whois-rust is used at run time in 5 crates (of which 1 optionally).

Depender (with downloads and own rev deps) whois-rust version
950 goran ^1.6.0
2.2K 1 twistrs optional ^1.5.1
130 krater ^1.6.0
bgpexplorer ^1.5.1
avamain ^1.4.0