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
151.123.152.1 0:0:0:0:0:ffff:977b:9801
151.123.152.2 0:0:0:0:0:ffff:977b:9802
151.123.152.3 0:0:0:0:0:ffff:977b:9803
151.123.152.4 0:0:0:0:0:ffff:977b:9804
151.123.152.5 0:0:0:0:0:ffff:977b:9805
151.123.152.6 0:0:0:0:0:ffff:977b:9806
151.123.152.7 0:0:0:0:0:ffff:977b:9807
151.123.152.8 0:0:0:0:0:ffff:977b:9808
151.123.152.9 0:0:0:0:0:ffff:977b:9809
151.123.152.10 0:0:0:0:0:ffff:977b:980a
151.123.152.11 0:0:0:0:0:ffff:977b:980b
151.123.152.12 0:0:0:0:0:ffff:977b:980c
151.123.152.13 0:0:0:0:0:ffff:977b:980d
151.123.152.14 0:0:0:0:0:ffff:977b:980e
151.123.152.15 0:0:0:0:0:ffff:977b:980f
151.123.152.16 0:0:0:0:0:ffff:977b:9810
151.123.152.17 0:0:0:0:0:ffff:977b:9811
151.123.152.18 0:0:0:0:0:ffff:977b:9812
151.123.152.19 0:0:0:0:0:ffff:977b:9813
151.123.152.20 0:0:0:0:0:ffff:977b:9814
151.123.152.21 0:0:0:0:0:ffff:977b:9815
151.123.152.22 0:0:0:0:0:ffff:977b:9816
151.123.152.23 0:0:0:0:0:ffff:977b:9817
151.123.152.24 0:0:0:0:0:ffff:977b:9818
151.123.152.25 0:0:0:0:0:ffff:977b:9819
151.123.152.26 0:0:0:0:0:ffff:977b:981a
151.123.152.27 0:0:0:0:0:ffff:977b:981b
151.123.152.28 0:0:0:0:0:ffff:977b:981c
151.123.152.29 0:0:0:0:0:ffff:977b:981d
151.123.152.30 0:0:0:0:0:ffff:977b:981e
151.123.152.31 0:0:0:0:0:ffff:977b:981f
151.123.152.32 0:0:0:0:0:ffff:977b:9820
151.123.152.33 0:0:0:0:0:ffff:977b:9821
151.123.152.34 0:0:0:0:0:ffff:977b:9822
151.123.152.35 0:0:0:0:0:ffff:977b:9823
151.123.152.36 0:0:0:0:0:ffff:977b:9824
151.123.152.37 0:0:0:0:0:ffff:977b:9825
151.123.152.38 0:0:0:0:0:ffff:977b:9826
151.123.152.39 0:0:0:0:0:ffff:977b:9827
151.123.152.40 0:0:0:0:0:ffff:977b:9828
151.123.152.41 0:0:0:0:0:ffff:977b:9829
151.123.152.42 0:0:0:0:0:ffff:977b:982a
151.123.152.43 0:0:0:0:0:ffff:977b:982b
151.123.152.44 0:0:0:0:0:ffff:977b:982c
151.123.152.45 0:0:0:0:0:ffff:977b:982d
151.123.152.46 0:0:0:0:0:ffff:977b:982e
151.123.152.47 0:0:0:0:0:ffff:977b:982f
151.123.152.48 0:0:0:0:0:ffff:977b:9830
151.123.152.49 0:0:0:0:0:ffff:977b:9831
151.123.152.50 0:0:0:0:0:ffff:977b:9832
151.123.152.51 0:0:0:0:0:ffff:977b:9833
151.123.152.52 0:0:0:0:0:ffff:977b:9834
151.123.152.53 0:0:0:0:0:ffff:977b:9835
151.123.152.54 0:0:0:0:0:ffff:977b:9836
151.123.152.55 0:0:0:0:0:ffff:977b:9837
151.123.152.56 0:0:0:0:0:ffff:977b:9838
151.123.152.57 0:0:0:0:0:ffff:977b:9839
151.123.152.58 0:0:0:0:0:ffff:977b:983a
151.123.152.59 0:0:0:0:0:ffff:977b:983b
151.123.152.60 0:0:0:0:0:ffff:977b:983c


151.123.152.61 0:0:0:0:0:ffff:977b:983d
151.123.152.62 0:0:0:0:0:ffff:977b:983e
151.123.152.63 0:0:0:0:0:ffff:977b:983f
151.123.152.64 0:0:0:0:0:ffff:977b:9840
151.123.152.65 0:0:0:0:0:ffff:977b:9841
151.123.152.66 0:0:0:0:0:ffff:977b:9842
151.123.152.67 0:0:0:0:0:ffff:977b:9843
151.123.152.68 0:0:0:0:0:ffff:977b:9844
151.123.152.69 0:0:0:0:0:ffff:977b:9845
151.123.152.70 0:0:0:0:0:ffff:977b:9846
151.123.152.71 0:0:0:0:0:ffff:977b:9847
151.123.152.72 0:0:0:0:0:ffff:977b:9848
151.123.152.73 0:0:0:0:0:ffff:977b:9849
151.123.152.74 0:0:0:0:0:ffff:977b:984a
151.123.152.75 0:0:0:0:0:ffff:977b:984b
151.123.152.76 0:0:0:0:0:ffff:977b:984c
151.123.152.77 0:0:0:0:0:ffff:977b:984d
151.123.152.78 0:0:0:0:0:ffff:977b:984e
151.123.152.79 0:0:0:0:0:ffff:977b:984f
151.123.152.80 0:0:0:0:0:ffff:977b:9850
151.123.152.81 0:0:0:0:0:ffff:977b:9851
151.123.152.82 0:0:0:0:0:ffff:977b:9852
151.123.152.83 0:0:0:0:0:ffff:977b:9853
151.123.152.84 0:0:0:0:0:ffff:977b:9854
151.123.152.85 0:0:0:0:0:ffff:977b:9855
151.123.152.86 0:0:0:0:0:ffff:977b:9856
151.123.152.87 0:0:0:0:0:ffff:977b:9857
151.123.152.88 0:0:0:0:0:ffff:977b:9858
151.123.152.89 0:0:0:0:0:ffff:977b:9859
151.123.152.90 0:0:0:0:0:ffff:977b:985a
151.123.152.91 0:0:0:0:0:ffff:977b:985b
151.123.152.92 0:0:0:0:0:ffff:977b:985c
151.123.152.93 0:0:0:0:0:ffff:977b:985d
151.123.152.94 0:0:0:0:0:ffff:977b:985e
151.123.152.95 0:0:0:0:0:ffff:977b:985f
151.123.152.96 0:0:0:0:0:ffff:977b:9860
151.123.152.97 0:0:0:0:0:ffff:977b:9861
151.123.152.98 0:0:0:0:0:ffff:977b:9862
151.123.152.99 0:0:0:0:0:ffff:977b:9863
151.123.152.100 0:0:0:0:0:ffff:977b:9864
151.123.152.101 0:0:0:0:0:ffff:977b:9865
151.123.152.102 0:0:0:0:0:ffff:977b:9866
151.123.152.103 0:0:0:0:0:ffff:977b:9867
151.123.152.104 0:0:0:0:0:ffff:977b:9868
151.123.152.105 0:0:0:0:0:ffff:977b:9869
151.123.152.106 0:0:0:0:0:ffff:977b:986a
151.123.152.107 0:0:0:0:0:ffff:977b:986b
151.123.152.108 0:0:0:0:0:ffff:977b:986c
151.123.152.109 0:0:0:0:0:ffff:977b:986d
151.123.152.110 0:0:0:0:0:ffff:977b:986e
151.123.152.111 0:0:0:0:0:ffff:977b:986f
151.123.152.112 0:0:0:0:0:ffff:977b:9870
151.123.152.113 0:0:0:0:0:ffff:977b:9871
151.123.152.114 0:0:0:0:0:ffff:977b:9872
151.123.152.115 0:0:0:0:0:ffff:977b:9873
151.123.152.116 0:0:0:0:0:ffff:977b:9874
151.123.152.117 0:0:0:0:0:ffff:977b:9875
151.123.152.118 0:0:0:0:0:ffff:977b:9876
151.123.152.119 0:0:0:0:0:ffff:977b:9877
151.123.152.120 0:0:0:0:0:ffff:977b:9878


151.123.152.121 0:0:0:0:0:ffff:977b:9879
151.123.152.122 0:0:0:0:0:ffff:977b:987a
151.123.152.123 0:0:0:0:0:ffff:977b:987b
151.123.152.124 0:0:0:0:0:ffff:977b:987c
151.123.152.125 0:0:0:0:0:ffff:977b:987d
151.123.152.126 0:0:0:0:0:ffff:977b:987e
151.123.152.127 0:0:0:0:0:ffff:977b:987f
151.123.152.128 0:0:0:0:0:ffff:977b:9880
151.123.152.129 0:0:0:0:0:ffff:977b:9881
151.123.152.130 0:0:0:0:0:ffff:977b:9882
151.123.152.131 0:0:0:0:0:ffff:977b:9883
151.123.152.132 0:0:0:0:0:ffff:977b:9884
151.123.152.133 0:0:0:0:0:ffff:977b:9885
151.123.152.134 0:0:0:0:0:ffff:977b:9886
151.123.152.135 0:0:0:0:0:ffff:977b:9887
151.123.152.136 0:0:0:0:0:ffff:977b:9888
151.123.152.137 0:0:0:0:0:ffff:977b:9889
151.123.152.138 0:0:0:0:0:ffff:977b:988a
151.123.152.139 0:0:0:0:0:ffff:977b:988b
151.123.152.140 0:0:0:0:0:ffff:977b:988c
151.123.152.141 0:0:0:0:0:ffff:977b:988d
151.123.152.142 0:0:0:0:0:ffff:977b:988e
151.123.152.143 0:0:0:0:0:ffff:977b:988f
151.123.152.144 0:0:0:0:0:ffff:977b:9890
151.123.152.145 0:0:0:0:0:ffff:977b:9891
151.123.152.146 0:0:0:0:0:ffff:977b:9892
151.123.152.147 0:0:0:0:0:ffff:977b:9893
151.123.152.148 0:0:0:0:0:ffff:977b:9894
151.123.152.149 0:0:0:0:0:ffff:977b:9895
151.123.152.150 0:0:0:0:0:ffff:977b:9896
151.123.152.151 0:0:0:0:0:ffff:977b:9897
151.123.152.152 0:0:0:0:0:ffff:977b:9898
151.123.152.153 0:0:0:0:0:ffff:977b:9899
151.123.152.154 0:0:0:0:0:ffff:977b:989a
151.123.152.155 0:0:0:0:0:ffff:977b:989b
151.123.152.156 0:0:0:0:0:ffff:977b:989c
151.123.152.157 0:0:0:0:0:ffff:977b:989d
151.123.152.158 0:0:0:0:0:ffff:977b:989e
151.123.152.159 0:0:0:0:0:ffff:977b:989f
151.123.152.160 0:0:0:0:0:ffff:977b:98a0
151.123.152.161 0:0:0:0:0:ffff:977b:98a1
151.123.152.162 0:0:0:0:0:ffff:977b:98a2
151.123.152.163 0:0:0:0:0:ffff:977b:98a3
151.123.152.164 0:0:0:0:0:ffff:977b:98a4
151.123.152.165 0:0:0:0:0:ffff:977b:98a5
151.123.152.166 0:0:0:0:0:ffff:977b:98a6
151.123.152.167 0:0:0:0:0:ffff:977b:98a7
151.123.152.168 0:0:0:0:0:ffff:977b:98a8
151.123.152.169 0:0:0:0:0:ffff:977b:98a9
151.123.152.170 0:0:0:0:0:ffff:977b:98aa
151.123.152.171 0:0:0:0:0:ffff:977b:98ab
151.123.152.172 0:0:0:0:0:ffff:977b:98ac
151.123.152.173 0:0:0:0:0:ffff:977b:98ad
151.123.152.174 0:0:0:0:0:ffff:977b:98ae
151.123.152.175 0:0:0:0:0:ffff:977b:98af
151.123.152.176 0:0:0:0:0:ffff:977b:98b0
151.123.152.177 0:0:0:0:0:ffff:977b:98b1
151.123.152.178 0:0:0:0:0:ffff:977b:98b2
151.123.152.179 0:0:0:0:0:ffff:977b:98b3
151.123.152.180 0:0:0:0:0:ffff:977b:98b4


151.123.152.181 0:0:0:0:0:ffff:977b:98b5
151.123.152.182 0:0:0:0:0:ffff:977b:98b6
151.123.152.183 0:0:0:0:0:ffff:977b:98b7
151.123.152.184 0:0:0:0:0:ffff:977b:98b8
151.123.152.185 0:0:0:0:0:ffff:977b:98b9
151.123.152.186 0:0:0:0:0:ffff:977b:98ba
151.123.152.187 0:0:0:0:0:ffff:977b:98bb
151.123.152.188 0:0:0:0:0:ffff:977b:98bc
151.123.152.189 0:0:0:0:0:ffff:977b:98bd
151.123.152.190 0:0:0:0:0:ffff:977b:98be
151.123.152.191 0:0:0:0:0:ffff:977b:98bf
151.123.152.192 0:0:0:0:0:ffff:977b:98c0
151.123.152.193 0:0:0:0:0:ffff:977b:98c1
151.123.152.194 0:0:0:0:0:ffff:977b:98c2
151.123.152.195 0:0:0:0:0:ffff:977b:98c3
151.123.152.196 0:0:0:0:0:ffff:977b:98c4
151.123.152.197 0:0:0:0:0:ffff:977b:98c5
151.123.152.198 0:0:0:0:0:ffff:977b:98c6
151.123.152.199 0:0:0:0:0:ffff:977b:98c7
151.123.152.200 0:0:0:0:0:ffff:977b:98c8
151.123.152.201 0:0:0:0:0:ffff:977b:98c9
151.123.152.202 0:0:0:0:0:ffff:977b:98ca
151.123.152.203 0:0:0:0:0:ffff:977b:98cb
151.123.152.204 0:0:0:0:0:ffff:977b:98cc
151.123.152.205 0:0:0:0:0:ffff:977b:98cd
151.123.152.206 0:0:0:0:0:ffff:977b:98ce
151.123.152.207 0:0:0:0:0:ffff:977b:98cf
151.123.152.208 0:0:0:0:0:ffff:977b:98d0
151.123.152.209 0:0:0:0:0:ffff:977b:98d1
151.123.152.210 0:0:0:0:0:ffff:977b:98d2
151.123.152.211 0:0:0:0:0:ffff:977b:98d3
151.123.152.212 0:0:0:0:0:ffff:977b:98d4
151.123.152.213 0:0:0:0:0:ffff:977b:98d5
151.123.152.214 0:0:0:0:0:ffff:977b:98d6
151.123.152.215 0:0:0:0:0:ffff:977b:98d7
151.123.152.216 0:0:0:0:0:ffff:977b:98d8
151.123.152.217 0:0:0:0:0:ffff:977b:98d9
151.123.152.218 0:0:0:0:0:ffff:977b:98da
151.123.152.219 0:0:0:0:0:ffff:977b:98db
151.123.152.220 0:0:0:0:0:ffff:977b:98dc
151.123.152.221 0:0:0:0:0:ffff:977b:98dd
151.123.152.222 0:0:0:0:0:ffff:977b:98de
151.123.152.223 0:0:0:0:0:ffff:977b:98df
151.123.152.224 0:0:0:0:0:ffff:977b:98e0
151.123.152.225 0:0:0:0:0:ffff:977b:98e1
151.123.152.226 0:0:0:0:0:ffff:977b:98e2
151.123.152.227 0:0:0:0:0:ffff:977b:98e3
151.123.152.228 0:0:0:0:0:ffff:977b:98e4
151.123.152.229 0:0:0:0:0:ffff:977b:98e5
151.123.152.230 0:0:0:0:0:ffff:977b:98e6
151.123.152.231 0:0:0:0:0:ffff:977b:98e7
151.123.152.232 0:0:0:0:0:ffff:977b:98e8
151.123.152.233 0:0:0:0:0:ffff:977b:98e9
151.123.152.234 0:0:0:0:0:ffff:977b:98ea
151.123.152.235 0:0:0:0:0:ffff:977b:98eb
151.123.152.236 0:0:0:0:0:ffff:977b:98ec
151.123.152.237 0:0:0:0:0:ffff:977b:98ed
151.123.152.238 0:0:0:0:0:ffff:977b:98ee
151.123.152.239 0:0:0:0:0:ffff:977b:98ef
151.123.152.240 0:0:0:0:0:ffff:977b:98f0
151.123.152.241 0:0:0:0:0:ffff:977b:98f1
151.123.152.242 0:0:0:0:0:ffff:977b:98f2
151.123.152.243 0:0:0:0:0:ffff:977b:98f3
151.123.152.244 0:0:0:0:0:ffff:977b:98f4
151.123.152.245 0:0:0:0:0:ffff:977b:98f5
151.123.152.246 0:0:0:0:0:ffff:977b:98f6
151.123.152.247 0:0:0:0:0:ffff:977b:98f7
151.123.152.248 0:0:0:0:0:ffff:977b:98f8
151.123.152.249 0:0:0:0:0:ffff:977b:98f9
151.123.152.250 0:0:0:0:0:ffff:977b:98fa
151.123.152.251 0:0:0:0:0:ffff:977b:98fb
151.123.152.252 0:0:0:0:0:ffff:977b:98fc
151.123.152.253 0:0:0:0:0:ffff:977b:98fd
151.123.152.254 0:0:0:0:0:ffff:977b:98fe
151.123.152.255 0:0:0:0:0:ffff:977b:98ff


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.