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
51.151.89.1 0:0:0:0:0:ffff:3397:5901
51.151.89.2 0:0:0:0:0:ffff:3397:5902
51.151.89.3 0:0:0:0:0:ffff:3397:5903
51.151.89.4 0:0:0:0:0:ffff:3397:5904
51.151.89.5 0:0:0:0:0:ffff:3397:5905
51.151.89.6 0:0:0:0:0:ffff:3397:5906
51.151.89.7 0:0:0:0:0:ffff:3397:5907
51.151.89.8 0:0:0:0:0:ffff:3397:5908
51.151.89.9 0:0:0:0:0:ffff:3397:5909
51.151.89.10 0:0:0:0:0:ffff:3397:590a
51.151.89.11 0:0:0:0:0:ffff:3397:590b
51.151.89.12 0:0:0:0:0:ffff:3397:590c
51.151.89.13 0:0:0:0:0:ffff:3397:590d
51.151.89.14 0:0:0:0:0:ffff:3397:590e
51.151.89.15 0:0:0:0:0:ffff:3397:590f
51.151.89.16 0:0:0:0:0:ffff:3397:5910
51.151.89.17 0:0:0:0:0:ffff:3397:5911
51.151.89.18 0:0:0:0:0:ffff:3397:5912
51.151.89.19 0:0:0:0:0:ffff:3397:5913
51.151.89.20 0:0:0:0:0:ffff:3397:5914
51.151.89.21 0:0:0:0:0:ffff:3397:5915
51.151.89.22 0:0:0:0:0:ffff:3397:5916
51.151.89.23 0:0:0:0:0:ffff:3397:5917
51.151.89.24 0:0:0:0:0:ffff:3397:5918
51.151.89.25 0:0:0:0:0:ffff:3397:5919
51.151.89.26 0:0:0:0:0:ffff:3397:591a
51.151.89.27 0:0:0:0:0:ffff:3397:591b
51.151.89.28 0:0:0:0:0:ffff:3397:591c
51.151.89.29 0:0:0:0:0:ffff:3397:591d
51.151.89.30 0:0:0:0:0:ffff:3397:591e
51.151.89.31 0:0:0:0:0:ffff:3397:591f
51.151.89.32 0:0:0:0:0:ffff:3397:5920
51.151.89.33 0:0:0:0:0:ffff:3397:5921
51.151.89.34 0:0:0:0:0:ffff:3397:5922
51.151.89.35 0:0:0:0:0:ffff:3397:5923
51.151.89.36 0:0:0:0:0:ffff:3397:5924
51.151.89.37 0:0:0:0:0:ffff:3397:5925
51.151.89.38 0:0:0:0:0:ffff:3397:5926
51.151.89.39 0:0:0:0:0:ffff:3397:5927
51.151.89.40 0:0:0:0:0:ffff:3397:5928
51.151.89.41 0:0:0:0:0:ffff:3397:5929
51.151.89.42 0:0:0:0:0:ffff:3397:592a
51.151.89.43 0:0:0:0:0:ffff:3397:592b
51.151.89.44 0:0:0:0:0:ffff:3397:592c
51.151.89.45 0:0:0:0:0:ffff:3397:592d
51.151.89.46 0:0:0:0:0:ffff:3397:592e
51.151.89.47 0:0:0:0:0:ffff:3397:592f
51.151.89.48 0:0:0:0:0:ffff:3397:5930
51.151.89.49 0:0:0:0:0:ffff:3397:5931
51.151.89.50 0:0:0:0:0:ffff:3397:5932
51.151.89.51 0:0:0:0:0:ffff:3397:5933
51.151.89.52 0:0:0:0:0:ffff:3397:5934
51.151.89.53 0:0:0:0:0:ffff:3397:5935
51.151.89.54 0:0:0:0:0:ffff:3397:5936
51.151.89.55 0:0:0:0:0:ffff:3397:5937
51.151.89.56 0:0:0:0:0:ffff:3397:5938
51.151.89.57 0:0:0:0:0:ffff:3397:5939
51.151.89.58 0:0:0:0:0:ffff:3397:593a
51.151.89.59 0:0:0:0:0:ffff:3397:593b
51.151.89.60 0:0:0:0:0:ffff:3397:593c


51.151.89.61 0:0:0:0:0:ffff:3397:593d
51.151.89.62 0:0:0:0:0:ffff:3397:593e
51.151.89.63 0:0:0:0:0:ffff:3397:593f
51.151.89.64 0:0:0:0:0:ffff:3397:5940
51.151.89.65 0:0:0:0:0:ffff:3397:5941
51.151.89.66 0:0:0:0:0:ffff:3397:5942
51.151.89.67 0:0:0:0:0:ffff:3397:5943
51.151.89.68 0:0:0:0:0:ffff:3397:5944
51.151.89.69 0:0:0:0:0:ffff:3397:5945
51.151.89.70 0:0:0:0:0:ffff:3397:5946
51.151.89.71 0:0:0:0:0:ffff:3397:5947
51.151.89.72 0:0:0:0:0:ffff:3397:5948
51.151.89.73 0:0:0:0:0:ffff:3397:5949
51.151.89.74 0:0:0:0:0:ffff:3397:594a
51.151.89.75 0:0:0:0:0:ffff:3397:594b
51.151.89.76 0:0:0:0:0:ffff:3397:594c
51.151.89.77 0:0:0:0:0:ffff:3397:594d
51.151.89.78 0:0:0:0:0:ffff:3397:594e
51.151.89.79 0:0:0:0:0:ffff:3397:594f
51.151.89.80 0:0:0:0:0:ffff:3397:5950
51.151.89.81 0:0:0:0:0:ffff:3397:5951
51.151.89.82 0:0:0:0:0:ffff:3397:5952
51.151.89.83 0:0:0:0:0:ffff:3397:5953
51.151.89.84 0:0:0:0:0:ffff:3397:5954
51.151.89.85 0:0:0:0:0:ffff:3397:5955
51.151.89.86 0:0:0:0:0:ffff:3397:5956
51.151.89.87 0:0:0:0:0:ffff:3397:5957
51.151.89.88 0:0:0:0:0:ffff:3397:5958
51.151.89.89 0:0:0:0:0:ffff:3397:5959
51.151.89.90 0:0:0:0:0:ffff:3397:595a
51.151.89.91 0:0:0:0:0:ffff:3397:595b
51.151.89.92 0:0:0:0:0:ffff:3397:595c
51.151.89.93 0:0:0:0:0:ffff:3397:595d
51.151.89.94 0:0:0:0:0:ffff:3397:595e
51.151.89.95 0:0:0:0:0:ffff:3397:595f
51.151.89.96 0:0:0:0:0:ffff:3397:5960
51.151.89.97 0:0:0:0:0:ffff:3397:5961
51.151.89.98 0:0:0:0:0:ffff:3397:5962
51.151.89.99 0:0:0:0:0:ffff:3397:5963
51.151.89.100 0:0:0:0:0:ffff:3397:5964
51.151.89.101 0:0:0:0:0:ffff:3397:5965
51.151.89.102 0:0:0:0:0:ffff:3397:5966
51.151.89.103 0:0:0:0:0:ffff:3397:5967
51.151.89.104 0:0:0:0:0:ffff:3397:5968
51.151.89.105 0:0:0:0:0:ffff:3397:5969
51.151.89.106 0:0:0:0:0:ffff:3397:596a
51.151.89.107 0:0:0:0:0:ffff:3397:596b
51.151.89.108 0:0:0:0:0:ffff:3397:596c
51.151.89.109 0:0:0:0:0:ffff:3397:596d
51.151.89.110 0:0:0:0:0:ffff:3397:596e
51.151.89.111 0:0:0:0:0:ffff:3397:596f
51.151.89.112 0:0:0:0:0:ffff:3397:5970
51.151.89.113 0:0:0:0:0:ffff:3397:5971
51.151.89.114 0:0:0:0:0:ffff:3397:5972
51.151.89.115 0:0:0:0:0:ffff:3397:5973
51.151.89.116 0:0:0:0:0:ffff:3397:5974
51.151.89.117 0:0:0:0:0:ffff:3397:5975
51.151.89.118 0:0:0:0:0:ffff:3397:5976
51.151.89.119 0:0:0:0:0:ffff:3397:5977
51.151.89.120 0:0:0:0:0:ffff:3397:5978


51.151.89.121 0:0:0:0:0:ffff:3397:5979
51.151.89.122 0:0:0:0:0:ffff:3397:597a
51.151.89.123 0:0:0:0:0:ffff:3397:597b
51.151.89.124 0:0:0:0:0:ffff:3397:597c
51.151.89.125 0:0:0:0:0:ffff:3397:597d
51.151.89.126 0:0:0:0:0:ffff:3397:597e
51.151.89.127 0:0:0:0:0:ffff:3397:597f
51.151.89.128 0:0:0:0:0:ffff:3397:5980
51.151.89.129 0:0:0:0:0:ffff:3397:5981
51.151.89.130 0:0:0:0:0:ffff:3397:5982
51.151.89.131 0:0:0:0:0:ffff:3397:5983
51.151.89.132 0:0:0:0:0:ffff:3397:5984
51.151.89.133 0:0:0:0:0:ffff:3397:5985
51.151.89.134 0:0:0:0:0:ffff:3397:5986
51.151.89.135 0:0:0:0:0:ffff:3397:5987
51.151.89.136 0:0:0:0:0:ffff:3397:5988
51.151.89.137 0:0:0:0:0:ffff:3397:5989
51.151.89.138 0:0:0:0:0:ffff:3397:598a
51.151.89.139 0:0:0:0:0:ffff:3397:598b
51.151.89.140 0:0:0:0:0:ffff:3397:598c
51.151.89.141 0:0:0:0:0:ffff:3397:598d
51.151.89.142 0:0:0:0:0:ffff:3397:598e
51.151.89.143 0:0:0:0:0:ffff:3397:598f
51.151.89.144 0:0:0:0:0:ffff:3397:5990
51.151.89.145 0:0:0:0:0:ffff:3397:5991
51.151.89.146 0:0:0:0:0:ffff:3397:5992
51.151.89.147 0:0:0:0:0:ffff:3397:5993
51.151.89.148 0:0:0:0:0:ffff:3397:5994
51.151.89.149 0:0:0:0:0:ffff:3397:5995
51.151.89.150 0:0:0:0:0:ffff:3397:5996
51.151.89.151 0:0:0:0:0:ffff:3397:5997
51.151.89.152 0:0:0:0:0:ffff:3397:5998
51.151.89.153 0:0:0:0:0:ffff:3397:5999
51.151.89.154 0:0:0:0:0:ffff:3397:599a
51.151.89.155 0:0:0:0:0:ffff:3397:599b
51.151.89.156 0:0:0:0:0:ffff:3397:599c
51.151.89.157 0:0:0:0:0:ffff:3397:599d
51.151.89.158 0:0:0:0:0:ffff:3397:599e
51.151.89.159 0:0:0:0:0:ffff:3397:599f
51.151.89.160 0:0:0:0:0:ffff:3397:59a0
51.151.89.161 0:0:0:0:0:ffff:3397:59a1
51.151.89.162 0:0:0:0:0:ffff:3397:59a2
51.151.89.163 0:0:0:0:0:ffff:3397:59a3
51.151.89.164 0:0:0:0:0:ffff:3397:59a4
51.151.89.165 0:0:0:0:0:ffff:3397:59a5
51.151.89.166 0:0:0:0:0:ffff:3397:59a6
51.151.89.167 0:0:0:0:0:ffff:3397:59a7
51.151.89.168 0:0:0:0:0:ffff:3397:59a8
51.151.89.169 0:0:0:0:0:ffff:3397:59a9
51.151.89.170 0:0:0:0:0:ffff:3397:59aa
51.151.89.171 0:0:0:0:0:ffff:3397:59ab
51.151.89.172 0:0:0:0:0:ffff:3397:59ac
51.151.89.173 0:0:0:0:0:ffff:3397:59ad
51.151.89.174 0:0:0:0:0:ffff:3397:59ae
51.151.89.175 0:0:0:0:0:ffff:3397:59af
51.151.89.176 0:0:0:0:0:ffff:3397:59b0
51.151.89.177 0:0:0:0:0:ffff:3397:59b1
51.151.89.178 0:0:0:0:0:ffff:3397:59b2
51.151.89.179 0:0:0:0:0:ffff:3397:59b3
51.151.89.180 0:0:0:0:0:ffff:3397:59b4


51.151.89.181 0:0:0:0:0:ffff:3397:59b5
51.151.89.182 0:0:0:0:0:ffff:3397:59b6
51.151.89.183 0:0:0:0:0:ffff:3397:59b7
51.151.89.184 0:0:0:0:0:ffff:3397:59b8
51.151.89.185 0:0:0:0:0:ffff:3397:59b9
51.151.89.186 0:0:0:0:0:ffff:3397:59ba
51.151.89.187 0:0:0:0:0:ffff:3397:59bb
51.151.89.188 0:0:0:0:0:ffff:3397:59bc
51.151.89.189 0:0:0:0:0:ffff:3397:59bd
51.151.89.190 0:0:0:0:0:ffff:3397:59be
51.151.89.191 0:0:0:0:0:ffff:3397:59bf
51.151.89.192 0:0:0:0:0:ffff:3397:59c0
51.151.89.193 0:0:0:0:0:ffff:3397:59c1
51.151.89.194 0:0:0:0:0:ffff:3397:59c2
51.151.89.195 0:0:0:0:0:ffff:3397:59c3
51.151.89.196 0:0:0:0:0:ffff:3397:59c4
51.151.89.197 0:0:0:0:0:ffff:3397:59c5
51.151.89.198 0:0:0:0:0:ffff:3397:59c6
51.151.89.199 0:0:0:0:0:ffff:3397:59c7
51.151.89.200 0:0:0:0:0:ffff:3397:59c8
51.151.89.201 0:0:0:0:0:ffff:3397:59c9
51.151.89.202 0:0:0:0:0:ffff:3397:59ca
51.151.89.203 0:0:0:0:0:ffff:3397:59cb
51.151.89.204 0:0:0:0:0:ffff:3397:59cc
51.151.89.205 0:0:0:0:0:ffff:3397:59cd
51.151.89.206 0:0:0:0:0:ffff:3397:59ce
51.151.89.207 0:0:0:0:0:ffff:3397:59cf
51.151.89.208 0:0:0:0:0:ffff:3397:59d0
51.151.89.209 0:0:0:0:0:ffff:3397:59d1
51.151.89.210 0:0:0:0:0:ffff:3397:59d2
51.151.89.211 0:0:0:0:0:ffff:3397:59d3
51.151.89.212 0:0:0:0:0:ffff:3397:59d4
51.151.89.213 0:0:0:0:0:ffff:3397:59d5
51.151.89.214 0:0:0:0:0:ffff:3397:59d6
51.151.89.215 0:0:0:0:0:ffff:3397:59d7
51.151.89.216 0:0:0:0:0:ffff:3397:59d8
51.151.89.217 0:0:0:0:0:ffff:3397:59d9
51.151.89.218 0:0:0:0:0:ffff:3397:59da
51.151.89.219 0:0:0:0:0:ffff:3397:59db
51.151.89.220 0:0:0:0:0:ffff:3397:59dc
51.151.89.221 0:0:0:0:0:ffff:3397:59dd
51.151.89.222 0:0:0:0:0:ffff:3397:59de
51.151.89.223 0:0:0:0:0:ffff:3397:59df
51.151.89.224 0:0:0:0:0:ffff:3397:59e0
51.151.89.225 0:0:0:0:0:ffff:3397:59e1
51.151.89.226 0:0:0:0:0:ffff:3397:59e2
51.151.89.227 0:0:0:0:0:ffff:3397:59e3
51.151.89.228 0:0:0:0:0:ffff:3397:59e4
51.151.89.229 0:0:0:0:0:ffff:3397:59e5
51.151.89.230 0:0:0:0:0:ffff:3397:59e6
51.151.89.231 0:0:0:0:0:ffff:3397:59e7
51.151.89.232 0:0:0:0:0:ffff:3397:59e8
51.151.89.233 0:0:0:0:0:ffff:3397:59e9
51.151.89.234 0:0:0:0:0:ffff:3397:59ea
51.151.89.235 0:0:0:0:0:ffff:3397:59eb
51.151.89.236 0:0:0:0:0:ffff:3397:59ec
51.151.89.237 0:0:0:0:0:ffff:3397:59ed
51.151.89.238 0:0:0:0:0:ffff:3397:59ee
51.151.89.239 0:0:0:0:0:ffff:3397:59ef
51.151.89.240 0:0:0:0:0:ffff:3397:59f0
51.151.89.241 0:0:0:0:0:ffff:3397:59f1
51.151.89.242 0:0:0:0:0:ffff:3397:59f2
51.151.89.243 0:0:0:0:0:ffff:3397:59f3
51.151.89.244 0:0:0:0:0:ffff:3397:59f4
51.151.89.245 0:0:0:0:0:ffff:3397:59f5
51.151.89.246 0:0:0:0:0:ffff:3397:59f6
51.151.89.247 0:0:0:0:0:ffff:3397:59f7
51.151.89.248 0:0:0:0:0:ffff:3397:59f8
51.151.89.249 0:0:0:0:0:ffff:3397:59f9
51.151.89.250 0:0:0:0:0:ffff:3397:59fa
51.151.89.251 0:0:0:0:0:ffff:3397:59fb
51.151.89.252 0:0:0:0:0:ffff:3397:59fc
51.151.89.253 0:0:0:0:0:ffff:3397:59fd
51.151.89.254 0:0:0:0:0:ffff:3397:59fe
51.151.89.255 0:0:0:0:0:ffff:3397:59ff


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.