diff --git a/eng/versioning.targets b/eng/versioning.targets
index 46bf2743bbd82f..baa004f690cc11 100644
--- a/eng/versioning.targets
+++ b/eng/versioning.targets
@@ -81,6 +81,7 @@
 
   <!-- Add target platforms into MSBuild SupportedPlatform list -->
   <ItemGroup Condition="'$(IsTestProject)' != 'true'">
+    <SupportedPlatform Condition="'$(TargetPlatformIdentifier)' == 'openbsd'" Include="OpenBSD" />
     <SupportedPlatform Condition="'$(TargetPlatformIdentifier)' == 'illumos'" Include="illumos" />
     <SupportedPlatform Condition="'$(TargetPlatformIdentifier)' == 'solaris'" Include="Solaris" />
     <SupportedPlatform Condition="'$(TargetPlatformIdentifier)' == 'haiku'" Include="Haiku" />
diff --git a/src/libraries/System.Net.NetworkInformation/src/System.Net.NetworkInformation.csproj b/src/libraries/System.Net.NetworkInformation/src/System.Net.NetworkInformation.csproj
index f4eb734ae8cf06..ff2ebadf016454 100644
--- a/src/libraries/System.Net.NetworkInformation/src/System.Net.NetworkInformation.csproj
+++ b/src/libraries/System.Net.NetworkInformation/src/System.Net.NetworkInformation.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>$(NetCoreAppCurrent)-windows;$(NetCoreAppCurrent)-linux;$(NetCoreAppCurrent)-android;$(NetCoreAppCurrent)-osx;$(NetCoreAppCurrent)-ios;$(NetCoreAppCurrent)-tvos;$(NetCoreAppCurrent)-freebsd;$(NetCoreAppCurrent)-illumos;$(NetCoreAppCurrent)-solaris;$(NetCoreAppCurrent)-haiku;$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFrameworks>$(NetCoreAppCurrent)-windows;$(NetCoreAppCurrent)-linux;$(NetCoreAppCurrent)-android;$(NetCoreAppCurrent)-osx;$(NetCoreAppCurrent)-ios;$(NetCoreAppCurrent)-tvos;$(NetCoreAppCurrent)-freebsd;$(NetCoreAppCurrent)-openbsd;$(NetCoreAppCurrent)-illumos;$(NetCoreAppCurrent)-solaris;$(NetCoreAppCurrent)-haiku;$(NetCoreAppCurrent)</TargetFrameworks>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <UseCompilerGeneratedDocXmlFile>false</UseCompilerGeneratedDocXmlFile>
   </PropertyGroup>
@@ -166,8 +166,8 @@
     <Compile Include="System\Net\NetworkInformation\NetworkAddressChange.Android.cs" />
   </ItemGroup>
 
-  <!-- OSX -->
-  <ItemGroup Condition="'$(TargetPlatformIdentifier)' == 'osx' or '$(TargetPlatformIdentifier)' == 'ios' or '$(TargetPlatformIdentifier)' == 'tvos' or '$(TargetPlatformIdentifier)' == 'freebsd'">
+  <!-- OSX/FreeBSD/OpenBSD -->
+  <ItemGroup Condition="'$(TargetPlatformIdentifier)' == 'osx' or '$(TargetPlatformIdentifier)' == 'ios' or '$(TargetPlatformIdentifier)' == 'tvos' or '$(TargetPlatformIdentifier)' == 'freebsd' or '$(TargetPlatformIdentifier)' == 'openbsd'">
     <Compile Include="System\Net\NetworkInformation\IPGlobalPropertiesPal.Bsd.cs" />
     <Compile Include="System\Net\NetworkInformation\NetworkInterfacePal.Bsd.cs" />
     <Compile Include="System\Net\NetworkInformation\BsdIcmpV4Statistics.cs" />
@@ -201,7 +201,7 @@
     <Compile Include="$(CommonPath)Interop\FreeBSD\Interop.Libraries.cs" Link="Common\Interop\FreeBSD\Interop.Libraries.cs" />
   </ItemGroup>
 
-  <ItemGroup Condition="'$(TargetPlatformIdentifier)' == 'linux' or '$(TargetPlatformIdentifier)' == 'freebsd'">
+  <ItemGroup Condition="'$(TargetPlatformIdentifier)' == 'linux' or '$(TargetPlatformIdentifier)' == 'freebsd' or '$(TargetPlatformIdentifier)' == 'openbsd'">
     <Compile Include="System\Net\NetworkInformation\NetworkAddressChange.Unix.cs" />
     <Compile Include="$(CommonPath)Interop\Unix\System.Native\Interop.NetworkChange.cs" Link="Common\Interop\Unix\System.Native\Interop.NetworkChange.cs" />
   </ItemGroup>