

    FieldAddress
    Network10.0.0.0
    First host10.0.0.1
    Last host10.0.255.254
    Broadcast10.0.255.255

    Frequently asked questions

    How many hosts are in a /16?

    65,534 usable hosts out of 65,536 addresses.

    What is the wildcard mask for /16?

    0.0.255.255, the inverse of 255.255.0.0.

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