After more than 30 years, we will part with our logo on 1 October 2022. It will be superseded by a visual umbrella brand for ACOnet, ACONET Association and ACOmarket GmbH. In the course of this, we are also renewing all our forms and documents, including the "ACOnet Acceptable Use Policy" and the "Principles for Participation in ACOnet".


Like all our Annual Reports, the latest issue is freely available as a PDF. We will gladly send printed copies free of charge upon request.


In order to further improve the redundancy of the ACOnet backbone, a backup upstream (20 Gbps) via next layer has been established in Salzburg. Data traffic is only routed via this line if the international uplinks in Vienna should fail. Traffic can be controlled via BGP Communities.


As part of the platform renewal of the Vienna Internet eXchange, which was successfully completed on 18 May 2021, the bandwidth of the ACOnet connection to the VIX has also been increased to 2x100 Gbps.


Welcome to ACOnet!

ACOnet is the Austrian National Research and Education Network (NREN) for science, research, education, and culture. It is operated by the Vienna University Computer Center, in co-operation with other universities in Austria.

ACOnet provides a nation-wide fibre optic backbone with high-performance access to international academic networks via GÉANT, as well as to the Internet. Furthermore, ACOnet offers its members various target-group-specific services to support research projects and communities.

ACOnet and COVID-19:

The ACOnet team is working from the home office again since 19 November 2021. Our availability has not changed, however. You can reach us Monday to Friday, 9:00 to 17:00, CEST; preferably by e-mail but also by phone (see contact information). In the case of an emergency you may also call us outside our office hours and leave a message. If necessary, we will call back swiftly.

Data traffic via GÉANT Peering Service now "unlimited"

Since 28 September 2022, we also classify data packets from the GÉANT Peering Service as noncommercial data traffic, further improving the price/performance ratio for ACOnet participating organizations:

As a result of this change, most hyperscaler cloud traffic is now also in the unlimited traffic class, and the contractually subscribed ACOnet bandwidth only applies to traffic obtained via commercial transit routes (Hurricane Electric, next layer).


ACOnet Annual Report 2021

Our Annual Report 2021 offers an overview (in German) of infrastructural improvements and new services, reviews of last year's events, and informative guest contributions on projects of ACOnet participants. We wish you an interesting read! 

Some topics:

  • ACOnet Next Generation
  • VIX Next Generation
  • HPC in Österreich
  • AQUnet: Startschuss für ein "Quanten-Internet"


net:art coordination center

© Peter Brand

Since 2013, ACOnet is engaged in the area of distributed performances / telematic music in real-time over high performance data networks. After three internationally successful multisite performances under the title net:art - near in the distance, the next step was to create the comprehensive website - a platform that promotes interactive live streaming for e-learning and productions of the performing arts. The website offers an introduction to relevant technologies, documentations (videos, photos, info) of previous shows, concepts for new collaborations and links to international cooperation partners.