Accessing the UI via a URL like
http://192.168.11.38:39000 may lead to disruptions of the user experience.
You could try opening an ssh tunnel to your CryoSPARC server with a command like
ssh -L 62222:localhost:39000 username@192.168.11.38
If you do not have ssh access to the CryoSPARC server itself but have access to an ssh server on the same network, you can try
ssh -L 62222:192.168.11.38:39000 username@your_ssh_server
and in either case, access the by pointing your browser to
http://localhost:62222
Does this help?