Mantis#2032. Thank you kindly, Tyre for a patch that:

This small patch provides the required changes to populate 
the columns agentIP and agentPort in table "agents"
Tested with mysql (but should work for all supported db engines)

1 files changed, 1 insertions, 0 deletions

diff --git a/OpenSim/Framework/Servers/BaseHttpServer.cs b/OpenSim/Framework/Servers/BaseHttpServer.cs
index c3bd085..23c28e6 100644
--- a/OpenSim/Framework/Servers/BaseHttpServer.cs
+++ b/OpenSim/Framework/Servers/BaseHttpServer.cs
@@ -380,6 +380,7 @@ namespace OpenSim.Framework.Servers
                 string methodName = xmlRprcRequest.MethodName;
                 if (methodName != null)
                 {
+                    xmlRprcRequest.Params.Add(request.RemoteIPEndPoint);
                     XmlRpcResponse xmlRpcResponse;
 
                     XmlRpcMethod method;