# IPv4

## IPv4 Adressen

| Range           | Bedeutung                      |
| --------------- | ------------------------------ |
| 10.0.0.0/8      | Privates Netzwerk              |
| 127.0.0.0/8     | Localnet                       |
| 169.254.0.0/16  | Zeroconf                       |
| 172.16.0.0/12   | Privates Netzwerk              |
| 192.0.2.0/24    | Dokumentation und Beispielcode |
| 192.168.0.0/16  | Privates Netzwerk              |
| 198.51.100.0/24 | Dokumentation und Beispielcode |
| 203.0.113.0/24  | Dokumentation und Beispielcode |
| 224.0.0.0/4     | Multicast                      |

## IPv4 Subnet

| CIDR | Subnet Mask     | Adresse       | Wildcard        |
| ---- | --------------- | ------------- | --------------- |
| /32  | 255.255.255.255 | 1             | 0.0.0.0         |
| /31  | 255.255.255.254 | 2             | 0.0.0.1         |
| /30  | 255.255.255.252 | 4             | 0.0.0.3         |
| /29  | 255.255.255.248 | 8             | 0.0.0.7         |
| /28  | 255.255.255.240 | 16            | 0.0.0.15        |
| /27  | 255.255.255.224 | 32            | 0.0.0.31        |
| /26  | 255.255.255.192 | 64            | 0.0.0.63        |
| /25  | 255.255.255.128 | 128           | 0.0.0.127       |
| /24  | 255.255.255.0   | 256           | 0.0.0.255       |
| /23  | 255.255.254.0   | 512           | 0.0.1.255       |
| /22  | 255.255.252.0   | 1'024         | 0.0.3.255       |
| /21  | 255.255.248.0   | 2'048         | 0.0.7.255       |
| /20  | 255.255.240.0   | 4'096         | 0.0.15.255      |
| /19  | 255.255.224.0   | 8'192         | 0.0.31.255      |
| /18  | 255.255.192.0   | 16'384        | 0.0.63.255      |
| /17  | 255.255.128.0   | 32'768        | 0.0.127.255     |
| /16  | 255.255.0.0     | 65'536        | 0.0.255.255     |
| /15  | 255.254.0.0     | 131'072       | 0.1.255.255     |
| /14  | 255.252.0.0     | 262'144       | 0.3.255.255     |
| /13  | 255.248.0.0     | 524'288       | 0.7.255.255     |
| /12  | 255.240.0.0     | 1'048'576     | 0.15.255.255    |
| /11  | 255.224.0.0     | 2'097'152     | 0.31.255.255    |
| /10  | 255.192.0.0     | 4'194'304     | 0.63.255.255    |
| /9   | 255.128.0.0     | 8'388'608     | 0.127.255.255   |
| /8   | 255.0.0.0       | 16'777'216    | 0.255.255.255   |
| /7   | 254.0.0.0       | 33'554'432    | 1.255.255.255   |
| /6   | 252.0.0.0       | 67'108'864    | 3.255.255.255   |
| /5   | 248.0.0.0       | 134'217'728   | 7.255.255.255   |
| /4   | 240.0.0.0       | 268'435'456   | 15.255.255.255  |
| /3   | 224.0.0.0       | 536'870'912   | 31.255.255.255  |
| /2   | 192.0.0.0       | 1'073'741'824 | 63.255.255.255  |
| /1   | 128.0.0.0       | 2'147'483'648 | 127.255.255.255 |
| /0   | 0.0.0.0         | 4'294'967'296 | 255.255.255.255 |