The RIP route is not used because OSPF has a lower administrative distance.
The administrative distance of a routing protocol is a measure of its trustworthiness, where a lower number indicates a more reliable protocol. The administrative distance of OSPF is lower than the administrative distance of RIP, so when a network is advertised by both RIP and OSPF, the OSPF route is preferred, and the RIP route is not used in the routing table. This is why the network appears in the routing table flagged as an OSPF route.
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