CIDR Netmask |
Netmask dec |
Netmask hex |
Start |
End |
Start |
End |
Start |
End |
Start |
End |
/24 = 1 x 256 IP |
255.255.255.0 |
FFFFFF00 |
0 |
255 |
||||||
/25 = 2 x 128 IP |
255.255.255.128 |
FFFFFF80 |
0 |
127 |
128 |
255 |
||||
/26 = 4 x 064 IP |
255.255.255.192 |
FFFFFFC0 |
0 |
63 |
64 |
127 |
128 |
191 |
192 |
255 |
/27 = 8 x 032 IP |
255.255.255.224 |
FFFFFFE0 |
0 |
31 |
32 |
63 |
64 |
95 |
96 |
127 |
128 |
159 |
160 |
191 |
192 |
223 |
224 |
255 |
|||
/28 = 16 x16 IP |
255.255.255.240 |
FFFFFFF0 |
0 |
15 |
16 |
31 |
32 |
47 |
48 |
63 |
64 |
79 |
80 |
95 |
96 |
111 |
112 |
127 |
|||
128 |
143 |
144 |
159 |
160 |
175 |
176 |
191 |
|||
192 |
207 |
208 |
223 |
224 |
239 |
240 |
255 |
|||
/29 = 32 x 08 IP |
255.255.255.248 |
FFFFFFF8 |
0 |
7 |
8 |
15 |
16 |
23 |
24 |
31 |
32 |
39 |
40 |
47 |
48 |
55 |
56 |
63 |
|||
64 |
71 |
72 |
79 |
80 |
87 |
88 |
95 |
|||
96 |
103 |
104 |
111 |
112 |
119 |
120 |
127 |
|||
128 |
135 |
136 |
143 |
144 |
151 |
152 |
159 |
|||
160 |
167 |
168 |
175 |
176 |
183 |
184 |
191 |
|||
192 |
199 |
200 |
207 |
208 |
215 |
216 |
223 |
|||
224 |
231 |
232 |
239 |
240 |
247 |
248 |
255 |
|||
/30 = 64 x 04 IP |
255.255.255.252 |
FFFFFFFC |
0 |
3 |
4 |
7 |
8 |
11 |
12 |
15 |
16 |
19 |
20 |
23 |
24 |
27 |
28 |
31 |
|||
32 |
35 |
36 |
39 |
40 |
43 |
44 |
47 |
|||
48 |
51 |
52 |
55 |
56 |
59 |
60 |
63 |
|||
64 |
67 |
68 |
71 |
72 |
75 |
76 |
79 |
|||
80 |
83 |
84 |
87 |
88 |
91 |
92 |
95 |
|||
96 |
99 |
100 |
103 |
104 |
107 |
108 |
111 |
|||
112 |
115 |
116 |
119 |
120 |
123 |
124 |
127 |
|||
128 |
131 |
132 |
135 |
136 |
139 |
140 |
143 |
|||
144 |
147 |
148 |
151 |
152 |
155 |
156 |
159 |
|||
160 |
163 |
164 |
167 |
168 |
171 |
172 |
175 |
|||
176 |
179 |
180 |
183 |
184 |
187 |
188 |
191 |
|||
192 |
195 |
196 |
199 |
200 |
203 |
204 |
207 |
|||
208 |
211 |
212 |
215 |
216 |
219 |
220 |
223 |
|||
224 |
227 |
228 |
231 |
232 |
235 |
236 |
239 |
|||
240 |
243 |
244 |
247 |
248 |
251 |
252 |
255 |
|||