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
12.221.168.1 0:0:0:0:0:ffff:cdd:a801
12.221.168.2 0:0:0:0:0:ffff:cdd:a802
12.221.168.3 0:0:0:0:0:ffff:cdd:a803
12.221.168.4 0:0:0:0:0:ffff:cdd:a804
12.221.168.5 0:0:0:0:0:ffff:cdd:a805
12.221.168.6 0:0:0:0:0:ffff:cdd:a806
12.221.168.7 0:0:0:0:0:ffff:cdd:a807
12.221.168.8 0:0:0:0:0:ffff:cdd:a808
12.221.168.9 0:0:0:0:0:ffff:cdd:a809
12.221.168.10 0:0:0:0:0:ffff:cdd:a80a
12.221.168.11 0:0:0:0:0:ffff:cdd:a80b
12.221.168.12 0:0:0:0:0:ffff:cdd:a80c
12.221.168.13 0:0:0:0:0:ffff:cdd:a80d
12.221.168.14 0:0:0:0:0:ffff:cdd:a80e
12.221.168.15 0:0:0:0:0:ffff:cdd:a80f
12.221.168.16 0:0:0:0:0:ffff:cdd:a810
12.221.168.17 0:0:0:0:0:ffff:cdd:a811
12.221.168.18 0:0:0:0:0:ffff:cdd:a812
12.221.168.19 0:0:0:0:0:ffff:cdd:a813
12.221.168.20 0:0:0:0:0:ffff:cdd:a814
12.221.168.21 0:0:0:0:0:ffff:cdd:a815
12.221.168.22 0:0:0:0:0:ffff:cdd:a816
12.221.168.23 0:0:0:0:0:ffff:cdd:a817
12.221.168.24 0:0:0:0:0:ffff:cdd:a818
12.221.168.25 0:0:0:0:0:ffff:cdd:a819
12.221.168.26 0:0:0:0:0:ffff:cdd:a81a
12.221.168.27 0:0:0:0:0:ffff:cdd:a81b
12.221.168.28 0:0:0:0:0:ffff:cdd:a81c
12.221.168.29 0:0:0:0:0:ffff:cdd:a81d
12.221.168.30 0:0:0:0:0:ffff:cdd:a81e
12.221.168.31 0:0:0:0:0:ffff:cdd:a81f
12.221.168.32 0:0:0:0:0:ffff:cdd:a820
12.221.168.33 0:0:0:0:0:ffff:cdd:a821
12.221.168.34 0:0:0:0:0:ffff:cdd:a822
12.221.168.35 0:0:0:0:0:ffff:cdd:a823
12.221.168.36 0:0:0:0:0:ffff:cdd:a824
12.221.168.37 0:0:0:0:0:ffff:cdd:a825
12.221.168.38 0:0:0:0:0:ffff:cdd:a826
12.221.168.39 0:0:0:0:0:ffff:cdd:a827
12.221.168.40 0:0:0:0:0:ffff:cdd:a828
12.221.168.41 0:0:0:0:0:ffff:cdd:a829
12.221.168.42 0:0:0:0:0:ffff:cdd:a82a
12.221.168.43 0:0:0:0:0:ffff:cdd:a82b
12.221.168.44 0:0:0:0:0:ffff:cdd:a82c
12.221.168.45 0:0:0:0:0:ffff:cdd:a82d
12.221.168.46 0:0:0:0:0:ffff:cdd:a82e
12.221.168.47 0:0:0:0:0:ffff:cdd:a82f
12.221.168.48 0:0:0:0:0:ffff:cdd:a830
12.221.168.49 0:0:0:0:0:ffff:cdd:a831
12.221.168.50 0:0:0:0:0:ffff:cdd:a832
12.221.168.51 0:0:0:0:0:ffff:cdd:a833
12.221.168.52 0:0:0:0:0:ffff:cdd:a834
12.221.168.53 0:0:0:0:0:ffff:cdd:a835
12.221.168.54 0:0:0:0:0:ffff:cdd:a836
12.221.168.55 0:0:0:0:0:ffff:cdd:a837
12.221.168.56 0:0:0:0:0:ffff:cdd:a838
12.221.168.57 0:0:0:0:0:ffff:cdd:a839
12.221.168.58 0:0:0:0:0:ffff:cdd:a83a
12.221.168.59 0:0:0:0:0:ffff:cdd:a83b
12.221.168.60 0:0:0:0:0:ffff:cdd:a83c


12.221.168.61 0:0:0:0:0:ffff:cdd:a83d
12.221.168.62 0:0:0:0:0:ffff:cdd:a83e
12.221.168.63 0:0:0:0:0:ffff:cdd:a83f
12.221.168.64 0:0:0:0:0:ffff:cdd:a840
12.221.168.65 0:0:0:0:0:ffff:cdd:a841
12.221.168.66 0:0:0:0:0:ffff:cdd:a842
12.221.168.67 0:0:0:0:0:ffff:cdd:a843
12.221.168.68 0:0:0:0:0:ffff:cdd:a844
12.221.168.69 0:0:0:0:0:ffff:cdd:a845
12.221.168.70 0:0:0:0:0:ffff:cdd:a846
12.221.168.71 0:0:0:0:0:ffff:cdd:a847
12.221.168.72 0:0:0:0:0:ffff:cdd:a848
12.221.168.73 0:0:0:0:0:ffff:cdd:a849
12.221.168.74 0:0:0:0:0:ffff:cdd:a84a
12.221.168.75 0:0:0:0:0:ffff:cdd:a84b
12.221.168.76 0:0:0:0:0:ffff:cdd:a84c
12.221.168.77 0:0:0:0:0:ffff:cdd:a84d
12.221.168.78 0:0:0:0:0:ffff:cdd:a84e
12.221.168.79 0:0:0:0:0:ffff:cdd:a84f
12.221.168.80 0:0:0:0:0:ffff:cdd:a850
12.221.168.81 0:0:0:0:0:ffff:cdd:a851
12.221.168.82 0:0:0:0:0:ffff:cdd:a852
12.221.168.83 0:0:0:0:0:ffff:cdd:a853
12.221.168.84 0:0:0:0:0:ffff:cdd:a854
12.221.168.85 0:0:0:0:0:ffff:cdd:a855
12.221.168.86 0:0:0:0:0:ffff:cdd:a856
12.221.168.87 0:0:0:0:0:ffff:cdd:a857
12.221.168.88 0:0:0:0:0:ffff:cdd:a858
12.221.168.89 0:0:0:0:0:ffff:cdd:a859
12.221.168.90 0:0:0:0:0:ffff:cdd:a85a
12.221.168.91 0:0:0:0:0:ffff:cdd:a85b
12.221.168.92 0:0:0:0:0:ffff:cdd:a85c
12.221.168.93 0:0:0:0:0:ffff:cdd:a85d
12.221.168.94 0:0:0:0:0:ffff:cdd:a85e
12.221.168.95 0:0:0:0:0:ffff:cdd:a85f
12.221.168.96 0:0:0:0:0:ffff:cdd:a860
12.221.168.97 0:0:0:0:0:ffff:cdd:a861
12.221.168.98 0:0:0:0:0:ffff:cdd:a862
12.221.168.99 0:0:0:0:0:ffff:cdd:a863
12.221.168.100 0:0:0:0:0:ffff:cdd:a864
12.221.168.101 0:0:0:0:0:ffff:cdd:a865
12.221.168.102 0:0:0:0:0:ffff:cdd:a866
12.221.168.103 0:0:0:0:0:ffff:cdd:a867
12.221.168.104 0:0:0:0:0:ffff:cdd:a868
12.221.168.105 0:0:0:0:0:ffff:cdd:a869
12.221.168.106 0:0:0:0:0:ffff:cdd:a86a
12.221.168.107 0:0:0:0:0:ffff:cdd:a86b
12.221.168.108 0:0:0:0:0:ffff:cdd:a86c
12.221.168.109 0:0:0:0:0:ffff:cdd:a86d
12.221.168.110 0:0:0:0:0:ffff:cdd:a86e
12.221.168.111 0:0:0:0:0:ffff:cdd:a86f
12.221.168.112 0:0:0:0:0:ffff:cdd:a870
12.221.168.113 0:0:0:0:0:ffff:cdd:a871
12.221.168.114 0:0:0:0:0:ffff:cdd:a872
12.221.168.115 0:0:0:0:0:ffff:cdd:a873
12.221.168.116 0:0:0:0:0:ffff:cdd:a874
12.221.168.117 0:0:0:0:0:ffff:cdd:a875
12.221.168.118 0:0:0:0:0:ffff:cdd:a876
12.221.168.119 0:0:0:0:0:ffff:cdd:a877
12.221.168.120 0:0:0:0:0:ffff:cdd:a878


12.221.168.121 0:0:0:0:0:ffff:cdd:a879
12.221.168.122 0:0:0:0:0:ffff:cdd:a87a
12.221.168.123 0:0:0:0:0:ffff:cdd:a87b
12.221.168.124 0:0:0:0:0:ffff:cdd:a87c
12.221.168.125 0:0:0:0:0:ffff:cdd:a87d
12.221.168.126 0:0:0:0:0:ffff:cdd:a87e
12.221.168.127 0:0:0:0:0:ffff:cdd:a87f
12.221.168.128 0:0:0:0:0:ffff:cdd:a880
12.221.168.129 0:0:0:0:0:ffff:cdd:a881
12.221.168.130 0:0:0:0:0:ffff:cdd:a882
12.221.168.131 0:0:0:0:0:ffff:cdd:a883
12.221.168.132 0:0:0:0:0:ffff:cdd:a884
12.221.168.133 0:0:0:0:0:ffff:cdd:a885
12.221.168.134 0:0:0:0:0:ffff:cdd:a886
12.221.168.135 0:0:0:0:0:ffff:cdd:a887
12.221.168.136 0:0:0:0:0:ffff:cdd:a888
12.221.168.137 0:0:0:0:0:ffff:cdd:a889
12.221.168.138 0:0:0:0:0:ffff:cdd:a88a
12.221.168.139 0:0:0:0:0:ffff:cdd:a88b
12.221.168.140 0:0:0:0:0:ffff:cdd:a88c
12.221.168.141 0:0:0:0:0:ffff:cdd:a88d
12.221.168.142 0:0:0:0:0:ffff:cdd:a88e
12.221.168.143 0:0:0:0:0:ffff:cdd:a88f
12.221.168.144 0:0:0:0:0:ffff:cdd:a890
12.221.168.145 0:0:0:0:0:ffff:cdd:a891
12.221.168.146 0:0:0:0:0:ffff:cdd:a892
12.221.168.147 0:0:0:0:0:ffff:cdd:a893
12.221.168.148 0:0:0:0:0:ffff:cdd:a894
12.221.168.149 0:0:0:0:0:ffff:cdd:a895
12.221.168.150 0:0:0:0:0:ffff:cdd:a896
12.221.168.151 0:0:0:0:0:ffff:cdd:a897
12.221.168.152 0:0:0:0:0:ffff:cdd:a898
12.221.168.153 0:0:0:0:0:ffff:cdd:a899
12.221.168.154 0:0:0:0:0:ffff:cdd:a89a
12.221.168.155 0:0:0:0:0:ffff:cdd:a89b
12.221.168.156 0:0:0:0:0:ffff:cdd:a89c
12.221.168.157 0:0:0:0:0:ffff:cdd:a89d
12.221.168.158 0:0:0:0:0:ffff:cdd:a89e
12.221.168.159 0:0:0:0:0:ffff:cdd:a89f
12.221.168.160 0:0:0:0:0:ffff:cdd:a8a0
12.221.168.161 0:0:0:0:0:ffff:cdd:a8a1
12.221.168.162 0:0:0:0:0:ffff:cdd:a8a2
12.221.168.163 0:0:0:0:0:ffff:cdd:a8a3
12.221.168.164 0:0:0:0:0:ffff:cdd:a8a4
12.221.168.165 0:0:0:0:0:ffff:cdd:a8a5
12.221.168.166 0:0:0:0:0:ffff:cdd:a8a6
12.221.168.167 0:0:0:0:0:ffff:cdd:a8a7
12.221.168.168 0:0:0:0:0:ffff:cdd:a8a8
12.221.168.169 0:0:0:0:0:ffff:cdd:a8a9
12.221.168.170 0:0:0:0:0:ffff:cdd:a8aa
12.221.168.171 0:0:0:0:0:ffff:cdd:a8ab
12.221.168.172 0:0:0:0:0:ffff:cdd:a8ac
12.221.168.173 0:0:0:0:0:ffff:cdd:a8ad
12.221.168.174 0:0:0:0:0:ffff:cdd:a8ae
12.221.168.175 0:0:0:0:0:ffff:cdd:a8af
12.221.168.176 0:0:0:0:0:ffff:cdd:a8b0
12.221.168.177 0:0:0:0:0:ffff:cdd:a8b1
12.221.168.178 0:0:0:0:0:ffff:cdd:a8b2
12.221.168.179 0:0:0:0:0:ffff:cdd:a8b3
12.221.168.180 0:0:0:0:0:ffff:cdd:a8b4


12.221.168.181 0:0:0:0:0:ffff:cdd:a8b5
12.221.168.182 0:0:0:0:0:ffff:cdd:a8b6
12.221.168.183 0:0:0:0:0:ffff:cdd:a8b7
12.221.168.184 0:0:0:0:0:ffff:cdd:a8b8
12.221.168.185 0:0:0:0:0:ffff:cdd:a8b9
12.221.168.186 0:0:0:0:0:ffff:cdd:a8ba
12.221.168.187 0:0:0:0:0:ffff:cdd:a8bb
12.221.168.188 0:0:0:0:0:ffff:cdd:a8bc
12.221.168.189 0:0:0:0:0:ffff:cdd:a8bd
12.221.168.190 0:0:0:0:0:ffff:cdd:a8be
12.221.168.191 0:0:0:0:0:ffff:cdd:a8bf
12.221.168.192 0:0:0:0:0:ffff:cdd:a8c0
12.221.168.193 0:0:0:0:0:ffff:cdd:a8c1
12.221.168.194 0:0:0:0:0:ffff:cdd:a8c2
12.221.168.195 0:0:0:0:0:ffff:cdd:a8c3
12.221.168.196 0:0:0:0:0:ffff:cdd:a8c4
12.221.168.197 0:0:0:0:0:ffff:cdd:a8c5
12.221.168.198 0:0:0:0:0:ffff:cdd:a8c6
12.221.168.199 0:0:0:0:0:ffff:cdd:a8c7
12.221.168.200 0:0:0:0:0:ffff:cdd:a8c8
12.221.168.201 0:0:0:0:0:ffff:cdd:a8c9
12.221.168.202 0:0:0:0:0:ffff:cdd:a8ca
12.221.168.203 0:0:0:0:0:ffff:cdd:a8cb
12.221.168.204 0:0:0:0:0:ffff:cdd:a8cc
12.221.168.205 0:0:0:0:0:ffff:cdd:a8cd
12.221.168.206 0:0:0:0:0:ffff:cdd:a8ce
12.221.168.207 0:0:0:0:0:ffff:cdd:a8cf
12.221.168.208 0:0:0:0:0:ffff:cdd:a8d0
12.221.168.209 0:0:0:0:0:ffff:cdd:a8d1
12.221.168.210 0:0:0:0:0:ffff:cdd:a8d2
12.221.168.211 0:0:0:0:0:ffff:cdd:a8d3
12.221.168.212 0:0:0:0:0:ffff:cdd:a8d4
12.221.168.213 0:0:0:0:0:ffff:cdd:a8d5
12.221.168.214 0:0:0:0:0:ffff:cdd:a8d6
12.221.168.215 0:0:0:0:0:ffff:cdd:a8d7
12.221.168.216 0:0:0:0:0:ffff:cdd:a8d8
12.221.168.217 0:0:0:0:0:ffff:cdd:a8d9
12.221.168.218 0:0:0:0:0:ffff:cdd:a8da
12.221.168.219 0:0:0:0:0:ffff:cdd:a8db
12.221.168.220 0:0:0:0:0:ffff:cdd:a8dc
12.221.168.221 0:0:0:0:0:ffff:cdd:a8dd
12.221.168.222 0:0:0:0:0:ffff:cdd:a8de
12.221.168.223 0:0:0:0:0:ffff:cdd:a8df
12.221.168.224 0:0:0:0:0:ffff:cdd:a8e0
12.221.168.225 0:0:0:0:0:ffff:cdd:a8e1
12.221.168.226 0:0:0:0:0:ffff:cdd:a8e2
12.221.168.227 0:0:0:0:0:ffff:cdd:a8e3
12.221.168.228 0:0:0:0:0:ffff:cdd:a8e4
12.221.168.229 0:0:0:0:0:ffff:cdd:a8e5
12.221.168.230 0:0:0:0:0:ffff:cdd:a8e6
12.221.168.231 0:0:0:0:0:ffff:cdd:a8e7
12.221.168.232 0:0:0:0:0:ffff:cdd:a8e8
12.221.168.233 0:0:0:0:0:ffff:cdd:a8e9
12.221.168.234 0:0:0:0:0:ffff:cdd:a8ea
12.221.168.235 0:0:0:0:0:ffff:cdd:a8eb
12.221.168.236 0:0:0:0:0:ffff:cdd:a8ec
12.221.168.237 0:0:0:0:0:ffff:cdd:a8ed
12.221.168.238 0:0:0:0:0:ffff:cdd:a8ee
12.221.168.239 0:0:0:0:0:ffff:cdd:a8ef
12.221.168.240 0:0:0:0:0:ffff:cdd:a8f0
12.221.168.241 0:0:0:0:0:ffff:cdd:a8f1
12.221.168.242 0:0:0:0:0:ffff:cdd:a8f2
12.221.168.243 0:0:0:0:0:ffff:cdd:a8f3
12.221.168.244 0:0:0:0:0:ffff:cdd:a8f4
12.221.168.245 0:0:0:0:0:ffff:cdd:a8f5
12.221.168.246 0:0:0:0:0:ffff:cdd:a8f6
12.221.168.247 0:0:0:0:0:ffff:cdd:a8f7
12.221.168.248 0:0:0:0:0:ffff:cdd:a8f8
12.221.168.249 0:0:0:0:0:ffff:cdd:a8f9
12.221.168.250 0:0:0:0:0:ffff:cdd:a8fa
12.221.168.251 0:0:0:0:0:ffff:cdd:a8fb
12.221.168.252 0:0:0:0:0:ffff:cdd:a8fc
12.221.168.253 0:0:0:0:0:ffff:cdd:a8fd
12.221.168.254 0:0:0:0:0:ffff:cdd:a8fe
12.221.168.255 0:0:0:0:0:ffff:cdd:a8ff


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.