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
143.243.57.1 0:0:0:0:0:ffff:8ff3:3901
143.243.57.2 0:0:0:0:0:ffff:8ff3:3902
143.243.57.3 0:0:0:0:0:ffff:8ff3:3903
143.243.57.4 0:0:0:0:0:ffff:8ff3:3904
143.243.57.5 0:0:0:0:0:ffff:8ff3:3905
143.243.57.6 0:0:0:0:0:ffff:8ff3:3906
143.243.57.7 0:0:0:0:0:ffff:8ff3:3907
143.243.57.8 0:0:0:0:0:ffff:8ff3:3908
143.243.57.9 0:0:0:0:0:ffff:8ff3:3909
143.243.57.10 0:0:0:0:0:ffff:8ff3:390a
143.243.57.11 0:0:0:0:0:ffff:8ff3:390b
143.243.57.12 0:0:0:0:0:ffff:8ff3:390c
143.243.57.13 0:0:0:0:0:ffff:8ff3:390d
143.243.57.14 0:0:0:0:0:ffff:8ff3:390e
143.243.57.15 0:0:0:0:0:ffff:8ff3:390f
143.243.57.16 0:0:0:0:0:ffff:8ff3:3910
143.243.57.17 0:0:0:0:0:ffff:8ff3:3911
143.243.57.18 0:0:0:0:0:ffff:8ff3:3912
143.243.57.19 0:0:0:0:0:ffff:8ff3:3913
143.243.57.20 0:0:0:0:0:ffff:8ff3:3914
143.243.57.21 0:0:0:0:0:ffff:8ff3:3915
143.243.57.22 0:0:0:0:0:ffff:8ff3:3916
143.243.57.23 0:0:0:0:0:ffff:8ff3:3917
143.243.57.24 0:0:0:0:0:ffff:8ff3:3918
143.243.57.25 0:0:0:0:0:ffff:8ff3:3919
143.243.57.26 0:0:0:0:0:ffff:8ff3:391a
143.243.57.27 0:0:0:0:0:ffff:8ff3:391b
143.243.57.28 0:0:0:0:0:ffff:8ff3:391c
143.243.57.29 0:0:0:0:0:ffff:8ff3:391d
143.243.57.30 0:0:0:0:0:ffff:8ff3:391e
143.243.57.31 0:0:0:0:0:ffff:8ff3:391f
143.243.57.32 0:0:0:0:0:ffff:8ff3:3920
143.243.57.33 0:0:0:0:0:ffff:8ff3:3921
143.243.57.34 0:0:0:0:0:ffff:8ff3:3922
143.243.57.35 0:0:0:0:0:ffff:8ff3:3923
143.243.57.36 0:0:0:0:0:ffff:8ff3:3924
143.243.57.37 0:0:0:0:0:ffff:8ff3:3925
143.243.57.38 0:0:0:0:0:ffff:8ff3:3926
143.243.57.39 0:0:0:0:0:ffff:8ff3:3927
143.243.57.40 0:0:0:0:0:ffff:8ff3:3928
143.243.57.41 0:0:0:0:0:ffff:8ff3:3929
143.243.57.42 0:0:0:0:0:ffff:8ff3:392a
143.243.57.43 0:0:0:0:0:ffff:8ff3:392b
143.243.57.44 0:0:0:0:0:ffff:8ff3:392c
143.243.57.45 0:0:0:0:0:ffff:8ff3:392d
143.243.57.46 0:0:0:0:0:ffff:8ff3:392e
143.243.57.47 0:0:0:0:0:ffff:8ff3:392f
143.243.57.48 0:0:0:0:0:ffff:8ff3:3930
143.243.57.49 0:0:0:0:0:ffff:8ff3:3931
143.243.57.50 0:0:0:0:0:ffff:8ff3:3932
143.243.57.51 0:0:0:0:0:ffff:8ff3:3933
143.243.57.52 0:0:0:0:0:ffff:8ff3:3934
143.243.57.53 0:0:0:0:0:ffff:8ff3:3935
143.243.57.54 0:0:0:0:0:ffff:8ff3:3936
143.243.57.55 0:0:0:0:0:ffff:8ff3:3937
143.243.57.56 0:0:0:0:0:ffff:8ff3:3938
143.243.57.57 0:0:0:0:0:ffff:8ff3:3939
143.243.57.58 0:0:0:0:0:ffff:8ff3:393a
143.243.57.59 0:0:0:0:0:ffff:8ff3:393b
143.243.57.60 0:0:0:0:0:ffff:8ff3:393c


143.243.57.61 0:0:0:0:0:ffff:8ff3:393d
143.243.57.62 0:0:0:0:0:ffff:8ff3:393e
143.243.57.63 0:0:0:0:0:ffff:8ff3:393f
143.243.57.64 0:0:0:0:0:ffff:8ff3:3940
143.243.57.65 0:0:0:0:0:ffff:8ff3:3941
143.243.57.66 0:0:0:0:0:ffff:8ff3:3942
143.243.57.67 0:0:0:0:0:ffff:8ff3:3943
143.243.57.68 0:0:0:0:0:ffff:8ff3:3944
143.243.57.69 0:0:0:0:0:ffff:8ff3:3945
143.243.57.70 0:0:0:0:0:ffff:8ff3:3946
143.243.57.71 0:0:0:0:0:ffff:8ff3:3947
143.243.57.72 0:0:0:0:0:ffff:8ff3:3948
143.243.57.73 0:0:0:0:0:ffff:8ff3:3949
143.243.57.74 0:0:0:0:0:ffff:8ff3:394a
143.243.57.75 0:0:0:0:0:ffff:8ff3:394b
143.243.57.76 0:0:0:0:0:ffff:8ff3:394c
143.243.57.77 0:0:0:0:0:ffff:8ff3:394d
143.243.57.78 0:0:0:0:0:ffff:8ff3:394e
143.243.57.79 0:0:0:0:0:ffff:8ff3:394f
143.243.57.80 0:0:0:0:0:ffff:8ff3:3950
143.243.57.81 0:0:0:0:0:ffff:8ff3:3951
143.243.57.82 0:0:0:0:0:ffff:8ff3:3952
143.243.57.83 0:0:0:0:0:ffff:8ff3:3953
143.243.57.84 0:0:0:0:0:ffff:8ff3:3954
143.243.57.85 0:0:0:0:0:ffff:8ff3:3955
143.243.57.86 0:0:0:0:0:ffff:8ff3:3956
143.243.57.87 0:0:0:0:0:ffff:8ff3:3957
143.243.57.88 0:0:0:0:0:ffff:8ff3:3958
143.243.57.89 0:0:0:0:0:ffff:8ff3:3959
143.243.57.90 0:0:0:0:0:ffff:8ff3:395a
143.243.57.91 0:0:0:0:0:ffff:8ff3:395b
143.243.57.92 0:0:0:0:0:ffff:8ff3:395c
143.243.57.93 0:0:0:0:0:ffff:8ff3:395d
143.243.57.94 0:0:0:0:0:ffff:8ff3:395e
143.243.57.95 0:0:0:0:0:ffff:8ff3:395f
143.243.57.96 0:0:0:0:0:ffff:8ff3:3960
143.243.57.97 0:0:0:0:0:ffff:8ff3:3961
143.243.57.98 0:0:0:0:0:ffff:8ff3:3962
143.243.57.99 0:0:0:0:0:ffff:8ff3:3963
143.243.57.100 0:0:0:0:0:ffff:8ff3:3964
143.243.57.101 0:0:0:0:0:ffff:8ff3:3965
143.243.57.102 0:0:0:0:0:ffff:8ff3:3966
143.243.57.103 0:0:0:0:0:ffff:8ff3:3967
143.243.57.104 0:0:0:0:0:ffff:8ff3:3968
143.243.57.105 0:0:0:0:0:ffff:8ff3:3969
143.243.57.106 0:0:0:0:0:ffff:8ff3:396a
143.243.57.107 0:0:0:0:0:ffff:8ff3:396b
143.243.57.108 0:0:0:0:0:ffff:8ff3:396c
143.243.57.109 0:0:0:0:0:ffff:8ff3:396d
143.243.57.110 0:0:0:0:0:ffff:8ff3:396e
143.243.57.111 0:0:0:0:0:ffff:8ff3:396f
143.243.57.112 0:0:0:0:0:ffff:8ff3:3970
143.243.57.113 0:0:0:0:0:ffff:8ff3:3971
143.243.57.114 0:0:0:0:0:ffff:8ff3:3972
143.243.57.115 0:0:0:0:0:ffff:8ff3:3973
143.243.57.116 0:0:0:0:0:ffff:8ff3:3974
143.243.57.117 0:0:0:0:0:ffff:8ff3:3975
143.243.57.118 0:0:0:0:0:ffff:8ff3:3976
143.243.57.119 0:0:0:0:0:ffff:8ff3:3977
143.243.57.120 0:0:0:0:0:ffff:8ff3:3978


143.243.57.121 0:0:0:0:0:ffff:8ff3:3979
143.243.57.122 0:0:0:0:0:ffff:8ff3:397a
143.243.57.123 0:0:0:0:0:ffff:8ff3:397b
143.243.57.124 0:0:0:0:0:ffff:8ff3:397c
143.243.57.125 0:0:0:0:0:ffff:8ff3:397d
143.243.57.126 0:0:0:0:0:ffff:8ff3:397e
143.243.57.127 0:0:0:0:0:ffff:8ff3:397f
143.243.57.128 0:0:0:0:0:ffff:8ff3:3980
143.243.57.129 0:0:0:0:0:ffff:8ff3:3981
143.243.57.130 0:0:0:0:0:ffff:8ff3:3982
143.243.57.131 0:0:0:0:0:ffff:8ff3:3983
143.243.57.132 0:0:0:0:0:ffff:8ff3:3984
143.243.57.133 0:0:0:0:0:ffff:8ff3:3985
143.243.57.134 0:0:0:0:0:ffff:8ff3:3986
143.243.57.135 0:0:0:0:0:ffff:8ff3:3987
143.243.57.136 0:0:0:0:0:ffff:8ff3:3988
143.243.57.137 0:0:0:0:0:ffff:8ff3:3989
143.243.57.138 0:0:0:0:0:ffff:8ff3:398a
143.243.57.139 0:0:0:0:0:ffff:8ff3:398b
143.243.57.140 0:0:0:0:0:ffff:8ff3:398c
143.243.57.141 0:0:0:0:0:ffff:8ff3:398d
143.243.57.142 0:0:0:0:0:ffff:8ff3:398e
143.243.57.143 0:0:0:0:0:ffff:8ff3:398f
143.243.57.144 0:0:0:0:0:ffff:8ff3:3990
143.243.57.145 0:0:0:0:0:ffff:8ff3:3991
143.243.57.146 0:0:0:0:0:ffff:8ff3:3992
143.243.57.147 0:0:0:0:0:ffff:8ff3:3993
143.243.57.148 0:0:0:0:0:ffff:8ff3:3994
143.243.57.149 0:0:0:0:0:ffff:8ff3:3995
143.243.57.150 0:0:0:0:0:ffff:8ff3:3996
143.243.57.151 0:0:0:0:0:ffff:8ff3:3997
143.243.57.152 0:0:0:0:0:ffff:8ff3:3998
143.243.57.153 0:0:0:0:0:ffff:8ff3:3999
143.243.57.154 0:0:0:0:0:ffff:8ff3:399a
143.243.57.155 0:0:0:0:0:ffff:8ff3:399b
143.243.57.156 0:0:0:0:0:ffff:8ff3:399c
143.243.57.157 0:0:0:0:0:ffff:8ff3:399d
143.243.57.158 0:0:0:0:0:ffff:8ff3:399e
143.243.57.159 0:0:0:0:0:ffff:8ff3:399f
143.243.57.160 0:0:0:0:0:ffff:8ff3:39a0
143.243.57.161 0:0:0:0:0:ffff:8ff3:39a1
143.243.57.162 0:0:0:0:0:ffff:8ff3:39a2
143.243.57.163 0:0:0:0:0:ffff:8ff3:39a3
143.243.57.164 0:0:0:0:0:ffff:8ff3:39a4
143.243.57.165 0:0:0:0:0:ffff:8ff3:39a5
143.243.57.166 0:0:0:0:0:ffff:8ff3:39a6
143.243.57.167 0:0:0:0:0:ffff:8ff3:39a7
143.243.57.168 0:0:0:0:0:ffff:8ff3:39a8
143.243.57.169 0:0:0:0:0:ffff:8ff3:39a9
143.243.57.170 0:0:0:0:0:ffff:8ff3:39aa
143.243.57.171 0:0:0:0:0:ffff:8ff3:39ab
143.243.57.172 0:0:0:0:0:ffff:8ff3:39ac
143.243.57.173 0:0:0:0:0:ffff:8ff3:39ad
143.243.57.174 0:0:0:0:0:ffff:8ff3:39ae
143.243.57.175 0:0:0:0:0:ffff:8ff3:39af
143.243.57.176 0:0:0:0:0:ffff:8ff3:39b0
143.243.57.177 0:0:0:0:0:ffff:8ff3:39b1
143.243.57.178 0:0:0:0:0:ffff:8ff3:39b2
143.243.57.179 0:0:0:0:0:ffff:8ff3:39b3
143.243.57.180 0:0:0:0:0:ffff:8ff3:39b4


143.243.57.181 0:0:0:0:0:ffff:8ff3:39b5
143.243.57.182 0:0:0:0:0:ffff:8ff3:39b6
143.243.57.183 0:0:0:0:0:ffff:8ff3:39b7
143.243.57.184 0:0:0:0:0:ffff:8ff3:39b8
143.243.57.185 0:0:0:0:0:ffff:8ff3:39b9
143.243.57.186 0:0:0:0:0:ffff:8ff3:39ba
143.243.57.187 0:0:0:0:0:ffff:8ff3:39bb
143.243.57.188 0:0:0:0:0:ffff:8ff3:39bc
143.243.57.189 0:0:0:0:0:ffff:8ff3:39bd
143.243.57.190 0:0:0:0:0:ffff:8ff3:39be
143.243.57.191 0:0:0:0:0:ffff:8ff3:39bf
143.243.57.192 0:0:0:0:0:ffff:8ff3:39c0
143.243.57.193 0:0:0:0:0:ffff:8ff3:39c1
143.243.57.194 0:0:0:0:0:ffff:8ff3:39c2
143.243.57.195 0:0:0:0:0:ffff:8ff3:39c3
143.243.57.196 0:0:0:0:0:ffff:8ff3:39c4
143.243.57.197 0:0:0:0:0:ffff:8ff3:39c5
143.243.57.198 0:0:0:0:0:ffff:8ff3:39c6
143.243.57.199 0:0:0:0:0:ffff:8ff3:39c7
143.243.57.200 0:0:0:0:0:ffff:8ff3:39c8
143.243.57.201 0:0:0:0:0:ffff:8ff3:39c9
143.243.57.202 0:0:0:0:0:ffff:8ff3:39ca
143.243.57.203 0:0:0:0:0:ffff:8ff3:39cb
143.243.57.204 0:0:0:0:0:ffff:8ff3:39cc
143.243.57.205 0:0:0:0:0:ffff:8ff3:39cd
143.243.57.206 0:0:0:0:0:ffff:8ff3:39ce
143.243.57.207 0:0:0:0:0:ffff:8ff3:39cf
143.243.57.208 0:0:0:0:0:ffff:8ff3:39d0
143.243.57.209 0:0:0:0:0:ffff:8ff3:39d1
143.243.57.210 0:0:0:0:0:ffff:8ff3:39d2
143.243.57.211 0:0:0:0:0:ffff:8ff3:39d3
143.243.57.212 0:0:0:0:0:ffff:8ff3:39d4
143.243.57.213 0:0:0:0:0:ffff:8ff3:39d5
143.243.57.214 0:0:0:0:0:ffff:8ff3:39d6
143.243.57.215 0:0:0:0:0:ffff:8ff3:39d7
143.243.57.216 0:0:0:0:0:ffff:8ff3:39d8
143.243.57.217 0:0:0:0:0:ffff:8ff3:39d9
143.243.57.218 0:0:0:0:0:ffff:8ff3:39da
143.243.57.219 0:0:0:0:0:ffff:8ff3:39db
143.243.57.220 0:0:0:0:0:ffff:8ff3:39dc
143.243.57.221 0:0:0:0:0:ffff:8ff3:39dd
143.243.57.222 0:0:0:0:0:ffff:8ff3:39de
143.243.57.223 0:0:0:0:0:ffff:8ff3:39df
143.243.57.224 0:0:0:0:0:ffff:8ff3:39e0
143.243.57.225 0:0:0:0:0:ffff:8ff3:39e1
143.243.57.226 0:0:0:0:0:ffff:8ff3:39e2
143.243.57.227 0:0:0:0:0:ffff:8ff3:39e3
143.243.57.228 0:0:0:0:0:ffff:8ff3:39e4
143.243.57.229 0:0:0:0:0:ffff:8ff3:39e5
143.243.57.230 0:0:0:0:0:ffff:8ff3:39e6
143.243.57.231 0:0:0:0:0:ffff:8ff3:39e7
143.243.57.232 0:0:0:0:0:ffff:8ff3:39e8
143.243.57.233 0:0:0:0:0:ffff:8ff3:39e9
143.243.57.234 0:0:0:0:0:ffff:8ff3:39ea
143.243.57.235 0:0:0:0:0:ffff:8ff3:39eb
143.243.57.236 0:0:0:0:0:ffff:8ff3:39ec
143.243.57.237 0:0:0:0:0:ffff:8ff3:39ed
143.243.57.238 0:0:0:0:0:ffff:8ff3:39ee
143.243.57.239 0:0:0:0:0:ffff:8ff3:39ef
143.243.57.240 0:0:0:0:0:ffff:8ff3:39f0
143.243.57.241 0:0:0:0:0:ffff:8ff3:39f1
143.243.57.242 0:0:0:0:0:ffff:8ff3:39f2
143.243.57.243 0:0:0:0:0:ffff:8ff3:39f3
143.243.57.244 0:0:0:0:0:ffff:8ff3:39f4
143.243.57.245 0:0:0:0:0:ffff:8ff3:39f5
143.243.57.246 0:0:0:0:0:ffff:8ff3:39f6
143.243.57.247 0:0:0:0:0:ffff:8ff3:39f7
143.243.57.248 0:0:0:0:0:ffff:8ff3:39f8
143.243.57.249 0:0:0:0:0:ffff:8ff3:39f9
143.243.57.250 0:0:0:0:0:ffff:8ff3:39fa
143.243.57.251 0:0:0:0:0:ffff:8ff3:39fb
143.243.57.252 0:0:0:0:0:ffff:8ff3:39fc
143.243.57.253 0:0:0:0:0:ffff:8ff3:39fd
143.243.57.254 0:0:0:0:0:ffff:8ff3:39fe
143.243.57.255 0:0:0:0:0:ffff:8ff3:39ff


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.