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
3.123.200.1 0:0:0:0:0:ffff:37b:c801
3.123.200.2 0:0:0:0:0:ffff:37b:c802
3.123.200.3 0:0:0:0:0:ffff:37b:c803
3.123.200.4 0:0:0:0:0:ffff:37b:c804
3.123.200.5 0:0:0:0:0:ffff:37b:c805
3.123.200.6 0:0:0:0:0:ffff:37b:c806
3.123.200.7 0:0:0:0:0:ffff:37b:c807
3.123.200.8 0:0:0:0:0:ffff:37b:c808
3.123.200.9 0:0:0:0:0:ffff:37b:c809
3.123.200.10 0:0:0:0:0:ffff:37b:c80a
3.123.200.11 0:0:0:0:0:ffff:37b:c80b
3.123.200.12 0:0:0:0:0:ffff:37b:c80c
3.123.200.13 0:0:0:0:0:ffff:37b:c80d
3.123.200.14 0:0:0:0:0:ffff:37b:c80e
3.123.200.15 0:0:0:0:0:ffff:37b:c80f
3.123.200.16 0:0:0:0:0:ffff:37b:c810
3.123.200.17 0:0:0:0:0:ffff:37b:c811
3.123.200.18 0:0:0:0:0:ffff:37b:c812
3.123.200.19 0:0:0:0:0:ffff:37b:c813
3.123.200.20 0:0:0:0:0:ffff:37b:c814
3.123.200.21 0:0:0:0:0:ffff:37b:c815
3.123.200.22 0:0:0:0:0:ffff:37b:c816
3.123.200.23 0:0:0:0:0:ffff:37b:c817
3.123.200.24 0:0:0:0:0:ffff:37b:c818
3.123.200.25 0:0:0:0:0:ffff:37b:c819
3.123.200.26 0:0:0:0:0:ffff:37b:c81a
3.123.200.27 0:0:0:0:0:ffff:37b:c81b
3.123.200.28 0:0:0:0:0:ffff:37b:c81c
3.123.200.29 0:0:0:0:0:ffff:37b:c81d
3.123.200.30 0:0:0:0:0:ffff:37b:c81e
3.123.200.31 0:0:0:0:0:ffff:37b:c81f
3.123.200.32 0:0:0:0:0:ffff:37b:c820
3.123.200.33 0:0:0:0:0:ffff:37b:c821
3.123.200.34 0:0:0:0:0:ffff:37b:c822
3.123.200.35 0:0:0:0:0:ffff:37b:c823
3.123.200.36 0:0:0:0:0:ffff:37b:c824
3.123.200.37 0:0:0:0:0:ffff:37b:c825
3.123.200.38 0:0:0:0:0:ffff:37b:c826
3.123.200.39 0:0:0:0:0:ffff:37b:c827
3.123.200.40 0:0:0:0:0:ffff:37b:c828
3.123.200.41 0:0:0:0:0:ffff:37b:c829
3.123.200.42 0:0:0:0:0:ffff:37b:c82a
3.123.200.43 0:0:0:0:0:ffff:37b:c82b
3.123.200.44 0:0:0:0:0:ffff:37b:c82c
3.123.200.45 0:0:0:0:0:ffff:37b:c82d
3.123.200.46 0:0:0:0:0:ffff:37b:c82e
3.123.200.47 0:0:0:0:0:ffff:37b:c82f
3.123.200.48 0:0:0:0:0:ffff:37b:c830
3.123.200.49 0:0:0:0:0:ffff:37b:c831
3.123.200.50 0:0:0:0:0:ffff:37b:c832
3.123.200.51 0:0:0:0:0:ffff:37b:c833
3.123.200.52 0:0:0:0:0:ffff:37b:c834
3.123.200.53 0:0:0:0:0:ffff:37b:c835
3.123.200.54 0:0:0:0:0:ffff:37b:c836
3.123.200.55 0:0:0:0:0:ffff:37b:c837
3.123.200.56 0:0:0:0:0:ffff:37b:c838
3.123.200.57 0:0:0:0:0:ffff:37b:c839
3.123.200.58 0:0:0:0:0:ffff:37b:c83a
3.123.200.59 0:0:0:0:0:ffff:37b:c83b
3.123.200.60 0:0:0:0:0:ffff:37b:c83c


3.123.200.61 0:0:0:0:0:ffff:37b:c83d
3.123.200.62 0:0:0:0:0:ffff:37b:c83e
3.123.200.63 0:0:0:0:0:ffff:37b:c83f
3.123.200.64 0:0:0:0:0:ffff:37b:c840
3.123.200.65 0:0:0:0:0:ffff:37b:c841
3.123.200.66 0:0:0:0:0:ffff:37b:c842
3.123.200.67 0:0:0:0:0:ffff:37b:c843
3.123.200.68 0:0:0:0:0:ffff:37b:c844
3.123.200.69 0:0:0:0:0:ffff:37b:c845
3.123.200.70 0:0:0:0:0:ffff:37b:c846
3.123.200.71 0:0:0:0:0:ffff:37b:c847
3.123.200.72 0:0:0:0:0:ffff:37b:c848
3.123.200.73 0:0:0:0:0:ffff:37b:c849
3.123.200.74 0:0:0:0:0:ffff:37b:c84a
3.123.200.75 0:0:0:0:0:ffff:37b:c84b
3.123.200.76 0:0:0:0:0:ffff:37b:c84c
3.123.200.77 0:0:0:0:0:ffff:37b:c84d
3.123.200.78 0:0:0:0:0:ffff:37b:c84e
3.123.200.79 0:0:0:0:0:ffff:37b:c84f
3.123.200.80 0:0:0:0:0:ffff:37b:c850
3.123.200.81 0:0:0:0:0:ffff:37b:c851
3.123.200.82 0:0:0:0:0:ffff:37b:c852
3.123.200.83 0:0:0:0:0:ffff:37b:c853
3.123.200.84 0:0:0:0:0:ffff:37b:c854
3.123.200.85 0:0:0:0:0:ffff:37b:c855
3.123.200.86 0:0:0:0:0:ffff:37b:c856
3.123.200.87 0:0:0:0:0:ffff:37b:c857
3.123.200.88 0:0:0:0:0:ffff:37b:c858
3.123.200.89 0:0:0:0:0:ffff:37b:c859
3.123.200.90 0:0:0:0:0:ffff:37b:c85a
3.123.200.91 0:0:0:0:0:ffff:37b:c85b
3.123.200.92 0:0:0:0:0:ffff:37b:c85c
3.123.200.93 0:0:0:0:0:ffff:37b:c85d
3.123.200.94 0:0:0:0:0:ffff:37b:c85e
3.123.200.95 0:0:0:0:0:ffff:37b:c85f
3.123.200.96 0:0:0:0:0:ffff:37b:c860
3.123.200.97 0:0:0:0:0:ffff:37b:c861
3.123.200.98 0:0:0:0:0:ffff:37b:c862
3.123.200.99 0:0:0:0:0:ffff:37b:c863
3.123.200.100 0:0:0:0:0:ffff:37b:c864
3.123.200.101 0:0:0:0:0:ffff:37b:c865
3.123.200.102 0:0:0:0:0:ffff:37b:c866
3.123.200.103 0:0:0:0:0:ffff:37b:c867
3.123.200.104 0:0:0:0:0:ffff:37b:c868
3.123.200.105 0:0:0:0:0:ffff:37b:c869
3.123.200.106 0:0:0:0:0:ffff:37b:c86a
3.123.200.107 0:0:0:0:0:ffff:37b:c86b
3.123.200.108 0:0:0:0:0:ffff:37b:c86c
3.123.200.109 0:0:0:0:0:ffff:37b:c86d
3.123.200.110 0:0:0:0:0:ffff:37b:c86e
3.123.200.111 0:0:0:0:0:ffff:37b:c86f
3.123.200.112 0:0:0:0:0:ffff:37b:c870
3.123.200.113 0:0:0:0:0:ffff:37b:c871
3.123.200.114 0:0:0:0:0:ffff:37b:c872
3.123.200.115 0:0:0:0:0:ffff:37b:c873
3.123.200.116 0:0:0:0:0:ffff:37b:c874
3.123.200.117 0:0:0:0:0:ffff:37b:c875
3.123.200.118 0:0:0:0:0:ffff:37b:c876
3.123.200.119 0:0:0:0:0:ffff:37b:c877
3.123.200.120 0:0:0:0:0:ffff:37b:c878


3.123.200.121 0:0:0:0:0:ffff:37b:c879
3.123.200.122 0:0:0:0:0:ffff:37b:c87a
3.123.200.123 0:0:0:0:0:ffff:37b:c87b
3.123.200.124 0:0:0:0:0:ffff:37b:c87c
3.123.200.125 0:0:0:0:0:ffff:37b:c87d
3.123.200.126 0:0:0:0:0:ffff:37b:c87e
3.123.200.127 0:0:0:0:0:ffff:37b:c87f
3.123.200.128 0:0:0:0:0:ffff:37b:c880
3.123.200.129 0:0:0:0:0:ffff:37b:c881
3.123.200.130 0:0:0:0:0:ffff:37b:c882
3.123.200.131 0:0:0:0:0:ffff:37b:c883
3.123.200.132 0:0:0:0:0:ffff:37b:c884
3.123.200.133 0:0:0:0:0:ffff:37b:c885
3.123.200.134 0:0:0:0:0:ffff:37b:c886
3.123.200.135 0:0:0:0:0:ffff:37b:c887
3.123.200.136 0:0:0:0:0:ffff:37b:c888
3.123.200.137 0:0:0:0:0:ffff:37b:c889
3.123.200.138 0:0:0:0:0:ffff:37b:c88a
3.123.200.139 0:0:0:0:0:ffff:37b:c88b
3.123.200.140 0:0:0:0:0:ffff:37b:c88c
3.123.200.141 0:0:0:0:0:ffff:37b:c88d
3.123.200.142 0:0:0:0:0:ffff:37b:c88e
3.123.200.143 0:0:0:0:0:ffff:37b:c88f
3.123.200.144 0:0:0:0:0:ffff:37b:c890
3.123.200.145 0:0:0:0:0:ffff:37b:c891
3.123.200.146 0:0:0:0:0:ffff:37b:c892
3.123.200.147 0:0:0:0:0:ffff:37b:c893
3.123.200.148 0:0:0:0:0:ffff:37b:c894
3.123.200.149 0:0:0:0:0:ffff:37b:c895
3.123.200.150 0:0:0:0:0:ffff:37b:c896
3.123.200.151 0:0:0:0:0:ffff:37b:c897
3.123.200.152 0:0:0:0:0:ffff:37b:c898
3.123.200.153 0:0:0:0:0:ffff:37b:c899
3.123.200.154 0:0:0:0:0:ffff:37b:c89a
3.123.200.155 0:0:0:0:0:ffff:37b:c89b
3.123.200.156 0:0:0:0:0:ffff:37b:c89c
3.123.200.157 0:0:0:0:0:ffff:37b:c89d
3.123.200.158 0:0:0:0:0:ffff:37b:c89e
3.123.200.159 0:0:0:0:0:ffff:37b:c89f
3.123.200.160 0:0:0:0:0:ffff:37b:c8a0
3.123.200.161 0:0:0:0:0:ffff:37b:c8a1
3.123.200.162 0:0:0:0:0:ffff:37b:c8a2
3.123.200.163 0:0:0:0:0:ffff:37b:c8a3
3.123.200.164 0:0:0:0:0:ffff:37b:c8a4
3.123.200.165 0:0:0:0:0:ffff:37b:c8a5
3.123.200.166 0:0:0:0:0:ffff:37b:c8a6
3.123.200.167 0:0:0:0:0:ffff:37b:c8a7
3.123.200.168 0:0:0:0:0:ffff:37b:c8a8
3.123.200.169 0:0:0:0:0:ffff:37b:c8a9
3.123.200.170 0:0:0:0:0:ffff:37b:c8aa
3.123.200.171 0:0:0:0:0:ffff:37b:c8ab
3.123.200.172 0:0:0:0:0:ffff:37b:c8ac
3.123.200.173 0:0:0:0:0:ffff:37b:c8ad
3.123.200.174 0:0:0:0:0:ffff:37b:c8ae
3.123.200.175 0:0:0:0:0:ffff:37b:c8af
3.123.200.176 0:0:0:0:0:ffff:37b:c8b0
3.123.200.177 0:0:0:0:0:ffff:37b:c8b1
3.123.200.178 0:0:0:0:0:ffff:37b:c8b2
3.123.200.179 0:0:0:0:0:ffff:37b:c8b3
3.123.200.180 0:0:0:0:0:ffff:37b:c8b4


3.123.200.181 0:0:0:0:0:ffff:37b:c8b5
3.123.200.182 0:0:0:0:0:ffff:37b:c8b6
3.123.200.183 0:0:0:0:0:ffff:37b:c8b7
3.123.200.184 0:0:0:0:0:ffff:37b:c8b8
3.123.200.185 0:0:0:0:0:ffff:37b:c8b9
3.123.200.186 0:0:0:0:0:ffff:37b:c8ba
3.123.200.187 0:0:0:0:0:ffff:37b:c8bb
3.123.200.188 0:0:0:0:0:ffff:37b:c8bc
3.123.200.189 0:0:0:0:0:ffff:37b:c8bd
3.123.200.190 0:0:0:0:0:ffff:37b:c8be
3.123.200.191 0:0:0:0:0:ffff:37b:c8bf
3.123.200.192 0:0:0:0:0:ffff:37b:c8c0
3.123.200.193 0:0:0:0:0:ffff:37b:c8c1
3.123.200.194 0:0:0:0:0:ffff:37b:c8c2
3.123.200.195 0:0:0:0:0:ffff:37b:c8c3
3.123.200.196 0:0:0:0:0:ffff:37b:c8c4
3.123.200.197 0:0:0:0:0:ffff:37b:c8c5
3.123.200.198 0:0:0:0:0:ffff:37b:c8c6
3.123.200.199 0:0:0:0:0:ffff:37b:c8c7
3.123.200.200 0:0:0:0:0:ffff:37b:c8c8
3.123.200.201 0:0:0:0:0:ffff:37b:c8c9
3.123.200.202 0:0:0:0:0:ffff:37b:c8ca
3.123.200.203 0:0:0:0:0:ffff:37b:c8cb
3.123.200.204 0:0:0:0:0:ffff:37b:c8cc
3.123.200.205 0:0:0:0:0:ffff:37b:c8cd
3.123.200.206 0:0:0:0:0:ffff:37b:c8ce
3.123.200.207 0:0:0:0:0:ffff:37b:c8cf
3.123.200.208 0:0:0:0:0:ffff:37b:c8d0
3.123.200.209 0:0:0:0:0:ffff:37b:c8d1
3.123.200.210 0:0:0:0:0:ffff:37b:c8d2
3.123.200.211 0:0:0:0:0:ffff:37b:c8d3
3.123.200.212 0:0:0:0:0:ffff:37b:c8d4
3.123.200.213 0:0:0:0:0:ffff:37b:c8d5
3.123.200.214 0:0:0:0:0:ffff:37b:c8d6
3.123.200.215 0:0:0:0:0:ffff:37b:c8d7
3.123.200.216 0:0:0:0:0:ffff:37b:c8d8
3.123.200.217 0:0:0:0:0:ffff:37b:c8d9
3.123.200.218 0:0:0:0:0:ffff:37b:c8da
3.123.200.219 0:0:0:0:0:ffff:37b:c8db
3.123.200.220 0:0:0:0:0:ffff:37b:c8dc
3.123.200.221 0:0:0:0:0:ffff:37b:c8dd
3.123.200.222 0:0:0:0:0:ffff:37b:c8de
3.123.200.223 0:0:0:0:0:ffff:37b:c8df
3.123.200.224 0:0:0:0:0:ffff:37b:c8e0
3.123.200.225 0:0:0:0:0:ffff:37b:c8e1
3.123.200.226 0:0:0:0:0:ffff:37b:c8e2
3.123.200.227 0:0:0:0:0:ffff:37b:c8e3
3.123.200.228 0:0:0:0:0:ffff:37b:c8e4
3.123.200.229 0:0:0:0:0:ffff:37b:c8e5
3.123.200.230 0:0:0:0:0:ffff:37b:c8e6
3.123.200.231 0:0:0:0:0:ffff:37b:c8e7
3.123.200.232 0:0:0:0:0:ffff:37b:c8e8
3.123.200.233 0:0:0:0:0:ffff:37b:c8e9
3.123.200.234 0:0:0:0:0:ffff:37b:c8ea
3.123.200.235 0:0:0:0:0:ffff:37b:c8eb
3.123.200.236 0:0:0:0:0:ffff:37b:c8ec
3.123.200.237 0:0:0:0:0:ffff:37b:c8ed
3.123.200.238 0:0:0:0:0:ffff:37b:c8ee
3.123.200.239 0:0:0:0:0:ffff:37b:c8ef
3.123.200.240 0:0:0:0:0:ffff:37b:c8f0
3.123.200.241 0:0:0:0:0:ffff:37b:c8f1
3.123.200.242 0:0:0:0:0:ffff:37b:c8f2
3.123.200.243 0:0:0:0:0:ffff:37b:c8f3
3.123.200.244 0:0:0:0:0:ffff:37b:c8f4
3.123.200.245 0:0:0:0:0:ffff:37b:c8f5
3.123.200.246 0:0:0:0:0:ffff:37b:c8f6
3.123.200.247 0:0:0:0:0:ffff:37b:c8f7
3.123.200.248 0:0:0:0:0:ffff:37b:c8f8
3.123.200.249 0:0:0:0:0:ffff:37b:c8f9
3.123.200.250 0:0:0:0:0:ffff:37b:c8fa
3.123.200.251 0:0:0:0:0:ffff:37b:c8fb
3.123.200.252 0:0:0:0:0:ffff:37b:c8fc
3.123.200.253 0:0:0:0:0:ffff:37b:c8fd
3.123.200.254 0:0:0:0:0:ffff:37b:c8fe
3.123.200.255 0:0:0:0:0:ffff:37b:c8ff


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.