R_BGP_3#show ip route sum
IP routing table name is Default-IP-Routing-Table(0)
Route Source    Networks    Subnets     Overhead    Memory (bytes)
connected       0           3           192         480
static          2           0           128         320
bgp 13287       133604      161529      18888512    47233520
  External: 295127 Internal: 6 Local: 0
internal        3028                                3573040
Total           136634      161532      18888832    50807360