I'm happy to report that Blake has agreed to start releasing some of the tools from his private stash. As many know, he's been coding attack tools for decades, but mostly keeps them private. The first one being released today is ghba (get host by address). ghba is a PTR record (reverse DNS) scanner. It is a Golang rewrite of ghba.c that runs much faster than the original ghba.c. It can scan an entire private class C network in under a minute. It's released under the BSD-2 License and can be found at either SX Labs or HardenedBSD's git server.
I hope you all enjoy it, it's been awhile!