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
144.21.6.1 0:0:0:0:0:ffff:9015:601
144.21.6.2 0:0:0:0:0:ffff:9015:602
144.21.6.3 0:0:0:0:0:ffff:9015:603
144.21.6.4 0:0:0:0:0:ffff:9015:604
144.21.6.5 0:0:0:0:0:ffff:9015:605
144.21.6.6 0:0:0:0:0:ffff:9015:606
144.21.6.7 0:0:0:0:0:ffff:9015:607
144.21.6.8 0:0:0:0:0:ffff:9015:608
144.21.6.9 0:0:0:0:0:ffff:9015:609
144.21.6.10 0:0:0:0:0:ffff:9015:60a
144.21.6.11 0:0:0:0:0:ffff:9015:60b
144.21.6.12 0:0:0:0:0:ffff:9015:60c
144.21.6.13 0:0:0:0:0:ffff:9015:60d
144.21.6.14 0:0:0:0:0:ffff:9015:60e
144.21.6.15 0:0:0:0:0:ffff:9015:60f
144.21.6.16 0:0:0:0:0:ffff:9015:610
144.21.6.17 0:0:0:0:0:ffff:9015:611
144.21.6.18 0:0:0:0:0:ffff:9015:612
144.21.6.19 0:0:0:0:0:ffff:9015:613
144.21.6.20 0:0:0:0:0:ffff:9015:614
144.21.6.21 0:0:0:0:0:ffff:9015:615
144.21.6.22 0:0:0:0:0:ffff:9015:616
144.21.6.23 0:0:0:0:0:ffff:9015:617
144.21.6.24 0:0:0:0:0:ffff:9015:618
144.21.6.25 0:0:0:0:0:ffff:9015:619
144.21.6.26 0:0:0:0:0:ffff:9015:61a
144.21.6.27 0:0:0:0:0:ffff:9015:61b
144.21.6.28 0:0:0:0:0:ffff:9015:61c
144.21.6.29 0:0:0:0:0:ffff:9015:61d
144.21.6.30 0:0:0:0:0:ffff:9015:61e
144.21.6.31 0:0:0:0:0:ffff:9015:61f
144.21.6.32 0:0:0:0:0:ffff:9015:620
144.21.6.33 0:0:0:0:0:ffff:9015:621
144.21.6.34 0:0:0:0:0:ffff:9015:622
144.21.6.35 0:0:0:0:0:ffff:9015:623
144.21.6.36 0:0:0:0:0:ffff:9015:624
144.21.6.37 0:0:0:0:0:ffff:9015:625
144.21.6.38 0:0:0:0:0:ffff:9015:626
144.21.6.39 0:0:0:0:0:ffff:9015:627
144.21.6.40 0:0:0:0:0:ffff:9015:628
144.21.6.41 0:0:0:0:0:ffff:9015:629
144.21.6.42 0:0:0:0:0:ffff:9015:62a
144.21.6.43 0:0:0:0:0:ffff:9015:62b
144.21.6.44 0:0:0:0:0:ffff:9015:62c
144.21.6.45 0:0:0:0:0:ffff:9015:62d
144.21.6.46 0:0:0:0:0:ffff:9015:62e
144.21.6.47 0:0:0:0:0:ffff:9015:62f
144.21.6.48 0:0:0:0:0:ffff:9015:630
144.21.6.49 0:0:0:0:0:ffff:9015:631
144.21.6.50 0:0:0:0:0:ffff:9015:632
144.21.6.51 0:0:0:0:0:ffff:9015:633
144.21.6.52 0:0:0:0:0:ffff:9015:634
144.21.6.53 0:0:0:0:0:ffff:9015:635
144.21.6.54 0:0:0:0:0:ffff:9015:636
144.21.6.55 0:0:0:0:0:ffff:9015:637
144.21.6.56 0:0:0:0:0:ffff:9015:638
144.21.6.57 0:0:0:0:0:ffff:9015:639
144.21.6.58 0:0:0:0:0:ffff:9015:63a
144.21.6.59 0:0:0:0:0:ffff:9015:63b
144.21.6.60 0:0:0:0:0:ffff:9015:63c


144.21.6.61 0:0:0:0:0:ffff:9015:63d
144.21.6.62 0:0:0:0:0:ffff:9015:63e
144.21.6.63 0:0:0:0:0:ffff:9015:63f
144.21.6.64 0:0:0:0:0:ffff:9015:640
144.21.6.65 0:0:0:0:0:ffff:9015:641
144.21.6.66 0:0:0:0:0:ffff:9015:642
144.21.6.67 0:0:0:0:0:ffff:9015:643
144.21.6.68 0:0:0:0:0:ffff:9015:644
144.21.6.69 0:0:0:0:0:ffff:9015:645
144.21.6.70 0:0:0:0:0:ffff:9015:646
144.21.6.71 0:0:0:0:0:ffff:9015:647
144.21.6.72 0:0:0:0:0:ffff:9015:648
144.21.6.73 0:0:0:0:0:ffff:9015:649
144.21.6.74 0:0:0:0:0:ffff:9015:64a
144.21.6.75 0:0:0:0:0:ffff:9015:64b
144.21.6.76 0:0:0:0:0:ffff:9015:64c
144.21.6.77 0:0:0:0:0:ffff:9015:64d
144.21.6.78 0:0:0:0:0:ffff:9015:64e
144.21.6.79 0:0:0:0:0:ffff:9015:64f
144.21.6.80 0:0:0:0:0:ffff:9015:650
144.21.6.81 0:0:0:0:0:ffff:9015:651
144.21.6.82 0:0:0:0:0:ffff:9015:652
144.21.6.83 0:0:0:0:0:ffff:9015:653
144.21.6.84 0:0:0:0:0:ffff:9015:654
144.21.6.85 0:0:0:0:0:ffff:9015:655
144.21.6.86 0:0:0:0:0:ffff:9015:656
144.21.6.87 0:0:0:0:0:ffff:9015:657
144.21.6.88 0:0:0:0:0:ffff:9015:658
144.21.6.89 0:0:0:0:0:ffff:9015:659
144.21.6.90 0:0:0:0:0:ffff:9015:65a
144.21.6.91 0:0:0:0:0:ffff:9015:65b
144.21.6.92 0:0:0:0:0:ffff:9015:65c
144.21.6.93 0:0:0:0:0:ffff:9015:65d
144.21.6.94 0:0:0:0:0:ffff:9015:65e
144.21.6.95 0:0:0:0:0:ffff:9015:65f
144.21.6.96 0:0:0:0:0:ffff:9015:660
144.21.6.97 0:0:0:0:0:ffff:9015:661
144.21.6.98 0:0:0:0:0:ffff:9015:662
144.21.6.99 0:0:0:0:0:ffff:9015:663
144.21.6.100 0:0:0:0:0:ffff:9015:664
144.21.6.101 0:0:0:0:0:ffff:9015:665
144.21.6.102 0:0:0:0:0:ffff:9015:666
144.21.6.103 0:0:0:0:0:ffff:9015:667
144.21.6.104 0:0:0:0:0:ffff:9015:668
144.21.6.105 0:0:0:0:0:ffff:9015:669
144.21.6.106 0:0:0:0:0:ffff:9015:66a
144.21.6.107 0:0:0:0:0:ffff:9015:66b
144.21.6.108 0:0:0:0:0:ffff:9015:66c
144.21.6.109 0:0:0:0:0:ffff:9015:66d
144.21.6.110 0:0:0:0:0:ffff:9015:66e
144.21.6.111 0:0:0:0:0:ffff:9015:66f
144.21.6.112 0:0:0:0:0:ffff:9015:670
144.21.6.113 0:0:0:0:0:ffff:9015:671
144.21.6.114 0:0:0:0:0:ffff:9015:672
144.21.6.115 0:0:0:0:0:ffff:9015:673
144.21.6.116 0:0:0:0:0:ffff:9015:674
144.21.6.117 0:0:0:0:0:ffff:9015:675
144.21.6.118 0:0:0:0:0:ffff:9015:676
144.21.6.119 0:0:0:0:0:ffff:9015:677
144.21.6.120 0:0:0:0:0:ffff:9015:678


144.21.6.121 0:0:0:0:0:ffff:9015:679
144.21.6.122 0:0:0:0:0:ffff:9015:67a
144.21.6.123 0:0:0:0:0:ffff:9015:67b
144.21.6.124 0:0:0:0:0:ffff:9015:67c
144.21.6.125 0:0:0:0:0:ffff:9015:67d
144.21.6.126 0:0:0:0:0:ffff:9015:67e
144.21.6.127 0:0:0:0:0:ffff:9015:67f
144.21.6.128 0:0:0:0:0:ffff:9015:680
144.21.6.129 0:0:0:0:0:ffff:9015:681
144.21.6.130 0:0:0:0:0:ffff:9015:682
144.21.6.131 0:0:0:0:0:ffff:9015:683
144.21.6.132 0:0:0:0:0:ffff:9015:684
144.21.6.133 0:0:0:0:0:ffff:9015:685
144.21.6.134 0:0:0:0:0:ffff:9015:686
144.21.6.135 0:0:0:0:0:ffff:9015:687
144.21.6.136 0:0:0:0:0:ffff:9015:688
144.21.6.137 0:0:0:0:0:ffff:9015:689
144.21.6.138 0:0:0:0:0:ffff:9015:68a
144.21.6.139 0:0:0:0:0:ffff:9015:68b
144.21.6.140 0:0:0:0:0:ffff:9015:68c
144.21.6.141 0:0:0:0:0:ffff:9015:68d
144.21.6.142 0:0:0:0:0:ffff:9015:68e
144.21.6.143 0:0:0:0:0:ffff:9015:68f
144.21.6.144 0:0:0:0:0:ffff:9015:690
144.21.6.145 0:0:0:0:0:ffff:9015:691
144.21.6.146 0:0:0:0:0:ffff:9015:692
144.21.6.147 0:0:0:0:0:ffff:9015:693
144.21.6.148 0:0:0:0:0:ffff:9015:694
144.21.6.149 0:0:0:0:0:ffff:9015:695
144.21.6.150 0:0:0:0:0:ffff:9015:696
144.21.6.151 0:0:0:0:0:ffff:9015:697
144.21.6.152 0:0:0:0:0:ffff:9015:698
144.21.6.153 0:0:0:0:0:ffff:9015:699
144.21.6.154 0:0:0:0:0:ffff:9015:69a
144.21.6.155 0:0:0:0:0:ffff:9015:69b
144.21.6.156 0:0:0:0:0:ffff:9015:69c
144.21.6.157 0:0:0:0:0:ffff:9015:69d
144.21.6.158 0:0:0:0:0:ffff:9015:69e
144.21.6.159 0:0:0:0:0:ffff:9015:69f
144.21.6.160 0:0:0:0:0:ffff:9015:6a0
144.21.6.161 0:0:0:0:0:ffff:9015:6a1
144.21.6.162 0:0:0:0:0:ffff:9015:6a2
144.21.6.163 0:0:0:0:0:ffff:9015:6a3
144.21.6.164 0:0:0:0:0:ffff:9015:6a4
144.21.6.165 0:0:0:0:0:ffff:9015:6a5
144.21.6.166 0:0:0:0:0:ffff:9015:6a6
144.21.6.167 0:0:0:0:0:ffff:9015:6a7
144.21.6.168 0:0:0:0:0:ffff:9015:6a8
144.21.6.169 0:0:0:0:0:ffff:9015:6a9
144.21.6.170 0:0:0:0:0:ffff:9015:6aa
144.21.6.171 0:0:0:0:0:ffff:9015:6ab
144.21.6.172 0:0:0:0:0:ffff:9015:6ac
144.21.6.173 0:0:0:0:0:ffff:9015:6ad
144.21.6.174 0:0:0:0:0:ffff:9015:6ae
144.21.6.175 0:0:0:0:0:ffff:9015:6af
144.21.6.176 0:0:0:0:0:ffff:9015:6b0
144.21.6.177 0:0:0:0:0:ffff:9015:6b1
144.21.6.178 0:0:0:0:0:ffff:9015:6b2
144.21.6.179 0:0:0:0:0:ffff:9015:6b3
144.21.6.180 0:0:0:0:0:ffff:9015:6b4


144.21.6.181 0:0:0:0:0:ffff:9015:6b5
144.21.6.182 0:0:0:0:0:ffff:9015:6b6
144.21.6.183 0:0:0:0:0:ffff:9015:6b7
144.21.6.184 0:0:0:0:0:ffff:9015:6b8
144.21.6.185 0:0:0:0:0:ffff:9015:6b9
144.21.6.186 0:0:0:0:0:ffff:9015:6ba
144.21.6.187 0:0:0:0:0:ffff:9015:6bb
144.21.6.188 0:0:0:0:0:ffff:9015:6bc
144.21.6.189 0:0:0:0:0:ffff:9015:6bd
144.21.6.190 0:0:0:0:0:ffff:9015:6be
144.21.6.191 0:0:0:0:0:ffff:9015:6bf
144.21.6.192 0:0:0:0:0:ffff:9015:6c0
144.21.6.193 0:0:0:0:0:ffff:9015:6c1
144.21.6.194 0:0:0:0:0:ffff:9015:6c2
144.21.6.195 0:0:0:0:0:ffff:9015:6c3
144.21.6.196 0:0:0:0:0:ffff:9015:6c4
144.21.6.197 0:0:0:0:0:ffff:9015:6c5
144.21.6.198 0:0:0:0:0:ffff:9015:6c6
144.21.6.199 0:0:0:0:0:ffff:9015:6c7
144.21.6.200 0:0:0:0:0:ffff:9015:6c8
144.21.6.201 0:0:0:0:0:ffff:9015:6c9
144.21.6.202 0:0:0:0:0:ffff:9015:6ca
144.21.6.203 0:0:0:0:0:ffff:9015:6cb
144.21.6.204 0:0:0:0:0:ffff:9015:6cc
144.21.6.205 0:0:0:0:0:ffff:9015:6cd
144.21.6.206 0:0:0:0:0:ffff:9015:6ce
144.21.6.207 0:0:0:0:0:ffff:9015:6cf
144.21.6.208 0:0:0:0:0:ffff:9015:6d0
144.21.6.209 0:0:0:0:0:ffff:9015:6d1
144.21.6.210 0:0:0:0:0:ffff:9015:6d2
144.21.6.211 0:0:0:0:0:ffff:9015:6d3
144.21.6.212 0:0:0:0:0:ffff:9015:6d4
144.21.6.213 0:0:0:0:0:ffff:9015:6d5
144.21.6.214 0:0:0:0:0:ffff:9015:6d6
144.21.6.215 0:0:0:0:0:ffff:9015:6d7
144.21.6.216 0:0:0:0:0:ffff:9015:6d8
144.21.6.217 0:0:0:0:0:ffff:9015:6d9
144.21.6.218 0:0:0:0:0:ffff:9015:6da
144.21.6.219 0:0:0:0:0:ffff:9015:6db
144.21.6.220 0:0:0:0:0:ffff:9015:6dc
144.21.6.221 0:0:0:0:0:ffff:9015:6dd
144.21.6.222 0:0:0:0:0:ffff:9015:6de
144.21.6.223 0:0:0:0:0:ffff:9015:6df
144.21.6.224 0:0:0:0:0:ffff:9015:6e0
144.21.6.225 0:0:0:0:0:ffff:9015:6e1
144.21.6.226 0:0:0:0:0:ffff:9015:6e2
144.21.6.227 0:0:0:0:0:ffff:9015:6e3
144.21.6.228 0:0:0:0:0:ffff:9015:6e4
144.21.6.229 0:0:0:0:0:ffff:9015:6e5
144.21.6.230 0:0:0:0:0:ffff:9015:6e6
144.21.6.231 0:0:0:0:0:ffff:9015:6e7
144.21.6.232 0:0:0:0:0:ffff:9015:6e8
144.21.6.233 0:0:0:0:0:ffff:9015:6e9
144.21.6.234 0:0:0:0:0:ffff:9015:6ea
144.21.6.235 0:0:0:0:0:ffff:9015:6eb
144.21.6.236 0:0:0:0:0:ffff:9015:6ec
144.21.6.237 0:0:0:0:0:ffff:9015:6ed
144.21.6.238 0:0:0:0:0:ffff:9015:6ee
144.21.6.239 0:0:0:0:0:ffff:9015:6ef
144.21.6.240 0:0:0:0:0:ffff:9015:6f0
144.21.6.241 0:0:0:0:0:ffff:9015:6f1
144.21.6.242 0:0:0:0:0:ffff:9015:6f2
144.21.6.243 0:0:0:0:0:ffff:9015:6f3
144.21.6.244 0:0:0:0:0:ffff:9015:6f4
144.21.6.245 0:0:0:0:0:ffff:9015:6f5
144.21.6.246 0:0:0:0:0:ffff:9015:6f6
144.21.6.247 0:0:0:0:0:ffff:9015:6f7
144.21.6.248 0:0:0:0:0:ffff:9015:6f8
144.21.6.249 0:0:0:0:0:ffff:9015:6f9
144.21.6.250 0:0:0:0:0:ffff:9015:6fa
144.21.6.251 0:0:0:0:0:ffff:9015:6fb
144.21.6.252 0:0:0:0:0:ffff:9015:6fc
144.21.6.253 0:0:0:0:0:ffff:9015:6fd
144.21.6.254 0:0:0:0:0:ffff:9015:6fe
144.21.6.255 0:0:0:0:0:ffff:9015:6ff


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.