IPv4laden
IPv4laden is a term that emerged within the context of the dwindling availability of IPv4 addresses. It refers to the phenomenon of networks or organizations that hold a significant surplus of unused IPv4 addresses, often acquired through various means over the years. These "IPv4laden" entities possess addresses that are not actively being used for communication but are still part of their allocated block.
The concept became more prominent as the Internet grew and the exhaustion of the IPv4 address space
IPv4laden entities have been a subject of interest for the Internet Assigned Numbers Authority (IANA) and Regional