|
|
Zeile 48: |
Zeile 48: |
|
| |
|
| = TMP = | | = TMP = |
| == IPv4-Adressraum ==
| |
| Allgemein gilt
| |
| * Anzahl der IPv4-Adressen = 2<sup>32 - Länge der Netzadresse</sup>
| |
| * Erste und letzte IPv4-Adresse ist reserviert für Netzwerk- bzw. Broadcast-Adresse
| |
|
| |
| {| class="wikitable"
| |
| !Notation
| |
| !Anzahl der Adressen
| |
| !Nutzbare<br />Host-Adressen
| |
| !Subnetzmaske<br />dezimal
| |
| !Subnetzmaske<br />binär
| |
| !Kommentar
| |
| |-
| |
| |/0
| |
| |4.294.967.296
| |
| |–
| |
| |0.0.0.0
| |
| |<code><span style="color:#bbb">00000000.00000000.00000000.00000000</span></code>
| |
| | Vollständiger IPv4-Adressraum
| |
| |-
| |
| |/1
| |
| |2.147.483.648
| |
| |–
| |
| |128.0.0.0
| |
| |<code>1<span style="color:#bbb">0000000.00000000.00000000.00000000</span></code>
| |
| |
| |
| |-
| |
| |/2
| |
| |1.073.741.824
| |
| |–
| |
| |192.0.0.0
| |
| |<code>11<span style="color:#bbb">000000.00000000.00000000.00000000</span></code>
| |
| |
| |
| |-
| |
| |/3
| |
| |536.870.912
| |
| |–
| |
| |224.0.0.0
| |
| |<code>111<span style="color:#bbb">00000.00000000.00000000.00000000</span></code>
| |
| |
| |
| |-
| |
| |/4
| |
| |268.435.456
| |
| |–
| |
| |240.0.0.0
| |
| |<code>1111<span style="color:#bbb">0000.00000000.00000000.00000000</span></code>
| |
| |
| |
| |-
| |
| |/5
| |
| |134.217.728
| |
| |–
| |
| |248.0.0.0
| |
| |<code>11111<span style="color:#bbb">000.00000000.00000000.00000000</span></code>
| |
| |
| |
| |-
| |
| |/6
| |
| |67.108.864
| |
| |–
| |
| |252.0.0.0
| |
| |<code>111111<span style="color:#bbb">00.00000000.00000000.00000000</span></code>
| |
| |
| |
| |-
| |
| |/7
| |
| |33.554.432
| |
| |–
| |
| |254.0.0.0
| |
| |<code>1111111<span style="color:#bbb">0.00000000.00000000.00000000</span></code>
| |
| |
| |
| |-
| |
| |/8
| |
| |16.777.216
| |
| |16.777.214
| |
| |255.0.0.0
| |
| |<code>11111111.<span style="color:#bbb">00000000.00000000.00000000</span></code>
| |
| |„Class A“-Größe
| |
| |-
| |
| |/9
| |
| |8.388.608 (128x65.536)
| |
| |8.388.606
| |
| |255.128.0.0
| |
| |<code>11111111.1<span style="color:#bbb">0000000.00000000.00000000</span></code>
| |
| |
| |
| |-
| |
| |/10
| |
| |4.194.304 (64x65.536)
| |
| |4.194.302
| |
| |255.192.0.0
| |
| |<code>11111111.11<span style="color:#bbb">000000.00000000.00000000</span></code>
| |
| |
| |
| |-
| |
| |/11
| |
| |2.097.152 (32x65.536)
| |
| |2.097.150
| |
| |255.224.0.0
| |
| |<code>11111111.111<span style="color:#bbb">00000.00000000.00000000</span></code>
| |
| |
| |
| |-
| |
| |/12
| |
| |1.048.576 (16x65.536)
| |
| |1.048.574
| |
| |255.240.0.0
| |
| |<code>11111111.1111<span style="color:#bbb">0000.00000000.00000000</span></code>
| |
| |
| |
| |-
| |
| |/13
| |
| |524.288 (8x65.536)
| |
| |524.286
| |
| |255.248.0.0
| |
| |<code>11111111.11111<span style="color:#bbb">000.00000000.00000000</span></code>
| |
| |
| |
| |-
| |
| |/14
| |
| |262.144 (4x65.536)
| |
| |262.142
| |
| |255.252.0.0
| |
| |<code>11111111.111111<span style="color:#bbb">00.00000000.00000000</span></code>
| |
| |
| |
| |-
| |
| |/15
| |
| |131.072 (2x65.536)
| |
| |131.070
| |
| |255.254.0.0
| |
| |<code>11111111.1111111<span style="color:#bbb">0.00000000.00000000</span></code>
| |
| |
| |
| |-
| |
| |/16
| |
| |65.536 (1x65.536)
| |
| |65.534
| |
| |255.255.0.0
| |
| |<code>11111111.11111111.<span style="color:#bbb">00000000.00000000</span></code>
| |
| |„Class B“-Größe
| |
| |-
| |
| |/17
| |
| |32.768 (128x256)
| |
| |32.766
| |
| |255.255.128.0
| |
| |<code>11111111.11111111.1<span style="color:#bbb">0000000.00000000</span></code>
| |
| |
| |
| |-
| |
| |/18
| |
| |16.384 (64x256)
| |
| |16.382
| |
| |255.255.192.0
| |
| |<code>11111111.11111111.11<span style="color:#bbb">000000.00000000</span></code>
| |
| |
| |
| |-
| |
| |/19
| |
| |8.192 (32x256)
| |
| |8.190
| |
| |255.255.224.0
| |
| |<code>11111111.11111111.111<span style="color:#bbb">00000.00000000</span></code>
| |
| |
| |
| |-
| |
| |/20
| |
| |4.096 (16x256)
| |
| |4.094
| |
| |255.255.240.0
| |
| |<code>11111111.11111111.1111<span style="color:#bbb">0000.00000000</span></code>
| |
| |
| |
| |-
| |
| |/21
| |
| |2.048 (8x256)
| |
| |2.046
| |
| |255.255.248.0
| |
| |<code>11111111.11111111.11111<span style="color:#bbb">000.00000000</span></code>
| |
| |
| |
| |-
| |
| |/22
| |
| |1.024 (4x256)
| |
| |1.022
| |
| |255.255.252.0
| |
| |<code>11111111.11111111.111111<span style="color:#bbb">00.00000000</span></code>
| |
| |
| |
| |-
| |
| |/23
| |
| |512 (2x256)
| |
| |510
| |
| |255.255.254.0
| |
| |<code>11111111.11111111.1111111<span style="color:#bbb">0.00000000</span></code>
| |
| |
| |
| |-
| |
| |/24
| |
| |256 (1x256)
| |
| |254
| |
| |255.255.255.0
| |
| |<code>11111111.11111111.11111111.<span style="color:#bbb">00000000</span></code>
| |
| |„Class C“-Größe
| |
| |-
| |
| |/25
| |
| |128 (128x1)
| |
| |126
| |
| |255.255.255.128
| |
| |<code>11111111.11111111.11111111.1<span style="color:#bbb">0000000</span></code>
| |
| |
| |
| |-
| |
| |/26
| |
| |64 (64x1)
| |
| |62
| |
| |255.255.255.192
| |
| |<code>11111111.11111111.11111111.11<span style="color:#bbb">000000</span></code>
| |
| |
| |
| |-
| |
| |/27
| |
| |32 (32x1)
| |
| |30
| |
| |255.255.255.224
| |
| |<code>11111111.11111111.11111111.111<span style="color:#bbb">00000</span></code>
| |
| |
| |
| |-
| |
| |/28
| |
| |16 (16x1)
| |
| |14
| |
| |255.255.255.240
| |
| |<code>11111111.11111111.11111111.1111<span style="color:#bbb">0000</span></code>
| |
| |
| |
| |-
| |
| |/29
| |
| |8 (8x1)
| |
| |6
| |
| |255.255.255.248
| |
| |<code>11111111.11111111.11111111.11111<span style="color:#bbb">000</span></code>
| |
| |
| |
| |-
| |
| |/30
| |
| |4 (4x1)
| |
| |2
| |
| |255.255.255.252
| |
| |<code>11111111.11111111.11111111.111111<span style="color:#bbb">00</span></code>
| |
| |Verbindungsnetz zwischen zwei Routern
| |
| |-
| |
| |/31
| |
| |2 (2x1)
| |
| |0 (2)
| |
| |255.255.255.254
| |
| |<code>11111111.11111111.11111111.1111111<span style="color:#bbb">0</span></code>
| |
| |Verbindungsnetz zwischen zwei Routern
| |
| |-
| |
| |/32
| |
| |1 (1x1)
| |
| |0 (1)
| |
| |255.255.255.255
| |
| |<code>11111111.11111111.11111111.11111111</code>
| |
| |einzelner Host
| |
| |}
| |
|
| |
| Adressbereiche der Größe ''/0'' bis ''/7'' werden in der Praxis nicht als einzelnes Subnetz verwendet, sondern in mehrere Subnetze unterteilt
| |
|
| |
| '' /31''-Netze enthalten keine nutzbaren Host-Adressen, während ''/32'' kein Subnetz, sondern immer einen einzelnen Host adressiert. Hierbei gibt es auch Ausnahmen. So wurde im RFC 3021 vorgeschlagen, dass ''/31''-Netze genutzt werden, um Point-to-point-Verbindungen zu etablieren. Dies wurde unter anderem von der Firma Cisco implementiert. Des Weiteren ist es unter bestimmten Umständen möglich, die Netz- und Broadcastadresse für Hosts zu verwenden
| |