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
31.209.40.1 0:0:0:0:0:ffff:1fd1:2801
31.209.40.2 0:0:0:0:0:ffff:1fd1:2802
31.209.40.3 0:0:0:0:0:ffff:1fd1:2803
31.209.40.4 0:0:0:0:0:ffff:1fd1:2804
31.209.40.5 0:0:0:0:0:ffff:1fd1:2805
31.209.40.6 0:0:0:0:0:ffff:1fd1:2806
31.209.40.7 0:0:0:0:0:ffff:1fd1:2807
31.209.40.8 0:0:0:0:0:ffff:1fd1:2808
31.209.40.9 0:0:0:0:0:ffff:1fd1:2809
31.209.40.10 0:0:0:0:0:ffff:1fd1:280a
31.209.40.11 0:0:0:0:0:ffff:1fd1:280b
31.209.40.12 0:0:0:0:0:ffff:1fd1:280c
31.209.40.13 0:0:0:0:0:ffff:1fd1:280d
31.209.40.14 0:0:0:0:0:ffff:1fd1:280e
31.209.40.15 0:0:0:0:0:ffff:1fd1:280f
31.209.40.16 0:0:0:0:0:ffff:1fd1:2810
31.209.40.17 0:0:0:0:0:ffff:1fd1:2811
31.209.40.18 0:0:0:0:0:ffff:1fd1:2812
31.209.40.19 0:0:0:0:0:ffff:1fd1:2813
31.209.40.20 0:0:0:0:0:ffff:1fd1:2814
31.209.40.21 0:0:0:0:0:ffff:1fd1:2815
31.209.40.22 0:0:0:0:0:ffff:1fd1:2816
31.209.40.23 0:0:0:0:0:ffff:1fd1:2817
31.209.40.24 0:0:0:0:0:ffff:1fd1:2818
31.209.40.25 0:0:0:0:0:ffff:1fd1:2819
31.209.40.26 0:0:0:0:0:ffff:1fd1:281a
31.209.40.27 0:0:0:0:0:ffff:1fd1:281b
31.209.40.28 0:0:0:0:0:ffff:1fd1:281c
31.209.40.29 0:0:0:0:0:ffff:1fd1:281d
31.209.40.30 0:0:0:0:0:ffff:1fd1:281e
31.209.40.31 0:0:0:0:0:ffff:1fd1:281f
31.209.40.32 0:0:0:0:0:ffff:1fd1:2820
31.209.40.33 0:0:0:0:0:ffff:1fd1:2821
31.209.40.34 0:0:0:0:0:ffff:1fd1:2822
31.209.40.35 0:0:0:0:0:ffff:1fd1:2823
31.209.40.36 0:0:0:0:0:ffff:1fd1:2824
31.209.40.37 0:0:0:0:0:ffff:1fd1:2825
31.209.40.38 0:0:0:0:0:ffff:1fd1:2826
31.209.40.39 0:0:0:0:0:ffff:1fd1:2827
31.209.40.40 0:0:0:0:0:ffff:1fd1:2828
31.209.40.41 0:0:0:0:0:ffff:1fd1:2829
31.209.40.42 0:0:0:0:0:ffff:1fd1:282a
31.209.40.43 0:0:0:0:0:ffff:1fd1:282b
31.209.40.44 0:0:0:0:0:ffff:1fd1:282c
31.209.40.45 0:0:0:0:0:ffff:1fd1:282d
31.209.40.46 0:0:0:0:0:ffff:1fd1:282e
31.209.40.47 0:0:0:0:0:ffff:1fd1:282f
31.209.40.48 0:0:0:0:0:ffff:1fd1:2830
31.209.40.49 0:0:0:0:0:ffff:1fd1:2831
31.209.40.50 0:0:0:0:0:ffff:1fd1:2832
31.209.40.51 0:0:0:0:0:ffff:1fd1:2833
31.209.40.52 0:0:0:0:0:ffff:1fd1:2834
31.209.40.53 0:0:0:0:0:ffff:1fd1:2835
31.209.40.54 0:0:0:0:0:ffff:1fd1:2836
31.209.40.55 0:0:0:0:0:ffff:1fd1:2837
31.209.40.56 0:0:0:0:0:ffff:1fd1:2838
31.209.40.57 0:0:0:0:0:ffff:1fd1:2839
31.209.40.58 0:0:0:0:0:ffff:1fd1:283a
31.209.40.59 0:0:0:0:0:ffff:1fd1:283b
31.209.40.60 0:0:0:0:0:ffff:1fd1:283c


31.209.40.61 0:0:0:0:0:ffff:1fd1:283d
31.209.40.62 0:0:0:0:0:ffff:1fd1:283e
31.209.40.63 0:0:0:0:0:ffff:1fd1:283f
31.209.40.64 0:0:0:0:0:ffff:1fd1:2840
31.209.40.65 0:0:0:0:0:ffff:1fd1:2841
31.209.40.66 0:0:0:0:0:ffff:1fd1:2842
31.209.40.67 0:0:0:0:0:ffff:1fd1:2843
31.209.40.68 0:0:0:0:0:ffff:1fd1:2844
31.209.40.69 0:0:0:0:0:ffff:1fd1:2845
31.209.40.70 0:0:0:0:0:ffff:1fd1:2846
31.209.40.71 0:0:0:0:0:ffff:1fd1:2847
31.209.40.72 0:0:0:0:0:ffff:1fd1:2848
31.209.40.73 0:0:0:0:0:ffff:1fd1:2849
31.209.40.74 0:0:0:0:0:ffff:1fd1:284a
31.209.40.75 0:0:0:0:0:ffff:1fd1:284b
31.209.40.76 0:0:0:0:0:ffff:1fd1:284c
31.209.40.77 0:0:0:0:0:ffff:1fd1:284d
31.209.40.78 0:0:0:0:0:ffff:1fd1:284e
31.209.40.79 0:0:0:0:0:ffff:1fd1:284f
31.209.40.80 0:0:0:0:0:ffff:1fd1:2850
31.209.40.81 0:0:0:0:0:ffff:1fd1:2851
31.209.40.82 0:0:0:0:0:ffff:1fd1:2852
31.209.40.83 0:0:0:0:0:ffff:1fd1:2853
31.209.40.84 0:0:0:0:0:ffff:1fd1:2854
31.209.40.85 0:0:0:0:0:ffff:1fd1:2855
31.209.40.86 0:0:0:0:0:ffff:1fd1:2856
31.209.40.87 0:0:0:0:0:ffff:1fd1:2857
31.209.40.88 0:0:0:0:0:ffff:1fd1:2858
31.209.40.89 0:0:0:0:0:ffff:1fd1:2859
31.209.40.90 0:0:0:0:0:ffff:1fd1:285a
31.209.40.91 0:0:0:0:0:ffff:1fd1:285b
31.209.40.92 0:0:0:0:0:ffff:1fd1:285c
31.209.40.93 0:0:0:0:0:ffff:1fd1:285d
31.209.40.94 0:0:0:0:0:ffff:1fd1:285e
31.209.40.95 0:0:0:0:0:ffff:1fd1:285f
31.209.40.96 0:0:0:0:0:ffff:1fd1:2860
31.209.40.97 0:0:0:0:0:ffff:1fd1:2861
31.209.40.98 0:0:0:0:0:ffff:1fd1:2862
31.209.40.99 0:0:0:0:0:ffff:1fd1:2863
31.209.40.100 0:0:0:0:0:ffff:1fd1:2864
31.209.40.101 0:0:0:0:0:ffff:1fd1:2865
31.209.40.102 0:0:0:0:0:ffff:1fd1:2866
31.209.40.103 0:0:0:0:0:ffff:1fd1:2867
31.209.40.104 0:0:0:0:0:ffff:1fd1:2868
31.209.40.105 0:0:0:0:0:ffff:1fd1:2869
31.209.40.106 0:0:0:0:0:ffff:1fd1:286a
31.209.40.107 0:0:0:0:0:ffff:1fd1:286b
31.209.40.108 0:0:0:0:0:ffff:1fd1:286c
31.209.40.109 0:0:0:0:0:ffff:1fd1:286d
31.209.40.110 0:0:0:0:0:ffff:1fd1:286e
31.209.40.111 0:0:0:0:0:ffff:1fd1:286f
31.209.40.112 0:0:0:0:0:ffff:1fd1:2870
31.209.40.113 0:0:0:0:0:ffff:1fd1:2871
31.209.40.114 0:0:0:0:0:ffff:1fd1:2872
31.209.40.115 0:0:0:0:0:ffff:1fd1:2873
31.209.40.116 0:0:0:0:0:ffff:1fd1:2874
31.209.40.117 0:0:0:0:0:ffff:1fd1:2875
31.209.40.118 0:0:0:0:0:ffff:1fd1:2876
31.209.40.119 0:0:0:0:0:ffff:1fd1:2877
31.209.40.120 0:0:0:0:0:ffff:1fd1:2878


31.209.40.121 0:0:0:0:0:ffff:1fd1:2879
31.209.40.122 0:0:0:0:0:ffff:1fd1:287a
31.209.40.123 0:0:0:0:0:ffff:1fd1:287b
31.209.40.124 0:0:0:0:0:ffff:1fd1:287c
31.209.40.125 0:0:0:0:0:ffff:1fd1:287d
31.209.40.126 0:0:0:0:0:ffff:1fd1:287e
31.209.40.127 0:0:0:0:0:ffff:1fd1:287f
31.209.40.128 0:0:0:0:0:ffff:1fd1:2880
31.209.40.129 0:0:0:0:0:ffff:1fd1:2881
31.209.40.130 0:0:0:0:0:ffff:1fd1:2882
31.209.40.131 0:0:0:0:0:ffff:1fd1:2883
31.209.40.132 0:0:0:0:0:ffff:1fd1:2884
31.209.40.133 0:0:0:0:0:ffff:1fd1:2885
31.209.40.134 0:0:0:0:0:ffff:1fd1:2886
31.209.40.135 0:0:0:0:0:ffff:1fd1:2887
31.209.40.136 0:0:0:0:0:ffff:1fd1:2888
31.209.40.137 0:0:0:0:0:ffff:1fd1:2889
31.209.40.138 0:0:0:0:0:ffff:1fd1:288a
31.209.40.139 0:0:0:0:0:ffff:1fd1:288b
31.209.40.140 0:0:0:0:0:ffff:1fd1:288c
31.209.40.141 0:0:0:0:0:ffff:1fd1:288d
31.209.40.142 0:0:0:0:0:ffff:1fd1:288e
31.209.40.143 0:0:0:0:0:ffff:1fd1:288f
31.209.40.144 0:0:0:0:0:ffff:1fd1:2890
31.209.40.145 0:0:0:0:0:ffff:1fd1:2891
31.209.40.146 0:0:0:0:0:ffff:1fd1:2892
31.209.40.147 0:0:0:0:0:ffff:1fd1:2893
31.209.40.148 0:0:0:0:0:ffff:1fd1:2894
31.209.40.149 0:0:0:0:0:ffff:1fd1:2895
31.209.40.150 0:0:0:0:0:ffff:1fd1:2896
31.209.40.151 0:0:0:0:0:ffff:1fd1:2897
31.209.40.152 0:0:0:0:0:ffff:1fd1:2898
31.209.40.153 0:0:0:0:0:ffff:1fd1:2899
31.209.40.154 0:0:0:0:0:ffff:1fd1:289a
31.209.40.155 0:0:0:0:0:ffff:1fd1:289b
31.209.40.156 0:0:0:0:0:ffff:1fd1:289c
31.209.40.157 0:0:0:0:0:ffff:1fd1:289d
31.209.40.158 0:0:0:0:0:ffff:1fd1:289e
31.209.40.159 0:0:0:0:0:ffff:1fd1:289f
31.209.40.160 0:0:0:0:0:ffff:1fd1:28a0
31.209.40.161 0:0:0:0:0:ffff:1fd1:28a1
31.209.40.162 0:0:0:0:0:ffff:1fd1:28a2
31.209.40.163 0:0:0:0:0:ffff:1fd1:28a3
31.209.40.164 0:0:0:0:0:ffff:1fd1:28a4
31.209.40.165 0:0:0:0:0:ffff:1fd1:28a5
31.209.40.166 0:0:0:0:0:ffff:1fd1:28a6
31.209.40.167 0:0:0:0:0:ffff:1fd1:28a7
31.209.40.168 0:0:0:0:0:ffff:1fd1:28a8
31.209.40.169 0:0:0:0:0:ffff:1fd1:28a9
31.209.40.170 0:0:0:0:0:ffff:1fd1:28aa
31.209.40.171 0:0:0:0:0:ffff:1fd1:28ab
31.209.40.172 0:0:0:0:0:ffff:1fd1:28ac
31.209.40.173 0:0:0:0:0:ffff:1fd1:28ad
31.209.40.174 0:0:0:0:0:ffff:1fd1:28ae
31.209.40.175 0:0:0:0:0:ffff:1fd1:28af
31.209.40.176 0:0:0:0:0:ffff:1fd1:28b0
31.209.40.177 0:0:0:0:0:ffff:1fd1:28b1
31.209.40.178 0:0:0:0:0:ffff:1fd1:28b2
31.209.40.179 0:0:0:0:0:ffff:1fd1:28b3
31.209.40.180 0:0:0:0:0:ffff:1fd1:28b4


31.209.40.181 0:0:0:0:0:ffff:1fd1:28b5
31.209.40.182 0:0:0:0:0:ffff:1fd1:28b6
31.209.40.183 0:0:0:0:0:ffff:1fd1:28b7
31.209.40.184 0:0:0:0:0:ffff:1fd1:28b8
31.209.40.185 0:0:0:0:0:ffff:1fd1:28b9
31.209.40.186 0:0:0:0:0:ffff:1fd1:28ba
31.209.40.187 0:0:0:0:0:ffff:1fd1:28bb
31.209.40.188 0:0:0:0:0:ffff:1fd1:28bc
31.209.40.189 0:0:0:0:0:ffff:1fd1:28bd
31.209.40.190 0:0:0:0:0:ffff:1fd1:28be
31.209.40.191 0:0:0:0:0:ffff:1fd1:28bf
31.209.40.192 0:0:0:0:0:ffff:1fd1:28c0
31.209.40.193 0:0:0:0:0:ffff:1fd1:28c1
31.209.40.194 0:0:0:0:0:ffff:1fd1:28c2
31.209.40.195 0:0:0:0:0:ffff:1fd1:28c3
31.209.40.196 0:0:0:0:0:ffff:1fd1:28c4
31.209.40.197 0:0:0:0:0:ffff:1fd1:28c5
31.209.40.198 0:0:0:0:0:ffff:1fd1:28c6
31.209.40.199 0:0:0:0:0:ffff:1fd1:28c7
31.209.40.200 0:0:0:0:0:ffff:1fd1:28c8
31.209.40.201 0:0:0:0:0:ffff:1fd1:28c9
31.209.40.202 0:0:0:0:0:ffff:1fd1:28ca
31.209.40.203 0:0:0:0:0:ffff:1fd1:28cb
31.209.40.204 0:0:0:0:0:ffff:1fd1:28cc
31.209.40.205 0:0:0:0:0:ffff:1fd1:28cd
31.209.40.206 0:0:0:0:0:ffff:1fd1:28ce
31.209.40.207 0:0:0:0:0:ffff:1fd1:28cf
31.209.40.208 0:0:0:0:0:ffff:1fd1:28d0
31.209.40.209 0:0:0:0:0:ffff:1fd1:28d1
31.209.40.210 0:0:0:0:0:ffff:1fd1:28d2
31.209.40.211 0:0:0:0:0:ffff:1fd1:28d3
31.209.40.212 0:0:0:0:0:ffff:1fd1:28d4
31.209.40.213 0:0:0:0:0:ffff:1fd1:28d5
31.209.40.214 0:0:0:0:0:ffff:1fd1:28d6
31.209.40.215 0:0:0:0:0:ffff:1fd1:28d7
31.209.40.216 0:0:0:0:0:ffff:1fd1:28d8
31.209.40.217 0:0:0:0:0:ffff:1fd1:28d9
31.209.40.218 0:0:0:0:0:ffff:1fd1:28da
31.209.40.219 0:0:0:0:0:ffff:1fd1:28db
31.209.40.220 0:0:0:0:0:ffff:1fd1:28dc
31.209.40.221 0:0:0:0:0:ffff:1fd1:28dd
31.209.40.222 0:0:0:0:0:ffff:1fd1:28de
31.209.40.223 0:0:0:0:0:ffff:1fd1:28df
31.209.40.224 0:0:0:0:0:ffff:1fd1:28e0
31.209.40.225 0:0:0:0:0:ffff:1fd1:28e1
31.209.40.226 0:0:0:0:0:ffff:1fd1:28e2
31.209.40.227 0:0:0:0:0:ffff:1fd1:28e3
31.209.40.228 0:0:0:0:0:ffff:1fd1:28e4
31.209.40.229 0:0:0:0:0:ffff:1fd1:28e5
31.209.40.230 0:0:0:0:0:ffff:1fd1:28e6
31.209.40.231 0:0:0:0:0:ffff:1fd1:28e7
31.209.40.232 0:0:0:0:0:ffff:1fd1:28e8
31.209.40.233 0:0:0:0:0:ffff:1fd1:28e9
31.209.40.234 0:0:0:0:0:ffff:1fd1:28ea
31.209.40.235 0:0:0:0:0:ffff:1fd1:28eb
31.209.40.236 0:0:0:0:0:ffff:1fd1:28ec
31.209.40.237 0:0:0:0:0:ffff:1fd1:28ed
31.209.40.238 0:0:0:0:0:ffff:1fd1:28ee
31.209.40.239 0:0:0:0:0:ffff:1fd1:28ef
31.209.40.240 0:0:0:0:0:ffff:1fd1:28f0
31.209.40.241 0:0:0:0:0:ffff:1fd1:28f1
31.209.40.242 0:0:0:0:0:ffff:1fd1:28f2
31.209.40.243 0:0:0:0:0:ffff:1fd1:28f3
31.209.40.244 0:0:0:0:0:ffff:1fd1:28f4
31.209.40.245 0:0:0:0:0:ffff:1fd1:28f5
31.209.40.246 0:0:0:0:0:ffff:1fd1:28f6
31.209.40.247 0:0:0:0:0:ffff:1fd1:28f7
31.209.40.248 0:0:0:0:0:ffff:1fd1:28f8
31.209.40.249 0:0:0:0:0:ffff:1fd1:28f9
31.209.40.250 0:0:0:0:0:ffff:1fd1:28fa
31.209.40.251 0:0:0:0:0:ffff:1fd1:28fb
31.209.40.252 0:0:0:0:0:ffff:1fd1:28fc
31.209.40.253 0:0:0:0:0:ffff:1fd1:28fd
31.209.40.254 0:0:0:0:0:ffff:1fd1:28fe
31.209.40.255 0:0:0:0:0:ffff:1fd1:28ff


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.