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
143.243.38.1 0:0:0:0:0:ffff:8ff3:2601
143.243.38.2 0:0:0:0:0:ffff:8ff3:2602
143.243.38.3 0:0:0:0:0:ffff:8ff3:2603
143.243.38.4 0:0:0:0:0:ffff:8ff3:2604
143.243.38.5 0:0:0:0:0:ffff:8ff3:2605
143.243.38.6 0:0:0:0:0:ffff:8ff3:2606
143.243.38.7 0:0:0:0:0:ffff:8ff3:2607
143.243.38.8 0:0:0:0:0:ffff:8ff3:2608
143.243.38.9 0:0:0:0:0:ffff:8ff3:2609
143.243.38.10 0:0:0:0:0:ffff:8ff3:260a
143.243.38.11 0:0:0:0:0:ffff:8ff3:260b
143.243.38.12 0:0:0:0:0:ffff:8ff3:260c
143.243.38.13 0:0:0:0:0:ffff:8ff3:260d
143.243.38.14 0:0:0:0:0:ffff:8ff3:260e
143.243.38.15 0:0:0:0:0:ffff:8ff3:260f
143.243.38.16 0:0:0:0:0:ffff:8ff3:2610
143.243.38.17 0:0:0:0:0:ffff:8ff3:2611
143.243.38.18 0:0:0:0:0:ffff:8ff3:2612
143.243.38.19 0:0:0:0:0:ffff:8ff3:2613
143.243.38.20 0:0:0:0:0:ffff:8ff3:2614
143.243.38.21 0:0:0:0:0:ffff:8ff3:2615
143.243.38.22 0:0:0:0:0:ffff:8ff3:2616
143.243.38.23 0:0:0:0:0:ffff:8ff3:2617
143.243.38.24 0:0:0:0:0:ffff:8ff3:2618
143.243.38.25 0:0:0:0:0:ffff:8ff3:2619
143.243.38.26 0:0:0:0:0:ffff:8ff3:261a
143.243.38.27 0:0:0:0:0:ffff:8ff3:261b
143.243.38.28 0:0:0:0:0:ffff:8ff3:261c
143.243.38.29 0:0:0:0:0:ffff:8ff3:261d
143.243.38.30 0:0:0:0:0:ffff:8ff3:261e
143.243.38.31 0:0:0:0:0:ffff:8ff3:261f
143.243.38.32 0:0:0:0:0:ffff:8ff3:2620
143.243.38.33 0:0:0:0:0:ffff:8ff3:2621
143.243.38.34 0:0:0:0:0:ffff:8ff3:2622
143.243.38.35 0:0:0:0:0:ffff:8ff3:2623
143.243.38.36 0:0:0:0:0:ffff:8ff3:2624
143.243.38.37 0:0:0:0:0:ffff:8ff3:2625
143.243.38.38 0:0:0:0:0:ffff:8ff3:2626
143.243.38.39 0:0:0:0:0:ffff:8ff3:2627
143.243.38.40 0:0:0:0:0:ffff:8ff3:2628
143.243.38.41 0:0:0:0:0:ffff:8ff3:2629
143.243.38.42 0:0:0:0:0:ffff:8ff3:262a
143.243.38.43 0:0:0:0:0:ffff:8ff3:262b
143.243.38.44 0:0:0:0:0:ffff:8ff3:262c
143.243.38.45 0:0:0:0:0:ffff:8ff3:262d
143.243.38.46 0:0:0:0:0:ffff:8ff3:262e
143.243.38.47 0:0:0:0:0:ffff:8ff3:262f
143.243.38.48 0:0:0:0:0:ffff:8ff3:2630
143.243.38.49 0:0:0:0:0:ffff:8ff3:2631
143.243.38.50 0:0:0:0:0:ffff:8ff3:2632
143.243.38.51 0:0:0:0:0:ffff:8ff3:2633
143.243.38.52 0:0:0:0:0:ffff:8ff3:2634
143.243.38.53 0:0:0:0:0:ffff:8ff3:2635
143.243.38.54 0:0:0:0:0:ffff:8ff3:2636
143.243.38.55 0:0:0:0:0:ffff:8ff3:2637
143.243.38.56 0:0:0:0:0:ffff:8ff3:2638
143.243.38.57 0:0:0:0:0:ffff:8ff3:2639
143.243.38.58 0:0:0:0:0:ffff:8ff3:263a
143.243.38.59 0:0:0:0:0:ffff:8ff3:263b
143.243.38.60 0:0:0:0:0:ffff:8ff3:263c


143.243.38.61 0:0:0:0:0:ffff:8ff3:263d
143.243.38.62 0:0:0:0:0:ffff:8ff3:263e
143.243.38.63 0:0:0:0:0:ffff:8ff3:263f
143.243.38.64 0:0:0:0:0:ffff:8ff3:2640
143.243.38.65 0:0:0:0:0:ffff:8ff3:2641
143.243.38.66 0:0:0:0:0:ffff:8ff3:2642
143.243.38.67 0:0:0:0:0:ffff:8ff3:2643
143.243.38.68 0:0:0:0:0:ffff:8ff3:2644
143.243.38.69 0:0:0:0:0:ffff:8ff3:2645
143.243.38.70 0:0:0:0:0:ffff:8ff3:2646
143.243.38.71 0:0:0:0:0:ffff:8ff3:2647
143.243.38.72 0:0:0:0:0:ffff:8ff3:2648
143.243.38.73 0:0:0:0:0:ffff:8ff3:2649
143.243.38.74 0:0:0:0:0:ffff:8ff3:264a
143.243.38.75 0:0:0:0:0:ffff:8ff3:264b
143.243.38.76 0:0:0:0:0:ffff:8ff3:264c
143.243.38.77 0:0:0:0:0:ffff:8ff3:264d
143.243.38.78 0:0:0:0:0:ffff:8ff3:264e
143.243.38.79 0:0:0:0:0:ffff:8ff3:264f
143.243.38.80 0:0:0:0:0:ffff:8ff3:2650
143.243.38.81 0:0:0:0:0:ffff:8ff3:2651
143.243.38.82 0:0:0:0:0:ffff:8ff3:2652
143.243.38.83 0:0:0:0:0:ffff:8ff3:2653
143.243.38.84 0:0:0:0:0:ffff:8ff3:2654
143.243.38.85 0:0:0:0:0:ffff:8ff3:2655
143.243.38.86 0:0:0:0:0:ffff:8ff3:2656
143.243.38.87 0:0:0:0:0:ffff:8ff3:2657
143.243.38.88 0:0:0:0:0:ffff:8ff3:2658
143.243.38.89 0:0:0:0:0:ffff:8ff3:2659
143.243.38.90 0:0:0:0:0:ffff:8ff3:265a
143.243.38.91 0:0:0:0:0:ffff:8ff3:265b
143.243.38.92 0:0:0:0:0:ffff:8ff3:265c
143.243.38.93 0:0:0:0:0:ffff:8ff3:265d
143.243.38.94 0:0:0:0:0:ffff:8ff3:265e
143.243.38.95 0:0:0:0:0:ffff:8ff3:265f
143.243.38.96 0:0:0:0:0:ffff:8ff3:2660
143.243.38.97 0:0:0:0:0:ffff:8ff3:2661
143.243.38.98 0:0:0:0:0:ffff:8ff3:2662
143.243.38.99 0:0:0:0:0:ffff:8ff3:2663
143.243.38.100 0:0:0:0:0:ffff:8ff3:2664
143.243.38.101 0:0:0:0:0:ffff:8ff3:2665
143.243.38.102 0:0:0:0:0:ffff:8ff3:2666
143.243.38.103 0:0:0:0:0:ffff:8ff3:2667
143.243.38.104 0:0:0:0:0:ffff:8ff3:2668
143.243.38.105 0:0:0:0:0:ffff:8ff3:2669
143.243.38.106 0:0:0:0:0:ffff:8ff3:266a
143.243.38.107 0:0:0:0:0:ffff:8ff3:266b
143.243.38.108 0:0:0:0:0:ffff:8ff3:266c
143.243.38.109 0:0:0:0:0:ffff:8ff3:266d
143.243.38.110 0:0:0:0:0:ffff:8ff3:266e
143.243.38.111 0:0:0:0:0:ffff:8ff3:266f
143.243.38.112 0:0:0:0:0:ffff:8ff3:2670
143.243.38.113 0:0:0:0:0:ffff:8ff3:2671
143.243.38.114 0:0:0:0:0:ffff:8ff3:2672
143.243.38.115 0:0:0:0:0:ffff:8ff3:2673
143.243.38.116 0:0:0:0:0:ffff:8ff3:2674
143.243.38.117 0:0:0:0:0:ffff:8ff3:2675
143.243.38.118 0:0:0:0:0:ffff:8ff3:2676
143.243.38.119 0:0:0:0:0:ffff:8ff3:2677
143.243.38.120 0:0:0:0:0:ffff:8ff3:2678


143.243.38.121 0:0:0:0:0:ffff:8ff3:2679
143.243.38.122 0:0:0:0:0:ffff:8ff3:267a
143.243.38.123 0:0:0:0:0:ffff:8ff3:267b
143.243.38.124 0:0:0:0:0:ffff:8ff3:267c
143.243.38.125 0:0:0:0:0:ffff:8ff3:267d
143.243.38.126 0:0:0:0:0:ffff:8ff3:267e
143.243.38.127 0:0:0:0:0:ffff:8ff3:267f
143.243.38.128 0:0:0:0:0:ffff:8ff3:2680
143.243.38.129 0:0:0:0:0:ffff:8ff3:2681
143.243.38.130 0:0:0:0:0:ffff:8ff3:2682
143.243.38.131 0:0:0:0:0:ffff:8ff3:2683
143.243.38.132 0:0:0:0:0:ffff:8ff3:2684
143.243.38.133 0:0:0:0:0:ffff:8ff3:2685
143.243.38.134 0:0:0:0:0:ffff:8ff3:2686
143.243.38.135 0:0:0:0:0:ffff:8ff3:2687
143.243.38.136 0:0:0:0:0:ffff:8ff3:2688
143.243.38.137 0:0:0:0:0:ffff:8ff3:2689
143.243.38.138 0:0:0:0:0:ffff:8ff3:268a
143.243.38.139 0:0:0:0:0:ffff:8ff3:268b
143.243.38.140 0:0:0:0:0:ffff:8ff3:268c
143.243.38.141 0:0:0:0:0:ffff:8ff3:268d
143.243.38.142 0:0:0:0:0:ffff:8ff3:268e
143.243.38.143 0:0:0:0:0:ffff:8ff3:268f
143.243.38.144 0:0:0:0:0:ffff:8ff3:2690
143.243.38.145 0:0:0:0:0:ffff:8ff3:2691
143.243.38.146 0:0:0:0:0:ffff:8ff3:2692
143.243.38.147 0:0:0:0:0:ffff:8ff3:2693
143.243.38.148 0:0:0:0:0:ffff:8ff3:2694
143.243.38.149 0:0:0:0:0:ffff:8ff3:2695
143.243.38.150 0:0:0:0:0:ffff:8ff3:2696
143.243.38.151 0:0:0:0:0:ffff:8ff3:2697
143.243.38.152 0:0:0:0:0:ffff:8ff3:2698
143.243.38.153 0:0:0:0:0:ffff:8ff3:2699
143.243.38.154 0:0:0:0:0:ffff:8ff3:269a
143.243.38.155 0:0:0:0:0:ffff:8ff3:269b
143.243.38.156 0:0:0:0:0:ffff:8ff3:269c
143.243.38.157 0:0:0:0:0:ffff:8ff3:269d
143.243.38.158 0:0:0:0:0:ffff:8ff3:269e
143.243.38.159 0:0:0:0:0:ffff:8ff3:269f
143.243.38.160 0:0:0:0:0:ffff:8ff3:26a0
143.243.38.161 0:0:0:0:0:ffff:8ff3:26a1
143.243.38.162 0:0:0:0:0:ffff:8ff3:26a2
143.243.38.163 0:0:0:0:0:ffff:8ff3:26a3
143.243.38.164 0:0:0:0:0:ffff:8ff3:26a4
143.243.38.165 0:0:0:0:0:ffff:8ff3:26a5
143.243.38.166 0:0:0:0:0:ffff:8ff3:26a6
143.243.38.167 0:0:0:0:0:ffff:8ff3:26a7
143.243.38.168 0:0:0:0:0:ffff:8ff3:26a8
143.243.38.169 0:0:0:0:0:ffff:8ff3:26a9
143.243.38.170 0:0:0:0:0:ffff:8ff3:26aa
143.243.38.171 0:0:0:0:0:ffff:8ff3:26ab
143.243.38.172 0:0:0:0:0:ffff:8ff3:26ac
143.243.38.173 0:0:0:0:0:ffff:8ff3:26ad
143.243.38.174 0:0:0:0:0:ffff:8ff3:26ae
143.243.38.175 0:0:0:0:0:ffff:8ff3:26af
143.243.38.176 0:0:0:0:0:ffff:8ff3:26b0
143.243.38.177 0:0:0:0:0:ffff:8ff3:26b1
143.243.38.178 0:0:0:0:0:ffff:8ff3:26b2
143.243.38.179 0:0:0:0:0:ffff:8ff3:26b3
143.243.38.180 0:0:0:0:0:ffff:8ff3:26b4


143.243.38.181 0:0:0:0:0:ffff:8ff3:26b5
143.243.38.182 0:0:0:0:0:ffff:8ff3:26b6
143.243.38.183 0:0:0:0:0:ffff:8ff3:26b7
143.243.38.184 0:0:0:0:0:ffff:8ff3:26b8
143.243.38.185 0:0:0:0:0:ffff:8ff3:26b9
143.243.38.186 0:0:0:0:0:ffff:8ff3:26ba
143.243.38.187 0:0:0:0:0:ffff:8ff3:26bb
143.243.38.188 0:0:0:0:0:ffff:8ff3:26bc
143.243.38.189 0:0:0:0:0:ffff:8ff3:26bd
143.243.38.190 0:0:0:0:0:ffff:8ff3:26be
143.243.38.191 0:0:0:0:0:ffff:8ff3:26bf
143.243.38.192 0:0:0:0:0:ffff:8ff3:26c0
143.243.38.193 0:0:0:0:0:ffff:8ff3:26c1
143.243.38.194 0:0:0:0:0:ffff:8ff3:26c2
143.243.38.195 0:0:0:0:0:ffff:8ff3:26c3
143.243.38.196 0:0:0:0:0:ffff:8ff3:26c4
143.243.38.197 0:0:0:0:0:ffff:8ff3:26c5
143.243.38.198 0:0:0:0:0:ffff:8ff3:26c6
143.243.38.199 0:0:0:0:0:ffff:8ff3:26c7
143.243.38.200 0:0:0:0:0:ffff:8ff3:26c8
143.243.38.201 0:0:0:0:0:ffff:8ff3:26c9
143.243.38.202 0:0:0:0:0:ffff:8ff3:26ca
143.243.38.203 0:0:0:0:0:ffff:8ff3:26cb
143.243.38.204 0:0:0:0:0:ffff:8ff3:26cc
143.243.38.205 0:0:0:0:0:ffff:8ff3:26cd
143.243.38.206 0:0:0:0:0:ffff:8ff3:26ce
143.243.38.207 0:0:0:0:0:ffff:8ff3:26cf
143.243.38.208 0:0:0:0:0:ffff:8ff3:26d0
143.243.38.209 0:0:0:0:0:ffff:8ff3:26d1
143.243.38.210 0:0:0:0:0:ffff:8ff3:26d2
143.243.38.211 0:0:0:0:0:ffff:8ff3:26d3
143.243.38.212 0:0:0:0:0:ffff:8ff3:26d4
143.243.38.213 0:0:0:0:0:ffff:8ff3:26d5
143.243.38.214 0:0:0:0:0:ffff:8ff3:26d6
143.243.38.215 0:0:0:0:0:ffff:8ff3:26d7
143.243.38.216 0:0:0:0:0:ffff:8ff3:26d8
143.243.38.217 0:0:0:0:0:ffff:8ff3:26d9
143.243.38.218 0:0:0:0:0:ffff:8ff3:26da
143.243.38.219 0:0:0:0:0:ffff:8ff3:26db
143.243.38.220 0:0:0:0:0:ffff:8ff3:26dc
143.243.38.221 0:0:0:0:0:ffff:8ff3:26dd
143.243.38.222 0:0:0:0:0:ffff:8ff3:26de
143.243.38.223 0:0:0:0:0:ffff:8ff3:26df
143.243.38.224 0:0:0:0:0:ffff:8ff3:26e0
143.243.38.225 0:0:0:0:0:ffff:8ff3:26e1
143.243.38.226 0:0:0:0:0:ffff:8ff3:26e2
143.243.38.227 0:0:0:0:0:ffff:8ff3:26e3
143.243.38.228 0:0:0:0:0:ffff:8ff3:26e4
143.243.38.229 0:0:0:0:0:ffff:8ff3:26e5
143.243.38.230 0:0:0:0:0:ffff:8ff3:26e6
143.243.38.231 0:0:0:0:0:ffff:8ff3:26e7
143.243.38.232 0:0:0:0:0:ffff:8ff3:26e8
143.243.38.233 0:0:0:0:0:ffff:8ff3:26e9
143.243.38.234 0:0:0:0:0:ffff:8ff3:26ea
143.243.38.235 0:0:0:0:0:ffff:8ff3:26eb
143.243.38.236 0:0:0:0:0:ffff:8ff3:26ec
143.243.38.237 0:0:0:0:0:ffff:8ff3:26ed
143.243.38.238 0:0:0:0:0:ffff:8ff3:26ee
143.243.38.239 0:0:0:0:0:ffff:8ff3:26ef
143.243.38.240 0:0:0:0:0:ffff:8ff3:26f0
143.243.38.241 0:0:0:0:0:ffff:8ff3:26f1
143.243.38.242 0:0:0:0:0:ffff:8ff3:26f2
143.243.38.243 0:0:0:0:0:ffff:8ff3:26f3
143.243.38.244 0:0:0:0:0:ffff:8ff3:26f4
143.243.38.245 0:0:0:0:0:ffff:8ff3:26f5
143.243.38.246 0:0:0:0:0:ffff:8ff3:26f6
143.243.38.247 0:0:0:0:0:ffff:8ff3:26f7
143.243.38.248 0:0:0:0:0:ffff:8ff3:26f8
143.243.38.249 0:0:0:0:0:ffff:8ff3:26f9
143.243.38.250 0:0:0:0:0:ffff:8ff3:26fa
143.243.38.251 0:0:0:0:0:ffff:8ff3:26fb
143.243.38.252 0:0:0:0:0:ffff:8ff3:26fc
143.243.38.253 0:0:0:0:0:ffff:8ff3:26fd
143.243.38.254 0:0:0:0:0:ffff:8ff3:26fe
143.243.38.255 0:0:0:0:0:ffff:8ff3:26ff


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.