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
200.18.56.1 0:0:0:0:0:ffff:c812:3801
200.18.56.2 0:0:0:0:0:ffff:c812:3802
200.18.56.3 0:0:0:0:0:ffff:c812:3803
200.18.56.4 0:0:0:0:0:ffff:c812:3804
200.18.56.5 0:0:0:0:0:ffff:c812:3805
200.18.56.6 0:0:0:0:0:ffff:c812:3806
200.18.56.7 0:0:0:0:0:ffff:c812:3807
200.18.56.8 0:0:0:0:0:ffff:c812:3808
200.18.56.9 0:0:0:0:0:ffff:c812:3809
200.18.56.10 0:0:0:0:0:ffff:c812:380a
200.18.56.11 0:0:0:0:0:ffff:c812:380b
200.18.56.12 0:0:0:0:0:ffff:c812:380c
200.18.56.13 0:0:0:0:0:ffff:c812:380d
200.18.56.14 0:0:0:0:0:ffff:c812:380e
200.18.56.15 0:0:0:0:0:ffff:c812:380f
200.18.56.16 0:0:0:0:0:ffff:c812:3810
200.18.56.17 0:0:0:0:0:ffff:c812:3811
200.18.56.18 0:0:0:0:0:ffff:c812:3812
200.18.56.19 0:0:0:0:0:ffff:c812:3813
200.18.56.20 0:0:0:0:0:ffff:c812:3814
200.18.56.21 0:0:0:0:0:ffff:c812:3815
200.18.56.22 0:0:0:0:0:ffff:c812:3816
200.18.56.23 0:0:0:0:0:ffff:c812:3817
200.18.56.24 0:0:0:0:0:ffff:c812:3818
200.18.56.25 0:0:0:0:0:ffff:c812:3819
200.18.56.26 0:0:0:0:0:ffff:c812:381a
200.18.56.27 0:0:0:0:0:ffff:c812:381b
200.18.56.28 0:0:0:0:0:ffff:c812:381c
200.18.56.29 0:0:0:0:0:ffff:c812:381d
200.18.56.30 0:0:0:0:0:ffff:c812:381e
200.18.56.31 0:0:0:0:0:ffff:c812:381f
200.18.56.32 0:0:0:0:0:ffff:c812:3820
200.18.56.33 0:0:0:0:0:ffff:c812:3821
200.18.56.34 0:0:0:0:0:ffff:c812:3822
200.18.56.35 0:0:0:0:0:ffff:c812:3823
200.18.56.36 0:0:0:0:0:ffff:c812:3824
200.18.56.37 0:0:0:0:0:ffff:c812:3825
200.18.56.38 0:0:0:0:0:ffff:c812:3826
200.18.56.39 0:0:0:0:0:ffff:c812:3827
200.18.56.40 0:0:0:0:0:ffff:c812:3828
200.18.56.41 0:0:0:0:0:ffff:c812:3829
200.18.56.42 0:0:0:0:0:ffff:c812:382a
200.18.56.43 0:0:0:0:0:ffff:c812:382b
200.18.56.44 0:0:0:0:0:ffff:c812:382c
200.18.56.45 0:0:0:0:0:ffff:c812:382d
200.18.56.46 0:0:0:0:0:ffff:c812:382e
200.18.56.47 0:0:0:0:0:ffff:c812:382f
200.18.56.48 0:0:0:0:0:ffff:c812:3830
200.18.56.49 0:0:0:0:0:ffff:c812:3831
200.18.56.50 0:0:0:0:0:ffff:c812:3832
200.18.56.51 0:0:0:0:0:ffff:c812:3833
200.18.56.52 0:0:0:0:0:ffff:c812:3834
200.18.56.53 0:0:0:0:0:ffff:c812:3835
200.18.56.54 0:0:0:0:0:ffff:c812:3836
200.18.56.55 0:0:0:0:0:ffff:c812:3837
200.18.56.56 0:0:0:0:0:ffff:c812:3838
200.18.56.57 0:0:0:0:0:ffff:c812:3839
200.18.56.58 0:0:0:0:0:ffff:c812:383a
200.18.56.59 0:0:0:0:0:ffff:c812:383b
200.18.56.60 0:0:0:0:0:ffff:c812:383c


200.18.56.61 0:0:0:0:0:ffff:c812:383d
200.18.56.62 0:0:0:0:0:ffff:c812:383e
200.18.56.63 0:0:0:0:0:ffff:c812:383f
200.18.56.64 0:0:0:0:0:ffff:c812:3840
200.18.56.65 0:0:0:0:0:ffff:c812:3841
200.18.56.66 0:0:0:0:0:ffff:c812:3842
200.18.56.67 0:0:0:0:0:ffff:c812:3843
200.18.56.68 0:0:0:0:0:ffff:c812:3844
200.18.56.69 0:0:0:0:0:ffff:c812:3845
200.18.56.70 0:0:0:0:0:ffff:c812:3846
200.18.56.71 0:0:0:0:0:ffff:c812:3847
200.18.56.72 0:0:0:0:0:ffff:c812:3848
200.18.56.73 0:0:0:0:0:ffff:c812:3849
200.18.56.74 0:0:0:0:0:ffff:c812:384a
200.18.56.75 0:0:0:0:0:ffff:c812:384b
200.18.56.76 0:0:0:0:0:ffff:c812:384c
200.18.56.77 0:0:0:0:0:ffff:c812:384d
200.18.56.78 0:0:0:0:0:ffff:c812:384e
200.18.56.79 0:0:0:0:0:ffff:c812:384f
200.18.56.80 0:0:0:0:0:ffff:c812:3850
200.18.56.81 0:0:0:0:0:ffff:c812:3851
200.18.56.82 0:0:0:0:0:ffff:c812:3852
200.18.56.83 0:0:0:0:0:ffff:c812:3853
200.18.56.84 0:0:0:0:0:ffff:c812:3854
200.18.56.85 0:0:0:0:0:ffff:c812:3855
200.18.56.86 0:0:0:0:0:ffff:c812:3856
200.18.56.87 0:0:0:0:0:ffff:c812:3857
200.18.56.88 0:0:0:0:0:ffff:c812:3858
200.18.56.89 0:0:0:0:0:ffff:c812:3859
200.18.56.90 0:0:0:0:0:ffff:c812:385a
200.18.56.91 0:0:0:0:0:ffff:c812:385b
200.18.56.92 0:0:0:0:0:ffff:c812:385c
200.18.56.93 0:0:0:0:0:ffff:c812:385d
200.18.56.94 0:0:0:0:0:ffff:c812:385e
200.18.56.95 0:0:0:0:0:ffff:c812:385f
200.18.56.96 0:0:0:0:0:ffff:c812:3860
200.18.56.97 0:0:0:0:0:ffff:c812:3861
200.18.56.98 0:0:0:0:0:ffff:c812:3862
200.18.56.99 0:0:0:0:0:ffff:c812:3863
200.18.56.100 0:0:0:0:0:ffff:c812:3864
200.18.56.101 0:0:0:0:0:ffff:c812:3865
200.18.56.102 0:0:0:0:0:ffff:c812:3866
200.18.56.103 0:0:0:0:0:ffff:c812:3867
200.18.56.104 0:0:0:0:0:ffff:c812:3868
200.18.56.105 0:0:0:0:0:ffff:c812:3869
200.18.56.106 0:0:0:0:0:ffff:c812:386a
200.18.56.107 0:0:0:0:0:ffff:c812:386b
200.18.56.108 0:0:0:0:0:ffff:c812:386c
200.18.56.109 0:0:0:0:0:ffff:c812:386d
200.18.56.110 0:0:0:0:0:ffff:c812:386e
200.18.56.111 0:0:0:0:0:ffff:c812:386f
200.18.56.112 0:0:0:0:0:ffff:c812:3870
200.18.56.113 0:0:0:0:0:ffff:c812:3871
200.18.56.114 0:0:0:0:0:ffff:c812:3872
200.18.56.115 0:0:0:0:0:ffff:c812:3873
200.18.56.116 0:0:0:0:0:ffff:c812:3874
200.18.56.117 0:0:0:0:0:ffff:c812:3875
200.18.56.118 0:0:0:0:0:ffff:c812:3876
200.18.56.119 0:0:0:0:0:ffff:c812:3877
200.18.56.120 0:0:0:0:0:ffff:c812:3878


200.18.56.121 0:0:0:0:0:ffff:c812:3879
200.18.56.122 0:0:0:0:0:ffff:c812:387a
200.18.56.123 0:0:0:0:0:ffff:c812:387b
200.18.56.124 0:0:0:0:0:ffff:c812:387c
200.18.56.125 0:0:0:0:0:ffff:c812:387d
200.18.56.126 0:0:0:0:0:ffff:c812:387e
200.18.56.127 0:0:0:0:0:ffff:c812:387f
200.18.56.128 0:0:0:0:0:ffff:c812:3880
200.18.56.129 0:0:0:0:0:ffff:c812:3881
200.18.56.130 0:0:0:0:0:ffff:c812:3882
200.18.56.131 0:0:0:0:0:ffff:c812:3883
200.18.56.132 0:0:0:0:0:ffff:c812:3884
200.18.56.133 0:0:0:0:0:ffff:c812:3885
200.18.56.134 0:0:0:0:0:ffff:c812:3886
200.18.56.135 0:0:0:0:0:ffff:c812:3887
200.18.56.136 0:0:0:0:0:ffff:c812:3888
200.18.56.137 0:0:0:0:0:ffff:c812:3889
200.18.56.138 0:0:0:0:0:ffff:c812:388a
200.18.56.139 0:0:0:0:0:ffff:c812:388b
200.18.56.140 0:0:0:0:0:ffff:c812:388c
200.18.56.141 0:0:0:0:0:ffff:c812:388d
200.18.56.142 0:0:0:0:0:ffff:c812:388e
200.18.56.143 0:0:0:0:0:ffff:c812:388f
200.18.56.144 0:0:0:0:0:ffff:c812:3890
200.18.56.145 0:0:0:0:0:ffff:c812:3891
200.18.56.146 0:0:0:0:0:ffff:c812:3892
200.18.56.147 0:0:0:0:0:ffff:c812:3893
200.18.56.148 0:0:0:0:0:ffff:c812:3894
200.18.56.149 0:0:0:0:0:ffff:c812:3895
200.18.56.150 0:0:0:0:0:ffff:c812:3896
200.18.56.151 0:0:0:0:0:ffff:c812:3897
200.18.56.152 0:0:0:0:0:ffff:c812:3898
200.18.56.153 0:0:0:0:0:ffff:c812:3899
200.18.56.154 0:0:0:0:0:ffff:c812:389a
200.18.56.155 0:0:0:0:0:ffff:c812:389b
200.18.56.156 0:0:0:0:0:ffff:c812:389c
200.18.56.157 0:0:0:0:0:ffff:c812:389d
200.18.56.158 0:0:0:0:0:ffff:c812:389e
200.18.56.159 0:0:0:0:0:ffff:c812:389f
200.18.56.160 0:0:0:0:0:ffff:c812:38a0
200.18.56.161 0:0:0:0:0:ffff:c812:38a1
200.18.56.162 0:0:0:0:0:ffff:c812:38a2
200.18.56.163 0:0:0:0:0:ffff:c812:38a3
200.18.56.164 0:0:0:0:0:ffff:c812:38a4
200.18.56.165 0:0:0:0:0:ffff:c812:38a5
200.18.56.166 0:0:0:0:0:ffff:c812:38a6
200.18.56.167 0:0:0:0:0:ffff:c812:38a7
200.18.56.168 0:0:0:0:0:ffff:c812:38a8
200.18.56.169 0:0:0:0:0:ffff:c812:38a9
200.18.56.170 0:0:0:0:0:ffff:c812:38aa
200.18.56.171 0:0:0:0:0:ffff:c812:38ab
200.18.56.172 0:0:0:0:0:ffff:c812:38ac
200.18.56.173 0:0:0:0:0:ffff:c812:38ad
200.18.56.174 0:0:0:0:0:ffff:c812:38ae
200.18.56.175 0:0:0:0:0:ffff:c812:38af
200.18.56.176 0:0:0:0:0:ffff:c812:38b0
200.18.56.177 0:0:0:0:0:ffff:c812:38b1
200.18.56.178 0:0:0:0:0:ffff:c812:38b2
200.18.56.179 0:0:0:0:0:ffff:c812:38b3
200.18.56.180 0:0:0:0:0:ffff:c812:38b4


200.18.56.181 0:0:0:0:0:ffff:c812:38b5
200.18.56.182 0:0:0:0:0:ffff:c812:38b6
200.18.56.183 0:0:0:0:0:ffff:c812:38b7
200.18.56.184 0:0:0:0:0:ffff:c812:38b8
200.18.56.185 0:0:0:0:0:ffff:c812:38b9
200.18.56.186 0:0:0:0:0:ffff:c812:38ba
200.18.56.187 0:0:0:0:0:ffff:c812:38bb
200.18.56.188 0:0:0:0:0:ffff:c812:38bc
200.18.56.189 0:0:0:0:0:ffff:c812:38bd
200.18.56.190 0:0:0:0:0:ffff:c812:38be
200.18.56.191 0:0:0:0:0:ffff:c812:38bf
200.18.56.192 0:0:0:0:0:ffff:c812:38c0
200.18.56.193 0:0:0:0:0:ffff:c812:38c1
200.18.56.194 0:0:0:0:0:ffff:c812:38c2
200.18.56.195 0:0:0:0:0:ffff:c812:38c3
200.18.56.196 0:0:0:0:0:ffff:c812:38c4
200.18.56.197 0:0:0:0:0:ffff:c812:38c5
200.18.56.198 0:0:0:0:0:ffff:c812:38c6
200.18.56.199 0:0:0:0:0:ffff:c812:38c7
200.18.56.200 0:0:0:0:0:ffff:c812:38c8
200.18.56.201 0:0:0:0:0:ffff:c812:38c9
200.18.56.202 0:0:0:0:0:ffff:c812:38ca
200.18.56.203 0:0:0:0:0:ffff:c812:38cb
200.18.56.204 0:0:0:0:0:ffff:c812:38cc
200.18.56.205 0:0:0:0:0:ffff:c812:38cd
200.18.56.206 0:0:0:0:0:ffff:c812:38ce
200.18.56.207 0:0:0:0:0:ffff:c812:38cf
200.18.56.208 0:0:0:0:0:ffff:c812:38d0
200.18.56.209 0:0:0:0:0:ffff:c812:38d1
200.18.56.210 0:0:0:0:0:ffff:c812:38d2
200.18.56.211 0:0:0:0:0:ffff:c812:38d3
200.18.56.212 0:0:0:0:0:ffff:c812:38d4
200.18.56.213 0:0:0:0:0:ffff:c812:38d5
200.18.56.214 0:0:0:0:0:ffff:c812:38d6
200.18.56.215 0:0:0:0:0:ffff:c812:38d7
200.18.56.216 0:0:0:0:0:ffff:c812:38d8
200.18.56.217 0:0:0:0:0:ffff:c812:38d9
200.18.56.218 0:0:0:0:0:ffff:c812:38da
200.18.56.219 0:0:0:0:0:ffff:c812:38db
200.18.56.220 0:0:0:0:0:ffff:c812:38dc
200.18.56.221 0:0:0:0:0:ffff:c812:38dd
200.18.56.222 0:0:0:0:0:ffff:c812:38de
200.18.56.223 0:0:0:0:0:ffff:c812:38df
200.18.56.224 0:0:0:0:0:ffff:c812:38e0
200.18.56.225 0:0:0:0:0:ffff:c812:38e1
200.18.56.226 0:0:0:0:0:ffff:c812:38e2
200.18.56.227 0:0:0:0:0:ffff:c812:38e3
200.18.56.228 0:0:0:0:0:ffff:c812:38e4
200.18.56.229 0:0:0:0:0:ffff:c812:38e5
200.18.56.230 0:0:0:0:0:ffff:c812:38e6
200.18.56.231 0:0:0:0:0:ffff:c812:38e7
200.18.56.232 0:0:0:0:0:ffff:c812:38e8
200.18.56.233 0:0:0:0:0:ffff:c812:38e9
200.18.56.234 0:0:0:0:0:ffff:c812:38ea
200.18.56.235 0:0:0:0:0:ffff:c812:38eb
200.18.56.236 0:0:0:0:0:ffff:c812:38ec
200.18.56.237 0:0:0:0:0:ffff:c812:38ed
200.18.56.238 0:0:0:0:0:ffff:c812:38ee
200.18.56.239 0:0:0:0:0:ffff:c812:38ef
200.18.56.240 0:0:0:0:0:ffff:c812:38f0
200.18.56.241 0:0:0:0:0:ffff:c812:38f1
200.18.56.242 0:0:0:0:0:ffff:c812:38f2
200.18.56.243 0:0:0:0:0:ffff:c812:38f3
200.18.56.244 0:0:0:0:0:ffff:c812:38f4
200.18.56.245 0:0:0:0:0:ffff:c812:38f5
200.18.56.246 0:0:0:0:0:ffff:c812:38f6
200.18.56.247 0:0:0:0:0:ffff:c812:38f7
200.18.56.248 0:0:0:0:0:ffff:c812:38f8
200.18.56.249 0:0:0:0:0:ffff:c812:38f9
200.18.56.250 0:0:0:0:0:ffff:c812:38fa
200.18.56.251 0:0:0:0:0:ffff:c812:38fb
200.18.56.252 0:0:0:0:0:ffff:c812:38fc
200.18.56.253 0:0:0:0:0:ffff:c812:38fd
200.18.56.254 0:0:0:0:0:ffff:c812:38fe
200.18.56.255 0:0:0:0:0:ffff:c812:38ff


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.