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
21.99.89.1 0:0:0:0:0:ffff:1563:5901
21.99.89.2 0:0:0:0:0:ffff:1563:5902
21.99.89.3 0:0:0:0:0:ffff:1563:5903
21.99.89.4 0:0:0:0:0:ffff:1563:5904
21.99.89.5 0:0:0:0:0:ffff:1563:5905
21.99.89.6 0:0:0:0:0:ffff:1563:5906
21.99.89.7 0:0:0:0:0:ffff:1563:5907
21.99.89.8 0:0:0:0:0:ffff:1563:5908
21.99.89.9 0:0:0:0:0:ffff:1563:5909
21.99.89.10 0:0:0:0:0:ffff:1563:590a
21.99.89.11 0:0:0:0:0:ffff:1563:590b
21.99.89.12 0:0:0:0:0:ffff:1563:590c
21.99.89.13 0:0:0:0:0:ffff:1563:590d
21.99.89.14 0:0:0:0:0:ffff:1563:590e
21.99.89.15 0:0:0:0:0:ffff:1563:590f
21.99.89.16 0:0:0:0:0:ffff:1563:5910
21.99.89.17 0:0:0:0:0:ffff:1563:5911
21.99.89.18 0:0:0:0:0:ffff:1563:5912
21.99.89.19 0:0:0:0:0:ffff:1563:5913
21.99.89.20 0:0:0:0:0:ffff:1563:5914
21.99.89.21 0:0:0:0:0:ffff:1563:5915
21.99.89.22 0:0:0:0:0:ffff:1563:5916
21.99.89.23 0:0:0:0:0:ffff:1563:5917
21.99.89.24 0:0:0:0:0:ffff:1563:5918
21.99.89.25 0:0:0:0:0:ffff:1563:5919
21.99.89.26 0:0:0:0:0:ffff:1563:591a
21.99.89.27 0:0:0:0:0:ffff:1563:591b
21.99.89.28 0:0:0:0:0:ffff:1563:591c
21.99.89.29 0:0:0:0:0:ffff:1563:591d
21.99.89.30 0:0:0:0:0:ffff:1563:591e
21.99.89.31 0:0:0:0:0:ffff:1563:591f
21.99.89.32 0:0:0:0:0:ffff:1563:5920
21.99.89.33 0:0:0:0:0:ffff:1563:5921
21.99.89.34 0:0:0:0:0:ffff:1563:5922
21.99.89.35 0:0:0:0:0:ffff:1563:5923
21.99.89.36 0:0:0:0:0:ffff:1563:5924
21.99.89.37 0:0:0:0:0:ffff:1563:5925
21.99.89.38 0:0:0:0:0:ffff:1563:5926
21.99.89.39 0:0:0:0:0:ffff:1563:5927
21.99.89.40 0:0:0:0:0:ffff:1563:5928
21.99.89.41 0:0:0:0:0:ffff:1563:5929
21.99.89.42 0:0:0:0:0:ffff:1563:592a
21.99.89.43 0:0:0:0:0:ffff:1563:592b
21.99.89.44 0:0:0:0:0:ffff:1563:592c
21.99.89.45 0:0:0:0:0:ffff:1563:592d
21.99.89.46 0:0:0:0:0:ffff:1563:592e
21.99.89.47 0:0:0:0:0:ffff:1563:592f
21.99.89.48 0:0:0:0:0:ffff:1563:5930
21.99.89.49 0:0:0:0:0:ffff:1563:5931
21.99.89.50 0:0:0:0:0:ffff:1563:5932
21.99.89.51 0:0:0:0:0:ffff:1563:5933
21.99.89.52 0:0:0:0:0:ffff:1563:5934
21.99.89.53 0:0:0:0:0:ffff:1563:5935
21.99.89.54 0:0:0:0:0:ffff:1563:5936
21.99.89.55 0:0:0:0:0:ffff:1563:5937
21.99.89.56 0:0:0:0:0:ffff:1563:5938
21.99.89.57 0:0:0:0:0:ffff:1563:5939
21.99.89.58 0:0:0:0:0:ffff:1563:593a
21.99.89.59 0:0:0:0:0:ffff:1563:593b
21.99.89.60 0:0:0:0:0:ffff:1563:593c


21.99.89.61 0:0:0:0:0:ffff:1563:593d
21.99.89.62 0:0:0:0:0:ffff:1563:593e
21.99.89.63 0:0:0:0:0:ffff:1563:593f
21.99.89.64 0:0:0:0:0:ffff:1563:5940
21.99.89.65 0:0:0:0:0:ffff:1563:5941
21.99.89.66 0:0:0:0:0:ffff:1563:5942
21.99.89.67 0:0:0:0:0:ffff:1563:5943
21.99.89.68 0:0:0:0:0:ffff:1563:5944
21.99.89.69 0:0:0:0:0:ffff:1563:5945
21.99.89.70 0:0:0:0:0:ffff:1563:5946
21.99.89.71 0:0:0:0:0:ffff:1563:5947
21.99.89.72 0:0:0:0:0:ffff:1563:5948
21.99.89.73 0:0:0:0:0:ffff:1563:5949
21.99.89.74 0:0:0:0:0:ffff:1563:594a
21.99.89.75 0:0:0:0:0:ffff:1563:594b
21.99.89.76 0:0:0:0:0:ffff:1563:594c
21.99.89.77 0:0:0:0:0:ffff:1563:594d
21.99.89.78 0:0:0:0:0:ffff:1563:594e
21.99.89.79 0:0:0:0:0:ffff:1563:594f
21.99.89.80 0:0:0:0:0:ffff:1563:5950
21.99.89.81 0:0:0:0:0:ffff:1563:5951
21.99.89.82 0:0:0:0:0:ffff:1563:5952
21.99.89.83 0:0:0:0:0:ffff:1563:5953
21.99.89.84 0:0:0:0:0:ffff:1563:5954
21.99.89.85 0:0:0:0:0:ffff:1563:5955
21.99.89.86 0:0:0:0:0:ffff:1563:5956
21.99.89.87 0:0:0:0:0:ffff:1563:5957
21.99.89.88 0:0:0:0:0:ffff:1563:5958
21.99.89.89 0:0:0:0:0:ffff:1563:5959
21.99.89.90 0:0:0:0:0:ffff:1563:595a
21.99.89.91 0:0:0:0:0:ffff:1563:595b
21.99.89.92 0:0:0:0:0:ffff:1563:595c
21.99.89.93 0:0:0:0:0:ffff:1563:595d
21.99.89.94 0:0:0:0:0:ffff:1563:595e
21.99.89.95 0:0:0:0:0:ffff:1563:595f
21.99.89.96 0:0:0:0:0:ffff:1563:5960
21.99.89.97 0:0:0:0:0:ffff:1563:5961
21.99.89.98 0:0:0:0:0:ffff:1563:5962
21.99.89.99 0:0:0:0:0:ffff:1563:5963
21.99.89.100 0:0:0:0:0:ffff:1563:5964
21.99.89.101 0:0:0:0:0:ffff:1563:5965
21.99.89.102 0:0:0:0:0:ffff:1563:5966
21.99.89.103 0:0:0:0:0:ffff:1563:5967
21.99.89.104 0:0:0:0:0:ffff:1563:5968
21.99.89.105 0:0:0:0:0:ffff:1563:5969
21.99.89.106 0:0:0:0:0:ffff:1563:596a
21.99.89.107 0:0:0:0:0:ffff:1563:596b
21.99.89.108 0:0:0:0:0:ffff:1563:596c
21.99.89.109 0:0:0:0:0:ffff:1563:596d
21.99.89.110 0:0:0:0:0:ffff:1563:596e
21.99.89.111 0:0:0:0:0:ffff:1563:596f
21.99.89.112 0:0:0:0:0:ffff:1563:5970
21.99.89.113 0:0:0:0:0:ffff:1563:5971
21.99.89.114 0:0:0:0:0:ffff:1563:5972
21.99.89.115 0:0:0:0:0:ffff:1563:5973
21.99.89.116 0:0:0:0:0:ffff:1563:5974
21.99.89.117 0:0:0:0:0:ffff:1563:5975
21.99.89.118 0:0:0:0:0:ffff:1563:5976
21.99.89.119 0:0:0:0:0:ffff:1563:5977
21.99.89.120 0:0:0:0:0:ffff:1563:5978


21.99.89.121 0:0:0:0:0:ffff:1563:5979
21.99.89.122 0:0:0:0:0:ffff:1563:597a
21.99.89.123 0:0:0:0:0:ffff:1563:597b
21.99.89.124 0:0:0:0:0:ffff:1563:597c
21.99.89.125 0:0:0:0:0:ffff:1563:597d
21.99.89.126 0:0:0:0:0:ffff:1563:597e
21.99.89.127 0:0:0:0:0:ffff:1563:597f
21.99.89.128 0:0:0:0:0:ffff:1563:5980
21.99.89.129 0:0:0:0:0:ffff:1563:5981
21.99.89.130 0:0:0:0:0:ffff:1563:5982
21.99.89.131 0:0:0:0:0:ffff:1563:5983
21.99.89.132 0:0:0:0:0:ffff:1563:5984
21.99.89.133 0:0:0:0:0:ffff:1563:5985
21.99.89.134 0:0:0:0:0:ffff:1563:5986
21.99.89.135 0:0:0:0:0:ffff:1563:5987
21.99.89.136 0:0:0:0:0:ffff:1563:5988
21.99.89.137 0:0:0:0:0:ffff:1563:5989
21.99.89.138 0:0:0:0:0:ffff:1563:598a
21.99.89.139 0:0:0:0:0:ffff:1563:598b
21.99.89.140 0:0:0:0:0:ffff:1563:598c
21.99.89.141 0:0:0:0:0:ffff:1563:598d
21.99.89.142 0:0:0:0:0:ffff:1563:598e
21.99.89.143 0:0:0:0:0:ffff:1563:598f
21.99.89.144 0:0:0:0:0:ffff:1563:5990
21.99.89.145 0:0:0:0:0:ffff:1563:5991
21.99.89.146 0:0:0:0:0:ffff:1563:5992
21.99.89.147 0:0:0:0:0:ffff:1563:5993
21.99.89.148 0:0:0:0:0:ffff:1563:5994
21.99.89.149 0:0:0:0:0:ffff:1563:5995
21.99.89.150 0:0:0:0:0:ffff:1563:5996
21.99.89.151 0:0:0:0:0:ffff:1563:5997
21.99.89.152 0:0:0:0:0:ffff:1563:5998
21.99.89.153 0:0:0:0:0:ffff:1563:5999
21.99.89.154 0:0:0:0:0:ffff:1563:599a
21.99.89.155 0:0:0:0:0:ffff:1563:599b
21.99.89.156 0:0:0:0:0:ffff:1563:599c
21.99.89.157 0:0:0:0:0:ffff:1563:599d
21.99.89.158 0:0:0:0:0:ffff:1563:599e
21.99.89.159 0:0:0:0:0:ffff:1563:599f
21.99.89.160 0:0:0:0:0:ffff:1563:59a0
21.99.89.161 0:0:0:0:0:ffff:1563:59a1
21.99.89.162 0:0:0:0:0:ffff:1563:59a2
21.99.89.163 0:0:0:0:0:ffff:1563:59a3
21.99.89.164 0:0:0:0:0:ffff:1563:59a4
21.99.89.165 0:0:0:0:0:ffff:1563:59a5
21.99.89.166 0:0:0:0:0:ffff:1563:59a6
21.99.89.167 0:0:0:0:0:ffff:1563:59a7
21.99.89.168 0:0:0:0:0:ffff:1563:59a8
21.99.89.169 0:0:0:0:0:ffff:1563:59a9
21.99.89.170 0:0:0:0:0:ffff:1563:59aa
21.99.89.171 0:0:0:0:0:ffff:1563:59ab
21.99.89.172 0:0:0:0:0:ffff:1563:59ac
21.99.89.173 0:0:0:0:0:ffff:1563:59ad
21.99.89.174 0:0:0:0:0:ffff:1563:59ae
21.99.89.175 0:0:0:0:0:ffff:1563:59af
21.99.89.176 0:0:0:0:0:ffff:1563:59b0
21.99.89.177 0:0:0:0:0:ffff:1563:59b1
21.99.89.178 0:0:0:0:0:ffff:1563:59b2
21.99.89.179 0:0:0:0:0:ffff:1563:59b3
21.99.89.180 0:0:0:0:0:ffff:1563:59b4


21.99.89.181 0:0:0:0:0:ffff:1563:59b5
21.99.89.182 0:0:0:0:0:ffff:1563:59b6
21.99.89.183 0:0:0:0:0:ffff:1563:59b7
21.99.89.184 0:0:0:0:0:ffff:1563:59b8
21.99.89.185 0:0:0:0:0:ffff:1563:59b9
21.99.89.186 0:0:0:0:0:ffff:1563:59ba
21.99.89.187 0:0:0:0:0:ffff:1563:59bb
21.99.89.188 0:0:0:0:0:ffff:1563:59bc
21.99.89.189 0:0:0:0:0:ffff:1563:59bd
21.99.89.190 0:0:0:0:0:ffff:1563:59be
21.99.89.191 0:0:0:0:0:ffff:1563:59bf
21.99.89.192 0:0:0:0:0:ffff:1563:59c0
21.99.89.193 0:0:0:0:0:ffff:1563:59c1
21.99.89.194 0:0:0:0:0:ffff:1563:59c2
21.99.89.195 0:0:0:0:0:ffff:1563:59c3
21.99.89.196 0:0:0:0:0:ffff:1563:59c4
21.99.89.197 0:0:0:0:0:ffff:1563:59c5
21.99.89.198 0:0:0:0:0:ffff:1563:59c6
21.99.89.199 0:0:0:0:0:ffff:1563:59c7
21.99.89.200 0:0:0:0:0:ffff:1563:59c8
21.99.89.201 0:0:0:0:0:ffff:1563:59c9
21.99.89.202 0:0:0:0:0:ffff:1563:59ca
21.99.89.203 0:0:0:0:0:ffff:1563:59cb
21.99.89.204 0:0:0:0:0:ffff:1563:59cc
21.99.89.205 0:0:0:0:0:ffff:1563:59cd
21.99.89.206 0:0:0:0:0:ffff:1563:59ce
21.99.89.207 0:0:0:0:0:ffff:1563:59cf
21.99.89.208 0:0:0:0:0:ffff:1563:59d0
21.99.89.209 0:0:0:0:0:ffff:1563:59d1
21.99.89.210 0:0:0:0:0:ffff:1563:59d2
21.99.89.211 0:0:0:0:0:ffff:1563:59d3
21.99.89.212 0:0:0:0:0:ffff:1563:59d4
21.99.89.213 0:0:0:0:0:ffff:1563:59d5
21.99.89.214 0:0:0:0:0:ffff:1563:59d6
21.99.89.215 0:0:0:0:0:ffff:1563:59d7
21.99.89.216 0:0:0:0:0:ffff:1563:59d8
21.99.89.217 0:0:0:0:0:ffff:1563:59d9
21.99.89.218 0:0:0:0:0:ffff:1563:59da
21.99.89.219 0:0:0:0:0:ffff:1563:59db
21.99.89.220 0:0:0:0:0:ffff:1563:59dc
21.99.89.221 0:0:0:0:0:ffff:1563:59dd
21.99.89.222 0:0:0:0:0:ffff:1563:59de
21.99.89.223 0:0:0:0:0:ffff:1563:59df
21.99.89.224 0:0:0:0:0:ffff:1563:59e0
21.99.89.225 0:0:0:0:0:ffff:1563:59e1
21.99.89.226 0:0:0:0:0:ffff:1563:59e2
21.99.89.227 0:0:0:0:0:ffff:1563:59e3
21.99.89.228 0:0:0:0:0:ffff:1563:59e4
21.99.89.229 0:0:0:0:0:ffff:1563:59e5
21.99.89.230 0:0:0:0:0:ffff:1563:59e6
21.99.89.231 0:0:0:0:0:ffff:1563:59e7
21.99.89.232 0:0:0:0:0:ffff:1563:59e8
21.99.89.233 0:0:0:0:0:ffff:1563:59e9
21.99.89.234 0:0:0:0:0:ffff:1563:59ea
21.99.89.235 0:0:0:0:0:ffff:1563:59eb
21.99.89.236 0:0:0:0:0:ffff:1563:59ec
21.99.89.237 0:0:0:0:0:ffff:1563:59ed
21.99.89.238 0:0:0:0:0:ffff:1563:59ee
21.99.89.239 0:0:0:0:0:ffff:1563:59ef
21.99.89.240 0:0:0:0:0:ffff:1563:59f0
21.99.89.241 0:0:0:0:0:ffff:1563:59f1
21.99.89.242 0:0:0:0:0:ffff:1563:59f2
21.99.89.243 0:0:0:0:0:ffff:1563:59f3
21.99.89.244 0:0:0:0:0:ffff:1563:59f4
21.99.89.245 0:0:0:0:0:ffff:1563:59f5
21.99.89.246 0:0:0:0:0:ffff:1563:59f6
21.99.89.247 0:0:0:0:0:ffff:1563:59f7
21.99.89.248 0:0:0:0:0:ffff:1563:59f8
21.99.89.249 0:0:0:0:0:ffff:1563:59f9
21.99.89.250 0:0:0:0:0:ffff:1563:59fa
21.99.89.251 0:0:0:0:0:ffff:1563:59fb
21.99.89.252 0:0:0:0:0:ffff:1563:59fc
21.99.89.253 0:0:0:0:0:ffff:1563:59fd
21.99.89.254 0:0:0:0:0:ffff:1563:59fe
21.99.89.255 0:0:0:0:0:ffff:1563:59ff


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.