问题：

[多选] Which two statements about VPNv4 address are true？ （）

A . The VPNv4 address is 128 bits long with a 128-bit long subnet mask
B . The VPNv4 address consists of an RD and an IPv4 address
C . The VPNv4 address is 96 bits long with a 64-bit long subnet mask
D . The VPNv4 address is 128 bits long with a 64-bit long subnet mask
E . The VPNv4 address consists of an RT and an IPv4 address
F . The VPNv4 address is 96 bits long with a 32-bit long subnet mask