Tabele cu clasele de IP-uri si cantitatea de subretele si host-uri suportate…

Clasa A – Prefix, Subretele, Host si Masca de retea

CIDR	Cantitate Retele Clasa A	Cantitate de Hosts	Masca de retea
/32	16.777.216	1	255.255.255.255
/31	8.388.608	2	255.255.255.254
/30	4.194.304	4	255.255.255.252
/29	2.097.152	8	255.255.255.248
/28	1.048.576	16	255.255.255.240
/27	524.288	32	255.255.255.224
/26	262.144	64	255.255.255.192
/25	131.072	128	255.255.255.128
/24	65.536	256	255.255.255.0
/23	32.768	512	255.255.254.0
/22	16.384	1.024	255.255.252.0
/21	8.192	2.048	255.255.248.0
/20	4.096	4.096	255.255.240.0
/19	2.048	8.192	255.255.224.0
/18	1.024	16.384	255.255.192.0
/17	512	32.768	255.255.128.0
/16	256	65.536	255.255.0.0
/15	128	131.072	255.254.0.0
/14	64	262.144	255.252.0.0
/13	32	524.288	255.248.0.0
/12	16	1.048.576	255.240.0.0
/11	8	2.097.152	255.224.0.0
/10	4	4.194.304	255.192.0.0
/9	2	8.388.608	255.128.0.0
/8	1	16.777.216	255.0.0.0
/7	2	33.554.432	254.0.0.0
/6	4	67.108.864	252.0.0.0
/5	8	134.217.728	248.0.0.0
/4	16	268.435.456	240.0.0.0
/3	32	536.870.912	224.0.0.0
/2	64	1.073.741.824	192.0.0.0
/1	128	2.147.483.648	128.0.0.0
/0	256	4.294.967.296	0.0.0.0

Clase B – Prefix, Subretele, Host si Masca de retea

CIDR	Cantitate Retele Clasa B	Cantitate de Hosts	Masca de retea
/32	65.536	1	255.255.255.255
/31	32.768	2	255.255.255.254
/30	16.384	4	255.255.255.252
/29	8.192	8	255.255.255.248
/28	4.096	16	255.255.255.240
/27	2.048	32	255.255.255.224
/26	1.024	64	255.255.255.192
/25	512	128	255.255.255.128
/24	256	256	255.255.255.0
/23	128	512	255.255.254.0
/22	64	1.024	255.255.252.0
/21	32	2.048	255.255.248.0
/20	16	4.096	255.255.240.0
/19	8	8.192	255.255.224.0
/18	4	16.384	255.255.192.0
/17	2	32.768	255.255.128.0
/16	1	65.536	255.255.0.0
/15	2	131.072	255.254.0.0
/14	4	262.144	255.252.0.0
/13	8	524.288	255.248.0.0
/12	13	1.048.576	255.240.0.0
/11	32	2.097.152	255.224.0.0
/10	64	4.194.304	255.192.0.0
/9	128	8.388.608	255.128.0.0
/8	256	16.777.216	255.0.0.0
/7	512	33.554.432	254.0.0.0
/6	1.024	67.108.864	252.0.0.0
/5	2.048	134.217.728	248.0.0.0
/4	4.096	268.435.456	240.0.0.0
/3	8.192	536.870.912	224.0.0.0
/2	16.384	1.073.741.824	192.0.0.0
/1	32.768	2.147.483.648	128.0.0.0
/0	65.536	4.294.967.296	0.0.0.0

Clase C – Prefix, Subretele, Host si Masca de retea

CIDR	Cantitate Retele Clasa C	Cantitate de Hosts	Masca de retea
/32	256	1	255.255.255.255
/31	128	2	255.255.255.254
/30	64	4	255.255.255.252
/29	32	8	255.255.255.248
/28	16	16	255.255.255.240
/27	8	32	255.255.255.224
/26	4	64	255.255.255.192
/25	2	128	255.255.255.128
/24	1	256	255.255.255.0
/23	2	512	255.255.254.0
/22	4	1.024	255.255.252.0
/21	8	2.048	255.255.248.0
/20	16	4.096	255.255.240.0
/19	32	8.192	255.255.224.0
/18	64	16.384	255.255.192.0
/17	128	32.768	255.255.128.0
/16	256	65.536	255.255.0.0
/15	512	131.072	255.254.0.0
/14	1.024	262.144	255.252.0.0
/13	2.048	524.288	255.248.0.0
/12	4.096	1.048.576	255.240.0.0
/11	8.192	2.097.152	255.224.0.0
/10	16.384	4.194.304	255.192.0.0
/9	32.768	8.388.608	255.128.0.0
/8	65.536	16.777.216	255.0.0.0
/7	131.072	33.554.432	254.0.0.0
/6	262.144	67.108.864	252.0.0.0
/5	524.288	134.217.728	248.0.0.0
/4	1.048.576	268.435.456	240.0.0.0
/3	2.097.152	536.870.912	224.0.0.0
/2	4.194.304	1.073.741.824	192.0.0.0
/1	8.388.608	2.147.483.648	128.0.0.0
/0	33.534.432	4.294.967.296	0.0.0.0