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
140.143.40.1 0:0:0:0:0:ffff:8c8f:2801
140.143.40.2 0:0:0:0:0:ffff:8c8f:2802
140.143.40.3 0:0:0:0:0:ffff:8c8f:2803
140.143.40.4 0:0:0:0:0:ffff:8c8f:2804
140.143.40.5 0:0:0:0:0:ffff:8c8f:2805
140.143.40.6 0:0:0:0:0:ffff:8c8f:2806
140.143.40.7 0:0:0:0:0:ffff:8c8f:2807
140.143.40.8 0:0:0:0:0:ffff:8c8f:2808
140.143.40.9 0:0:0:0:0:ffff:8c8f:2809
140.143.40.10 0:0:0:0:0:ffff:8c8f:280a
140.143.40.11 0:0:0:0:0:ffff:8c8f:280b
140.143.40.12 0:0:0:0:0:ffff:8c8f:280c
140.143.40.13 0:0:0:0:0:ffff:8c8f:280d
140.143.40.14 0:0:0:0:0:ffff:8c8f:280e
140.143.40.15 0:0:0:0:0:ffff:8c8f:280f
140.143.40.16 0:0:0:0:0:ffff:8c8f:2810
140.143.40.17 0:0:0:0:0:ffff:8c8f:2811
140.143.40.18 0:0:0:0:0:ffff:8c8f:2812
140.143.40.19 0:0:0:0:0:ffff:8c8f:2813
140.143.40.20 0:0:0:0:0:ffff:8c8f:2814
140.143.40.21 0:0:0:0:0:ffff:8c8f:2815
140.143.40.22 0:0:0:0:0:ffff:8c8f:2816
140.143.40.23 0:0:0:0:0:ffff:8c8f:2817
140.143.40.24 0:0:0:0:0:ffff:8c8f:2818
140.143.40.25 0:0:0:0:0:ffff:8c8f:2819
140.143.40.26 0:0:0:0:0:ffff:8c8f:281a
140.143.40.27 0:0:0:0:0:ffff:8c8f:281b
140.143.40.28 0:0:0:0:0:ffff:8c8f:281c
140.143.40.29 0:0:0:0:0:ffff:8c8f:281d
140.143.40.30 0:0:0:0:0:ffff:8c8f:281e
140.143.40.31 0:0:0:0:0:ffff:8c8f:281f
140.143.40.32 0:0:0:0:0:ffff:8c8f:2820
140.143.40.33 0:0:0:0:0:ffff:8c8f:2821
140.143.40.34 0:0:0:0:0:ffff:8c8f:2822
140.143.40.35 0:0:0:0:0:ffff:8c8f:2823
140.143.40.36 0:0:0:0:0:ffff:8c8f:2824
140.143.40.37 0:0:0:0:0:ffff:8c8f:2825
140.143.40.38 0:0:0:0:0:ffff:8c8f:2826
140.143.40.39 0:0:0:0:0:ffff:8c8f:2827
140.143.40.40 0:0:0:0:0:ffff:8c8f:2828
140.143.40.41 0:0:0:0:0:ffff:8c8f:2829
140.143.40.42 0:0:0:0:0:ffff:8c8f:282a
140.143.40.43 0:0:0:0:0:ffff:8c8f:282b
140.143.40.44 0:0:0:0:0:ffff:8c8f:282c
140.143.40.45 0:0:0:0:0:ffff:8c8f:282d
140.143.40.46 0:0:0:0:0:ffff:8c8f:282e
140.143.40.47 0:0:0:0:0:ffff:8c8f:282f
140.143.40.48 0:0:0:0:0:ffff:8c8f:2830
140.143.40.49 0:0:0:0:0:ffff:8c8f:2831
140.143.40.50 0:0:0:0:0:ffff:8c8f:2832
140.143.40.51 0:0:0:0:0:ffff:8c8f:2833
140.143.40.52 0:0:0:0:0:ffff:8c8f:2834
140.143.40.53 0:0:0:0:0:ffff:8c8f:2835
140.143.40.54 0:0:0:0:0:ffff:8c8f:2836
140.143.40.55 0:0:0:0:0:ffff:8c8f:2837
140.143.40.56 0:0:0:0:0:ffff:8c8f:2838
140.143.40.57 0:0:0:0:0:ffff:8c8f:2839
140.143.40.58 0:0:0:0:0:ffff:8c8f:283a
140.143.40.59 0:0:0:0:0:ffff:8c8f:283b
140.143.40.60 0:0:0:0:0:ffff:8c8f:283c


140.143.40.61 0:0:0:0:0:ffff:8c8f:283d
140.143.40.62 0:0:0:0:0:ffff:8c8f:283e
140.143.40.63 0:0:0:0:0:ffff:8c8f:283f
140.143.40.64 0:0:0:0:0:ffff:8c8f:2840
140.143.40.65 0:0:0:0:0:ffff:8c8f:2841
140.143.40.66 0:0:0:0:0:ffff:8c8f:2842
140.143.40.67 0:0:0:0:0:ffff:8c8f:2843
140.143.40.68 0:0:0:0:0:ffff:8c8f:2844
140.143.40.69 0:0:0:0:0:ffff:8c8f:2845
140.143.40.70 0:0:0:0:0:ffff:8c8f:2846
140.143.40.71 0:0:0:0:0:ffff:8c8f:2847
140.143.40.72 0:0:0:0:0:ffff:8c8f:2848
140.143.40.73 0:0:0:0:0:ffff:8c8f:2849
140.143.40.74 0:0:0:0:0:ffff:8c8f:284a
140.143.40.75 0:0:0:0:0:ffff:8c8f:284b
140.143.40.76 0:0:0:0:0:ffff:8c8f:284c
140.143.40.77 0:0:0:0:0:ffff:8c8f:284d
140.143.40.78 0:0:0:0:0:ffff:8c8f:284e
140.143.40.79 0:0:0:0:0:ffff:8c8f:284f
140.143.40.80 0:0:0:0:0:ffff:8c8f:2850
140.143.40.81 0:0:0:0:0:ffff:8c8f:2851
140.143.40.82 0:0:0:0:0:ffff:8c8f:2852
140.143.40.83 0:0:0:0:0:ffff:8c8f:2853
140.143.40.84 0:0:0:0:0:ffff:8c8f:2854
140.143.40.85 0:0:0:0:0:ffff:8c8f:2855
140.143.40.86 0:0:0:0:0:ffff:8c8f:2856
140.143.40.87 0:0:0:0:0:ffff:8c8f:2857
140.143.40.88 0:0:0:0:0:ffff:8c8f:2858
140.143.40.89 0:0:0:0:0:ffff:8c8f:2859
140.143.40.90 0:0:0:0:0:ffff:8c8f:285a
140.143.40.91 0:0:0:0:0:ffff:8c8f:285b
140.143.40.92 0:0:0:0:0:ffff:8c8f:285c
140.143.40.93 0:0:0:0:0:ffff:8c8f:285d
140.143.40.94 0:0:0:0:0:ffff:8c8f:285e
140.143.40.95 0:0:0:0:0:ffff:8c8f:285f
140.143.40.96 0:0:0:0:0:ffff:8c8f:2860
140.143.40.97 0:0:0:0:0:ffff:8c8f:2861
140.143.40.98 0:0:0:0:0:ffff:8c8f:2862
140.143.40.99 0:0:0:0:0:ffff:8c8f:2863
140.143.40.100 0:0:0:0:0:ffff:8c8f:2864
140.143.40.101 0:0:0:0:0:ffff:8c8f:2865
140.143.40.102 0:0:0:0:0:ffff:8c8f:2866
140.143.40.103 0:0:0:0:0:ffff:8c8f:2867
140.143.40.104 0:0:0:0:0:ffff:8c8f:2868
140.143.40.105 0:0:0:0:0:ffff:8c8f:2869
140.143.40.106 0:0:0:0:0:ffff:8c8f:286a
140.143.40.107 0:0:0:0:0:ffff:8c8f:286b
140.143.40.108 0:0:0:0:0:ffff:8c8f:286c
140.143.40.109 0:0:0:0:0:ffff:8c8f:286d
140.143.40.110 0:0:0:0:0:ffff:8c8f:286e
140.143.40.111 0:0:0:0:0:ffff:8c8f:286f
140.143.40.112 0:0:0:0:0:ffff:8c8f:2870
140.143.40.113 0:0:0:0:0:ffff:8c8f:2871
140.143.40.114 0:0:0:0:0:ffff:8c8f:2872
140.143.40.115 0:0:0:0:0:ffff:8c8f:2873
140.143.40.116 0:0:0:0:0:ffff:8c8f:2874
140.143.40.117 0:0:0:0:0:ffff:8c8f:2875
140.143.40.118 0:0:0:0:0:ffff:8c8f:2876
140.143.40.119 0:0:0:0:0:ffff:8c8f:2877
140.143.40.120 0:0:0:0:0:ffff:8c8f:2878


140.143.40.121 0:0:0:0:0:ffff:8c8f:2879
140.143.40.122 0:0:0:0:0:ffff:8c8f:287a
140.143.40.123 0:0:0:0:0:ffff:8c8f:287b
140.143.40.124 0:0:0:0:0:ffff:8c8f:287c
140.143.40.125 0:0:0:0:0:ffff:8c8f:287d
140.143.40.126 0:0:0:0:0:ffff:8c8f:287e
140.143.40.127 0:0:0:0:0:ffff:8c8f:287f
140.143.40.128 0:0:0:0:0:ffff:8c8f:2880
140.143.40.129 0:0:0:0:0:ffff:8c8f:2881
140.143.40.130 0:0:0:0:0:ffff:8c8f:2882
140.143.40.131 0:0:0:0:0:ffff:8c8f:2883
140.143.40.132 0:0:0:0:0:ffff:8c8f:2884
140.143.40.133 0:0:0:0:0:ffff:8c8f:2885
140.143.40.134 0:0:0:0:0:ffff:8c8f:2886
140.143.40.135 0:0:0:0:0:ffff:8c8f:2887
140.143.40.136 0:0:0:0:0:ffff:8c8f:2888
140.143.40.137 0:0:0:0:0:ffff:8c8f:2889
140.143.40.138 0:0:0:0:0:ffff:8c8f:288a
140.143.40.139 0:0:0:0:0:ffff:8c8f:288b
140.143.40.140 0:0:0:0:0:ffff:8c8f:288c
140.143.40.141 0:0:0:0:0:ffff:8c8f:288d
140.143.40.142 0:0:0:0:0:ffff:8c8f:288e
140.143.40.143 0:0:0:0:0:ffff:8c8f:288f
140.143.40.144 0:0:0:0:0:ffff:8c8f:2890
140.143.40.145 0:0:0:0:0:ffff:8c8f:2891
140.143.40.146 0:0:0:0:0:ffff:8c8f:2892
140.143.40.147 0:0:0:0:0:ffff:8c8f:2893
140.143.40.148 0:0:0:0:0:ffff:8c8f:2894
140.143.40.149 0:0:0:0:0:ffff:8c8f:2895
140.143.40.150 0:0:0:0:0:ffff:8c8f:2896
140.143.40.151 0:0:0:0:0:ffff:8c8f:2897
140.143.40.152 0:0:0:0:0:ffff:8c8f:2898
140.143.40.153 0:0:0:0:0:ffff:8c8f:2899
140.143.40.154 0:0:0:0:0:ffff:8c8f:289a
140.143.40.155 0:0:0:0:0:ffff:8c8f:289b
140.143.40.156 0:0:0:0:0:ffff:8c8f:289c
140.143.40.157 0:0:0:0:0:ffff:8c8f:289d
140.143.40.158 0:0:0:0:0:ffff:8c8f:289e
140.143.40.159 0:0:0:0:0:ffff:8c8f:289f
140.143.40.160 0:0:0:0:0:ffff:8c8f:28a0
140.143.40.161 0:0:0:0:0:ffff:8c8f:28a1
140.143.40.162 0:0:0:0:0:ffff:8c8f:28a2
140.143.40.163 0:0:0:0:0:ffff:8c8f:28a3
140.143.40.164 0:0:0:0:0:ffff:8c8f:28a4
140.143.40.165 0:0:0:0:0:ffff:8c8f:28a5
140.143.40.166 0:0:0:0:0:ffff:8c8f:28a6
140.143.40.167 0:0:0:0:0:ffff:8c8f:28a7
140.143.40.168 0:0:0:0:0:ffff:8c8f:28a8
140.143.40.169 0:0:0:0:0:ffff:8c8f:28a9
140.143.40.170 0:0:0:0:0:ffff:8c8f:28aa
140.143.40.171 0:0:0:0:0:ffff:8c8f:28ab
140.143.40.172 0:0:0:0:0:ffff:8c8f:28ac
140.143.40.173 0:0:0:0:0:ffff:8c8f:28ad
140.143.40.174 0:0:0:0:0:ffff:8c8f:28ae
140.143.40.175 0:0:0:0:0:ffff:8c8f:28af
140.143.40.176 0:0:0:0:0:ffff:8c8f:28b0
140.143.40.177 0:0:0:0:0:ffff:8c8f:28b1
140.143.40.178 0:0:0:0:0:ffff:8c8f:28b2
140.143.40.179 0:0:0:0:0:ffff:8c8f:28b3
140.143.40.180 0:0:0:0:0:ffff:8c8f:28b4


140.143.40.181 0:0:0:0:0:ffff:8c8f:28b5
140.143.40.182 0:0:0:0:0:ffff:8c8f:28b6
140.143.40.183 0:0:0:0:0:ffff:8c8f:28b7
140.143.40.184 0:0:0:0:0:ffff:8c8f:28b8
140.143.40.185 0:0:0:0:0:ffff:8c8f:28b9
140.143.40.186 0:0:0:0:0:ffff:8c8f:28ba
140.143.40.187 0:0:0:0:0:ffff:8c8f:28bb
140.143.40.188 0:0:0:0:0:ffff:8c8f:28bc
140.143.40.189 0:0:0:0:0:ffff:8c8f:28bd
140.143.40.190 0:0:0:0:0:ffff:8c8f:28be
140.143.40.191 0:0:0:0:0:ffff:8c8f:28bf
140.143.40.192 0:0:0:0:0:ffff:8c8f:28c0
140.143.40.193 0:0:0:0:0:ffff:8c8f:28c1
140.143.40.194 0:0:0:0:0:ffff:8c8f:28c2
140.143.40.195 0:0:0:0:0:ffff:8c8f:28c3
140.143.40.196 0:0:0:0:0:ffff:8c8f:28c4
140.143.40.197 0:0:0:0:0:ffff:8c8f:28c5
140.143.40.198 0:0:0:0:0:ffff:8c8f:28c6
140.143.40.199 0:0:0:0:0:ffff:8c8f:28c7
140.143.40.200 0:0:0:0:0:ffff:8c8f:28c8
140.143.40.201 0:0:0:0:0:ffff:8c8f:28c9
140.143.40.202 0:0:0:0:0:ffff:8c8f:28ca
140.143.40.203 0:0:0:0:0:ffff:8c8f:28cb
140.143.40.204 0:0:0:0:0:ffff:8c8f:28cc
140.143.40.205 0:0:0:0:0:ffff:8c8f:28cd
140.143.40.206 0:0:0:0:0:ffff:8c8f:28ce
140.143.40.207 0:0:0:0:0:ffff:8c8f:28cf
140.143.40.208 0:0:0:0:0:ffff:8c8f:28d0
140.143.40.209 0:0:0:0:0:ffff:8c8f:28d1
140.143.40.210 0:0:0:0:0:ffff:8c8f:28d2
140.143.40.211 0:0:0:0:0:ffff:8c8f:28d3
140.143.40.212 0:0:0:0:0:ffff:8c8f:28d4
140.143.40.213 0:0:0:0:0:ffff:8c8f:28d5
140.143.40.214 0:0:0:0:0:ffff:8c8f:28d6
140.143.40.215 0:0:0:0:0:ffff:8c8f:28d7
140.143.40.216 0:0:0:0:0:ffff:8c8f:28d8
140.143.40.217 0:0:0:0:0:ffff:8c8f:28d9
140.143.40.218 0:0:0:0:0:ffff:8c8f:28da
140.143.40.219 0:0:0:0:0:ffff:8c8f:28db
140.143.40.220 0:0:0:0:0:ffff:8c8f:28dc
140.143.40.221 0:0:0:0:0:ffff:8c8f:28dd
140.143.40.222 0:0:0:0:0:ffff:8c8f:28de
140.143.40.223 0:0:0:0:0:ffff:8c8f:28df
140.143.40.224 0:0:0:0:0:ffff:8c8f:28e0
140.143.40.225 0:0:0:0:0:ffff:8c8f:28e1
140.143.40.226 0:0:0:0:0:ffff:8c8f:28e2
140.143.40.227 0:0:0:0:0:ffff:8c8f:28e3
140.143.40.228 0:0:0:0:0:ffff:8c8f:28e4
140.143.40.229 0:0:0:0:0:ffff:8c8f:28e5
140.143.40.230 0:0:0:0:0:ffff:8c8f:28e6
140.143.40.231 0:0:0:0:0:ffff:8c8f:28e7
140.143.40.232 0:0:0:0:0:ffff:8c8f:28e8
140.143.40.233 0:0:0:0:0:ffff:8c8f:28e9
140.143.40.234 0:0:0:0:0:ffff:8c8f:28ea
140.143.40.235 0:0:0:0:0:ffff:8c8f:28eb
140.143.40.236 0:0:0:0:0:ffff:8c8f:28ec
140.143.40.237 0:0:0:0:0:ffff:8c8f:28ed
140.143.40.238 0:0:0:0:0:ffff:8c8f:28ee
140.143.40.239 0:0:0:0:0:ffff:8c8f:28ef
140.143.40.240 0:0:0:0:0:ffff:8c8f:28f0
140.143.40.241 0:0:0:0:0:ffff:8c8f:28f1
140.143.40.242 0:0:0:0:0:ffff:8c8f:28f2
140.143.40.243 0:0:0:0:0:ffff:8c8f:28f3
140.143.40.244 0:0:0:0:0:ffff:8c8f:28f4
140.143.40.245 0:0:0:0:0:ffff:8c8f:28f5
140.143.40.246 0:0:0:0:0:ffff:8c8f:28f6
140.143.40.247 0:0:0:0:0:ffff:8c8f:28f7
140.143.40.248 0:0:0:0:0:ffff:8c8f:28f8
140.143.40.249 0:0:0:0:0:ffff:8c8f:28f9
140.143.40.250 0:0:0:0:0:ffff:8c8f:28fa
140.143.40.251 0:0:0:0:0:ffff:8c8f:28fb
140.143.40.252 0:0:0:0:0:ffff:8c8f:28fc
140.143.40.253 0:0:0:0:0:ffff:8c8f:28fd
140.143.40.254 0:0:0:0:0:ffff:8c8f:28fe
140.143.40.255 0:0:0:0:0:ffff:8c8f: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.