Are we to take "pre 1946" to simply mean WWII? How far back "pre 1946" do you want?

Here's a sweeping article from "viking times" through WWI:

https://naval-encyclopedia.com/ww1/russian-navy.php

Are you looking for more specifically lists of, and basic info on, the ships themselves?

World War I:

https://naval-encyclopedia.com/category/ww1-russian-navy/

World War II:

https://naval-encyclopedia.com/category/ww2-soviet-navy/

There's also WWII Soviet naval aviation:

https://naval-encyclopedia.com/naval-aviation/ww2/soviet-naval-aviation.php

The site's main page (which is not strictly Russian-subject) :

https://naval-encyclopedia.com/

From the search I ran, this is pretty much the best of three sites I looked into. As far as "safe," it has not set off any alarms or warnings on my phone. I have been very pleased with how robust its security system has been for the several years I've had it (vs. my older desktop computers which periodically caused me small fits over security issues.) They all depend to some degree or another on how good your security setup is. All I can tell you about that.

HTH some.