131.1.0.0 131.1.255.255 Ing. C. Olivetti & C., S.P.A. 131.99.0.0 131.99.255.255 Kontron Elektronik 131.102.0.0 131.102.255.255 Schweizer-Verwaltungsnetz 131.111.0.0 131.111.255.255 University of Cambridge 131.114.0.0 131.114.255.255 CNR - Istituto CNUCE 131.115.0.0 131.115.255.255 Swedish Telecom 131.116.0.0 131.116.255.255 Swedish Telecom / TIPnet 131.117.0.0 131.117.128.255 Municipality of Zuerich 131.130.0.0 131.130.255.255 Vienna University 131.152.0.0 131.152.255.255 University of Basel 131.154.0.0 131.154.255.255 INFN-CNAF 131.155.0.0 131.155.255.255 Eindhoven University of Technology 131.159.0.0 131.159.255.255 Institut fuer Informatik der TU Muenchen 131.160.0.0 131.160.255.255 Oy L M Ericsson Ab 131.164.0.0 131.164.255.255 Danish Network 131.165.0.0 131.165.255.255 Danish Network 131.166.0.0 131.166.255.255 Danish Network 131.169.0.0 131.169.255.255 Deutsches Elektronen Synchrotron 131.173.0.0 131.173.255.255 University of Osnabrueck 131.174.0.0 131.174.255.255 University of Nijmegen 131.175.0.0 131.175.255.255 CILEA 131.176.0.0 131.176.255.255 European Space Operations Center 131.177.0.0 131.177.255.255 Sonera Corporation 131.180.0.0 131.180.255.255 Technische Universiteit Delft 131.188.0.0 131.188.255.255 University Erlangen Nuremberg 131.196.0.0 131.196.255.255 Centre National Universitaire Sud de Calcul 131.205.0.0 131.205.255.255 Stockholm Lans Landsting, HSN/Gemi 131.207.0.0 131.207.255.255 Finnish State Computer Center 131.211.0.0 131.211.255.255 Universiteit Utrecht 131.220.0.0 131.220.255.255 University of Bonn 131.224.0.0 131.224.255.255 National Institute of Public Health and Environmental Protection 131.227.0.0 131.227.255.255 Surrey University 131.228.0.0 131.228.255.255 Nokia Head Office 131.231.0.0 131.231.255.255 Loughborough University of Technology 131.234.0.0 131.234.255.255 University of Paderborn 131.237.0.0 131.237.255.255 Rijkswaterstaat 131.246.0.0 131.246.255.255 University Kaiserslautern 131.251.0.0 131.251.255.255 University of Wales College of Cardiff 131.254.0.0 131.254.255.255 IRISA