The fact that the user can be determined directly from the IP address is unlikely due to the principle of dynamic allocation. If you want to be absolutely sure and do not involuntarily provide data to anyone about you, you should keep these tips in mind:
- Interrupt the Internet connection regularly so that the IP address is reassigned.
- Since every e-mail contains the IP address: Do not send mails to dubious addresses, this is the case, for example, with some websites that attract attractive downloads, but which you can only activate by sending a mail.
Just think about which services you log in with username and password are the IP address can then be assigned to a visitor. For my ip usage, this is essential.
- Use anonymization software such as the Tor plugin for the Firefox browser; these free programs help you to hide your geolocation and your surfing habits.
Why do you need IP addresses?
Internet a unique identification number: the so-called IP address. Websites also have such a distinctive IP number. For example, the site of wieistmeineip.de has the number 126.96.36.199.
The problem that people, as opposed to computers, numbers much worse remember, the Domain Name System (DNS) a kind of large phone book for the Internet. Thanks to the DNS, it is sufficient to type the so-called domain name in the browser. Your browser then starts a request to a special address book server or name Server, which tells him the correct IP address.
What are the problems of today’s Internet Protocol?
Quite simple: There are no new IP addresses ago. With only 4.3 billion possible IP addresses, the currently used IPv4 is no longer sufficient for the growing number of Internet users worldwide especially not because in the future in addition to users and devices such as electricity meters or refrigerators, but also vehicles and much more network over the Internet.
Each provider gets a certain IP range from which he can assign addresses. This is the case because every public IP address must be unique and therefore, cannot be assigned more than once. The distribution of which provider have which IP areas are publicly available. Based on this data, you can find out about which provider you are surfing the Internet.
The location assignment is wrong.
An IP address can only be linked by your operator to your person and your place of residence external agencies can only estimate the location data. While this technique works relatively well in metropolitan areas, it is sometimes inaccurate, especially in rural environments.
What does the IP address look like?
The IP address is a combination of numbers, which consists of 4 blocks in the current format IPv4, whereby each block can take the numbers 0-255. The job of the IP address is to uniquely identify a network device in most cases; it’s the modem you connect to your provider. Local IP addresses are assigned within a local network, e.g. a WLAN, but they are not visible to the outside so, traditionally, all devices in a local network have the same external address, which you can see here.