Subnetting Chart

 

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

 

JohnyLuky has written 54 articles

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