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
73.28.38.1 0:0:0:0:0:ffff:491c:2601
73.28.38.2 0:0:0:0:0:ffff:491c:2602
73.28.38.3 0:0:0:0:0:ffff:491c:2603
73.28.38.4 0:0:0:0:0:ffff:491c:2604
73.28.38.5 0:0:0:0:0:ffff:491c:2605
73.28.38.6 0:0:0:0:0:ffff:491c:2606
73.28.38.7 0:0:0:0:0:ffff:491c:2607
73.28.38.8 0:0:0:0:0:ffff:491c:2608
73.28.38.9 0:0:0:0:0:ffff:491c:2609
73.28.38.10 0:0:0:0:0:ffff:491c:260a
73.28.38.11 0:0:0:0:0:ffff:491c:260b
73.28.38.12 0:0:0:0:0:ffff:491c:260c
73.28.38.13 0:0:0:0:0:ffff:491c:260d
73.28.38.14 0:0:0:0:0:ffff:491c:260e
73.28.38.15 0:0:0:0:0:ffff:491c:260f
73.28.38.16 0:0:0:0:0:ffff:491c:2610
73.28.38.17 0:0:0:0:0:ffff:491c:2611
73.28.38.18 0:0:0:0:0:ffff:491c:2612
73.28.38.19 0:0:0:0:0:ffff:491c:2613
73.28.38.20 0:0:0:0:0:ffff:491c:2614
73.28.38.21 0:0:0:0:0:ffff:491c:2615
73.28.38.22 0:0:0:0:0:ffff:491c:2616
73.28.38.23 0:0:0:0:0:ffff:491c:2617
73.28.38.24 0:0:0:0:0:ffff:491c:2618
73.28.38.25 0:0:0:0:0:ffff:491c:2619
73.28.38.26 0:0:0:0:0:ffff:491c:261a
73.28.38.27 0:0:0:0:0:ffff:491c:261b
73.28.38.28 0:0:0:0:0:ffff:491c:261c
73.28.38.29 0:0:0:0:0:ffff:491c:261d
73.28.38.30 0:0:0:0:0:ffff:491c:261e
73.28.38.31 0:0:0:0:0:ffff:491c:261f
73.28.38.32 0:0:0:0:0:ffff:491c:2620
73.28.38.33 0:0:0:0:0:ffff:491c:2621
73.28.38.34 0:0:0:0:0:ffff:491c:2622
73.28.38.35 0:0:0:0:0:ffff:491c:2623
73.28.38.36 0:0:0:0:0:ffff:491c:2624
73.28.38.37 0:0:0:0:0:ffff:491c:2625
73.28.38.38 0:0:0:0:0:ffff:491c:2626
73.28.38.39 0:0:0:0:0:ffff:491c:2627
73.28.38.40 0:0:0:0:0:ffff:491c:2628
73.28.38.41 0:0:0:0:0:ffff:491c:2629
73.28.38.42 0:0:0:0:0:ffff:491c:262a
73.28.38.43 0:0:0:0:0:ffff:491c:262b
73.28.38.44 0:0:0:0:0:ffff:491c:262c
73.28.38.45 0:0:0:0:0:ffff:491c:262d
73.28.38.46 0:0:0:0:0:ffff:491c:262e
73.28.38.47 0:0:0:0:0:ffff:491c:262f
73.28.38.48 0:0:0:0:0:ffff:491c:2630
73.28.38.49 0:0:0:0:0:ffff:491c:2631
73.28.38.50 0:0:0:0:0:ffff:491c:2632
73.28.38.51 0:0:0:0:0:ffff:491c:2633
73.28.38.52 0:0:0:0:0:ffff:491c:2634
73.28.38.53 0:0:0:0:0:ffff:491c:2635
73.28.38.54 0:0:0:0:0:ffff:491c:2636
73.28.38.55 0:0:0:0:0:ffff:491c:2637
73.28.38.56 0:0:0:0:0:ffff:491c:2638
73.28.38.57 0:0:0:0:0:ffff:491c:2639
73.28.38.58 0:0:0:0:0:ffff:491c:263a
73.28.38.59 0:0:0:0:0:ffff:491c:263b
73.28.38.60 0:0:0:0:0:ffff:491c:263c


73.28.38.61 0:0:0:0:0:ffff:491c:263d
73.28.38.62 0:0:0:0:0:ffff:491c:263e
73.28.38.63 0:0:0:0:0:ffff:491c:263f
73.28.38.64 0:0:0:0:0:ffff:491c:2640
73.28.38.65 0:0:0:0:0:ffff:491c:2641
73.28.38.66 0:0:0:0:0:ffff:491c:2642
73.28.38.67 0:0:0:0:0:ffff:491c:2643
73.28.38.68 0:0:0:0:0:ffff:491c:2644
73.28.38.69 0:0:0:0:0:ffff:491c:2645
73.28.38.70 0:0:0:0:0:ffff:491c:2646
73.28.38.71 0:0:0:0:0:ffff:491c:2647
73.28.38.72 0:0:0:0:0:ffff:491c:2648
73.28.38.73 0:0:0:0:0:ffff:491c:2649
73.28.38.74 0:0:0:0:0:ffff:491c:264a
73.28.38.75 0:0:0:0:0:ffff:491c:264b
73.28.38.76 0:0:0:0:0:ffff:491c:264c
73.28.38.77 0:0:0:0:0:ffff:491c:264d
73.28.38.78 0:0:0:0:0:ffff:491c:264e
73.28.38.79 0:0:0:0:0:ffff:491c:264f
73.28.38.80 0:0:0:0:0:ffff:491c:2650
73.28.38.81 0:0:0:0:0:ffff:491c:2651
73.28.38.82 0:0:0:0:0:ffff:491c:2652
73.28.38.83 0:0:0:0:0:ffff:491c:2653
73.28.38.84 0:0:0:0:0:ffff:491c:2654
73.28.38.85 0:0:0:0:0:ffff:491c:2655
73.28.38.86 0:0:0:0:0:ffff:491c:2656
73.28.38.87 0:0:0:0:0:ffff:491c:2657
73.28.38.88 0:0:0:0:0:ffff:491c:2658
73.28.38.89 0:0:0:0:0:ffff:491c:2659
73.28.38.90 0:0:0:0:0:ffff:491c:265a
73.28.38.91 0:0:0:0:0:ffff:491c:265b
73.28.38.92 0:0:0:0:0:ffff:491c:265c
73.28.38.93 0:0:0:0:0:ffff:491c:265d
73.28.38.94 0:0:0:0:0:ffff:491c:265e
73.28.38.95 0:0:0:0:0:ffff:491c:265f
73.28.38.96 0:0:0:0:0:ffff:491c:2660
73.28.38.97 0:0:0:0:0:ffff:491c:2661
73.28.38.98 0:0:0:0:0:ffff:491c:2662
73.28.38.99 0:0:0:0:0:ffff:491c:2663
73.28.38.100 0:0:0:0:0:ffff:491c:2664
73.28.38.101 0:0:0:0:0:ffff:491c:2665
73.28.38.102 0:0:0:0:0:ffff:491c:2666
73.28.38.103 0:0:0:0:0:ffff:491c:2667
73.28.38.104 0:0:0:0:0:ffff:491c:2668
73.28.38.105 0:0:0:0:0:ffff:491c:2669
73.28.38.106 0:0:0:0:0:ffff:491c:266a
73.28.38.107 0:0:0:0:0:ffff:491c:266b
73.28.38.108 0:0:0:0:0:ffff:491c:266c
73.28.38.109 0:0:0:0:0:ffff:491c:266d
73.28.38.110 0:0:0:0:0:ffff:491c:266e
73.28.38.111 0:0:0:0:0:ffff:491c:266f
73.28.38.112 0:0:0:0:0:ffff:491c:2670
73.28.38.113 0:0:0:0:0:ffff:491c:2671
73.28.38.114 0:0:0:0:0:ffff:491c:2672
73.28.38.115 0:0:0:0:0:ffff:491c:2673
73.28.38.116 0:0:0:0:0:ffff:491c:2674
73.28.38.117 0:0:0:0:0:ffff:491c:2675
73.28.38.118 0:0:0:0:0:ffff:491c:2676
73.28.38.119 0:0:0:0:0:ffff:491c:2677
73.28.38.120 0:0:0:0:0:ffff:491c:2678


73.28.38.121 0:0:0:0:0:ffff:491c:2679
73.28.38.122 0:0:0:0:0:ffff:491c:267a
73.28.38.123 0:0:0:0:0:ffff:491c:267b
73.28.38.124 0:0:0:0:0:ffff:491c:267c
73.28.38.125 0:0:0:0:0:ffff:491c:267d
73.28.38.126 0:0:0:0:0:ffff:491c:267e
73.28.38.127 0:0:0:0:0:ffff:491c:267f
73.28.38.128 0:0:0:0:0:ffff:491c:2680
73.28.38.129 0:0:0:0:0:ffff:491c:2681
73.28.38.130 0:0:0:0:0:ffff:491c:2682
73.28.38.131 0:0:0:0:0:ffff:491c:2683
73.28.38.132 0:0:0:0:0:ffff:491c:2684
73.28.38.133 0:0:0:0:0:ffff:491c:2685
73.28.38.134 0:0:0:0:0:ffff:491c:2686
73.28.38.135 0:0:0:0:0:ffff:491c:2687
73.28.38.136 0:0:0:0:0:ffff:491c:2688
73.28.38.137 0:0:0:0:0:ffff:491c:2689
73.28.38.138 0:0:0:0:0:ffff:491c:268a
73.28.38.139 0:0:0:0:0:ffff:491c:268b
73.28.38.140 0:0:0:0:0:ffff:491c:268c
73.28.38.141 0:0:0:0:0:ffff:491c:268d
73.28.38.142 0:0:0:0:0:ffff:491c:268e
73.28.38.143 0:0:0:0:0:ffff:491c:268f
73.28.38.144 0:0:0:0:0:ffff:491c:2690
73.28.38.145 0:0:0:0:0:ffff:491c:2691
73.28.38.146 0:0:0:0:0:ffff:491c:2692
73.28.38.147 0:0:0:0:0:ffff:491c:2693
73.28.38.148 0:0:0:0:0:ffff:491c:2694
73.28.38.149 0:0:0:0:0:ffff:491c:2695
73.28.38.150 0:0:0:0:0:ffff:491c:2696
73.28.38.151 0:0:0:0:0:ffff:491c:2697
73.28.38.152 0:0:0:0:0:ffff:491c:2698
73.28.38.153 0:0:0:0:0:ffff:491c:2699
73.28.38.154 0:0:0:0:0:ffff:491c:269a
73.28.38.155 0:0:0:0:0:ffff:491c:269b
73.28.38.156 0:0:0:0:0:ffff:491c:269c
73.28.38.157 0:0:0:0:0:ffff:491c:269d
73.28.38.158 0:0:0:0:0:ffff:491c:269e
73.28.38.159 0:0:0:0:0:ffff:491c:269f
73.28.38.160 0:0:0:0:0:ffff:491c:26a0
73.28.38.161 0:0:0:0:0:ffff:491c:26a1
73.28.38.162 0:0:0:0:0:ffff:491c:26a2
73.28.38.163 0:0:0:0:0:ffff:491c:26a3
73.28.38.164 0:0:0:0:0:ffff:491c:26a4
73.28.38.165 0:0:0:0:0:ffff:491c:26a5
73.28.38.166 0:0:0:0:0:ffff:491c:26a6
73.28.38.167 0:0:0:0:0:ffff:491c:26a7
73.28.38.168 0:0:0:0:0:ffff:491c:26a8
73.28.38.169 0:0:0:0:0:ffff:491c:26a9
73.28.38.170 0:0:0:0:0:ffff:491c:26aa
73.28.38.171 0:0:0:0:0:ffff:491c:26ab
73.28.38.172 0:0:0:0:0:ffff:491c:26ac
73.28.38.173 0:0:0:0:0:ffff:491c:26ad
73.28.38.174 0:0:0:0:0:ffff:491c:26ae
73.28.38.175 0:0:0:0:0:ffff:491c:26af
73.28.38.176 0:0:0:0:0:ffff:491c:26b0
73.28.38.177 0:0:0:0:0:ffff:491c:26b1
73.28.38.178 0:0:0:0:0:ffff:491c:26b2
73.28.38.179 0:0:0:0:0:ffff:491c:26b3
73.28.38.180 0:0:0:0:0:ffff:491c:26b4


73.28.38.181 0:0:0:0:0:ffff:491c:26b5
73.28.38.182 0:0:0:0:0:ffff:491c:26b6
73.28.38.183 0:0:0:0:0:ffff:491c:26b7
73.28.38.184 0:0:0:0:0:ffff:491c:26b8
73.28.38.185 0:0:0:0:0:ffff:491c:26b9
73.28.38.186 0:0:0:0:0:ffff:491c:26ba
73.28.38.187 0:0:0:0:0:ffff:491c:26bb
73.28.38.188 0:0:0:0:0:ffff:491c:26bc
73.28.38.189 0:0:0:0:0:ffff:491c:26bd
73.28.38.190 0:0:0:0:0:ffff:491c:26be
73.28.38.191 0:0:0:0:0:ffff:491c:26bf
73.28.38.192 0:0:0:0:0:ffff:491c:26c0
73.28.38.193 0:0:0:0:0:ffff:491c:26c1
73.28.38.194 0:0:0:0:0:ffff:491c:26c2
73.28.38.195 0:0:0:0:0:ffff:491c:26c3
73.28.38.196 0:0:0:0:0:ffff:491c:26c4
73.28.38.197 0:0:0:0:0:ffff:491c:26c5
73.28.38.198 0:0:0:0:0:ffff:491c:26c6
73.28.38.199 0:0:0:0:0:ffff:491c:26c7
73.28.38.200 0:0:0:0:0:ffff:491c:26c8
73.28.38.201 0:0:0:0:0:ffff:491c:26c9
73.28.38.202 0:0:0:0:0:ffff:491c:26ca
73.28.38.203 0:0:0:0:0:ffff:491c:26cb
73.28.38.204 0:0:0:0:0:ffff:491c:26cc
73.28.38.205 0:0:0:0:0:ffff:491c:26cd
73.28.38.206 0:0:0:0:0:ffff:491c:26ce
73.28.38.207 0:0:0:0:0:ffff:491c:26cf
73.28.38.208 0:0:0:0:0:ffff:491c:26d0
73.28.38.209 0:0:0:0:0:ffff:491c:26d1
73.28.38.210 0:0:0:0:0:ffff:491c:26d2
73.28.38.211 0:0:0:0:0:ffff:491c:26d3
73.28.38.212 0:0:0:0:0:ffff:491c:26d4
73.28.38.213 0:0:0:0:0:ffff:491c:26d5
73.28.38.214 0:0:0:0:0:ffff:491c:26d6
73.28.38.215 0:0:0:0:0:ffff:491c:26d7
73.28.38.216 0:0:0:0:0:ffff:491c:26d8
73.28.38.217 0:0:0:0:0:ffff:491c:26d9
73.28.38.218 0:0:0:0:0:ffff:491c:26da
73.28.38.219 0:0:0:0:0:ffff:491c:26db
73.28.38.220 0:0:0:0:0:ffff:491c:26dc
73.28.38.221 0:0:0:0:0:ffff:491c:26dd
73.28.38.222 0:0:0:0:0:ffff:491c:26de
73.28.38.223 0:0:0:0:0:ffff:491c:26df
73.28.38.224 0:0:0:0:0:ffff:491c:26e0
73.28.38.225 0:0:0:0:0:ffff:491c:26e1
73.28.38.226 0:0:0:0:0:ffff:491c:26e2
73.28.38.227 0:0:0:0:0:ffff:491c:26e3
73.28.38.228 0:0:0:0:0:ffff:491c:26e4
73.28.38.229 0:0:0:0:0:ffff:491c:26e5
73.28.38.230 0:0:0:0:0:ffff:491c:26e6
73.28.38.231 0:0:0:0:0:ffff:491c:26e7
73.28.38.232 0:0:0:0:0:ffff:491c:26e8
73.28.38.233 0:0:0:0:0:ffff:491c:26e9
73.28.38.234 0:0:0:0:0:ffff:491c:26ea
73.28.38.235 0:0:0:0:0:ffff:491c:26eb
73.28.38.236 0:0:0:0:0:ffff:491c:26ec
73.28.38.237 0:0:0:0:0:ffff:491c:26ed
73.28.38.238 0:0:0:0:0:ffff:491c:26ee
73.28.38.239 0:0:0:0:0:ffff:491c:26ef
73.28.38.240 0:0:0:0:0:ffff:491c:26f0
73.28.38.241 0:0:0:0:0:ffff:491c:26f1
73.28.38.242 0:0:0:0:0:ffff:491c:26f2
73.28.38.243 0:0:0:0:0:ffff:491c:26f3
73.28.38.244 0:0:0:0:0:ffff:491c:26f4
73.28.38.245 0:0:0:0:0:ffff:491c:26f5
73.28.38.246 0:0:0:0:0:ffff:491c:26f6
73.28.38.247 0:0:0:0:0:ffff:491c:26f7
73.28.38.248 0:0:0:0:0:ffff:491c:26f8
73.28.38.249 0:0:0:0:0:ffff:491c:26f9
73.28.38.250 0:0:0:0:0:ffff:491c:26fa
73.28.38.251 0:0:0:0:0:ffff:491c:26fb
73.28.38.252 0:0:0:0:0:ffff:491c:26fc
73.28.38.253 0:0:0:0:0:ffff:491c:26fd
73.28.38.254 0:0:0:0:0:ffff:491c:26fe
73.28.38.255 0:0:0:0:0:ffff:491c: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.