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
51.139.10.1 0:0:0:0:0:ffff:338b:a01
51.139.10.2 0:0:0:0:0:ffff:338b:a02
51.139.10.3 0:0:0:0:0:ffff:338b:a03
51.139.10.4 0:0:0:0:0:ffff:338b:a04
51.139.10.5 0:0:0:0:0:ffff:338b:a05
51.139.10.6 0:0:0:0:0:ffff:338b:a06
51.139.10.7 0:0:0:0:0:ffff:338b:a07
51.139.10.8 0:0:0:0:0:ffff:338b:a08
51.139.10.9 0:0:0:0:0:ffff:338b:a09
51.139.10.10 0:0:0:0:0:ffff:338b:a0a
51.139.10.11 0:0:0:0:0:ffff:338b:a0b
51.139.10.12 0:0:0:0:0:ffff:338b:a0c
51.139.10.13 0:0:0:0:0:ffff:338b:a0d
51.139.10.14 0:0:0:0:0:ffff:338b:a0e
51.139.10.15 0:0:0:0:0:ffff:338b:a0f
51.139.10.16 0:0:0:0:0:ffff:338b:a10
51.139.10.17 0:0:0:0:0:ffff:338b:a11
51.139.10.18 0:0:0:0:0:ffff:338b:a12
51.139.10.19 0:0:0:0:0:ffff:338b:a13
51.139.10.20 0:0:0:0:0:ffff:338b:a14
51.139.10.21 0:0:0:0:0:ffff:338b:a15
51.139.10.22 0:0:0:0:0:ffff:338b:a16
51.139.10.23 0:0:0:0:0:ffff:338b:a17
51.139.10.24 0:0:0:0:0:ffff:338b:a18
51.139.10.25 0:0:0:0:0:ffff:338b:a19
51.139.10.26 0:0:0:0:0:ffff:338b:a1a
51.139.10.27 0:0:0:0:0:ffff:338b:a1b
51.139.10.28 0:0:0:0:0:ffff:338b:a1c
51.139.10.29 0:0:0:0:0:ffff:338b:a1d
51.139.10.30 0:0:0:0:0:ffff:338b:a1e
51.139.10.31 0:0:0:0:0:ffff:338b:a1f
51.139.10.32 0:0:0:0:0:ffff:338b:a20
51.139.10.33 0:0:0:0:0:ffff:338b:a21
51.139.10.34 0:0:0:0:0:ffff:338b:a22
51.139.10.35 0:0:0:0:0:ffff:338b:a23
51.139.10.36 0:0:0:0:0:ffff:338b:a24
51.139.10.37 0:0:0:0:0:ffff:338b:a25
51.139.10.38 0:0:0:0:0:ffff:338b:a26
51.139.10.39 0:0:0:0:0:ffff:338b:a27
51.139.10.40 0:0:0:0:0:ffff:338b:a28
51.139.10.41 0:0:0:0:0:ffff:338b:a29
51.139.10.42 0:0:0:0:0:ffff:338b:a2a
51.139.10.43 0:0:0:0:0:ffff:338b:a2b
51.139.10.44 0:0:0:0:0:ffff:338b:a2c
51.139.10.45 0:0:0:0:0:ffff:338b:a2d
51.139.10.46 0:0:0:0:0:ffff:338b:a2e
51.139.10.47 0:0:0:0:0:ffff:338b:a2f
51.139.10.48 0:0:0:0:0:ffff:338b:a30
51.139.10.49 0:0:0:0:0:ffff:338b:a31
51.139.10.50 0:0:0:0:0:ffff:338b:a32
51.139.10.51 0:0:0:0:0:ffff:338b:a33
51.139.10.52 0:0:0:0:0:ffff:338b:a34
51.139.10.53 0:0:0:0:0:ffff:338b:a35
51.139.10.54 0:0:0:0:0:ffff:338b:a36
51.139.10.55 0:0:0:0:0:ffff:338b:a37
51.139.10.56 0:0:0:0:0:ffff:338b:a38
51.139.10.57 0:0:0:0:0:ffff:338b:a39
51.139.10.58 0:0:0:0:0:ffff:338b:a3a
51.139.10.59 0:0:0:0:0:ffff:338b:a3b
51.139.10.60 0:0:0:0:0:ffff:338b:a3c


51.139.10.61 0:0:0:0:0:ffff:338b:a3d
51.139.10.62 0:0:0:0:0:ffff:338b:a3e
51.139.10.63 0:0:0:0:0:ffff:338b:a3f
51.139.10.64 0:0:0:0:0:ffff:338b:a40
51.139.10.65 0:0:0:0:0:ffff:338b:a41
51.139.10.66 0:0:0:0:0:ffff:338b:a42
51.139.10.67 0:0:0:0:0:ffff:338b:a43
51.139.10.68 0:0:0:0:0:ffff:338b:a44
51.139.10.69 0:0:0:0:0:ffff:338b:a45
51.139.10.70 0:0:0:0:0:ffff:338b:a46
51.139.10.71 0:0:0:0:0:ffff:338b:a47
51.139.10.72 0:0:0:0:0:ffff:338b:a48
51.139.10.73 0:0:0:0:0:ffff:338b:a49
51.139.10.74 0:0:0:0:0:ffff:338b:a4a
51.139.10.75 0:0:0:0:0:ffff:338b:a4b
51.139.10.76 0:0:0:0:0:ffff:338b:a4c
51.139.10.77 0:0:0:0:0:ffff:338b:a4d
51.139.10.78 0:0:0:0:0:ffff:338b:a4e
51.139.10.79 0:0:0:0:0:ffff:338b:a4f
51.139.10.80 0:0:0:0:0:ffff:338b:a50
51.139.10.81 0:0:0:0:0:ffff:338b:a51
51.139.10.82 0:0:0:0:0:ffff:338b:a52
51.139.10.83 0:0:0:0:0:ffff:338b:a53
51.139.10.84 0:0:0:0:0:ffff:338b:a54
51.139.10.85 0:0:0:0:0:ffff:338b:a55
51.139.10.86 0:0:0:0:0:ffff:338b:a56
51.139.10.87 0:0:0:0:0:ffff:338b:a57
51.139.10.88 0:0:0:0:0:ffff:338b:a58
51.139.10.89 0:0:0:0:0:ffff:338b:a59
51.139.10.90 0:0:0:0:0:ffff:338b:a5a
51.139.10.91 0:0:0:0:0:ffff:338b:a5b
51.139.10.92 0:0:0:0:0:ffff:338b:a5c
51.139.10.93 0:0:0:0:0:ffff:338b:a5d
51.139.10.94 0:0:0:0:0:ffff:338b:a5e
51.139.10.95 0:0:0:0:0:ffff:338b:a5f
51.139.10.96 0:0:0:0:0:ffff:338b:a60
51.139.10.97 0:0:0:0:0:ffff:338b:a61
51.139.10.98 0:0:0:0:0:ffff:338b:a62
51.139.10.99 0:0:0:0:0:ffff:338b:a63
51.139.10.100 0:0:0:0:0:ffff:338b:a64
51.139.10.101 0:0:0:0:0:ffff:338b:a65
51.139.10.102 0:0:0:0:0:ffff:338b:a66
51.139.10.103 0:0:0:0:0:ffff:338b:a67
51.139.10.104 0:0:0:0:0:ffff:338b:a68
51.139.10.105 0:0:0:0:0:ffff:338b:a69
51.139.10.106 0:0:0:0:0:ffff:338b:a6a
51.139.10.107 0:0:0:0:0:ffff:338b:a6b
51.139.10.108 0:0:0:0:0:ffff:338b:a6c
51.139.10.109 0:0:0:0:0:ffff:338b:a6d
51.139.10.110 0:0:0:0:0:ffff:338b:a6e
51.139.10.111 0:0:0:0:0:ffff:338b:a6f
51.139.10.112 0:0:0:0:0:ffff:338b:a70
51.139.10.113 0:0:0:0:0:ffff:338b:a71
51.139.10.114 0:0:0:0:0:ffff:338b:a72
51.139.10.115 0:0:0:0:0:ffff:338b:a73
51.139.10.116 0:0:0:0:0:ffff:338b:a74
51.139.10.117 0:0:0:0:0:ffff:338b:a75
51.139.10.118 0:0:0:0:0:ffff:338b:a76
51.139.10.119 0:0:0:0:0:ffff:338b:a77
51.139.10.120 0:0:0:0:0:ffff:338b:a78


51.139.10.121 0:0:0:0:0:ffff:338b:a79
51.139.10.122 0:0:0:0:0:ffff:338b:a7a
51.139.10.123 0:0:0:0:0:ffff:338b:a7b
51.139.10.124 0:0:0:0:0:ffff:338b:a7c
51.139.10.125 0:0:0:0:0:ffff:338b:a7d
51.139.10.126 0:0:0:0:0:ffff:338b:a7e
51.139.10.127 0:0:0:0:0:ffff:338b:a7f
51.139.10.128 0:0:0:0:0:ffff:338b:a80
51.139.10.129 0:0:0:0:0:ffff:338b:a81
51.139.10.130 0:0:0:0:0:ffff:338b:a82
51.139.10.131 0:0:0:0:0:ffff:338b:a83
51.139.10.132 0:0:0:0:0:ffff:338b:a84
51.139.10.133 0:0:0:0:0:ffff:338b:a85
51.139.10.134 0:0:0:0:0:ffff:338b:a86
51.139.10.135 0:0:0:0:0:ffff:338b:a87
51.139.10.136 0:0:0:0:0:ffff:338b:a88
51.139.10.137 0:0:0:0:0:ffff:338b:a89
51.139.10.138 0:0:0:0:0:ffff:338b:a8a
51.139.10.139 0:0:0:0:0:ffff:338b:a8b
51.139.10.140 0:0:0:0:0:ffff:338b:a8c
51.139.10.141 0:0:0:0:0:ffff:338b:a8d
51.139.10.142 0:0:0:0:0:ffff:338b:a8e
51.139.10.143 0:0:0:0:0:ffff:338b:a8f
51.139.10.144 0:0:0:0:0:ffff:338b:a90
51.139.10.145 0:0:0:0:0:ffff:338b:a91
51.139.10.146 0:0:0:0:0:ffff:338b:a92
51.139.10.147 0:0:0:0:0:ffff:338b:a93
51.139.10.148 0:0:0:0:0:ffff:338b:a94
51.139.10.149 0:0:0:0:0:ffff:338b:a95
51.139.10.150 0:0:0:0:0:ffff:338b:a96
51.139.10.151 0:0:0:0:0:ffff:338b:a97
51.139.10.152 0:0:0:0:0:ffff:338b:a98
51.139.10.153 0:0:0:0:0:ffff:338b:a99
51.139.10.154 0:0:0:0:0:ffff:338b:a9a
51.139.10.155 0:0:0:0:0:ffff:338b:a9b
51.139.10.156 0:0:0:0:0:ffff:338b:a9c
51.139.10.157 0:0:0:0:0:ffff:338b:a9d
51.139.10.158 0:0:0:0:0:ffff:338b:a9e
51.139.10.159 0:0:0:0:0:ffff:338b:a9f
51.139.10.160 0:0:0:0:0:ffff:338b:aa0
51.139.10.161 0:0:0:0:0:ffff:338b:aa1
51.139.10.162 0:0:0:0:0:ffff:338b:aa2
51.139.10.163 0:0:0:0:0:ffff:338b:aa3
51.139.10.164 0:0:0:0:0:ffff:338b:aa4
51.139.10.165 0:0:0:0:0:ffff:338b:aa5
51.139.10.166 0:0:0:0:0:ffff:338b:aa6
51.139.10.167 0:0:0:0:0:ffff:338b:aa7
51.139.10.168 0:0:0:0:0:ffff:338b:aa8
51.139.10.169 0:0:0:0:0:ffff:338b:aa9
51.139.10.170 0:0:0:0:0:ffff:338b:aaa
51.139.10.171 0:0:0:0:0:ffff:338b:aab
51.139.10.172 0:0:0:0:0:ffff:338b:aac
51.139.10.173 0:0:0:0:0:ffff:338b:aad
51.139.10.174 0:0:0:0:0:ffff:338b:aae
51.139.10.175 0:0:0:0:0:ffff:338b:aaf
51.139.10.176 0:0:0:0:0:ffff:338b:ab0
51.139.10.177 0:0:0:0:0:ffff:338b:ab1
51.139.10.178 0:0:0:0:0:ffff:338b:ab2
51.139.10.179 0:0:0:0:0:ffff:338b:ab3
51.139.10.180 0:0:0:0:0:ffff:338b:ab4


51.139.10.181 0:0:0:0:0:ffff:338b:ab5
51.139.10.182 0:0:0:0:0:ffff:338b:ab6
51.139.10.183 0:0:0:0:0:ffff:338b:ab7
51.139.10.184 0:0:0:0:0:ffff:338b:ab8
51.139.10.185 0:0:0:0:0:ffff:338b:ab9
51.139.10.186 0:0:0:0:0:ffff:338b:aba
51.139.10.187 0:0:0:0:0:ffff:338b:abb
51.139.10.188 0:0:0:0:0:ffff:338b:abc
51.139.10.189 0:0:0:0:0:ffff:338b:abd
51.139.10.190 0:0:0:0:0:ffff:338b:abe
51.139.10.191 0:0:0:0:0:ffff:338b:abf
51.139.10.192 0:0:0:0:0:ffff:338b:ac0
51.139.10.193 0:0:0:0:0:ffff:338b:ac1
51.139.10.194 0:0:0:0:0:ffff:338b:ac2
51.139.10.195 0:0:0:0:0:ffff:338b:ac3
51.139.10.196 0:0:0:0:0:ffff:338b:ac4
51.139.10.197 0:0:0:0:0:ffff:338b:ac5
51.139.10.198 0:0:0:0:0:ffff:338b:ac6
51.139.10.199 0:0:0:0:0:ffff:338b:ac7
51.139.10.200 0:0:0:0:0:ffff:338b:ac8
51.139.10.201 0:0:0:0:0:ffff:338b:ac9
51.139.10.202 0:0:0:0:0:ffff:338b:aca
51.139.10.203 0:0:0:0:0:ffff:338b:acb
51.139.10.204 0:0:0:0:0:ffff:338b:acc
51.139.10.205 0:0:0:0:0:ffff:338b:acd
51.139.10.206 0:0:0:0:0:ffff:338b:ace
51.139.10.207 0:0:0:0:0:ffff:338b:acf
51.139.10.208 0:0:0:0:0:ffff:338b:ad0
51.139.10.209 0:0:0:0:0:ffff:338b:ad1
51.139.10.210 0:0:0:0:0:ffff:338b:ad2
51.139.10.211 0:0:0:0:0:ffff:338b:ad3
51.139.10.212 0:0:0:0:0:ffff:338b:ad4
51.139.10.213 0:0:0:0:0:ffff:338b:ad5
51.139.10.214 0:0:0:0:0:ffff:338b:ad6
51.139.10.215 0:0:0:0:0:ffff:338b:ad7
51.139.10.216 0:0:0:0:0:ffff:338b:ad8
51.139.10.217 0:0:0:0:0:ffff:338b:ad9
51.139.10.218 0:0:0:0:0:ffff:338b:ada
51.139.10.219 0:0:0:0:0:ffff:338b:adb
51.139.10.220 0:0:0:0:0:ffff:338b:adc
51.139.10.221 0:0:0:0:0:ffff:338b:add
51.139.10.222 0:0:0:0:0:ffff:338b:ade
51.139.10.223 0:0:0:0:0:ffff:338b:adf
51.139.10.224 0:0:0:0:0:ffff:338b:ae0
51.139.10.225 0:0:0:0:0:ffff:338b:ae1
51.139.10.226 0:0:0:0:0:ffff:338b:ae2
51.139.10.227 0:0:0:0:0:ffff:338b:ae3
51.139.10.228 0:0:0:0:0:ffff:338b:ae4
51.139.10.229 0:0:0:0:0:ffff:338b:ae5
51.139.10.230 0:0:0:0:0:ffff:338b:ae6
51.139.10.231 0:0:0:0:0:ffff:338b:ae7
51.139.10.232 0:0:0:0:0:ffff:338b:ae8
51.139.10.233 0:0:0:0:0:ffff:338b:ae9
51.139.10.234 0:0:0:0:0:ffff:338b:aea
51.139.10.235 0:0:0:0:0:ffff:338b:aeb
51.139.10.236 0:0:0:0:0:ffff:338b:aec
51.139.10.237 0:0:0:0:0:ffff:338b:aed
51.139.10.238 0:0:0:0:0:ffff:338b:aee
51.139.10.239 0:0:0:0:0:ffff:338b:aef
51.139.10.240 0:0:0:0:0:ffff:338b:af0
51.139.10.241 0:0:0:0:0:ffff:338b:af1
51.139.10.242 0:0:0:0:0:ffff:338b:af2
51.139.10.243 0:0:0:0:0:ffff:338b:af3
51.139.10.244 0:0:0:0:0:ffff:338b:af4
51.139.10.245 0:0:0:0:0:ffff:338b:af5
51.139.10.246 0:0:0:0:0:ffff:338b:af6
51.139.10.247 0:0:0:0:0:ffff:338b:af7
51.139.10.248 0:0:0:0:0:ffff:338b:af8
51.139.10.249 0:0:0:0:0:ffff:338b:af9
51.139.10.250 0:0:0:0:0:ffff:338b:afa
51.139.10.251 0:0:0:0:0:ffff:338b:afb
51.139.10.252 0:0:0:0:0:ffff:338b:afc
51.139.10.253 0:0:0:0:0:ffff:338b:afd
51.139.10.254 0:0:0:0:0:ffff:338b:afe
51.139.10.255 0:0:0:0:0:ffff:338b:aff


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.