Which of the following IP addresses will respond to the ping and hence will likely be responsible for the the intrusion?

While examining a log report you find out that an intrusion has been attempted by a machine whose IP address is displayed as 0xde.0xad.0xbe.0xef. It looks to you like a hexadecimal number. You perform a ping 0xde.0xad.0xbe.0xef. Which of the following IP addresses will respond to the ping and hence will likely be responsible for the the intrusion?

A.
192.10.25.9

B.
10.0.3.4

C.
203.20.4.5

D.
222.273.290.239