EXHIBIT 21 SUBSIDIARIES Direct or Indirect Percentage Owned - - - - - - - - - - - - - - - - - - - - - - - - - - - Cybernet Internet Dienstleistungen AG Germany Direct 100% Vianet EDV Dienstleistungs GmbH Austria Direct 100% Eclipse s.p.a. Italy Indirect 66% Cybernet Internet Beteiligungs GmbH Germany Indirect 100% Open:Net Internet Solutions GmbH Germany Indirect 100% Cybernet E-Commerce GmbH & Co. KG Limited Partnership Germany Indirect 100% SunWeb Internet Services AG Switzerland Direct 51% Flashnet, S.p.A. Direct 100% Italy