[#NetGroupManager-GetMappedAS]
= xref:NetGroupManager.adoc[NetGroupManager]::GetMappedAS
:relfileprefix: ../
:mrdocs:

Get the autonomous system on the BGP path to address.

== Synopsis

Declared in `<netgroup.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
uint32_t
GetMappedAS(xref:CNetAddr.adoc[CNetAddr] const& address) const;
----

== Description

The ip‐>AS mapping depends on how asmap is constructed.

== Return Value

The autonomous system number, or 0 when no asmap is used or the address is unmapped.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *address*
| The address to look up.
|===


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