Google: Multiple Sites on Same IP is Not a Problem, But Similar Content Is - Search Engine Journal

Google’s John Mueller recently clarified that having multiple sites on the same IP address is not inherently a problem.

However, it may become a problem if those sites have very similar content.

This topic came up during a webmaster central office hours hangout. An individual was concerned about a decline in traffic amongst multiple sites on the same IP address...

Read more here: Google: Multiple Sites on Same IP is Not a Problem, But Similar Content Is - Search Engine Journal.