To view a VRF, simply enter its RT;
user@host ~ $ nipap vrf view 123:456
-- VRF
ID : 10
RT : 123:456
Name : test-vrf
Description : this is my test VRF
-- Extra Attributes
-- Tags
bar
foo
test
-- Statistics
IPv4 prefixes : 0
IPv4 addresses Used / Free : 0 / 0 (0.00% of 0)
IPv6 prefixes : 0
IPv6 addresses Used / Free : 0.0000e+00 / 0.0000e+00 (0.00% of 0.0000e+00)
user@host ~ $