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
128.30.56.1 0:0:0:0:0:ffff:801e:3801
128.30.56.2 0:0:0:0:0:ffff:801e:3802
128.30.56.3 0:0:0:0:0:ffff:801e:3803
128.30.56.4 0:0:0:0:0:ffff:801e:3804
128.30.56.5 0:0:0:0:0:ffff:801e:3805
128.30.56.6 0:0:0:0:0:ffff:801e:3806
128.30.56.7 0:0:0:0:0:ffff:801e:3807
128.30.56.8 0:0:0:0:0:ffff:801e:3808
128.30.56.9 0:0:0:0:0:ffff:801e:3809
128.30.56.10 0:0:0:0:0:ffff:801e:380a
128.30.56.11 0:0:0:0:0:ffff:801e:380b
128.30.56.12 0:0:0:0:0:ffff:801e:380c
128.30.56.13 0:0:0:0:0:ffff:801e:380d
128.30.56.14 0:0:0:0:0:ffff:801e:380e
128.30.56.15 0:0:0:0:0:ffff:801e:380f
128.30.56.16 0:0:0:0:0:ffff:801e:3810
128.30.56.17 0:0:0:0:0:ffff:801e:3811
128.30.56.18 0:0:0:0:0:ffff:801e:3812
128.30.56.19 0:0:0:0:0:ffff:801e:3813
128.30.56.20 0:0:0:0:0:ffff:801e:3814
128.30.56.21 0:0:0:0:0:ffff:801e:3815
128.30.56.22 0:0:0:0:0:ffff:801e:3816
128.30.56.23 0:0:0:0:0:ffff:801e:3817
128.30.56.24 0:0:0:0:0:ffff:801e:3818
128.30.56.25 0:0:0:0:0:ffff:801e:3819
128.30.56.26 0:0:0:0:0:ffff:801e:381a
128.30.56.27 0:0:0:0:0:ffff:801e:381b
128.30.56.28 0:0:0:0:0:ffff:801e:381c
128.30.56.29 0:0:0:0:0:ffff:801e:381d
128.30.56.30 0:0:0:0:0:ffff:801e:381e
128.30.56.31 0:0:0:0:0:ffff:801e:381f
128.30.56.32 0:0:0:0:0:ffff:801e:3820
128.30.56.33 0:0:0:0:0:ffff:801e:3821
128.30.56.34 0:0:0:0:0:ffff:801e:3822
128.30.56.35 0:0:0:0:0:ffff:801e:3823
128.30.56.36 0:0:0:0:0:ffff:801e:3824
128.30.56.37 0:0:0:0:0:ffff:801e:3825
128.30.56.38 0:0:0:0:0:ffff:801e:3826
128.30.56.39 0:0:0:0:0:ffff:801e:3827
128.30.56.40 0:0:0:0:0:ffff:801e:3828
128.30.56.41 0:0:0:0:0:ffff:801e:3829
128.30.56.42 0:0:0:0:0:ffff:801e:382a
128.30.56.43 0:0:0:0:0:ffff:801e:382b
128.30.56.44 0:0:0:0:0:ffff:801e:382c
128.30.56.45 0:0:0:0:0:ffff:801e:382d
128.30.56.46 0:0:0:0:0:ffff:801e:382e
128.30.56.47 0:0:0:0:0:ffff:801e:382f
128.30.56.48 0:0:0:0:0:ffff:801e:3830
128.30.56.49 0:0:0:0:0:ffff:801e:3831
128.30.56.50 0:0:0:0:0:ffff:801e:3832
128.30.56.51 0:0:0:0:0:ffff:801e:3833
128.30.56.52 0:0:0:0:0:ffff:801e:3834
128.30.56.53 0:0:0:0:0:ffff:801e:3835
128.30.56.54 0:0:0:0:0:ffff:801e:3836
128.30.56.55 0:0:0:0:0:ffff:801e:3837
128.30.56.56 0:0:0:0:0:ffff:801e:3838
128.30.56.57 0:0:0:0:0:ffff:801e:3839
128.30.56.58 0:0:0:0:0:ffff:801e:383a
128.30.56.59 0:0:0:0:0:ffff:801e:383b
128.30.56.60 0:0:0:0:0:ffff:801e:383c


128.30.56.61 0:0:0:0:0:ffff:801e:383d
128.30.56.62 0:0:0:0:0:ffff:801e:383e
128.30.56.63 0:0:0:0:0:ffff:801e:383f
128.30.56.64 0:0:0:0:0:ffff:801e:3840
128.30.56.65 0:0:0:0:0:ffff:801e:3841
128.30.56.66 0:0:0:0:0:ffff:801e:3842
128.30.56.67 0:0:0:0:0:ffff:801e:3843
128.30.56.68 0:0:0:0:0:ffff:801e:3844
128.30.56.69 0:0:0:0:0:ffff:801e:3845
128.30.56.70 0:0:0:0:0:ffff:801e:3846
128.30.56.71 0:0:0:0:0:ffff:801e:3847
128.30.56.72 0:0:0:0:0:ffff:801e:3848
128.30.56.73 0:0:0:0:0:ffff:801e:3849
128.30.56.74 0:0:0:0:0:ffff:801e:384a
128.30.56.75 0:0:0:0:0:ffff:801e:384b
128.30.56.76 0:0:0:0:0:ffff:801e:384c
128.30.56.77 0:0:0:0:0:ffff:801e:384d
128.30.56.78 0:0:0:0:0:ffff:801e:384e
128.30.56.79 0:0:0:0:0:ffff:801e:384f
128.30.56.80 0:0:0:0:0:ffff:801e:3850
128.30.56.81 0:0:0:0:0:ffff:801e:3851
128.30.56.82 0:0:0:0:0:ffff:801e:3852
128.30.56.83 0:0:0:0:0:ffff:801e:3853
128.30.56.84 0:0:0:0:0:ffff:801e:3854
128.30.56.85 0:0:0:0:0:ffff:801e:3855
128.30.56.86 0:0:0:0:0:ffff:801e:3856
128.30.56.87 0:0:0:0:0:ffff:801e:3857
128.30.56.88 0:0:0:0:0:ffff:801e:3858
128.30.56.89 0:0:0:0:0:ffff:801e:3859
128.30.56.90 0:0:0:0:0:ffff:801e:385a
128.30.56.91 0:0:0:0:0:ffff:801e:385b
128.30.56.92 0:0:0:0:0:ffff:801e:385c
128.30.56.93 0:0:0:0:0:ffff:801e:385d
128.30.56.94 0:0:0:0:0:ffff:801e:385e
128.30.56.95 0:0:0:0:0:ffff:801e:385f
128.30.56.96 0:0:0:0:0:ffff:801e:3860
128.30.56.97 0:0:0:0:0:ffff:801e:3861
128.30.56.98 0:0:0:0:0:ffff:801e:3862
128.30.56.99 0:0:0:0:0:ffff:801e:3863
128.30.56.100 0:0:0:0:0:ffff:801e:3864
128.30.56.101 0:0:0:0:0:ffff:801e:3865
128.30.56.102 0:0:0:0:0:ffff:801e:3866
128.30.56.103 0:0:0:0:0:ffff:801e:3867
128.30.56.104 0:0:0:0:0:ffff:801e:3868
128.30.56.105 0:0:0:0:0:ffff:801e:3869
128.30.56.106 0:0:0:0:0:ffff:801e:386a
128.30.56.107 0:0:0:0:0:ffff:801e:386b
128.30.56.108 0:0:0:0:0:ffff:801e:386c
128.30.56.109 0:0:0:0:0:ffff:801e:386d
128.30.56.110 0:0:0:0:0:ffff:801e:386e
128.30.56.111 0:0:0:0:0:ffff:801e:386f
128.30.56.112 0:0:0:0:0:ffff:801e:3870
128.30.56.113 0:0:0:0:0:ffff:801e:3871
128.30.56.114 0:0:0:0:0:ffff:801e:3872
128.30.56.115 0:0:0:0:0:ffff:801e:3873
128.30.56.116 0:0:0:0:0:ffff:801e:3874
128.30.56.117 0:0:0:0:0:ffff:801e:3875
128.30.56.118 0:0:0:0:0:ffff:801e:3876
128.30.56.119 0:0:0:0:0:ffff:801e:3877
128.30.56.120 0:0:0:0:0:ffff:801e:3878


128.30.56.121 0:0:0:0:0:ffff:801e:3879
128.30.56.122 0:0:0:0:0:ffff:801e:387a
128.30.56.123 0:0:0:0:0:ffff:801e:387b
128.30.56.124 0:0:0:0:0:ffff:801e:387c
128.30.56.125 0:0:0:0:0:ffff:801e:387d
128.30.56.126 0:0:0:0:0:ffff:801e:387e
128.30.56.127 0:0:0:0:0:ffff:801e:387f
128.30.56.128 0:0:0:0:0:ffff:801e:3880
128.30.56.129 0:0:0:0:0:ffff:801e:3881
128.30.56.130 0:0:0:0:0:ffff:801e:3882
128.30.56.131 0:0:0:0:0:ffff:801e:3883
128.30.56.132 0:0:0:0:0:ffff:801e:3884
128.30.56.133 0:0:0:0:0:ffff:801e:3885
128.30.56.134 0:0:0:0:0:ffff:801e:3886
128.30.56.135 0:0:0:0:0:ffff:801e:3887
128.30.56.136 0:0:0:0:0:ffff:801e:3888
128.30.56.137 0:0:0:0:0:ffff:801e:3889
128.30.56.138 0:0:0:0:0:ffff:801e:388a
128.30.56.139 0:0:0:0:0:ffff:801e:388b
128.30.56.140 0:0:0:0:0:ffff:801e:388c
128.30.56.141 0:0:0:0:0:ffff:801e:388d
128.30.56.142 0:0:0:0:0:ffff:801e:388e
128.30.56.143 0:0:0:0:0:ffff:801e:388f
128.30.56.144 0:0:0:0:0:ffff:801e:3890
128.30.56.145 0:0:0:0:0:ffff:801e:3891
128.30.56.146 0:0:0:0:0:ffff:801e:3892
128.30.56.147 0:0:0:0:0:ffff:801e:3893
128.30.56.148 0:0:0:0:0:ffff:801e:3894
128.30.56.149 0:0:0:0:0:ffff:801e:3895
128.30.56.150 0:0:0:0:0:ffff:801e:3896
128.30.56.151 0:0:0:0:0:ffff:801e:3897
128.30.56.152 0:0:0:0:0:ffff:801e:3898
128.30.56.153 0:0:0:0:0:ffff:801e:3899
128.30.56.154 0:0:0:0:0:ffff:801e:389a
128.30.56.155 0:0:0:0:0:ffff:801e:389b
128.30.56.156 0:0:0:0:0:ffff:801e:389c
128.30.56.157 0:0:0:0:0:ffff:801e:389d
128.30.56.158 0:0:0:0:0:ffff:801e:389e
128.30.56.159 0:0:0:0:0:ffff:801e:389f
128.30.56.160 0:0:0:0:0:ffff:801e:38a0
128.30.56.161 0:0:0:0:0:ffff:801e:38a1
128.30.56.162 0:0:0:0:0:ffff:801e:38a2
128.30.56.163 0:0:0:0:0:ffff:801e:38a3
128.30.56.164 0:0:0:0:0:ffff:801e:38a4
128.30.56.165 0:0:0:0:0:ffff:801e:38a5
128.30.56.166 0:0:0:0:0:ffff:801e:38a6
128.30.56.167 0:0:0:0:0:ffff:801e:38a7
128.30.56.168 0:0:0:0:0:ffff:801e:38a8
128.30.56.169 0:0:0:0:0:ffff:801e:38a9
128.30.56.170 0:0:0:0:0:ffff:801e:38aa
128.30.56.171 0:0:0:0:0:ffff:801e:38ab
128.30.56.172 0:0:0:0:0:ffff:801e:38ac
128.30.56.173 0:0:0:0:0:ffff:801e:38ad
128.30.56.174 0:0:0:0:0:ffff:801e:38ae
128.30.56.175 0:0:0:0:0:ffff:801e:38af
128.30.56.176 0:0:0:0:0:ffff:801e:38b0
128.30.56.177 0:0:0:0:0:ffff:801e:38b1
128.30.56.178 0:0:0:0:0:ffff:801e:38b2
128.30.56.179 0:0:0:0:0:ffff:801e:38b3
128.30.56.180 0:0:0:0:0:ffff:801e:38b4


128.30.56.181 0:0:0:0:0:ffff:801e:38b5
128.30.56.182 0:0:0:0:0:ffff:801e:38b6
128.30.56.183 0:0:0:0:0:ffff:801e:38b7
128.30.56.184 0:0:0:0:0:ffff:801e:38b8
128.30.56.185 0:0:0:0:0:ffff:801e:38b9
128.30.56.186 0:0:0:0:0:ffff:801e:38ba
128.30.56.187 0:0:0:0:0:ffff:801e:38bb
128.30.56.188 0:0:0:0:0:ffff:801e:38bc
128.30.56.189 0:0:0:0:0:ffff:801e:38bd
128.30.56.190 0:0:0:0:0:ffff:801e:38be
128.30.56.191 0:0:0:0:0:ffff:801e:38bf
128.30.56.192 0:0:0:0:0:ffff:801e:38c0
128.30.56.193 0:0:0:0:0:ffff:801e:38c1
128.30.56.194 0:0:0:0:0:ffff:801e:38c2
128.30.56.195 0:0:0:0:0:ffff:801e:38c3
128.30.56.196 0:0:0:0:0:ffff:801e:38c4
128.30.56.197 0:0:0:0:0:ffff:801e:38c5
128.30.56.198 0:0:0:0:0:ffff:801e:38c6
128.30.56.199 0:0:0:0:0:ffff:801e:38c7
128.30.56.200 0:0:0:0:0:ffff:801e:38c8
128.30.56.201 0:0:0:0:0:ffff:801e:38c9
128.30.56.202 0:0:0:0:0:ffff:801e:38ca
128.30.56.203 0:0:0:0:0:ffff:801e:38cb
128.30.56.204 0:0:0:0:0:ffff:801e:38cc
128.30.56.205 0:0:0:0:0:ffff:801e:38cd
128.30.56.206 0:0:0:0:0:ffff:801e:38ce
128.30.56.207 0:0:0:0:0:ffff:801e:38cf
128.30.56.208 0:0:0:0:0:ffff:801e:38d0
128.30.56.209 0:0:0:0:0:ffff:801e:38d1
128.30.56.210 0:0:0:0:0:ffff:801e:38d2
128.30.56.211 0:0:0:0:0:ffff:801e:38d3
128.30.56.212 0:0:0:0:0:ffff:801e:38d4
128.30.56.213 0:0:0:0:0:ffff:801e:38d5
128.30.56.214 0:0:0:0:0:ffff:801e:38d6
128.30.56.215 0:0:0:0:0:ffff:801e:38d7
128.30.56.216 0:0:0:0:0:ffff:801e:38d8
128.30.56.217 0:0:0:0:0:ffff:801e:38d9
128.30.56.218 0:0:0:0:0:ffff:801e:38da
128.30.56.219 0:0:0:0:0:ffff:801e:38db
128.30.56.220 0:0:0:0:0:ffff:801e:38dc
128.30.56.221 0:0:0:0:0:ffff:801e:38dd
128.30.56.222 0:0:0:0:0:ffff:801e:38de
128.30.56.223 0:0:0:0:0:ffff:801e:38df
128.30.56.224 0:0:0:0:0:ffff:801e:38e0
128.30.56.225 0:0:0:0:0:ffff:801e:38e1
128.30.56.226 0:0:0:0:0:ffff:801e:38e2
128.30.56.227 0:0:0:0:0:ffff:801e:38e3
128.30.56.228 0:0:0:0:0:ffff:801e:38e4
128.30.56.229 0:0:0:0:0:ffff:801e:38e5
128.30.56.230 0:0:0:0:0:ffff:801e:38e6
128.30.56.231 0:0:0:0:0:ffff:801e:38e7
128.30.56.232 0:0:0:0:0:ffff:801e:38e8
128.30.56.233 0:0:0:0:0:ffff:801e:38e9
128.30.56.234 0:0:0:0:0:ffff:801e:38ea
128.30.56.235 0:0:0:0:0:ffff:801e:38eb
128.30.56.236 0:0:0:0:0:ffff:801e:38ec
128.30.56.237 0:0:0:0:0:ffff:801e:38ed
128.30.56.238 0:0:0:0:0:ffff:801e:38ee
128.30.56.239 0:0:0:0:0:ffff:801e:38ef
128.30.56.240 0:0:0:0:0:ffff:801e:38f0
128.30.56.241 0:0:0:0:0:ffff:801e:38f1
128.30.56.242 0:0:0:0:0:ffff:801e:38f2
128.30.56.243 0:0:0:0:0:ffff:801e:38f3
128.30.56.244 0:0:0:0:0:ffff:801e:38f4
128.30.56.245 0:0:0:0:0:ffff:801e:38f5
128.30.56.246 0:0:0:0:0:ffff:801e:38f6
128.30.56.247 0:0:0:0:0:ffff:801e:38f7
128.30.56.248 0:0:0:0:0:ffff:801e:38f8
128.30.56.249 0:0:0:0:0:ffff:801e:38f9
128.30.56.250 0:0:0:0:0:ffff:801e:38fa
128.30.56.251 0:0:0:0:0:ffff:801e:38fb
128.30.56.252 0:0:0:0:0:ffff:801e:38fc
128.30.56.253 0:0:0:0:0:ffff:801e:38fd
128.30.56.254 0:0:0:0:0:ffff:801e:38fe
128.30.56.255 0:0:0:0:0:ffff:801e: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.