FRANKFURT/MONTABAUR (dpa-AFX) - Internet services provider and telecoms group United Internet is considering launching an initial public offering of its hosting subsidiary Ionos next week, according to sources. The company has held early talks with fund managers to get a feel for demand, news agency Bloomberg reported Thursday evening, citing people in the know. As the agency had reported in December, the Montabaur-based company is hoping for an Ionos valuation of up to five billion euros. The financial investor Warburg Pincus is also involved in Ionos. Among other things, Ionos offers website hosting, cloud storage and web servers. United Internet did not want to comment on the information to Bloomberg./men/bek