A mobile ad hoc network is a collection of wireless mobile nodes dynamically forming a temporary network without the use of any existing network infrastructure. A number of routing protocols like Destination Sequenced Distance Vector routing (DSDV), Dynamic Source Routing (DSR) and Ad hoc On-demand Distance Vector routing (AODV) have been implemented. This paper presents the comparative performance analysis of three routing protocols for mobile ad hoc networks by analyzing them through various protocol properties. A network simulator has been used for performance evaluation of Routing protocols in this paper.