Internal networks should not provide problem. Just make sure you do the right work on the right computer without accident mistakes in logging with old cookies, etc in place
The Following User Says Thank You to rsot For This Useful Post:
Your PC isn't actually banned. Ebay doesn't have the Technology yet to do that. I would not worry about the PC. Just don't use the same windows profile that was in use when your ebay account was banned when logging on to a new ebay account. Unless you are sure that you have wiped all the cookies.