And still there are those "legacy" IPv4 blocks...
... that ARIN cannot revoke and crooks are "free" to use, if the can get someone to route them.
Need a /16 block? Follow the instruction here:
https://www.spamhaus.org/news/article/732/network-hijacking-on-the-rise
Of course fighting spammers and other cybercrooks would free IPs as well for legitimate users - yet it will be still stopgap measures.
We'll have to swallow IPv6, and its outdated design. Just, ensure you have a powerful firewall behind your router....
Biting the hand that feeds IT
