Restarting your router won't work. You need to restart your modem to get a new IP. The modem may be part of the router or may be a separate box. Trace your internet hose as it comes into the house and the first box it plugs into is probably the modem. You also need to leave your modem off for long enough for your ISP to allocate you a new IP when you turn it back online, I recommend leaving it off overnight.
Restarting your router won't work. You need to restart your modem to get a new IP. The modem may be part of the router or may be a separate box. Trace your internet hose as it comes into the house and the first box it plugs into is probably the modem. You also need to leave your modem off for long enough for your ISP to allocate you a new IP when you turn it back online, I recommend leaving it off overnight.