Revenue from advertising and media at IAC, parent of Ask.com and more, rose 43 percent in the first quarter of 2007, reports ClickZ.

IAC, which owns Ask, Citysearch and Match.com among others jumped to $168.1 million, up from $117.6 million in the same period of 2006.

Overall revenue hit $1.6 billion. Part of that growth was due to a relatively light period of marketing for Ask.com. The search engine just launched a new campaign aiming at increasing market share and the cost of that push could eat into revenues for the rest of the year.

IAC is looking at running all of its online ad buys through a single platform to increase efficiencies. CEO Barry Diller was vague as to the future of a partnership in which Google provides paid search listings within Ask.com search results. The partnership agreement expires this summer.

Ask.com recently announced the creation of its own contextual ad network that would compete against Google.