[#LookupSubNet]
= LookupSubNet
:mrdocs:

Parse and resolve a specified subnet string into the appropriate internal representation.

== Synopsis

Declared in `<netbase.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:CSubNet.adoc[CSubNet]
LookupSubNet(std::string const& subnet_str);
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== Return Value

a CSubNet object (that may or may not be valid).

== Parameters

[cols="1,4"]
|===
| Name| Description
| *subnet_str* [in]
| A string representation of a subnet of the form `network address [ "/", ( CIDR‐style suffix | netmask ) ]` e.g. "2001:db8::/32", "192.0.2.0/255.255.255.0" or "8.8.8.8".
|===


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