Is there practical Attack on A5/1 Cryptosystem?
Elad Barkan has(Possibly had) a company called KeySee Software.
In Elads's words: "KeySee supplies software for off-the-air interception of GSM communications, as well as consulting services for computer security and encryption."

Knowing Elad, and the literature, I have every reason to believe they deliver what they promise. 

As others mentioned in comments, Rainbow tables are available for download, the computational requirements don't seem all that difficult to do it yourself in 2019. Obviously there is a difference between having the Rainbow tables and a functioning attack.