first of thats not possible because IPs can't be same on different location, may be on same location, but IPs are not the only way they keep track of you, MAC ids are there too,
so if you are trying to getting back on those site better change ISP and the device through which you access, cause they knew the devices from you log in, so if ya had used your desktop and nvr had used a laptop/or mob to access them before then its wise to use those new devices along with your new ISP. sounds stupid rt? its something you can try safely cause with this you are completely new aren't you,
Because PTP and its butt buddies(BTN, A-HD, GFT,What.cd etc) are well know to swap informations and lick each others off..hail IPT