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
151.131.38.1 0:0:0:0:0:ffff:9783:2601
151.131.38.2 0:0:0:0:0:ffff:9783:2602
151.131.38.3 0:0:0:0:0:ffff:9783:2603
151.131.38.4 0:0:0:0:0:ffff:9783:2604
151.131.38.5 0:0:0:0:0:ffff:9783:2605
151.131.38.6 0:0:0:0:0:ffff:9783:2606
151.131.38.7 0:0:0:0:0:ffff:9783:2607
151.131.38.8 0:0:0:0:0:ffff:9783:2608
151.131.38.9 0:0:0:0:0:ffff:9783:2609
151.131.38.10 0:0:0:0:0:ffff:9783:260a
151.131.38.11 0:0:0:0:0:ffff:9783:260b
151.131.38.12 0:0:0:0:0:ffff:9783:260c
151.131.38.13 0:0:0:0:0:ffff:9783:260d
151.131.38.14 0:0:0:0:0:ffff:9783:260e
151.131.38.15 0:0:0:0:0:ffff:9783:260f
151.131.38.16 0:0:0:0:0:ffff:9783:2610
151.131.38.17 0:0:0:0:0:ffff:9783:2611
151.131.38.18 0:0:0:0:0:ffff:9783:2612
151.131.38.19 0:0:0:0:0:ffff:9783:2613
151.131.38.20 0:0:0:0:0:ffff:9783:2614
151.131.38.21 0:0:0:0:0:ffff:9783:2615
151.131.38.22 0:0:0:0:0:ffff:9783:2616
151.131.38.23 0:0:0:0:0:ffff:9783:2617
151.131.38.24 0:0:0:0:0:ffff:9783:2618
151.131.38.25 0:0:0:0:0:ffff:9783:2619
151.131.38.26 0:0:0:0:0:ffff:9783:261a
151.131.38.27 0:0:0:0:0:ffff:9783:261b
151.131.38.28 0:0:0:0:0:ffff:9783:261c
151.131.38.29 0:0:0:0:0:ffff:9783:261d
151.131.38.30 0:0:0:0:0:ffff:9783:261e
151.131.38.31 0:0:0:0:0:ffff:9783:261f
151.131.38.32 0:0:0:0:0:ffff:9783:2620
151.131.38.33 0:0:0:0:0:ffff:9783:2621
151.131.38.34 0:0:0:0:0:ffff:9783:2622
151.131.38.35 0:0:0:0:0:ffff:9783:2623
151.131.38.36 0:0:0:0:0:ffff:9783:2624
151.131.38.37 0:0:0:0:0:ffff:9783:2625
151.131.38.38 0:0:0:0:0:ffff:9783:2626
151.131.38.39 0:0:0:0:0:ffff:9783:2627
151.131.38.40 0:0:0:0:0:ffff:9783:2628
151.131.38.41 0:0:0:0:0:ffff:9783:2629
151.131.38.42 0:0:0:0:0:ffff:9783:262a
151.131.38.43 0:0:0:0:0:ffff:9783:262b
151.131.38.44 0:0:0:0:0:ffff:9783:262c
151.131.38.45 0:0:0:0:0:ffff:9783:262d
151.131.38.46 0:0:0:0:0:ffff:9783:262e
151.131.38.47 0:0:0:0:0:ffff:9783:262f
151.131.38.48 0:0:0:0:0:ffff:9783:2630
151.131.38.49 0:0:0:0:0:ffff:9783:2631
151.131.38.50 0:0:0:0:0:ffff:9783:2632
151.131.38.51 0:0:0:0:0:ffff:9783:2633
151.131.38.52 0:0:0:0:0:ffff:9783:2634
151.131.38.53 0:0:0:0:0:ffff:9783:2635
151.131.38.54 0:0:0:0:0:ffff:9783:2636
151.131.38.55 0:0:0:0:0:ffff:9783:2637
151.131.38.56 0:0:0:0:0:ffff:9783:2638
151.131.38.57 0:0:0:0:0:ffff:9783:2639
151.131.38.58 0:0:0:0:0:ffff:9783:263a
151.131.38.59 0:0:0:0:0:ffff:9783:263b
151.131.38.60 0:0:0:0:0:ffff:9783:263c


151.131.38.61 0:0:0:0:0:ffff:9783:263d
151.131.38.62 0:0:0:0:0:ffff:9783:263e
151.131.38.63 0:0:0:0:0:ffff:9783:263f
151.131.38.64 0:0:0:0:0:ffff:9783:2640
151.131.38.65 0:0:0:0:0:ffff:9783:2641
151.131.38.66 0:0:0:0:0:ffff:9783:2642
151.131.38.67 0:0:0:0:0:ffff:9783:2643
151.131.38.68 0:0:0:0:0:ffff:9783:2644
151.131.38.69 0:0:0:0:0:ffff:9783:2645
151.131.38.70 0:0:0:0:0:ffff:9783:2646
151.131.38.71 0:0:0:0:0:ffff:9783:2647
151.131.38.72 0:0:0:0:0:ffff:9783:2648
151.131.38.73 0:0:0:0:0:ffff:9783:2649
151.131.38.74 0:0:0:0:0:ffff:9783:264a
151.131.38.75 0:0:0:0:0:ffff:9783:264b
151.131.38.76 0:0:0:0:0:ffff:9783:264c
151.131.38.77 0:0:0:0:0:ffff:9783:264d
151.131.38.78 0:0:0:0:0:ffff:9783:264e
151.131.38.79 0:0:0:0:0:ffff:9783:264f
151.131.38.80 0:0:0:0:0:ffff:9783:2650
151.131.38.81 0:0:0:0:0:ffff:9783:2651
151.131.38.82 0:0:0:0:0:ffff:9783:2652
151.131.38.83 0:0:0:0:0:ffff:9783:2653
151.131.38.84 0:0:0:0:0:ffff:9783:2654
151.131.38.85 0:0:0:0:0:ffff:9783:2655
151.131.38.86 0:0:0:0:0:ffff:9783:2656
151.131.38.87 0:0:0:0:0:ffff:9783:2657
151.131.38.88 0:0:0:0:0:ffff:9783:2658
151.131.38.89 0:0:0:0:0:ffff:9783:2659
151.131.38.90 0:0:0:0:0:ffff:9783:265a
151.131.38.91 0:0:0:0:0:ffff:9783:265b
151.131.38.92 0:0:0:0:0:ffff:9783:265c
151.131.38.93 0:0:0:0:0:ffff:9783:265d
151.131.38.94 0:0:0:0:0:ffff:9783:265e
151.131.38.95 0:0:0:0:0:ffff:9783:265f
151.131.38.96 0:0:0:0:0:ffff:9783:2660
151.131.38.97 0:0:0:0:0:ffff:9783:2661
151.131.38.98 0:0:0:0:0:ffff:9783:2662
151.131.38.99 0:0:0:0:0:ffff:9783:2663
151.131.38.100 0:0:0:0:0:ffff:9783:2664
151.131.38.101 0:0:0:0:0:ffff:9783:2665
151.131.38.102 0:0:0:0:0:ffff:9783:2666
151.131.38.103 0:0:0:0:0:ffff:9783:2667
151.131.38.104 0:0:0:0:0:ffff:9783:2668
151.131.38.105 0:0:0:0:0:ffff:9783:2669
151.131.38.106 0:0:0:0:0:ffff:9783:266a
151.131.38.107 0:0:0:0:0:ffff:9783:266b
151.131.38.108 0:0:0:0:0:ffff:9783:266c
151.131.38.109 0:0:0:0:0:ffff:9783:266d
151.131.38.110 0:0:0:0:0:ffff:9783:266e
151.131.38.111 0:0:0:0:0:ffff:9783:266f
151.131.38.112 0:0:0:0:0:ffff:9783:2670
151.131.38.113 0:0:0:0:0:ffff:9783:2671
151.131.38.114 0:0:0:0:0:ffff:9783:2672
151.131.38.115 0:0:0:0:0:ffff:9783:2673
151.131.38.116 0:0:0:0:0:ffff:9783:2674
151.131.38.117 0:0:0:0:0:ffff:9783:2675
151.131.38.118 0:0:0:0:0:ffff:9783:2676
151.131.38.119 0:0:0:0:0:ffff:9783:2677
151.131.38.120 0:0:0:0:0:ffff:9783:2678


151.131.38.121 0:0:0:0:0:ffff:9783:2679
151.131.38.122 0:0:0:0:0:ffff:9783:267a
151.131.38.123 0:0:0:0:0:ffff:9783:267b
151.131.38.124 0:0:0:0:0:ffff:9783:267c
151.131.38.125 0:0:0:0:0:ffff:9783:267d
151.131.38.126 0:0:0:0:0:ffff:9783:267e
151.131.38.127 0:0:0:0:0:ffff:9783:267f
151.131.38.128 0:0:0:0:0:ffff:9783:2680
151.131.38.129 0:0:0:0:0:ffff:9783:2681
151.131.38.130 0:0:0:0:0:ffff:9783:2682
151.131.38.131 0:0:0:0:0:ffff:9783:2683
151.131.38.132 0:0:0:0:0:ffff:9783:2684
151.131.38.133 0:0:0:0:0:ffff:9783:2685
151.131.38.134 0:0:0:0:0:ffff:9783:2686
151.131.38.135 0:0:0:0:0:ffff:9783:2687
151.131.38.136 0:0:0:0:0:ffff:9783:2688
151.131.38.137 0:0:0:0:0:ffff:9783:2689
151.131.38.138 0:0:0:0:0:ffff:9783:268a
151.131.38.139 0:0:0:0:0:ffff:9783:268b
151.131.38.140 0:0:0:0:0:ffff:9783:268c
151.131.38.141 0:0:0:0:0:ffff:9783:268d
151.131.38.142 0:0:0:0:0:ffff:9783:268e
151.131.38.143 0:0:0:0:0:ffff:9783:268f
151.131.38.144 0:0:0:0:0:ffff:9783:2690
151.131.38.145 0:0:0:0:0:ffff:9783:2691
151.131.38.146 0:0:0:0:0:ffff:9783:2692
151.131.38.147 0:0:0:0:0:ffff:9783:2693
151.131.38.148 0:0:0:0:0:ffff:9783:2694
151.131.38.149 0:0:0:0:0:ffff:9783:2695
151.131.38.150 0:0:0:0:0:ffff:9783:2696
151.131.38.151 0:0:0:0:0:ffff:9783:2697
151.131.38.152 0:0:0:0:0:ffff:9783:2698
151.131.38.153 0:0:0:0:0:ffff:9783:2699
151.131.38.154 0:0:0:0:0:ffff:9783:269a
151.131.38.155 0:0:0:0:0:ffff:9783:269b
151.131.38.156 0:0:0:0:0:ffff:9783:269c
151.131.38.157 0:0:0:0:0:ffff:9783:269d
151.131.38.158 0:0:0:0:0:ffff:9783:269e
151.131.38.159 0:0:0:0:0:ffff:9783:269f
151.131.38.160 0:0:0:0:0:ffff:9783:26a0
151.131.38.161 0:0:0:0:0:ffff:9783:26a1
151.131.38.162 0:0:0:0:0:ffff:9783:26a2
151.131.38.163 0:0:0:0:0:ffff:9783:26a3
151.131.38.164 0:0:0:0:0:ffff:9783:26a4
151.131.38.165 0:0:0:0:0:ffff:9783:26a5
151.131.38.166 0:0:0:0:0:ffff:9783:26a6
151.131.38.167 0:0:0:0:0:ffff:9783:26a7
151.131.38.168 0:0:0:0:0:ffff:9783:26a8
151.131.38.169 0:0:0:0:0:ffff:9783:26a9
151.131.38.170 0:0:0:0:0:ffff:9783:26aa
151.131.38.171 0:0:0:0:0:ffff:9783:26ab
151.131.38.172 0:0:0:0:0:ffff:9783:26ac
151.131.38.173 0:0:0:0:0:ffff:9783:26ad
151.131.38.174 0:0:0:0:0:ffff:9783:26ae
151.131.38.175 0:0:0:0:0:ffff:9783:26af
151.131.38.176 0:0:0:0:0:ffff:9783:26b0
151.131.38.177 0:0:0:0:0:ffff:9783:26b1
151.131.38.178 0:0:0:0:0:ffff:9783:26b2
151.131.38.179 0:0:0:0:0:ffff:9783:26b3
151.131.38.180 0:0:0:0:0:ffff:9783:26b4


151.131.38.181 0:0:0:0:0:ffff:9783:26b5
151.131.38.182 0:0:0:0:0:ffff:9783:26b6
151.131.38.183 0:0:0:0:0:ffff:9783:26b7
151.131.38.184 0:0:0:0:0:ffff:9783:26b8
151.131.38.185 0:0:0:0:0:ffff:9783:26b9
151.131.38.186 0:0:0:0:0:ffff:9783:26ba
151.131.38.187 0:0:0:0:0:ffff:9783:26bb
151.131.38.188 0:0:0:0:0:ffff:9783:26bc
151.131.38.189 0:0:0:0:0:ffff:9783:26bd
151.131.38.190 0:0:0:0:0:ffff:9783:26be
151.131.38.191 0:0:0:0:0:ffff:9783:26bf
151.131.38.192 0:0:0:0:0:ffff:9783:26c0
151.131.38.193 0:0:0:0:0:ffff:9783:26c1
151.131.38.194 0:0:0:0:0:ffff:9783:26c2
151.131.38.195 0:0:0:0:0:ffff:9783:26c3
151.131.38.196 0:0:0:0:0:ffff:9783:26c4
151.131.38.197 0:0:0:0:0:ffff:9783:26c5
151.131.38.198 0:0:0:0:0:ffff:9783:26c6
151.131.38.199 0:0:0:0:0:ffff:9783:26c7
151.131.38.200 0:0:0:0:0:ffff:9783:26c8
151.131.38.201 0:0:0:0:0:ffff:9783:26c9
151.131.38.202 0:0:0:0:0:ffff:9783:26ca
151.131.38.203 0:0:0:0:0:ffff:9783:26cb
151.131.38.204 0:0:0:0:0:ffff:9783:26cc
151.131.38.205 0:0:0:0:0:ffff:9783:26cd
151.131.38.206 0:0:0:0:0:ffff:9783:26ce
151.131.38.207 0:0:0:0:0:ffff:9783:26cf
151.131.38.208 0:0:0:0:0:ffff:9783:26d0
151.131.38.209 0:0:0:0:0:ffff:9783:26d1
151.131.38.210 0:0:0:0:0:ffff:9783:26d2
151.131.38.211 0:0:0:0:0:ffff:9783:26d3
151.131.38.212 0:0:0:0:0:ffff:9783:26d4
151.131.38.213 0:0:0:0:0:ffff:9783:26d5
151.131.38.214 0:0:0:0:0:ffff:9783:26d6
151.131.38.215 0:0:0:0:0:ffff:9783:26d7
151.131.38.216 0:0:0:0:0:ffff:9783:26d8
151.131.38.217 0:0:0:0:0:ffff:9783:26d9
151.131.38.218 0:0:0:0:0:ffff:9783:26da
151.131.38.219 0:0:0:0:0:ffff:9783:26db
151.131.38.220 0:0:0:0:0:ffff:9783:26dc
151.131.38.221 0:0:0:0:0:ffff:9783:26dd
151.131.38.222 0:0:0:0:0:ffff:9783:26de
151.131.38.223 0:0:0:0:0:ffff:9783:26df
151.131.38.224 0:0:0:0:0:ffff:9783:26e0
151.131.38.225 0:0:0:0:0:ffff:9783:26e1
151.131.38.226 0:0:0:0:0:ffff:9783:26e2
151.131.38.227 0:0:0:0:0:ffff:9783:26e3
151.131.38.228 0:0:0:0:0:ffff:9783:26e4
151.131.38.229 0:0:0:0:0:ffff:9783:26e5
151.131.38.230 0:0:0:0:0:ffff:9783:26e6
151.131.38.231 0:0:0:0:0:ffff:9783:26e7
151.131.38.232 0:0:0:0:0:ffff:9783:26e8
151.131.38.233 0:0:0:0:0:ffff:9783:26e9
151.131.38.234 0:0:0:0:0:ffff:9783:26ea
151.131.38.235 0:0:0:0:0:ffff:9783:26eb
151.131.38.236 0:0:0:0:0:ffff:9783:26ec
151.131.38.237 0:0:0:0:0:ffff:9783:26ed
151.131.38.238 0:0:0:0:0:ffff:9783:26ee
151.131.38.239 0:0:0:0:0:ffff:9783:26ef
151.131.38.240 0:0:0:0:0:ffff:9783:26f0
151.131.38.241 0:0:0:0:0:ffff:9783:26f1
151.131.38.242 0:0:0:0:0:ffff:9783:26f2
151.131.38.243 0:0:0:0:0:ffff:9783:26f3
151.131.38.244 0:0:0:0:0:ffff:9783:26f4
151.131.38.245 0:0:0:0:0:ffff:9783:26f5
151.131.38.246 0:0:0:0:0:ffff:9783:26f6
151.131.38.247 0:0:0:0:0:ffff:9783:26f7
151.131.38.248 0:0:0:0:0:ffff:9783:26f8
151.131.38.249 0:0:0:0:0:ffff:9783:26f9
151.131.38.250 0:0:0:0:0:ffff:9783:26fa
151.131.38.251 0:0:0:0:0:ffff:9783:26fb
151.131.38.252 0:0:0:0:0:ffff:9783:26fc
151.131.38.253 0:0:0:0:0:ffff:9783:26fd
151.131.38.254 0:0:0:0:0:ffff:9783:26fe
151.131.38.255 0:0:0:0:0:ffff:9783:26ff


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.