I tried using ps3 proxy server on my 4.81 super slim to try HAN, but I cannot connect to PS3. : r/ps3hacks
PS3 Proxy Setup - Bypass 4.87 (HEN/CFW) - YouTube
With 4.86 going public a few hours ago, yes, you can spoof or use a proxy to go online. I use SKFU's proxy to take my 4.84 PS3 (with HEN) online. : r/ps3homebrew