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
187.40.38.1 0:0:0:0:0:ffff:bb28:2601
187.40.38.2 0:0:0:0:0:ffff:bb28:2602
187.40.38.3 0:0:0:0:0:ffff:bb28:2603
187.40.38.4 0:0:0:0:0:ffff:bb28:2604
187.40.38.5 0:0:0:0:0:ffff:bb28:2605
187.40.38.6 0:0:0:0:0:ffff:bb28:2606
187.40.38.7 0:0:0:0:0:ffff:bb28:2607
187.40.38.8 0:0:0:0:0:ffff:bb28:2608
187.40.38.9 0:0:0:0:0:ffff:bb28:2609
187.40.38.10 0:0:0:0:0:ffff:bb28:260a
187.40.38.11 0:0:0:0:0:ffff:bb28:260b
187.40.38.12 0:0:0:0:0:ffff:bb28:260c
187.40.38.13 0:0:0:0:0:ffff:bb28:260d
187.40.38.14 0:0:0:0:0:ffff:bb28:260e
187.40.38.15 0:0:0:0:0:ffff:bb28:260f
187.40.38.16 0:0:0:0:0:ffff:bb28:2610
187.40.38.17 0:0:0:0:0:ffff:bb28:2611
187.40.38.18 0:0:0:0:0:ffff:bb28:2612
187.40.38.19 0:0:0:0:0:ffff:bb28:2613
187.40.38.20 0:0:0:0:0:ffff:bb28:2614
187.40.38.21 0:0:0:0:0:ffff:bb28:2615
187.40.38.22 0:0:0:0:0:ffff:bb28:2616
187.40.38.23 0:0:0:0:0:ffff:bb28:2617
187.40.38.24 0:0:0:0:0:ffff:bb28:2618
187.40.38.25 0:0:0:0:0:ffff:bb28:2619
187.40.38.26 0:0:0:0:0:ffff:bb28:261a
187.40.38.27 0:0:0:0:0:ffff:bb28:261b
187.40.38.28 0:0:0:0:0:ffff:bb28:261c
187.40.38.29 0:0:0:0:0:ffff:bb28:261d
187.40.38.30 0:0:0:0:0:ffff:bb28:261e
187.40.38.31 0:0:0:0:0:ffff:bb28:261f
187.40.38.32 0:0:0:0:0:ffff:bb28:2620
187.40.38.33 0:0:0:0:0:ffff:bb28:2621
187.40.38.34 0:0:0:0:0:ffff:bb28:2622
187.40.38.35 0:0:0:0:0:ffff:bb28:2623
187.40.38.36 0:0:0:0:0:ffff:bb28:2624
187.40.38.37 0:0:0:0:0:ffff:bb28:2625
187.40.38.38 0:0:0:0:0:ffff:bb28:2626
187.40.38.39 0:0:0:0:0:ffff:bb28:2627
187.40.38.40 0:0:0:0:0:ffff:bb28:2628
187.40.38.41 0:0:0:0:0:ffff:bb28:2629
187.40.38.42 0:0:0:0:0:ffff:bb28:262a
187.40.38.43 0:0:0:0:0:ffff:bb28:262b
187.40.38.44 0:0:0:0:0:ffff:bb28:262c
187.40.38.45 0:0:0:0:0:ffff:bb28:262d
187.40.38.46 0:0:0:0:0:ffff:bb28:262e
187.40.38.47 0:0:0:0:0:ffff:bb28:262f
187.40.38.48 0:0:0:0:0:ffff:bb28:2630
187.40.38.49 0:0:0:0:0:ffff:bb28:2631
187.40.38.50 0:0:0:0:0:ffff:bb28:2632
187.40.38.51 0:0:0:0:0:ffff:bb28:2633
187.40.38.52 0:0:0:0:0:ffff:bb28:2634
187.40.38.53 0:0:0:0:0:ffff:bb28:2635
187.40.38.54 0:0:0:0:0:ffff:bb28:2636
187.40.38.55 0:0:0:0:0:ffff:bb28:2637
187.40.38.56 0:0:0:0:0:ffff:bb28:2638
187.40.38.57 0:0:0:0:0:ffff:bb28:2639
187.40.38.58 0:0:0:0:0:ffff:bb28:263a
187.40.38.59 0:0:0:0:0:ffff:bb28:263b
187.40.38.60 0:0:0:0:0:ffff:bb28:263c


187.40.38.61 0:0:0:0:0:ffff:bb28:263d
187.40.38.62 0:0:0:0:0:ffff:bb28:263e
187.40.38.63 0:0:0:0:0:ffff:bb28:263f
187.40.38.64 0:0:0:0:0:ffff:bb28:2640
187.40.38.65 0:0:0:0:0:ffff:bb28:2641
187.40.38.66 0:0:0:0:0:ffff:bb28:2642
187.40.38.67 0:0:0:0:0:ffff:bb28:2643
187.40.38.68 0:0:0:0:0:ffff:bb28:2644
187.40.38.69 0:0:0:0:0:ffff:bb28:2645
187.40.38.70 0:0:0:0:0:ffff:bb28:2646
187.40.38.71 0:0:0:0:0:ffff:bb28:2647
187.40.38.72 0:0:0:0:0:ffff:bb28:2648
187.40.38.73 0:0:0:0:0:ffff:bb28:2649
187.40.38.74 0:0:0:0:0:ffff:bb28:264a
187.40.38.75 0:0:0:0:0:ffff:bb28:264b
187.40.38.76 0:0:0:0:0:ffff:bb28:264c
187.40.38.77 0:0:0:0:0:ffff:bb28:264d
187.40.38.78 0:0:0:0:0:ffff:bb28:264e
187.40.38.79 0:0:0:0:0:ffff:bb28:264f
187.40.38.80 0:0:0:0:0:ffff:bb28:2650
187.40.38.81 0:0:0:0:0:ffff:bb28:2651
187.40.38.82 0:0:0:0:0:ffff:bb28:2652
187.40.38.83 0:0:0:0:0:ffff:bb28:2653
187.40.38.84 0:0:0:0:0:ffff:bb28:2654
187.40.38.85 0:0:0:0:0:ffff:bb28:2655
187.40.38.86 0:0:0:0:0:ffff:bb28:2656
187.40.38.87 0:0:0:0:0:ffff:bb28:2657
187.40.38.88 0:0:0:0:0:ffff:bb28:2658
187.40.38.89 0:0:0:0:0:ffff:bb28:2659
187.40.38.90 0:0:0:0:0:ffff:bb28:265a
187.40.38.91 0:0:0:0:0:ffff:bb28:265b
187.40.38.92 0:0:0:0:0:ffff:bb28:265c
187.40.38.93 0:0:0:0:0:ffff:bb28:265d
187.40.38.94 0:0:0:0:0:ffff:bb28:265e
187.40.38.95 0:0:0:0:0:ffff:bb28:265f
187.40.38.96 0:0:0:0:0:ffff:bb28:2660
187.40.38.97 0:0:0:0:0:ffff:bb28:2661
187.40.38.98 0:0:0:0:0:ffff:bb28:2662
187.40.38.99 0:0:0:0:0:ffff:bb28:2663
187.40.38.100 0:0:0:0:0:ffff:bb28:2664
187.40.38.101 0:0:0:0:0:ffff:bb28:2665
187.40.38.102 0:0:0:0:0:ffff:bb28:2666
187.40.38.103 0:0:0:0:0:ffff:bb28:2667
187.40.38.104 0:0:0:0:0:ffff:bb28:2668
187.40.38.105 0:0:0:0:0:ffff:bb28:2669
187.40.38.106 0:0:0:0:0:ffff:bb28:266a
187.40.38.107 0:0:0:0:0:ffff:bb28:266b
187.40.38.108 0:0:0:0:0:ffff:bb28:266c
187.40.38.109 0:0:0:0:0:ffff:bb28:266d
187.40.38.110 0:0:0:0:0:ffff:bb28:266e
187.40.38.111 0:0:0:0:0:ffff:bb28:266f
187.40.38.112 0:0:0:0:0:ffff:bb28:2670
187.40.38.113 0:0:0:0:0:ffff:bb28:2671
187.40.38.114 0:0:0:0:0:ffff:bb28:2672
187.40.38.115 0:0:0:0:0:ffff:bb28:2673
187.40.38.116 0:0:0:0:0:ffff:bb28:2674
187.40.38.117 0:0:0:0:0:ffff:bb28:2675
187.40.38.118 0:0:0:0:0:ffff:bb28:2676
187.40.38.119 0:0:0:0:0:ffff:bb28:2677
187.40.38.120 0:0:0:0:0:ffff:bb28:2678


187.40.38.121 0:0:0:0:0:ffff:bb28:2679
187.40.38.122 0:0:0:0:0:ffff:bb28:267a
187.40.38.123 0:0:0:0:0:ffff:bb28:267b
187.40.38.124 0:0:0:0:0:ffff:bb28:267c
187.40.38.125 0:0:0:0:0:ffff:bb28:267d
187.40.38.126 0:0:0:0:0:ffff:bb28:267e
187.40.38.127 0:0:0:0:0:ffff:bb28:267f
187.40.38.128 0:0:0:0:0:ffff:bb28:2680
187.40.38.129 0:0:0:0:0:ffff:bb28:2681
187.40.38.130 0:0:0:0:0:ffff:bb28:2682
187.40.38.131 0:0:0:0:0:ffff:bb28:2683
187.40.38.132 0:0:0:0:0:ffff:bb28:2684
187.40.38.133 0:0:0:0:0:ffff:bb28:2685
187.40.38.134 0:0:0:0:0:ffff:bb28:2686
187.40.38.135 0:0:0:0:0:ffff:bb28:2687
187.40.38.136 0:0:0:0:0:ffff:bb28:2688
187.40.38.137 0:0:0:0:0:ffff:bb28:2689
187.40.38.138 0:0:0:0:0:ffff:bb28:268a
187.40.38.139 0:0:0:0:0:ffff:bb28:268b
187.40.38.140 0:0:0:0:0:ffff:bb28:268c
187.40.38.141 0:0:0:0:0:ffff:bb28:268d
187.40.38.142 0:0:0:0:0:ffff:bb28:268e
187.40.38.143 0:0:0:0:0:ffff:bb28:268f
187.40.38.144 0:0:0:0:0:ffff:bb28:2690
187.40.38.145 0:0:0:0:0:ffff:bb28:2691
187.40.38.146 0:0:0:0:0:ffff:bb28:2692
187.40.38.147 0:0:0:0:0:ffff:bb28:2693
187.40.38.148 0:0:0:0:0:ffff:bb28:2694
187.40.38.149 0:0:0:0:0:ffff:bb28:2695
187.40.38.150 0:0:0:0:0:ffff:bb28:2696
187.40.38.151 0:0:0:0:0:ffff:bb28:2697
187.40.38.152 0:0:0:0:0:ffff:bb28:2698
187.40.38.153 0:0:0:0:0:ffff:bb28:2699
187.40.38.154 0:0:0:0:0:ffff:bb28:269a
187.40.38.155 0:0:0:0:0:ffff:bb28:269b
187.40.38.156 0:0:0:0:0:ffff:bb28:269c
187.40.38.157 0:0:0:0:0:ffff:bb28:269d
187.40.38.158 0:0:0:0:0:ffff:bb28:269e
187.40.38.159 0:0:0:0:0:ffff:bb28:269f
187.40.38.160 0:0:0:0:0:ffff:bb28:26a0
187.40.38.161 0:0:0:0:0:ffff:bb28:26a1
187.40.38.162 0:0:0:0:0:ffff:bb28:26a2
187.40.38.163 0:0:0:0:0:ffff:bb28:26a3
187.40.38.164 0:0:0:0:0:ffff:bb28:26a4
187.40.38.165 0:0:0:0:0:ffff:bb28:26a5
187.40.38.166 0:0:0:0:0:ffff:bb28:26a6
187.40.38.167 0:0:0:0:0:ffff:bb28:26a7
187.40.38.168 0:0:0:0:0:ffff:bb28:26a8
187.40.38.169 0:0:0:0:0:ffff:bb28:26a9
187.40.38.170 0:0:0:0:0:ffff:bb28:26aa
187.40.38.171 0:0:0:0:0:ffff:bb28:26ab
187.40.38.172 0:0:0:0:0:ffff:bb28:26ac
187.40.38.173 0:0:0:0:0:ffff:bb28:26ad
187.40.38.174 0:0:0:0:0:ffff:bb28:26ae
187.40.38.175 0:0:0:0:0:ffff:bb28:26af
187.40.38.176 0:0:0:0:0:ffff:bb28:26b0
187.40.38.177 0:0:0:0:0:ffff:bb28:26b1
187.40.38.178 0:0:0:0:0:ffff:bb28:26b2
187.40.38.179 0:0:0:0:0:ffff:bb28:26b3
187.40.38.180 0:0:0:0:0:ffff:bb28:26b4


187.40.38.181 0:0:0:0:0:ffff:bb28:26b5
187.40.38.182 0:0:0:0:0:ffff:bb28:26b6
187.40.38.183 0:0:0:0:0:ffff:bb28:26b7
187.40.38.184 0:0:0:0:0:ffff:bb28:26b8
187.40.38.185 0:0:0:0:0:ffff:bb28:26b9
187.40.38.186 0:0:0:0:0:ffff:bb28:26ba
187.40.38.187 0:0:0:0:0:ffff:bb28:26bb
187.40.38.188 0:0:0:0:0:ffff:bb28:26bc
187.40.38.189 0:0:0:0:0:ffff:bb28:26bd
187.40.38.190 0:0:0:0:0:ffff:bb28:26be
187.40.38.191 0:0:0:0:0:ffff:bb28:26bf
187.40.38.192 0:0:0:0:0:ffff:bb28:26c0
187.40.38.193 0:0:0:0:0:ffff:bb28:26c1
187.40.38.194 0:0:0:0:0:ffff:bb28:26c2
187.40.38.195 0:0:0:0:0:ffff:bb28:26c3
187.40.38.196 0:0:0:0:0:ffff:bb28:26c4
187.40.38.197 0:0:0:0:0:ffff:bb28:26c5
187.40.38.198 0:0:0:0:0:ffff:bb28:26c6
187.40.38.199 0:0:0:0:0:ffff:bb28:26c7
187.40.38.200 0:0:0:0:0:ffff:bb28:26c8
187.40.38.201 0:0:0:0:0:ffff:bb28:26c9
187.40.38.202 0:0:0:0:0:ffff:bb28:26ca
187.40.38.203 0:0:0:0:0:ffff:bb28:26cb
187.40.38.204 0:0:0:0:0:ffff:bb28:26cc
187.40.38.205 0:0:0:0:0:ffff:bb28:26cd
187.40.38.206 0:0:0:0:0:ffff:bb28:26ce
187.40.38.207 0:0:0:0:0:ffff:bb28:26cf
187.40.38.208 0:0:0:0:0:ffff:bb28:26d0
187.40.38.209 0:0:0:0:0:ffff:bb28:26d1
187.40.38.210 0:0:0:0:0:ffff:bb28:26d2
187.40.38.211 0:0:0:0:0:ffff:bb28:26d3
187.40.38.212 0:0:0:0:0:ffff:bb28:26d4
187.40.38.213 0:0:0:0:0:ffff:bb28:26d5
187.40.38.214 0:0:0:0:0:ffff:bb28:26d6
187.40.38.215 0:0:0:0:0:ffff:bb28:26d7
187.40.38.216 0:0:0:0:0:ffff:bb28:26d8
187.40.38.217 0:0:0:0:0:ffff:bb28:26d9
187.40.38.218 0:0:0:0:0:ffff:bb28:26da
187.40.38.219 0:0:0:0:0:ffff:bb28:26db
187.40.38.220 0:0:0:0:0:ffff:bb28:26dc
187.40.38.221 0:0:0:0:0:ffff:bb28:26dd
187.40.38.222 0:0:0:0:0:ffff:bb28:26de
187.40.38.223 0:0:0:0:0:ffff:bb28:26df
187.40.38.224 0:0:0:0:0:ffff:bb28:26e0
187.40.38.225 0:0:0:0:0:ffff:bb28:26e1
187.40.38.226 0:0:0:0:0:ffff:bb28:26e2
187.40.38.227 0:0:0:0:0:ffff:bb28:26e3
187.40.38.228 0:0:0:0:0:ffff:bb28:26e4
187.40.38.229 0:0:0:0:0:ffff:bb28:26e5
187.40.38.230 0:0:0:0:0:ffff:bb28:26e6
187.40.38.231 0:0:0:0:0:ffff:bb28:26e7
187.40.38.232 0:0:0:0:0:ffff:bb28:26e8
187.40.38.233 0:0:0:0:0:ffff:bb28:26e9
187.40.38.234 0:0:0:0:0:ffff:bb28:26ea
187.40.38.235 0:0:0:0:0:ffff:bb28:26eb
187.40.38.236 0:0:0:0:0:ffff:bb28:26ec
187.40.38.237 0:0:0:0:0:ffff:bb28:26ed
187.40.38.238 0:0:0:0:0:ffff:bb28:26ee
187.40.38.239 0:0:0:0:0:ffff:bb28:26ef
187.40.38.240 0:0:0:0:0:ffff:bb28:26f0
187.40.38.241 0:0:0:0:0:ffff:bb28:26f1
187.40.38.242 0:0:0:0:0:ffff:bb28:26f2
187.40.38.243 0:0:0:0:0:ffff:bb28:26f3
187.40.38.244 0:0:0:0:0:ffff:bb28:26f4
187.40.38.245 0:0:0:0:0:ffff:bb28:26f5
187.40.38.246 0:0:0:0:0:ffff:bb28:26f6
187.40.38.247 0:0:0:0:0:ffff:bb28:26f7
187.40.38.248 0:0:0:0:0:ffff:bb28:26f8
187.40.38.249 0:0:0:0:0:ffff:bb28:26f9
187.40.38.250 0:0:0:0:0:ffff:bb28:26fa
187.40.38.251 0:0:0:0:0:ffff:bb28:26fb
187.40.38.252 0:0:0:0:0:ffff:bb28:26fc
187.40.38.253 0:0:0:0:0:ffff:bb28:26fd
187.40.38.254 0:0:0:0:0:ffff:bb28:26fe
187.40.38.255 0:0:0:0:0:ffff:bb28:26ff


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.