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
19.73.40.1 0:0:0:0:0:ffff:1349:2801
19.73.40.2 0:0:0:0:0:ffff:1349:2802
19.73.40.3 0:0:0:0:0:ffff:1349:2803
19.73.40.4 0:0:0:0:0:ffff:1349:2804
19.73.40.5 0:0:0:0:0:ffff:1349:2805
19.73.40.6 0:0:0:0:0:ffff:1349:2806
19.73.40.7 0:0:0:0:0:ffff:1349:2807
19.73.40.8 0:0:0:0:0:ffff:1349:2808
19.73.40.9 0:0:0:0:0:ffff:1349:2809
19.73.40.10 0:0:0:0:0:ffff:1349:280a
19.73.40.11 0:0:0:0:0:ffff:1349:280b
19.73.40.12 0:0:0:0:0:ffff:1349:280c
19.73.40.13 0:0:0:0:0:ffff:1349:280d
19.73.40.14 0:0:0:0:0:ffff:1349:280e
19.73.40.15 0:0:0:0:0:ffff:1349:280f
19.73.40.16 0:0:0:0:0:ffff:1349:2810
19.73.40.17 0:0:0:0:0:ffff:1349:2811
19.73.40.18 0:0:0:0:0:ffff:1349:2812
19.73.40.19 0:0:0:0:0:ffff:1349:2813
19.73.40.20 0:0:0:0:0:ffff:1349:2814
19.73.40.21 0:0:0:0:0:ffff:1349:2815
19.73.40.22 0:0:0:0:0:ffff:1349:2816
19.73.40.23 0:0:0:0:0:ffff:1349:2817
19.73.40.24 0:0:0:0:0:ffff:1349:2818
19.73.40.25 0:0:0:0:0:ffff:1349:2819
19.73.40.26 0:0:0:0:0:ffff:1349:281a
19.73.40.27 0:0:0:0:0:ffff:1349:281b
19.73.40.28 0:0:0:0:0:ffff:1349:281c
19.73.40.29 0:0:0:0:0:ffff:1349:281d
19.73.40.30 0:0:0:0:0:ffff:1349:281e
19.73.40.31 0:0:0:0:0:ffff:1349:281f
19.73.40.32 0:0:0:0:0:ffff:1349:2820
19.73.40.33 0:0:0:0:0:ffff:1349:2821
19.73.40.34 0:0:0:0:0:ffff:1349:2822
19.73.40.35 0:0:0:0:0:ffff:1349:2823
19.73.40.36 0:0:0:0:0:ffff:1349:2824
19.73.40.37 0:0:0:0:0:ffff:1349:2825
19.73.40.38 0:0:0:0:0:ffff:1349:2826
19.73.40.39 0:0:0:0:0:ffff:1349:2827
19.73.40.40 0:0:0:0:0:ffff:1349:2828
19.73.40.41 0:0:0:0:0:ffff:1349:2829
19.73.40.42 0:0:0:0:0:ffff:1349:282a
19.73.40.43 0:0:0:0:0:ffff:1349:282b
19.73.40.44 0:0:0:0:0:ffff:1349:282c
19.73.40.45 0:0:0:0:0:ffff:1349:282d
19.73.40.46 0:0:0:0:0:ffff:1349:282e
19.73.40.47 0:0:0:0:0:ffff:1349:282f
19.73.40.48 0:0:0:0:0:ffff:1349:2830
19.73.40.49 0:0:0:0:0:ffff:1349:2831
19.73.40.50 0:0:0:0:0:ffff:1349:2832
19.73.40.51 0:0:0:0:0:ffff:1349:2833
19.73.40.52 0:0:0:0:0:ffff:1349:2834
19.73.40.53 0:0:0:0:0:ffff:1349:2835
19.73.40.54 0:0:0:0:0:ffff:1349:2836
19.73.40.55 0:0:0:0:0:ffff:1349:2837
19.73.40.56 0:0:0:0:0:ffff:1349:2838
19.73.40.57 0:0:0:0:0:ffff:1349:2839
19.73.40.58 0:0:0:0:0:ffff:1349:283a
19.73.40.59 0:0:0:0:0:ffff:1349:283b
19.73.40.60 0:0:0:0:0:ffff:1349:283c


19.73.40.61 0:0:0:0:0:ffff:1349:283d
19.73.40.62 0:0:0:0:0:ffff:1349:283e
19.73.40.63 0:0:0:0:0:ffff:1349:283f
19.73.40.64 0:0:0:0:0:ffff:1349:2840
19.73.40.65 0:0:0:0:0:ffff:1349:2841
19.73.40.66 0:0:0:0:0:ffff:1349:2842
19.73.40.67 0:0:0:0:0:ffff:1349:2843
19.73.40.68 0:0:0:0:0:ffff:1349:2844
19.73.40.69 0:0:0:0:0:ffff:1349:2845
19.73.40.70 0:0:0:0:0:ffff:1349:2846
19.73.40.71 0:0:0:0:0:ffff:1349:2847
19.73.40.72 0:0:0:0:0:ffff:1349:2848
19.73.40.73 0:0:0:0:0:ffff:1349:2849
19.73.40.74 0:0:0:0:0:ffff:1349:284a
19.73.40.75 0:0:0:0:0:ffff:1349:284b
19.73.40.76 0:0:0:0:0:ffff:1349:284c
19.73.40.77 0:0:0:0:0:ffff:1349:284d
19.73.40.78 0:0:0:0:0:ffff:1349:284e
19.73.40.79 0:0:0:0:0:ffff:1349:284f
19.73.40.80 0:0:0:0:0:ffff:1349:2850
19.73.40.81 0:0:0:0:0:ffff:1349:2851
19.73.40.82 0:0:0:0:0:ffff:1349:2852
19.73.40.83 0:0:0:0:0:ffff:1349:2853
19.73.40.84 0:0:0:0:0:ffff:1349:2854
19.73.40.85 0:0:0:0:0:ffff:1349:2855
19.73.40.86 0:0:0:0:0:ffff:1349:2856
19.73.40.87 0:0:0:0:0:ffff:1349:2857
19.73.40.88 0:0:0:0:0:ffff:1349:2858
19.73.40.89 0:0:0:0:0:ffff:1349:2859
19.73.40.90 0:0:0:0:0:ffff:1349:285a
19.73.40.91 0:0:0:0:0:ffff:1349:285b
19.73.40.92 0:0:0:0:0:ffff:1349:285c
19.73.40.93 0:0:0:0:0:ffff:1349:285d
19.73.40.94 0:0:0:0:0:ffff:1349:285e
19.73.40.95 0:0:0:0:0:ffff:1349:285f
19.73.40.96 0:0:0:0:0:ffff:1349:2860
19.73.40.97 0:0:0:0:0:ffff:1349:2861
19.73.40.98 0:0:0:0:0:ffff:1349:2862
19.73.40.99 0:0:0:0:0:ffff:1349:2863
19.73.40.100 0:0:0:0:0:ffff:1349:2864
19.73.40.101 0:0:0:0:0:ffff:1349:2865
19.73.40.102 0:0:0:0:0:ffff:1349:2866
19.73.40.103 0:0:0:0:0:ffff:1349:2867
19.73.40.104 0:0:0:0:0:ffff:1349:2868
19.73.40.105 0:0:0:0:0:ffff:1349:2869
19.73.40.106 0:0:0:0:0:ffff:1349:286a
19.73.40.107 0:0:0:0:0:ffff:1349:286b
19.73.40.108 0:0:0:0:0:ffff:1349:286c
19.73.40.109 0:0:0:0:0:ffff:1349:286d
19.73.40.110 0:0:0:0:0:ffff:1349:286e
19.73.40.111 0:0:0:0:0:ffff:1349:286f
19.73.40.112 0:0:0:0:0:ffff:1349:2870
19.73.40.113 0:0:0:0:0:ffff:1349:2871
19.73.40.114 0:0:0:0:0:ffff:1349:2872
19.73.40.115 0:0:0:0:0:ffff:1349:2873
19.73.40.116 0:0:0:0:0:ffff:1349:2874
19.73.40.117 0:0:0:0:0:ffff:1349:2875
19.73.40.118 0:0:0:0:0:ffff:1349:2876
19.73.40.119 0:0:0:0:0:ffff:1349:2877
19.73.40.120 0:0:0:0:0:ffff:1349:2878


19.73.40.121 0:0:0:0:0:ffff:1349:2879
19.73.40.122 0:0:0:0:0:ffff:1349:287a
19.73.40.123 0:0:0:0:0:ffff:1349:287b
19.73.40.124 0:0:0:0:0:ffff:1349:287c
19.73.40.125 0:0:0:0:0:ffff:1349:287d
19.73.40.126 0:0:0:0:0:ffff:1349:287e
19.73.40.127 0:0:0:0:0:ffff:1349:287f
19.73.40.128 0:0:0:0:0:ffff:1349:2880
19.73.40.129 0:0:0:0:0:ffff:1349:2881
19.73.40.130 0:0:0:0:0:ffff:1349:2882
19.73.40.131 0:0:0:0:0:ffff:1349:2883
19.73.40.132 0:0:0:0:0:ffff:1349:2884
19.73.40.133 0:0:0:0:0:ffff:1349:2885
19.73.40.134 0:0:0:0:0:ffff:1349:2886
19.73.40.135 0:0:0:0:0:ffff:1349:2887
19.73.40.136 0:0:0:0:0:ffff:1349:2888
19.73.40.137 0:0:0:0:0:ffff:1349:2889
19.73.40.138 0:0:0:0:0:ffff:1349:288a
19.73.40.139 0:0:0:0:0:ffff:1349:288b
19.73.40.140 0:0:0:0:0:ffff:1349:288c
19.73.40.141 0:0:0:0:0:ffff:1349:288d
19.73.40.142 0:0:0:0:0:ffff:1349:288e
19.73.40.143 0:0:0:0:0:ffff:1349:288f
19.73.40.144 0:0:0:0:0:ffff:1349:2890
19.73.40.145 0:0:0:0:0:ffff:1349:2891
19.73.40.146 0:0:0:0:0:ffff:1349:2892
19.73.40.147 0:0:0:0:0:ffff:1349:2893
19.73.40.148 0:0:0:0:0:ffff:1349:2894
19.73.40.149 0:0:0:0:0:ffff:1349:2895
19.73.40.150 0:0:0:0:0:ffff:1349:2896
19.73.40.151 0:0:0:0:0:ffff:1349:2897
19.73.40.152 0:0:0:0:0:ffff:1349:2898
19.73.40.153 0:0:0:0:0:ffff:1349:2899
19.73.40.154 0:0:0:0:0:ffff:1349:289a
19.73.40.155 0:0:0:0:0:ffff:1349:289b
19.73.40.156 0:0:0:0:0:ffff:1349:289c
19.73.40.157 0:0:0:0:0:ffff:1349:289d
19.73.40.158 0:0:0:0:0:ffff:1349:289e
19.73.40.159 0:0:0:0:0:ffff:1349:289f
19.73.40.160 0:0:0:0:0:ffff:1349:28a0
19.73.40.161 0:0:0:0:0:ffff:1349:28a1
19.73.40.162 0:0:0:0:0:ffff:1349:28a2
19.73.40.163 0:0:0:0:0:ffff:1349:28a3
19.73.40.164 0:0:0:0:0:ffff:1349:28a4
19.73.40.165 0:0:0:0:0:ffff:1349:28a5
19.73.40.166 0:0:0:0:0:ffff:1349:28a6
19.73.40.167 0:0:0:0:0:ffff:1349:28a7
19.73.40.168 0:0:0:0:0:ffff:1349:28a8
19.73.40.169 0:0:0:0:0:ffff:1349:28a9
19.73.40.170 0:0:0:0:0:ffff:1349:28aa
19.73.40.171 0:0:0:0:0:ffff:1349:28ab
19.73.40.172 0:0:0:0:0:ffff:1349:28ac
19.73.40.173 0:0:0:0:0:ffff:1349:28ad
19.73.40.174 0:0:0:0:0:ffff:1349:28ae
19.73.40.175 0:0:0:0:0:ffff:1349:28af
19.73.40.176 0:0:0:0:0:ffff:1349:28b0
19.73.40.177 0:0:0:0:0:ffff:1349:28b1
19.73.40.178 0:0:0:0:0:ffff:1349:28b2
19.73.40.179 0:0:0:0:0:ffff:1349:28b3
19.73.40.180 0:0:0:0:0:ffff:1349:28b4


19.73.40.181 0:0:0:0:0:ffff:1349:28b5
19.73.40.182 0:0:0:0:0:ffff:1349:28b6
19.73.40.183 0:0:0:0:0:ffff:1349:28b7
19.73.40.184 0:0:0:0:0:ffff:1349:28b8
19.73.40.185 0:0:0:0:0:ffff:1349:28b9
19.73.40.186 0:0:0:0:0:ffff:1349:28ba
19.73.40.187 0:0:0:0:0:ffff:1349:28bb
19.73.40.188 0:0:0:0:0:ffff:1349:28bc
19.73.40.189 0:0:0:0:0:ffff:1349:28bd
19.73.40.190 0:0:0:0:0:ffff:1349:28be
19.73.40.191 0:0:0:0:0:ffff:1349:28bf
19.73.40.192 0:0:0:0:0:ffff:1349:28c0
19.73.40.193 0:0:0:0:0:ffff:1349:28c1
19.73.40.194 0:0:0:0:0:ffff:1349:28c2
19.73.40.195 0:0:0:0:0:ffff:1349:28c3
19.73.40.196 0:0:0:0:0:ffff:1349:28c4
19.73.40.197 0:0:0:0:0:ffff:1349:28c5
19.73.40.198 0:0:0:0:0:ffff:1349:28c6
19.73.40.199 0:0:0:0:0:ffff:1349:28c7
19.73.40.200 0:0:0:0:0:ffff:1349:28c8
19.73.40.201 0:0:0:0:0:ffff:1349:28c9
19.73.40.202 0:0:0:0:0:ffff:1349:28ca
19.73.40.203 0:0:0:0:0:ffff:1349:28cb
19.73.40.204 0:0:0:0:0:ffff:1349:28cc
19.73.40.205 0:0:0:0:0:ffff:1349:28cd
19.73.40.206 0:0:0:0:0:ffff:1349:28ce
19.73.40.207 0:0:0:0:0:ffff:1349:28cf
19.73.40.208 0:0:0:0:0:ffff:1349:28d0
19.73.40.209 0:0:0:0:0:ffff:1349:28d1
19.73.40.210 0:0:0:0:0:ffff:1349:28d2
19.73.40.211 0:0:0:0:0:ffff:1349:28d3
19.73.40.212 0:0:0:0:0:ffff:1349:28d4
19.73.40.213 0:0:0:0:0:ffff:1349:28d5
19.73.40.214 0:0:0:0:0:ffff:1349:28d6
19.73.40.215 0:0:0:0:0:ffff:1349:28d7
19.73.40.216 0:0:0:0:0:ffff:1349:28d8
19.73.40.217 0:0:0:0:0:ffff:1349:28d9
19.73.40.218 0:0:0:0:0:ffff:1349:28da
19.73.40.219 0:0:0:0:0:ffff:1349:28db
19.73.40.220 0:0:0:0:0:ffff:1349:28dc
19.73.40.221 0:0:0:0:0:ffff:1349:28dd
19.73.40.222 0:0:0:0:0:ffff:1349:28de
19.73.40.223 0:0:0:0:0:ffff:1349:28df
19.73.40.224 0:0:0:0:0:ffff:1349:28e0
19.73.40.225 0:0:0:0:0:ffff:1349:28e1
19.73.40.226 0:0:0:0:0:ffff:1349:28e2
19.73.40.227 0:0:0:0:0:ffff:1349:28e3
19.73.40.228 0:0:0:0:0:ffff:1349:28e4
19.73.40.229 0:0:0:0:0:ffff:1349:28e5
19.73.40.230 0:0:0:0:0:ffff:1349:28e6
19.73.40.231 0:0:0:0:0:ffff:1349:28e7
19.73.40.232 0:0:0:0:0:ffff:1349:28e8
19.73.40.233 0:0:0:0:0:ffff:1349:28e9
19.73.40.234 0:0:0:0:0:ffff:1349:28ea
19.73.40.235 0:0:0:0:0:ffff:1349:28eb
19.73.40.236 0:0:0:0:0:ffff:1349:28ec
19.73.40.237 0:0:0:0:0:ffff:1349:28ed
19.73.40.238 0:0:0:0:0:ffff:1349:28ee
19.73.40.239 0:0:0:0:0:ffff:1349:28ef
19.73.40.240 0:0:0:0:0:ffff:1349:28f0
19.73.40.241 0:0:0:0:0:ffff:1349:28f1
19.73.40.242 0:0:0:0:0:ffff:1349:28f2
19.73.40.243 0:0:0:0:0:ffff:1349:28f3
19.73.40.244 0:0:0:0:0:ffff:1349:28f4
19.73.40.245 0:0:0:0:0:ffff:1349:28f5
19.73.40.246 0:0:0:0:0:ffff:1349:28f6
19.73.40.247 0:0:0:0:0:ffff:1349:28f7
19.73.40.248 0:0:0:0:0:ffff:1349:28f8
19.73.40.249 0:0:0:0:0:ffff:1349:28f9
19.73.40.250 0:0:0:0:0:ffff:1349:28fa
19.73.40.251 0:0:0:0:0:ffff:1349:28fb
19.73.40.252 0:0:0:0:0:ffff:1349:28fc
19.73.40.253 0:0:0:0:0:ffff:1349:28fd
19.73.40.254 0:0:0:0:0:ffff:1349:28fe
19.73.40.255 0:0:0:0:0:ffff:1349:28ff


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.