[#CSubNet-2constructor-02e9]
= xref:CSubNet.adoc[CSubNet]::CSubNet
:relfileprefix: ../
:mrdocs:

Construct an invalid subnet (empty, `Match()` always returns false).

== Synopsis

Declared in `<netaddress.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
CSubNet();
----


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