Find IP IPv4 Network/Subnet and its host address ranges

What is an IPv4 IP address its network and host address ranges?

An IPv4 IP address is an address used in order to uniquely identify a device on an IP network. The address is made up of 32 binary bits, which can be divisible into a network portion and host portion with the help of a subnet mask. The 32 binary bits are broken into four octets (1 octet = 8 bits). Each octet is converted to decimal and separated by a period (dot).

How to Subnet IPv4? Its simple answer is that subnetting is the process of taking a network and splitting it into smaller networks, known as subnets. It's used to free up more public IPv4 addresses and segment networks for security and easier management.
Following are the ranges of IPv4 subnet/network address and their host addresses.

IPv4 AddressIPv6 Address
144.21.57.1 0:0:0:0:0:ffff:9015:3901
144.21.57.2 0:0:0:0:0:ffff:9015:3902
144.21.57.3 0:0:0:0:0:ffff:9015:3903
144.21.57.4 0:0:0:0:0:ffff:9015:3904
144.21.57.5 0:0:0:0:0:ffff:9015:3905
144.21.57.6 0:0:0:0:0:ffff:9015:3906
144.21.57.7 0:0:0:0:0:ffff:9015:3907
144.21.57.8 0:0:0:0:0:ffff:9015:3908
144.21.57.9 0:0:0:0:0:ffff:9015:3909
144.21.57.10 0:0:0:0:0:ffff:9015:390a
144.21.57.11 0:0:0:0:0:ffff:9015:390b
144.21.57.12 0:0:0:0:0:ffff:9015:390c
144.21.57.13 0:0:0:0:0:ffff:9015:390d
144.21.57.14 0:0:0:0:0:ffff:9015:390e
144.21.57.15 0:0:0:0:0:ffff:9015:390f
144.21.57.16 0:0:0:0:0:ffff:9015:3910
144.21.57.17 0:0:0:0:0:ffff:9015:3911
144.21.57.18 0:0:0:0:0:ffff:9015:3912
144.21.57.19 0:0:0:0:0:ffff:9015:3913
144.21.57.20 0:0:0:0:0:ffff:9015:3914
144.21.57.21 0:0:0:0:0:ffff:9015:3915
144.21.57.22 0:0:0:0:0:ffff:9015:3916
144.21.57.23 0:0:0:0:0:ffff:9015:3917
144.21.57.24 0:0:0:0:0:ffff:9015:3918
144.21.57.25 0:0:0:0:0:ffff:9015:3919
144.21.57.26 0:0:0:0:0:ffff:9015:391a
144.21.57.27 0:0:0:0:0:ffff:9015:391b
144.21.57.28 0:0:0:0:0:ffff:9015:391c
144.21.57.29 0:0:0:0:0:ffff:9015:391d
144.21.57.30 0:0:0:0:0:ffff:9015:391e
144.21.57.31 0:0:0:0:0:ffff:9015:391f
144.21.57.32 0:0:0:0:0:ffff:9015:3920
144.21.57.33 0:0:0:0:0:ffff:9015:3921
144.21.57.34 0:0:0:0:0:ffff:9015:3922
144.21.57.35 0:0:0:0:0:ffff:9015:3923
144.21.57.36 0:0:0:0:0:ffff:9015:3924
144.21.57.37 0:0:0:0:0:ffff:9015:3925
144.21.57.38 0:0:0:0:0:ffff:9015:3926
144.21.57.39 0:0:0:0:0:ffff:9015:3927
144.21.57.40 0:0:0:0:0:ffff:9015:3928
144.21.57.41 0:0:0:0:0:ffff:9015:3929
144.21.57.42 0:0:0:0:0:ffff:9015:392a
144.21.57.43 0:0:0:0:0:ffff:9015:392b
144.21.57.44 0:0:0:0:0:ffff:9015:392c
144.21.57.45 0:0:0:0:0:ffff:9015:392d
144.21.57.46 0:0:0:0:0:ffff:9015:392e
144.21.57.47 0:0:0:0:0:ffff:9015:392f
144.21.57.48 0:0:0:0:0:ffff:9015:3930
144.21.57.49 0:0:0:0:0:ffff:9015:3931
144.21.57.50 0:0:0:0:0:ffff:9015:3932
144.21.57.51 0:0:0:0:0:ffff:9015:3933
144.21.57.52 0:0:0:0:0:ffff:9015:3934
144.21.57.53 0:0:0:0:0:ffff:9015:3935
144.21.57.54 0:0:0:0:0:ffff:9015:3936
144.21.57.55 0:0:0:0:0:ffff:9015:3937
144.21.57.56 0:0:0:0:0:ffff:9015:3938
144.21.57.57 0:0:0:0:0:ffff:9015:3939
144.21.57.58 0:0:0:0:0:ffff:9015:393a
144.21.57.59 0:0:0:0:0:ffff:9015:393b
144.21.57.60 0:0:0:0:0:ffff:9015:393c


144.21.57.61 0:0:0:0:0:ffff:9015:393d
144.21.57.62 0:0:0:0:0:ffff:9015:393e
144.21.57.63 0:0:0:0:0:ffff:9015:393f
144.21.57.64 0:0:0:0:0:ffff:9015:3940
144.21.57.65 0:0:0:0:0:ffff:9015:3941
144.21.57.66 0:0:0:0:0:ffff:9015:3942
144.21.57.67 0:0:0:0:0:ffff:9015:3943
144.21.57.68 0:0:0:0:0:ffff:9015:3944
144.21.57.69 0:0:0:0:0:ffff:9015:3945
144.21.57.70 0:0:0:0:0:ffff:9015:3946
144.21.57.71 0:0:0:0:0:ffff:9015:3947
144.21.57.72 0:0:0:0:0:ffff:9015:3948
144.21.57.73 0:0:0:0:0:ffff:9015:3949
144.21.57.74 0:0:0:0:0:ffff:9015:394a
144.21.57.75 0:0:0:0:0:ffff:9015:394b
144.21.57.76 0:0:0:0:0:ffff:9015:394c
144.21.57.77 0:0:0:0:0:ffff:9015:394d
144.21.57.78 0:0:0:0:0:ffff:9015:394e
144.21.57.79 0:0:0:0:0:ffff:9015:394f
144.21.57.80 0:0:0:0:0:ffff:9015:3950
144.21.57.81 0:0:0:0:0:ffff:9015:3951
144.21.57.82 0:0:0:0:0:ffff:9015:3952
144.21.57.83 0:0:0:0:0:ffff:9015:3953
144.21.57.84 0:0:0:0:0:ffff:9015:3954
144.21.57.85 0:0:0:0:0:ffff:9015:3955
144.21.57.86 0:0:0:0:0:ffff:9015:3956
144.21.57.87 0:0:0:0:0:ffff:9015:3957
144.21.57.88 0:0:0:0:0:ffff:9015:3958
144.21.57.89 0:0:0:0:0:ffff:9015:3959
144.21.57.90 0:0:0:0:0:ffff:9015:395a
144.21.57.91 0:0:0:0:0:ffff:9015:395b
144.21.57.92 0:0:0:0:0:ffff:9015:395c
144.21.57.93 0:0:0:0:0:ffff:9015:395d
144.21.57.94 0:0:0:0:0:ffff:9015:395e
144.21.57.95 0:0:0:0:0:ffff:9015:395f
144.21.57.96 0:0:0:0:0:ffff:9015:3960
144.21.57.97 0:0:0:0:0:ffff:9015:3961
144.21.57.98 0:0:0:0:0:ffff:9015:3962
144.21.57.99 0:0:0:0:0:ffff:9015:3963
144.21.57.100 0:0:0:0:0:ffff:9015:3964
144.21.57.101 0:0:0:0:0:ffff:9015:3965
144.21.57.102 0:0:0:0:0:ffff:9015:3966
144.21.57.103 0:0:0:0:0:ffff:9015:3967
144.21.57.104 0:0:0:0:0:ffff:9015:3968
144.21.57.105 0:0:0:0:0:ffff:9015:3969
144.21.57.106 0:0:0:0:0:ffff:9015:396a
144.21.57.107 0:0:0:0:0:ffff:9015:396b
144.21.57.108 0:0:0:0:0:ffff:9015:396c
144.21.57.109 0:0:0:0:0:ffff:9015:396d
144.21.57.110 0:0:0:0:0:ffff:9015:396e
144.21.57.111 0:0:0:0:0:ffff:9015:396f
144.21.57.112 0:0:0:0:0:ffff:9015:3970
144.21.57.113 0:0:0:0:0:ffff:9015:3971
144.21.57.114 0:0:0:0:0:ffff:9015:3972
144.21.57.115 0:0:0:0:0:ffff:9015:3973
144.21.57.116 0:0:0:0:0:ffff:9015:3974
144.21.57.117 0:0:0:0:0:ffff:9015:3975
144.21.57.118 0:0:0:0:0:ffff:9015:3976
144.21.57.119 0:0:0:0:0:ffff:9015:3977
144.21.57.120 0:0:0:0:0:ffff:9015:3978


144.21.57.121 0:0:0:0:0:ffff:9015:3979
144.21.57.122 0:0:0:0:0:ffff:9015:397a
144.21.57.123 0:0:0:0:0:ffff:9015:397b
144.21.57.124 0:0:0:0:0:ffff:9015:397c
144.21.57.125 0:0:0:0:0:ffff:9015:397d
144.21.57.126 0:0:0:0:0:ffff:9015:397e
144.21.57.127 0:0:0:0:0:ffff:9015:397f
144.21.57.128 0:0:0:0:0:ffff:9015:3980
144.21.57.129 0:0:0:0:0:ffff:9015:3981
144.21.57.130 0:0:0:0:0:ffff:9015:3982
144.21.57.131 0:0:0:0:0:ffff:9015:3983
144.21.57.132 0:0:0:0:0:ffff:9015:3984
144.21.57.133 0:0:0:0:0:ffff:9015:3985
144.21.57.134 0:0:0:0:0:ffff:9015:3986
144.21.57.135 0:0:0:0:0:ffff:9015:3987
144.21.57.136 0:0:0:0:0:ffff:9015:3988
144.21.57.137 0:0:0:0:0:ffff:9015:3989
144.21.57.138 0:0:0:0:0:ffff:9015:398a
144.21.57.139 0:0:0:0:0:ffff:9015:398b
144.21.57.140 0:0:0:0:0:ffff:9015:398c
144.21.57.141 0:0:0:0:0:ffff:9015:398d
144.21.57.142 0:0:0:0:0:ffff:9015:398e
144.21.57.143 0:0:0:0:0:ffff:9015:398f
144.21.57.144 0:0:0:0:0:ffff:9015:3990
144.21.57.145 0:0:0:0:0:ffff:9015:3991
144.21.57.146 0:0:0:0:0:ffff:9015:3992
144.21.57.147 0:0:0:0:0:ffff:9015:3993
144.21.57.148 0:0:0:0:0:ffff:9015:3994
144.21.57.149 0:0:0:0:0:ffff:9015:3995
144.21.57.150 0:0:0:0:0:ffff:9015:3996
144.21.57.151 0:0:0:0:0:ffff:9015:3997
144.21.57.152 0:0:0:0:0:ffff:9015:3998
144.21.57.153 0:0:0:0:0:ffff:9015:3999
144.21.57.154 0:0:0:0:0:ffff:9015:399a
144.21.57.155 0:0:0:0:0:ffff:9015:399b
144.21.57.156 0:0:0:0:0:ffff:9015:399c
144.21.57.157 0:0:0:0:0:ffff:9015:399d
144.21.57.158 0:0:0:0:0:ffff:9015:399e
144.21.57.159 0:0:0:0:0:ffff:9015:399f
144.21.57.160 0:0:0:0:0:ffff:9015:39a0
144.21.57.161 0:0:0:0:0:ffff:9015:39a1
144.21.57.162 0:0:0:0:0:ffff:9015:39a2
144.21.57.163 0:0:0:0:0:ffff:9015:39a3
144.21.57.164 0:0:0:0:0:ffff:9015:39a4
144.21.57.165 0:0:0:0:0:ffff:9015:39a5
144.21.57.166 0:0:0:0:0:ffff:9015:39a6
144.21.57.167 0:0:0:0:0:ffff:9015:39a7
144.21.57.168 0:0:0:0:0:ffff:9015:39a8
144.21.57.169 0:0:0:0:0:ffff:9015:39a9
144.21.57.170 0:0:0:0:0:ffff:9015:39aa
144.21.57.171 0:0:0:0:0:ffff:9015:39ab
144.21.57.172 0:0:0:0:0:ffff:9015:39ac
144.21.57.173 0:0:0:0:0:ffff:9015:39ad
144.21.57.174 0:0:0:0:0:ffff:9015:39ae
144.21.57.175 0:0:0:0:0:ffff:9015:39af
144.21.57.176 0:0:0:0:0:ffff:9015:39b0
144.21.57.177 0:0:0:0:0:ffff:9015:39b1
144.21.57.178 0:0:0:0:0:ffff:9015:39b2
144.21.57.179 0:0:0:0:0:ffff:9015:39b3
144.21.57.180 0:0:0:0:0:ffff:9015:39b4


144.21.57.181 0:0:0:0:0:ffff:9015:39b5
144.21.57.182 0:0:0:0:0:ffff:9015:39b6
144.21.57.183 0:0:0:0:0:ffff:9015:39b7
144.21.57.184 0:0:0:0:0:ffff:9015:39b8
144.21.57.185 0:0:0:0:0:ffff:9015:39b9
144.21.57.186 0:0:0:0:0:ffff:9015:39ba
144.21.57.187 0:0:0:0:0:ffff:9015:39bb
144.21.57.188 0:0:0:0:0:ffff:9015:39bc
144.21.57.189 0:0:0:0:0:ffff:9015:39bd
144.21.57.190 0:0:0:0:0:ffff:9015:39be
144.21.57.191 0:0:0:0:0:ffff:9015:39bf
144.21.57.192 0:0:0:0:0:ffff:9015:39c0
144.21.57.193 0:0:0:0:0:ffff:9015:39c1
144.21.57.194 0:0:0:0:0:ffff:9015:39c2
144.21.57.195 0:0:0:0:0:ffff:9015:39c3
144.21.57.196 0:0:0:0:0:ffff:9015:39c4
144.21.57.197 0:0:0:0:0:ffff:9015:39c5
144.21.57.198 0:0:0:0:0:ffff:9015:39c6
144.21.57.199 0:0:0:0:0:ffff:9015:39c7
144.21.57.200 0:0:0:0:0:ffff:9015:39c8
144.21.57.201 0:0:0:0:0:ffff:9015:39c9
144.21.57.202 0:0:0:0:0:ffff:9015:39ca
144.21.57.203 0:0:0:0:0:ffff:9015:39cb
144.21.57.204 0:0:0:0:0:ffff:9015:39cc
144.21.57.205 0:0:0:0:0:ffff:9015:39cd
144.21.57.206 0:0:0:0:0:ffff:9015:39ce
144.21.57.207 0:0:0:0:0:ffff:9015:39cf
144.21.57.208 0:0:0:0:0:ffff:9015:39d0
144.21.57.209 0:0:0:0:0:ffff:9015:39d1
144.21.57.210 0:0:0:0:0:ffff:9015:39d2
144.21.57.211 0:0:0:0:0:ffff:9015:39d3
144.21.57.212 0:0:0:0:0:ffff:9015:39d4
144.21.57.213 0:0:0:0:0:ffff:9015:39d5
144.21.57.214 0:0:0:0:0:ffff:9015:39d6
144.21.57.215 0:0:0:0:0:ffff:9015:39d7
144.21.57.216 0:0:0:0:0:ffff:9015:39d8
144.21.57.217 0:0:0:0:0:ffff:9015:39d9
144.21.57.218 0:0:0:0:0:ffff:9015:39da
144.21.57.219 0:0:0:0:0:ffff:9015:39db
144.21.57.220 0:0:0:0:0:ffff:9015:39dc
144.21.57.221 0:0:0:0:0:ffff:9015:39dd
144.21.57.222 0:0:0:0:0:ffff:9015:39de
144.21.57.223 0:0:0:0:0:ffff:9015:39df
144.21.57.224 0:0:0:0:0:ffff:9015:39e0
144.21.57.225 0:0:0:0:0:ffff:9015:39e1
144.21.57.226 0:0:0:0:0:ffff:9015:39e2
144.21.57.227 0:0:0:0:0:ffff:9015:39e3
144.21.57.228 0:0:0:0:0:ffff:9015:39e4
144.21.57.229 0:0:0:0:0:ffff:9015:39e5
144.21.57.230 0:0:0:0:0:ffff:9015:39e6
144.21.57.231 0:0:0:0:0:ffff:9015:39e7
144.21.57.232 0:0:0:0:0:ffff:9015:39e8
144.21.57.233 0:0:0:0:0:ffff:9015:39e9
144.21.57.234 0:0:0:0:0:ffff:9015:39ea
144.21.57.235 0:0:0:0:0:ffff:9015:39eb
144.21.57.236 0:0:0:0:0:ffff:9015:39ec
144.21.57.237 0:0:0:0:0:ffff:9015:39ed
144.21.57.238 0:0:0:0:0:ffff:9015:39ee
144.21.57.239 0:0:0:0:0:ffff:9015:39ef
144.21.57.240 0:0:0:0:0:ffff:9015:39f0
144.21.57.241 0:0:0:0:0:ffff:9015:39f1
144.21.57.242 0:0:0:0:0:ffff:9015:39f2
144.21.57.243 0:0:0:0:0:ffff:9015:39f3
144.21.57.244 0:0:0:0:0:ffff:9015:39f4
144.21.57.245 0:0:0:0:0:ffff:9015:39f5
144.21.57.246 0:0:0:0:0:ffff:9015:39f6
144.21.57.247 0:0:0:0:0:ffff:9015:39f7
144.21.57.248 0:0:0:0:0:ffff:9015:39f8
144.21.57.249 0:0:0:0:0:ffff:9015:39f9
144.21.57.250 0:0:0:0:0:ffff:9015:39fa
144.21.57.251 0:0:0:0:0:ffff:9015:39fb
144.21.57.252 0:0:0:0:0:ffff:9015:39fc
144.21.57.253 0:0:0:0:0:ffff:9015:39fd
144.21.57.254 0:0:0:0:0:ffff:9015:39fe
144.21.57.255 0:0:0:0:0:ffff:9015:39ff


How we got IPv4 subnet masks?

An IPv4 subnet mask consists of 32 bits; it is a sequence of ones (1) followed by a block of zeros (0). The ones indicate bits in the address used for the network prefix and the trailing block of zeros designates that part as being the host identifier.