You need to use source specific multicast, which addressing should you use ?
A.
224.0.0.0/8
B.
232.0.0.0/8
C.
248.0.0.0/8
D.
254.0.0.0/8
Explanation:
The 232.0.0.0/8 (IPv4) and FF3x::/32 (IPv6) block is reserved for use by source-specific multicast.
https://en.wikipedia.org/wiki/Multicast_address