Benefit from the performance and diversity of our network

You wish to create a new POP in a town or serve otherwise an area already in production. Are you looking for a a neutral point of contact, present throughout the country national for offer your customers a network alternative which combines speed, performance and diversity. You also need a reactive operator, offering fast GTR and providing ultra high-speed broadband at the heart of the regions. 

Why choose Terralpha?

Terralpha offers its sovereign networkultra-broadband and very low latency to transport your data over short or long distances to the centre of the territories.


Knowledge of the requirements of the operator's job. Commercial contact for the rail network 


Traffic routing exclusively on SNCF network fibres using equipment of European origin


SNCF Réseau subsidiary with strong ethical values 

Operator-class service quality thanks to the SNCF maintenance network available throughout France 


Network secured by GMPLS, by 24/7 supervision of active and passive equipment (active OTDR) and by railway policing. Encryption of sensitive data right from the infrastructure

Our solution improves the robustness of operators' networks teelécom thanks to the diversity of its lightpaths drom France's largest DataCenters to the towns and cities of the world poorly served by the main data transport players. 

They trust us

BSO guarantees unrivalled data transport speed for its customers thanks to Terralpha's record latencies


Our offers

Terrawave Ultra Broadband

Private network on wavelengths
10 to 400 Gb/s

Digital tiles

Landscaped areas which allow the installation of DataCenters on railway rights-of-way 

Our customers

Hosting companies


Public sector


Terralpha, an SNCF Réseau subsidiary, is deploying
secure, ultra-high-speed, low-latency presence
throughout France.