Found one search on the forum from a couple of years ago, but it wasn't the same port.
Didn't find anything on the internet
Software Version
2.600.0000.3.R.E4.2512.3S.NR, Build Date: 2017-06-30
WEB Version
3.2.1.467310
ONVIF Version
16.12(V2.3.1.458331)
PTZ Version
3.02.85.RHNT_17_22722...