Our Network

Number One for Local and Global Connectivity

BT believes that the network is the bedrock of a modern organisation, not just for the communication services that are integral to an “always-on” business, but for the way IT is increasingly delivered and consumed from the cloud network connectivity is more important than ever.

We pride ourselves on using the most innovative and sophisticated technology, fuelled by continual investment that drives faster speeds and unlimited scalability. Our fibre optic network, submarine cables, wireless, radio access and trunk technologies provide unique operating infrastructure that offers complete resilience and the best possible performance.

The quality of BT networks is further endorsed by our partnership with market-leading vendors like Cisco and Alcatel, facilitating end-to-end solutions, from Wide Area Networks, that take our customers around the globe with the best possible experience.

Facts and Figures

Km of fibre network cable in Ireland
Data centres globally
Cities with BT access points
Countries covered by our IP Connect service
Next-gen Ethernet points-of-presence
Countries covered by hybrid VPNs

National fibre backbone

The 4,300km BT fibre network reaches all commercial centres in Ireland and is globally interconnected by diverse land and sea routes.

Carrier class Ethernet

We have 40 next-generation Ethernet points-of-presence around the country, serving corporate as well as wholesale customers with Wide Area Network services.

Global connectivity

International access from and to Ireland provides the highest speeds and resilience to BT global cloud, voice and connectivity services, and to INEX, the London Internet Exchange. Our DWDM (Dense Wave Division Multiplexing) subsea links offer huge capacity and complete resilience to national and international traffic, linking customers directly to 120 countries and 250 cities worldwide.

Global reach

We provide internet access points in 1,250 cities worldwide; our IP Connect services are available in 198 countries, hybrid VPNs in 177. In all these territories, we have a wide and growing range of competitive access facilities and multiple access supplier partnerships to facilitate right-priced connectivity.


Having deployed the first 100Gbps Ethernet core network in Ireland, and following successful trials between Dublin and Belfast, BT Ireland is launching a full commercial deployment of 200Gbps and 400Gbps speeds on our core transmission network.

Wholesale services

From Local Loop Unbundling (LLU) in almost 100 exchanges to our NGA Superfast broadband services that offer great value backhaul solutions, we provide wholesale services that give our customers a powerful alternative to incumbent providers. We are Europe’s largest telecoms services wholesaler by revenue and market share, and the second largest fixed line wholesaler in the Republic of Ireland, serving over 50 operators.

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