Subnet Table For IPv4 Cheat Sheet
by
danh
via
Subnet Range - Class A
Subnet Range - Class C
Type
Hosts
Netm a sk
Hex Value
Type
Hosts
Netm a sk
Hex Value
/1
2048 M
128.0.0.0
80.00.0 0 .00
/17
32 K
255.25 5 .128.0
FF.FF.8 0 .00
/2
1024 M
192.0.0.0
C0.00.0 0 .00
/18
16 K
255.25 5 .192.0
FF.FF.C 0 .0
0
/3
512 M
224.0.0.0
E0.00.0 0 .00
/19
8 K
255.25 5 .224.0
FF.FF.E 0 .00
/4
256 M
240.0.0.0
F0.00.0 0 .00
/20
4 K
255.25 5 .240.0
FF.FF.F 0 .00
/5
128 M
248.0.0.0
F8.00.0 0 .00
/21
2 K
255.25 5 .248.0
FF.FF.F 8 .00
/6
64 M
252.0.0.0
FC.00.0 0 .00
/22
1 K
255.25 5 .252.0
FF.FF.F C .0
/7
32 M
254.0.0.0
FE.00.0 0 .00
0
/8
16 M
255.0.0.0
FF.00.0 0 .00
/23
512
255.25 5 .254.0
FF.FF.F E .0
0
Subnet Range - Class B
/24
256
255.25 5 .255.0
FF.FF.F F .0
Type
Host
Netm a sk
Hex Value
0
/9
8 M
255.12 8 .0.0
FF.80.0 0 .00
/25
128
255.25 5 .2 5 5.128 FF.FF.F F .8
0
/10
4 M
255.19 2 .0.0
FF.C0.0 0 .00
/26
64
255.25 5 .2 5 5.192 FF.FF.F F .C
/11
2 M
255.22 4 .0.0
FF.E0.0 0 .00
0
/12
1024 K
255.24 0 .0.0
FF.F0.0 0 .00
/27
32
255.25 5 .2 5 5.224 FF.FF.F F .E
/13
512 K
255.24 8 .0.0
FF.F8.0 0 .00
0
/14
256 K
255.25 2 .0.0
FF.FC.0 0 .00
/28
16
255.25 5 .2 5 5.240 FF.FF.F F .F
/15
128 K
255.25 4 .0.0
FF.FE.0 0 .00
0
/16
64 K
255.25 5 .0.0
FF.FF.0 0 .00
/29
8
255.25 5 .2 5 5.248 FF.FF.F F .F
8
/30
4
255.25 5 .2 5 5.252 FF.FF.F F .F
C
/31
2
255.25 5 .2 5 5.254 FF.FF.F F .F
E
/32
1
255.25 5 .2 5 5.255 FF.FF.F F .F
F
By danh
Published 14th January, 2012.
Sponsored by
Last updated 5th June, 2014.
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