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
65.121.90.1 0:0:0:0:0:ffff:4179:5a01
65.121.90.2 0:0:0:0:0:ffff:4179:5a02
65.121.90.3 0:0:0:0:0:ffff:4179:5a03
65.121.90.4 0:0:0:0:0:ffff:4179:5a04
65.121.90.5 0:0:0:0:0:ffff:4179:5a05
65.121.90.6 0:0:0:0:0:ffff:4179:5a06
65.121.90.7 0:0:0:0:0:ffff:4179:5a07
65.121.90.8 0:0:0:0:0:ffff:4179:5a08
65.121.90.9 0:0:0:0:0:ffff:4179:5a09
65.121.90.10 0:0:0:0:0:ffff:4179:5a0a
65.121.90.11 0:0:0:0:0:ffff:4179:5a0b
65.121.90.12 0:0:0:0:0:ffff:4179:5a0c
65.121.90.13 0:0:0:0:0:ffff:4179:5a0d
65.121.90.14 0:0:0:0:0:ffff:4179:5a0e
65.121.90.15 0:0:0:0:0:ffff:4179:5a0f
65.121.90.16 0:0:0:0:0:ffff:4179:5a10
65.121.90.17 0:0:0:0:0:ffff:4179:5a11
65.121.90.18 0:0:0:0:0:ffff:4179:5a12
65.121.90.19 0:0:0:0:0:ffff:4179:5a13
65.121.90.20 0:0:0:0:0:ffff:4179:5a14
65.121.90.21 0:0:0:0:0:ffff:4179:5a15
65.121.90.22 0:0:0:0:0:ffff:4179:5a16
65.121.90.23 0:0:0:0:0:ffff:4179:5a17
65.121.90.24 0:0:0:0:0:ffff:4179:5a18
65.121.90.25 0:0:0:0:0:ffff:4179:5a19
65.121.90.26 0:0:0:0:0:ffff:4179:5a1a
65.121.90.27 0:0:0:0:0:ffff:4179:5a1b
65.121.90.28 0:0:0:0:0:ffff:4179:5a1c
65.121.90.29 0:0:0:0:0:ffff:4179:5a1d
65.121.90.30 0:0:0:0:0:ffff:4179:5a1e
65.121.90.31 0:0:0:0:0:ffff:4179:5a1f
65.121.90.32 0:0:0:0:0:ffff:4179:5a20
65.121.90.33 0:0:0:0:0:ffff:4179:5a21
65.121.90.34 0:0:0:0:0:ffff:4179:5a22
65.121.90.35 0:0:0:0:0:ffff:4179:5a23
65.121.90.36 0:0:0:0:0:ffff:4179:5a24
65.121.90.37 0:0:0:0:0:ffff:4179:5a25
65.121.90.38 0:0:0:0:0:ffff:4179:5a26
65.121.90.39 0:0:0:0:0:ffff:4179:5a27
65.121.90.40 0:0:0:0:0:ffff:4179:5a28
65.121.90.41 0:0:0:0:0:ffff:4179:5a29
65.121.90.42 0:0:0:0:0:ffff:4179:5a2a
65.121.90.43 0:0:0:0:0:ffff:4179:5a2b
65.121.90.44 0:0:0:0:0:ffff:4179:5a2c
65.121.90.45 0:0:0:0:0:ffff:4179:5a2d
65.121.90.46 0:0:0:0:0:ffff:4179:5a2e
65.121.90.47 0:0:0:0:0:ffff:4179:5a2f
65.121.90.48 0:0:0:0:0:ffff:4179:5a30
65.121.90.49 0:0:0:0:0:ffff:4179:5a31
65.121.90.50 0:0:0:0:0:ffff:4179:5a32
65.121.90.51 0:0:0:0:0:ffff:4179:5a33
65.121.90.52 0:0:0:0:0:ffff:4179:5a34
65.121.90.53 0:0:0:0:0:ffff:4179:5a35
65.121.90.54 0:0:0:0:0:ffff:4179:5a36
65.121.90.55 0:0:0:0:0:ffff:4179:5a37
65.121.90.56 0:0:0:0:0:ffff:4179:5a38
65.121.90.57 0:0:0:0:0:ffff:4179:5a39
65.121.90.58 0:0:0:0:0:ffff:4179:5a3a
65.121.90.59 0:0:0:0:0:ffff:4179:5a3b
65.121.90.60 0:0:0:0:0:ffff:4179:5a3c


65.121.90.61 0:0:0:0:0:ffff:4179:5a3d
65.121.90.62 0:0:0:0:0:ffff:4179:5a3e
65.121.90.63 0:0:0:0:0:ffff:4179:5a3f
65.121.90.64 0:0:0:0:0:ffff:4179:5a40
65.121.90.65 0:0:0:0:0:ffff:4179:5a41
65.121.90.66 0:0:0:0:0:ffff:4179:5a42
65.121.90.67 0:0:0:0:0:ffff:4179:5a43
65.121.90.68 0:0:0:0:0:ffff:4179:5a44
65.121.90.69 0:0:0:0:0:ffff:4179:5a45
65.121.90.70 0:0:0:0:0:ffff:4179:5a46
65.121.90.71 0:0:0:0:0:ffff:4179:5a47
65.121.90.72 0:0:0:0:0:ffff:4179:5a48
65.121.90.73 0:0:0:0:0:ffff:4179:5a49
65.121.90.74 0:0:0:0:0:ffff:4179:5a4a
65.121.90.75 0:0:0:0:0:ffff:4179:5a4b
65.121.90.76 0:0:0:0:0:ffff:4179:5a4c
65.121.90.77 0:0:0:0:0:ffff:4179:5a4d
65.121.90.78 0:0:0:0:0:ffff:4179:5a4e
65.121.90.79 0:0:0:0:0:ffff:4179:5a4f
65.121.90.80 0:0:0:0:0:ffff:4179:5a50
65.121.90.81 0:0:0:0:0:ffff:4179:5a51
65.121.90.82 0:0:0:0:0:ffff:4179:5a52
65.121.90.83 0:0:0:0:0:ffff:4179:5a53
65.121.90.84 0:0:0:0:0:ffff:4179:5a54
65.121.90.85 0:0:0:0:0:ffff:4179:5a55
65.121.90.86 0:0:0:0:0:ffff:4179:5a56
65.121.90.87 0:0:0:0:0:ffff:4179:5a57
65.121.90.88 0:0:0:0:0:ffff:4179:5a58
65.121.90.89 0:0:0:0:0:ffff:4179:5a59
65.121.90.90 0:0:0:0:0:ffff:4179:5a5a
65.121.90.91 0:0:0:0:0:ffff:4179:5a5b
65.121.90.92 0:0:0:0:0:ffff:4179:5a5c
65.121.90.93 0:0:0:0:0:ffff:4179:5a5d
65.121.90.94 0:0:0:0:0:ffff:4179:5a5e
65.121.90.95 0:0:0:0:0:ffff:4179:5a5f
65.121.90.96 0:0:0:0:0:ffff:4179:5a60
65.121.90.97 0:0:0:0:0:ffff:4179:5a61
65.121.90.98 0:0:0:0:0:ffff:4179:5a62
65.121.90.99 0:0:0:0:0:ffff:4179:5a63
65.121.90.100 0:0:0:0:0:ffff:4179:5a64
65.121.90.101 0:0:0:0:0:ffff:4179:5a65
65.121.90.102 0:0:0:0:0:ffff:4179:5a66
65.121.90.103 0:0:0:0:0:ffff:4179:5a67
65.121.90.104 0:0:0:0:0:ffff:4179:5a68
65.121.90.105 0:0:0:0:0:ffff:4179:5a69
65.121.90.106 0:0:0:0:0:ffff:4179:5a6a
65.121.90.107 0:0:0:0:0:ffff:4179:5a6b
65.121.90.108 0:0:0:0:0:ffff:4179:5a6c
65.121.90.109 0:0:0:0:0:ffff:4179:5a6d
65.121.90.110 0:0:0:0:0:ffff:4179:5a6e
65.121.90.111 0:0:0:0:0:ffff:4179:5a6f
65.121.90.112 0:0:0:0:0:ffff:4179:5a70
65.121.90.113 0:0:0:0:0:ffff:4179:5a71
65.121.90.114 0:0:0:0:0:ffff:4179:5a72
65.121.90.115 0:0:0:0:0:ffff:4179:5a73
65.121.90.116 0:0:0:0:0:ffff:4179:5a74
65.121.90.117 0:0:0:0:0:ffff:4179:5a75
65.121.90.118 0:0:0:0:0:ffff:4179:5a76
65.121.90.119 0:0:0:0:0:ffff:4179:5a77
65.121.90.120 0:0:0:0:0:ffff:4179:5a78


65.121.90.121 0:0:0:0:0:ffff:4179:5a79
65.121.90.122 0:0:0:0:0:ffff:4179:5a7a
65.121.90.123 0:0:0:0:0:ffff:4179:5a7b
65.121.90.124 0:0:0:0:0:ffff:4179:5a7c
65.121.90.125 0:0:0:0:0:ffff:4179:5a7d
65.121.90.126 0:0:0:0:0:ffff:4179:5a7e
65.121.90.127 0:0:0:0:0:ffff:4179:5a7f
65.121.90.128 0:0:0:0:0:ffff:4179:5a80
65.121.90.129 0:0:0:0:0:ffff:4179:5a81
65.121.90.130 0:0:0:0:0:ffff:4179:5a82
65.121.90.131 0:0:0:0:0:ffff:4179:5a83
65.121.90.132 0:0:0:0:0:ffff:4179:5a84
65.121.90.133 0:0:0:0:0:ffff:4179:5a85
65.121.90.134 0:0:0:0:0:ffff:4179:5a86
65.121.90.135 0:0:0:0:0:ffff:4179:5a87
65.121.90.136 0:0:0:0:0:ffff:4179:5a88
65.121.90.137 0:0:0:0:0:ffff:4179:5a89
65.121.90.138 0:0:0:0:0:ffff:4179:5a8a
65.121.90.139 0:0:0:0:0:ffff:4179:5a8b
65.121.90.140 0:0:0:0:0:ffff:4179:5a8c
65.121.90.141 0:0:0:0:0:ffff:4179:5a8d
65.121.90.142 0:0:0:0:0:ffff:4179:5a8e
65.121.90.143 0:0:0:0:0:ffff:4179:5a8f
65.121.90.144 0:0:0:0:0:ffff:4179:5a90
65.121.90.145 0:0:0:0:0:ffff:4179:5a91
65.121.90.146 0:0:0:0:0:ffff:4179:5a92
65.121.90.147 0:0:0:0:0:ffff:4179:5a93
65.121.90.148 0:0:0:0:0:ffff:4179:5a94
65.121.90.149 0:0:0:0:0:ffff:4179:5a95
65.121.90.150 0:0:0:0:0:ffff:4179:5a96
65.121.90.151 0:0:0:0:0:ffff:4179:5a97
65.121.90.152 0:0:0:0:0:ffff:4179:5a98
65.121.90.153 0:0:0:0:0:ffff:4179:5a99
65.121.90.154 0:0:0:0:0:ffff:4179:5a9a
65.121.90.155 0:0:0:0:0:ffff:4179:5a9b
65.121.90.156 0:0:0:0:0:ffff:4179:5a9c
65.121.90.157 0:0:0:0:0:ffff:4179:5a9d
65.121.90.158 0:0:0:0:0:ffff:4179:5a9e
65.121.90.159 0:0:0:0:0:ffff:4179:5a9f
65.121.90.160 0:0:0:0:0:ffff:4179:5aa0
65.121.90.161 0:0:0:0:0:ffff:4179:5aa1
65.121.90.162 0:0:0:0:0:ffff:4179:5aa2
65.121.90.163 0:0:0:0:0:ffff:4179:5aa3
65.121.90.164 0:0:0:0:0:ffff:4179:5aa4
65.121.90.165 0:0:0:0:0:ffff:4179:5aa5
65.121.90.166 0:0:0:0:0:ffff:4179:5aa6
65.121.90.167 0:0:0:0:0:ffff:4179:5aa7
65.121.90.168 0:0:0:0:0:ffff:4179:5aa8
65.121.90.169 0:0:0:0:0:ffff:4179:5aa9
65.121.90.170 0:0:0:0:0:ffff:4179:5aaa
65.121.90.171 0:0:0:0:0:ffff:4179:5aab
65.121.90.172 0:0:0:0:0:ffff:4179:5aac
65.121.90.173 0:0:0:0:0:ffff:4179:5aad
65.121.90.174 0:0:0:0:0:ffff:4179:5aae
65.121.90.175 0:0:0:0:0:ffff:4179:5aaf
65.121.90.176 0:0:0:0:0:ffff:4179:5ab0
65.121.90.177 0:0:0:0:0:ffff:4179:5ab1
65.121.90.178 0:0:0:0:0:ffff:4179:5ab2
65.121.90.179 0:0:0:0:0:ffff:4179:5ab3
65.121.90.180 0:0:0:0:0:ffff:4179:5ab4


65.121.90.181 0:0:0:0:0:ffff:4179:5ab5
65.121.90.182 0:0:0:0:0:ffff:4179:5ab6
65.121.90.183 0:0:0:0:0:ffff:4179:5ab7
65.121.90.184 0:0:0:0:0:ffff:4179:5ab8
65.121.90.185 0:0:0:0:0:ffff:4179:5ab9
65.121.90.186 0:0:0:0:0:ffff:4179:5aba
65.121.90.187 0:0:0:0:0:ffff:4179:5abb
65.121.90.188 0:0:0:0:0:ffff:4179:5abc
65.121.90.189 0:0:0:0:0:ffff:4179:5abd
65.121.90.190 0:0:0:0:0:ffff:4179:5abe
65.121.90.191 0:0:0:0:0:ffff:4179:5abf
65.121.90.192 0:0:0:0:0:ffff:4179:5ac0
65.121.90.193 0:0:0:0:0:ffff:4179:5ac1
65.121.90.194 0:0:0:0:0:ffff:4179:5ac2
65.121.90.195 0:0:0:0:0:ffff:4179:5ac3
65.121.90.196 0:0:0:0:0:ffff:4179:5ac4
65.121.90.197 0:0:0:0:0:ffff:4179:5ac5
65.121.90.198 0:0:0:0:0:ffff:4179:5ac6
65.121.90.199 0:0:0:0:0:ffff:4179:5ac7
65.121.90.200 0:0:0:0:0:ffff:4179:5ac8
65.121.90.201 0:0:0:0:0:ffff:4179:5ac9
65.121.90.202 0:0:0:0:0:ffff:4179:5aca
65.121.90.203 0:0:0:0:0:ffff:4179:5acb
65.121.90.204 0:0:0:0:0:ffff:4179:5acc
65.121.90.205 0:0:0:0:0:ffff:4179:5acd
65.121.90.206 0:0:0:0:0:ffff:4179:5ace
65.121.90.207 0:0:0:0:0:ffff:4179:5acf
65.121.90.208 0:0:0:0:0:ffff:4179:5ad0
65.121.90.209 0:0:0:0:0:ffff:4179:5ad1
65.121.90.210 0:0:0:0:0:ffff:4179:5ad2
65.121.90.211 0:0:0:0:0:ffff:4179:5ad3
65.121.90.212 0:0:0:0:0:ffff:4179:5ad4
65.121.90.213 0:0:0:0:0:ffff:4179:5ad5
65.121.90.214 0:0:0:0:0:ffff:4179:5ad6
65.121.90.215 0:0:0:0:0:ffff:4179:5ad7
65.121.90.216 0:0:0:0:0:ffff:4179:5ad8
65.121.90.217 0:0:0:0:0:ffff:4179:5ad9
65.121.90.218 0:0:0:0:0:ffff:4179:5ada
65.121.90.219 0:0:0:0:0:ffff:4179:5adb
65.121.90.220 0:0:0:0:0:ffff:4179:5adc
65.121.90.221 0:0:0:0:0:ffff:4179:5add
65.121.90.222 0:0:0:0:0:ffff:4179:5ade
65.121.90.223 0:0:0:0:0:ffff:4179:5adf
65.121.90.224 0:0:0:0:0:ffff:4179:5ae0
65.121.90.225 0:0:0:0:0:ffff:4179:5ae1
65.121.90.226 0:0:0:0:0:ffff:4179:5ae2
65.121.90.227 0:0:0:0:0:ffff:4179:5ae3
65.121.90.228 0:0:0:0:0:ffff:4179:5ae4
65.121.90.229 0:0:0:0:0:ffff:4179:5ae5
65.121.90.230 0:0:0:0:0:ffff:4179:5ae6
65.121.90.231 0:0:0:0:0:ffff:4179:5ae7
65.121.90.232 0:0:0:0:0:ffff:4179:5ae8
65.121.90.233 0:0:0:0:0:ffff:4179:5ae9
65.121.90.234 0:0:0:0:0:ffff:4179:5aea
65.121.90.235 0:0:0:0:0:ffff:4179:5aeb
65.121.90.236 0:0:0:0:0:ffff:4179:5aec
65.121.90.237 0:0:0:0:0:ffff:4179:5aed
65.121.90.238 0:0:0:0:0:ffff:4179:5aee
65.121.90.239 0:0:0:0:0:ffff:4179:5aef
65.121.90.240 0:0:0:0:0:ffff:4179:5af0
65.121.90.241 0:0:0:0:0:ffff:4179:5af1
65.121.90.242 0:0:0:0:0:ffff:4179:5af2
65.121.90.243 0:0:0:0:0:ffff:4179:5af3
65.121.90.244 0:0:0:0:0:ffff:4179:5af4
65.121.90.245 0:0:0:0:0:ffff:4179:5af5
65.121.90.246 0:0:0:0:0:ffff:4179:5af6
65.121.90.247 0:0:0:0:0:ffff:4179:5af7
65.121.90.248 0:0:0:0:0:ffff:4179:5af8
65.121.90.249 0:0:0:0:0:ffff:4179:5af9
65.121.90.250 0:0:0:0:0:ffff:4179:5afa
65.121.90.251 0:0:0:0:0:ffff:4179:5afb
65.121.90.252 0:0:0:0:0:ffff:4179:5afc
65.121.90.253 0:0:0:0:0:ffff:4179:5afd
65.121.90.254 0:0:0:0:0:ffff:4179:5afe
65.121.90.255 0:0:0:0:0:ffff:4179:5aff


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.