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Subnetting Guide for 172.16.0.0/24

The document describes subnetting of the 172.16.0.0/24 network using various subnet masks. It shows how the network can be divided into multiple subnets with different address ranges and host counts depending on the subnet mask used. Specifically, it demonstrates subnetting the 172.16.0.0 network down to /30 subnets with 6 host addresses each.

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Luis Mdz
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118 views5 pages

Subnetting Guide for 172.16.0.0/24

The document describes subnetting of the 172.16.0.0/24 network using various subnet masks. It shows how the network can be divided into multiple subnets with different address ranges and host counts depending on the subnet mask used. Specifically, it demonstrates subnetting the 172.16.0.0 network down to /30 subnets with 6 host addresses each.

Uploaded by

Luis Mdz
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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172.16.0.0/24 Subnet mask 255.255.255.

0
28 =256 Host
subnet
1

Hosts utilizable: 254

Network
172.16.0.0

256-255=1 Subnets:256
First Usable IP
172.16.0.1

Last Usable IP
172.16.0.254

Broadcast
172.16.0.255

172.16.0.0/25
Subnet mask 255.255.255.128
27 =128 Host
subnet
1
2

Hosts utilizable: 126

Network
172.16.0.0
172.16.0.128

256-128=128 Subnets:
First Usable IP
172.16.0.1
172.16.0.129

512

Last Usable IP
172.16.0.126
172.16.0.254

Broadcast
172.16.0.127
172.16.0.255

172.16.0.0/26
Subnet mask 255.255.255.192
26 =64 Host
subnet
1
2
3
4

Hosts utilizable: 62
Network
172.16.0.0
172.16.0.64
172.16.0.128
172.16.0.192

256-192=64 Subnets:1024
First Usable IP
172.16.0.1
172.16.0.65
172.16.0.129
172.16.0.193

Last Usable IP
172.16.0.62
172.16.0.126
172.16.0.190
172.16.0.254

Broadcast
172.16.0.63
172.16.0.127
172.16.0.191
172.16.0.255

172.16.0.0/27
Subnet mask 255.255.255.224
25 =32 Host
subnet
1
2
3
4
5
6
7
8
172.16.0.0/28
24 =16 Host
subnet
1
2
3
4
5
6
7
8
9
10

Hosts utilizable: 30
Network
172.16.0.0
172.16.0.32
172.16.0.64
172.16.0.96
172.16.0.128
172.16.0.160
172.16.0.192
172.16.0.224

256-224=32 Subnets:2048
First Usable IP
172.16.0.1
172.16.0.33
172.16.0.65
172.16.0.97
172.16.0.129
172.16.0.161
172.16.0.193
172.16.0.225

Last Usable IP
172.16.0.30
172.16.0.62
172.16.0.94
172.16.0.126
172.16.0.158
172.16.0.190
172.16.0.222
172.16.0.254

Broadcast
172.16.0.31
172.16.0.63
172.16.0.95
172.16.0.127
172.16.0.159
172.16.0.191
172.16.0.223
172.16.0.255

Subnet mask 255.255.255.240


Hosts utilizable: 14
Network
172.16.0.0
172.16.0.16
172.16.0.32
172.16.0.48
172.16.0.64
172.16.0.80
172.16.0.96
172.16.0.112
172.16.0.128
172.16.0.144

256-240=16

Subnets:4096

First Usable IP
172.16.0.1
172.16.0.17
172.16.0.33
172.16.0.49
172.16.0.65
172.16.0.81
172.16.0.97
172.16.0.113
172.16.0.129
172.16.0.145

Last Usable IP
172.16.0.14
172.16.0.30
172.16.0.46
172.16.0.62
172.16.0.78
172.16.0.94
172.16.0.110
172.16.0.126
172.16.0.142
172.16.0.158

Broadcast
172.16.0.15
172.16.0.31
172.16.0.46
172.16.0.63
172.16.0.79
172.16.0.95
172.16.0.111
172.16.0.127
172.16.0.143
172.16.0.159

11
12
13
14
15
16

172.16.0.160
172.16.0.176
172.16.0.192
172.16.0.208
172.16.0.224
172.16.0.240

172.16.0.161
172.16.0.177
172.16.0.193
172.16.0.209
172.16.0.225
172.16.0.241

172.16.0.174
172.16.0.190
172.16.0.206
172.16.0.222
172.16.0.238
172.16.0.254

172.16.0.0/29
Subnet mask 255.255.255.248
23 =8 Host
subn
et

Hosts utilizable: 6

256-248=8

Subnets:8192

First Usable
IP

Last Usable
IP

Broadcast

1 172.16.0.0

172.16.0.1

172.16.0.6

172.16.0.7

2 172.16.0.8

172.16.0.9

172.16.0.14

3 172.16.0.16

172.16.0.17

4 172.16.0.24

172.16.0.25

5 172.16.0.32

172.16.0.33

6 172.16.0.40

172.16.0.41

7 172.16.0.48

172.16.0.49

8 172.16.0.56

172.16.0.57

9 172.16.0.64

172.16.0.65

10 172.16.0.72

172.16.0.73

Network

172.16.0.2
2
172.16.0.3
0
172.16.0.3
8
172.16.0.4
6
172.16.0.5
4
172.16.0.6
2
172.16.0.7
0
172.16.0.7
8

172.16.0.15
172.16.0.23
172.16.0.31
172.16.0.39
172.16.0.47
172.16.0.55
172.16.0.63
172.16.0.71
172.16.0.79

11

172.16.0.80 172.16.0.81

172.16.0.86

172.16.0.87

12

172.16.0.88 172.16.0.89

172.16.0.94

172.16.0.95

13

172.16.0.96 172.16.0.97

14

172.16.0.10
4
172.16.0.11
2
172.16.0.12
0
172.16.0.12
8
172.16.0.13
6
172.16.0.14
4
172.16.0.15
2
172.16.0.16
0
172.16.0.16
8

15
16
17
18
19
20
21
22

172.16.0.105
172.16.0.113
172.16.0.121
172.16.0.129
172.16.0.137
172.16.0.145
172.16.0.153
172.16.0.161
172.16.0.169

172.16.0.10
2
172.16.0.11
0
172.16.0.11
8
172.16.0.12
6
172.16.0.13
4
172.16.0.14
2
172.16.0.15
0
172.16.0.15
8
172.16.0.16
6
172.16.0.17
4

172.16.0.103
172.16.0.111
172.16.0.119
172.16.0.127
172.16.0.135
172.16.0.143
172.16.0.151
172.16.0.159
172.16.0.167
172.16.0.175

172.16.0.175
172.16.0.191
172.16.0.207
172.16.0.223
172.16.0.239
172.16.0.255

23
24
25
26
27
28
29
30
31
32

172.16.0.17
6
172.16.0.18
4
172.16.0.19
2
172.16.0.20
0
172.16.0.20
8
172.16.0.21
6
172.16.0.22
4
172.16.0.23
2
172.16.0.24
0
172.16.0.24
8

172.16.0.18
2
172.16.0.19
0
172.16.0.19
8
172.16.0.20
6
172.16.0.21
4
172.16.0.22
2
172.16.0.23
0
172.16.0.23
8
172.16.0.24
6
172.16.0.25
4

172.16.0.177
172.16.0.185
172.16.0.193
172.16.0.201
172.16.0.209
172.16.0.217
172.16.0.225
172.16.0.233
172.16.0.241
172.16.0.249

172.16.0.183
172.16.0.191
172.16.0.199
172.16.0.207
172.16.0.215
172.16.0.223
172.16.0.231
172.16.0.239
172.16.0.247
172.16.0.255

172.16.0.0/30
Subnet mask 255.255.255.252
22 =6 Host
subn
et

Hosts utilizable: 4

256-252=4

Subnets:16384

Network

First Usable
IP

Last Usable
IP

Broadcast

172.16.0.0

172.16.0.1

172.16.0.2

172.16.0.3

172.16.0.4

172.16.0.5

172.16.0.6

172.16.0.7

172.16.0.8

172.16.0.9

172.16.0.10

172.16.0.11

172.16.0.12

172.16.0.13

172.16.0.14

172.16.0.15

172.16.0.16

172.16.0.17

172.16.0.18

172.16.0.19

172.16.0.20

172.16.0.21

172.16.0.22

172.16.0.23

172.16.0.24

172.16.0.25

172.16.0.26

172.16.0.27

172.16.0.28

172.16.0.29

172.16.0.30

172.16.0.31

172.16.0.32

172.16.0.33

172.16.0.34

172.16.0.35

10

172.16.0.36

172.16.0.37

172.16.0.38

172.16.0.39

11

172.16.0.4
0
172.16.0.4
4
172.16.0.4
8
172.16.0.5
2
172.16.0.5
6
172.16.0.6
0

172.16.0.41 172.16.0.42

172.16.0.43

172.16.0.45 172.16.0.46

172.16.0.47

172.16.0.49 172.16.0.50

172.16.0.51

172.16.0.53 172.16.0.54

172.16.0.55

172.16.0.57 172.16.0.58

172.16.0.59

172.16.0.61 172.16.0.62

172.16.0.63

12
13
14
15
16

17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46

172.16.0.6
4
172.16.0.6
8
172.16.0.7
2
172.16.0.7
6
172.16.0.8
0
172.16.0.8
4
172.16.0.8
8
172.16.0.9
2
172.16.0.9
6
172.16.0.1
00
172.16.0.1
04
172.16.0.1
08
172.16.0.1
12
172.16.0.1
16
172.16.0.1
20
172.16.0.1
24
172.16.0.1
28
172.16.0.1
32
172.16.0.1
36
172.16.0.1
40
172.16.0.1
44
172.16.0.1
48
172.16.0.1
52
172.16.0.1
56
172.16.0.1
60
172.16.0.1
64
172.16.0.1
68
172.16.0.1
72
172.16.0.1
76
172.16.0.1
80

172.16.0.65 172.16.0.66

172.16.0.67

172.16.0.69 172.16.0.70

172.16.0.71

172.16.0.73 172.16.0.74

172.16.0.75

172.16.0.77 172.16.0.78

172.16.0.79

172.16.0.81 172.16.0.82

172.16.0.83

172.16.0.85 172.16.0.86

172.16.0.87

172.16.0.89 172.16.0.90

172.16.0.91

172.16.0.93 172.16.0.94

172.16.0.95

172.16.0.97 172.16.0.98

172.16.0.99

172.16.0.1
01
172.16.0.1
05
172.16.0.1
09
172.16.0.1
13
172.16.0.1
17
172.16.0.1
21
172.16.0.1
25
172.16.0.1
29
172.16.0.1
33
172.16.0.1
37
172.16.0.1
41
172.16.0.1
45
172.16.0.1
49
172.16.0.1
53
172.16.0.1
57
172.16.0.1
61
172.16.0.1
65
172.16.0.1
69
172.16.0.1
73
172.16.0.1
77
172.16.0.1
81

172.16.0.10
2
172.16.0.10
6
172.16.0.11
0
172.16.0.11
4
172.16.0.11
8
172.16.0.12
2
172.16.0.12
6
172.16.0.13
0
172.16.0.13
4
172.16.0.13
8
172.16.0.14
2
172.16.0.14
6
172.16.0.15
0
172.16.0.15
4
172.16.0.15
8
172.16.0.16
2
172.16.0.16
6
172.16.0.17
0
172.16.0.17
4
172.16.0.17
8
172.16.0.18
2

172.16.0.103
172.16.0.107
172.16.0.111
172.16.0.115
172.16.0.119
172.16.0.123
172.16.0.127
172.16.0.131
172.16.0.135
172.16.0.139
172.16.0.143
172.16.0.147
172.16.0.151
172.16.0.155
172.16.0.159
172.16.0.163
172.16.0.167
172.16.0.171
172.16.0.175
172.16.0.179
172.16.0.183

47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64

172.16.0.1
84
172.16.0.18
8
172.16.0.19
2
172.16.0.19
6
172.16.0.20
0
172.16.0.20
4
172.16.0.20
8
172.16.0.21
2
172.16.0.21
6
172.16.0.22
0
172.16.0.22
4
172.16.0.22
8
172.16.0.23
2
172.16.0.23
6
172.16.0.24
0
172.16.0.24
4
172.16.0.24
8
172.16.0.25
2

172.16.0.1
85
172.16.0.18
9
172.16.0.19
3
172.16.0.19
7
172.16.0.20
1
172.16.0.20
5
172.16.0.20
9
172.16.0.21
3
172.16.0.21
7
172.16.0.22
1
172.16.0.22
5
172.16.0.22
9
172.16.0.23
3
172.16.0.23
7
172.16.0.24
1
172.16.0.24
5
172.16.0.24
9
172.16.0.25
3

172.16.0.18
6
172.16.0.19
0
172.16.0.19
4
172.16.0.19
8
172.16.0.20
2
172.16.0.20
6
172.16.0.21
0
172.16.0.21
4
172.16.0.21
8
172.16.0.22
2
172.16.0.22
6
172.16.0.23
0
172.16.0.23
4
172.16.0.23
8
172.16.0.24
2
172.16.0.24
6
172.16.0.25
0
172.16.0.25
4

172.16.0.187
172.16.0.191
172.16.0.195
172.16.0.199
172.16.0.203
172.16.0.207
172.16.0.211
172.16.0.215
172.16.0.219
172.16.0.223
172.16.0.227
172.16.0.231
172.16.0.235
172.16.0.239
172.16.0.243
172.16.0.247
172.16.0.251
172.16.0.255

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