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| '''! Präfix'''| '''! Subnetz-Maske'''dezimal| '''! Subnetz-Maske binär! Anzahl IPv4-Adressen'''| '''! Erste IPv4-Adresse(n) im Subnetz'''! Kommentar
== IPv4-Subnetz-Größen ==
Nachfolgend finden Sie eine Liste von aller IPv4-Subnetzen/Subnetze (IPv4-Subnetz-Größen), der zugehörigen Netzmasken in dezimaler und binärer Schreibweise mitsamt CIDR/-Präfix:
:{| class="wikitable"
|-
| '''/32'''
| 255.255.255.255
| <code>11111111.11111111.11111111.11111111</code>
| 1
| (entfälltalle)| einzelner Host
|-
| '''/31'''
| 255.255.255.254
| <code>11111111.11111111.11111111.1111111<span style="color:#bbb">0</span></code>
| 2
| 0, 2, 4, 6, 8, (...)
| oft als Transfer-Netz zwischen Routern genutzt
|-
| '''/30'''
| 255.255.255.252
| <code>11111111.11111111.11111111.111111<span style="color:#bbb">00</span></code>
| 4
| 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 64, 68, 72, 76, 80, 84, 88, 92, 96, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140, 144, 148, 152, 156, 160, 164, 168, 172, 176, 180, 184, 188, 192, 196, 200, 204, 208, 212, 216, 220, 224, 228, 232, 236, 240, 244, 248, 252
| '''/29'''
| 255.255.255.248
| <code>11111111.11111111.11111111.11111<span style="color:#bbb">000</span></code>
| 8
| 0, 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 88, 96, 104, 112, 120, 128, 136, 144, 152, 160, 168, 76, 184, 192, 200, 208, 216,
224, 232, 240, 248
|-
| '''/28'''
| 255.255.255.240
| <code>11111111.11111111.11111111.1111<span style="color:#bbb">0000</span></code>
| 16
| 0, 16, 32, 48, 64, 80, 96, 112, 128, 144, 160, 176, 192, 208, 224, 240
| '''/27'''
| 255.255.255.224
| <code>11111111.11111111.11111111.111<span style="color:#bbb">00000</span></code>
| 32
| 0, 32, 64, 96, 128, 160, 192, 224
|-
| '''/26'''
| 255.255.255.192 | <code>11111111.11111111.11111111.11<span style="color:#bbb">000000</span></code>
| 64
| 0, 64, 128, 192
| '''/25'''
| 255.255.255.128
| <code>11111111.11111111.11111111.1<span style="color:#bbb">0000000</span></code>
| 128
| 0, 128
|-
| '''/24'''
| 255.255.255.0 | <code>11111111.11111111.11111111.<span style="color:#bbb">00000000</span></code>
| 256
|
| Class C-Netz
|-
| '''/23'''
| 255.255.254.0 | <code>11111111.11111111.1111111<span style="color:#bbb">0.00000000</span></code>
| 512
|
| '''/22'''
| 255.255.252.0
| <code>11111111.11111111.111111<span style="color:#bbb">00.00000000</span></code>
| 1.024
|
| '''/21'''
| 255.255.248.0
| <code>11111111.11111111.11111<span style="color:#bbb">000.00000000</span></code>
| 2.048
|
|-
| '''/20'''
| 255.255.240.0 | <code>11111111.11111111.1111<span style="color:#bbb">0000.00000000</span></code>
| 4.096
|
| '''/19'''
| 255.255.224.0
| <code>11111111.11111111.111<span style="color:#bbb">00000.00000000</span></code>
| 8.192
|
|-
| '''/18'''
| 255.255.192.0 | <code>11111111.11111111.11<span style="color:#bbb">000000.00000000</span></code>
| 16.384
|
| '''/17'''
| 255.255.128.0
| <code>11111111.11111111.1<span style="color:#bbb">0000000.00000000</span></code>| 32.768
|
|-
| '''/16'''
| 255.255.0.0
| <code>11111111.11111111.<span style="color:#bbb">00000000.00000000</span></code>
| 65.536
|
| Class B-Netz
|-
| '''/15'''
| 255.254.0.0
| <code>11111111.1111111<span style="color:#bbb">0.00000000.00000000</span></code>
| 131.072
|
| '''/14'''
| 255.252.0.0
| <code>11111111.111111<span style="color:#bbb">00.00000000.00000000</span></code>
| 262.144
|
| '''/13'''
| 255.248.0.0
| <code>11111111.11111<span style="color:#bbb">000.00000000.00000000</span></code>
| 524.288
|
| '''/12'''
| 255.240.0.0
| <code>11111111.1111<span style="color:#bbb">0000.00000000.00000000</span></code>
| 104.8576
|
| '''/11'''
| 255.224.0.0
| <code>11111111.111<span style="color:#bbb">00000.00000000.00000000</span></code>
| 209.7152
|
| '''/10'''
| 255.192.0.0
| <code>11111111.11<span style="color:#bbb">000000.00000000.00000000</span></code>
| 4.194.304
|
| '''/9'''
| 255.128.0.0
| <code>11111111.1<span style="color:#bbb">0000000.00000000.00000000</span></code>
| 8.388.608
|
|-
| '''/8'''
| 255.0.0.0 | <code>11111111.<span style="color:#bbb">00000000.00000000.00000000</span></code>
| 16.777.216
|
| Class-A-Netz
|-
| '''/7'''
| 254.0.0.0 | <code>1111111<span style="color:#bbb">0.00000000.00000000.00000000</span></code>
| 33.554.428
|
|-
| '''/6'''
| 252.0.0.0 | <code>111111<span style="color:#bbb">00.00000000.00000000.00000000</span></code>
| 67.108.856
|
|-
| '''/5'''
| 248.0.0.0 | <code>11111<span style="color:#bbb">000.00000000.00000000.00000000</span></code>
| 134.217.712
|
|-
| '''/4'''
| 240.0.0.0 | <code>1111<span style="color:#bbb">0000.00000000.00000000.00000000</span></code>
| 268.435.424
|
| '''/3'''
| 224.0.0.0
| <code>111<span style="color:#bbb">00000.00000000.00000000.00000000</span></code>| 536.870.848
|
|-
| '''/2'''
| 192.0.0.0 | <code>11<span style="color:#bbb">000000.00000000.00000000.00000000</span></code>
| 1.073.741.696
|
|-
| '''/1'''
| 128.0.0.0 | <code>1<span style="color:#bbb">0000000.00000000.00000000.00000000</span></code>
| 2.147.483.392
|
|-
| '''/0'''
| 0.0.0.0 | <code><span style="color:#bbb">00000000.00000000.00000000.00000000</span></code>
| 4.294.966.784
|
| alle IPv4-Adressen
|}
[[Kategorie:Root-Server]][[Kategorie:Netzwerk (Server)]]
