New Delhi: Elara Technologies, which owns three realty portals Housing.com, PropTiger and Makaan, Monday said it has acquired home rental brokerage platform FastFox.com at a valuation of nearly Rs 100 crore as part of its growth plans. With this acquisition, Singapore-based Elara, which is backed by News Corp and Softbank, has entered the online-to-offline home rentals space that has a market size of over Rs 20,000 crore.