You don't need to redact RFC1918 addresses (i.e. anything in the 192.168.x.x, 10.x.x.x, 172.16.x.x-172.30.x.x ranges).
I'm going to take a guess that the gateway address there (under your redaction) is 192.168.1.1.
Your network file (posted here) indicates that your OpenWrt router has a LAN defined as 192.168.1.1.
From the earlier thread, @mk24 had advised the following:
I'm guessing you missed that... If my hunch is correct, you need to change your LAN address, then renew your computer's IP address and you should be able to get online.