Router_A#show ip bgp neighbors 172.16.0.2 advertised-routes
BGP table version is 3, local router ID is 20.20.20.1
Status codes: s suppressed, d damped, h history, * valid, > best, i - internal
Origin codes: i - IGP, e - EGP, ? - incomplete
Network Next Hop Metric LocPrf Weight Path
*> 20.20.20.0/24 0.0.0.0 0 32768 i