Redmond Magazine

IPv4 Free Pool of Addresses Hits Zero for U.S. and Canada

The American Registry for Internet Numbers (ARIN) announced today that its free pool of IPv4 addresses has hit the "zero" level. The announcement signifies greater difficulty for organizations trying ...
Ars Technica

With the Americas running out of IPv4, it’s official: The Internet is full

In April, ARIN, the (North) American Registry for Internet Numbers, announced that it had reached “phase 4” of its IPv4 countdown plan, with fewer than 17 million IPv4 addresses remaining. There is no ...
Network World

I Remember When I Used a Public IPv4 Address

I don’t know about you, but it has been a long time since my laptop was assigned a public IPv4 address. Most of the time my laptop has a private RFC1918 IPv4 address. Rarely does my computer have a ...
EDN

IPv4 and IPv6 Addressing – Part 2: The network/host boundary and the IPv4 address

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 ...