What Class IP Is it ? 191.168.1.8

This IP belongs to class B.

192.168.1.8 is a private IP and it is a class C address the range of this private IP BLOCK is 192.168.0.1 to 192.168.255.254.  it is not routable over the internet unless your ISP does something wrong.

191-168-1-8 - is a public IP Address - routable (reachable) from anywhere in the world!

I suppose you want to write: 192.168.1.8 in which case, this is class C.

However, if the IP is truly 191.168.1.8, then, this is a public IP