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
91.2.151.1 0:0:0:0:0:ffff:5b02:9701
91.2.151.2 0:0:0:0:0:ffff:5b02:9702
91.2.151.3 0:0:0:0:0:ffff:5b02:9703
91.2.151.4 0:0:0:0:0:ffff:5b02:9704
91.2.151.5 0:0:0:0:0:ffff:5b02:9705
91.2.151.6 0:0:0:0:0:ffff:5b02:9706
91.2.151.7 0:0:0:0:0:ffff:5b02:9707
91.2.151.8 0:0:0:0:0:ffff:5b02:9708
91.2.151.9 0:0:0:0:0:ffff:5b02:9709
91.2.151.10 0:0:0:0:0:ffff:5b02:970a
91.2.151.11 0:0:0:0:0:ffff:5b02:970b
91.2.151.12 0:0:0:0:0:ffff:5b02:970c
91.2.151.13 0:0:0:0:0:ffff:5b02:970d
91.2.151.14 0:0:0:0:0:ffff:5b02:970e
91.2.151.15 0:0:0:0:0:ffff:5b02:970f
91.2.151.16 0:0:0:0:0:ffff:5b02:9710
91.2.151.17 0:0:0:0:0:ffff:5b02:9711
91.2.151.18 0:0:0:0:0:ffff:5b02:9712
91.2.151.19 0:0:0:0:0:ffff:5b02:9713
91.2.151.20 0:0:0:0:0:ffff:5b02:9714
91.2.151.21 0:0:0:0:0:ffff:5b02:9715
91.2.151.22 0:0:0:0:0:ffff:5b02:9716
91.2.151.23 0:0:0:0:0:ffff:5b02:9717
91.2.151.24 0:0:0:0:0:ffff:5b02:9718
91.2.151.25 0:0:0:0:0:ffff:5b02:9719
91.2.151.26 0:0:0:0:0:ffff:5b02:971a
91.2.151.27 0:0:0:0:0:ffff:5b02:971b
91.2.151.28 0:0:0:0:0:ffff:5b02:971c
91.2.151.29 0:0:0:0:0:ffff:5b02:971d
91.2.151.30 0:0:0:0:0:ffff:5b02:971e
91.2.151.31 0:0:0:0:0:ffff:5b02:971f
91.2.151.32 0:0:0:0:0:ffff:5b02:9720
91.2.151.33 0:0:0:0:0:ffff:5b02:9721
91.2.151.34 0:0:0:0:0:ffff:5b02:9722
91.2.151.35 0:0:0:0:0:ffff:5b02:9723
91.2.151.36 0:0:0:0:0:ffff:5b02:9724
91.2.151.37 0:0:0:0:0:ffff:5b02:9725
91.2.151.38 0:0:0:0:0:ffff:5b02:9726
91.2.151.39 0:0:0:0:0:ffff:5b02:9727
91.2.151.40 0:0:0:0:0:ffff:5b02:9728
91.2.151.41 0:0:0:0:0:ffff:5b02:9729
91.2.151.42 0:0:0:0:0:ffff:5b02:972a
91.2.151.43 0:0:0:0:0:ffff:5b02:972b
91.2.151.44 0:0:0:0:0:ffff:5b02:972c
91.2.151.45 0:0:0:0:0:ffff:5b02:972d
91.2.151.46 0:0:0:0:0:ffff:5b02:972e
91.2.151.47 0:0:0:0:0:ffff:5b02:972f
91.2.151.48 0:0:0:0:0:ffff:5b02:9730
91.2.151.49 0:0:0:0:0:ffff:5b02:9731
91.2.151.50 0:0:0:0:0:ffff:5b02:9732
91.2.151.51 0:0:0:0:0:ffff:5b02:9733
91.2.151.52 0:0:0:0:0:ffff:5b02:9734
91.2.151.53 0:0:0:0:0:ffff:5b02:9735
91.2.151.54 0:0:0:0:0:ffff:5b02:9736
91.2.151.55 0:0:0:0:0:ffff:5b02:9737
91.2.151.56 0:0:0:0:0:ffff:5b02:9738
91.2.151.57 0:0:0:0:0:ffff:5b02:9739
91.2.151.58 0:0:0:0:0:ffff:5b02:973a
91.2.151.59 0:0:0:0:0:ffff:5b02:973b
91.2.151.60 0:0:0:0:0:ffff:5b02:973c


91.2.151.61 0:0:0:0:0:ffff:5b02:973d
91.2.151.62 0:0:0:0:0:ffff:5b02:973e
91.2.151.63 0:0:0:0:0:ffff:5b02:973f
91.2.151.64 0:0:0:0:0:ffff:5b02:9740
91.2.151.65 0:0:0:0:0:ffff:5b02:9741
91.2.151.66 0:0:0:0:0:ffff:5b02:9742
91.2.151.67 0:0:0:0:0:ffff:5b02:9743
91.2.151.68 0:0:0:0:0:ffff:5b02:9744
91.2.151.69 0:0:0:0:0:ffff:5b02:9745
91.2.151.70 0:0:0:0:0:ffff:5b02:9746
91.2.151.71 0:0:0:0:0:ffff:5b02:9747
91.2.151.72 0:0:0:0:0:ffff:5b02:9748
91.2.151.73 0:0:0:0:0:ffff:5b02:9749
91.2.151.74 0:0:0:0:0:ffff:5b02:974a
91.2.151.75 0:0:0:0:0:ffff:5b02:974b
91.2.151.76 0:0:0:0:0:ffff:5b02:974c
91.2.151.77 0:0:0:0:0:ffff:5b02:974d
91.2.151.78 0:0:0:0:0:ffff:5b02:974e
91.2.151.79 0:0:0:0:0:ffff:5b02:974f
91.2.151.80 0:0:0:0:0:ffff:5b02:9750
91.2.151.81 0:0:0:0:0:ffff:5b02:9751
91.2.151.82 0:0:0:0:0:ffff:5b02:9752
91.2.151.83 0:0:0:0:0:ffff:5b02:9753
91.2.151.84 0:0:0:0:0:ffff:5b02:9754
91.2.151.85 0:0:0:0:0:ffff:5b02:9755
91.2.151.86 0:0:0:0:0:ffff:5b02:9756
91.2.151.87 0:0:0:0:0:ffff:5b02:9757
91.2.151.88 0:0:0:0:0:ffff:5b02:9758
91.2.151.89 0:0:0:0:0:ffff:5b02:9759
91.2.151.90 0:0:0:0:0:ffff:5b02:975a
91.2.151.91 0:0:0:0:0:ffff:5b02:975b
91.2.151.92 0:0:0:0:0:ffff:5b02:975c
91.2.151.93 0:0:0:0:0:ffff:5b02:975d
91.2.151.94 0:0:0:0:0:ffff:5b02:975e
91.2.151.95 0:0:0:0:0:ffff:5b02:975f
91.2.151.96 0:0:0:0:0:ffff:5b02:9760
91.2.151.97 0:0:0:0:0:ffff:5b02:9761
91.2.151.98 0:0:0:0:0:ffff:5b02:9762
91.2.151.99 0:0:0:0:0:ffff:5b02:9763
91.2.151.100 0:0:0:0:0:ffff:5b02:9764
91.2.151.101 0:0:0:0:0:ffff:5b02:9765
91.2.151.102 0:0:0:0:0:ffff:5b02:9766
91.2.151.103 0:0:0:0:0:ffff:5b02:9767
91.2.151.104 0:0:0:0:0:ffff:5b02:9768
91.2.151.105 0:0:0:0:0:ffff:5b02:9769
91.2.151.106 0:0:0:0:0:ffff:5b02:976a
91.2.151.107 0:0:0:0:0:ffff:5b02:976b
91.2.151.108 0:0:0:0:0:ffff:5b02:976c
91.2.151.109 0:0:0:0:0:ffff:5b02:976d
91.2.151.110 0:0:0:0:0:ffff:5b02:976e
91.2.151.111 0:0:0:0:0:ffff:5b02:976f
91.2.151.112 0:0:0:0:0:ffff:5b02:9770
91.2.151.113 0:0:0:0:0:ffff:5b02:9771
91.2.151.114 0:0:0:0:0:ffff:5b02:9772
91.2.151.115 0:0:0:0:0:ffff:5b02:9773
91.2.151.116 0:0:0:0:0:ffff:5b02:9774
91.2.151.117 0:0:0:0:0:ffff:5b02:9775
91.2.151.118 0:0:0:0:0:ffff:5b02:9776
91.2.151.119 0:0:0:0:0:ffff:5b02:9777
91.2.151.120 0:0:0:0:0:ffff:5b02:9778


91.2.151.121 0:0:0:0:0:ffff:5b02:9779
91.2.151.122 0:0:0:0:0:ffff:5b02:977a
91.2.151.123 0:0:0:0:0:ffff:5b02:977b
91.2.151.124 0:0:0:0:0:ffff:5b02:977c
91.2.151.125 0:0:0:0:0:ffff:5b02:977d
91.2.151.126 0:0:0:0:0:ffff:5b02:977e
91.2.151.127 0:0:0:0:0:ffff:5b02:977f
91.2.151.128 0:0:0:0:0:ffff:5b02:9780
91.2.151.129 0:0:0:0:0:ffff:5b02:9781
91.2.151.130 0:0:0:0:0:ffff:5b02:9782
91.2.151.131 0:0:0:0:0:ffff:5b02:9783
91.2.151.132 0:0:0:0:0:ffff:5b02:9784
91.2.151.133 0:0:0:0:0:ffff:5b02:9785
91.2.151.134 0:0:0:0:0:ffff:5b02:9786
91.2.151.135 0:0:0:0:0:ffff:5b02:9787
91.2.151.136 0:0:0:0:0:ffff:5b02:9788
91.2.151.137 0:0:0:0:0:ffff:5b02:9789
91.2.151.138 0:0:0:0:0:ffff:5b02:978a
91.2.151.139 0:0:0:0:0:ffff:5b02:978b
91.2.151.140 0:0:0:0:0:ffff:5b02:978c
91.2.151.141 0:0:0:0:0:ffff:5b02:978d
91.2.151.142 0:0:0:0:0:ffff:5b02:978e
91.2.151.143 0:0:0:0:0:ffff:5b02:978f
91.2.151.144 0:0:0:0:0:ffff:5b02:9790
91.2.151.145 0:0:0:0:0:ffff:5b02:9791
91.2.151.146 0:0:0:0:0:ffff:5b02:9792
91.2.151.147 0:0:0:0:0:ffff:5b02:9793
91.2.151.148 0:0:0:0:0:ffff:5b02:9794
91.2.151.149 0:0:0:0:0:ffff:5b02:9795
91.2.151.150 0:0:0:0:0:ffff:5b02:9796
91.2.151.151 0:0:0:0:0:ffff:5b02:9797
91.2.151.152 0:0:0:0:0:ffff:5b02:9798
91.2.151.153 0:0:0:0:0:ffff:5b02:9799
91.2.151.154 0:0:0:0:0:ffff:5b02:979a
91.2.151.155 0:0:0:0:0:ffff:5b02:979b
91.2.151.156 0:0:0:0:0:ffff:5b02:979c
91.2.151.157 0:0:0:0:0:ffff:5b02:979d
91.2.151.158 0:0:0:0:0:ffff:5b02:979e
91.2.151.159 0:0:0:0:0:ffff:5b02:979f
91.2.151.160 0:0:0:0:0:ffff:5b02:97a0
91.2.151.161 0:0:0:0:0:ffff:5b02:97a1
91.2.151.162 0:0:0:0:0:ffff:5b02:97a2
91.2.151.163 0:0:0:0:0:ffff:5b02:97a3
91.2.151.164 0:0:0:0:0:ffff:5b02:97a4
91.2.151.165 0:0:0:0:0:ffff:5b02:97a5
91.2.151.166 0:0:0:0:0:ffff:5b02:97a6
91.2.151.167 0:0:0:0:0:ffff:5b02:97a7
91.2.151.168 0:0:0:0:0:ffff:5b02:97a8
91.2.151.169 0:0:0:0:0:ffff:5b02:97a9
91.2.151.170 0:0:0:0:0:ffff:5b02:97aa
91.2.151.171 0:0:0:0:0:ffff:5b02:97ab
91.2.151.172 0:0:0:0:0:ffff:5b02:97ac
91.2.151.173 0:0:0:0:0:ffff:5b02:97ad
91.2.151.174 0:0:0:0:0:ffff:5b02:97ae
91.2.151.175 0:0:0:0:0:ffff:5b02:97af
91.2.151.176 0:0:0:0:0:ffff:5b02:97b0
91.2.151.177 0:0:0:0:0:ffff:5b02:97b1
91.2.151.178 0:0:0:0:0:ffff:5b02:97b2
91.2.151.179 0:0:0:0:0:ffff:5b02:97b3
91.2.151.180 0:0:0:0:0:ffff:5b02:97b4


91.2.151.181 0:0:0:0:0:ffff:5b02:97b5
91.2.151.182 0:0:0:0:0:ffff:5b02:97b6
91.2.151.183 0:0:0:0:0:ffff:5b02:97b7
91.2.151.184 0:0:0:0:0:ffff:5b02:97b8
91.2.151.185 0:0:0:0:0:ffff:5b02:97b9
91.2.151.186 0:0:0:0:0:ffff:5b02:97ba
91.2.151.187 0:0:0:0:0:ffff:5b02:97bb
91.2.151.188 0:0:0:0:0:ffff:5b02:97bc
91.2.151.189 0:0:0:0:0:ffff:5b02:97bd
91.2.151.190 0:0:0:0:0:ffff:5b02:97be
91.2.151.191 0:0:0:0:0:ffff:5b02:97bf
91.2.151.192 0:0:0:0:0:ffff:5b02:97c0
91.2.151.193 0:0:0:0:0:ffff:5b02:97c1
91.2.151.194 0:0:0:0:0:ffff:5b02:97c2
91.2.151.195 0:0:0:0:0:ffff:5b02:97c3
91.2.151.196 0:0:0:0:0:ffff:5b02:97c4
91.2.151.197 0:0:0:0:0:ffff:5b02:97c5
91.2.151.198 0:0:0:0:0:ffff:5b02:97c6
91.2.151.199 0:0:0:0:0:ffff:5b02:97c7
91.2.151.200 0:0:0:0:0:ffff:5b02:97c8
91.2.151.201 0:0:0:0:0:ffff:5b02:97c9
91.2.151.202 0:0:0:0:0:ffff:5b02:97ca
91.2.151.203 0:0:0:0:0:ffff:5b02:97cb
91.2.151.204 0:0:0:0:0:ffff:5b02:97cc
91.2.151.205 0:0:0:0:0:ffff:5b02:97cd
91.2.151.206 0:0:0:0:0:ffff:5b02:97ce
91.2.151.207 0:0:0:0:0:ffff:5b02:97cf
91.2.151.208 0:0:0:0:0:ffff:5b02:97d0
91.2.151.209 0:0:0:0:0:ffff:5b02:97d1
91.2.151.210 0:0:0:0:0:ffff:5b02:97d2
91.2.151.211 0:0:0:0:0:ffff:5b02:97d3
91.2.151.212 0:0:0:0:0:ffff:5b02:97d4
91.2.151.213 0:0:0:0:0:ffff:5b02:97d5
91.2.151.214 0:0:0:0:0:ffff:5b02:97d6
91.2.151.215 0:0:0:0:0:ffff:5b02:97d7
91.2.151.216 0:0:0:0:0:ffff:5b02:97d8
91.2.151.217 0:0:0:0:0:ffff:5b02:97d9
91.2.151.218 0:0:0:0:0:ffff:5b02:97da
91.2.151.219 0:0:0:0:0:ffff:5b02:97db
91.2.151.220 0:0:0:0:0:ffff:5b02:97dc
91.2.151.221 0:0:0:0:0:ffff:5b02:97dd
91.2.151.222 0:0:0:0:0:ffff:5b02:97de
91.2.151.223 0:0:0:0:0:ffff:5b02:97df
91.2.151.224 0:0:0:0:0:ffff:5b02:97e0
91.2.151.225 0:0:0:0:0:ffff:5b02:97e1
91.2.151.226 0:0:0:0:0:ffff:5b02:97e2
91.2.151.227 0:0:0:0:0:ffff:5b02:97e3
91.2.151.228 0:0:0:0:0:ffff:5b02:97e4
91.2.151.229 0:0:0:0:0:ffff:5b02:97e5
91.2.151.230 0:0:0:0:0:ffff:5b02:97e6
91.2.151.231 0:0:0:0:0:ffff:5b02:97e7
91.2.151.232 0:0:0:0:0:ffff:5b02:97e8
91.2.151.233 0:0:0:0:0:ffff:5b02:97e9
91.2.151.234 0:0:0:0:0:ffff:5b02:97ea
91.2.151.235 0:0:0:0:0:ffff:5b02:97eb
91.2.151.236 0:0:0:0:0:ffff:5b02:97ec
91.2.151.237 0:0:0:0:0:ffff:5b02:97ed
91.2.151.238 0:0:0:0:0:ffff:5b02:97ee
91.2.151.239 0:0:0:0:0:ffff:5b02:97ef
91.2.151.240 0:0:0:0:0:ffff:5b02:97f0
91.2.151.241 0:0:0:0:0:ffff:5b02:97f1
91.2.151.242 0:0:0:0:0:ffff:5b02:97f2
91.2.151.243 0:0:0:0:0:ffff:5b02:97f3
91.2.151.244 0:0:0:0:0:ffff:5b02:97f4
91.2.151.245 0:0:0:0:0:ffff:5b02:97f5
91.2.151.246 0:0:0:0:0:ffff:5b02:97f6
91.2.151.247 0:0:0:0:0:ffff:5b02:97f7
91.2.151.248 0:0:0:0:0:ffff:5b02:97f8
91.2.151.249 0:0:0:0:0:ffff:5b02:97f9
91.2.151.250 0:0:0:0:0:ffff:5b02:97fa
91.2.151.251 0:0:0:0:0:ffff:5b02:97fb
91.2.151.252 0:0:0:0:0:ffff:5b02:97fc
91.2.151.253 0:0:0:0:0:ffff:5b02:97fd
91.2.151.254 0:0:0:0:0:ffff:5b02:97fe
91.2.151.255 0:0:0:0:0:ffff:5b02:97ff


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.