The license of this source code allows for both reading and
discussing.

A copy of the altivore source code was installed as

/usr/local/share/examples/altivore/altivore.c

Compiling, or any other use, should be conducted after reading of
the source's license agreement. Read the source code, it contains
a copy of the license agreement.

Or, after contacting the developer Network ICE Corporation
http://www.networkice.com/

If you are allowed to compile and use it, you should find the
following command useful:

cc -o altivore altivore.c -lpcap -Ipcap