Does ALLOWED_IPS do CIDRS?

I have this in my docker-compose.yml file. and the logs gives this error.
`- ALLOWED_IPS=192.168.50.0/24,17.18.0.0/16`
`[WARN] socks: Connection from not allowed IP address: 172.18.0.1`
Does this ALLOWED_IPS not take CIDRS? Does it have to be one single IP per line?