SSHScan is a testing tool that enumerates SSH Ciphers.
Using SSHScan, weak ciphers can be easily detected.

You can install SSHScan by cloning the Git repository:
git clone https://github.com/evict/SSHScan SSHScan

To get a list of basic options use:
python sshscan.py -h

Edit config.yml to add / remove strong ciphers.