Comment by EE84M3i

IPv4 address utilization is incredibly low. For example, consider 44.0.0.0/8 - it's sitting around almost entirely unallocated. UCSD Caida uses it for their network telescope (pretending to use it for amateur radio) and won't give it back.

Just look at how dark it is: https://benjojo.co.uk/internet-2018.png (from https://blog.benjojo.co.uk/post/scan-ping-the-internet-hilbe...)

Discussion on r/amateurradio - https://www.reddit.com/r/amateurradio/comments/ohi7j/did_you...