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
105.221.91.1 0:0:0:0:0:ffff:69dd:5b01
105.221.91.2 0:0:0:0:0:ffff:69dd:5b02
105.221.91.3 0:0:0:0:0:ffff:69dd:5b03
105.221.91.4 0:0:0:0:0:ffff:69dd:5b04
105.221.91.5 0:0:0:0:0:ffff:69dd:5b05
105.221.91.6 0:0:0:0:0:ffff:69dd:5b06
105.221.91.7 0:0:0:0:0:ffff:69dd:5b07
105.221.91.8 0:0:0:0:0:ffff:69dd:5b08
105.221.91.9 0:0:0:0:0:ffff:69dd:5b09
105.221.91.10 0:0:0:0:0:ffff:69dd:5b0a
105.221.91.11 0:0:0:0:0:ffff:69dd:5b0b
105.221.91.12 0:0:0:0:0:ffff:69dd:5b0c
105.221.91.13 0:0:0:0:0:ffff:69dd:5b0d
105.221.91.14 0:0:0:0:0:ffff:69dd:5b0e
105.221.91.15 0:0:0:0:0:ffff:69dd:5b0f
105.221.91.16 0:0:0:0:0:ffff:69dd:5b10
105.221.91.17 0:0:0:0:0:ffff:69dd:5b11
105.221.91.18 0:0:0:0:0:ffff:69dd:5b12
105.221.91.19 0:0:0:0:0:ffff:69dd:5b13
105.221.91.20 0:0:0:0:0:ffff:69dd:5b14
105.221.91.21 0:0:0:0:0:ffff:69dd:5b15
105.221.91.22 0:0:0:0:0:ffff:69dd:5b16
105.221.91.23 0:0:0:0:0:ffff:69dd:5b17
105.221.91.24 0:0:0:0:0:ffff:69dd:5b18
105.221.91.25 0:0:0:0:0:ffff:69dd:5b19
105.221.91.26 0:0:0:0:0:ffff:69dd:5b1a
105.221.91.27 0:0:0:0:0:ffff:69dd:5b1b
105.221.91.28 0:0:0:0:0:ffff:69dd:5b1c
105.221.91.29 0:0:0:0:0:ffff:69dd:5b1d
105.221.91.30 0:0:0:0:0:ffff:69dd:5b1e
105.221.91.31 0:0:0:0:0:ffff:69dd:5b1f
105.221.91.32 0:0:0:0:0:ffff:69dd:5b20
105.221.91.33 0:0:0:0:0:ffff:69dd:5b21
105.221.91.34 0:0:0:0:0:ffff:69dd:5b22
105.221.91.35 0:0:0:0:0:ffff:69dd:5b23
105.221.91.36 0:0:0:0:0:ffff:69dd:5b24
105.221.91.37 0:0:0:0:0:ffff:69dd:5b25
105.221.91.38 0:0:0:0:0:ffff:69dd:5b26
105.221.91.39 0:0:0:0:0:ffff:69dd:5b27
105.221.91.40 0:0:0:0:0:ffff:69dd:5b28
105.221.91.41 0:0:0:0:0:ffff:69dd:5b29
105.221.91.42 0:0:0:0:0:ffff:69dd:5b2a
105.221.91.43 0:0:0:0:0:ffff:69dd:5b2b
105.221.91.44 0:0:0:0:0:ffff:69dd:5b2c
105.221.91.45 0:0:0:0:0:ffff:69dd:5b2d
105.221.91.46 0:0:0:0:0:ffff:69dd:5b2e
105.221.91.47 0:0:0:0:0:ffff:69dd:5b2f
105.221.91.48 0:0:0:0:0:ffff:69dd:5b30
105.221.91.49 0:0:0:0:0:ffff:69dd:5b31
105.221.91.50 0:0:0:0:0:ffff:69dd:5b32
105.221.91.51 0:0:0:0:0:ffff:69dd:5b33
105.221.91.52 0:0:0:0:0:ffff:69dd:5b34
105.221.91.53 0:0:0:0:0:ffff:69dd:5b35
105.221.91.54 0:0:0:0:0:ffff:69dd:5b36
105.221.91.55 0:0:0:0:0:ffff:69dd:5b37
105.221.91.56 0:0:0:0:0:ffff:69dd:5b38
105.221.91.57 0:0:0:0:0:ffff:69dd:5b39
105.221.91.58 0:0:0:0:0:ffff:69dd:5b3a
105.221.91.59 0:0:0:0:0:ffff:69dd:5b3b
105.221.91.60 0:0:0:0:0:ffff:69dd:5b3c


105.221.91.61 0:0:0:0:0:ffff:69dd:5b3d
105.221.91.62 0:0:0:0:0:ffff:69dd:5b3e
105.221.91.63 0:0:0:0:0:ffff:69dd:5b3f
105.221.91.64 0:0:0:0:0:ffff:69dd:5b40
105.221.91.65 0:0:0:0:0:ffff:69dd:5b41
105.221.91.66 0:0:0:0:0:ffff:69dd:5b42
105.221.91.67 0:0:0:0:0:ffff:69dd:5b43
105.221.91.68 0:0:0:0:0:ffff:69dd:5b44
105.221.91.69 0:0:0:0:0:ffff:69dd:5b45
105.221.91.70 0:0:0:0:0:ffff:69dd:5b46
105.221.91.71 0:0:0:0:0:ffff:69dd:5b47
105.221.91.72 0:0:0:0:0:ffff:69dd:5b48
105.221.91.73 0:0:0:0:0:ffff:69dd:5b49
105.221.91.74 0:0:0:0:0:ffff:69dd:5b4a
105.221.91.75 0:0:0:0:0:ffff:69dd:5b4b
105.221.91.76 0:0:0:0:0:ffff:69dd:5b4c
105.221.91.77 0:0:0:0:0:ffff:69dd:5b4d
105.221.91.78 0:0:0:0:0:ffff:69dd:5b4e
105.221.91.79 0:0:0:0:0:ffff:69dd:5b4f
105.221.91.80 0:0:0:0:0:ffff:69dd:5b50
105.221.91.81 0:0:0:0:0:ffff:69dd:5b51
105.221.91.82 0:0:0:0:0:ffff:69dd:5b52
105.221.91.83 0:0:0:0:0:ffff:69dd:5b53
105.221.91.84 0:0:0:0:0:ffff:69dd:5b54
105.221.91.85 0:0:0:0:0:ffff:69dd:5b55
105.221.91.86 0:0:0:0:0:ffff:69dd:5b56
105.221.91.87 0:0:0:0:0:ffff:69dd:5b57
105.221.91.88 0:0:0:0:0:ffff:69dd:5b58
105.221.91.89 0:0:0:0:0:ffff:69dd:5b59
105.221.91.90 0:0:0:0:0:ffff:69dd:5b5a
105.221.91.91 0:0:0:0:0:ffff:69dd:5b5b
105.221.91.92 0:0:0:0:0:ffff:69dd:5b5c
105.221.91.93 0:0:0:0:0:ffff:69dd:5b5d
105.221.91.94 0:0:0:0:0:ffff:69dd:5b5e
105.221.91.95 0:0:0:0:0:ffff:69dd:5b5f
105.221.91.96 0:0:0:0:0:ffff:69dd:5b60
105.221.91.97 0:0:0:0:0:ffff:69dd:5b61
105.221.91.98 0:0:0:0:0:ffff:69dd:5b62
105.221.91.99 0:0:0:0:0:ffff:69dd:5b63
105.221.91.100 0:0:0:0:0:ffff:69dd:5b64
105.221.91.101 0:0:0:0:0:ffff:69dd:5b65
105.221.91.102 0:0:0:0:0:ffff:69dd:5b66
105.221.91.103 0:0:0:0:0:ffff:69dd:5b67
105.221.91.104 0:0:0:0:0:ffff:69dd:5b68
105.221.91.105 0:0:0:0:0:ffff:69dd:5b69
105.221.91.106 0:0:0:0:0:ffff:69dd:5b6a
105.221.91.107 0:0:0:0:0:ffff:69dd:5b6b
105.221.91.108 0:0:0:0:0:ffff:69dd:5b6c
105.221.91.109 0:0:0:0:0:ffff:69dd:5b6d
105.221.91.110 0:0:0:0:0:ffff:69dd:5b6e
105.221.91.111 0:0:0:0:0:ffff:69dd:5b6f
105.221.91.112 0:0:0:0:0:ffff:69dd:5b70
105.221.91.113 0:0:0:0:0:ffff:69dd:5b71
105.221.91.114 0:0:0:0:0:ffff:69dd:5b72
105.221.91.115 0:0:0:0:0:ffff:69dd:5b73
105.221.91.116 0:0:0:0:0:ffff:69dd:5b74
105.221.91.117 0:0:0:0:0:ffff:69dd:5b75
105.221.91.118 0:0:0:0:0:ffff:69dd:5b76
105.221.91.119 0:0:0:0:0:ffff:69dd:5b77
105.221.91.120 0:0:0:0:0:ffff:69dd:5b78


105.221.91.121 0:0:0:0:0:ffff:69dd:5b79
105.221.91.122 0:0:0:0:0:ffff:69dd:5b7a
105.221.91.123 0:0:0:0:0:ffff:69dd:5b7b
105.221.91.124 0:0:0:0:0:ffff:69dd:5b7c
105.221.91.125 0:0:0:0:0:ffff:69dd:5b7d
105.221.91.126 0:0:0:0:0:ffff:69dd:5b7e
105.221.91.127 0:0:0:0:0:ffff:69dd:5b7f
105.221.91.128 0:0:0:0:0:ffff:69dd:5b80
105.221.91.129 0:0:0:0:0:ffff:69dd:5b81
105.221.91.130 0:0:0:0:0:ffff:69dd:5b82
105.221.91.131 0:0:0:0:0:ffff:69dd:5b83
105.221.91.132 0:0:0:0:0:ffff:69dd:5b84
105.221.91.133 0:0:0:0:0:ffff:69dd:5b85
105.221.91.134 0:0:0:0:0:ffff:69dd:5b86
105.221.91.135 0:0:0:0:0:ffff:69dd:5b87
105.221.91.136 0:0:0:0:0:ffff:69dd:5b88
105.221.91.137 0:0:0:0:0:ffff:69dd:5b89
105.221.91.138 0:0:0:0:0:ffff:69dd:5b8a
105.221.91.139 0:0:0:0:0:ffff:69dd:5b8b
105.221.91.140 0:0:0:0:0:ffff:69dd:5b8c
105.221.91.141 0:0:0:0:0:ffff:69dd:5b8d
105.221.91.142 0:0:0:0:0:ffff:69dd:5b8e
105.221.91.143 0:0:0:0:0:ffff:69dd:5b8f
105.221.91.144 0:0:0:0:0:ffff:69dd:5b90
105.221.91.145 0:0:0:0:0:ffff:69dd:5b91
105.221.91.146 0:0:0:0:0:ffff:69dd:5b92
105.221.91.147 0:0:0:0:0:ffff:69dd:5b93
105.221.91.148 0:0:0:0:0:ffff:69dd:5b94
105.221.91.149 0:0:0:0:0:ffff:69dd:5b95
105.221.91.150 0:0:0:0:0:ffff:69dd:5b96
105.221.91.151 0:0:0:0:0:ffff:69dd:5b97
105.221.91.152 0:0:0:0:0:ffff:69dd:5b98
105.221.91.153 0:0:0:0:0:ffff:69dd:5b99
105.221.91.154 0:0:0:0:0:ffff:69dd:5b9a
105.221.91.155 0:0:0:0:0:ffff:69dd:5b9b
105.221.91.156 0:0:0:0:0:ffff:69dd:5b9c
105.221.91.157 0:0:0:0:0:ffff:69dd:5b9d
105.221.91.158 0:0:0:0:0:ffff:69dd:5b9e
105.221.91.159 0:0:0:0:0:ffff:69dd:5b9f
105.221.91.160 0:0:0:0:0:ffff:69dd:5ba0
105.221.91.161 0:0:0:0:0:ffff:69dd:5ba1
105.221.91.162 0:0:0:0:0:ffff:69dd:5ba2
105.221.91.163 0:0:0:0:0:ffff:69dd:5ba3
105.221.91.164 0:0:0:0:0:ffff:69dd:5ba4
105.221.91.165 0:0:0:0:0:ffff:69dd:5ba5
105.221.91.166 0:0:0:0:0:ffff:69dd:5ba6
105.221.91.167 0:0:0:0:0:ffff:69dd:5ba7
105.221.91.168 0:0:0:0:0:ffff:69dd:5ba8
105.221.91.169 0:0:0:0:0:ffff:69dd:5ba9
105.221.91.170 0:0:0:0:0:ffff:69dd:5baa
105.221.91.171 0:0:0:0:0:ffff:69dd:5bab
105.221.91.172 0:0:0:0:0:ffff:69dd:5bac
105.221.91.173 0:0:0:0:0:ffff:69dd:5bad
105.221.91.174 0:0:0:0:0:ffff:69dd:5bae
105.221.91.175 0:0:0:0:0:ffff:69dd:5baf
105.221.91.176 0:0:0:0:0:ffff:69dd:5bb0
105.221.91.177 0:0:0:0:0:ffff:69dd:5bb1
105.221.91.178 0:0:0:0:0:ffff:69dd:5bb2
105.221.91.179 0:0:0:0:0:ffff:69dd:5bb3
105.221.91.180 0:0:0:0:0:ffff:69dd:5bb4


105.221.91.181 0:0:0:0:0:ffff:69dd:5bb5
105.221.91.182 0:0:0:0:0:ffff:69dd:5bb6
105.221.91.183 0:0:0:0:0:ffff:69dd:5bb7
105.221.91.184 0:0:0:0:0:ffff:69dd:5bb8
105.221.91.185 0:0:0:0:0:ffff:69dd:5bb9
105.221.91.186 0:0:0:0:0:ffff:69dd:5bba
105.221.91.187 0:0:0:0:0:ffff:69dd:5bbb
105.221.91.188 0:0:0:0:0:ffff:69dd:5bbc
105.221.91.189 0:0:0:0:0:ffff:69dd:5bbd
105.221.91.190 0:0:0:0:0:ffff:69dd:5bbe
105.221.91.191 0:0:0:0:0:ffff:69dd:5bbf
105.221.91.192 0:0:0:0:0:ffff:69dd:5bc0
105.221.91.193 0:0:0:0:0:ffff:69dd:5bc1
105.221.91.194 0:0:0:0:0:ffff:69dd:5bc2
105.221.91.195 0:0:0:0:0:ffff:69dd:5bc3
105.221.91.196 0:0:0:0:0:ffff:69dd:5bc4
105.221.91.197 0:0:0:0:0:ffff:69dd:5bc5
105.221.91.198 0:0:0:0:0:ffff:69dd:5bc6
105.221.91.199 0:0:0:0:0:ffff:69dd:5bc7
105.221.91.200 0:0:0:0:0:ffff:69dd:5bc8
105.221.91.201 0:0:0:0:0:ffff:69dd:5bc9
105.221.91.202 0:0:0:0:0:ffff:69dd:5bca
105.221.91.203 0:0:0:0:0:ffff:69dd:5bcb
105.221.91.204 0:0:0:0:0:ffff:69dd:5bcc
105.221.91.205 0:0:0:0:0:ffff:69dd:5bcd
105.221.91.206 0:0:0:0:0:ffff:69dd:5bce
105.221.91.207 0:0:0:0:0:ffff:69dd:5bcf
105.221.91.208 0:0:0:0:0:ffff:69dd:5bd0
105.221.91.209 0:0:0:0:0:ffff:69dd:5bd1
105.221.91.210 0:0:0:0:0:ffff:69dd:5bd2
105.221.91.211 0:0:0:0:0:ffff:69dd:5bd3
105.221.91.212 0:0:0:0:0:ffff:69dd:5bd4
105.221.91.213 0:0:0:0:0:ffff:69dd:5bd5
105.221.91.214 0:0:0:0:0:ffff:69dd:5bd6
105.221.91.215 0:0:0:0:0:ffff:69dd:5bd7
105.221.91.216 0:0:0:0:0:ffff:69dd:5bd8
105.221.91.217 0:0:0:0:0:ffff:69dd:5bd9
105.221.91.218 0:0:0:0:0:ffff:69dd:5bda
105.221.91.219 0:0:0:0:0:ffff:69dd:5bdb
105.221.91.220 0:0:0:0:0:ffff:69dd:5bdc
105.221.91.221 0:0:0:0:0:ffff:69dd:5bdd
105.221.91.222 0:0:0:0:0:ffff:69dd:5bde
105.221.91.223 0:0:0:0:0:ffff:69dd:5bdf
105.221.91.224 0:0:0:0:0:ffff:69dd:5be0
105.221.91.225 0:0:0:0:0:ffff:69dd:5be1
105.221.91.226 0:0:0:0:0:ffff:69dd:5be2
105.221.91.227 0:0:0:0:0:ffff:69dd:5be3
105.221.91.228 0:0:0:0:0:ffff:69dd:5be4
105.221.91.229 0:0:0:0:0:ffff:69dd:5be5
105.221.91.230 0:0:0:0:0:ffff:69dd:5be6
105.221.91.231 0:0:0:0:0:ffff:69dd:5be7
105.221.91.232 0:0:0:0:0:ffff:69dd:5be8
105.221.91.233 0:0:0:0:0:ffff:69dd:5be9
105.221.91.234 0:0:0:0:0:ffff:69dd:5bea
105.221.91.235 0:0:0:0:0:ffff:69dd:5beb
105.221.91.236 0:0:0:0:0:ffff:69dd:5bec
105.221.91.237 0:0:0:0:0:ffff:69dd:5bed
105.221.91.238 0:0:0:0:0:ffff:69dd:5bee
105.221.91.239 0:0:0:0:0:ffff:69dd:5bef
105.221.91.240 0:0:0:0:0:ffff:69dd:5bf0
105.221.91.241 0:0:0:0:0:ffff:69dd:5bf1
105.221.91.242 0:0:0:0:0:ffff:69dd:5bf2
105.221.91.243 0:0:0:0:0:ffff:69dd:5bf3
105.221.91.244 0:0:0:0:0:ffff:69dd:5bf4
105.221.91.245 0:0:0:0:0:ffff:69dd:5bf5
105.221.91.246 0:0:0:0:0:ffff:69dd:5bf6
105.221.91.247 0:0:0:0:0:ffff:69dd:5bf7
105.221.91.248 0:0:0:0:0:ffff:69dd:5bf8
105.221.91.249 0:0:0:0:0:ffff:69dd:5bf9
105.221.91.250 0:0:0:0:0:ffff:69dd:5bfa
105.221.91.251 0:0:0:0:0:ffff:69dd:5bfb
105.221.91.252 0:0:0:0:0:ffff:69dd:5bfc
105.221.91.253 0:0:0:0:0:ffff:69dd:5bfd
105.221.91.254 0:0:0:0:0:ffff:69dd:5bfe
105.221.91.255 0:0:0:0:0:ffff:69dd:5bff


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.