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
199.145.57.1 0:0:0:0:0:ffff:c791:3901
199.145.57.2 0:0:0:0:0:ffff:c791:3902
199.145.57.3 0:0:0:0:0:ffff:c791:3903
199.145.57.4 0:0:0:0:0:ffff:c791:3904
199.145.57.5 0:0:0:0:0:ffff:c791:3905
199.145.57.6 0:0:0:0:0:ffff:c791:3906
199.145.57.7 0:0:0:0:0:ffff:c791:3907
199.145.57.8 0:0:0:0:0:ffff:c791:3908
199.145.57.9 0:0:0:0:0:ffff:c791:3909
199.145.57.10 0:0:0:0:0:ffff:c791:390a
199.145.57.11 0:0:0:0:0:ffff:c791:390b
199.145.57.12 0:0:0:0:0:ffff:c791:390c
199.145.57.13 0:0:0:0:0:ffff:c791:390d
199.145.57.14 0:0:0:0:0:ffff:c791:390e
199.145.57.15 0:0:0:0:0:ffff:c791:390f
199.145.57.16 0:0:0:0:0:ffff:c791:3910
199.145.57.17 0:0:0:0:0:ffff:c791:3911
199.145.57.18 0:0:0:0:0:ffff:c791:3912
199.145.57.19 0:0:0:0:0:ffff:c791:3913
199.145.57.20 0:0:0:0:0:ffff:c791:3914
199.145.57.21 0:0:0:0:0:ffff:c791:3915
199.145.57.22 0:0:0:0:0:ffff:c791:3916
199.145.57.23 0:0:0:0:0:ffff:c791:3917
199.145.57.24 0:0:0:0:0:ffff:c791:3918
199.145.57.25 0:0:0:0:0:ffff:c791:3919
199.145.57.26 0:0:0:0:0:ffff:c791:391a
199.145.57.27 0:0:0:0:0:ffff:c791:391b
199.145.57.28 0:0:0:0:0:ffff:c791:391c
199.145.57.29 0:0:0:0:0:ffff:c791:391d
199.145.57.30 0:0:0:0:0:ffff:c791:391e
199.145.57.31 0:0:0:0:0:ffff:c791:391f
199.145.57.32 0:0:0:0:0:ffff:c791:3920
199.145.57.33 0:0:0:0:0:ffff:c791:3921
199.145.57.34 0:0:0:0:0:ffff:c791:3922
199.145.57.35 0:0:0:0:0:ffff:c791:3923
199.145.57.36 0:0:0:0:0:ffff:c791:3924
199.145.57.37 0:0:0:0:0:ffff:c791:3925
199.145.57.38 0:0:0:0:0:ffff:c791:3926
199.145.57.39 0:0:0:0:0:ffff:c791:3927
199.145.57.40 0:0:0:0:0:ffff:c791:3928
199.145.57.41 0:0:0:0:0:ffff:c791:3929
199.145.57.42 0:0:0:0:0:ffff:c791:392a
199.145.57.43 0:0:0:0:0:ffff:c791:392b
199.145.57.44 0:0:0:0:0:ffff:c791:392c
199.145.57.45 0:0:0:0:0:ffff:c791:392d
199.145.57.46 0:0:0:0:0:ffff:c791:392e
199.145.57.47 0:0:0:0:0:ffff:c791:392f
199.145.57.48 0:0:0:0:0:ffff:c791:3930
199.145.57.49 0:0:0:0:0:ffff:c791:3931
199.145.57.50 0:0:0:0:0:ffff:c791:3932
199.145.57.51 0:0:0:0:0:ffff:c791:3933
199.145.57.52 0:0:0:0:0:ffff:c791:3934
199.145.57.53 0:0:0:0:0:ffff:c791:3935
199.145.57.54 0:0:0:0:0:ffff:c791:3936
199.145.57.55 0:0:0:0:0:ffff:c791:3937
199.145.57.56 0:0:0:0:0:ffff:c791:3938
199.145.57.57 0:0:0:0:0:ffff:c791:3939
199.145.57.58 0:0:0:0:0:ffff:c791:393a
199.145.57.59 0:0:0:0:0:ffff:c791:393b
199.145.57.60 0:0:0:0:0:ffff:c791:393c


199.145.57.61 0:0:0:0:0:ffff:c791:393d
199.145.57.62 0:0:0:0:0:ffff:c791:393e
199.145.57.63 0:0:0:0:0:ffff:c791:393f
199.145.57.64 0:0:0:0:0:ffff:c791:3940
199.145.57.65 0:0:0:0:0:ffff:c791:3941
199.145.57.66 0:0:0:0:0:ffff:c791:3942
199.145.57.67 0:0:0:0:0:ffff:c791:3943
199.145.57.68 0:0:0:0:0:ffff:c791:3944
199.145.57.69 0:0:0:0:0:ffff:c791:3945
199.145.57.70 0:0:0:0:0:ffff:c791:3946
199.145.57.71 0:0:0:0:0:ffff:c791:3947
199.145.57.72 0:0:0:0:0:ffff:c791:3948
199.145.57.73 0:0:0:0:0:ffff:c791:3949
199.145.57.74 0:0:0:0:0:ffff:c791:394a
199.145.57.75 0:0:0:0:0:ffff:c791:394b
199.145.57.76 0:0:0:0:0:ffff:c791:394c
199.145.57.77 0:0:0:0:0:ffff:c791:394d
199.145.57.78 0:0:0:0:0:ffff:c791:394e
199.145.57.79 0:0:0:0:0:ffff:c791:394f
199.145.57.80 0:0:0:0:0:ffff:c791:3950
199.145.57.81 0:0:0:0:0:ffff:c791:3951
199.145.57.82 0:0:0:0:0:ffff:c791:3952
199.145.57.83 0:0:0:0:0:ffff:c791:3953
199.145.57.84 0:0:0:0:0:ffff:c791:3954
199.145.57.85 0:0:0:0:0:ffff:c791:3955
199.145.57.86 0:0:0:0:0:ffff:c791:3956
199.145.57.87 0:0:0:0:0:ffff:c791:3957
199.145.57.88 0:0:0:0:0:ffff:c791:3958
199.145.57.89 0:0:0:0:0:ffff:c791:3959
199.145.57.90 0:0:0:0:0:ffff:c791:395a
199.145.57.91 0:0:0:0:0:ffff:c791:395b
199.145.57.92 0:0:0:0:0:ffff:c791:395c
199.145.57.93 0:0:0:0:0:ffff:c791:395d
199.145.57.94 0:0:0:0:0:ffff:c791:395e
199.145.57.95 0:0:0:0:0:ffff:c791:395f
199.145.57.96 0:0:0:0:0:ffff:c791:3960
199.145.57.97 0:0:0:0:0:ffff:c791:3961
199.145.57.98 0:0:0:0:0:ffff:c791:3962
199.145.57.99 0:0:0:0:0:ffff:c791:3963
199.145.57.100 0:0:0:0:0:ffff:c791:3964
199.145.57.101 0:0:0:0:0:ffff:c791:3965
199.145.57.102 0:0:0:0:0:ffff:c791:3966
199.145.57.103 0:0:0:0:0:ffff:c791:3967
199.145.57.104 0:0:0:0:0:ffff:c791:3968
199.145.57.105 0:0:0:0:0:ffff:c791:3969
199.145.57.106 0:0:0:0:0:ffff:c791:396a
199.145.57.107 0:0:0:0:0:ffff:c791:396b
199.145.57.108 0:0:0:0:0:ffff:c791:396c
199.145.57.109 0:0:0:0:0:ffff:c791:396d
199.145.57.110 0:0:0:0:0:ffff:c791:396e
199.145.57.111 0:0:0:0:0:ffff:c791:396f
199.145.57.112 0:0:0:0:0:ffff:c791:3970
199.145.57.113 0:0:0:0:0:ffff:c791:3971
199.145.57.114 0:0:0:0:0:ffff:c791:3972
199.145.57.115 0:0:0:0:0:ffff:c791:3973
199.145.57.116 0:0:0:0:0:ffff:c791:3974
199.145.57.117 0:0:0:0:0:ffff:c791:3975
199.145.57.118 0:0:0:0:0:ffff:c791:3976
199.145.57.119 0:0:0:0:0:ffff:c791:3977
199.145.57.120 0:0:0:0:0:ffff:c791:3978


199.145.57.121 0:0:0:0:0:ffff:c791:3979
199.145.57.122 0:0:0:0:0:ffff:c791:397a
199.145.57.123 0:0:0:0:0:ffff:c791:397b
199.145.57.124 0:0:0:0:0:ffff:c791:397c
199.145.57.125 0:0:0:0:0:ffff:c791:397d
199.145.57.126 0:0:0:0:0:ffff:c791:397e
199.145.57.127 0:0:0:0:0:ffff:c791:397f
199.145.57.128 0:0:0:0:0:ffff:c791:3980
199.145.57.129 0:0:0:0:0:ffff:c791:3981
199.145.57.130 0:0:0:0:0:ffff:c791:3982
199.145.57.131 0:0:0:0:0:ffff:c791:3983
199.145.57.132 0:0:0:0:0:ffff:c791:3984
199.145.57.133 0:0:0:0:0:ffff:c791:3985
199.145.57.134 0:0:0:0:0:ffff:c791:3986
199.145.57.135 0:0:0:0:0:ffff:c791:3987
199.145.57.136 0:0:0:0:0:ffff:c791:3988
199.145.57.137 0:0:0:0:0:ffff:c791:3989
199.145.57.138 0:0:0:0:0:ffff:c791:398a
199.145.57.139 0:0:0:0:0:ffff:c791:398b
199.145.57.140 0:0:0:0:0:ffff:c791:398c
199.145.57.141 0:0:0:0:0:ffff:c791:398d
199.145.57.142 0:0:0:0:0:ffff:c791:398e
199.145.57.143 0:0:0:0:0:ffff:c791:398f
199.145.57.144 0:0:0:0:0:ffff:c791:3990
199.145.57.145 0:0:0:0:0:ffff:c791:3991
199.145.57.146 0:0:0:0:0:ffff:c791:3992
199.145.57.147 0:0:0:0:0:ffff:c791:3993
199.145.57.148 0:0:0:0:0:ffff:c791:3994
199.145.57.149 0:0:0:0:0:ffff:c791:3995
199.145.57.150 0:0:0:0:0:ffff:c791:3996
199.145.57.151 0:0:0:0:0:ffff:c791:3997
199.145.57.152 0:0:0:0:0:ffff:c791:3998
199.145.57.153 0:0:0:0:0:ffff:c791:3999
199.145.57.154 0:0:0:0:0:ffff:c791:399a
199.145.57.155 0:0:0:0:0:ffff:c791:399b
199.145.57.156 0:0:0:0:0:ffff:c791:399c
199.145.57.157 0:0:0:0:0:ffff:c791:399d
199.145.57.158 0:0:0:0:0:ffff:c791:399e
199.145.57.159 0:0:0:0:0:ffff:c791:399f
199.145.57.160 0:0:0:0:0:ffff:c791:39a0
199.145.57.161 0:0:0:0:0:ffff:c791:39a1
199.145.57.162 0:0:0:0:0:ffff:c791:39a2
199.145.57.163 0:0:0:0:0:ffff:c791:39a3
199.145.57.164 0:0:0:0:0:ffff:c791:39a4
199.145.57.165 0:0:0:0:0:ffff:c791:39a5
199.145.57.166 0:0:0:0:0:ffff:c791:39a6
199.145.57.167 0:0:0:0:0:ffff:c791:39a7
199.145.57.168 0:0:0:0:0:ffff:c791:39a8
199.145.57.169 0:0:0:0:0:ffff:c791:39a9
199.145.57.170 0:0:0:0:0:ffff:c791:39aa
199.145.57.171 0:0:0:0:0:ffff:c791:39ab
199.145.57.172 0:0:0:0:0:ffff:c791:39ac
199.145.57.173 0:0:0:0:0:ffff:c791:39ad
199.145.57.174 0:0:0:0:0:ffff:c791:39ae
199.145.57.175 0:0:0:0:0:ffff:c791:39af
199.145.57.176 0:0:0:0:0:ffff:c791:39b0
199.145.57.177 0:0:0:0:0:ffff:c791:39b1
199.145.57.178 0:0:0:0:0:ffff:c791:39b2
199.145.57.179 0:0:0:0:0:ffff:c791:39b3
199.145.57.180 0:0:0:0:0:ffff:c791:39b4


199.145.57.181 0:0:0:0:0:ffff:c791:39b5
199.145.57.182 0:0:0:0:0:ffff:c791:39b6
199.145.57.183 0:0:0:0:0:ffff:c791:39b7
199.145.57.184 0:0:0:0:0:ffff:c791:39b8
199.145.57.185 0:0:0:0:0:ffff:c791:39b9
199.145.57.186 0:0:0:0:0:ffff:c791:39ba
199.145.57.187 0:0:0:0:0:ffff:c791:39bb
199.145.57.188 0:0:0:0:0:ffff:c791:39bc
199.145.57.189 0:0:0:0:0:ffff:c791:39bd
199.145.57.190 0:0:0:0:0:ffff:c791:39be
199.145.57.191 0:0:0:0:0:ffff:c791:39bf
199.145.57.192 0:0:0:0:0:ffff:c791:39c0
199.145.57.193 0:0:0:0:0:ffff:c791:39c1
199.145.57.194 0:0:0:0:0:ffff:c791:39c2
199.145.57.195 0:0:0:0:0:ffff:c791:39c3
199.145.57.196 0:0:0:0:0:ffff:c791:39c4
199.145.57.197 0:0:0:0:0:ffff:c791:39c5
199.145.57.198 0:0:0:0:0:ffff:c791:39c6
199.145.57.199 0:0:0:0:0:ffff:c791:39c7
199.145.57.200 0:0:0:0:0:ffff:c791:39c8
199.145.57.201 0:0:0:0:0:ffff:c791:39c9
199.145.57.202 0:0:0:0:0:ffff:c791:39ca
199.145.57.203 0:0:0:0:0:ffff:c791:39cb
199.145.57.204 0:0:0:0:0:ffff:c791:39cc
199.145.57.205 0:0:0:0:0:ffff:c791:39cd
199.145.57.206 0:0:0:0:0:ffff:c791:39ce
199.145.57.207 0:0:0:0:0:ffff:c791:39cf
199.145.57.208 0:0:0:0:0:ffff:c791:39d0
199.145.57.209 0:0:0:0:0:ffff:c791:39d1
199.145.57.210 0:0:0:0:0:ffff:c791:39d2
199.145.57.211 0:0:0:0:0:ffff:c791:39d3
199.145.57.212 0:0:0:0:0:ffff:c791:39d4
199.145.57.213 0:0:0:0:0:ffff:c791:39d5
199.145.57.214 0:0:0:0:0:ffff:c791:39d6
199.145.57.215 0:0:0:0:0:ffff:c791:39d7
199.145.57.216 0:0:0:0:0:ffff:c791:39d8
199.145.57.217 0:0:0:0:0:ffff:c791:39d9
199.145.57.218 0:0:0:0:0:ffff:c791:39da
199.145.57.219 0:0:0:0:0:ffff:c791:39db
199.145.57.220 0:0:0:0:0:ffff:c791:39dc
199.145.57.221 0:0:0:0:0:ffff:c791:39dd
199.145.57.222 0:0:0:0:0:ffff:c791:39de
199.145.57.223 0:0:0:0:0:ffff:c791:39df
199.145.57.224 0:0:0:0:0:ffff:c791:39e0
199.145.57.225 0:0:0:0:0:ffff:c791:39e1
199.145.57.226 0:0:0:0:0:ffff:c791:39e2
199.145.57.227 0:0:0:0:0:ffff:c791:39e3
199.145.57.228 0:0:0:0:0:ffff:c791:39e4
199.145.57.229 0:0:0:0:0:ffff:c791:39e5
199.145.57.230 0:0:0:0:0:ffff:c791:39e6
199.145.57.231 0:0:0:0:0:ffff:c791:39e7
199.145.57.232 0:0:0:0:0:ffff:c791:39e8
199.145.57.233 0:0:0:0:0:ffff:c791:39e9
199.145.57.234 0:0:0:0:0:ffff:c791:39ea
199.145.57.235 0:0:0:0:0:ffff:c791:39eb
199.145.57.236 0:0:0:0:0:ffff:c791:39ec
199.145.57.237 0:0:0:0:0:ffff:c791:39ed
199.145.57.238 0:0:0:0:0:ffff:c791:39ee
199.145.57.239 0:0:0:0:0:ffff:c791:39ef
199.145.57.240 0:0:0:0:0:ffff:c791:39f0
199.145.57.241 0:0:0:0:0:ffff:c791:39f1
199.145.57.242 0:0:0:0:0:ffff:c791:39f2
199.145.57.243 0:0:0:0:0:ffff:c791:39f3
199.145.57.244 0:0:0:0:0:ffff:c791:39f4
199.145.57.245 0:0:0:0:0:ffff:c791:39f5
199.145.57.246 0:0:0:0:0:ffff:c791:39f6
199.145.57.247 0:0:0:0:0:ffff:c791:39f7
199.145.57.248 0:0:0:0:0:ffff:c791:39f8
199.145.57.249 0:0:0:0:0:ffff:c791:39f9
199.145.57.250 0:0:0:0:0:ffff:c791:39fa
199.145.57.251 0:0:0:0:0:ffff:c791:39fb
199.145.57.252 0:0:0:0:0:ffff:c791:39fc
199.145.57.253 0:0:0:0:0:ffff:c791:39fd
199.145.57.254 0:0:0:0:0:ffff:c791:39fe
199.145.57.255 0:0:0:0:0:ffff:c791:39ff


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.