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
203.153.38.1 0:0:0:0:0:ffff:cb99:2601
203.153.38.2 0:0:0:0:0:ffff:cb99:2602
203.153.38.3 0:0:0:0:0:ffff:cb99:2603
203.153.38.4 0:0:0:0:0:ffff:cb99:2604
203.153.38.5 0:0:0:0:0:ffff:cb99:2605
203.153.38.6 0:0:0:0:0:ffff:cb99:2606
203.153.38.7 0:0:0:0:0:ffff:cb99:2607
203.153.38.8 0:0:0:0:0:ffff:cb99:2608
203.153.38.9 0:0:0:0:0:ffff:cb99:2609
203.153.38.10 0:0:0:0:0:ffff:cb99:260a
203.153.38.11 0:0:0:0:0:ffff:cb99:260b
203.153.38.12 0:0:0:0:0:ffff:cb99:260c
203.153.38.13 0:0:0:0:0:ffff:cb99:260d
203.153.38.14 0:0:0:0:0:ffff:cb99:260e
203.153.38.15 0:0:0:0:0:ffff:cb99:260f
203.153.38.16 0:0:0:0:0:ffff:cb99:2610
203.153.38.17 0:0:0:0:0:ffff:cb99:2611
203.153.38.18 0:0:0:0:0:ffff:cb99:2612
203.153.38.19 0:0:0:0:0:ffff:cb99:2613
203.153.38.20 0:0:0:0:0:ffff:cb99:2614
203.153.38.21 0:0:0:0:0:ffff:cb99:2615
203.153.38.22 0:0:0:0:0:ffff:cb99:2616
203.153.38.23 0:0:0:0:0:ffff:cb99:2617
203.153.38.24 0:0:0:0:0:ffff:cb99:2618
203.153.38.25 0:0:0:0:0:ffff:cb99:2619
203.153.38.26 0:0:0:0:0:ffff:cb99:261a
203.153.38.27 0:0:0:0:0:ffff:cb99:261b
203.153.38.28 0:0:0:0:0:ffff:cb99:261c
203.153.38.29 0:0:0:0:0:ffff:cb99:261d
203.153.38.30 0:0:0:0:0:ffff:cb99:261e
203.153.38.31 0:0:0:0:0:ffff:cb99:261f
203.153.38.32 0:0:0:0:0:ffff:cb99:2620
203.153.38.33 0:0:0:0:0:ffff:cb99:2621
203.153.38.34 0:0:0:0:0:ffff:cb99:2622
203.153.38.35 0:0:0:0:0:ffff:cb99:2623
203.153.38.36 0:0:0:0:0:ffff:cb99:2624
203.153.38.37 0:0:0:0:0:ffff:cb99:2625
203.153.38.38 0:0:0:0:0:ffff:cb99:2626
203.153.38.39 0:0:0:0:0:ffff:cb99:2627
203.153.38.40 0:0:0:0:0:ffff:cb99:2628
203.153.38.41 0:0:0:0:0:ffff:cb99:2629
203.153.38.42 0:0:0:0:0:ffff:cb99:262a
203.153.38.43 0:0:0:0:0:ffff:cb99:262b
203.153.38.44 0:0:0:0:0:ffff:cb99:262c
203.153.38.45 0:0:0:0:0:ffff:cb99:262d
203.153.38.46 0:0:0:0:0:ffff:cb99:262e
203.153.38.47 0:0:0:0:0:ffff:cb99:262f
203.153.38.48 0:0:0:0:0:ffff:cb99:2630
203.153.38.49 0:0:0:0:0:ffff:cb99:2631
203.153.38.50 0:0:0:0:0:ffff:cb99:2632
203.153.38.51 0:0:0:0:0:ffff:cb99:2633
203.153.38.52 0:0:0:0:0:ffff:cb99:2634
203.153.38.53 0:0:0:0:0:ffff:cb99:2635
203.153.38.54 0:0:0:0:0:ffff:cb99:2636
203.153.38.55 0:0:0:0:0:ffff:cb99:2637
203.153.38.56 0:0:0:0:0:ffff:cb99:2638
203.153.38.57 0:0:0:0:0:ffff:cb99:2639
203.153.38.58 0:0:0:0:0:ffff:cb99:263a
203.153.38.59 0:0:0:0:0:ffff:cb99:263b
203.153.38.60 0:0:0:0:0:ffff:cb99:263c


203.153.38.61 0:0:0:0:0:ffff:cb99:263d
203.153.38.62 0:0:0:0:0:ffff:cb99:263e
203.153.38.63 0:0:0:0:0:ffff:cb99:263f
203.153.38.64 0:0:0:0:0:ffff:cb99:2640
203.153.38.65 0:0:0:0:0:ffff:cb99:2641
203.153.38.66 0:0:0:0:0:ffff:cb99:2642
203.153.38.67 0:0:0:0:0:ffff:cb99:2643
203.153.38.68 0:0:0:0:0:ffff:cb99:2644
203.153.38.69 0:0:0:0:0:ffff:cb99:2645
203.153.38.70 0:0:0:0:0:ffff:cb99:2646
203.153.38.71 0:0:0:0:0:ffff:cb99:2647
203.153.38.72 0:0:0:0:0:ffff:cb99:2648
203.153.38.73 0:0:0:0:0:ffff:cb99:2649
203.153.38.74 0:0:0:0:0:ffff:cb99:264a
203.153.38.75 0:0:0:0:0:ffff:cb99:264b
203.153.38.76 0:0:0:0:0:ffff:cb99:264c
203.153.38.77 0:0:0:0:0:ffff:cb99:264d
203.153.38.78 0:0:0:0:0:ffff:cb99:264e
203.153.38.79 0:0:0:0:0:ffff:cb99:264f
203.153.38.80 0:0:0:0:0:ffff:cb99:2650
203.153.38.81 0:0:0:0:0:ffff:cb99:2651
203.153.38.82 0:0:0:0:0:ffff:cb99:2652
203.153.38.83 0:0:0:0:0:ffff:cb99:2653
203.153.38.84 0:0:0:0:0:ffff:cb99:2654
203.153.38.85 0:0:0:0:0:ffff:cb99:2655
203.153.38.86 0:0:0:0:0:ffff:cb99:2656
203.153.38.87 0:0:0:0:0:ffff:cb99:2657
203.153.38.88 0:0:0:0:0:ffff:cb99:2658
203.153.38.89 0:0:0:0:0:ffff:cb99:2659
203.153.38.90 0:0:0:0:0:ffff:cb99:265a
203.153.38.91 0:0:0:0:0:ffff:cb99:265b
203.153.38.92 0:0:0:0:0:ffff:cb99:265c
203.153.38.93 0:0:0:0:0:ffff:cb99:265d
203.153.38.94 0:0:0:0:0:ffff:cb99:265e
203.153.38.95 0:0:0:0:0:ffff:cb99:265f
203.153.38.96 0:0:0:0:0:ffff:cb99:2660
203.153.38.97 0:0:0:0:0:ffff:cb99:2661
203.153.38.98 0:0:0:0:0:ffff:cb99:2662
203.153.38.99 0:0:0:0:0:ffff:cb99:2663
203.153.38.100 0:0:0:0:0:ffff:cb99:2664
203.153.38.101 0:0:0:0:0:ffff:cb99:2665
203.153.38.102 0:0:0:0:0:ffff:cb99:2666
203.153.38.103 0:0:0:0:0:ffff:cb99:2667
203.153.38.104 0:0:0:0:0:ffff:cb99:2668
203.153.38.105 0:0:0:0:0:ffff:cb99:2669
203.153.38.106 0:0:0:0:0:ffff:cb99:266a
203.153.38.107 0:0:0:0:0:ffff:cb99:266b
203.153.38.108 0:0:0:0:0:ffff:cb99:266c
203.153.38.109 0:0:0:0:0:ffff:cb99:266d
203.153.38.110 0:0:0:0:0:ffff:cb99:266e
203.153.38.111 0:0:0:0:0:ffff:cb99:266f
203.153.38.112 0:0:0:0:0:ffff:cb99:2670
203.153.38.113 0:0:0:0:0:ffff:cb99:2671
203.153.38.114 0:0:0:0:0:ffff:cb99:2672
203.153.38.115 0:0:0:0:0:ffff:cb99:2673
203.153.38.116 0:0:0:0:0:ffff:cb99:2674
203.153.38.117 0:0:0:0:0:ffff:cb99:2675
203.153.38.118 0:0:0:0:0:ffff:cb99:2676
203.153.38.119 0:0:0:0:0:ffff:cb99:2677
203.153.38.120 0:0:0:0:0:ffff:cb99:2678


203.153.38.121 0:0:0:0:0:ffff:cb99:2679
203.153.38.122 0:0:0:0:0:ffff:cb99:267a
203.153.38.123 0:0:0:0:0:ffff:cb99:267b
203.153.38.124 0:0:0:0:0:ffff:cb99:267c
203.153.38.125 0:0:0:0:0:ffff:cb99:267d
203.153.38.126 0:0:0:0:0:ffff:cb99:267e
203.153.38.127 0:0:0:0:0:ffff:cb99:267f
203.153.38.128 0:0:0:0:0:ffff:cb99:2680
203.153.38.129 0:0:0:0:0:ffff:cb99:2681
203.153.38.130 0:0:0:0:0:ffff:cb99:2682
203.153.38.131 0:0:0:0:0:ffff:cb99:2683
203.153.38.132 0:0:0:0:0:ffff:cb99:2684
203.153.38.133 0:0:0:0:0:ffff:cb99:2685
203.153.38.134 0:0:0:0:0:ffff:cb99:2686
203.153.38.135 0:0:0:0:0:ffff:cb99:2687
203.153.38.136 0:0:0:0:0:ffff:cb99:2688
203.153.38.137 0:0:0:0:0:ffff:cb99:2689
203.153.38.138 0:0:0:0:0:ffff:cb99:268a
203.153.38.139 0:0:0:0:0:ffff:cb99:268b
203.153.38.140 0:0:0:0:0:ffff:cb99:268c
203.153.38.141 0:0:0:0:0:ffff:cb99:268d
203.153.38.142 0:0:0:0:0:ffff:cb99:268e
203.153.38.143 0:0:0:0:0:ffff:cb99:268f
203.153.38.144 0:0:0:0:0:ffff:cb99:2690
203.153.38.145 0:0:0:0:0:ffff:cb99:2691
203.153.38.146 0:0:0:0:0:ffff:cb99:2692
203.153.38.147 0:0:0:0:0:ffff:cb99:2693
203.153.38.148 0:0:0:0:0:ffff:cb99:2694
203.153.38.149 0:0:0:0:0:ffff:cb99:2695
203.153.38.150 0:0:0:0:0:ffff:cb99:2696
203.153.38.151 0:0:0:0:0:ffff:cb99:2697
203.153.38.152 0:0:0:0:0:ffff:cb99:2698
203.153.38.153 0:0:0:0:0:ffff:cb99:2699
203.153.38.154 0:0:0:0:0:ffff:cb99:269a
203.153.38.155 0:0:0:0:0:ffff:cb99:269b
203.153.38.156 0:0:0:0:0:ffff:cb99:269c
203.153.38.157 0:0:0:0:0:ffff:cb99:269d
203.153.38.158 0:0:0:0:0:ffff:cb99:269e
203.153.38.159 0:0:0:0:0:ffff:cb99:269f
203.153.38.160 0:0:0:0:0:ffff:cb99:26a0
203.153.38.161 0:0:0:0:0:ffff:cb99:26a1
203.153.38.162 0:0:0:0:0:ffff:cb99:26a2
203.153.38.163 0:0:0:0:0:ffff:cb99:26a3
203.153.38.164 0:0:0:0:0:ffff:cb99:26a4
203.153.38.165 0:0:0:0:0:ffff:cb99:26a5
203.153.38.166 0:0:0:0:0:ffff:cb99:26a6
203.153.38.167 0:0:0:0:0:ffff:cb99:26a7
203.153.38.168 0:0:0:0:0:ffff:cb99:26a8
203.153.38.169 0:0:0:0:0:ffff:cb99:26a9
203.153.38.170 0:0:0:0:0:ffff:cb99:26aa
203.153.38.171 0:0:0:0:0:ffff:cb99:26ab
203.153.38.172 0:0:0:0:0:ffff:cb99:26ac
203.153.38.173 0:0:0:0:0:ffff:cb99:26ad
203.153.38.174 0:0:0:0:0:ffff:cb99:26ae
203.153.38.175 0:0:0:0:0:ffff:cb99:26af
203.153.38.176 0:0:0:0:0:ffff:cb99:26b0
203.153.38.177 0:0:0:0:0:ffff:cb99:26b1
203.153.38.178 0:0:0:0:0:ffff:cb99:26b2
203.153.38.179 0:0:0:0:0:ffff:cb99:26b3
203.153.38.180 0:0:0:0:0:ffff:cb99:26b4


203.153.38.181 0:0:0:0:0:ffff:cb99:26b5
203.153.38.182 0:0:0:0:0:ffff:cb99:26b6
203.153.38.183 0:0:0:0:0:ffff:cb99:26b7
203.153.38.184 0:0:0:0:0:ffff:cb99:26b8
203.153.38.185 0:0:0:0:0:ffff:cb99:26b9
203.153.38.186 0:0:0:0:0:ffff:cb99:26ba
203.153.38.187 0:0:0:0:0:ffff:cb99:26bb
203.153.38.188 0:0:0:0:0:ffff:cb99:26bc
203.153.38.189 0:0:0:0:0:ffff:cb99:26bd
203.153.38.190 0:0:0:0:0:ffff:cb99:26be
203.153.38.191 0:0:0:0:0:ffff:cb99:26bf
203.153.38.192 0:0:0:0:0:ffff:cb99:26c0
203.153.38.193 0:0:0:0:0:ffff:cb99:26c1
203.153.38.194 0:0:0:0:0:ffff:cb99:26c2
203.153.38.195 0:0:0:0:0:ffff:cb99:26c3
203.153.38.196 0:0:0:0:0:ffff:cb99:26c4
203.153.38.197 0:0:0:0:0:ffff:cb99:26c5
203.153.38.198 0:0:0:0:0:ffff:cb99:26c6
203.153.38.199 0:0:0:0:0:ffff:cb99:26c7
203.153.38.200 0:0:0:0:0:ffff:cb99:26c8
203.153.38.201 0:0:0:0:0:ffff:cb99:26c9
203.153.38.202 0:0:0:0:0:ffff:cb99:26ca
203.153.38.203 0:0:0:0:0:ffff:cb99:26cb
203.153.38.204 0:0:0:0:0:ffff:cb99:26cc
203.153.38.205 0:0:0:0:0:ffff:cb99:26cd
203.153.38.206 0:0:0:0:0:ffff:cb99:26ce
203.153.38.207 0:0:0:0:0:ffff:cb99:26cf
203.153.38.208 0:0:0:0:0:ffff:cb99:26d0
203.153.38.209 0:0:0:0:0:ffff:cb99:26d1
203.153.38.210 0:0:0:0:0:ffff:cb99:26d2
203.153.38.211 0:0:0:0:0:ffff:cb99:26d3
203.153.38.212 0:0:0:0:0:ffff:cb99:26d4
203.153.38.213 0:0:0:0:0:ffff:cb99:26d5
203.153.38.214 0:0:0:0:0:ffff:cb99:26d6
203.153.38.215 0:0:0:0:0:ffff:cb99:26d7
203.153.38.216 0:0:0:0:0:ffff:cb99:26d8
203.153.38.217 0:0:0:0:0:ffff:cb99:26d9
203.153.38.218 0:0:0:0:0:ffff:cb99:26da
203.153.38.219 0:0:0:0:0:ffff:cb99:26db
203.153.38.220 0:0:0:0:0:ffff:cb99:26dc
203.153.38.221 0:0:0:0:0:ffff:cb99:26dd
203.153.38.222 0:0:0:0:0:ffff:cb99:26de
203.153.38.223 0:0:0:0:0:ffff:cb99:26df
203.153.38.224 0:0:0:0:0:ffff:cb99:26e0
203.153.38.225 0:0:0:0:0:ffff:cb99:26e1
203.153.38.226 0:0:0:0:0:ffff:cb99:26e2
203.153.38.227 0:0:0:0:0:ffff:cb99:26e3
203.153.38.228 0:0:0:0:0:ffff:cb99:26e4
203.153.38.229 0:0:0:0:0:ffff:cb99:26e5
203.153.38.230 0:0:0:0:0:ffff:cb99:26e6
203.153.38.231 0:0:0:0:0:ffff:cb99:26e7
203.153.38.232 0:0:0:0:0:ffff:cb99:26e8
203.153.38.233 0:0:0:0:0:ffff:cb99:26e9
203.153.38.234 0:0:0:0:0:ffff:cb99:26ea
203.153.38.235 0:0:0:0:0:ffff:cb99:26eb
203.153.38.236 0:0:0:0:0:ffff:cb99:26ec
203.153.38.237 0:0:0:0:0:ffff:cb99:26ed
203.153.38.238 0:0:0:0:0:ffff:cb99:26ee
203.153.38.239 0:0:0:0:0:ffff:cb99:26ef
203.153.38.240 0:0:0:0:0:ffff:cb99:26f0
203.153.38.241 0:0:0:0:0:ffff:cb99:26f1
203.153.38.242 0:0:0:0:0:ffff:cb99:26f2
203.153.38.243 0:0:0:0:0:ffff:cb99:26f3
203.153.38.244 0:0:0:0:0:ffff:cb99:26f4
203.153.38.245 0:0:0:0:0:ffff:cb99:26f5
203.153.38.246 0:0:0:0:0:ffff:cb99:26f6
203.153.38.247 0:0:0:0:0:ffff:cb99:26f7
203.153.38.248 0:0:0:0:0:ffff:cb99:26f8
203.153.38.249 0:0:0:0:0:ffff:cb99:26f9
203.153.38.250 0:0:0:0:0:ffff:cb99:26fa
203.153.38.251 0:0:0:0:0:ffff:cb99:26fb
203.153.38.252 0:0:0:0:0:ffff:cb99:26fc
203.153.38.253 0:0:0:0:0:ffff:cb99:26fd
203.153.38.254 0:0:0:0:0:ffff:cb99:26fe
203.153.38.255 0:0:0:0:0:ffff:cb99:26ff


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.