Connaitre mon adresse IP

uses Winsock;

function getIPs: TStrings;
type
TaPInAddr = Array[0..10] of PInAddr;
PaPInAddr = ^TaPInAddr;

var
phe: PHostEnt;
pptr: PaPInAddr;
Buffer: Array[0..63] of Char;
I: Integer; GInitData: TWSAData;

begin
WSAStartup($101, GInitData);
Result:=TStringList.Create;
Result.Clear;
GetHostName(Buffer, SizeOf(Buffer));
phe := GetHostByName(buffer);
if phe = nil then
begin
Exit;
end;
pPtr := PaPInAddr(phe^.h_addr_list);
I := 0;
while pPtr^[I] <> nil do
begin
Result.Add(inet_ntoa(pptr^[I]^));
Inc(I);
end;
WSACleanup;
end;

procedure TForm1.Button1Click(Sender: TObject);
begin
memo1.Lines:=GetIps;
end;