• National Fiber Optics Backbone: (above 4,000 km)

• Presence in 45 cities

• DWDM Network 10G/100G/200G

• MPLS Network 100G based

• 20 000 km Access FO Network

Contact us

A1 is a leader on the Bulgarian market and part of a global structure

A1 Bulgaria, part of A1 Group on European level and part of América Móvil on Global.

A1 provides end-to-end telco & ICT solutions to its customers and is well known as a Trusted Solutions provider. Our Goal is not only to be a trusted provider but also a long-term partner.

We take the lead in fibre network coverage across the country due to our strategic expansion projects and acquisition of local operators. We also maintain fiber optic border crossings with all neighboring countries: Turkey, Serbia, North Macedonia, Romania, Greece. A1 is has a primary access to Caucasus Cable System via the Black Sea.

A1 offers 24/7 monitoring and professional maintenance and a guaranteed service availability. Additionally, we offer redundancy via alternative fiber routes.
Express Instalation



  • over DWDM: SDH (STM-1,4,16,64), SONET, Ethernet (10G, 40G,100G), OTN:OTU1/2/2e/4, SAN (FC 1G - FC 16G)
  • Local Loops
  • IP – Global and BG IP transit or Internet Access
  • Layer 3 Managed Services


  • Co-location services
  • Infrastructure as a Service (IaaS)
  • City and intercity Dark Fibre (IRU/Lease)


  • IP Global Transit - 70Gbps+
  • Local Exchange - 250Gbps+
  • • Local CDN Google, Facebook, Amazon - 350Gbps+