hi albert0bsd,

I found keyhunt wont stop even out of range ,  I test
./keyhunt -m address -f tests/1to32.txt -r 1:FFFF

it seems the hunter wont stop and keep running ....

Hit! Private Key: 1ba534
pubkey: 031a746c78f72754e0be046186df8a20cdce5c79b2eda76013c647af08d306e49e
Address 14oFNXucftsHiUMY8uctg6N487riuyXs4h
rmd160 29a78213caa9eea824acf08022ab9dfc83414f56

Hit! Private Key: 2de40f
pubkey: 023ed96b524db5ff4fe007ce730366052b7c511dc566227d929070b9ce917abb43
Address 1CfZWK1QTQE3eS9qn61dQjV89KDjZzfNcv
rmd160 7ff45303774ef7a52fffd8011981034b258cb86b

Hit! Private Key: 556e52
pubkey: 03f82710361b8b81bdedb16994f30c80db522450a93e8e87eeb07f7903cf28d04b
Address 1L2GM8eE7mJWLdo3HZS6su1832NX2txaac
rmd160 d0a79df189fe1ad5c306cc70497b358415da579e
^C

if its possible split puzzle job in many pieces just like miner workers in mining pool?