We just saw that the mask determines where the boundary between the network and host portions of the IP address lies. This boundary is important: If it is set too far to the right, there are lots of ...

Many in the industry realize that as we migrate to IPv6 there will be a day when IPv4 is not needed anymore. However, that transition seems daunting and may take decades. In the meantime, ...

We’ve been hearing about the impending depletion of IPv4 addresses for years, but that day is finally upon us — the free supply of IPv4 numbers in North America will be completely gone within a month ...

In the early 1990s, internet engineers sounded the alarm: the pool of numeric addresses that identify every device online was not infinite. IPv4, the fourth version of the Internet Protocol, used ...

Users of Internet Protocol version 4 (IPv4) networks, beware man-in-the-middle attacks. That's because such networks can be exploited using capabilities built into IPv6, the next-generation standard ...

We knew the day when we ran out of IPv4 addresses was coming. Now, we're in the last days. The American Registry for Internet Numbers (ARIN), the nonprofit group that manages Internet addresses for ...