The IP address space is divided into a 32x32 matrix based on the 16 first bits of the IP source address.
That is, it counts the number of packets based on IP source
address. The x- and y-axis identifies a group of IP addresses and the z-axis
shows the observed number of packets.
The IP address space is divided into a 32x32 matrix based
on the 16 first bits of the IP source address.