The number of VRFs supported by the NE20 is related to the memory and can be controlled by the license. By default, the 256M memory supports 128 VRFs, and the 512M memory supports 255 VRFs. You can change the license and PAF file to a maximum of 1K.
The number of routes supported by each VRF on the NE20 is not limited. The number of routes depends on the memory size. The 256M memory supports 150,000 routes, and the 512M memory supports 300,000 routes.