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
65.121.77.1 0:0:0:0:0:ffff:4179:4d01
65.121.77.2 0:0:0:0:0:ffff:4179:4d02
65.121.77.3 0:0:0:0:0:ffff:4179:4d03
65.121.77.4 0:0:0:0:0:ffff:4179:4d04
65.121.77.5 0:0:0:0:0:ffff:4179:4d05
65.121.77.6 0:0:0:0:0:ffff:4179:4d06
65.121.77.7 0:0:0:0:0:ffff:4179:4d07
65.121.77.8 0:0:0:0:0:ffff:4179:4d08
65.121.77.9 0:0:0:0:0:ffff:4179:4d09
65.121.77.10 0:0:0:0:0:ffff:4179:4d0a
65.121.77.11 0:0:0:0:0:ffff:4179:4d0b
65.121.77.12 0:0:0:0:0:ffff:4179:4d0c
65.121.77.13 0:0:0:0:0:ffff:4179:4d0d
65.121.77.14 0:0:0:0:0:ffff:4179:4d0e
65.121.77.15 0:0:0:0:0:ffff:4179:4d0f
65.121.77.16 0:0:0:0:0:ffff:4179:4d10
65.121.77.17 0:0:0:0:0:ffff:4179:4d11
65.121.77.18 0:0:0:0:0:ffff:4179:4d12
65.121.77.19 0:0:0:0:0:ffff:4179:4d13
65.121.77.20 0:0:0:0:0:ffff:4179:4d14
65.121.77.21 0:0:0:0:0:ffff:4179:4d15
65.121.77.22 0:0:0:0:0:ffff:4179:4d16
65.121.77.23 0:0:0:0:0:ffff:4179:4d17
65.121.77.24 0:0:0:0:0:ffff:4179:4d18
65.121.77.25 0:0:0:0:0:ffff:4179:4d19
65.121.77.26 0:0:0:0:0:ffff:4179:4d1a
65.121.77.27 0:0:0:0:0:ffff:4179:4d1b
65.121.77.28 0:0:0:0:0:ffff:4179:4d1c
65.121.77.29 0:0:0:0:0:ffff:4179:4d1d
65.121.77.30 0:0:0:0:0:ffff:4179:4d1e
65.121.77.31 0:0:0:0:0:ffff:4179:4d1f
65.121.77.32 0:0:0:0:0:ffff:4179:4d20
65.121.77.33 0:0:0:0:0:ffff:4179:4d21
65.121.77.34 0:0:0:0:0:ffff:4179:4d22
65.121.77.35 0:0:0:0:0:ffff:4179:4d23
65.121.77.36 0:0:0:0:0:ffff:4179:4d24
65.121.77.37 0:0:0:0:0:ffff:4179:4d25
65.121.77.38 0:0:0:0:0:ffff:4179:4d26
65.121.77.39 0:0:0:0:0:ffff:4179:4d27
65.121.77.40 0:0:0:0:0:ffff:4179:4d28
65.121.77.41 0:0:0:0:0:ffff:4179:4d29
65.121.77.42 0:0:0:0:0:ffff:4179:4d2a
65.121.77.43 0:0:0:0:0:ffff:4179:4d2b
65.121.77.44 0:0:0:0:0:ffff:4179:4d2c
65.121.77.45 0:0:0:0:0:ffff:4179:4d2d
65.121.77.46 0:0:0:0:0:ffff:4179:4d2e
65.121.77.47 0:0:0:0:0:ffff:4179:4d2f
65.121.77.48 0:0:0:0:0:ffff:4179:4d30
65.121.77.49 0:0:0:0:0:ffff:4179:4d31
65.121.77.50 0:0:0:0:0:ffff:4179:4d32
65.121.77.51 0:0:0:0:0:ffff:4179:4d33
65.121.77.52 0:0:0:0:0:ffff:4179:4d34
65.121.77.53 0:0:0:0:0:ffff:4179:4d35
65.121.77.54 0:0:0:0:0:ffff:4179:4d36
65.121.77.55 0:0:0:0:0:ffff:4179:4d37
65.121.77.56 0:0:0:0:0:ffff:4179:4d38
65.121.77.57 0:0:0:0:0:ffff:4179:4d39
65.121.77.58 0:0:0:0:0:ffff:4179:4d3a
65.121.77.59 0:0:0:0:0:ffff:4179:4d3b
65.121.77.60 0:0:0:0:0:ffff:4179:4d3c


65.121.77.61 0:0:0:0:0:ffff:4179:4d3d
65.121.77.62 0:0:0:0:0:ffff:4179:4d3e
65.121.77.63 0:0:0:0:0:ffff:4179:4d3f
65.121.77.64 0:0:0:0:0:ffff:4179:4d40
65.121.77.65 0:0:0:0:0:ffff:4179:4d41
65.121.77.66 0:0:0:0:0:ffff:4179:4d42
65.121.77.67 0:0:0:0:0:ffff:4179:4d43
65.121.77.68 0:0:0:0:0:ffff:4179:4d44
65.121.77.69 0:0:0:0:0:ffff:4179:4d45
65.121.77.70 0:0:0:0:0:ffff:4179:4d46
65.121.77.71 0:0:0:0:0:ffff:4179:4d47
65.121.77.72 0:0:0:0:0:ffff:4179:4d48
65.121.77.73 0:0:0:0:0:ffff:4179:4d49
65.121.77.74 0:0:0:0:0:ffff:4179:4d4a
65.121.77.75 0:0:0:0:0:ffff:4179:4d4b
65.121.77.76 0:0:0:0:0:ffff:4179:4d4c
65.121.77.77 0:0:0:0:0:ffff:4179:4d4d
65.121.77.78 0:0:0:0:0:ffff:4179:4d4e
65.121.77.79 0:0:0:0:0:ffff:4179:4d4f
65.121.77.80 0:0:0:0:0:ffff:4179:4d50
65.121.77.81 0:0:0:0:0:ffff:4179:4d51
65.121.77.82 0:0:0:0:0:ffff:4179:4d52
65.121.77.83 0:0:0:0:0:ffff:4179:4d53
65.121.77.84 0:0:0:0:0:ffff:4179:4d54
65.121.77.85 0:0:0:0:0:ffff:4179:4d55
65.121.77.86 0:0:0:0:0:ffff:4179:4d56
65.121.77.87 0:0:0:0:0:ffff:4179:4d57
65.121.77.88 0:0:0:0:0:ffff:4179:4d58
65.121.77.89 0:0:0:0:0:ffff:4179:4d59
65.121.77.90 0:0:0:0:0:ffff:4179:4d5a
65.121.77.91 0:0:0:0:0:ffff:4179:4d5b
65.121.77.92 0:0:0:0:0:ffff:4179:4d5c
65.121.77.93 0:0:0:0:0:ffff:4179:4d5d
65.121.77.94 0:0:0:0:0:ffff:4179:4d5e
65.121.77.95 0:0:0:0:0:ffff:4179:4d5f
65.121.77.96 0:0:0:0:0:ffff:4179:4d60
65.121.77.97 0:0:0:0:0:ffff:4179:4d61
65.121.77.98 0:0:0:0:0:ffff:4179:4d62
65.121.77.99 0:0:0:0:0:ffff:4179:4d63
65.121.77.100 0:0:0:0:0:ffff:4179:4d64
65.121.77.101 0:0:0:0:0:ffff:4179:4d65
65.121.77.102 0:0:0:0:0:ffff:4179:4d66
65.121.77.103 0:0:0:0:0:ffff:4179:4d67
65.121.77.104 0:0:0:0:0:ffff:4179:4d68
65.121.77.105 0:0:0:0:0:ffff:4179:4d69
65.121.77.106 0:0:0:0:0:ffff:4179:4d6a
65.121.77.107 0:0:0:0:0:ffff:4179:4d6b
65.121.77.108 0:0:0:0:0:ffff:4179:4d6c
65.121.77.109 0:0:0:0:0:ffff:4179:4d6d
65.121.77.110 0:0:0:0:0:ffff:4179:4d6e
65.121.77.111 0:0:0:0:0:ffff:4179:4d6f
65.121.77.112 0:0:0:0:0:ffff:4179:4d70
65.121.77.113 0:0:0:0:0:ffff:4179:4d71
65.121.77.114 0:0:0:0:0:ffff:4179:4d72
65.121.77.115 0:0:0:0:0:ffff:4179:4d73
65.121.77.116 0:0:0:0:0:ffff:4179:4d74
65.121.77.117 0:0:0:0:0:ffff:4179:4d75
65.121.77.118 0:0:0:0:0:ffff:4179:4d76
65.121.77.119 0:0:0:0:0:ffff:4179:4d77
65.121.77.120 0:0:0:0:0:ffff:4179:4d78


65.121.77.121 0:0:0:0:0:ffff:4179:4d79
65.121.77.122 0:0:0:0:0:ffff:4179:4d7a
65.121.77.123 0:0:0:0:0:ffff:4179:4d7b
65.121.77.124 0:0:0:0:0:ffff:4179:4d7c
65.121.77.125 0:0:0:0:0:ffff:4179:4d7d
65.121.77.126 0:0:0:0:0:ffff:4179:4d7e
65.121.77.127 0:0:0:0:0:ffff:4179:4d7f
65.121.77.128 0:0:0:0:0:ffff:4179:4d80
65.121.77.129 0:0:0:0:0:ffff:4179:4d81
65.121.77.130 0:0:0:0:0:ffff:4179:4d82
65.121.77.131 0:0:0:0:0:ffff:4179:4d83
65.121.77.132 0:0:0:0:0:ffff:4179:4d84
65.121.77.133 0:0:0:0:0:ffff:4179:4d85
65.121.77.134 0:0:0:0:0:ffff:4179:4d86
65.121.77.135 0:0:0:0:0:ffff:4179:4d87
65.121.77.136 0:0:0:0:0:ffff:4179:4d88
65.121.77.137 0:0:0:0:0:ffff:4179:4d89
65.121.77.138 0:0:0:0:0:ffff:4179:4d8a
65.121.77.139 0:0:0:0:0:ffff:4179:4d8b
65.121.77.140 0:0:0:0:0:ffff:4179:4d8c
65.121.77.141 0:0:0:0:0:ffff:4179:4d8d
65.121.77.142 0:0:0:0:0:ffff:4179:4d8e
65.121.77.143 0:0:0:0:0:ffff:4179:4d8f
65.121.77.144 0:0:0:0:0:ffff:4179:4d90
65.121.77.145 0:0:0:0:0:ffff:4179:4d91
65.121.77.146 0:0:0:0:0:ffff:4179:4d92
65.121.77.147 0:0:0:0:0:ffff:4179:4d93
65.121.77.148 0:0:0:0:0:ffff:4179:4d94
65.121.77.149 0:0:0:0:0:ffff:4179:4d95
65.121.77.150 0:0:0:0:0:ffff:4179:4d96
65.121.77.151 0:0:0:0:0:ffff:4179:4d97
65.121.77.152 0:0:0:0:0:ffff:4179:4d98
65.121.77.153 0:0:0:0:0:ffff:4179:4d99
65.121.77.154 0:0:0:0:0:ffff:4179:4d9a
65.121.77.155 0:0:0:0:0:ffff:4179:4d9b
65.121.77.156 0:0:0:0:0:ffff:4179:4d9c
65.121.77.157 0:0:0:0:0:ffff:4179:4d9d
65.121.77.158 0:0:0:0:0:ffff:4179:4d9e
65.121.77.159 0:0:0:0:0:ffff:4179:4d9f
65.121.77.160 0:0:0:0:0:ffff:4179:4da0
65.121.77.161 0:0:0:0:0:ffff:4179:4da1
65.121.77.162 0:0:0:0:0:ffff:4179:4da2
65.121.77.163 0:0:0:0:0:ffff:4179:4da3
65.121.77.164 0:0:0:0:0:ffff:4179:4da4
65.121.77.165 0:0:0:0:0:ffff:4179:4da5
65.121.77.166 0:0:0:0:0:ffff:4179:4da6
65.121.77.167 0:0:0:0:0:ffff:4179:4da7
65.121.77.168 0:0:0:0:0:ffff:4179:4da8
65.121.77.169 0:0:0:0:0:ffff:4179:4da9
65.121.77.170 0:0:0:0:0:ffff:4179:4daa
65.121.77.171 0:0:0:0:0:ffff:4179:4dab
65.121.77.172 0:0:0:0:0:ffff:4179:4dac
65.121.77.173 0:0:0:0:0:ffff:4179:4dad
65.121.77.174 0:0:0:0:0:ffff:4179:4dae
65.121.77.175 0:0:0:0:0:ffff:4179:4daf
65.121.77.176 0:0:0:0:0:ffff:4179:4db0
65.121.77.177 0:0:0:0:0:ffff:4179:4db1
65.121.77.178 0:0:0:0:0:ffff:4179:4db2
65.121.77.179 0:0:0:0:0:ffff:4179:4db3
65.121.77.180 0:0:0:0:0:ffff:4179:4db4


65.121.77.181 0:0:0:0:0:ffff:4179:4db5
65.121.77.182 0:0:0:0:0:ffff:4179:4db6
65.121.77.183 0:0:0:0:0:ffff:4179:4db7
65.121.77.184 0:0:0:0:0:ffff:4179:4db8
65.121.77.185 0:0:0:0:0:ffff:4179:4db9
65.121.77.186 0:0:0:0:0:ffff:4179:4dba
65.121.77.187 0:0:0:0:0:ffff:4179:4dbb
65.121.77.188 0:0:0:0:0:ffff:4179:4dbc
65.121.77.189 0:0:0:0:0:ffff:4179:4dbd
65.121.77.190 0:0:0:0:0:ffff:4179:4dbe
65.121.77.191 0:0:0:0:0:ffff:4179:4dbf
65.121.77.192 0:0:0:0:0:ffff:4179:4dc0
65.121.77.193 0:0:0:0:0:ffff:4179:4dc1
65.121.77.194 0:0:0:0:0:ffff:4179:4dc2
65.121.77.195 0:0:0:0:0:ffff:4179:4dc3
65.121.77.196 0:0:0:0:0:ffff:4179:4dc4
65.121.77.197 0:0:0:0:0:ffff:4179:4dc5
65.121.77.198 0:0:0:0:0:ffff:4179:4dc6
65.121.77.199 0:0:0:0:0:ffff:4179:4dc7
65.121.77.200 0:0:0:0:0:ffff:4179:4dc8
65.121.77.201 0:0:0:0:0:ffff:4179:4dc9
65.121.77.202 0:0:0:0:0:ffff:4179:4dca
65.121.77.203 0:0:0:0:0:ffff:4179:4dcb
65.121.77.204 0:0:0:0:0:ffff:4179:4dcc
65.121.77.205 0:0:0:0:0:ffff:4179:4dcd
65.121.77.206 0:0:0:0:0:ffff:4179:4dce
65.121.77.207 0:0:0:0:0:ffff:4179:4dcf
65.121.77.208 0:0:0:0:0:ffff:4179:4dd0
65.121.77.209 0:0:0:0:0:ffff:4179:4dd1
65.121.77.210 0:0:0:0:0:ffff:4179:4dd2
65.121.77.211 0:0:0:0:0:ffff:4179:4dd3
65.121.77.212 0:0:0:0:0:ffff:4179:4dd4
65.121.77.213 0:0:0:0:0:ffff:4179:4dd5
65.121.77.214 0:0:0:0:0:ffff:4179:4dd6
65.121.77.215 0:0:0:0:0:ffff:4179:4dd7
65.121.77.216 0:0:0:0:0:ffff:4179:4dd8
65.121.77.217 0:0:0:0:0:ffff:4179:4dd9
65.121.77.218 0:0:0:0:0:ffff:4179:4dda
65.121.77.219 0:0:0:0:0:ffff:4179:4ddb
65.121.77.220 0:0:0:0:0:ffff:4179:4ddc
65.121.77.221 0:0:0:0:0:ffff:4179:4ddd
65.121.77.222 0:0:0:0:0:ffff:4179:4dde
65.121.77.223 0:0:0:0:0:ffff:4179:4ddf
65.121.77.224 0:0:0:0:0:ffff:4179:4de0
65.121.77.225 0:0:0:0:0:ffff:4179:4de1
65.121.77.226 0:0:0:0:0:ffff:4179:4de2
65.121.77.227 0:0:0:0:0:ffff:4179:4de3
65.121.77.228 0:0:0:0:0:ffff:4179:4de4
65.121.77.229 0:0:0:0:0:ffff:4179:4de5
65.121.77.230 0:0:0:0:0:ffff:4179:4de6
65.121.77.231 0:0:0:0:0:ffff:4179:4de7
65.121.77.232 0:0:0:0:0:ffff:4179:4de8
65.121.77.233 0:0:0:0:0:ffff:4179:4de9
65.121.77.234 0:0:0:0:0:ffff:4179:4dea
65.121.77.235 0:0:0:0:0:ffff:4179:4deb
65.121.77.236 0:0:0:0:0:ffff:4179:4dec
65.121.77.237 0:0:0:0:0:ffff:4179:4ded
65.121.77.238 0:0:0:0:0:ffff:4179:4dee
65.121.77.239 0:0:0:0:0:ffff:4179:4def
65.121.77.240 0:0:0:0:0:ffff:4179:4df0
65.121.77.241 0:0:0:0:0:ffff:4179:4df1
65.121.77.242 0:0:0:0:0:ffff:4179:4df2
65.121.77.243 0:0:0:0:0:ffff:4179:4df3
65.121.77.244 0:0:0:0:0:ffff:4179:4df4
65.121.77.245 0:0:0:0:0:ffff:4179:4df5
65.121.77.246 0:0:0:0:0:ffff:4179:4df6
65.121.77.247 0:0:0:0:0:ffff:4179:4df7
65.121.77.248 0:0:0:0:0:ffff:4179:4df8
65.121.77.249 0:0:0:0:0:ffff:4179:4df9
65.121.77.250 0:0:0:0:0:ffff:4179:4dfa
65.121.77.251 0:0:0:0:0:ffff:4179:4dfb
65.121.77.252 0:0:0:0:0:ffff:4179:4dfc
65.121.77.253 0:0:0:0:0:ffff:4179:4dfd
65.121.77.254 0:0:0:0:0:ffff:4179:4dfe
65.121.77.255 0:0:0:0:0:ffff:4179:4dff


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.