<Tr> <Td> a. 0.0. 0 / 3 </Td> <Td> + 31.255. 255.255 </Td> <Td> 224.0. 0.0 </Td> <Td> 536,870,912 </Td> <Td> </Td> <Td> 32 A </Td> <Td> a = 0...(32n)... 224 </Td> <Td> </Td> </Tr> <Tr> <Td> a. 0.0. 0 / 2 </Td> <Td> + 63.255. 255.255 </Td> <Td> 192.0. 0.0 </Td> <Td> 1,073,741,824 </Td> <Td> </Td> <Td> 64 A </Td> <Td> a = 0, 64, 128, 192 </Td> <Td> </Td> </Tr> <Tr> <Td> a. 0.0. 0 / 1 </Td> <Td> + 127.255. 255.255 </Td> <Td> 128.0. 0.0 </Td> <Td> 2,147,483,648 </Td> <Td> </Td> <Td> 128 A </Td> <Td> a = 0, 128 </Td> <Td> </Td> </Tr> <Tr> <Td> 0.0. 0.0 / 0 </Td> <Td> + 255.255. 255.255 </Td> <Td> 0.0. 0.0 </Td> <Td> 4,294,967,296 </Td> <Td> </Td> <Td> 256 A </Td> <Td> </Td> <Td> </Td> </Tr>

Which of the following is a correct form of cidr notation