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
121.83.40.1 0:0:0:0:0:ffff:7953:2801
121.83.40.2 0:0:0:0:0:ffff:7953:2802
121.83.40.3 0:0:0:0:0:ffff:7953:2803
121.83.40.4 0:0:0:0:0:ffff:7953:2804
121.83.40.5 0:0:0:0:0:ffff:7953:2805
121.83.40.6 0:0:0:0:0:ffff:7953:2806
121.83.40.7 0:0:0:0:0:ffff:7953:2807
121.83.40.8 0:0:0:0:0:ffff:7953:2808
121.83.40.9 0:0:0:0:0:ffff:7953:2809
121.83.40.10 0:0:0:0:0:ffff:7953:280a
121.83.40.11 0:0:0:0:0:ffff:7953:280b
121.83.40.12 0:0:0:0:0:ffff:7953:280c
121.83.40.13 0:0:0:0:0:ffff:7953:280d
121.83.40.14 0:0:0:0:0:ffff:7953:280e
121.83.40.15 0:0:0:0:0:ffff:7953:280f
121.83.40.16 0:0:0:0:0:ffff:7953:2810
121.83.40.17 0:0:0:0:0:ffff:7953:2811
121.83.40.18 0:0:0:0:0:ffff:7953:2812
121.83.40.19 0:0:0:0:0:ffff:7953:2813
121.83.40.20 0:0:0:0:0:ffff:7953:2814
121.83.40.21 0:0:0:0:0:ffff:7953:2815
121.83.40.22 0:0:0:0:0:ffff:7953:2816
121.83.40.23 0:0:0:0:0:ffff:7953:2817
121.83.40.24 0:0:0:0:0:ffff:7953:2818
121.83.40.25 0:0:0:0:0:ffff:7953:2819
121.83.40.26 0:0:0:0:0:ffff:7953:281a
121.83.40.27 0:0:0:0:0:ffff:7953:281b
121.83.40.28 0:0:0:0:0:ffff:7953:281c
121.83.40.29 0:0:0:0:0:ffff:7953:281d
121.83.40.30 0:0:0:0:0:ffff:7953:281e
121.83.40.31 0:0:0:0:0:ffff:7953:281f
121.83.40.32 0:0:0:0:0:ffff:7953:2820
121.83.40.33 0:0:0:0:0:ffff:7953:2821
121.83.40.34 0:0:0:0:0:ffff:7953:2822
121.83.40.35 0:0:0:0:0:ffff:7953:2823
121.83.40.36 0:0:0:0:0:ffff:7953:2824
121.83.40.37 0:0:0:0:0:ffff:7953:2825
121.83.40.38 0:0:0:0:0:ffff:7953:2826
121.83.40.39 0:0:0:0:0:ffff:7953:2827
121.83.40.40 0:0:0:0:0:ffff:7953:2828
121.83.40.41 0:0:0:0:0:ffff:7953:2829
121.83.40.42 0:0:0:0:0:ffff:7953:282a
121.83.40.43 0:0:0:0:0:ffff:7953:282b
121.83.40.44 0:0:0:0:0:ffff:7953:282c
121.83.40.45 0:0:0:0:0:ffff:7953:282d
121.83.40.46 0:0:0:0:0:ffff:7953:282e
121.83.40.47 0:0:0:0:0:ffff:7953:282f
121.83.40.48 0:0:0:0:0:ffff:7953:2830
121.83.40.49 0:0:0:0:0:ffff:7953:2831
121.83.40.50 0:0:0:0:0:ffff:7953:2832
121.83.40.51 0:0:0:0:0:ffff:7953:2833
121.83.40.52 0:0:0:0:0:ffff:7953:2834
121.83.40.53 0:0:0:0:0:ffff:7953:2835
121.83.40.54 0:0:0:0:0:ffff:7953:2836
121.83.40.55 0:0:0:0:0:ffff:7953:2837
121.83.40.56 0:0:0:0:0:ffff:7953:2838
121.83.40.57 0:0:0:0:0:ffff:7953:2839
121.83.40.58 0:0:0:0:0:ffff:7953:283a
121.83.40.59 0:0:0:0:0:ffff:7953:283b
121.83.40.60 0:0:0:0:0:ffff:7953:283c


121.83.40.61 0:0:0:0:0:ffff:7953:283d
121.83.40.62 0:0:0:0:0:ffff:7953:283e
121.83.40.63 0:0:0:0:0:ffff:7953:283f
121.83.40.64 0:0:0:0:0:ffff:7953:2840
121.83.40.65 0:0:0:0:0:ffff:7953:2841
121.83.40.66 0:0:0:0:0:ffff:7953:2842
121.83.40.67 0:0:0:0:0:ffff:7953:2843
121.83.40.68 0:0:0:0:0:ffff:7953:2844
121.83.40.69 0:0:0:0:0:ffff:7953:2845
121.83.40.70 0:0:0:0:0:ffff:7953:2846
121.83.40.71 0:0:0:0:0:ffff:7953:2847
121.83.40.72 0:0:0:0:0:ffff:7953:2848
121.83.40.73 0:0:0:0:0:ffff:7953:2849
121.83.40.74 0:0:0:0:0:ffff:7953:284a
121.83.40.75 0:0:0:0:0:ffff:7953:284b
121.83.40.76 0:0:0:0:0:ffff:7953:284c
121.83.40.77 0:0:0:0:0:ffff:7953:284d
121.83.40.78 0:0:0:0:0:ffff:7953:284e
121.83.40.79 0:0:0:0:0:ffff:7953:284f
121.83.40.80 0:0:0:0:0:ffff:7953:2850
121.83.40.81 0:0:0:0:0:ffff:7953:2851
121.83.40.82 0:0:0:0:0:ffff:7953:2852
121.83.40.83 0:0:0:0:0:ffff:7953:2853
121.83.40.84 0:0:0:0:0:ffff:7953:2854
121.83.40.85 0:0:0:0:0:ffff:7953:2855
121.83.40.86 0:0:0:0:0:ffff:7953:2856
121.83.40.87 0:0:0:0:0:ffff:7953:2857
121.83.40.88 0:0:0:0:0:ffff:7953:2858
121.83.40.89 0:0:0:0:0:ffff:7953:2859
121.83.40.90 0:0:0:0:0:ffff:7953:285a
121.83.40.91 0:0:0:0:0:ffff:7953:285b
121.83.40.92 0:0:0:0:0:ffff:7953:285c
121.83.40.93 0:0:0:0:0:ffff:7953:285d
121.83.40.94 0:0:0:0:0:ffff:7953:285e
121.83.40.95 0:0:0:0:0:ffff:7953:285f
121.83.40.96 0:0:0:0:0:ffff:7953:2860
121.83.40.97 0:0:0:0:0:ffff:7953:2861
121.83.40.98 0:0:0:0:0:ffff:7953:2862
121.83.40.99 0:0:0:0:0:ffff:7953:2863
121.83.40.100 0:0:0:0:0:ffff:7953:2864
121.83.40.101 0:0:0:0:0:ffff:7953:2865
121.83.40.102 0:0:0:0:0:ffff:7953:2866
121.83.40.103 0:0:0:0:0:ffff:7953:2867
121.83.40.104 0:0:0:0:0:ffff:7953:2868
121.83.40.105 0:0:0:0:0:ffff:7953:2869
121.83.40.106 0:0:0:0:0:ffff:7953:286a
121.83.40.107 0:0:0:0:0:ffff:7953:286b
121.83.40.108 0:0:0:0:0:ffff:7953:286c
121.83.40.109 0:0:0:0:0:ffff:7953:286d
121.83.40.110 0:0:0:0:0:ffff:7953:286e
121.83.40.111 0:0:0:0:0:ffff:7953:286f
121.83.40.112 0:0:0:0:0:ffff:7953:2870
121.83.40.113 0:0:0:0:0:ffff:7953:2871
121.83.40.114 0:0:0:0:0:ffff:7953:2872
121.83.40.115 0:0:0:0:0:ffff:7953:2873
121.83.40.116 0:0:0:0:0:ffff:7953:2874
121.83.40.117 0:0:0:0:0:ffff:7953:2875
121.83.40.118 0:0:0:0:0:ffff:7953:2876
121.83.40.119 0:0:0:0:0:ffff:7953:2877
121.83.40.120 0:0:0:0:0:ffff:7953:2878


121.83.40.121 0:0:0:0:0:ffff:7953:2879
121.83.40.122 0:0:0:0:0:ffff:7953:287a
121.83.40.123 0:0:0:0:0:ffff:7953:287b
121.83.40.124 0:0:0:0:0:ffff:7953:287c
121.83.40.125 0:0:0:0:0:ffff:7953:287d
121.83.40.126 0:0:0:0:0:ffff:7953:287e
121.83.40.127 0:0:0:0:0:ffff:7953:287f
121.83.40.128 0:0:0:0:0:ffff:7953:2880
121.83.40.129 0:0:0:0:0:ffff:7953:2881
121.83.40.130 0:0:0:0:0:ffff:7953:2882
121.83.40.131 0:0:0:0:0:ffff:7953:2883
121.83.40.132 0:0:0:0:0:ffff:7953:2884
121.83.40.133 0:0:0:0:0:ffff:7953:2885
121.83.40.134 0:0:0:0:0:ffff:7953:2886
121.83.40.135 0:0:0:0:0:ffff:7953:2887
121.83.40.136 0:0:0:0:0:ffff:7953:2888
121.83.40.137 0:0:0:0:0:ffff:7953:2889
121.83.40.138 0:0:0:0:0:ffff:7953:288a
121.83.40.139 0:0:0:0:0:ffff:7953:288b
121.83.40.140 0:0:0:0:0:ffff:7953:288c
121.83.40.141 0:0:0:0:0:ffff:7953:288d
121.83.40.142 0:0:0:0:0:ffff:7953:288e
121.83.40.143 0:0:0:0:0:ffff:7953:288f
121.83.40.144 0:0:0:0:0:ffff:7953:2890
121.83.40.145 0:0:0:0:0:ffff:7953:2891
121.83.40.146 0:0:0:0:0:ffff:7953:2892
121.83.40.147 0:0:0:0:0:ffff:7953:2893
121.83.40.148 0:0:0:0:0:ffff:7953:2894
121.83.40.149 0:0:0:0:0:ffff:7953:2895
121.83.40.150 0:0:0:0:0:ffff:7953:2896
121.83.40.151 0:0:0:0:0:ffff:7953:2897
121.83.40.152 0:0:0:0:0:ffff:7953:2898
121.83.40.153 0:0:0:0:0:ffff:7953:2899
121.83.40.154 0:0:0:0:0:ffff:7953:289a
121.83.40.155 0:0:0:0:0:ffff:7953:289b
121.83.40.156 0:0:0:0:0:ffff:7953:289c
121.83.40.157 0:0:0:0:0:ffff:7953:289d
121.83.40.158 0:0:0:0:0:ffff:7953:289e
121.83.40.159 0:0:0:0:0:ffff:7953:289f
121.83.40.160 0:0:0:0:0:ffff:7953:28a0
121.83.40.161 0:0:0:0:0:ffff:7953:28a1
121.83.40.162 0:0:0:0:0:ffff:7953:28a2
121.83.40.163 0:0:0:0:0:ffff:7953:28a3
121.83.40.164 0:0:0:0:0:ffff:7953:28a4
121.83.40.165 0:0:0:0:0:ffff:7953:28a5
121.83.40.166 0:0:0:0:0:ffff:7953:28a6
121.83.40.167 0:0:0:0:0:ffff:7953:28a7
121.83.40.168 0:0:0:0:0:ffff:7953:28a8
121.83.40.169 0:0:0:0:0:ffff:7953:28a9
121.83.40.170 0:0:0:0:0:ffff:7953:28aa
121.83.40.171 0:0:0:0:0:ffff:7953:28ab
121.83.40.172 0:0:0:0:0:ffff:7953:28ac
121.83.40.173 0:0:0:0:0:ffff:7953:28ad
121.83.40.174 0:0:0:0:0:ffff:7953:28ae
121.83.40.175 0:0:0:0:0:ffff:7953:28af
121.83.40.176 0:0:0:0:0:ffff:7953:28b0
121.83.40.177 0:0:0:0:0:ffff:7953:28b1
121.83.40.178 0:0:0:0:0:ffff:7953:28b2
121.83.40.179 0:0:0:0:0:ffff:7953:28b3
121.83.40.180 0:0:0:0:0:ffff:7953:28b4


121.83.40.181 0:0:0:0:0:ffff:7953:28b5
121.83.40.182 0:0:0:0:0:ffff:7953:28b6
121.83.40.183 0:0:0:0:0:ffff:7953:28b7
121.83.40.184 0:0:0:0:0:ffff:7953:28b8
121.83.40.185 0:0:0:0:0:ffff:7953:28b9
121.83.40.186 0:0:0:0:0:ffff:7953:28ba
121.83.40.187 0:0:0:0:0:ffff:7953:28bb
121.83.40.188 0:0:0:0:0:ffff:7953:28bc
121.83.40.189 0:0:0:0:0:ffff:7953:28bd
121.83.40.190 0:0:0:0:0:ffff:7953:28be
121.83.40.191 0:0:0:0:0:ffff:7953:28bf
121.83.40.192 0:0:0:0:0:ffff:7953:28c0
121.83.40.193 0:0:0:0:0:ffff:7953:28c1
121.83.40.194 0:0:0:0:0:ffff:7953:28c2
121.83.40.195 0:0:0:0:0:ffff:7953:28c3
121.83.40.196 0:0:0:0:0:ffff:7953:28c4
121.83.40.197 0:0:0:0:0:ffff:7953:28c5
121.83.40.198 0:0:0:0:0:ffff:7953:28c6
121.83.40.199 0:0:0:0:0:ffff:7953:28c7
121.83.40.200 0:0:0:0:0:ffff:7953:28c8
121.83.40.201 0:0:0:0:0:ffff:7953:28c9
121.83.40.202 0:0:0:0:0:ffff:7953:28ca
121.83.40.203 0:0:0:0:0:ffff:7953:28cb
121.83.40.204 0:0:0:0:0:ffff:7953:28cc
121.83.40.205 0:0:0:0:0:ffff:7953:28cd
121.83.40.206 0:0:0:0:0:ffff:7953:28ce
121.83.40.207 0:0:0:0:0:ffff:7953:28cf
121.83.40.208 0:0:0:0:0:ffff:7953:28d0
121.83.40.209 0:0:0:0:0:ffff:7953:28d1
121.83.40.210 0:0:0:0:0:ffff:7953:28d2
121.83.40.211 0:0:0:0:0:ffff:7953:28d3
121.83.40.212 0:0:0:0:0:ffff:7953:28d4
121.83.40.213 0:0:0:0:0:ffff:7953:28d5
121.83.40.214 0:0:0:0:0:ffff:7953:28d6
121.83.40.215 0:0:0:0:0:ffff:7953:28d7
121.83.40.216 0:0:0:0:0:ffff:7953:28d8
121.83.40.217 0:0:0:0:0:ffff:7953:28d9
121.83.40.218 0:0:0:0:0:ffff:7953:28da
121.83.40.219 0:0:0:0:0:ffff:7953:28db
121.83.40.220 0:0:0:0:0:ffff:7953:28dc
121.83.40.221 0:0:0:0:0:ffff:7953:28dd
121.83.40.222 0:0:0:0:0:ffff:7953:28de
121.83.40.223 0:0:0:0:0:ffff:7953:28df
121.83.40.224 0:0:0:0:0:ffff:7953:28e0
121.83.40.225 0:0:0:0:0:ffff:7953:28e1
121.83.40.226 0:0:0:0:0:ffff:7953:28e2
121.83.40.227 0:0:0:0:0:ffff:7953:28e3
121.83.40.228 0:0:0:0:0:ffff:7953:28e4
121.83.40.229 0:0:0:0:0:ffff:7953:28e5
121.83.40.230 0:0:0:0:0:ffff:7953:28e6
121.83.40.231 0:0:0:0:0:ffff:7953:28e7
121.83.40.232 0:0:0:0:0:ffff:7953:28e8
121.83.40.233 0:0:0:0:0:ffff:7953:28e9
121.83.40.234 0:0:0:0:0:ffff:7953:28ea
121.83.40.235 0:0:0:0:0:ffff:7953:28eb
121.83.40.236 0:0:0:0:0:ffff:7953:28ec
121.83.40.237 0:0:0:0:0:ffff:7953:28ed
121.83.40.238 0:0:0:0:0:ffff:7953:28ee
121.83.40.239 0:0:0:0:0:ffff:7953:28ef
121.83.40.240 0:0:0:0:0:ffff:7953:28f0
121.83.40.241 0:0:0:0:0:ffff:7953:28f1
121.83.40.242 0:0:0:0:0:ffff:7953:28f2
121.83.40.243 0:0:0:0:0:ffff:7953:28f3
121.83.40.244 0:0:0:0:0:ffff:7953:28f4
121.83.40.245 0:0:0:0:0:ffff:7953:28f5
121.83.40.246 0:0:0:0:0:ffff:7953:28f6
121.83.40.247 0:0:0:0:0:ffff:7953:28f7
121.83.40.248 0:0:0:0:0:ffff:7953:28f8
121.83.40.249 0:0:0:0:0:ffff:7953:28f9
121.83.40.250 0:0:0:0:0:ffff:7953:28fa
121.83.40.251 0:0:0:0:0:ffff:7953:28fb
121.83.40.252 0:0:0:0:0:ffff:7953:28fc
121.83.40.253 0:0:0:0:0:ffff:7953:28fd
121.83.40.254 0:0:0:0:0:ffff:7953:28fe
121.83.40.255 0:0:0:0:0:ffff:7953:28ff


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.