Liste des sous-réseaux

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Liste des masques de sous-réseaux

CIDR	bits disponibles	Masque de sous-réseau	Nombre d’hôtes par sous-réseau
/1	31	128.0.0.0	2^31-2 = 2147483646
/2	30	192.0.0.0	2^30-2 = 1073741822
/3	29	224.0.0.0	2^29-2 = 536870910
/4	28	240.0.0.0	2^28-2 = 268435454
/5	27	248.0.0.0	2^27-2 = 134217726
/6	26	252.0.0.0	2^26-2 = 67108862
/7	25	254.0.0.0	2^25-2 = 33554430
/8	24	255.0.0.0	2^24-2 = 16777214
/9	23	255.128.0.0	2^23-2 = 8388606
/10	22	255.192.0.0	2^22-2 = 4194302
/11	21	255.224.0.0	2^21-2 = 2097150
/12	20	255.240.0.0	2^20-2 = 1048574
/13	19	255.248.0.0	2^19-2 = 524286
/14	18	255.252.0.0	2^18-2 = 262142
/15	17	255.254.0.0	2^17-2 = 131070
/16	16	255.255.0.0	2^16-2 = 65534
/17	15	255.255.128.0	2^15-2 = 32766
/18	14	255.255.192.0	2^14-2 = 16382
/19	13	255.255.224.0	2^13-2 = 8190
/20	12	255.255.240.0	2^12-2 = 4094
/21	11	255.255.248.0	2^11-2 = 2046
/22	10	255.255.252.0	2^10-2 = 1022
/23	9	255.255.254.0	2^9-2 = 510
/24	8	255.255.255.0	2^8-2 = 254
/25	7	255.255.255.128	2^7-2 = 126
/26	6	255.255.255.192	2^6-2 = 62
/27	5	255.255.255.224	2^5-2 = 30
/28	4	255.255.255.240	2^4-2 = 14
/29	3	255.255.255.248	2^3-2 = 6
/30	2	255.255.255.252	2^2-2 = 2
/31	1	255.255.255.254	2^1
/32	0	255.255.255.255	2^0

Suite : http://fr.wikipedia.org/wiki/Sous-réseau