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
30.240.40.1 0:0:0:0:0:ffff:1ef0:2801
30.240.40.2 0:0:0:0:0:ffff:1ef0:2802
30.240.40.3 0:0:0:0:0:ffff:1ef0:2803
30.240.40.4 0:0:0:0:0:ffff:1ef0:2804
30.240.40.5 0:0:0:0:0:ffff:1ef0:2805
30.240.40.6 0:0:0:0:0:ffff:1ef0:2806
30.240.40.7 0:0:0:0:0:ffff:1ef0:2807
30.240.40.8 0:0:0:0:0:ffff:1ef0:2808
30.240.40.9 0:0:0:0:0:ffff:1ef0:2809
30.240.40.10 0:0:0:0:0:ffff:1ef0:280a
30.240.40.11 0:0:0:0:0:ffff:1ef0:280b
30.240.40.12 0:0:0:0:0:ffff:1ef0:280c
30.240.40.13 0:0:0:0:0:ffff:1ef0:280d
30.240.40.14 0:0:0:0:0:ffff:1ef0:280e
30.240.40.15 0:0:0:0:0:ffff:1ef0:280f
30.240.40.16 0:0:0:0:0:ffff:1ef0:2810
30.240.40.17 0:0:0:0:0:ffff:1ef0:2811
30.240.40.18 0:0:0:0:0:ffff:1ef0:2812
30.240.40.19 0:0:0:0:0:ffff:1ef0:2813
30.240.40.20 0:0:0:0:0:ffff:1ef0:2814
30.240.40.21 0:0:0:0:0:ffff:1ef0:2815
30.240.40.22 0:0:0:0:0:ffff:1ef0:2816
30.240.40.23 0:0:0:0:0:ffff:1ef0:2817
30.240.40.24 0:0:0:0:0:ffff:1ef0:2818
30.240.40.25 0:0:0:0:0:ffff:1ef0:2819
30.240.40.26 0:0:0:0:0:ffff:1ef0:281a
30.240.40.27 0:0:0:0:0:ffff:1ef0:281b
30.240.40.28 0:0:0:0:0:ffff:1ef0:281c
30.240.40.29 0:0:0:0:0:ffff:1ef0:281d
30.240.40.30 0:0:0:0:0:ffff:1ef0:281e
30.240.40.31 0:0:0:0:0:ffff:1ef0:281f
30.240.40.32 0:0:0:0:0:ffff:1ef0:2820
30.240.40.33 0:0:0:0:0:ffff:1ef0:2821
30.240.40.34 0:0:0:0:0:ffff:1ef0:2822
30.240.40.35 0:0:0:0:0:ffff:1ef0:2823
30.240.40.36 0:0:0:0:0:ffff:1ef0:2824
30.240.40.37 0:0:0:0:0:ffff:1ef0:2825
30.240.40.38 0:0:0:0:0:ffff:1ef0:2826
30.240.40.39 0:0:0:0:0:ffff:1ef0:2827
30.240.40.40 0:0:0:0:0:ffff:1ef0:2828
30.240.40.41 0:0:0:0:0:ffff:1ef0:2829
30.240.40.42 0:0:0:0:0:ffff:1ef0:282a
30.240.40.43 0:0:0:0:0:ffff:1ef0:282b
30.240.40.44 0:0:0:0:0:ffff:1ef0:282c
30.240.40.45 0:0:0:0:0:ffff:1ef0:282d
30.240.40.46 0:0:0:0:0:ffff:1ef0:282e
30.240.40.47 0:0:0:0:0:ffff:1ef0:282f
30.240.40.48 0:0:0:0:0:ffff:1ef0:2830
30.240.40.49 0:0:0:0:0:ffff:1ef0:2831
30.240.40.50 0:0:0:0:0:ffff:1ef0:2832
30.240.40.51 0:0:0:0:0:ffff:1ef0:2833
30.240.40.52 0:0:0:0:0:ffff:1ef0:2834
30.240.40.53 0:0:0:0:0:ffff:1ef0:2835
30.240.40.54 0:0:0:0:0:ffff:1ef0:2836
30.240.40.55 0:0:0:0:0:ffff:1ef0:2837
30.240.40.56 0:0:0:0:0:ffff:1ef0:2838
30.240.40.57 0:0:0:0:0:ffff:1ef0:2839
30.240.40.58 0:0:0:0:0:ffff:1ef0:283a
30.240.40.59 0:0:0:0:0:ffff:1ef0:283b
30.240.40.60 0:0:0:0:0:ffff:1ef0:283c


30.240.40.61 0:0:0:0:0:ffff:1ef0:283d
30.240.40.62 0:0:0:0:0:ffff:1ef0:283e
30.240.40.63 0:0:0:0:0:ffff:1ef0:283f
30.240.40.64 0:0:0:0:0:ffff:1ef0:2840
30.240.40.65 0:0:0:0:0:ffff:1ef0:2841
30.240.40.66 0:0:0:0:0:ffff:1ef0:2842
30.240.40.67 0:0:0:0:0:ffff:1ef0:2843
30.240.40.68 0:0:0:0:0:ffff:1ef0:2844
30.240.40.69 0:0:0:0:0:ffff:1ef0:2845
30.240.40.70 0:0:0:0:0:ffff:1ef0:2846
30.240.40.71 0:0:0:0:0:ffff:1ef0:2847
30.240.40.72 0:0:0:0:0:ffff:1ef0:2848
30.240.40.73 0:0:0:0:0:ffff:1ef0:2849
30.240.40.74 0:0:0:0:0:ffff:1ef0:284a
30.240.40.75 0:0:0:0:0:ffff:1ef0:284b
30.240.40.76 0:0:0:0:0:ffff:1ef0:284c
30.240.40.77 0:0:0:0:0:ffff:1ef0:284d
30.240.40.78 0:0:0:0:0:ffff:1ef0:284e
30.240.40.79 0:0:0:0:0:ffff:1ef0:284f
30.240.40.80 0:0:0:0:0:ffff:1ef0:2850
30.240.40.81 0:0:0:0:0:ffff:1ef0:2851
30.240.40.82 0:0:0:0:0:ffff:1ef0:2852
30.240.40.83 0:0:0:0:0:ffff:1ef0:2853
30.240.40.84 0:0:0:0:0:ffff:1ef0:2854
30.240.40.85 0:0:0:0:0:ffff:1ef0:2855
30.240.40.86 0:0:0:0:0:ffff:1ef0:2856
30.240.40.87 0:0:0:0:0:ffff:1ef0:2857
30.240.40.88 0:0:0:0:0:ffff:1ef0:2858
30.240.40.89 0:0:0:0:0:ffff:1ef0:2859
30.240.40.90 0:0:0:0:0:ffff:1ef0:285a
30.240.40.91 0:0:0:0:0:ffff:1ef0:285b
30.240.40.92 0:0:0:0:0:ffff:1ef0:285c
30.240.40.93 0:0:0:0:0:ffff:1ef0:285d
30.240.40.94 0:0:0:0:0:ffff:1ef0:285e
30.240.40.95 0:0:0:0:0:ffff:1ef0:285f
30.240.40.96 0:0:0:0:0:ffff:1ef0:2860
30.240.40.97 0:0:0:0:0:ffff:1ef0:2861
30.240.40.98 0:0:0:0:0:ffff:1ef0:2862
30.240.40.99 0:0:0:0:0:ffff:1ef0:2863
30.240.40.100 0:0:0:0:0:ffff:1ef0:2864
30.240.40.101 0:0:0:0:0:ffff:1ef0:2865
30.240.40.102 0:0:0:0:0:ffff:1ef0:2866
30.240.40.103 0:0:0:0:0:ffff:1ef0:2867
30.240.40.104 0:0:0:0:0:ffff:1ef0:2868
30.240.40.105 0:0:0:0:0:ffff:1ef0:2869
30.240.40.106 0:0:0:0:0:ffff:1ef0:286a
30.240.40.107 0:0:0:0:0:ffff:1ef0:286b
30.240.40.108 0:0:0:0:0:ffff:1ef0:286c
30.240.40.109 0:0:0:0:0:ffff:1ef0:286d
30.240.40.110 0:0:0:0:0:ffff:1ef0:286e
30.240.40.111 0:0:0:0:0:ffff:1ef0:286f
30.240.40.112 0:0:0:0:0:ffff:1ef0:2870
30.240.40.113 0:0:0:0:0:ffff:1ef0:2871
30.240.40.114 0:0:0:0:0:ffff:1ef0:2872
30.240.40.115 0:0:0:0:0:ffff:1ef0:2873
30.240.40.116 0:0:0:0:0:ffff:1ef0:2874
30.240.40.117 0:0:0:0:0:ffff:1ef0:2875
30.240.40.118 0:0:0:0:0:ffff:1ef0:2876
30.240.40.119 0:0:0:0:0:ffff:1ef0:2877
30.240.40.120 0:0:0:0:0:ffff:1ef0:2878


30.240.40.121 0:0:0:0:0:ffff:1ef0:2879
30.240.40.122 0:0:0:0:0:ffff:1ef0:287a
30.240.40.123 0:0:0:0:0:ffff:1ef0:287b
30.240.40.124 0:0:0:0:0:ffff:1ef0:287c
30.240.40.125 0:0:0:0:0:ffff:1ef0:287d
30.240.40.126 0:0:0:0:0:ffff:1ef0:287e
30.240.40.127 0:0:0:0:0:ffff:1ef0:287f
30.240.40.128 0:0:0:0:0:ffff:1ef0:2880
30.240.40.129 0:0:0:0:0:ffff:1ef0:2881
30.240.40.130 0:0:0:0:0:ffff:1ef0:2882
30.240.40.131 0:0:0:0:0:ffff:1ef0:2883
30.240.40.132 0:0:0:0:0:ffff:1ef0:2884
30.240.40.133 0:0:0:0:0:ffff:1ef0:2885
30.240.40.134 0:0:0:0:0:ffff:1ef0:2886
30.240.40.135 0:0:0:0:0:ffff:1ef0:2887
30.240.40.136 0:0:0:0:0:ffff:1ef0:2888
30.240.40.137 0:0:0:0:0:ffff:1ef0:2889
30.240.40.138 0:0:0:0:0:ffff:1ef0:288a
30.240.40.139 0:0:0:0:0:ffff:1ef0:288b
30.240.40.140 0:0:0:0:0:ffff:1ef0:288c
30.240.40.141 0:0:0:0:0:ffff:1ef0:288d
30.240.40.142 0:0:0:0:0:ffff:1ef0:288e
30.240.40.143 0:0:0:0:0:ffff:1ef0:288f
30.240.40.144 0:0:0:0:0:ffff:1ef0:2890
30.240.40.145 0:0:0:0:0:ffff:1ef0:2891
30.240.40.146 0:0:0:0:0:ffff:1ef0:2892
30.240.40.147 0:0:0:0:0:ffff:1ef0:2893
30.240.40.148 0:0:0:0:0:ffff:1ef0:2894
30.240.40.149 0:0:0:0:0:ffff:1ef0:2895
30.240.40.150 0:0:0:0:0:ffff:1ef0:2896
30.240.40.151 0:0:0:0:0:ffff:1ef0:2897
30.240.40.152 0:0:0:0:0:ffff:1ef0:2898
30.240.40.153 0:0:0:0:0:ffff:1ef0:2899
30.240.40.154 0:0:0:0:0:ffff:1ef0:289a
30.240.40.155 0:0:0:0:0:ffff:1ef0:289b
30.240.40.156 0:0:0:0:0:ffff:1ef0:289c
30.240.40.157 0:0:0:0:0:ffff:1ef0:289d
30.240.40.158 0:0:0:0:0:ffff:1ef0:289e
30.240.40.159 0:0:0:0:0:ffff:1ef0:289f
30.240.40.160 0:0:0:0:0:ffff:1ef0:28a0
30.240.40.161 0:0:0:0:0:ffff:1ef0:28a1
30.240.40.162 0:0:0:0:0:ffff:1ef0:28a2
30.240.40.163 0:0:0:0:0:ffff:1ef0:28a3
30.240.40.164 0:0:0:0:0:ffff:1ef0:28a4
30.240.40.165 0:0:0:0:0:ffff:1ef0:28a5
30.240.40.166 0:0:0:0:0:ffff:1ef0:28a6
30.240.40.167 0:0:0:0:0:ffff:1ef0:28a7
30.240.40.168 0:0:0:0:0:ffff:1ef0:28a8
30.240.40.169 0:0:0:0:0:ffff:1ef0:28a9
30.240.40.170 0:0:0:0:0:ffff:1ef0:28aa
30.240.40.171 0:0:0:0:0:ffff:1ef0:28ab
30.240.40.172 0:0:0:0:0:ffff:1ef0:28ac
30.240.40.173 0:0:0:0:0:ffff:1ef0:28ad
30.240.40.174 0:0:0:0:0:ffff:1ef0:28ae
30.240.40.175 0:0:0:0:0:ffff:1ef0:28af
30.240.40.176 0:0:0:0:0:ffff:1ef0:28b0
30.240.40.177 0:0:0:0:0:ffff:1ef0:28b1
30.240.40.178 0:0:0:0:0:ffff:1ef0:28b2
30.240.40.179 0:0:0:0:0:ffff:1ef0:28b3
30.240.40.180 0:0:0:0:0:ffff:1ef0:28b4


30.240.40.181 0:0:0:0:0:ffff:1ef0:28b5
30.240.40.182 0:0:0:0:0:ffff:1ef0:28b6
30.240.40.183 0:0:0:0:0:ffff:1ef0:28b7
30.240.40.184 0:0:0:0:0:ffff:1ef0:28b8
30.240.40.185 0:0:0:0:0:ffff:1ef0:28b9
30.240.40.186 0:0:0:0:0:ffff:1ef0:28ba
30.240.40.187 0:0:0:0:0:ffff:1ef0:28bb
30.240.40.188 0:0:0:0:0:ffff:1ef0:28bc
30.240.40.189 0:0:0:0:0:ffff:1ef0:28bd
30.240.40.190 0:0:0:0:0:ffff:1ef0:28be
30.240.40.191 0:0:0:0:0:ffff:1ef0:28bf
30.240.40.192 0:0:0:0:0:ffff:1ef0:28c0
30.240.40.193 0:0:0:0:0:ffff:1ef0:28c1
30.240.40.194 0:0:0:0:0:ffff:1ef0:28c2
30.240.40.195 0:0:0:0:0:ffff:1ef0:28c3
30.240.40.196 0:0:0:0:0:ffff:1ef0:28c4
30.240.40.197 0:0:0:0:0:ffff:1ef0:28c5
30.240.40.198 0:0:0:0:0:ffff:1ef0:28c6
30.240.40.199 0:0:0:0:0:ffff:1ef0:28c7
30.240.40.200 0:0:0:0:0:ffff:1ef0:28c8
30.240.40.201 0:0:0:0:0:ffff:1ef0:28c9
30.240.40.202 0:0:0:0:0:ffff:1ef0:28ca
30.240.40.203 0:0:0:0:0:ffff:1ef0:28cb
30.240.40.204 0:0:0:0:0:ffff:1ef0:28cc
30.240.40.205 0:0:0:0:0:ffff:1ef0:28cd
30.240.40.206 0:0:0:0:0:ffff:1ef0:28ce
30.240.40.207 0:0:0:0:0:ffff:1ef0:28cf
30.240.40.208 0:0:0:0:0:ffff:1ef0:28d0
30.240.40.209 0:0:0:0:0:ffff:1ef0:28d1
30.240.40.210 0:0:0:0:0:ffff:1ef0:28d2
30.240.40.211 0:0:0:0:0:ffff:1ef0:28d3
30.240.40.212 0:0:0:0:0:ffff:1ef0:28d4
30.240.40.213 0:0:0:0:0:ffff:1ef0:28d5
30.240.40.214 0:0:0:0:0:ffff:1ef0:28d6
30.240.40.215 0:0:0:0:0:ffff:1ef0:28d7
30.240.40.216 0:0:0:0:0:ffff:1ef0:28d8
30.240.40.217 0:0:0:0:0:ffff:1ef0:28d9
30.240.40.218 0:0:0:0:0:ffff:1ef0:28da
30.240.40.219 0:0:0:0:0:ffff:1ef0:28db
30.240.40.220 0:0:0:0:0:ffff:1ef0:28dc
30.240.40.221 0:0:0:0:0:ffff:1ef0:28dd
30.240.40.222 0:0:0:0:0:ffff:1ef0:28de
30.240.40.223 0:0:0:0:0:ffff:1ef0:28df
30.240.40.224 0:0:0:0:0:ffff:1ef0:28e0
30.240.40.225 0:0:0:0:0:ffff:1ef0:28e1
30.240.40.226 0:0:0:0:0:ffff:1ef0:28e2
30.240.40.227 0:0:0:0:0:ffff:1ef0:28e3
30.240.40.228 0:0:0:0:0:ffff:1ef0:28e4
30.240.40.229 0:0:0:0:0:ffff:1ef0:28e5
30.240.40.230 0:0:0:0:0:ffff:1ef0:28e6
30.240.40.231 0:0:0:0:0:ffff:1ef0:28e7
30.240.40.232 0:0:0:0:0:ffff:1ef0:28e8
30.240.40.233 0:0:0:0:0:ffff:1ef0:28e9
30.240.40.234 0:0:0:0:0:ffff:1ef0:28ea
30.240.40.235 0:0:0:0:0:ffff:1ef0:28eb
30.240.40.236 0:0:0:0:0:ffff:1ef0:28ec
30.240.40.237 0:0:0:0:0:ffff:1ef0:28ed
30.240.40.238 0:0:0:0:0:ffff:1ef0:28ee
30.240.40.239 0:0:0:0:0:ffff:1ef0:28ef
30.240.40.240 0:0:0:0:0:ffff:1ef0:28f0
30.240.40.241 0:0:0:0:0:ffff:1ef0:28f1
30.240.40.242 0:0:0:0:0:ffff:1ef0:28f2
30.240.40.243 0:0:0:0:0:ffff:1ef0:28f3
30.240.40.244 0:0:0:0:0:ffff:1ef0:28f4
30.240.40.245 0:0:0:0:0:ffff:1ef0:28f5
30.240.40.246 0:0:0:0:0:ffff:1ef0:28f6
30.240.40.247 0:0:0:0:0:ffff:1ef0:28f7
30.240.40.248 0:0:0:0:0:ffff:1ef0:28f8
30.240.40.249 0:0:0:0:0:ffff:1ef0:28f9
30.240.40.250 0:0:0:0:0:ffff:1ef0:28fa
30.240.40.251 0:0:0:0:0:ffff:1ef0:28fb
30.240.40.252 0:0:0:0:0:ffff:1ef0:28fc
30.240.40.253 0:0:0:0:0:ffff:1ef0:28fd
30.240.40.254 0:0:0:0:0:ffff:1ef0:28fe
30.240.40.255 0:0:0:0:0:ffff:1ef0:28ff


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.