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
144.21.80.1 0:0:0:0:0:ffff:9015:5001
144.21.80.2 0:0:0:0:0:ffff:9015:5002
144.21.80.3 0:0:0:0:0:ffff:9015:5003
144.21.80.4 0:0:0:0:0:ffff:9015:5004
144.21.80.5 0:0:0:0:0:ffff:9015:5005
144.21.80.6 0:0:0:0:0:ffff:9015:5006
144.21.80.7 0:0:0:0:0:ffff:9015:5007
144.21.80.8 0:0:0:0:0:ffff:9015:5008
144.21.80.9 0:0:0:0:0:ffff:9015:5009
144.21.80.10 0:0:0:0:0:ffff:9015:500a
144.21.80.11 0:0:0:0:0:ffff:9015:500b
144.21.80.12 0:0:0:0:0:ffff:9015:500c
144.21.80.13 0:0:0:0:0:ffff:9015:500d
144.21.80.14 0:0:0:0:0:ffff:9015:500e
144.21.80.15 0:0:0:0:0:ffff:9015:500f
144.21.80.16 0:0:0:0:0:ffff:9015:5010
144.21.80.17 0:0:0:0:0:ffff:9015:5011
144.21.80.18 0:0:0:0:0:ffff:9015:5012
144.21.80.19 0:0:0:0:0:ffff:9015:5013
144.21.80.20 0:0:0:0:0:ffff:9015:5014
144.21.80.21 0:0:0:0:0:ffff:9015:5015
144.21.80.22 0:0:0:0:0:ffff:9015:5016
144.21.80.23 0:0:0:0:0:ffff:9015:5017
144.21.80.24 0:0:0:0:0:ffff:9015:5018
144.21.80.25 0:0:0:0:0:ffff:9015:5019
144.21.80.26 0:0:0:0:0:ffff:9015:501a
144.21.80.27 0:0:0:0:0:ffff:9015:501b
144.21.80.28 0:0:0:0:0:ffff:9015:501c
144.21.80.29 0:0:0:0:0:ffff:9015:501d
144.21.80.30 0:0:0:0:0:ffff:9015:501e
144.21.80.31 0:0:0:0:0:ffff:9015:501f
144.21.80.32 0:0:0:0:0:ffff:9015:5020
144.21.80.33 0:0:0:0:0:ffff:9015:5021
144.21.80.34 0:0:0:0:0:ffff:9015:5022
144.21.80.35 0:0:0:0:0:ffff:9015:5023
144.21.80.36 0:0:0:0:0:ffff:9015:5024
144.21.80.37 0:0:0:0:0:ffff:9015:5025
144.21.80.38 0:0:0:0:0:ffff:9015:5026
144.21.80.39 0:0:0:0:0:ffff:9015:5027
144.21.80.40 0:0:0:0:0:ffff:9015:5028
144.21.80.41 0:0:0:0:0:ffff:9015:5029
144.21.80.42 0:0:0:0:0:ffff:9015:502a
144.21.80.43 0:0:0:0:0:ffff:9015:502b
144.21.80.44 0:0:0:0:0:ffff:9015:502c
144.21.80.45 0:0:0:0:0:ffff:9015:502d
144.21.80.46 0:0:0:0:0:ffff:9015:502e
144.21.80.47 0:0:0:0:0:ffff:9015:502f
144.21.80.48 0:0:0:0:0:ffff:9015:5030
144.21.80.49 0:0:0:0:0:ffff:9015:5031
144.21.80.50 0:0:0:0:0:ffff:9015:5032
144.21.80.51 0:0:0:0:0:ffff:9015:5033
144.21.80.52 0:0:0:0:0:ffff:9015:5034
144.21.80.53 0:0:0:0:0:ffff:9015:5035
144.21.80.54 0:0:0:0:0:ffff:9015:5036
144.21.80.55 0:0:0:0:0:ffff:9015:5037
144.21.80.56 0:0:0:0:0:ffff:9015:5038
144.21.80.57 0:0:0:0:0:ffff:9015:5039
144.21.80.58 0:0:0:0:0:ffff:9015:503a
144.21.80.59 0:0:0:0:0:ffff:9015:503b
144.21.80.60 0:0:0:0:0:ffff:9015:503c


144.21.80.61 0:0:0:0:0:ffff:9015:503d
144.21.80.62 0:0:0:0:0:ffff:9015:503e
144.21.80.63 0:0:0:0:0:ffff:9015:503f
144.21.80.64 0:0:0:0:0:ffff:9015:5040
144.21.80.65 0:0:0:0:0:ffff:9015:5041
144.21.80.66 0:0:0:0:0:ffff:9015:5042
144.21.80.67 0:0:0:0:0:ffff:9015:5043
144.21.80.68 0:0:0:0:0:ffff:9015:5044
144.21.80.69 0:0:0:0:0:ffff:9015:5045
144.21.80.70 0:0:0:0:0:ffff:9015:5046
144.21.80.71 0:0:0:0:0:ffff:9015:5047
144.21.80.72 0:0:0:0:0:ffff:9015:5048
144.21.80.73 0:0:0:0:0:ffff:9015:5049
144.21.80.74 0:0:0:0:0:ffff:9015:504a
144.21.80.75 0:0:0:0:0:ffff:9015:504b
144.21.80.76 0:0:0:0:0:ffff:9015:504c
144.21.80.77 0:0:0:0:0:ffff:9015:504d
144.21.80.78 0:0:0:0:0:ffff:9015:504e
144.21.80.79 0:0:0:0:0:ffff:9015:504f
144.21.80.80 0:0:0:0:0:ffff:9015:5050
144.21.80.81 0:0:0:0:0:ffff:9015:5051
144.21.80.82 0:0:0:0:0:ffff:9015:5052
144.21.80.83 0:0:0:0:0:ffff:9015:5053
144.21.80.84 0:0:0:0:0:ffff:9015:5054
144.21.80.85 0:0:0:0:0:ffff:9015:5055
144.21.80.86 0:0:0:0:0:ffff:9015:5056
144.21.80.87 0:0:0:0:0:ffff:9015:5057
144.21.80.88 0:0:0:0:0:ffff:9015:5058
144.21.80.89 0:0:0:0:0:ffff:9015:5059
144.21.80.90 0:0:0:0:0:ffff:9015:505a
144.21.80.91 0:0:0:0:0:ffff:9015:505b
144.21.80.92 0:0:0:0:0:ffff:9015:505c
144.21.80.93 0:0:0:0:0:ffff:9015:505d
144.21.80.94 0:0:0:0:0:ffff:9015:505e
144.21.80.95 0:0:0:0:0:ffff:9015:505f
144.21.80.96 0:0:0:0:0:ffff:9015:5060
144.21.80.97 0:0:0:0:0:ffff:9015:5061
144.21.80.98 0:0:0:0:0:ffff:9015:5062
144.21.80.99 0:0:0:0:0:ffff:9015:5063
144.21.80.100 0:0:0:0:0:ffff:9015:5064
144.21.80.101 0:0:0:0:0:ffff:9015:5065
144.21.80.102 0:0:0:0:0:ffff:9015:5066
144.21.80.103 0:0:0:0:0:ffff:9015:5067
144.21.80.104 0:0:0:0:0:ffff:9015:5068
144.21.80.105 0:0:0:0:0:ffff:9015:5069
144.21.80.106 0:0:0:0:0:ffff:9015:506a
144.21.80.107 0:0:0:0:0:ffff:9015:506b
144.21.80.108 0:0:0:0:0:ffff:9015:506c
144.21.80.109 0:0:0:0:0:ffff:9015:506d
144.21.80.110 0:0:0:0:0:ffff:9015:506e
144.21.80.111 0:0:0:0:0:ffff:9015:506f
144.21.80.112 0:0:0:0:0:ffff:9015:5070
144.21.80.113 0:0:0:0:0:ffff:9015:5071
144.21.80.114 0:0:0:0:0:ffff:9015:5072
144.21.80.115 0:0:0:0:0:ffff:9015:5073
144.21.80.116 0:0:0:0:0:ffff:9015:5074
144.21.80.117 0:0:0:0:0:ffff:9015:5075
144.21.80.118 0:0:0:0:0:ffff:9015:5076
144.21.80.119 0:0:0:0:0:ffff:9015:5077
144.21.80.120 0:0:0:0:0:ffff:9015:5078


144.21.80.121 0:0:0:0:0:ffff:9015:5079
144.21.80.122 0:0:0:0:0:ffff:9015:507a
144.21.80.123 0:0:0:0:0:ffff:9015:507b
144.21.80.124 0:0:0:0:0:ffff:9015:507c
144.21.80.125 0:0:0:0:0:ffff:9015:507d
144.21.80.126 0:0:0:0:0:ffff:9015:507e
144.21.80.127 0:0:0:0:0:ffff:9015:507f
144.21.80.128 0:0:0:0:0:ffff:9015:5080
144.21.80.129 0:0:0:0:0:ffff:9015:5081
144.21.80.130 0:0:0:0:0:ffff:9015:5082
144.21.80.131 0:0:0:0:0:ffff:9015:5083
144.21.80.132 0:0:0:0:0:ffff:9015:5084
144.21.80.133 0:0:0:0:0:ffff:9015:5085
144.21.80.134 0:0:0:0:0:ffff:9015:5086
144.21.80.135 0:0:0:0:0:ffff:9015:5087
144.21.80.136 0:0:0:0:0:ffff:9015:5088
144.21.80.137 0:0:0:0:0:ffff:9015:5089
144.21.80.138 0:0:0:0:0:ffff:9015:508a
144.21.80.139 0:0:0:0:0:ffff:9015:508b
144.21.80.140 0:0:0:0:0:ffff:9015:508c
144.21.80.141 0:0:0:0:0:ffff:9015:508d
144.21.80.142 0:0:0:0:0:ffff:9015:508e
144.21.80.143 0:0:0:0:0:ffff:9015:508f
144.21.80.144 0:0:0:0:0:ffff:9015:5090
144.21.80.145 0:0:0:0:0:ffff:9015:5091
144.21.80.146 0:0:0:0:0:ffff:9015:5092
144.21.80.147 0:0:0:0:0:ffff:9015:5093
144.21.80.148 0:0:0:0:0:ffff:9015:5094
144.21.80.149 0:0:0:0:0:ffff:9015:5095
144.21.80.150 0:0:0:0:0:ffff:9015:5096
144.21.80.151 0:0:0:0:0:ffff:9015:5097
144.21.80.152 0:0:0:0:0:ffff:9015:5098
144.21.80.153 0:0:0:0:0:ffff:9015:5099
144.21.80.154 0:0:0:0:0:ffff:9015:509a
144.21.80.155 0:0:0:0:0:ffff:9015:509b
144.21.80.156 0:0:0:0:0:ffff:9015:509c
144.21.80.157 0:0:0:0:0:ffff:9015:509d
144.21.80.158 0:0:0:0:0:ffff:9015:509e
144.21.80.159 0:0:0:0:0:ffff:9015:509f
144.21.80.160 0:0:0:0:0:ffff:9015:50a0
144.21.80.161 0:0:0:0:0:ffff:9015:50a1
144.21.80.162 0:0:0:0:0:ffff:9015:50a2
144.21.80.163 0:0:0:0:0:ffff:9015:50a3
144.21.80.164 0:0:0:0:0:ffff:9015:50a4
144.21.80.165 0:0:0:0:0:ffff:9015:50a5
144.21.80.166 0:0:0:0:0:ffff:9015:50a6
144.21.80.167 0:0:0:0:0:ffff:9015:50a7
144.21.80.168 0:0:0:0:0:ffff:9015:50a8
144.21.80.169 0:0:0:0:0:ffff:9015:50a9
144.21.80.170 0:0:0:0:0:ffff:9015:50aa
144.21.80.171 0:0:0:0:0:ffff:9015:50ab
144.21.80.172 0:0:0:0:0:ffff:9015:50ac
144.21.80.173 0:0:0:0:0:ffff:9015:50ad
144.21.80.174 0:0:0:0:0:ffff:9015:50ae
144.21.80.175 0:0:0:0:0:ffff:9015:50af
144.21.80.176 0:0:0:0:0:ffff:9015:50b0
144.21.80.177 0:0:0:0:0:ffff:9015:50b1
144.21.80.178 0:0:0:0:0:ffff:9015:50b2
144.21.80.179 0:0:0:0:0:ffff:9015:50b3
144.21.80.180 0:0:0:0:0:ffff:9015:50b4


144.21.80.181 0:0:0:0:0:ffff:9015:50b5
144.21.80.182 0:0:0:0:0:ffff:9015:50b6
144.21.80.183 0:0:0:0:0:ffff:9015:50b7
144.21.80.184 0:0:0:0:0:ffff:9015:50b8
144.21.80.185 0:0:0:0:0:ffff:9015:50b9
144.21.80.186 0:0:0:0:0:ffff:9015:50ba
144.21.80.187 0:0:0:0:0:ffff:9015:50bb
144.21.80.188 0:0:0:0:0:ffff:9015:50bc
144.21.80.189 0:0:0:0:0:ffff:9015:50bd
144.21.80.190 0:0:0:0:0:ffff:9015:50be
144.21.80.191 0:0:0:0:0:ffff:9015:50bf
144.21.80.192 0:0:0:0:0:ffff:9015:50c0
144.21.80.193 0:0:0:0:0:ffff:9015:50c1
144.21.80.194 0:0:0:0:0:ffff:9015:50c2
144.21.80.195 0:0:0:0:0:ffff:9015:50c3
144.21.80.196 0:0:0:0:0:ffff:9015:50c4
144.21.80.197 0:0:0:0:0:ffff:9015:50c5
144.21.80.198 0:0:0:0:0:ffff:9015:50c6
144.21.80.199 0:0:0:0:0:ffff:9015:50c7
144.21.80.200 0:0:0:0:0:ffff:9015:50c8
144.21.80.201 0:0:0:0:0:ffff:9015:50c9
144.21.80.202 0:0:0:0:0:ffff:9015:50ca
144.21.80.203 0:0:0:0:0:ffff:9015:50cb
144.21.80.204 0:0:0:0:0:ffff:9015:50cc
144.21.80.205 0:0:0:0:0:ffff:9015:50cd
144.21.80.206 0:0:0:0:0:ffff:9015:50ce
144.21.80.207 0:0:0:0:0:ffff:9015:50cf
144.21.80.208 0:0:0:0:0:ffff:9015:50d0
144.21.80.209 0:0:0:0:0:ffff:9015:50d1
144.21.80.210 0:0:0:0:0:ffff:9015:50d2
144.21.80.211 0:0:0:0:0:ffff:9015:50d3
144.21.80.212 0:0:0:0:0:ffff:9015:50d4
144.21.80.213 0:0:0:0:0:ffff:9015:50d5
144.21.80.214 0:0:0:0:0:ffff:9015:50d6
144.21.80.215 0:0:0:0:0:ffff:9015:50d7
144.21.80.216 0:0:0:0:0:ffff:9015:50d8
144.21.80.217 0:0:0:0:0:ffff:9015:50d9
144.21.80.218 0:0:0:0:0:ffff:9015:50da
144.21.80.219 0:0:0:0:0:ffff:9015:50db
144.21.80.220 0:0:0:0:0:ffff:9015:50dc
144.21.80.221 0:0:0:0:0:ffff:9015:50dd
144.21.80.222 0:0:0:0:0:ffff:9015:50de
144.21.80.223 0:0:0:0:0:ffff:9015:50df
144.21.80.224 0:0:0:0:0:ffff:9015:50e0
144.21.80.225 0:0:0:0:0:ffff:9015:50e1
144.21.80.226 0:0:0:0:0:ffff:9015:50e2
144.21.80.227 0:0:0:0:0:ffff:9015:50e3
144.21.80.228 0:0:0:0:0:ffff:9015:50e4
144.21.80.229 0:0:0:0:0:ffff:9015:50e5
144.21.80.230 0:0:0:0:0:ffff:9015:50e6
144.21.80.231 0:0:0:0:0:ffff:9015:50e7
144.21.80.232 0:0:0:0:0:ffff:9015:50e8
144.21.80.233 0:0:0:0:0:ffff:9015:50e9
144.21.80.234 0:0:0:0:0:ffff:9015:50ea
144.21.80.235 0:0:0:0:0:ffff:9015:50eb
144.21.80.236 0:0:0:0:0:ffff:9015:50ec
144.21.80.237 0:0:0:0:0:ffff:9015:50ed
144.21.80.238 0:0:0:0:0:ffff:9015:50ee
144.21.80.239 0:0:0:0:0:ffff:9015:50ef
144.21.80.240 0:0:0:0:0:ffff:9015:50f0
144.21.80.241 0:0:0:0:0:ffff:9015:50f1
144.21.80.242 0:0:0:0:0:ffff:9015:50f2
144.21.80.243 0:0:0:0:0:ffff:9015:50f3
144.21.80.244 0:0:0:0:0:ffff:9015:50f4
144.21.80.245 0:0:0:0:0:ffff:9015:50f5
144.21.80.246 0:0:0:0:0:ffff:9015:50f6
144.21.80.247 0:0:0:0:0:ffff:9015:50f7
144.21.80.248 0:0:0:0:0:ffff:9015:50f8
144.21.80.249 0:0:0:0:0:ffff:9015:50f9
144.21.80.250 0:0:0:0:0:ffff:9015:50fa
144.21.80.251 0:0:0:0:0:ffff:9015:50fb
144.21.80.252 0:0:0:0:0:ffff:9015:50fc
144.21.80.253 0:0:0:0:0:ffff:9015:50fd
144.21.80.254 0:0:0:0:0:ffff:9015:50fe
144.21.80.255 0:0:0:0:0:ffff:9015:50ff


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.