Blog ad network NetShelter Technology Media raised $15 million in its latest funding round, and it earmarked the money for international expansion, paidContent reported.

CEO Peyman Nilforoush told paidContent the company’s revenue rose 75 percent last year on the back of adding sites to the network and boosting sales on existing sites. NetShelter sites totaled more than 133 million unique visitors in August, according to comScore.