[#CNetAddr-IsRFC5737]
= xref:CNetAddr.adoc[CNetAddr]::IsRFC5737
:relfileprefix: ../
:mrdocs:

Whether this is an IPv4 documentation address (192&period;0&period;2&sol;24, 198&period;51&period;100&sol;24, 203&period;0&period;113&sol;24)&period;

== Synopsis

Declared in `&lt;netaddress&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
IsRFC5737() const;
----

== Return Value

True when the address is in an IPv4 documentation range&period;


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