IP Origen en cabecera de un mail de hotmail

Esta es la cabecera avanzada de un mail de hotmail, veo muchas IPs, ¿cual
corresponde realmente a la IP del emisor?

Gracias
-
MIME-Version: 1.0
Received: from pop.eit.es ([194.224.196.116]) by
bay0-mc1-f13.bay0.hotmail.com with Microsoft SMTPSVC(6.0.3790.2444); Fri, 4
Aug 2006 02:21:04 -0700
Received: from POSTSCAN by pop.eit.es (Merak 7.6.4) with ESMTP id HEU82395
for <awla@hotmail.com>; Fri, 04 Aug 2006 11:20:42 +0200
Received: from smtp.eit.es by POSTSCAN (Merak 8.0.3) with ESMTP id CEG04387
for <awla@hotmail.com>; Fri, 04 Aug 2006 11:20:41 +0200
Received: from mmedinaxp (190.Red-80-24-148.staticIP.rima-tde.net
[80.24.148.190])by smtp.eit.es (8.12.9+Sun/8.12.9) with SMTP id
k749KdOE028026for <awla@hotmail.com>; Fri, 4 Aug 2006 11:20:40 +0200 (MEST)
X-Message-Info: LsUYwwHHNt2pxmmN04mJ6V4Rrr2Jqf6ya+69ZAn6rZkX-MSMail-Priority: Normal
X-Mailer: Microsoft Outlook Express 6.00.2900.2180
Disposition-Notification-To: "O.C. Mesa" <mxx@fertiberia.es>
X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180
Return-Path: mxx@fertiberia.es
X-OriginalArrivalTime: 04 Aug 2006 09:21:04.0401 (UTC)
FILETIME=[4F457010:01C6B7A7]