Why we do not see route for 2.2.2.2 on CE-2 Router?  

We have this route on ISP-2 router

ISP-2#show ip bgp 
BGP table version is 7, local router ID is 3.3.3.3
Status codes: s suppressed, d damped, h history, * valid, > best, i - internal, 
              r RIB-failure, S Stale, m multipath, b backup-path, f RT-Filter, 
              x best-external, a additional-path, c RIB-compressed, 
Origin codes: i - IGP, e - EGP, ? - incomplete
RPKI validation codes: V valid, I invalid, N Not found

     Network          Next Hop            Metric LocPrf Weight Path
 *   1.1.1.1/32       10.0.23.1                              0 200 100 i
 *>                   10.0.13.0                0             0 100 i
 *   2.2.2.2/32       10.0.13.0                              0 100 200 i
 *>                   10.0.23.1                0             0 200 i
 *>  3.3.3.3/32       0.0.0.0                  0         32768 i
 r>  172.16.0.0/30    172.16.0.2               0             0 200 ?
ISP-2#

CE-2#show ip bgp 
BGP table version is 4, local router ID is 172.16.0.2
Status codes: s suppressed, d damped, h history, * valid, > best, i - internal, 
              r RIB-failure, S Stale, m multipath, b backup-path, f RT-Filter, 
              x best-external, a additional-path, c RIB-compressed, 
Origin codes: i - IGP, e - EGP, ? - incomplete
RPKI validation codes: V valid, I invalid, N Not found

     Network          Next Hop            Metric LocPrf Weight Path
 *>  1.1.1.1/32       172.16.0.1                             0 300 100 i
 *>  3.3.3.3/32       172.16.0.1               0             0 300 i
 *>  172.16.0.0/30    0.0.0.0                  0         32768 ?
CE-2#