How to know the number and location of LTC nodes?

I would like to try Litecoin Core v0.13.2.1 as my private wallet.
However, I couldn’t found the data of the number or location of LTC notes. Is there a website showing these data?
As far as I know, for BTC, Bitnotes ( prefer a reliable data of reachable nodes for BTC in the network (7839 average, 13/7/2017).

yes, and what was a problem?