Wo finde ich die ipv4 adresse

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Damit Computer, Smartphones und andere Netzwerkgeräte miteinander kommunizieren können, muss jedes Gerät über eine eindeutige IP-Adresse adressierbar sein. Für die Kommunikation im Internet erhält die FRITZ!Box beim Herstellen der Internetverbindung vom Internetanbieter eine IP-Adresse.

Bei Verwendung des Internet Protokolls Version 4 (IPv4) lässt sich jede IP-Adresse einem der folgenden Adressbereiche zuordnen:

  • Private Adressbereiche:
    • IP-Adressen aus privaten Adressbereichen sind ausschließlich für die Kommunikation in privaten Netzwerken (z.B. FRITZ!Box-Heimnetz) vorgesehen und können daher auch zeitgleich in beliebig vielen unterschiedlichen Netzwerken verwendet werden. Da sie im Internet nie weitergeleitet ("geroutet") werden, ist aus dem Internet kein Zugriff auf Geräte möglich, deren IP-Adressen privaten Adressbereichen entstammen.

      Hinweis:Weitere Informationen zum Thema "Private Adressbereiche" erhalten Sie bei Wikipedia.

  • Öffentliche Adressbereiche:
    • IP-Adressen aus öffentlichen Adressbereichen werden weltweit nur von jeweils einem Gerät zur Zeit verwendet. Da sie die eindeutige Identifizierung von Geräten ermöglichen, werden sie im Internet weitergeleitet ("geroutet") und ermöglichen somit auch den Zugriff auf Geräte aus dem Internet.

  1. Klicken Sie in der Benutzeroberfläche der FRITZ!Box auf "Internet".
  2. Klicken Sie im Menü "Internet" auf "Online-Monitor".
  3. Prüfen Sie, welche IP-Adresse in der Zeile "Internet, IPv4" angezeigt wird. Falls die IP-Adresse nicht angezeigt wird, aktivieren Sie zunächst die Erweiterte Ansicht.
    • Die FRITZ!Box nutzt eine IP-Adresse aus dem privaten Adressbereich, wenn eine IP-Adresse aus einem der folgenden Bereiche angezeigt wird:
    • 10.0.0.0 - 10.255.255.255
    • 100.64.0.0 - 100.127.255.255 (Carrier-grade NAT)
    • 172.16.0.0 - 172.31.255.255
    • 192.0.0.0 - 192.0.0.7 (Dual-Stack-Lite)
    • 192.168.0.0 - 192.168.255.255
    • Die FRITZ!Box nutzt eine IP-Adresse aus dem öffentlichen Adressbereich, wenn eine IP-Adresse aus einem anderen Bereich angezeigt wird.
    • Die FRITZ!Box verfügt über keine öffentliche IPv4-Adresse, wenn die Meldung "FRITZ!Box verwendet einen DS-Lite-Tunnel" angezeigt wird. In diesem Fall ist die FRITZ!Box nicht über IPv4 aus dem Internet erreichbar.

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Wo finde ich die ipv4 adresse

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Your internet service provider assigns a numeric label, called the Internet Protocol (IP) address, to identify your device among billions of others. In a way, an IP address functions as an online home address because devices use IPs to find and communicate with each other.

Here’s how an IP address directs data to its destination. First, you type in a website name (example.com) into the browser. However, your computer does not understand words — only numbers. So it first finds out the IP address of that website (example.com = 103.86.98.1.), finds it on the web, and finally loads it on your screen.

Finding your IP address is pretty easy. Here are a few examples of how you can look it up.

How an IP address looks depends on the Internet Protocol version it’s using — IPv4 or IPv6.

Most internet service providers still use IPv4. It’s based on 32 binary bits, consists of four numbers from 0 to 255, and is separated by dots. For example, 103.86.98.1.

However, IPv4 can generate only 4.3 billion unique IP addresses. That’s nowhere near enough in this digital age — IPv4 addresses will soon run out.

IPv6 addresses are made up of 8 blocks of numbers. Each block is written as four hexadecimal digits and separated by colons. For example, 2400:BB40:1100:0000:0000:0000:0000:
0001.

Number groups containing only 0 are often omitted to save space. Instead, a colon is added to indicate the gap. For example, 2400:BB40:1100::1.

Unlike the IPv4 protocol, IPv6 won’t ever run out of unique IP addresses — it can provide nearly 3.4×10^38 of them. Furthermore, some argue that IPv6 is a more efficient technology, providing better quality and connectivity.

However, IPv6 has not been fully implemented for two reasons:

1. IPv6 isn’t backward compatible with IPv4. You can’t access IPv4 websites if your device runs on an IPv6 protocol.

2. It’s hard to adopt the new technology without immediate gain. IPv4 still suits our needs, and until we reach its limit, a worldwide shift is unlikely.

When you ask “what is my IP address” or “what is my ipv4 address” you usually mean “what is my public IP.” It’s the IP address provided by your internet service provider. Devices on the same network share this IP address when accessing the internet.

Take your home network as an example. It’s made up of your computer, phone, tablet, and every other device on your router. When these devices connect to the internet, they use the public IP address that’s been assigned to the router.

Routers assign private IPs to each device on their network, so that devices can identify and find each other. When these devices connect to the internet, their private IP addresses remain hidden, and only the public IP addresses of routers are visible. And your public IP address can say a lot about you. A simple IP lookup can reveal your location and ISP or even help track down your identity.

Frequently asked questions

Your IP address reveals a lot about you, ie. the place you surf from, including your country, region, postcode, and city. Moreover, cunning websites can compare this information with other details retrieved from cookies and metadata, thus creating an even more revealing picture of your identity.

It is unlikely that anyone will actually take over your IP address and use it as their own. But some people do have access to your IP address and can collect data related to it. For example, your ISP can always see what websites you have visited on the web. Meanwhile, the websites that you visit can track your location and actions to customize their offering. If you search for flights, the website can detect that you are, for example, surfing from a wealthy European country and, therefore, automatically raise the prices.

It is possible to protect your IP address by hiding it. This is done by using a VPN service, which routes your connection through another IP address, thus hiding your real one. Besides that, VPNs have many other benefits too. You get more online privacy and security as your internet traffic is encrypted and cannot be read by third-parties or misused by hackers.

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Wo finde ich die ipv4 adresse
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