Hafslund Telekom AS has been reorganized and split into Infiber AS and Kvantel AS.
Infiber AS was acquired by PE-fund EQT in 2011, and is now a part of Broadnet AS.
Kvantel AS was acquired by Venture fund Energy Future Invest.
See:
http://www.linkedin.com/company/broadnet
http://www.linkedin.com/company/kvantel-as