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
66.219.38.1 0:0:0:0:0:ffff:42db:2601
66.219.38.2 0:0:0:0:0:ffff:42db:2602
66.219.38.3 0:0:0:0:0:ffff:42db:2603
66.219.38.4 0:0:0:0:0:ffff:42db:2604
66.219.38.5 0:0:0:0:0:ffff:42db:2605
66.219.38.6 0:0:0:0:0:ffff:42db:2606
66.219.38.7 0:0:0:0:0:ffff:42db:2607
66.219.38.8 0:0:0:0:0:ffff:42db:2608
66.219.38.9 0:0:0:0:0:ffff:42db:2609
66.219.38.10 0:0:0:0:0:ffff:42db:260a
66.219.38.11 0:0:0:0:0:ffff:42db:260b
66.219.38.12 0:0:0:0:0:ffff:42db:260c
66.219.38.13 0:0:0:0:0:ffff:42db:260d
66.219.38.14 0:0:0:0:0:ffff:42db:260e
66.219.38.15 0:0:0:0:0:ffff:42db:260f
66.219.38.16 0:0:0:0:0:ffff:42db:2610
66.219.38.17 0:0:0:0:0:ffff:42db:2611
66.219.38.18 0:0:0:0:0:ffff:42db:2612
66.219.38.19 0:0:0:0:0:ffff:42db:2613
66.219.38.20 0:0:0:0:0:ffff:42db:2614
66.219.38.21 0:0:0:0:0:ffff:42db:2615
66.219.38.22 0:0:0:0:0:ffff:42db:2616
66.219.38.23 0:0:0:0:0:ffff:42db:2617
66.219.38.24 0:0:0:0:0:ffff:42db:2618
66.219.38.25 0:0:0:0:0:ffff:42db:2619
66.219.38.26 0:0:0:0:0:ffff:42db:261a
66.219.38.27 0:0:0:0:0:ffff:42db:261b
66.219.38.28 0:0:0:0:0:ffff:42db:261c
66.219.38.29 0:0:0:0:0:ffff:42db:261d
66.219.38.30 0:0:0:0:0:ffff:42db:261e
66.219.38.31 0:0:0:0:0:ffff:42db:261f
66.219.38.32 0:0:0:0:0:ffff:42db:2620
66.219.38.33 0:0:0:0:0:ffff:42db:2621
66.219.38.34 0:0:0:0:0:ffff:42db:2622
66.219.38.35 0:0:0:0:0:ffff:42db:2623
66.219.38.36 0:0:0:0:0:ffff:42db:2624
66.219.38.37 0:0:0:0:0:ffff:42db:2625
66.219.38.38 0:0:0:0:0:ffff:42db:2626
66.219.38.39 0:0:0:0:0:ffff:42db:2627
66.219.38.40 0:0:0:0:0:ffff:42db:2628
66.219.38.41 0:0:0:0:0:ffff:42db:2629
66.219.38.42 0:0:0:0:0:ffff:42db:262a
66.219.38.43 0:0:0:0:0:ffff:42db:262b
66.219.38.44 0:0:0:0:0:ffff:42db:262c
66.219.38.45 0:0:0:0:0:ffff:42db:262d
66.219.38.46 0:0:0:0:0:ffff:42db:262e
66.219.38.47 0:0:0:0:0:ffff:42db:262f
66.219.38.48 0:0:0:0:0:ffff:42db:2630
66.219.38.49 0:0:0:0:0:ffff:42db:2631
66.219.38.50 0:0:0:0:0:ffff:42db:2632
66.219.38.51 0:0:0:0:0:ffff:42db:2633
66.219.38.52 0:0:0:0:0:ffff:42db:2634
66.219.38.53 0:0:0:0:0:ffff:42db:2635
66.219.38.54 0:0:0:0:0:ffff:42db:2636
66.219.38.55 0:0:0:0:0:ffff:42db:2637
66.219.38.56 0:0:0:0:0:ffff:42db:2638
66.219.38.57 0:0:0:0:0:ffff:42db:2639
66.219.38.58 0:0:0:0:0:ffff:42db:263a
66.219.38.59 0:0:0:0:0:ffff:42db:263b
66.219.38.60 0:0:0:0:0:ffff:42db:263c


66.219.38.61 0:0:0:0:0:ffff:42db:263d
66.219.38.62 0:0:0:0:0:ffff:42db:263e
66.219.38.63 0:0:0:0:0:ffff:42db:263f
66.219.38.64 0:0:0:0:0:ffff:42db:2640
66.219.38.65 0:0:0:0:0:ffff:42db:2641
66.219.38.66 0:0:0:0:0:ffff:42db:2642
66.219.38.67 0:0:0:0:0:ffff:42db:2643
66.219.38.68 0:0:0:0:0:ffff:42db:2644
66.219.38.69 0:0:0:0:0:ffff:42db:2645
66.219.38.70 0:0:0:0:0:ffff:42db:2646
66.219.38.71 0:0:0:0:0:ffff:42db:2647
66.219.38.72 0:0:0:0:0:ffff:42db:2648
66.219.38.73 0:0:0:0:0:ffff:42db:2649
66.219.38.74 0:0:0:0:0:ffff:42db:264a
66.219.38.75 0:0:0:0:0:ffff:42db:264b
66.219.38.76 0:0:0:0:0:ffff:42db:264c
66.219.38.77 0:0:0:0:0:ffff:42db:264d
66.219.38.78 0:0:0:0:0:ffff:42db:264e
66.219.38.79 0:0:0:0:0:ffff:42db:264f
66.219.38.80 0:0:0:0:0:ffff:42db:2650
66.219.38.81 0:0:0:0:0:ffff:42db:2651
66.219.38.82 0:0:0:0:0:ffff:42db:2652
66.219.38.83 0:0:0:0:0:ffff:42db:2653
66.219.38.84 0:0:0:0:0:ffff:42db:2654
66.219.38.85 0:0:0:0:0:ffff:42db:2655
66.219.38.86 0:0:0:0:0:ffff:42db:2656
66.219.38.87 0:0:0:0:0:ffff:42db:2657
66.219.38.88 0:0:0:0:0:ffff:42db:2658
66.219.38.89 0:0:0:0:0:ffff:42db:2659
66.219.38.90 0:0:0:0:0:ffff:42db:265a
66.219.38.91 0:0:0:0:0:ffff:42db:265b
66.219.38.92 0:0:0:0:0:ffff:42db:265c
66.219.38.93 0:0:0:0:0:ffff:42db:265d
66.219.38.94 0:0:0:0:0:ffff:42db:265e
66.219.38.95 0:0:0:0:0:ffff:42db:265f
66.219.38.96 0:0:0:0:0:ffff:42db:2660
66.219.38.97 0:0:0:0:0:ffff:42db:2661
66.219.38.98 0:0:0:0:0:ffff:42db:2662
66.219.38.99 0:0:0:0:0:ffff:42db:2663
66.219.38.100 0:0:0:0:0:ffff:42db:2664
66.219.38.101 0:0:0:0:0:ffff:42db:2665
66.219.38.102 0:0:0:0:0:ffff:42db:2666
66.219.38.103 0:0:0:0:0:ffff:42db:2667
66.219.38.104 0:0:0:0:0:ffff:42db:2668
66.219.38.105 0:0:0:0:0:ffff:42db:2669
66.219.38.106 0:0:0:0:0:ffff:42db:266a
66.219.38.107 0:0:0:0:0:ffff:42db:266b
66.219.38.108 0:0:0:0:0:ffff:42db:266c
66.219.38.109 0:0:0:0:0:ffff:42db:266d
66.219.38.110 0:0:0:0:0:ffff:42db:266e
66.219.38.111 0:0:0:0:0:ffff:42db:266f
66.219.38.112 0:0:0:0:0:ffff:42db:2670
66.219.38.113 0:0:0:0:0:ffff:42db:2671
66.219.38.114 0:0:0:0:0:ffff:42db:2672
66.219.38.115 0:0:0:0:0:ffff:42db:2673
66.219.38.116 0:0:0:0:0:ffff:42db:2674
66.219.38.117 0:0:0:0:0:ffff:42db:2675
66.219.38.118 0:0:0:0:0:ffff:42db:2676
66.219.38.119 0:0:0:0:0:ffff:42db:2677
66.219.38.120 0:0:0:0:0:ffff:42db:2678


66.219.38.121 0:0:0:0:0:ffff:42db:2679
66.219.38.122 0:0:0:0:0:ffff:42db:267a
66.219.38.123 0:0:0:0:0:ffff:42db:267b
66.219.38.124 0:0:0:0:0:ffff:42db:267c
66.219.38.125 0:0:0:0:0:ffff:42db:267d
66.219.38.126 0:0:0:0:0:ffff:42db:267e
66.219.38.127 0:0:0:0:0:ffff:42db:267f
66.219.38.128 0:0:0:0:0:ffff:42db:2680
66.219.38.129 0:0:0:0:0:ffff:42db:2681
66.219.38.130 0:0:0:0:0:ffff:42db:2682
66.219.38.131 0:0:0:0:0:ffff:42db:2683
66.219.38.132 0:0:0:0:0:ffff:42db:2684
66.219.38.133 0:0:0:0:0:ffff:42db:2685
66.219.38.134 0:0:0:0:0:ffff:42db:2686
66.219.38.135 0:0:0:0:0:ffff:42db:2687
66.219.38.136 0:0:0:0:0:ffff:42db:2688
66.219.38.137 0:0:0:0:0:ffff:42db:2689
66.219.38.138 0:0:0:0:0:ffff:42db:268a
66.219.38.139 0:0:0:0:0:ffff:42db:268b
66.219.38.140 0:0:0:0:0:ffff:42db:268c
66.219.38.141 0:0:0:0:0:ffff:42db:268d
66.219.38.142 0:0:0:0:0:ffff:42db:268e
66.219.38.143 0:0:0:0:0:ffff:42db:268f
66.219.38.144 0:0:0:0:0:ffff:42db:2690
66.219.38.145 0:0:0:0:0:ffff:42db:2691
66.219.38.146 0:0:0:0:0:ffff:42db:2692
66.219.38.147 0:0:0:0:0:ffff:42db:2693
66.219.38.148 0:0:0:0:0:ffff:42db:2694
66.219.38.149 0:0:0:0:0:ffff:42db:2695
66.219.38.150 0:0:0:0:0:ffff:42db:2696
66.219.38.151 0:0:0:0:0:ffff:42db:2697
66.219.38.152 0:0:0:0:0:ffff:42db:2698
66.219.38.153 0:0:0:0:0:ffff:42db:2699
66.219.38.154 0:0:0:0:0:ffff:42db:269a
66.219.38.155 0:0:0:0:0:ffff:42db:269b
66.219.38.156 0:0:0:0:0:ffff:42db:269c
66.219.38.157 0:0:0:0:0:ffff:42db:269d
66.219.38.158 0:0:0:0:0:ffff:42db:269e
66.219.38.159 0:0:0:0:0:ffff:42db:269f
66.219.38.160 0:0:0:0:0:ffff:42db:26a0
66.219.38.161 0:0:0:0:0:ffff:42db:26a1
66.219.38.162 0:0:0:0:0:ffff:42db:26a2
66.219.38.163 0:0:0:0:0:ffff:42db:26a3
66.219.38.164 0:0:0:0:0:ffff:42db:26a4
66.219.38.165 0:0:0:0:0:ffff:42db:26a5
66.219.38.166 0:0:0:0:0:ffff:42db:26a6
66.219.38.167 0:0:0:0:0:ffff:42db:26a7
66.219.38.168 0:0:0:0:0:ffff:42db:26a8
66.219.38.169 0:0:0:0:0:ffff:42db:26a9
66.219.38.170 0:0:0:0:0:ffff:42db:26aa
66.219.38.171 0:0:0:0:0:ffff:42db:26ab
66.219.38.172 0:0:0:0:0:ffff:42db:26ac
66.219.38.173 0:0:0:0:0:ffff:42db:26ad
66.219.38.174 0:0:0:0:0:ffff:42db:26ae
66.219.38.175 0:0:0:0:0:ffff:42db:26af
66.219.38.176 0:0:0:0:0:ffff:42db:26b0
66.219.38.177 0:0:0:0:0:ffff:42db:26b1
66.219.38.178 0:0:0:0:0:ffff:42db:26b2
66.219.38.179 0:0:0:0:0:ffff:42db:26b3
66.219.38.180 0:0:0:0:0:ffff:42db:26b4


66.219.38.181 0:0:0:0:0:ffff:42db:26b5
66.219.38.182 0:0:0:0:0:ffff:42db:26b6
66.219.38.183 0:0:0:0:0:ffff:42db:26b7
66.219.38.184 0:0:0:0:0:ffff:42db:26b8
66.219.38.185 0:0:0:0:0:ffff:42db:26b9
66.219.38.186 0:0:0:0:0:ffff:42db:26ba
66.219.38.187 0:0:0:0:0:ffff:42db:26bb
66.219.38.188 0:0:0:0:0:ffff:42db:26bc
66.219.38.189 0:0:0:0:0:ffff:42db:26bd
66.219.38.190 0:0:0:0:0:ffff:42db:26be
66.219.38.191 0:0:0:0:0:ffff:42db:26bf
66.219.38.192 0:0:0:0:0:ffff:42db:26c0
66.219.38.193 0:0:0:0:0:ffff:42db:26c1
66.219.38.194 0:0:0:0:0:ffff:42db:26c2
66.219.38.195 0:0:0:0:0:ffff:42db:26c3
66.219.38.196 0:0:0:0:0:ffff:42db:26c4
66.219.38.197 0:0:0:0:0:ffff:42db:26c5
66.219.38.198 0:0:0:0:0:ffff:42db:26c6
66.219.38.199 0:0:0:0:0:ffff:42db:26c7
66.219.38.200 0:0:0:0:0:ffff:42db:26c8
66.219.38.201 0:0:0:0:0:ffff:42db:26c9
66.219.38.202 0:0:0:0:0:ffff:42db:26ca
66.219.38.203 0:0:0:0:0:ffff:42db:26cb
66.219.38.204 0:0:0:0:0:ffff:42db:26cc
66.219.38.205 0:0:0:0:0:ffff:42db:26cd
66.219.38.206 0:0:0:0:0:ffff:42db:26ce
66.219.38.207 0:0:0:0:0:ffff:42db:26cf
66.219.38.208 0:0:0:0:0:ffff:42db:26d0
66.219.38.209 0:0:0:0:0:ffff:42db:26d1
66.219.38.210 0:0:0:0:0:ffff:42db:26d2
66.219.38.211 0:0:0:0:0:ffff:42db:26d3
66.219.38.212 0:0:0:0:0:ffff:42db:26d4
66.219.38.213 0:0:0:0:0:ffff:42db:26d5
66.219.38.214 0:0:0:0:0:ffff:42db:26d6
66.219.38.215 0:0:0:0:0:ffff:42db:26d7
66.219.38.216 0:0:0:0:0:ffff:42db:26d8
66.219.38.217 0:0:0:0:0:ffff:42db:26d9
66.219.38.218 0:0:0:0:0:ffff:42db:26da
66.219.38.219 0:0:0:0:0:ffff:42db:26db
66.219.38.220 0:0:0:0:0:ffff:42db:26dc
66.219.38.221 0:0:0:0:0:ffff:42db:26dd
66.219.38.222 0:0:0:0:0:ffff:42db:26de
66.219.38.223 0:0:0:0:0:ffff:42db:26df
66.219.38.224 0:0:0:0:0:ffff:42db:26e0
66.219.38.225 0:0:0:0:0:ffff:42db:26e1
66.219.38.226 0:0:0:0:0:ffff:42db:26e2
66.219.38.227 0:0:0:0:0:ffff:42db:26e3
66.219.38.228 0:0:0:0:0:ffff:42db:26e4
66.219.38.229 0:0:0:0:0:ffff:42db:26e5
66.219.38.230 0:0:0:0:0:ffff:42db:26e6
66.219.38.231 0:0:0:0:0:ffff:42db:26e7
66.219.38.232 0:0:0:0:0:ffff:42db:26e8
66.219.38.233 0:0:0:0:0:ffff:42db:26e9
66.219.38.234 0:0:0:0:0:ffff:42db:26ea
66.219.38.235 0:0:0:0:0:ffff:42db:26eb
66.219.38.236 0:0:0:0:0:ffff:42db:26ec
66.219.38.237 0:0:0:0:0:ffff:42db:26ed
66.219.38.238 0:0:0:0:0:ffff:42db:26ee
66.219.38.239 0:0:0:0:0:ffff:42db:26ef
66.219.38.240 0:0:0:0:0:ffff:42db:26f0
66.219.38.241 0:0:0:0:0:ffff:42db:26f1
66.219.38.242 0:0:0:0:0:ffff:42db:26f2
66.219.38.243 0:0:0:0:0:ffff:42db:26f3
66.219.38.244 0:0:0:0:0:ffff:42db:26f4
66.219.38.245 0:0:0:0:0:ffff:42db:26f5
66.219.38.246 0:0:0:0:0:ffff:42db:26f6
66.219.38.247 0:0:0:0:0:ffff:42db:26f7
66.219.38.248 0:0:0:0:0:ffff:42db:26f8
66.219.38.249 0:0:0:0:0:ffff:42db:26f9
66.219.38.250 0:0:0:0:0:ffff:42db:26fa
66.219.38.251 0:0:0:0:0:ffff:42db:26fb
66.219.38.252 0:0:0:0:0:ffff:42db:26fc
66.219.38.253 0:0:0:0:0:ffff:42db:26fd
66.219.38.254 0:0:0:0:0:ffff:42db:26fe
66.219.38.255 0:0:0:0:0:ffff:42db: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.