A. 223.0.0.0 through 240.255.255.255
B. 244.0.0.0 through 239.255.255.266
C. 224.1.1.1 through 239.555.255.255
D. 224.0.0.0 through 239.255.255.255
Please do not use chat terms. Example: avoid using "grt" instead of "great".