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
66.124.40.1 0:0:0:0:0:ffff:427c:2801
66.124.40.2 0:0:0:0:0:ffff:427c:2802
66.124.40.3 0:0:0:0:0:ffff:427c:2803
66.124.40.4 0:0:0:0:0:ffff:427c:2804
66.124.40.5 0:0:0:0:0:ffff:427c:2805
66.124.40.6 0:0:0:0:0:ffff:427c:2806
66.124.40.7 0:0:0:0:0:ffff:427c:2807
66.124.40.8 0:0:0:0:0:ffff:427c:2808
66.124.40.9 0:0:0:0:0:ffff:427c:2809
66.124.40.10 0:0:0:0:0:ffff:427c:280a
66.124.40.11 0:0:0:0:0:ffff:427c:280b
66.124.40.12 0:0:0:0:0:ffff:427c:280c
66.124.40.13 0:0:0:0:0:ffff:427c:280d
66.124.40.14 0:0:0:0:0:ffff:427c:280e
66.124.40.15 0:0:0:0:0:ffff:427c:280f
66.124.40.16 0:0:0:0:0:ffff:427c:2810
66.124.40.17 0:0:0:0:0:ffff:427c:2811
66.124.40.18 0:0:0:0:0:ffff:427c:2812
66.124.40.19 0:0:0:0:0:ffff:427c:2813
66.124.40.20 0:0:0:0:0:ffff:427c:2814
66.124.40.21 0:0:0:0:0:ffff:427c:2815
66.124.40.22 0:0:0:0:0:ffff:427c:2816
66.124.40.23 0:0:0:0:0:ffff:427c:2817
66.124.40.24 0:0:0:0:0:ffff:427c:2818
66.124.40.25 0:0:0:0:0:ffff:427c:2819
66.124.40.26 0:0:0:0:0:ffff:427c:281a
66.124.40.27 0:0:0:0:0:ffff:427c:281b
66.124.40.28 0:0:0:0:0:ffff:427c:281c
66.124.40.29 0:0:0:0:0:ffff:427c:281d
66.124.40.30 0:0:0:0:0:ffff:427c:281e
66.124.40.31 0:0:0:0:0:ffff:427c:281f
66.124.40.32 0:0:0:0:0:ffff:427c:2820
66.124.40.33 0:0:0:0:0:ffff:427c:2821
66.124.40.34 0:0:0:0:0:ffff:427c:2822
66.124.40.35 0:0:0:0:0:ffff:427c:2823
66.124.40.36 0:0:0:0:0:ffff:427c:2824
66.124.40.37 0:0:0:0:0:ffff:427c:2825
66.124.40.38 0:0:0:0:0:ffff:427c:2826
66.124.40.39 0:0:0:0:0:ffff:427c:2827
66.124.40.40 0:0:0:0:0:ffff:427c:2828
66.124.40.41 0:0:0:0:0:ffff:427c:2829
66.124.40.42 0:0:0:0:0:ffff:427c:282a
66.124.40.43 0:0:0:0:0:ffff:427c:282b
66.124.40.44 0:0:0:0:0:ffff:427c:282c
66.124.40.45 0:0:0:0:0:ffff:427c:282d
66.124.40.46 0:0:0:0:0:ffff:427c:282e
66.124.40.47 0:0:0:0:0:ffff:427c:282f
66.124.40.48 0:0:0:0:0:ffff:427c:2830
66.124.40.49 0:0:0:0:0:ffff:427c:2831
66.124.40.50 0:0:0:0:0:ffff:427c:2832
66.124.40.51 0:0:0:0:0:ffff:427c:2833
66.124.40.52 0:0:0:0:0:ffff:427c:2834
66.124.40.53 0:0:0:0:0:ffff:427c:2835
66.124.40.54 0:0:0:0:0:ffff:427c:2836
66.124.40.55 0:0:0:0:0:ffff:427c:2837
66.124.40.56 0:0:0:0:0:ffff:427c:2838
66.124.40.57 0:0:0:0:0:ffff:427c:2839
66.124.40.58 0:0:0:0:0:ffff:427c:283a
66.124.40.59 0:0:0:0:0:ffff:427c:283b
66.124.40.60 0:0:0:0:0:ffff:427c:283c


66.124.40.61 0:0:0:0:0:ffff:427c:283d
66.124.40.62 0:0:0:0:0:ffff:427c:283e
66.124.40.63 0:0:0:0:0:ffff:427c:283f
66.124.40.64 0:0:0:0:0:ffff:427c:2840
66.124.40.65 0:0:0:0:0:ffff:427c:2841
66.124.40.66 0:0:0:0:0:ffff:427c:2842
66.124.40.67 0:0:0:0:0:ffff:427c:2843
66.124.40.68 0:0:0:0:0:ffff:427c:2844
66.124.40.69 0:0:0:0:0:ffff:427c:2845
66.124.40.70 0:0:0:0:0:ffff:427c:2846
66.124.40.71 0:0:0:0:0:ffff:427c:2847
66.124.40.72 0:0:0:0:0:ffff:427c:2848
66.124.40.73 0:0:0:0:0:ffff:427c:2849
66.124.40.74 0:0:0:0:0:ffff:427c:284a
66.124.40.75 0:0:0:0:0:ffff:427c:284b
66.124.40.76 0:0:0:0:0:ffff:427c:284c
66.124.40.77 0:0:0:0:0:ffff:427c:284d
66.124.40.78 0:0:0:0:0:ffff:427c:284e
66.124.40.79 0:0:0:0:0:ffff:427c:284f
66.124.40.80 0:0:0:0:0:ffff:427c:2850
66.124.40.81 0:0:0:0:0:ffff:427c:2851
66.124.40.82 0:0:0:0:0:ffff:427c:2852
66.124.40.83 0:0:0:0:0:ffff:427c:2853
66.124.40.84 0:0:0:0:0:ffff:427c:2854
66.124.40.85 0:0:0:0:0:ffff:427c:2855
66.124.40.86 0:0:0:0:0:ffff:427c:2856
66.124.40.87 0:0:0:0:0:ffff:427c:2857
66.124.40.88 0:0:0:0:0:ffff:427c:2858
66.124.40.89 0:0:0:0:0:ffff:427c:2859
66.124.40.90 0:0:0:0:0:ffff:427c:285a
66.124.40.91 0:0:0:0:0:ffff:427c:285b
66.124.40.92 0:0:0:0:0:ffff:427c:285c
66.124.40.93 0:0:0:0:0:ffff:427c:285d
66.124.40.94 0:0:0:0:0:ffff:427c:285e
66.124.40.95 0:0:0:0:0:ffff:427c:285f
66.124.40.96 0:0:0:0:0:ffff:427c:2860
66.124.40.97 0:0:0:0:0:ffff:427c:2861
66.124.40.98 0:0:0:0:0:ffff:427c:2862
66.124.40.99 0:0:0:0:0:ffff:427c:2863
66.124.40.100 0:0:0:0:0:ffff:427c:2864
66.124.40.101 0:0:0:0:0:ffff:427c:2865
66.124.40.102 0:0:0:0:0:ffff:427c:2866
66.124.40.103 0:0:0:0:0:ffff:427c:2867
66.124.40.104 0:0:0:0:0:ffff:427c:2868
66.124.40.105 0:0:0:0:0:ffff:427c:2869
66.124.40.106 0:0:0:0:0:ffff:427c:286a
66.124.40.107 0:0:0:0:0:ffff:427c:286b
66.124.40.108 0:0:0:0:0:ffff:427c:286c
66.124.40.109 0:0:0:0:0:ffff:427c:286d
66.124.40.110 0:0:0:0:0:ffff:427c:286e
66.124.40.111 0:0:0:0:0:ffff:427c:286f
66.124.40.112 0:0:0:0:0:ffff:427c:2870
66.124.40.113 0:0:0:0:0:ffff:427c:2871
66.124.40.114 0:0:0:0:0:ffff:427c:2872
66.124.40.115 0:0:0:0:0:ffff:427c:2873
66.124.40.116 0:0:0:0:0:ffff:427c:2874
66.124.40.117 0:0:0:0:0:ffff:427c:2875
66.124.40.118 0:0:0:0:0:ffff:427c:2876
66.124.40.119 0:0:0:0:0:ffff:427c:2877
66.124.40.120 0:0:0:0:0:ffff:427c:2878


66.124.40.121 0:0:0:0:0:ffff:427c:2879
66.124.40.122 0:0:0:0:0:ffff:427c:287a
66.124.40.123 0:0:0:0:0:ffff:427c:287b
66.124.40.124 0:0:0:0:0:ffff:427c:287c
66.124.40.125 0:0:0:0:0:ffff:427c:287d
66.124.40.126 0:0:0:0:0:ffff:427c:287e
66.124.40.127 0:0:0:0:0:ffff:427c:287f
66.124.40.128 0:0:0:0:0:ffff:427c:2880
66.124.40.129 0:0:0:0:0:ffff:427c:2881
66.124.40.130 0:0:0:0:0:ffff:427c:2882
66.124.40.131 0:0:0:0:0:ffff:427c:2883
66.124.40.132 0:0:0:0:0:ffff:427c:2884
66.124.40.133 0:0:0:0:0:ffff:427c:2885
66.124.40.134 0:0:0:0:0:ffff:427c:2886
66.124.40.135 0:0:0:0:0:ffff:427c:2887
66.124.40.136 0:0:0:0:0:ffff:427c:2888
66.124.40.137 0:0:0:0:0:ffff:427c:2889
66.124.40.138 0:0:0:0:0:ffff:427c:288a
66.124.40.139 0:0:0:0:0:ffff:427c:288b
66.124.40.140 0:0:0:0:0:ffff:427c:288c
66.124.40.141 0:0:0:0:0:ffff:427c:288d
66.124.40.142 0:0:0:0:0:ffff:427c:288e
66.124.40.143 0:0:0:0:0:ffff:427c:288f
66.124.40.144 0:0:0:0:0:ffff:427c:2890
66.124.40.145 0:0:0:0:0:ffff:427c:2891
66.124.40.146 0:0:0:0:0:ffff:427c:2892
66.124.40.147 0:0:0:0:0:ffff:427c:2893
66.124.40.148 0:0:0:0:0:ffff:427c:2894
66.124.40.149 0:0:0:0:0:ffff:427c:2895
66.124.40.150 0:0:0:0:0:ffff:427c:2896
66.124.40.151 0:0:0:0:0:ffff:427c:2897
66.124.40.152 0:0:0:0:0:ffff:427c:2898
66.124.40.153 0:0:0:0:0:ffff:427c:2899
66.124.40.154 0:0:0:0:0:ffff:427c:289a
66.124.40.155 0:0:0:0:0:ffff:427c:289b
66.124.40.156 0:0:0:0:0:ffff:427c:289c
66.124.40.157 0:0:0:0:0:ffff:427c:289d
66.124.40.158 0:0:0:0:0:ffff:427c:289e
66.124.40.159 0:0:0:0:0:ffff:427c:289f
66.124.40.160 0:0:0:0:0:ffff:427c:28a0
66.124.40.161 0:0:0:0:0:ffff:427c:28a1
66.124.40.162 0:0:0:0:0:ffff:427c:28a2
66.124.40.163 0:0:0:0:0:ffff:427c:28a3
66.124.40.164 0:0:0:0:0:ffff:427c:28a4
66.124.40.165 0:0:0:0:0:ffff:427c:28a5
66.124.40.166 0:0:0:0:0:ffff:427c:28a6
66.124.40.167 0:0:0:0:0:ffff:427c:28a7
66.124.40.168 0:0:0:0:0:ffff:427c:28a8
66.124.40.169 0:0:0:0:0:ffff:427c:28a9
66.124.40.170 0:0:0:0:0:ffff:427c:28aa
66.124.40.171 0:0:0:0:0:ffff:427c:28ab
66.124.40.172 0:0:0:0:0:ffff:427c:28ac
66.124.40.173 0:0:0:0:0:ffff:427c:28ad
66.124.40.174 0:0:0:0:0:ffff:427c:28ae
66.124.40.175 0:0:0:0:0:ffff:427c:28af
66.124.40.176 0:0:0:0:0:ffff:427c:28b0
66.124.40.177 0:0:0:0:0:ffff:427c:28b1
66.124.40.178 0:0:0:0:0:ffff:427c:28b2
66.124.40.179 0:0:0:0:0:ffff:427c:28b3
66.124.40.180 0:0:0:0:0:ffff:427c:28b4


66.124.40.181 0:0:0:0:0:ffff:427c:28b5
66.124.40.182 0:0:0:0:0:ffff:427c:28b6
66.124.40.183 0:0:0:0:0:ffff:427c:28b7
66.124.40.184 0:0:0:0:0:ffff:427c:28b8
66.124.40.185 0:0:0:0:0:ffff:427c:28b9
66.124.40.186 0:0:0:0:0:ffff:427c:28ba
66.124.40.187 0:0:0:0:0:ffff:427c:28bb
66.124.40.188 0:0:0:0:0:ffff:427c:28bc
66.124.40.189 0:0:0:0:0:ffff:427c:28bd
66.124.40.190 0:0:0:0:0:ffff:427c:28be
66.124.40.191 0:0:0:0:0:ffff:427c:28bf
66.124.40.192 0:0:0:0:0:ffff:427c:28c0
66.124.40.193 0:0:0:0:0:ffff:427c:28c1
66.124.40.194 0:0:0:0:0:ffff:427c:28c2
66.124.40.195 0:0:0:0:0:ffff:427c:28c3
66.124.40.196 0:0:0:0:0:ffff:427c:28c4
66.124.40.197 0:0:0:0:0:ffff:427c:28c5
66.124.40.198 0:0:0:0:0:ffff:427c:28c6
66.124.40.199 0:0:0:0:0:ffff:427c:28c7
66.124.40.200 0:0:0:0:0:ffff:427c:28c8
66.124.40.201 0:0:0:0:0:ffff:427c:28c9
66.124.40.202 0:0:0:0:0:ffff:427c:28ca
66.124.40.203 0:0:0:0:0:ffff:427c:28cb
66.124.40.204 0:0:0:0:0:ffff:427c:28cc
66.124.40.205 0:0:0:0:0:ffff:427c:28cd
66.124.40.206 0:0:0:0:0:ffff:427c:28ce
66.124.40.207 0:0:0:0:0:ffff:427c:28cf
66.124.40.208 0:0:0:0:0:ffff:427c:28d0
66.124.40.209 0:0:0:0:0:ffff:427c:28d1
66.124.40.210 0:0:0:0:0:ffff:427c:28d2
66.124.40.211 0:0:0:0:0:ffff:427c:28d3
66.124.40.212 0:0:0:0:0:ffff:427c:28d4
66.124.40.213 0:0:0:0:0:ffff:427c:28d5
66.124.40.214 0:0:0:0:0:ffff:427c:28d6
66.124.40.215 0:0:0:0:0:ffff:427c:28d7
66.124.40.216 0:0:0:0:0:ffff:427c:28d8
66.124.40.217 0:0:0:0:0:ffff:427c:28d9
66.124.40.218 0:0:0:0:0:ffff:427c:28da
66.124.40.219 0:0:0:0:0:ffff:427c:28db
66.124.40.220 0:0:0:0:0:ffff:427c:28dc
66.124.40.221 0:0:0:0:0:ffff:427c:28dd
66.124.40.222 0:0:0:0:0:ffff:427c:28de
66.124.40.223 0:0:0:0:0:ffff:427c:28df
66.124.40.224 0:0:0:0:0:ffff:427c:28e0
66.124.40.225 0:0:0:0:0:ffff:427c:28e1
66.124.40.226 0:0:0:0:0:ffff:427c:28e2
66.124.40.227 0:0:0:0:0:ffff:427c:28e3
66.124.40.228 0:0:0:0:0:ffff:427c:28e4
66.124.40.229 0:0:0:0:0:ffff:427c:28e5
66.124.40.230 0:0:0:0:0:ffff:427c:28e6
66.124.40.231 0:0:0:0:0:ffff:427c:28e7
66.124.40.232 0:0:0:0:0:ffff:427c:28e8
66.124.40.233 0:0:0:0:0:ffff:427c:28e9
66.124.40.234 0:0:0:0:0:ffff:427c:28ea
66.124.40.235 0:0:0:0:0:ffff:427c:28eb
66.124.40.236 0:0:0:0:0:ffff:427c:28ec
66.124.40.237 0:0:0:0:0:ffff:427c:28ed
66.124.40.238 0:0:0:0:0:ffff:427c:28ee
66.124.40.239 0:0:0:0:0:ffff:427c:28ef
66.124.40.240 0:0:0:0:0:ffff:427c:28f0
66.124.40.241 0:0:0:0:0:ffff:427c:28f1
66.124.40.242 0:0:0:0:0:ffff:427c:28f2
66.124.40.243 0:0:0:0:0:ffff:427c:28f3
66.124.40.244 0:0:0:0:0:ffff:427c:28f4
66.124.40.245 0:0:0:0:0:ffff:427c:28f5
66.124.40.246 0:0:0:0:0:ffff:427c:28f6
66.124.40.247 0:0:0:0:0:ffff:427c:28f7
66.124.40.248 0:0:0:0:0:ffff:427c:28f8
66.124.40.249 0:0:0:0:0:ffff:427c:28f9
66.124.40.250 0:0:0:0:0:ffff:427c:28fa
66.124.40.251 0:0:0:0:0:ffff:427c:28fb
66.124.40.252 0:0:0:0:0:ffff:427c:28fc
66.124.40.253 0:0:0:0:0:ffff:427c:28fd
66.124.40.254 0:0:0:0:0:ffff:427c:28fe
66.124.40.255 0:0:0:0:0:ffff:427c: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.