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
12.221.56.1 0:0:0:0:0:ffff:cdd:3801
12.221.56.2 0:0:0:0:0:ffff:cdd:3802
12.221.56.3 0:0:0:0:0:ffff:cdd:3803
12.221.56.4 0:0:0:0:0:ffff:cdd:3804
12.221.56.5 0:0:0:0:0:ffff:cdd:3805
12.221.56.6 0:0:0:0:0:ffff:cdd:3806
12.221.56.7 0:0:0:0:0:ffff:cdd:3807
12.221.56.8 0:0:0:0:0:ffff:cdd:3808
12.221.56.9 0:0:0:0:0:ffff:cdd:3809
12.221.56.10 0:0:0:0:0:ffff:cdd:380a
12.221.56.11 0:0:0:0:0:ffff:cdd:380b
12.221.56.12 0:0:0:0:0:ffff:cdd:380c
12.221.56.13 0:0:0:0:0:ffff:cdd:380d
12.221.56.14 0:0:0:0:0:ffff:cdd:380e
12.221.56.15 0:0:0:0:0:ffff:cdd:380f
12.221.56.16 0:0:0:0:0:ffff:cdd:3810
12.221.56.17 0:0:0:0:0:ffff:cdd:3811
12.221.56.18 0:0:0:0:0:ffff:cdd:3812
12.221.56.19 0:0:0:0:0:ffff:cdd:3813
12.221.56.20 0:0:0:0:0:ffff:cdd:3814
12.221.56.21 0:0:0:0:0:ffff:cdd:3815
12.221.56.22 0:0:0:0:0:ffff:cdd:3816
12.221.56.23 0:0:0:0:0:ffff:cdd:3817
12.221.56.24 0:0:0:0:0:ffff:cdd:3818
12.221.56.25 0:0:0:0:0:ffff:cdd:3819
12.221.56.26 0:0:0:0:0:ffff:cdd:381a
12.221.56.27 0:0:0:0:0:ffff:cdd:381b
12.221.56.28 0:0:0:0:0:ffff:cdd:381c
12.221.56.29 0:0:0:0:0:ffff:cdd:381d
12.221.56.30 0:0:0:0:0:ffff:cdd:381e
12.221.56.31 0:0:0:0:0:ffff:cdd:381f
12.221.56.32 0:0:0:0:0:ffff:cdd:3820
12.221.56.33 0:0:0:0:0:ffff:cdd:3821
12.221.56.34 0:0:0:0:0:ffff:cdd:3822
12.221.56.35 0:0:0:0:0:ffff:cdd:3823
12.221.56.36 0:0:0:0:0:ffff:cdd:3824
12.221.56.37 0:0:0:0:0:ffff:cdd:3825
12.221.56.38 0:0:0:0:0:ffff:cdd:3826
12.221.56.39 0:0:0:0:0:ffff:cdd:3827
12.221.56.40 0:0:0:0:0:ffff:cdd:3828
12.221.56.41 0:0:0:0:0:ffff:cdd:3829
12.221.56.42 0:0:0:0:0:ffff:cdd:382a
12.221.56.43 0:0:0:0:0:ffff:cdd:382b
12.221.56.44 0:0:0:0:0:ffff:cdd:382c
12.221.56.45 0:0:0:0:0:ffff:cdd:382d
12.221.56.46 0:0:0:0:0:ffff:cdd:382e
12.221.56.47 0:0:0:0:0:ffff:cdd:382f
12.221.56.48 0:0:0:0:0:ffff:cdd:3830
12.221.56.49 0:0:0:0:0:ffff:cdd:3831
12.221.56.50 0:0:0:0:0:ffff:cdd:3832
12.221.56.51 0:0:0:0:0:ffff:cdd:3833
12.221.56.52 0:0:0:0:0:ffff:cdd:3834
12.221.56.53 0:0:0:0:0:ffff:cdd:3835
12.221.56.54 0:0:0:0:0:ffff:cdd:3836
12.221.56.55 0:0:0:0:0:ffff:cdd:3837
12.221.56.56 0:0:0:0:0:ffff:cdd:3838
12.221.56.57 0:0:0:0:0:ffff:cdd:3839
12.221.56.58 0:0:0:0:0:ffff:cdd:383a
12.221.56.59 0:0:0:0:0:ffff:cdd:383b
12.221.56.60 0:0:0:0:0:ffff:cdd:383c


12.221.56.61 0:0:0:0:0:ffff:cdd:383d
12.221.56.62 0:0:0:0:0:ffff:cdd:383e
12.221.56.63 0:0:0:0:0:ffff:cdd:383f
12.221.56.64 0:0:0:0:0:ffff:cdd:3840
12.221.56.65 0:0:0:0:0:ffff:cdd:3841
12.221.56.66 0:0:0:0:0:ffff:cdd:3842
12.221.56.67 0:0:0:0:0:ffff:cdd:3843
12.221.56.68 0:0:0:0:0:ffff:cdd:3844
12.221.56.69 0:0:0:0:0:ffff:cdd:3845
12.221.56.70 0:0:0:0:0:ffff:cdd:3846
12.221.56.71 0:0:0:0:0:ffff:cdd:3847
12.221.56.72 0:0:0:0:0:ffff:cdd:3848
12.221.56.73 0:0:0:0:0:ffff:cdd:3849
12.221.56.74 0:0:0:0:0:ffff:cdd:384a
12.221.56.75 0:0:0:0:0:ffff:cdd:384b
12.221.56.76 0:0:0:0:0:ffff:cdd:384c
12.221.56.77 0:0:0:0:0:ffff:cdd:384d
12.221.56.78 0:0:0:0:0:ffff:cdd:384e
12.221.56.79 0:0:0:0:0:ffff:cdd:384f
12.221.56.80 0:0:0:0:0:ffff:cdd:3850
12.221.56.81 0:0:0:0:0:ffff:cdd:3851
12.221.56.82 0:0:0:0:0:ffff:cdd:3852
12.221.56.83 0:0:0:0:0:ffff:cdd:3853
12.221.56.84 0:0:0:0:0:ffff:cdd:3854
12.221.56.85 0:0:0:0:0:ffff:cdd:3855
12.221.56.86 0:0:0:0:0:ffff:cdd:3856
12.221.56.87 0:0:0:0:0:ffff:cdd:3857
12.221.56.88 0:0:0:0:0:ffff:cdd:3858
12.221.56.89 0:0:0:0:0:ffff:cdd:3859
12.221.56.90 0:0:0:0:0:ffff:cdd:385a
12.221.56.91 0:0:0:0:0:ffff:cdd:385b
12.221.56.92 0:0:0:0:0:ffff:cdd:385c
12.221.56.93 0:0:0:0:0:ffff:cdd:385d
12.221.56.94 0:0:0:0:0:ffff:cdd:385e
12.221.56.95 0:0:0:0:0:ffff:cdd:385f
12.221.56.96 0:0:0:0:0:ffff:cdd:3860
12.221.56.97 0:0:0:0:0:ffff:cdd:3861
12.221.56.98 0:0:0:0:0:ffff:cdd:3862
12.221.56.99 0:0:0:0:0:ffff:cdd:3863
12.221.56.100 0:0:0:0:0:ffff:cdd:3864
12.221.56.101 0:0:0:0:0:ffff:cdd:3865
12.221.56.102 0:0:0:0:0:ffff:cdd:3866
12.221.56.103 0:0:0:0:0:ffff:cdd:3867
12.221.56.104 0:0:0:0:0:ffff:cdd:3868
12.221.56.105 0:0:0:0:0:ffff:cdd:3869
12.221.56.106 0:0:0:0:0:ffff:cdd:386a
12.221.56.107 0:0:0:0:0:ffff:cdd:386b
12.221.56.108 0:0:0:0:0:ffff:cdd:386c
12.221.56.109 0:0:0:0:0:ffff:cdd:386d
12.221.56.110 0:0:0:0:0:ffff:cdd:386e
12.221.56.111 0:0:0:0:0:ffff:cdd:386f
12.221.56.112 0:0:0:0:0:ffff:cdd:3870
12.221.56.113 0:0:0:0:0:ffff:cdd:3871
12.221.56.114 0:0:0:0:0:ffff:cdd:3872
12.221.56.115 0:0:0:0:0:ffff:cdd:3873
12.221.56.116 0:0:0:0:0:ffff:cdd:3874
12.221.56.117 0:0:0:0:0:ffff:cdd:3875
12.221.56.118 0:0:0:0:0:ffff:cdd:3876
12.221.56.119 0:0:0:0:0:ffff:cdd:3877
12.221.56.120 0:0:0:0:0:ffff:cdd:3878


12.221.56.121 0:0:0:0:0:ffff:cdd:3879
12.221.56.122 0:0:0:0:0:ffff:cdd:387a
12.221.56.123 0:0:0:0:0:ffff:cdd:387b
12.221.56.124 0:0:0:0:0:ffff:cdd:387c
12.221.56.125 0:0:0:0:0:ffff:cdd:387d
12.221.56.126 0:0:0:0:0:ffff:cdd:387e
12.221.56.127 0:0:0:0:0:ffff:cdd:387f
12.221.56.128 0:0:0:0:0:ffff:cdd:3880
12.221.56.129 0:0:0:0:0:ffff:cdd:3881
12.221.56.130 0:0:0:0:0:ffff:cdd:3882
12.221.56.131 0:0:0:0:0:ffff:cdd:3883
12.221.56.132 0:0:0:0:0:ffff:cdd:3884
12.221.56.133 0:0:0:0:0:ffff:cdd:3885
12.221.56.134 0:0:0:0:0:ffff:cdd:3886
12.221.56.135 0:0:0:0:0:ffff:cdd:3887
12.221.56.136 0:0:0:0:0:ffff:cdd:3888
12.221.56.137 0:0:0:0:0:ffff:cdd:3889
12.221.56.138 0:0:0:0:0:ffff:cdd:388a
12.221.56.139 0:0:0:0:0:ffff:cdd:388b
12.221.56.140 0:0:0:0:0:ffff:cdd:388c
12.221.56.141 0:0:0:0:0:ffff:cdd:388d
12.221.56.142 0:0:0:0:0:ffff:cdd:388e
12.221.56.143 0:0:0:0:0:ffff:cdd:388f
12.221.56.144 0:0:0:0:0:ffff:cdd:3890
12.221.56.145 0:0:0:0:0:ffff:cdd:3891
12.221.56.146 0:0:0:0:0:ffff:cdd:3892
12.221.56.147 0:0:0:0:0:ffff:cdd:3893
12.221.56.148 0:0:0:0:0:ffff:cdd:3894
12.221.56.149 0:0:0:0:0:ffff:cdd:3895
12.221.56.150 0:0:0:0:0:ffff:cdd:3896
12.221.56.151 0:0:0:0:0:ffff:cdd:3897
12.221.56.152 0:0:0:0:0:ffff:cdd:3898
12.221.56.153 0:0:0:0:0:ffff:cdd:3899
12.221.56.154 0:0:0:0:0:ffff:cdd:389a
12.221.56.155 0:0:0:0:0:ffff:cdd:389b
12.221.56.156 0:0:0:0:0:ffff:cdd:389c
12.221.56.157 0:0:0:0:0:ffff:cdd:389d
12.221.56.158 0:0:0:0:0:ffff:cdd:389e
12.221.56.159 0:0:0:0:0:ffff:cdd:389f
12.221.56.160 0:0:0:0:0:ffff:cdd:38a0
12.221.56.161 0:0:0:0:0:ffff:cdd:38a1
12.221.56.162 0:0:0:0:0:ffff:cdd:38a2
12.221.56.163 0:0:0:0:0:ffff:cdd:38a3
12.221.56.164 0:0:0:0:0:ffff:cdd:38a4
12.221.56.165 0:0:0:0:0:ffff:cdd:38a5
12.221.56.166 0:0:0:0:0:ffff:cdd:38a6
12.221.56.167 0:0:0:0:0:ffff:cdd:38a7
12.221.56.168 0:0:0:0:0:ffff:cdd:38a8
12.221.56.169 0:0:0:0:0:ffff:cdd:38a9
12.221.56.170 0:0:0:0:0:ffff:cdd:38aa
12.221.56.171 0:0:0:0:0:ffff:cdd:38ab
12.221.56.172 0:0:0:0:0:ffff:cdd:38ac
12.221.56.173 0:0:0:0:0:ffff:cdd:38ad
12.221.56.174 0:0:0:0:0:ffff:cdd:38ae
12.221.56.175 0:0:0:0:0:ffff:cdd:38af
12.221.56.176 0:0:0:0:0:ffff:cdd:38b0
12.221.56.177 0:0:0:0:0:ffff:cdd:38b1
12.221.56.178 0:0:0:0:0:ffff:cdd:38b2
12.221.56.179 0:0:0:0:0:ffff:cdd:38b3
12.221.56.180 0:0:0:0:0:ffff:cdd:38b4


12.221.56.181 0:0:0:0:0:ffff:cdd:38b5
12.221.56.182 0:0:0:0:0:ffff:cdd:38b6
12.221.56.183 0:0:0:0:0:ffff:cdd:38b7
12.221.56.184 0:0:0:0:0:ffff:cdd:38b8
12.221.56.185 0:0:0:0:0:ffff:cdd:38b9
12.221.56.186 0:0:0:0:0:ffff:cdd:38ba
12.221.56.187 0:0:0:0:0:ffff:cdd:38bb
12.221.56.188 0:0:0:0:0:ffff:cdd:38bc
12.221.56.189 0:0:0:0:0:ffff:cdd:38bd
12.221.56.190 0:0:0:0:0:ffff:cdd:38be
12.221.56.191 0:0:0:0:0:ffff:cdd:38bf
12.221.56.192 0:0:0:0:0:ffff:cdd:38c0
12.221.56.193 0:0:0:0:0:ffff:cdd:38c1
12.221.56.194 0:0:0:0:0:ffff:cdd:38c2
12.221.56.195 0:0:0:0:0:ffff:cdd:38c3
12.221.56.196 0:0:0:0:0:ffff:cdd:38c4
12.221.56.197 0:0:0:0:0:ffff:cdd:38c5
12.221.56.198 0:0:0:0:0:ffff:cdd:38c6
12.221.56.199 0:0:0:0:0:ffff:cdd:38c7
12.221.56.200 0:0:0:0:0:ffff:cdd:38c8
12.221.56.201 0:0:0:0:0:ffff:cdd:38c9
12.221.56.202 0:0:0:0:0:ffff:cdd:38ca
12.221.56.203 0:0:0:0:0:ffff:cdd:38cb
12.221.56.204 0:0:0:0:0:ffff:cdd:38cc
12.221.56.205 0:0:0:0:0:ffff:cdd:38cd
12.221.56.206 0:0:0:0:0:ffff:cdd:38ce
12.221.56.207 0:0:0:0:0:ffff:cdd:38cf
12.221.56.208 0:0:0:0:0:ffff:cdd:38d0
12.221.56.209 0:0:0:0:0:ffff:cdd:38d1
12.221.56.210 0:0:0:0:0:ffff:cdd:38d2
12.221.56.211 0:0:0:0:0:ffff:cdd:38d3
12.221.56.212 0:0:0:0:0:ffff:cdd:38d4
12.221.56.213 0:0:0:0:0:ffff:cdd:38d5
12.221.56.214 0:0:0:0:0:ffff:cdd:38d6
12.221.56.215 0:0:0:0:0:ffff:cdd:38d7
12.221.56.216 0:0:0:0:0:ffff:cdd:38d8
12.221.56.217 0:0:0:0:0:ffff:cdd:38d9
12.221.56.218 0:0:0:0:0:ffff:cdd:38da
12.221.56.219 0:0:0:0:0:ffff:cdd:38db
12.221.56.220 0:0:0:0:0:ffff:cdd:38dc
12.221.56.221 0:0:0:0:0:ffff:cdd:38dd
12.221.56.222 0:0:0:0:0:ffff:cdd:38de
12.221.56.223 0:0:0:0:0:ffff:cdd:38df
12.221.56.224 0:0:0:0:0:ffff:cdd:38e0
12.221.56.225 0:0:0:0:0:ffff:cdd:38e1
12.221.56.226 0:0:0:0:0:ffff:cdd:38e2
12.221.56.227 0:0:0:0:0:ffff:cdd:38e3
12.221.56.228 0:0:0:0:0:ffff:cdd:38e4
12.221.56.229 0:0:0:0:0:ffff:cdd:38e5
12.221.56.230 0:0:0:0:0:ffff:cdd:38e6
12.221.56.231 0:0:0:0:0:ffff:cdd:38e7
12.221.56.232 0:0:0:0:0:ffff:cdd:38e8
12.221.56.233 0:0:0:0:0:ffff:cdd:38e9
12.221.56.234 0:0:0:0:0:ffff:cdd:38ea
12.221.56.235 0:0:0:0:0:ffff:cdd:38eb
12.221.56.236 0:0:0:0:0:ffff:cdd:38ec
12.221.56.237 0:0:0:0:0:ffff:cdd:38ed
12.221.56.238 0:0:0:0:0:ffff:cdd:38ee
12.221.56.239 0:0:0:0:0:ffff:cdd:38ef
12.221.56.240 0:0:0:0:0:ffff:cdd:38f0
12.221.56.241 0:0:0:0:0:ffff:cdd:38f1
12.221.56.242 0:0:0:0:0:ffff:cdd:38f2
12.221.56.243 0:0:0:0:0:ffff:cdd:38f3
12.221.56.244 0:0:0:0:0:ffff:cdd:38f4
12.221.56.245 0:0:0:0:0:ffff:cdd:38f5
12.221.56.246 0:0:0:0:0:ffff:cdd:38f6
12.221.56.247 0:0:0:0:0:ffff:cdd:38f7
12.221.56.248 0:0:0:0:0:ffff:cdd:38f8
12.221.56.249 0:0:0:0:0:ffff:cdd:38f9
12.221.56.250 0:0:0:0:0:ffff:cdd:38fa
12.221.56.251 0:0:0:0:0:ffff:cdd:38fb
12.221.56.252 0:0:0:0:0:ffff:cdd:38fc
12.221.56.253 0:0:0:0:0:ffff:cdd:38fd
12.221.56.254 0:0:0:0:0:ffff:cdd:38fe
12.221.56.255 0:0:0:0:0:ffff:cdd: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.