128 |
192 |
224 |
240 |
248 |
252 |
254 |
255 |
128 |
64 |
32 |
16 |
8 |
4 |
2 |
1 |
0-127 |
0-63 |
0-31 |
0-15 |
0-7 |
0-3 |
0-1 |
0 |
128-255 |
64-127 |
32-63 |
16-31 |
8-15 |
4-7 |
2-3 |
1 |
|
128-191 |
64-95 |
32-47 |
16-23 |
8-11 |
4-5 |
2 |
|
192-255 |
96-127 |
48-63 |
24-31 |
12-15 |
6-7 |
3 |
|
|
128-159 |
64-79 |
32-39 |
16-19 |
8-9 |
4 |
|
|
160-191 |
80-95 |
40-47 |
20-23 |
10-11 |
5 |
|
|
192-223 |
96-111 |
48-55 |
24-27 |
12-13 |
6 |
| |
224-255 |
112-127 |
56-63 |
28-31 |
14-15 |
7 |
|
|
|
128-143 |
64-71 |
32-35 |
16-17 |
8 |
|
|
|
144-159 |
72-79 |
36-39 |
18-19 |
9 |
2n-2= |
# of Hosts |
# of Subnets |
160-175 |
80-87 |
40-43 |
20-21 |
10 |
176-191 |
88-95 |
44-47 |
22-23 |
11 |
2 |
2 |
4,194,302 |
192-207 |
96-103 |
48-51 |
24-25 |
12 |
3 |
6 |
2,097,150 |
208-223 |
104-111 |
52-55 |
26-27 |
13 |
4 |
14 |
1,048,574 |
224-239 |
112-119 |
56-59 |
28-29 |
14 |
5 |
30 |
524,286 |
240-255 |
120-127 |
60-63 |
30-31 |
15 |
6 |
62 |
262,142 |
|
128-135 |
64-67 |
32-33 |
16 |
7 |
126 |
131,070 |
|
136-143 |
68-71 |
34-35 |
17 |
8 |
254 |
65,534 |
|
144-151 |
72-75 |
36-37 |
18 |
9 |
510 |
32,766 |
|
152-159 |
76-79 |
38-39 |
19 |
10 |
1,022 |
16,382 |
|
160-167 |
80-83 |
40-41 |
20 |
11 |
2,046 |
8,190 |
|
168-175 |
84-87 |
42-43 |
21 |
12 |
4,094 |
4,094 |
|
176-183 |
88-91 |
44-45 |
22 |
13 |
8,190 |
2,046 |
|
184-191 |
92-95 |
46-47 |
23 |
14 |
16,382 |
1,022 |
|
192-199 |
96-99 |
48-49 |
24 |
15 |
32,766 |
510 |
|
200-207 |
100-103 |
50-51 |
25 |
16 |
65,534 |
254 |
|
208-215 |
104-107 |
52-53 |
26 |
17 |
131,070 |
126 |
|
216-223 |
108-111 |
54-55 |
27 |
18 |
262,142 |
62 |
|
224-231 |
112-115 |
56-57 |
28 |
19 |
524,286 |
30 |
|
232-239 |
116-119 |
58-59 |
29 |
20 |
1,048,574 |
14 |
|
240-247 |
120-123 |
60-61 |
30 |
21 |
2,097,150 |
6 |
|
248-255 |
124-127 |
62-63 |
31 |
22 |
4,194,302 |
2 |
|
|
128-131 |
64-65 |
32 |
23 |
8,388,606 |
0 |
|
|
132-135 |
66-67 |
33 |
24 |
16,777,214 |
1 |
|
|
136-139 |
68-69 |
34 |
|
|
|
|
|
140-143 |
70-71 |
35 |
|
|
|
|
|
144-147 |
72-73 |
36 |
/ |
Subnet Mask |
# of Hosts |
# of Subnets |
148-151 |
74-75 |
37 |
152-155 |
76-77 |
38 |
/8 |
255.0.0.0 |
16,777,214 |
1 |
156-159 |
78-79 |
39 |
/9 |
255.128.0.0 |
8,388,606 |
0 |
160-163 |
80-81 |
40 |
/10 |
255.192.0.0 |
4,194,302 |
2 |
164-167 |
82-83 |
41 |
/11 |
255.224.0.0 |
2,097,150 |
6 |
168-171 |
84-85 |
42 |
/12 |
255.240.0.0 |
1,048,574 |
14 |
172-175 |
86-87 |
43 |
/13 |
255.248.0.0 |
524,286 |
30 |
176-179 |
88-89 |
44 |
/14 |
255.252.0.0 |
262,142 |
62 |
180-183 |
90-91 |
45 |
/15 |
255.254.0.0 |
131,070 |
126 |
184-187 |
92-93 |
46 |
/16 |
255.255.0.0 |
65,534 |
254 |
188-191 |
94-95 |
47 |
/17 |
255.255.128.0 |
32,766 |
510 |
192-195 |
96-97 |
48 |
/18 |
255.255.192.0 |
16,382 |
1,022 |
196-199 |
98-99 |
49 |
/19 |
255.255.224.0 |
8,190 |
2,046 |
200-203 |
100-101 |
50 |
/20 |
255.255.240.0 |
4,094 |
4,094 |
204-207 |
102-103 |
51 |
/21 |
255.255.248.0 |
2,046 |
8,190 |
208-211 |
104-105 |
52 |
/22 |
255.255.252.0 |
1,022 |
16,382 |
212-215 |
106-107 |
53 |
/23 |
255.255.254.0 |
510 |
32,766 |
216-219 |
108-109 |
54 |
/24 |
255.255.255.0 |
254 |
65,534 |
220-223 |
110-111 |
55 |
/25 |
255.255.255.128 |
126 |
131,070 |
224-227 |
112-113 |
56 |
/26 |
255.255.255.192 |
62 |
262,142 |
228-231 |
114-115 |
57 |
/27 |
255.255.255.224 |
30 |
524,286 |
232-235 |
116-117 |
58 |
/28 |
255.255.255.240 |
14 |
1,048,574 |
236-239 |
118-119 |
59 |
/29 |
255.255.255.248 |
6 |
2,097,150 |
240-243 |
120-121 |
60 |
/30 |
255.255.255.252 |
2 |
4,194,302 |
244-247 |
122-123 |
61 |
/31 |
255.255.255.254 |
0 |
8,388,606 |
248-251 |
~~~ |
~~~ |
/32 |
255.255.255.255 |
0 |
16,777,214 |
252-255 |
254-255 |
255 |
|
|
|
|
|
|
|
|