S    22.0.0.0/8 [1/0] via 20.0.0.1 
O E2 30.0.0.0/8 [110/20] via 192.1.1.1, 00:00:06, VLAN 
1 
R    40.0.0.0/8 [120/20] via 192.1.1.2, 00:00:23, VLAN 1 
B    50.0.0.0/8 [120/0] via 192.1.1.3, 00:00:41 
C    192.1.1.0/24 is directly connected, VLAN 1 
C    192.1.1.254/32 is local host. 
Route type, which may be: 
E1:  OSPF  external  route 
type 1 
E2:  OSPF  external  route 
type 2 
N1:  OSPF  NSSA  external 
type 1 
N2:  OSPF  NSSA  external 
type 2 
IA: OSPF area internal route 
SU: IS-IS summary route 
L1: IS-IS level-1 route 
L2: IS-IS level-2 route 
ia: IS-IS area internal route