[PAR] [TLE] KPN [SEP] KPN (in full Koninklijke KPN N.V., also Royal KPN N.V.) is a Dutch landline and mobile telecommunications company.  KPN started as a public telecommunications company and is based in The Hague, Netherlands. [PAR] [TLE] Base (mobile telephony provider) [SEP] BASE is the third largest of Belgium's three mobile telecommunications operators.  It is a subsidiary of Telenet.  It competes with Proximus and Orange Belgium.  It was previously owned by KPN and sold to Telenet in 2015.
[PAR] [TLE] KPN [ SEP ] KPN ( in full Koninklijke KPN N.V. , also Royal KPN N.V. ) is a Dutch landline and mobile telecommunications company . KPN started as a public telecommunications company and is based in The Hague , Netherlands . [PAR] [TLE] Base ( mobile telephony provider ) [ SEP ] BASE is the third largest of Belgium 's three mobile telecommunications operators . It is a subsidiary of Telenet . It competes with Proximus and Orange Belgium . It was previously owned by KPN and sold to Telenet in 2015 .
Which Belgium telecommunications operator was previously owned a telecommunications company based in The Hague?
Which Belgium telecommunications operator was previously owned a telecommunications company based in The Hague ?
BASE
BASE