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
142.18.151.1 0:0:0:0:0:ffff:8e12:9701
142.18.151.2 0:0:0:0:0:ffff:8e12:9702
142.18.151.3 0:0:0:0:0:ffff:8e12:9703
142.18.151.4 0:0:0:0:0:ffff:8e12:9704
142.18.151.5 0:0:0:0:0:ffff:8e12:9705
142.18.151.6 0:0:0:0:0:ffff:8e12:9706
142.18.151.7 0:0:0:0:0:ffff:8e12:9707
142.18.151.8 0:0:0:0:0:ffff:8e12:9708
142.18.151.9 0:0:0:0:0:ffff:8e12:9709
142.18.151.10 0:0:0:0:0:ffff:8e12:970a
142.18.151.11 0:0:0:0:0:ffff:8e12:970b
142.18.151.12 0:0:0:0:0:ffff:8e12:970c
142.18.151.13 0:0:0:0:0:ffff:8e12:970d
142.18.151.14 0:0:0:0:0:ffff:8e12:970e
142.18.151.15 0:0:0:0:0:ffff:8e12:970f
142.18.151.16 0:0:0:0:0:ffff:8e12:9710
142.18.151.17 0:0:0:0:0:ffff:8e12:9711
142.18.151.18 0:0:0:0:0:ffff:8e12:9712
142.18.151.19 0:0:0:0:0:ffff:8e12:9713
142.18.151.20 0:0:0:0:0:ffff:8e12:9714
142.18.151.21 0:0:0:0:0:ffff:8e12:9715
142.18.151.22 0:0:0:0:0:ffff:8e12:9716
142.18.151.23 0:0:0:0:0:ffff:8e12:9717
142.18.151.24 0:0:0:0:0:ffff:8e12:9718
142.18.151.25 0:0:0:0:0:ffff:8e12:9719
142.18.151.26 0:0:0:0:0:ffff:8e12:971a
142.18.151.27 0:0:0:0:0:ffff:8e12:971b
142.18.151.28 0:0:0:0:0:ffff:8e12:971c
142.18.151.29 0:0:0:0:0:ffff:8e12:971d
142.18.151.30 0:0:0:0:0:ffff:8e12:971e
142.18.151.31 0:0:0:0:0:ffff:8e12:971f
142.18.151.32 0:0:0:0:0:ffff:8e12:9720
142.18.151.33 0:0:0:0:0:ffff:8e12:9721
142.18.151.34 0:0:0:0:0:ffff:8e12:9722
142.18.151.35 0:0:0:0:0:ffff:8e12:9723
142.18.151.36 0:0:0:0:0:ffff:8e12:9724
142.18.151.37 0:0:0:0:0:ffff:8e12:9725
142.18.151.38 0:0:0:0:0:ffff:8e12:9726
142.18.151.39 0:0:0:0:0:ffff:8e12:9727
142.18.151.40 0:0:0:0:0:ffff:8e12:9728
142.18.151.41 0:0:0:0:0:ffff:8e12:9729
142.18.151.42 0:0:0:0:0:ffff:8e12:972a
142.18.151.43 0:0:0:0:0:ffff:8e12:972b
142.18.151.44 0:0:0:0:0:ffff:8e12:972c
142.18.151.45 0:0:0:0:0:ffff:8e12:972d
142.18.151.46 0:0:0:0:0:ffff:8e12:972e
142.18.151.47 0:0:0:0:0:ffff:8e12:972f
142.18.151.48 0:0:0:0:0:ffff:8e12:9730
142.18.151.49 0:0:0:0:0:ffff:8e12:9731
142.18.151.50 0:0:0:0:0:ffff:8e12:9732
142.18.151.51 0:0:0:0:0:ffff:8e12:9733
142.18.151.52 0:0:0:0:0:ffff:8e12:9734
142.18.151.53 0:0:0:0:0:ffff:8e12:9735
142.18.151.54 0:0:0:0:0:ffff:8e12:9736
142.18.151.55 0:0:0:0:0:ffff:8e12:9737
142.18.151.56 0:0:0:0:0:ffff:8e12:9738
142.18.151.57 0:0:0:0:0:ffff:8e12:9739
142.18.151.58 0:0:0:0:0:ffff:8e12:973a
142.18.151.59 0:0:0:0:0:ffff:8e12:973b
142.18.151.60 0:0:0:0:0:ffff:8e12:973c


142.18.151.61 0:0:0:0:0:ffff:8e12:973d
142.18.151.62 0:0:0:0:0:ffff:8e12:973e
142.18.151.63 0:0:0:0:0:ffff:8e12:973f
142.18.151.64 0:0:0:0:0:ffff:8e12:9740
142.18.151.65 0:0:0:0:0:ffff:8e12:9741
142.18.151.66 0:0:0:0:0:ffff:8e12:9742
142.18.151.67 0:0:0:0:0:ffff:8e12:9743
142.18.151.68 0:0:0:0:0:ffff:8e12:9744
142.18.151.69 0:0:0:0:0:ffff:8e12:9745
142.18.151.70 0:0:0:0:0:ffff:8e12:9746
142.18.151.71 0:0:0:0:0:ffff:8e12:9747
142.18.151.72 0:0:0:0:0:ffff:8e12:9748
142.18.151.73 0:0:0:0:0:ffff:8e12:9749
142.18.151.74 0:0:0:0:0:ffff:8e12:974a
142.18.151.75 0:0:0:0:0:ffff:8e12:974b
142.18.151.76 0:0:0:0:0:ffff:8e12:974c
142.18.151.77 0:0:0:0:0:ffff:8e12:974d
142.18.151.78 0:0:0:0:0:ffff:8e12:974e
142.18.151.79 0:0:0:0:0:ffff:8e12:974f
142.18.151.80 0:0:0:0:0:ffff:8e12:9750
142.18.151.81 0:0:0:0:0:ffff:8e12:9751
142.18.151.82 0:0:0:0:0:ffff:8e12:9752
142.18.151.83 0:0:0:0:0:ffff:8e12:9753
142.18.151.84 0:0:0:0:0:ffff:8e12:9754
142.18.151.85 0:0:0:0:0:ffff:8e12:9755
142.18.151.86 0:0:0:0:0:ffff:8e12:9756
142.18.151.87 0:0:0:0:0:ffff:8e12:9757
142.18.151.88 0:0:0:0:0:ffff:8e12:9758
142.18.151.89 0:0:0:0:0:ffff:8e12:9759
142.18.151.90 0:0:0:0:0:ffff:8e12:975a
142.18.151.91 0:0:0:0:0:ffff:8e12:975b
142.18.151.92 0:0:0:0:0:ffff:8e12:975c
142.18.151.93 0:0:0:0:0:ffff:8e12:975d
142.18.151.94 0:0:0:0:0:ffff:8e12:975e
142.18.151.95 0:0:0:0:0:ffff:8e12:975f
142.18.151.96 0:0:0:0:0:ffff:8e12:9760
142.18.151.97 0:0:0:0:0:ffff:8e12:9761
142.18.151.98 0:0:0:0:0:ffff:8e12:9762
142.18.151.99 0:0:0:0:0:ffff:8e12:9763
142.18.151.100 0:0:0:0:0:ffff:8e12:9764
142.18.151.101 0:0:0:0:0:ffff:8e12:9765
142.18.151.102 0:0:0:0:0:ffff:8e12:9766
142.18.151.103 0:0:0:0:0:ffff:8e12:9767
142.18.151.104 0:0:0:0:0:ffff:8e12:9768
142.18.151.105 0:0:0:0:0:ffff:8e12:9769
142.18.151.106 0:0:0:0:0:ffff:8e12:976a
142.18.151.107 0:0:0:0:0:ffff:8e12:976b
142.18.151.108 0:0:0:0:0:ffff:8e12:976c
142.18.151.109 0:0:0:0:0:ffff:8e12:976d
142.18.151.110 0:0:0:0:0:ffff:8e12:976e
142.18.151.111 0:0:0:0:0:ffff:8e12:976f
142.18.151.112 0:0:0:0:0:ffff:8e12:9770
142.18.151.113 0:0:0:0:0:ffff:8e12:9771
142.18.151.114 0:0:0:0:0:ffff:8e12:9772
142.18.151.115 0:0:0:0:0:ffff:8e12:9773
142.18.151.116 0:0:0:0:0:ffff:8e12:9774
142.18.151.117 0:0:0:0:0:ffff:8e12:9775
142.18.151.118 0:0:0:0:0:ffff:8e12:9776
142.18.151.119 0:0:0:0:0:ffff:8e12:9777
142.18.151.120 0:0:0:0:0:ffff:8e12:9778


142.18.151.121 0:0:0:0:0:ffff:8e12:9779
142.18.151.122 0:0:0:0:0:ffff:8e12:977a
142.18.151.123 0:0:0:0:0:ffff:8e12:977b
142.18.151.124 0:0:0:0:0:ffff:8e12:977c
142.18.151.125 0:0:0:0:0:ffff:8e12:977d
142.18.151.126 0:0:0:0:0:ffff:8e12:977e
142.18.151.127 0:0:0:0:0:ffff:8e12:977f
142.18.151.128 0:0:0:0:0:ffff:8e12:9780
142.18.151.129 0:0:0:0:0:ffff:8e12:9781
142.18.151.130 0:0:0:0:0:ffff:8e12:9782
142.18.151.131 0:0:0:0:0:ffff:8e12:9783
142.18.151.132 0:0:0:0:0:ffff:8e12:9784
142.18.151.133 0:0:0:0:0:ffff:8e12:9785
142.18.151.134 0:0:0:0:0:ffff:8e12:9786
142.18.151.135 0:0:0:0:0:ffff:8e12:9787
142.18.151.136 0:0:0:0:0:ffff:8e12:9788
142.18.151.137 0:0:0:0:0:ffff:8e12:9789
142.18.151.138 0:0:0:0:0:ffff:8e12:978a
142.18.151.139 0:0:0:0:0:ffff:8e12:978b
142.18.151.140 0:0:0:0:0:ffff:8e12:978c
142.18.151.141 0:0:0:0:0:ffff:8e12:978d
142.18.151.142 0:0:0:0:0:ffff:8e12:978e
142.18.151.143 0:0:0:0:0:ffff:8e12:978f
142.18.151.144 0:0:0:0:0:ffff:8e12:9790
142.18.151.145 0:0:0:0:0:ffff:8e12:9791
142.18.151.146 0:0:0:0:0:ffff:8e12:9792
142.18.151.147 0:0:0:0:0:ffff:8e12:9793
142.18.151.148 0:0:0:0:0:ffff:8e12:9794
142.18.151.149 0:0:0:0:0:ffff:8e12:9795
142.18.151.150 0:0:0:0:0:ffff:8e12:9796
142.18.151.151 0:0:0:0:0:ffff:8e12:9797
142.18.151.152 0:0:0:0:0:ffff:8e12:9798
142.18.151.153 0:0:0:0:0:ffff:8e12:9799
142.18.151.154 0:0:0:0:0:ffff:8e12:979a
142.18.151.155 0:0:0:0:0:ffff:8e12:979b
142.18.151.156 0:0:0:0:0:ffff:8e12:979c
142.18.151.157 0:0:0:0:0:ffff:8e12:979d
142.18.151.158 0:0:0:0:0:ffff:8e12:979e
142.18.151.159 0:0:0:0:0:ffff:8e12:979f
142.18.151.160 0:0:0:0:0:ffff:8e12:97a0
142.18.151.161 0:0:0:0:0:ffff:8e12:97a1
142.18.151.162 0:0:0:0:0:ffff:8e12:97a2
142.18.151.163 0:0:0:0:0:ffff:8e12:97a3
142.18.151.164 0:0:0:0:0:ffff:8e12:97a4
142.18.151.165 0:0:0:0:0:ffff:8e12:97a5
142.18.151.166 0:0:0:0:0:ffff:8e12:97a6
142.18.151.167 0:0:0:0:0:ffff:8e12:97a7
142.18.151.168 0:0:0:0:0:ffff:8e12:97a8
142.18.151.169 0:0:0:0:0:ffff:8e12:97a9
142.18.151.170 0:0:0:0:0:ffff:8e12:97aa
142.18.151.171 0:0:0:0:0:ffff:8e12:97ab
142.18.151.172 0:0:0:0:0:ffff:8e12:97ac
142.18.151.173 0:0:0:0:0:ffff:8e12:97ad
142.18.151.174 0:0:0:0:0:ffff:8e12:97ae
142.18.151.175 0:0:0:0:0:ffff:8e12:97af
142.18.151.176 0:0:0:0:0:ffff:8e12:97b0
142.18.151.177 0:0:0:0:0:ffff:8e12:97b1
142.18.151.178 0:0:0:0:0:ffff:8e12:97b2
142.18.151.179 0:0:0:0:0:ffff:8e12:97b3
142.18.151.180 0:0:0:0:0:ffff:8e12:97b4


142.18.151.181 0:0:0:0:0:ffff:8e12:97b5
142.18.151.182 0:0:0:0:0:ffff:8e12:97b6
142.18.151.183 0:0:0:0:0:ffff:8e12:97b7
142.18.151.184 0:0:0:0:0:ffff:8e12:97b8
142.18.151.185 0:0:0:0:0:ffff:8e12:97b9
142.18.151.186 0:0:0:0:0:ffff:8e12:97ba
142.18.151.187 0:0:0:0:0:ffff:8e12:97bb
142.18.151.188 0:0:0:0:0:ffff:8e12:97bc
142.18.151.189 0:0:0:0:0:ffff:8e12:97bd
142.18.151.190 0:0:0:0:0:ffff:8e12:97be
142.18.151.191 0:0:0:0:0:ffff:8e12:97bf
142.18.151.192 0:0:0:0:0:ffff:8e12:97c0
142.18.151.193 0:0:0:0:0:ffff:8e12:97c1
142.18.151.194 0:0:0:0:0:ffff:8e12:97c2
142.18.151.195 0:0:0:0:0:ffff:8e12:97c3
142.18.151.196 0:0:0:0:0:ffff:8e12:97c4
142.18.151.197 0:0:0:0:0:ffff:8e12:97c5
142.18.151.198 0:0:0:0:0:ffff:8e12:97c6
142.18.151.199 0:0:0:0:0:ffff:8e12:97c7
142.18.151.200 0:0:0:0:0:ffff:8e12:97c8
142.18.151.201 0:0:0:0:0:ffff:8e12:97c9
142.18.151.202 0:0:0:0:0:ffff:8e12:97ca
142.18.151.203 0:0:0:0:0:ffff:8e12:97cb
142.18.151.204 0:0:0:0:0:ffff:8e12:97cc
142.18.151.205 0:0:0:0:0:ffff:8e12:97cd
142.18.151.206 0:0:0:0:0:ffff:8e12:97ce
142.18.151.207 0:0:0:0:0:ffff:8e12:97cf
142.18.151.208 0:0:0:0:0:ffff:8e12:97d0
142.18.151.209 0:0:0:0:0:ffff:8e12:97d1
142.18.151.210 0:0:0:0:0:ffff:8e12:97d2
142.18.151.211 0:0:0:0:0:ffff:8e12:97d3
142.18.151.212 0:0:0:0:0:ffff:8e12:97d4
142.18.151.213 0:0:0:0:0:ffff:8e12:97d5
142.18.151.214 0:0:0:0:0:ffff:8e12:97d6
142.18.151.215 0:0:0:0:0:ffff:8e12:97d7
142.18.151.216 0:0:0:0:0:ffff:8e12:97d8
142.18.151.217 0:0:0:0:0:ffff:8e12:97d9
142.18.151.218 0:0:0:0:0:ffff:8e12:97da
142.18.151.219 0:0:0:0:0:ffff:8e12:97db
142.18.151.220 0:0:0:0:0:ffff:8e12:97dc
142.18.151.221 0:0:0:0:0:ffff:8e12:97dd
142.18.151.222 0:0:0:0:0:ffff:8e12:97de
142.18.151.223 0:0:0:0:0:ffff:8e12:97df
142.18.151.224 0:0:0:0:0:ffff:8e12:97e0
142.18.151.225 0:0:0:0:0:ffff:8e12:97e1
142.18.151.226 0:0:0:0:0:ffff:8e12:97e2
142.18.151.227 0:0:0:0:0:ffff:8e12:97e3
142.18.151.228 0:0:0:0:0:ffff:8e12:97e4
142.18.151.229 0:0:0:0:0:ffff:8e12:97e5
142.18.151.230 0:0:0:0:0:ffff:8e12:97e6
142.18.151.231 0:0:0:0:0:ffff:8e12:97e7
142.18.151.232 0:0:0:0:0:ffff:8e12:97e8
142.18.151.233 0:0:0:0:0:ffff:8e12:97e9
142.18.151.234 0:0:0:0:0:ffff:8e12:97ea
142.18.151.235 0:0:0:0:0:ffff:8e12:97eb
142.18.151.236 0:0:0:0:0:ffff:8e12:97ec
142.18.151.237 0:0:0:0:0:ffff:8e12:97ed
142.18.151.238 0:0:0:0:0:ffff:8e12:97ee
142.18.151.239 0:0:0:0:0:ffff:8e12:97ef
142.18.151.240 0:0:0:0:0:ffff:8e12:97f0
142.18.151.241 0:0:0:0:0:ffff:8e12:97f1
142.18.151.242 0:0:0:0:0:ffff:8e12:97f2
142.18.151.243 0:0:0:0:0:ffff:8e12:97f3
142.18.151.244 0:0:0:0:0:ffff:8e12:97f4
142.18.151.245 0:0:0:0:0:ffff:8e12:97f5
142.18.151.246 0:0:0:0:0:ffff:8e12:97f6
142.18.151.247 0:0:0:0:0:ffff:8e12:97f7
142.18.151.248 0:0:0:0:0:ffff:8e12:97f8
142.18.151.249 0:0:0:0:0:ffff:8e12:97f9
142.18.151.250 0:0:0:0:0:ffff:8e12:97fa
142.18.151.251 0:0:0:0:0:ffff:8e12:97fb
142.18.151.252 0:0:0:0:0:ffff:8e12:97fc
142.18.151.253 0:0:0:0:0:ffff:8e12:97fd
142.18.151.254 0:0:0:0:0:ffff:8e12:97fe
142.18.151.255 0:0:0:0:0:ffff:8e12:97ff


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.