Cisco: Markings in the routing table

Code Meaning
L Local - IP address directly assigned to the router interface.
C Connected - Network directly connected to the router interface.
S Static - Static route manually configured by the administrator.
R RIP - Route learned using the RIP protocol.
D EIGRP - Route learned using the EIGRP protocol.
O OSPF - A route learned using the OSPF protocol.
B BGP - Route learned using the BGP protocol.
i IS-IS - Route learned using the IS-IS protocol.
E EGP - Route learned using the EGP protocol.
U Per-user static route - A static route assigned to a user.
o ODR - Route learned using On-Demand Routing.