I see a lot of confusion about how IP based bans might work.
It only makes sense to temporarily ban an IP address from being used to create a new account, to stop people who don't know how to get a new IP address from immediately creating a new account.
It makes zero sense to ban any user from using an IP address which is on a blacklist. Suppose you've been here for 5 years and one day your ISP gives you the address someone used to cheat three months ago. What sense would it make to ban you? They know you're not cheating. Even if you use an IP address which was used by a cheat 10 minutes ago, what's that got to do with you?
Like I said earlier, the people running this site know all about IP addresses so I'd be amazed if they are issuing bans to people just because they happen to be using an IP address implicated in abuse.
#11
You won't be given a new Ip address . When you buy your modem/Lan you are given a set of Ip addresses for you . The last two digits are always the same for all the strings in that set . You cannot ever get Ip address of a user living say 50 meters away .
@En_Passant234 most internet providers buy 1000 IP addresses for 1500 people, so if one of those people has got a ban, its likely that I will get one too if I get his IP address.
@En_Passant234
Just about everything you said is wrong.
You're confusing your local ip addresses with your public one. Your router will have a range of addresses for all local devices connected to it. They might be in the range 192.168.1.1 to 192.168.1.255. That last octet (255) is possibly what you mean when you say "last two digits". Each device on your network (phone, laptop, tv) will be allocated an address by your router. This internal address might never change, although you cannot assume that, and you can configure the router to always give, say, your desktop, the same ip address by associating it with the mac address. But mac addresses and internal ip addresses are never exposed to the internet. What's exposed - what lichess sees - is the public IP address allocated to your router by your ISP. You can get a new IP address by rebooting the router.
Type "what's my ip address" into google. Notice that it's not 192.168 etc. That's what Lichess sees. Do that search from multiple devices on your router. Notice how you get the same address every time. So clearly that's the address of your router, not your device. And notice that there's a good chance you'll get a new IP address if you reboot your router.
I got a chuckle out of the 50 meters comment. If you're interested, spend a little time learning before talking too much about this subject, as you don't appear to understand how any of it works.
@cFlour
You mean sometimes you have to queue up and wait for an IP address to become available before you can get on the internet?
I don't know much about all this, but I think Lichess doesn't only ban IP's it bans the pair of a username and that IP. I'm not sure about this and I'd be glad if anyone corrected me!
#15
There are so many IP address's you don't have to wait for one!
@doughnut09 IP bans are to prevent those users from making new accounts.
no @Doofenshmirtz
Not all 1500 people use the internet service at the same time, so the service providers buy less IP's than the number of clients.
#16 Bans either target a user or an IP address (although ofc Lichess can ban both a user and the IP address they use). IP bans don't happen that often but if somebody gets banned and just creates a new account, targeting just the user is useless.
Anyway, there's a lot of misinformation and half-truths in this thread. It's very much possible for people to keep the same IP address for a long time. This is often the case in things like corporate or university networks that own fixed IP ranges. However, for most normal people, your provider will assign you a more or less random IP which can in theory be changed quite frequently and for some people might even change every day. But in my experience, it usually won't change that often. It's quite possible it can survive router restarts and stay the same for months on end. But it's not unlikely it will change every now and then, at least over the course of years and it's also possible that it will change much more often. It's really not possible to give a definite answer on this and it all depends on the country, your provider, and your specific contract.
But to answer the original question, I'm not sure whether Lichess automatically removes IP bans after some time or after how long but if you really happen to get caught by such a ban (which is very unlikely) you can always email contact@lichess.org and the IP will get unbanned. This can also happen more readily when you are sharing an IP address with a large number of people e.g. again in a corporate or university network or in a hotel.
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