Customer Portal

Search results


Your Choices Regarding Cookies on this Site

Welcome to Cookies are important to the proper functioning of a site. To improve your experience, we use cookies collect statistics to optimize site functionality. Click Agree and proceed to accept cookies and go directly to the site or click on Learn more about our Cookie Policy and Privacy Policy to see details first.

Balkan expansion: RETN incorporates new long-haul DWDM route Budapest-Belgrade-Sofia

Oct 20, 2022#Company news

News overview

Balkan expansion: RETN incorporates new long-haul DWDM route Budapest – Belgrade - Sofia

International network service provider RETN continues its expansion in the Balkan region, strengthening its backbone network with a new long-haul DWDM route that connects Budapest, Belgrade, and Sofia. The new fibre route, which spans a total distance of 932km and uses the latest generation of Infinera FlexILS line system, extends RETN’s layer 1 capacity services to customers in the region and provides them with access to the wider RETN DWDM network as well as greatly increased capacity for the RETN IP/MPLS network. 

In addition to building the new route, RETN has also upgraded its IP/MPLS equipment at Belgrade and Sofia with Juniper’s MX10008k, reflecting RETN’s view on the importance and bandwidth requirements in these cities. The upgrade results in quicker delivery times for IP/MPLS services and bandwidths ranging from 1G to N*100G.

Olena Lutsenko, Director at RETN Black Sea Region: “We are proud to announce that Belgrade and Sofia-based customers can now enjoy full suite of RETN services. The new route Budapest – Belgrade – Sofia allows RETN to provide existing and new customers with any capacity they might need. The new route provides long-distance circuits, connecting Sofia to any OnNet location with delivery within days.” 

The completion of the new DWDM route marks another step in RETN’s strategic expansion across the Balkan, with even more investments to come in 2023. 

Technical details:

Budapest Dataplex - Belgrade - Sofia Telepoint


About RETN

RETN is one of the fastest growing independent Eurasian network providers, with unique resources to connect Europe and Asia. It offers a wide range of connectivity services, such as IP transit, Ethernet & VPN, Capacity, Remote peering to major IXPs, Colocation and Cloud Connect. RETN’s most distinctive feature is its ownership of an extensive, international fibre network. Encompassing more than 132,000km across approximately 865+ PoPs, it allows RETN to have maximum control of its physical network, which is running on leading equipment vendors such as Infinera, Juniper and Ciena.

RETN’s unique solution to connect Europe and Asia is built on its own homogenous DWDM and IP/MPLS Network Platform and widely branched land routes, passing through Western Europe, Eastern Europe and up to the border with China and further onwards into Southeast Asia. 

RETN provides telecommunication services throughout its Eurasian network with short lead times, industry leading uptimes, and multiple layers of redundancy for its 1500 customers.

For more information, visit

Press enquiries: