Hibernia Networks

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Hibernia Networks
Industry Telecommunications
Successor GTT Communications
Headquarters McLean, Virginia, United States
Area served
Products Telecommunications, submarine communications cable
Website gtt.net

Hibernia Networks, alternately known as Hibernia Atlantic, was a privately held, US-owned provider of telecommunication services. It operated global network routes on self-healing rings in North America, Europe and Asia including submarine communications cable systems in the North Atlantic Ocean which connected Canada, the United States, the Republic of Ireland, the United Kingdom and mainland Europe. Hibernia managed cable landing stations in Dublin, Republic of Ireland; Coleraine, Northern Ireland; Southport, England; Halifax, Canada; Lynn, USA.

Hibernia's network provided service, from 2.5 Gbit/s to 100 Gbit/s[1] wavelengths and Ethernet from 10 Mbit/s to 100 Gbit/s. It also provided traditional SONET/SDH services.

The company is owned and operated by GTT Communications, Inc.. It was previously a subsidiary of Columbia Ventures Corporation (CVC) and owned by both CVC and Constellation Ventures Partners.


Hibernia Networks' transatlantic cable system was originally built by Tyco Submarine Systems for 360networks (360atlantic) in 2000 for $962M and placed in receivership in 2001, purchased in 2003 and began carrying traffic in 2005.

In December 2009, Hibernia Networks acquired managed network services company MediaXstream.[2]

In August 2012, the company acquired the Media Connect assets from TeliaSonera International Carrier (TSIC), located in Europe and the US, and combined with the other media assets rebranded as Hibernia Networks. This made Hibernia Networks one of the largest DTM Video Transport Networks in the world.[3] The company operated in European and North American markets and transported content across its optical switching and dynamic transport mode network.

Hibernia Networks provided financial customers and the trading community low-latency routes to financial exchanges and data centers. On September 30, 2010, Hibernia announced plans for a new transatlantic cable, Project Express, to be built from the NY metro area to Slough west of London, with less than 60 ms of delay. This cable system targeted traders, and was planned to be the highest bit rate (8.8 terabits/second), lowest latency (59 ms) cable built across the Atlantic.[4]

In 2011, Hibernia announced its expansion into the Pacific Rim with network connectivity into Tokyo, Singapore and Hong Kong. [5]

In 2013, the company acquired Atrato IP Networks, a provider of IP and transit services.[6]

On January 9th, 2017, Hibernia was acquired for $USD590 million by telecommunications provider GTT Communications, Inc.[7]


360atlantic (Hibernia Atlantic)
GTT Communications, Inc..
Landing points
Design capacity 10.16 Tbit/s[8]
Technology Fiber Optic DWDM

The network is manned by dual network operations centers (NOCs) located in Lynn, Massachusetts, USA, Dublin, Republic of Ireland, Churu India and Pune India. There is a television/media operation center (TOC) in Baltimore, Maryland carrying media and broadcast traffic on both full-time and occasional use.

Network Map

The network has cable landing stations in:

  1. Herring Cove, Nova Scotia, Canada 44°33′41.2″N 63°33′40.1″W / 44.561444°N 63.561139°W / 44.561444; -63.561139
  2. Lynn, Essex County, Massachusetts, USA 42°27′33.8″N 70°57′38.2″W / 42.459389°N 70.960611°W / 42.459389; -70.960611
  3. Dublin, County Dublin, Republic of Ireland, Sutton (from Herring Cove)/Baldoyle (to Ainsdale Sands)53°24′40.1″N 6°12′58.4″W / 53.411139°N 6.216222°W / 53.411139; -6.216222
  4. Southport (Ainsdale Sands), Merseyside, England 53°37′38.5″N 2°59′4.7″W / 53.627361°N 2.984639°W / 53.627361; -2.984639

An additional landing point was established in Coleraine, County Londonderry (under Project Kelvin), Northern Ireland, United Kingdom.[9]

Current network locations include:

  1. New York City (multiple sites), US
  2. Albany, NY, US
  3. Weehawken, NJ, US
  4. Newark, NJ, US
  5. Secaucus, NJ, US
  6. White Plains, NY, US
  7. Stamford, CT, US
  8. Pittsburgh, PA, US
  9. Cleveland, OH, US
  10. Philadelphia, PA, US
  11. Buffalo, NY, US
  12. Boston, MA, US
  13. Ashburn, VA, US
  14. McLean, VA, US
  15. Richmond, VA, US
  16. Raleigh, NC, US
  17. Charlotte, NC, US
  18. Atlanta, GA, US
  19. Chicago, IL, US
  20. Montreal, Quebec, Canada
  21. Toronto, Ontario, Canada
  22. Dublin, Republic of Ireland
  23. Manchester, UK
  24. London, UK
  25. Reading, UK
  26. Slough, UK
  27. Southport CLS, UK
  28. Frankfurt, Germany
  29. Düsseldorf, Germany
  30. Mannheim, Germany
  31. Amsterdam, Netherlands
  32. Paris, France
  33. Strasbourg, France
  34. Brussels, Belgium
  35. Armagh, UK
  36. Ballymena, UK
  37. Belfast, UK
  38. Castleblayney, Republic of Ireland
  39. Coleraine CLS, UK
  40. Derry, UK
  41. Dublin, Ireland
  42. Letterkenny, Republic of Ireland
  43. Monaghan, Republic of Ireland
  44. Omagh, UK
  45. Portadown, UK
  46. Strabane, UK


  1. ^ Atrato Selects Hibernia Networks for Its First Ever Native 100 Gigabit Ethernet Deployment within Europe
  2. ^ "Media Services Company MediaXstream Rebranded as Hibernia Media". thewhir.com. 2010-04-08. Retrieved 2017-06-02. 
  3. ^ "Hibernia Atlantic unit takes over MediaConnect business from TeliaSonera International Carrier". globaltelecomsbusiness.com. 2012-08-31. Retrieved 2017-06-02. 
  4. ^ Williams, Christopher (September 11, 2011). "The $300m cable that will save traders milliseconds". The Daily Telegraph. London. 
  5. ^ "Hibernia Atlantic Takes GFN To Tokyo". telecomramblings.com. 2011-04-18. Retrieved 2017-06-02. 
  6. ^ "Hibernia Networks acquires Atrato IP Networks". lightwaveonline.com. 2013-09-03. Retrieved 2017-06-02. 
  7. ^ "GTT acquires Hibernia Networks for $590M, adds global fiber, low-latency routes to portfolio". fiercetelecom.com. 2016-11-10. Retrieved 2017-06-02. 
  8. ^ Light Reading Europe - Optical Networking - Hibernia Offers Cross-Atlantic 40G - Telecom News Wire
  9. ^ "Cable project 'will come to city'". BBC News. February 20, 2009. Retrieved May 4, 2010. 

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