This is explanation is clear to everyone that already understands it and will be inexplicable to anyone that doesn't. Foremost, he should explain that ipv4 addr

This is explanation is clear to everyone that already understands it and will be inexplicable to anyone that doesn't. Foremost, he should explain that ipv4 addresses simply are 4 byte numbers and that www.xxx.yyy.zzz is just a human readable presentation. Then it is immedialy clear that the latter isn't necessarily the most common way to store the datum.