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
144.21.168.1 0:0:0:0:0:ffff:9015:a801
144.21.168.2 0:0:0:0:0:ffff:9015:a802
144.21.168.3 0:0:0:0:0:ffff:9015:a803
144.21.168.4 0:0:0:0:0:ffff:9015:a804
144.21.168.5 0:0:0:0:0:ffff:9015:a805
144.21.168.6 0:0:0:0:0:ffff:9015:a806
144.21.168.7 0:0:0:0:0:ffff:9015:a807
144.21.168.8 0:0:0:0:0:ffff:9015:a808
144.21.168.9 0:0:0:0:0:ffff:9015:a809
144.21.168.10 0:0:0:0:0:ffff:9015:a80a
144.21.168.11 0:0:0:0:0:ffff:9015:a80b
144.21.168.12 0:0:0:0:0:ffff:9015:a80c
144.21.168.13 0:0:0:0:0:ffff:9015:a80d
144.21.168.14 0:0:0:0:0:ffff:9015:a80e
144.21.168.15 0:0:0:0:0:ffff:9015:a80f
144.21.168.16 0:0:0:0:0:ffff:9015:a810
144.21.168.17 0:0:0:0:0:ffff:9015:a811
144.21.168.18 0:0:0:0:0:ffff:9015:a812
144.21.168.19 0:0:0:0:0:ffff:9015:a813
144.21.168.20 0:0:0:0:0:ffff:9015:a814
144.21.168.21 0:0:0:0:0:ffff:9015:a815
144.21.168.22 0:0:0:0:0:ffff:9015:a816
144.21.168.23 0:0:0:0:0:ffff:9015:a817
144.21.168.24 0:0:0:0:0:ffff:9015:a818
144.21.168.25 0:0:0:0:0:ffff:9015:a819
144.21.168.26 0:0:0:0:0:ffff:9015:a81a
144.21.168.27 0:0:0:0:0:ffff:9015:a81b
144.21.168.28 0:0:0:0:0:ffff:9015:a81c
144.21.168.29 0:0:0:0:0:ffff:9015:a81d
144.21.168.30 0:0:0:0:0:ffff:9015:a81e
144.21.168.31 0:0:0:0:0:ffff:9015:a81f
144.21.168.32 0:0:0:0:0:ffff:9015:a820
144.21.168.33 0:0:0:0:0:ffff:9015:a821
144.21.168.34 0:0:0:0:0:ffff:9015:a822
144.21.168.35 0:0:0:0:0:ffff:9015:a823
144.21.168.36 0:0:0:0:0:ffff:9015:a824
144.21.168.37 0:0:0:0:0:ffff:9015:a825
144.21.168.38 0:0:0:0:0:ffff:9015:a826
144.21.168.39 0:0:0:0:0:ffff:9015:a827
144.21.168.40 0:0:0:0:0:ffff:9015:a828
144.21.168.41 0:0:0:0:0:ffff:9015:a829
144.21.168.42 0:0:0:0:0:ffff:9015:a82a
144.21.168.43 0:0:0:0:0:ffff:9015:a82b
144.21.168.44 0:0:0:0:0:ffff:9015:a82c
144.21.168.45 0:0:0:0:0:ffff:9015:a82d
144.21.168.46 0:0:0:0:0:ffff:9015:a82e
144.21.168.47 0:0:0:0:0:ffff:9015:a82f
144.21.168.48 0:0:0:0:0:ffff:9015:a830
144.21.168.49 0:0:0:0:0:ffff:9015:a831
144.21.168.50 0:0:0:0:0:ffff:9015:a832
144.21.168.51 0:0:0:0:0:ffff:9015:a833
144.21.168.52 0:0:0:0:0:ffff:9015:a834
144.21.168.53 0:0:0:0:0:ffff:9015:a835
144.21.168.54 0:0:0:0:0:ffff:9015:a836
144.21.168.55 0:0:0:0:0:ffff:9015:a837
144.21.168.56 0:0:0:0:0:ffff:9015:a838
144.21.168.57 0:0:0:0:0:ffff:9015:a839
144.21.168.58 0:0:0:0:0:ffff:9015:a83a
144.21.168.59 0:0:0:0:0:ffff:9015:a83b
144.21.168.60 0:0:0:0:0:ffff:9015:a83c


144.21.168.61 0:0:0:0:0:ffff:9015:a83d
144.21.168.62 0:0:0:0:0:ffff:9015:a83e
144.21.168.63 0:0:0:0:0:ffff:9015:a83f
144.21.168.64 0:0:0:0:0:ffff:9015:a840
144.21.168.65 0:0:0:0:0:ffff:9015:a841
144.21.168.66 0:0:0:0:0:ffff:9015:a842
144.21.168.67 0:0:0:0:0:ffff:9015:a843
144.21.168.68 0:0:0:0:0:ffff:9015:a844
144.21.168.69 0:0:0:0:0:ffff:9015:a845
144.21.168.70 0:0:0:0:0:ffff:9015:a846
144.21.168.71 0:0:0:0:0:ffff:9015:a847
144.21.168.72 0:0:0:0:0:ffff:9015:a848
144.21.168.73 0:0:0:0:0:ffff:9015:a849
144.21.168.74 0:0:0:0:0:ffff:9015:a84a
144.21.168.75 0:0:0:0:0:ffff:9015:a84b
144.21.168.76 0:0:0:0:0:ffff:9015:a84c
144.21.168.77 0:0:0:0:0:ffff:9015:a84d
144.21.168.78 0:0:0:0:0:ffff:9015:a84e
144.21.168.79 0:0:0:0:0:ffff:9015:a84f
144.21.168.80 0:0:0:0:0:ffff:9015:a850
144.21.168.81 0:0:0:0:0:ffff:9015:a851
144.21.168.82 0:0:0:0:0:ffff:9015:a852
144.21.168.83 0:0:0:0:0:ffff:9015:a853
144.21.168.84 0:0:0:0:0:ffff:9015:a854
144.21.168.85 0:0:0:0:0:ffff:9015:a855
144.21.168.86 0:0:0:0:0:ffff:9015:a856
144.21.168.87 0:0:0:0:0:ffff:9015:a857
144.21.168.88 0:0:0:0:0:ffff:9015:a858
144.21.168.89 0:0:0:0:0:ffff:9015:a859
144.21.168.90 0:0:0:0:0:ffff:9015:a85a
144.21.168.91 0:0:0:0:0:ffff:9015:a85b
144.21.168.92 0:0:0:0:0:ffff:9015:a85c
144.21.168.93 0:0:0:0:0:ffff:9015:a85d
144.21.168.94 0:0:0:0:0:ffff:9015:a85e
144.21.168.95 0:0:0:0:0:ffff:9015:a85f
144.21.168.96 0:0:0:0:0:ffff:9015:a860
144.21.168.97 0:0:0:0:0:ffff:9015:a861
144.21.168.98 0:0:0:0:0:ffff:9015:a862
144.21.168.99 0:0:0:0:0:ffff:9015:a863
144.21.168.100 0:0:0:0:0:ffff:9015:a864
144.21.168.101 0:0:0:0:0:ffff:9015:a865
144.21.168.102 0:0:0:0:0:ffff:9015:a866
144.21.168.103 0:0:0:0:0:ffff:9015:a867
144.21.168.104 0:0:0:0:0:ffff:9015:a868
144.21.168.105 0:0:0:0:0:ffff:9015:a869
144.21.168.106 0:0:0:0:0:ffff:9015:a86a
144.21.168.107 0:0:0:0:0:ffff:9015:a86b
144.21.168.108 0:0:0:0:0:ffff:9015:a86c
144.21.168.109 0:0:0:0:0:ffff:9015:a86d
144.21.168.110 0:0:0:0:0:ffff:9015:a86e
144.21.168.111 0:0:0:0:0:ffff:9015:a86f
144.21.168.112 0:0:0:0:0:ffff:9015:a870
144.21.168.113 0:0:0:0:0:ffff:9015:a871
144.21.168.114 0:0:0:0:0:ffff:9015:a872
144.21.168.115 0:0:0:0:0:ffff:9015:a873
144.21.168.116 0:0:0:0:0:ffff:9015:a874
144.21.168.117 0:0:0:0:0:ffff:9015:a875
144.21.168.118 0:0:0:0:0:ffff:9015:a876
144.21.168.119 0:0:0:0:0:ffff:9015:a877
144.21.168.120 0:0:0:0:0:ffff:9015:a878


144.21.168.121 0:0:0:0:0:ffff:9015:a879
144.21.168.122 0:0:0:0:0:ffff:9015:a87a
144.21.168.123 0:0:0:0:0:ffff:9015:a87b
144.21.168.124 0:0:0:0:0:ffff:9015:a87c
144.21.168.125 0:0:0:0:0:ffff:9015:a87d
144.21.168.126 0:0:0:0:0:ffff:9015:a87e
144.21.168.127 0:0:0:0:0:ffff:9015:a87f
144.21.168.128 0:0:0:0:0:ffff:9015:a880
144.21.168.129 0:0:0:0:0:ffff:9015:a881
144.21.168.130 0:0:0:0:0:ffff:9015:a882
144.21.168.131 0:0:0:0:0:ffff:9015:a883
144.21.168.132 0:0:0:0:0:ffff:9015:a884
144.21.168.133 0:0:0:0:0:ffff:9015:a885
144.21.168.134 0:0:0:0:0:ffff:9015:a886
144.21.168.135 0:0:0:0:0:ffff:9015:a887
144.21.168.136 0:0:0:0:0:ffff:9015:a888
144.21.168.137 0:0:0:0:0:ffff:9015:a889
144.21.168.138 0:0:0:0:0:ffff:9015:a88a
144.21.168.139 0:0:0:0:0:ffff:9015:a88b
144.21.168.140 0:0:0:0:0:ffff:9015:a88c
144.21.168.141 0:0:0:0:0:ffff:9015:a88d
144.21.168.142 0:0:0:0:0:ffff:9015:a88e
144.21.168.143 0:0:0:0:0:ffff:9015:a88f
144.21.168.144 0:0:0:0:0:ffff:9015:a890
144.21.168.145 0:0:0:0:0:ffff:9015:a891
144.21.168.146 0:0:0:0:0:ffff:9015:a892
144.21.168.147 0:0:0:0:0:ffff:9015:a893
144.21.168.148 0:0:0:0:0:ffff:9015:a894
144.21.168.149 0:0:0:0:0:ffff:9015:a895
144.21.168.150 0:0:0:0:0:ffff:9015:a896
144.21.168.151 0:0:0:0:0:ffff:9015:a897
144.21.168.152 0:0:0:0:0:ffff:9015:a898
144.21.168.153 0:0:0:0:0:ffff:9015:a899
144.21.168.154 0:0:0:0:0:ffff:9015:a89a
144.21.168.155 0:0:0:0:0:ffff:9015:a89b
144.21.168.156 0:0:0:0:0:ffff:9015:a89c
144.21.168.157 0:0:0:0:0:ffff:9015:a89d
144.21.168.158 0:0:0:0:0:ffff:9015:a89e
144.21.168.159 0:0:0:0:0:ffff:9015:a89f
144.21.168.160 0:0:0:0:0:ffff:9015:a8a0
144.21.168.161 0:0:0:0:0:ffff:9015:a8a1
144.21.168.162 0:0:0:0:0:ffff:9015:a8a2
144.21.168.163 0:0:0:0:0:ffff:9015:a8a3
144.21.168.164 0:0:0:0:0:ffff:9015:a8a4
144.21.168.165 0:0:0:0:0:ffff:9015:a8a5
144.21.168.166 0:0:0:0:0:ffff:9015:a8a6
144.21.168.167 0:0:0:0:0:ffff:9015:a8a7
144.21.168.168 0:0:0:0:0:ffff:9015:a8a8
144.21.168.169 0:0:0:0:0:ffff:9015:a8a9
144.21.168.170 0:0:0:0:0:ffff:9015:a8aa
144.21.168.171 0:0:0:0:0:ffff:9015:a8ab
144.21.168.172 0:0:0:0:0:ffff:9015:a8ac
144.21.168.173 0:0:0:0:0:ffff:9015:a8ad
144.21.168.174 0:0:0:0:0:ffff:9015:a8ae
144.21.168.175 0:0:0:0:0:ffff:9015:a8af
144.21.168.176 0:0:0:0:0:ffff:9015:a8b0
144.21.168.177 0:0:0:0:0:ffff:9015:a8b1
144.21.168.178 0:0:0:0:0:ffff:9015:a8b2
144.21.168.179 0:0:0:0:0:ffff:9015:a8b3
144.21.168.180 0:0:0:0:0:ffff:9015:a8b4


144.21.168.181 0:0:0:0:0:ffff:9015:a8b5
144.21.168.182 0:0:0:0:0:ffff:9015:a8b6
144.21.168.183 0:0:0:0:0:ffff:9015:a8b7
144.21.168.184 0:0:0:0:0:ffff:9015:a8b8
144.21.168.185 0:0:0:0:0:ffff:9015:a8b9
144.21.168.186 0:0:0:0:0:ffff:9015:a8ba
144.21.168.187 0:0:0:0:0:ffff:9015:a8bb
144.21.168.188 0:0:0:0:0:ffff:9015:a8bc
144.21.168.189 0:0:0:0:0:ffff:9015:a8bd
144.21.168.190 0:0:0:0:0:ffff:9015:a8be
144.21.168.191 0:0:0:0:0:ffff:9015:a8bf
144.21.168.192 0:0:0:0:0:ffff:9015:a8c0
144.21.168.193 0:0:0:0:0:ffff:9015:a8c1
144.21.168.194 0:0:0:0:0:ffff:9015:a8c2
144.21.168.195 0:0:0:0:0:ffff:9015:a8c3
144.21.168.196 0:0:0:0:0:ffff:9015:a8c4
144.21.168.197 0:0:0:0:0:ffff:9015:a8c5
144.21.168.198 0:0:0:0:0:ffff:9015:a8c6
144.21.168.199 0:0:0:0:0:ffff:9015:a8c7
144.21.168.200 0:0:0:0:0:ffff:9015:a8c8
144.21.168.201 0:0:0:0:0:ffff:9015:a8c9
144.21.168.202 0:0:0:0:0:ffff:9015:a8ca
144.21.168.203 0:0:0:0:0:ffff:9015:a8cb
144.21.168.204 0:0:0:0:0:ffff:9015:a8cc
144.21.168.205 0:0:0:0:0:ffff:9015:a8cd
144.21.168.206 0:0:0:0:0:ffff:9015:a8ce
144.21.168.207 0:0:0:0:0:ffff:9015:a8cf
144.21.168.208 0:0:0:0:0:ffff:9015:a8d0
144.21.168.209 0:0:0:0:0:ffff:9015:a8d1
144.21.168.210 0:0:0:0:0:ffff:9015:a8d2
144.21.168.211 0:0:0:0:0:ffff:9015:a8d3
144.21.168.212 0:0:0:0:0:ffff:9015:a8d4
144.21.168.213 0:0:0:0:0:ffff:9015:a8d5
144.21.168.214 0:0:0:0:0:ffff:9015:a8d6
144.21.168.215 0:0:0:0:0:ffff:9015:a8d7
144.21.168.216 0:0:0:0:0:ffff:9015:a8d8
144.21.168.217 0:0:0:0:0:ffff:9015:a8d9
144.21.168.218 0:0:0:0:0:ffff:9015:a8da
144.21.168.219 0:0:0:0:0:ffff:9015:a8db
144.21.168.220 0:0:0:0:0:ffff:9015:a8dc
144.21.168.221 0:0:0:0:0:ffff:9015:a8dd
144.21.168.222 0:0:0:0:0:ffff:9015:a8de
144.21.168.223 0:0:0:0:0:ffff:9015:a8df
144.21.168.224 0:0:0:0:0:ffff:9015:a8e0
144.21.168.225 0:0:0:0:0:ffff:9015:a8e1
144.21.168.226 0:0:0:0:0:ffff:9015:a8e2
144.21.168.227 0:0:0:0:0:ffff:9015:a8e3
144.21.168.228 0:0:0:0:0:ffff:9015:a8e4
144.21.168.229 0:0:0:0:0:ffff:9015:a8e5
144.21.168.230 0:0:0:0:0:ffff:9015:a8e6
144.21.168.231 0:0:0:0:0:ffff:9015:a8e7
144.21.168.232 0:0:0:0:0:ffff:9015:a8e8
144.21.168.233 0:0:0:0:0:ffff:9015:a8e9
144.21.168.234 0:0:0:0:0:ffff:9015:a8ea
144.21.168.235 0:0:0:0:0:ffff:9015:a8eb
144.21.168.236 0:0:0:0:0:ffff:9015:a8ec
144.21.168.237 0:0:0:0:0:ffff:9015:a8ed
144.21.168.238 0:0:0:0:0:ffff:9015:a8ee
144.21.168.239 0:0:0:0:0:ffff:9015:a8ef
144.21.168.240 0:0:0:0:0:ffff:9015:a8f0
144.21.168.241 0:0:0:0:0:ffff:9015:a8f1
144.21.168.242 0:0:0:0:0:ffff:9015:a8f2
144.21.168.243 0:0:0:0:0:ffff:9015:a8f3
144.21.168.244 0:0:0:0:0:ffff:9015:a8f4
144.21.168.245 0:0:0:0:0:ffff:9015:a8f5
144.21.168.246 0:0:0:0:0:ffff:9015:a8f6
144.21.168.247 0:0:0:0:0:ffff:9015:a8f7
144.21.168.248 0:0:0:0:0:ffff:9015:a8f8
144.21.168.249 0:0:0:0:0:ffff:9015:a8f9
144.21.168.250 0:0:0:0:0:ffff:9015:a8fa
144.21.168.251 0:0:0:0:0:ffff:9015:a8fb
144.21.168.252 0:0:0:0:0:ffff:9015:a8fc
144.21.168.253 0:0:0:0:0:ffff:9015:a8fd
144.21.168.254 0:0:0:0:0:ffff:9015:a8fe
144.21.168.255 0:0:0:0:0:ffff:9015: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.