I set up a forum account just to add to this.

Platform? (Steam/Windows/PS4/PS5/Mac etc.) Steam
Have you tried using a wired connection?Wired Only
Internet Service Provider: Cox
Region/Location: (your actual region not in game) Southern California (San Diego)
Separate Modem and Router or Hybrid? Hybrid
Are you using a Firewall/Anti-virus solution? If so, which ones? Windows Defender
Does the issue only happen with specific characters or all characters? I only play on 1 character

I also know of two other players in the area who have been dealing with lag through Cox. Meanwhile two local players with Spectrum as their ISP had issues earlier in the week but are fine now.