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
144.21.89.1 0:0:0:0:0:ffff:9015:5901
144.21.89.2 0:0:0:0:0:ffff:9015:5902
144.21.89.3 0:0:0:0:0:ffff:9015:5903
144.21.89.4 0:0:0:0:0:ffff:9015:5904
144.21.89.5 0:0:0:0:0:ffff:9015:5905
144.21.89.6 0:0:0:0:0:ffff:9015:5906
144.21.89.7 0:0:0:0:0:ffff:9015:5907
144.21.89.8 0:0:0:0:0:ffff:9015:5908
144.21.89.9 0:0:0:0:0:ffff:9015:5909
144.21.89.10 0:0:0:0:0:ffff:9015:590a
144.21.89.11 0:0:0:0:0:ffff:9015:590b
144.21.89.12 0:0:0:0:0:ffff:9015:590c
144.21.89.13 0:0:0:0:0:ffff:9015:590d
144.21.89.14 0:0:0:0:0:ffff:9015:590e
144.21.89.15 0:0:0:0:0:ffff:9015:590f
144.21.89.16 0:0:0:0:0:ffff:9015:5910
144.21.89.17 0:0:0:0:0:ffff:9015:5911
144.21.89.18 0:0:0:0:0:ffff:9015:5912
144.21.89.19 0:0:0:0:0:ffff:9015:5913
144.21.89.20 0:0:0:0:0:ffff:9015:5914
144.21.89.21 0:0:0:0:0:ffff:9015:5915
144.21.89.22 0:0:0:0:0:ffff:9015:5916
144.21.89.23 0:0:0:0:0:ffff:9015:5917
144.21.89.24 0:0:0:0:0:ffff:9015:5918
144.21.89.25 0:0:0:0:0:ffff:9015:5919
144.21.89.26 0:0:0:0:0:ffff:9015:591a
144.21.89.27 0:0:0:0:0:ffff:9015:591b
144.21.89.28 0:0:0:0:0:ffff:9015:591c
144.21.89.29 0:0:0:0:0:ffff:9015:591d
144.21.89.30 0:0:0:0:0:ffff:9015:591e
144.21.89.31 0:0:0:0:0:ffff:9015:591f
144.21.89.32 0:0:0:0:0:ffff:9015:5920
144.21.89.33 0:0:0:0:0:ffff:9015:5921
144.21.89.34 0:0:0:0:0:ffff:9015:5922
144.21.89.35 0:0:0:0:0:ffff:9015:5923
144.21.89.36 0:0:0:0:0:ffff:9015:5924
144.21.89.37 0:0:0:0:0:ffff:9015:5925
144.21.89.38 0:0:0:0:0:ffff:9015:5926
144.21.89.39 0:0:0:0:0:ffff:9015:5927
144.21.89.40 0:0:0:0:0:ffff:9015:5928
144.21.89.41 0:0:0:0:0:ffff:9015:5929
144.21.89.42 0:0:0:0:0:ffff:9015:592a
144.21.89.43 0:0:0:0:0:ffff:9015:592b
144.21.89.44 0:0:0:0:0:ffff:9015:592c
144.21.89.45 0:0:0:0:0:ffff:9015:592d
144.21.89.46 0:0:0:0:0:ffff:9015:592e
144.21.89.47 0:0:0:0:0:ffff:9015:592f
144.21.89.48 0:0:0:0:0:ffff:9015:5930
144.21.89.49 0:0:0:0:0:ffff:9015:5931
144.21.89.50 0:0:0:0:0:ffff:9015:5932
144.21.89.51 0:0:0:0:0:ffff:9015:5933
144.21.89.52 0:0:0:0:0:ffff:9015:5934
144.21.89.53 0:0:0:0:0:ffff:9015:5935
144.21.89.54 0:0:0:0:0:ffff:9015:5936
144.21.89.55 0:0:0:0:0:ffff:9015:5937
144.21.89.56 0:0:0:0:0:ffff:9015:5938
144.21.89.57 0:0:0:0:0:ffff:9015:5939
144.21.89.58 0:0:0:0:0:ffff:9015:593a
144.21.89.59 0:0:0:0:0:ffff:9015:593b
144.21.89.60 0:0:0:0:0:ffff:9015:593c


144.21.89.61 0:0:0:0:0:ffff:9015:593d
144.21.89.62 0:0:0:0:0:ffff:9015:593e
144.21.89.63 0:0:0:0:0:ffff:9015:593f
144.21.89.64 0:0:0:0:0:ffff:9015:5940
144.21.89.65 0:0:0:0:0:ffff:9015:5941
144.21.89.66 0:0:0:0:0:ffff:9015:5942
144.21.89.67 0:0:0:0:0:ffff:9015:5943
144.21.89.68 0:0:0:0:0:ffff:9015:5944
144.21.89.69 0:0:0:0:0:ffff:9015:5945
144.21.89.70 0:0:0:0:0:ffff:9015:5946
144.21.89.71 0:0:0:0:0:ffff:9015:5947
144.21.89.72 0:0:0:0:0:ffff:9015:5948
144.21.89.73 0:0:0:0:0:ffff:9015:5949
144.21.89.74 0:0:0:0:0:ffff:9015:594a
144.21.89.75 0:0:0:0:0:ffff:9015:594b
144.21.89.76 0:0:0:0:0:ffff:9015:594c
144.21.89.77 0:0:0:0:0:ffff:9015:594d
144.21.89.78 0:0:0:0:0:ffff:9015:594e
144.21.89.79 0:0:0:0:0:ffff:9015:594f
144.21.89.80 0:0:0:0:0:ffff:9015:5950
144.21.89.81 0:0:0:0:0:ffff:9015:5951
144.21.89.82 0:0:0:0:0:ffff:9015:5952
144.21.89.83 0:0:0:0:0:ffff:9015:5953
144.21.89.84 0:0:0:0:0:ffff:9015:5954
144.21.89.85 0:0:0:0:0:ffff:9015:5955
144.21.89.86 0:0:0:0:0:ffff:9015:5956
144.21.89.87 0:0:0:0:0:ffff:9015:5957
144.21.89.88 0:0:0:0:0:ffff:9015:5958
144.21.89.89 0:0:0:0:0:ffff:9015:5959
144.21.89.90 0:0:0:0:0:ffff:9015:595a
144.21.89.91 0:0:0:0:0:ffff:9015:595b
144.21.89.92 0:0:0:0:0:ffff:9015:595c
144.21.89.93 0:0:0:0:0:ffff:9015:595d
144.21.89.94 0:0:0:0:0:ffff:9015:595e
144.21.89.95 0:0:0:0:0:ffff:9015:595f
144.21.89.96 0:0:0:0:0:ffff:9015:5960
144.21.89.97 0:0:0:0:0:ffff:9015:5961
144.21.89.98 0:0:0:0:0:ffff:9015:5962
144.21.89.99 0:0:0:0:0:ffff:9015:5963
144.21.89.100 0:0:0:0:0:ffff:9015:5964
144.21.89.101 0:0:0:0:0:ffff:9015:5965
144.21.89.102 0:0:0:0:0:ffff:9015:5966
144.21.89.103 0:0:0:0:0:ffff:9015:5967
144.21.89.104 0:0:0:0:0:ffff:9015:5968
144.21.89.105 0:0:0:0:0:ffff:9015:5969
144.21.89.106 0:0:0:0:0:ffff:9015:596a
144.21.89.107 0:0:0:0:0:ffff:9015:596b
144.21.89.108 0:0:0:0:0:ffff:9015:596c
144.21.89.109 0:0:0:0:0:ffff:9015:596d
144.21.89.110 0:0:0:0:0:ffff:9015:596e
144.21.89.111 0:0:0:0:0:ffff:9015:596f
144.21.89.112 0:0:0:0:0:ffff:9015:5970
144.21.89.113 0:0:0:0:0:ffff:9015:5971
144.21.89.114 0:0:0:0:0:ffff:9015:5972
144.21.89.115 0:0:0:0:0:ffff:9015:5973
144.21.89.116 0:0:0:0:0:ffff:9015:5974
144.21.89.117 0:0:0:0:0:ffff:9015:5975
144.21.89.118 0:0:0:0:0:ffff:9015:5976
144.21.89.119 0:0:0:0:0:ffff:9015:5977
144.21.89.120 0:0:0:0:0:ffff:9015:5978


144.21.89.121 0:0:0:0:0:ffff:9015:5979
144.21.89.122 0:0:0:0:0:ffff:9015:597a
144.21.89.123 0:0:0:0:0:ffff:9015:597b
144.21.89.124 0:0:0:0:0:ffff:9015:597c
144.21.89.125 0:0:0:0:0:ffff:9015:597d
144.21.89.126 0:0:0:0:0:ffff:9015:597e
144.21.89.127 0:0:0:0:0:ffff:9015:597f
144.21.89.128 0:0:0:0:0:ffff:9015:5980
144.21.89.129 0:0:0:0:0:ffff:9015:5981
144.21.89.130 0:0:0:0:0:ffff:9015:5982
144.21.89.131 0:0:0:0:0:ffff:9015:5983
144.21.89.132 0:0:0:0:0:ffff:9015:5984
144.21.89.133 0:0:0:0:0:ffff:9015:5985
144.21.89.134 0:0:0:0:0:ffff:9015:5986
144.21.89.135 0:0:0:0:0:ffff:9015:5987
144.21.89.136 0:0:0:0:0:ffff:9015:5988
144.21.89.137 0:0:0:0:0:ffff:9015:5989
144.21.89.138 0:0:0:0:0:ffff:9015:598a
144.21.89.139 0:0:0:0:0:ffff:9015:598b
144.21.89.140 0:0:0:0:0:ffff:9015:598c
144.21.89.141 0:0:0:0:0:ffff:9015:598d
144.21.89.142 0:0:0:0:0:ffff:9015:598e
144.21.89.143 0:0:0:0:0:ffff:9015:598f
144.21.89.144 0:0:0:0:0:ffff:9015:5990
144.21.89.145 0:0:0:0:0:ffff:9015:5991
144.21.89.146 0:0:0:0:0:ffff:9015:5992
144.21.89.147 0:0:0:0:0:ffff:9015:5993
144.21.89.148 0:0:0:0:0:ffff:9015:5994
144.21.89.149 0:0:0:0:0:ffff:9015:5995
144.21.89.150 0:0:0:0:0:ffff:9015:5996
144.21.89.151 0:0:0:0:0:ffff:9015:5997
144.21.89.152 0:0:0:0:0:ffff:9015:5998
144.21.89.153 0:0:0:0:0:ffff:9015:5999
144.21.89.154 0:0:0:0:0:ffff:9015:599a
144.21.89.155 0:0:0:0:0:ffff:9015:599b
144.21.89.156 0:0:0:0:0:ffff:9015:599c
144.21.89.157 0:0:0:0:0:ffff:9015:599d
144.21.89.158 0:0:0:0:0:ffff:9015:599e
144.21.89.159 0:0:0:0:0:ffff:9015:599f
144.21.89.160 0:0:0:0:0:ffff:9015:59a0
144.21.89.161 0:0:0:0:0:ffff:9015:59a1
144.21.89.162 0:0:0:0:0:ffff:9015:59a2
144.21.89.163 0:0:0:0:0:ffff:9015:59a3
144.21.89.164 0:0:0:0:0:ffff:9015:59a4
144.21.89.165 0:0:0:0:0:ffff:9015:59a5
144.21.89.166 0:0:0:0:0:ffff:9015:59a6
144.21.89.167 0:0:0:0:0:ffff:9015:59a7
144.21.89.168 0:0:0:0:0:ffff:9015:59a8
144.21.89.169 0:0:0:0:0:ffff:9015:59a9
144.21.89.170 0:0:0:0:0:ffff:9015:59aa
144.21.89.171 0:0:0:0:0:ffff:9015:59ab
144.21.89.172 0:0:0:0:0:ffff:9015:59ac
144.21.89.173 0:0:0:0:0:ffff:9015:59ad
144.21.89.174 0:0:0:0:0:ffff:9015:59ae
144.21.89.175 0:0:0:0:0:ffff:9015:59af
144.21.89.176 0:0:0:0:0:ffff:9015:59b0
144.21.89.177 0:0:0:0:0:ffff:9015:59b1
144.21.89.178 0:0:0:0:0:ffff:9015:59b2
144.21.89.179 0:0:0:0:0:ffff:9015:59b3
144.21.89.180 0:0:0:0:0:ffff:9015:59b4


144.21.89.181 0:0:0:0:0:ffff:9015:59b5
144.21.89.182 0:0:0:0:0:ffff:9015:59b6
144.21.89.183 0:0:0:0:0:ffff:9015:59b7
144.21.89.184 0:0:0:0:0:ffff:9015:59b8
144.21.89.185 0:0:0:0:0:ffff:9015:59b9
144.21.89.186 0:0:0:0:0:ffff:9015:59ba
144.21.89.187 0:0:0:0:0:ffff:9015:59bb
144.21.89.188 0:0:0:0:0:ffff:9015:59bc
144.21.89.189 0:0:0:0:0:ffff:9015:59bd
144.21.89.190 0:0:0:0:0:ffff:9015:59be
144.21.89.191 0:0:0:0:0:ffff:9015:59bf
144.21.89.192 0:0:0:0:0:ffff:9015:59c0
144.21.89.193 0:0:0:0:0:ffff:9015:59c1
144.21.89.194 0:0:0:0:0:ffff:9015:59c2
144.21.89.195 0:0:0:0:0:ffff:9015:59c3
144.21.89.196 0:0:0:0:0:ffff:9015:59c4
144.21.89.197 0:0:0:0:0:ffff:9015:59c5
144.21.89.198 0:0:0:0:0:ffff:9015:59c6
144.21.89.199 0:0:0:0:0:ffff:9015:59c7
144.21.89.200 0:0:0:0:0:ffff:9015:59c8
144.21.89.201 0:0:0:0:0:ffff:9015:59c9
144.21.89.202 0:0:0:0:0:ffff:9015:59ca
144.21.89.203 0:0:0:0:0:ffff:9015:59cb
144.21.89.204 0:0:0:0:0:ffff:9015:59cc
144.21.89.205 0:0:0:0:0:ffff:9015:59cd
144.21.89.206 0:0:0:0:0:ffff:9015:59ce
144.21.89.207 0:0:0:0:0:ffff:9015:59cf
144.21.89.208 0:0:0:0:0:ffff:9015:59d0
144.21.89.209 0:0:0:0:0:ffff:9015:59d1
144.21.89.210 0:0:0:0:0:ffff:9015:59d2
144.21.89.211 0:0:0:0:0:ffff:9015:59d3
144.21.89.212 0:0:0:0:0:ffff:9015:59d4
144.21.89.213 0:0:0:0:0:ffff:9015:59d5
144.21.89.214 0:0:0:0:0:ffff:9015:59d6
144.21.89.215 0:0:0:0:0:ffff:9015:59d7
144.21.89.216 0:0:0:0:0:ffff:9015:59d8
144.21.89.217 0:0:0:0:0:ffff:9015:59d9
144.21.89.218 0:0:0:0:0:ffff:9015:59da
144.21.89.219 0:0:0:0:0:ffff:9015:59db
144.21.89.220 0:0:0:0:0:ffff:9015:59dc
144.21.89.221 0:0:0:0:0:ffff:9015:59dd
144.21.89.222 0:0:0:0:0:ffff:9015:59de
144.21.89.223 0:0:0:0:0:ffff:9015:59df
144.21.89.224 0:0:0:0:0:ffff:9015:59e0
144.21.89.225 0:0:0:0:0:ffff:9015:59e1
144.21.89.226 0:0:0:0:0:ffff:9015:59e2
144.21.89.227 0:0:0:0:0:ffff:9015:59e3
144.21.89.228 0:0:0:0:0:ffff:9015:59e4
144.21.89.229 0:0:0:0:0:ffff:9015:59e5
144.21.89.230 0:0:0:0:0:ffff:9015:59e6
144.21.89.231 0:0:0:0:0:ffff:9015:59e7
144.21.89.232 0:0:0:0:0:ffff:9015:59e8
144.21.89.233 0:0:0:0:0:ffff:9015:59e9
144.21.89.234 0:0:0:0:0:ffff:9015:59ea
144.21.89.235 0:0:0:0:0:ffff:9015:59eb
144.21.89.236 0:0:0:0:0:ffff:9015:59ec
144.21.89.237 0:0:0:0:0:ffff:9015:59ed
144.21.89.238 0:0:0:0:0:ffff:9015:59ee
144.21.89.239 0:0:0:0:0:ffff:9015:59ef
144.21.89.240 0:0:0:0:0:ffff:9015:59f0
144.21.89.241 0:0:0:0:0:ffff:9015:59f1
144.21.89.242 0:0:0:0:0:ffff:9015:59f2
144.21.89.243 0:0:0:0:0:ffff:9015:59f3
144.21.89.244 0:0:0:0:0:ffff:9015:59f4
144.21.89.245 0:0:0:0:0:ffff:9015:59f5
144.21.89.246 0:0:0:0:0:ffff:9015:59f6
144.21.89.247 0:0:0:0:0:ffff:9015:59f7
144.21.89.248 0:0:0:0:0:ffff:9015:59f8
144.21.89.249 0:0:0:0:0:ffff:9015:59f9
144.21.89.250 0:0:0:0:0:ffff:9015:59fa
144.21.89.251 0:0:0:0:0:ffff:9015:59fb
144.21.89.252 0:0:0:0:0:ffff:9015:59fc
144.21.89.253 0:0:0:0:0:ffff:9015:59fd
144.21.89.254 0:0:0:0:0:ffff:9015:59fe
144.21.89.255 0:0:0:0:0:ffff:9015:59ff


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.