The BASE Web Edition Rund-um-Flat brand, founded in 2012 (Netherlands), from 161 sister brands and 3453 competing brands. The BASE Web Edition Rund-um-Flat brand is owned by ROYAL KPN N.V., a company listed in Amsterdam. Its International Securities Identification Number (ISIN) is NL0000009082. BASE Web Edition Rund-um-Flat belongs to the Telecommunication Services business sector.