Server:IPv4-Subnetze

IPv4-Subnetz-Größen

Nachfolgend finden Sie eine Liste aller IPv4-Subnetze (IPv4-Subnetz-Größen), der zugehörigen Netzmasken in dezimaler und binärer Schreibweise mitsamt CIDR-Präfix:

Präfix	Subnetz-Maske dezimal	Subnetz-Maske binär	Anzahl IPv4-Adressen	Erste IPv4-Adresse(n) im Subnetz	Kommentar
/32	255.255.255.255	11111111.11111111.11111111.11111111	1	(alle)	einzelner Host
/31	255.255.255.254	11111111.11111111.11111111.11111110	2	0, 2, 4, 6, 8, (...)	oft als Transfer-Netz zwischen Routern genutzt
/30	255.255.255.252	11111111.11111111.11111111.11111100	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	11111111.11111111.11111111.11111000	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	11111111.11111111.11111111.11110000	16	0, 16, 32, 48, 64, 80, 96, 112, 128, 144, 160, 176, 192, 208, 224, 240
/27	255.255.255.224	11111111.11111111.11111111.11100000	32	0, 32, 64, 96, 128, 160, 192, 224
/26	255.255.255.192	11111111.11111111.11111111.11000000	64	0, 64, 128, 192
/25	255.255.255.128	11111111.11111111.11111111.10000000	128	0, 128
/24	255.255.255.0	11111111.11111111.11111111.00000000	256		Class C-Netz
/23	255.255.254.0	11111111.11111111.11111110.00000000	512
/22	255.255.252.0	11111111.11111111.11111100.00000000	1.024
/21	255.255.248.0	11111111.11111111.11111000.00000000	2.048
/20	255.255.240.0	11111111.11111111.11110000.00000000	4.096
/19	255.255.224.0	11111111.11111111.11100000.00000000	8.192
/18	255.255.192.0	11111111.11111111.11000000.00000000	16.384
/17	255.255.128.0	11111111.11111111.10000000.00000000	32.768
/16	255.255.0.0	11111111.11111111.00000000.00000000	65.536		Class B-Netz
/15	255.254.0.0	11111111.11111110.00000000.00000000	131.072
/14	255.252.0.0	11111111.11111100.00000000.00000000	262.144
/13	255.248.0.0	11111111.11111000.00000000.00000000	524.288
/12	255.240.0.0	11111111.11110000.00000000.00000000	1.048.574
/11	255.224.0.0	11111111.11100000.00000000.00000000	2.097.150
/10	255.192.0.0	11111111.11000000.00000000.00000000	4.194.304
/9	255.128.0.0	11111111.10000000.00000000.00000000	8.388.608
/8	255.0.0.0	11111111.00000000.00000000.00000000	16.777.216		Class-A-Netz
/7	254.0.0.0	11111110.00000000.00000000.00000000	33.554.428
/6	252.0.0.0	11111100.00000000.00000000.00000000	67.108.856
/5	248.0.0.0	11111000.00000000.00000000.00000000	134.217.712
/4	240.0.0.0	11110000.00000000.00000000.00000000	268.435.424
/3	224.0.0.0	11100000.00000000.00000000.00000000	536.870.848
/2	192.0.0.0	11000000.00000000.00000000.00000000	1.073.741.696
/1	128.0.0.0	10000000.00000000.00000000.00000000	2.147.483.392
/0	0.0.0.0	00000000.00000000.00000000.00000000	4.294.966.784		alle IPv4-Adressen