IP-Adresses

- in Deutsch

- in English

IP-Adresses are used in networks which are working with the Internet-Protokoll (IP) to transport datas from sender to a specific receiver. As Example we can take the Internet, or private networks, which can be also connections between Dreamboxes and PCs.

IP Adresses in V4 are 4 numbers inbetween 0 and 255, seperated by a dot, eg. 127.0.0.1, which is used for "localhost".

There are three categories:

• IP-Adresses (like they are used at the Internet)
• Private IP Adresses (used in private networks)
• virtual IP-Adresses (the dynamic IP-Adress of an activ/passiv-cluster)

Here we just talk about private IP-Adresses, like we need them in our private network with our Dreambox.

Private IP-Adresses

Private IP-Adresses are belonging to a special Ip-Adress-Range, which is not routet at the Internet. They can be used by everybody for his own LAN.

So you can give IP-Adresses in your LAN by your own. But: Therefore should only be taken Adresses from private networks, as in RFC 1918 listed.

This would be the following:

The Internet Assigned Numbers Authority (IANA) has reserved the
following three blocks of the IP address space for private internets:
 
10.0.0.0        -   10.255.255.255  (10/8 prefix)
172.16.0.0      -   172.31.255.255  (172.16/12 prefix)
192.168.0.0     -   192.168.255.255 (192.168/16 prefix)

The most used adresses may be the 192.168.x.x.