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
72.255.40.1 0:0:0:0:0:ffff:48ff:2801
72.255.40.2 0:0:0:0:0:ffff:48ff:2802
72.255.40.3 0:0:0:0:0:ffff:48ff:2803
72.255.40.4 0:0:0:0:0:ffff:48ff:2804
72.255.40.5 0:0:0:0:0:ffff:48ff:2805
72.255.40.6 0:0:0:0:0:ffff:48ff:2806
72.255.40.7 0:0:0:0:0:ffff:48ff:2807
72.255.40.8 0:0:0:0:0:ffff:48ff:2808
72.255.40.9 0:0:0:0:0:ffff:48ff:2809
72.255.40.10 0:0:0:0:0:ffff:48ff:280a
72.255.40.11 0:0:0:0:0:ffff:48ff:280b
72.255.40.12 0:0:0:0:0:ffff:48ff:280c
72.255.40.13 0:0:0:0:0:ffff:48ff:280d
72.255.40.14 0:0:0:0:0:ffff:48ff:280e
72.255.40.15 0:0:0:0:0:ffff:48ff:280f
72.255.40.16 0:0:0:0:0:ffff:48ff:2810
72.255.40.17 0:0:0:0:0:ffff:48ff:2811
72.255.40.18 0:0:0:0:0:ffff:48ff:2812
72.255.40.19 0:0:0:0:0:ffff:48ff:2813
72.255.40.20 0:0:0:0:0:ffff:48ff:2814
72.255.40.21 0:0:0:0:0:ffff:48ff:2815
72.255.40.22 0:0:0:0:0:ffff:48ff:2816
72.255.40.23 0:0:0:0:0:ffff:48ff:2817
72.255.40.24 0:0:0:0:0:ffff:48ff:2818
72.255.40.25 0:0:0:0:0:ffff:48ff:2819
72.255.40.26 0:0:0:0:0:ffff:48ff:281a
72.255.40.27 0:0:0:0:0:ffff:48ff:281b
72.255.40.28 0:0:0:0:0:ffff:48ff:281c
72.255.40.29 0:0:0:0:0:ffff:48ff:281d
72.255.40.30 0:0:0:0:0:ffff:48ff:281e
72.255.40.31 0:0:0:0:0:ffff:48ff:281f
72.255.40.32 0:0:0:0:0:ffff:48ff:2820
72.255.40.33 0:0:0:0:0:ffff:48ff:2821
72.255.40.34 0:0:0:0:0:ffff:48ff:2822
72.255.40.35 0:0:0:0:0:ffff:48ff:2823
72.255.40.36 0:0:0:0:0:ffff:48ff:2824
72.255.40.37 0:0:0:0:0:ffff:48ff:2825
72.255.40.38 0:0:0:0:0:ffff:48ff:2826
72.255.40.39 0:0:0:0:0:ffff:48ff:2827
72.255.40.40 0:0:0:0:0:ffff:48ff:2828
72.255.40.41 0:0:0:0:0:ffff:48ff:2829
72.255.40.42 0:0:0:0:0:ffff:48ff:282a
72.255.40.43 0:0:0:0:0:ffff:48ff:282b
72.255.40.44 0:0:0:0:0:ffff:48ff:282c
72.255.40.45 0:0:0:0:0:ffff:48ff:282d
72.255.40.46 0:0:0:0:0:ffff:48ff:282e
72.255.40.47 0:0:0:0:0:ffff:48ff:282f
72.255.40.48 0:0:0:0:0:ffff:48ff:2830
72.255.40.49 0:0:0:0:0:ffff:48ff:2831
72.255.40.50 0:0:0:0:0:ffff:48ff:2832
72.255.40.51 0:0:0:0:0:ffff:48ff:2833
72.255.40.52 0:0:0:0:0:ffff:48ff:2834
72.255.40.53 0:0:0:0:0:ffff:48ff:2835
72.255.40.54 0:0:0:0:0:ffff:48ff:2836
72.255.40.55 0:0:0:0:0:ffff:48ff:2837
72.255.40.56 0:0:0:0:0:ffff:48ff:2838
72.255.40.57 0:0:0:0:0:ffff:48ff:2839
72.255.40.58 0:0:0:0:0:ffff:48ff:283a
72.255.40.59 0:0:0:0:0:ffff:48ff:283b
72.255.40.60 0:0:0:0:0:ffff:48ff:283c


72.255.40.61 0:0:0:0:0:ffff:48ff:283d
72.255.40.62 0:0:0:0:0:ffff:48ff:283e
72.255.40.63 0:0:0:0:0:ffff:48ff:283f
72.255.40.64 0:0:0:0:0:ffff:48ff:2840
72.255.40.65 0:0:0:0:0:ffff:48ff:2841
72.255.40.66 0:0:0:0:0:ffff:48ff:2842
72.255.40.67 0:0:0:0:0:ffff:48ff:2843
72.255.40.68 0:0:0:0:0:ffff:48ff:2844
72.255.40.69 0:0:0:0:0:ffff:48ff:2845
72.255.40.70 0:0:0:0:0:ffff:48ff:2846
72.255.40.71 0:0:0:0:0:ffff:48ff:2847
72.255.40.72 0:0:0:0:0:ffff:48ff:2848
72.255.40.73 0:0:0:0:0:ffff:48ff:2849
72.255.40.74 0:0:0:0:0:ffff:48ff:284a
72.255.40.75 0:0:0:0:0:ffff:48ff:284b
72.255.40.76 0:0:0:0:0:ffff:48ff:284c
72.255.40.77 0:0:0:0:0:ffff:48ff:284d
72.255.40.78 0:0:0:0:0:ffff:48ff:284e
72.255.40.79 0:0:0:0:0:ffff:48ff:284f
72.255.40.80 0:0:0:0:0:ffff:48ff:2850
72.255.40.81 0:0:0:0:0:ffff:48ff:2851
72.255.40.82 0:0:0:0:0:ffff:48ff:2852
72.255.40.83 0:0:0:0:0:ffff:48ff:2853
72.255.40.84 0:0:0:0:0:ffff:48ff:2854
72.255.40.85 0:0:0:0:0:ffff:48ff:2855
72.255.40.86 0:0:0:0:0:ffff:48ff:2856
72.255.40.87 0:0:0:0:0:ffff:48ff:2857
72.255.40.88 0:0:0:0:0:ffff:48ff:2858
72.255.40.89 0:0:0:0:0:ffff:48ff:2859
72.255.40.90 0:0:0:0:0:ffff:48ff:285a
72.255.40.91 0:0:0:0:0:ffff:48ff:285b
72.255.40.92 0:0:0:0:0:ffff:48ff:285c
72.255.40.93 0:0:0:0:0:ffff:48ff:285d
72.255.40.94 0:0:0:0:0:ffff:48ff:285e
72.255.40.95 0:0:0:0:0:ffff:48ff:285f
72.255.40.96 0:0:0:0:0:ffff:48ff:2860
72.255.40.97 0:0:0:0:0:ffff:48ff:2861
72.255.40.98 0:0:0:0:0:ffff:48ff:2862
72.255.40.99 0:0:0:0:0:ffff:48ff:2863
72.255.40.100 0:0:0:0:0:ffff:48ff:2864
72.255.40.101 0:0:0:0:0:ffff:48ff:2865
72.255.40.102 0:0:0:0:0:ffff:48ff:2866
72.255.40.103 0:0:0:0:0:ffff:48ff:2867
72.255.40.104 0:0:0:0:0:ffff:48ff:2868
72.255.40.105 0:0:0:0:0:ffff:48ff:2869
72.255.40.106 0:0:0:0:0:ffff:48ff:286a
72.255.40.107 0:0:0:0:0:ffff:48ff:286b
72.255.40.108 0:0:0:0:0:ffff:48ff:286c
72.255.40.109 0:0:0:0:0:ffff:48ff:286d
72.255.40.110 0:0:0:0:0:ffff:48ff:286e
72.255.40.111 0:0:0:0:0:ffff:48ff:286f
72.255.40.112 0:0:0:0:0:ffff:48ff:2870
72.255.40.113 0:0:0:0:0:ffff:48ff:2871
72.255.40.114 0:0:0:0:0:ffff:48ff:2872
72.255.40.115 0:0:0:0:0:ffff:48ff:2873
72.255.40.116 0:0:0:0:0:ffff:48ff:2874
72.255.40.117 0:0:0:0:0:ffff:48ff:2875
72.255.40.118 0:0:0:0:0:ffff:48ff:2876
72.255.40.119 0:0:0:0:0:ffff:48ff:2877
72.255.40.120 0:0:0:0:0:ffff:48ff:2878


72.255.40.121 0:0:0:0:0:ffff:48ff:2879
72.255.40.122 0:0:0:0:0:ffff:48ff:287a
72.255.40.123 0:0:0:0:0:ffff:48ff:287b
72.255.40.124 0:0:0:0:0:ffff:48ff:287c
72.255.40.125 0:0:0:0:0:ffff:48ff:287d
72.255.40.126 0:0:0:0:0:ffff:48ff:287e
72.255.40.127 0:0:0:0:0:ffff:48ff:287f
72.255.40.128 0:0:0:0:0:ffff:48ff:2880
72.255.40.129 0:0:0:0:0:ffff:48ff:2881
72.255.40.130 0:0:0:0:0:ffff:48ff:2882
72.255.40.131 0:0:0:0:0:ffff:48ff:2883
72.255.40.132 0:0:0:0:0:ffff:48ff:2884
72.255.40.133 0:0:0:0:0:ffff:48ff:2885
72.255.40.134 0:0:0:0:0:ffff:48ff:2886
72.255.40.135 0:0:0:0:0:ffff:48ff:2887
72.255.40.136 0:0:0:0:0:ffff:48ff:2888
72.255.40.137 0:0:0:0:0:ffff:48ff:2889
72.255.40.138 0:0:0:0:0:ffff:48ff:288a
72.255.40.139 0:0:0:0:0:ffff:48ff:288b
72.255.40.140 0:0:0:0:0:ffff:48ff:288c
72.255.40.141 0:0:0:0:0:ffff:48ff:288d
72.255.40.142 0:0:0:0:0:ffff:48ff:288e
72.255.40.143 0:0:0:0:0:ffff:48ff:288f
72.255.40.144 0:0:0:0:0:ffff:48ff:2890
72.255.40.145 0:0:0:0:0:ffff:48ff:2891
72.255.40.146 0:0:0:0:0:ffff:48ff:2892
72.255.40.147 0:0:0:0:0:ffff:48ff:2893
72.255.40.148 0:0:0:0:0:ffff:48ff:2894
72.255.40.149 0:0:0:0:0:ffff:48ff:2895
72.255.40.150 0:0:0:0:0:ffff:48ff:2896
72.255.40.151 0:0:0:0:0:ffff:48ff:2897
72.255.40.152 0:0:0:0:0:ffff:48ff:2898
72.255.40.153 0:0:0:0:0:ffff:48ff:2899
72.255.40.154 0:0:0:0:0:ffff:48ff:289a
72.255.40.155 0:0:0:0:0:ffff:48ff:289b
72.255.40.156 0:0:0:0:0:ffff:48ff:289c
72.255.40.157 0:0:0:0:0:ffff:48ff:289d
72.255.40.158 0:0:0:0:0:ffff:48ff:289e
72.255.40.159 0:0:0:0:0:ffff:48ff:289f
72.255.40.160 0:0:0:0:0:ffff:48ff:28a0
72.255.40.161 0:0:0:0:0:ffff:48ff:28a1
72.255.40.162 0:0:0:0:0:ffff:48ff:28a2
72.255.40.163 0:0:0:0:0:ffff:48ff:28a3
72.255.40.164 0:0:0:0:0:ffff:48ff:28a4
72.255.40.165 0:0:0:0:0:ffff:48ff:28a5
72.255.40.166 0:0:0:0:0:ffff:48ff:28a6
72.255.40.167 0:0:0:0:0:ffff:48ff:28a7
72.255.40.168 0:0:0:0:0:ffff:48ff:28a8
72.255.40.169 0:0:0:0:0:ffff:48ff:28a9
72.255.40.170 0:0:0:0:0:ffff:48ff:28aa
72.255.40.171 0:0:0:0:0:ffff:48ff:28ab
72.255.40.172 0:0:0:0:0:ffff:48ff:28ac
72.255.40.173 0:0:0:0:0:ffff:48ff:28ad
72.255.40.174 0:0:0:0:0:ffff:48ff:28ae
72.255.40.175 0:0:0:0:0:ffff:48ff:28af
72.255.40.176 0:0:0:0:0:ffff:48ff:28b0
72.255.40.177 0:0:0:0:0:ffff:48ff:28b1
72.255.40.178 0:0:0:0:0:ffff:48ff:28b2
72.255.40.179 0:0:0:0:0:ffff:48ff:28b3
72.255.40.180 0:0:0:0:0:ffff:48ff:28b4


72.255.40.181 0:0:0:0:0:ffff:48ff:28b5
72.255.40.182 0:0:0:0:0:ffff:48ff:28b6
72.255.40.183 0:0:0:0:0:ffff:48ff:28b7
72.255.40.184 0:0:0:0:0:ffff:48ff:28b8
72.255.40.185 0:0:0:0:0:ffff:48ff:28b9
72.255.40.186 0:0:0:0:0:ffff:48ff:28ba
72.255.40.187 0:0:0:0:0:ffff:48ff:28bb
72.255.40.188 0:0:0:0:0:ffff:48ff:28bc
72.255.40.189 0:0:0:0:0:ffff:48ff:28bd
72.255.40.190 0:0:0:0:0:ffff:48ff:28be
72.255.40.191 0:0:0:0:0:ffff:48ff:28bf
72.255.40.192 0:0:0:0:0:ffff:48ff:28c0
72.255.40.193 0:0:0:0:0:ffff:48ff:28c1
72.255.40.194 0:0:0:0:0:ffff:48ff:28c2
72.255.40.195 0:0:0:0:0:ffff:48ff:28c3
72.255.40.196 0:0:0:0:0:ffff:48ff:28c4
72.255.40.197 0:0:0:0:0:ffff:48ff:28c5
72.255.40.198 0:0:0:0:0:ffff:48ff:28c6
72.255.40.199 0:0:0:0:0:ffff:48ff:28c7
72.255.40.200 0:0:0:0:0:ffff:48ff:28c8
72.255.40.201 0:0:0:0:0:ffff:48ff:28c9
72.255.40.202 0:0:0:0:0:ffff:48ff:28ca
72.255.40.203 0:0:0:0:0:ffff:48ff:28cb
72.255.40.204 0:0:0:0:0:ffff:48ff:28cc
72.255.40.205 0:0:0:0:0:ffff:48ff:28cd
72.255.40.206 0:0:0:0:0:ffff:48ff:28ce
72.255.40.207 0:0:0:0:0:ffff:48ff:28cf
72.255.40.208 0:0:0:0:0:ffff:48ff:28d0
72.255.40.209 0:0:0:0:0:ffff:48ff:28d1
72.255.40.210 0:0:0:0:0:ffff:48ff:28d2
72.255.40.211 0:0:0:0:0:ffff:48ff:28d3
72.255.40.212 0:0:0:0:0:ffff:48ff:28d4
72.255.40.213 0:0:0:0:0:ffff:48ff:28d5
72.255.40.214 0:0:0:0:0:ffff:48ff:28d6
72.255.40.215 0:0:0:0:0:ffff:48ff:28d7
72.255.40.216 0:0:0:0:0:ffff:48ff:28d8
72.255.40.217 0:0:0:0:0:ffff:48ff:28d9
72.255.40.218 0:0:0:0:0:ffff:48ff:28da
72.255.40.219 0:0:0:0:0:ffff:48ff:28db
72.255.40.220 0:0:0:0:0:ffff:48ff:28dc
72.255.40.221 0:0:0:0:0:ffff:48ff:28dd
72.255.40.222 0:0:0:0:0:ffff:48ff:28de
72.255.40.223 0:0:0:0:0:ffff:48ff:28df
72.255.40.224 0:0:0:0:0:ffff:48ff:28e0
72.255.40.225 0:0:0:0:0:ffff:48ff:28e1
72.255.40.226 0:0:0:0:0:ffff:48ff:28e2
72.255.40.227 0:0:0:0:0:ffff:48ff:28e3
72.255.40.228 0:0:0:0:0:ffff:48ff:28e4
72.255.40.229 0:0:0:0:0:ffff:48ff:28e5
72.255.40.230 0:0:0:0:0:ffff:48ff:28e6
72.255.40.231 0:0:0:0:0:ffff:48ff:28e7
72.255.40.232 0:0:0:0:0:ffff:48ff:28e8
72.255.40.233 0:0:0:0:0:ffff:48ff:28e9
72.255.40.234 0:0:0:0:0:ffff:48ff:28ea
72.255.40.235 0:0:0:0:0:ffff:48ff:28eb
72.255.40.236 0:0:0:0:0:ffff:48ff:28ec
72.255.40.237 0:0:0:0:0:ffff:48ff:28ed
72.255.40.238 0:0:0:0:0:ffff:48ff:28ee
72.255.40.239 0:0:0:0:0:ffff:48ff:28ef
72.255.40.240 0:0:0:0:0:ffff:48ff:28f0
72.255.40.241 0:0:0:0:0:ffff:48ff:28f1
72.255.40.242 0:0:0:0:0:ffff:48ff:28f2
72.255.40.243 0:0:0:0:0:ffff:48ff:28f3
72.255.40.244 0:0:0:0:0:ffff:48ff:28f4
72.255.40.245 0:0:0:0:0:ffff:48ff:28f5
72.255.40.246 0:0:0:0:0:ffff:48ff:28f6
72.255.40.247 0:0:0:0:0:ffff:48ff:28f7
72.255.40.248 0:0:0:0:0:ffff:48ff:28f8
72.255.40.249 0:0:0:0:0:ffff:48ff:28f9
72.255.40.250 0:0:0:0:0:ffff:48ff:28fa
72.255.40.251 0:0:0:0:0:ffff:48ff:28fb
72.255.40.252 0:0:0:0:0:ffff:48ff:28fc
72.255.40.253 0:0:0:0:0:ffff:48ff:28fd
72.255.40.254 0:0:0:0:0:ffff:48ff:28fe
72.255.40.255 0:0:0:0:0:ffff:48ff:28ff


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.