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
19.73.138.1 0:0:0:0:0:ffff:1349:8a01
19.73.138.2 0:0:0:0:0:ffff:1349:8a02
19.73.138.3 0:0:0:0:0:ffff:1349:8a03
19.73.138.4 0:0:0:0:0:ffff:1349:8a04
19.73.138.5 0:0:0:0:0:ffff:1349:8a05
19.73.138.6 0:0:0:0:0:ffff:1349:8a06
19.73.138.7 0:0:0:0:0:ffff:1349:8a07
19.73.138.8 0:0:0:0:0:ffff:1349:8a08
19.73.138.9 0:0:0:0:0:ffff:1349:8a09
19.73.138.10 0:0:0:0:0:ffff:1349:8a0a
19.73.138.11 0:0:0:0:0:ffff:1349:8a0b
19.73.138.12 0:0:0:0:0:ffff:1349:8a0c
19.73.138.13 0:0:0:0:0:ffff:1349:8a0d
19.73.138.14 0:0:0:0:0:ffff:1349:8a0e
19.73.138.15 0:0:0:0:0:ffff:1349:8a0f
19.73.138.16 0:0:0:0:0:ffff:1349:8a10
19.73.138.17 0:0:0:0:0:ffff:1349:8a11
19.73.138.18 0:0:0:0:0:ffff:1349:8a12
19.73.138.19 0:0:0:0:0:ffff:1349:8a13
19.73.138.20 0:0:0:0:0:ffff:1349:8a14
19.73.138.21 0:0:0:0:0:ffff:1349:8a15
19.73.138.22 0:0:0:0:0:ffff:1349:8a16
19.73.138.23 0:0:0:0:0:ffff:1349:8a17
19.73.138.24 0:0:0:0:0:ffff:1349:8a18
19.73.138.25 0:0:0:0:0:ffff:1349:8a19
19.73.138.26 0:0:0:0:0:ffff:1349:8a1a
19.73.138.27 0:0:0:0:0:ffff:1349:8a1b
19.73.138.28 0:0:0:0:0:ffff:1349:8a1c
19.73.138.29 0:0:0:0:0:ffff:1349:8a1d
19.73.138.30 0:0:0:0:0:ffff:1349:8a1e
19.73.138.31 0:0:0:0:0:ffff:1349:8a1f
19.73.138.32 0:0:0:0:0:ffff:1349:8a20
19.73.138.33 0:0:0:0:0:ffff:1349:8a21
19.73.138.34 0:0:0:0:0:ffff:1349:8a22
19.73.138.35 0:0:0:0:0:ffff:1349:8a23
19.73.138.36 0:0:0:0:0:ffff:1349:8a24
19.73.138.37 0:0:0:0:0:ffff:1349:8a25
19.73.138.38 0:0:0:0:0:ffff:1349:8a26
19.73.138.39 0:0:0:0:0:ffff:1349:8a27
19.73.138.40 0:0:0:0:0:ffff:1349:8a28
19.73.138.41 0:0:0:0:0:ffff:1349:8a29
19.73.138.42 0:0:0:0:0:ffff:1349:8a2a
19.73.138.43 0:0:0:0:0:ffff:1349:8a2b
19.73.138.44 0:0:0:0:0:ffff:1349:8a2c
19.73.138.45 0:0:0:0:0:ffff:1349:8a2d
19.73.138.46 0:0:0:0:0:ffff:1349:8a2e
19.73.138.47 0:0:0:0:0:ffff:1349:8a2f
19.73.138.48 0:0:0:0:0:ffff:1349:8a30
19.73.138.49 0:0:0:0:0:ffff:1349:8a31
19.73.138.50 0:0:0:0:0:ffff:1349:8a32
19.73.138.51 0:0:0:0:0:ffff:1349:8a33
19.73.138.52 0:0:0:0:0:ffff:1349:8a34
19.73.138.53 0:0:0:0:0:ffff:1349:8a35
19.73.138.54 0:0:0:0:0:ffff:1349:8a36
19.73.138.55 0:0:0:0:0:ffff:1349:8a37
19.73.138.56 0:0:0:0:0:ffff:1349:8a38
19.73.138.57 0:0:0:0:0:ffff:1349:8a39
19.73.138.58 0:0:0:0:0:ffff:1349:8a3a
19.73.138.59 0:0:0:0:0:ffff:1349:8a3b
19.73.138.60 0:0:0:0:0:ffff:1349:8a3c


19.73.138.61 0:0:0:0:0:ffff:1349:8a3d
19.73.138.62 0:0:0:0:0:ffff:1349:8a3e
19.73.138.63 0:0:0:0:0:ffff:1349:8a3f
19.73.138.64 0:0:0:0:0:ffff:1349:8a40
19.73.138.65 0:0:0:0:0:ffff:1349:8a41
19.73.138.66 0:0:0:0:0:ffff:1349:8a42
19.73.138.67 0:0:0:0:0:ffff:1349:8a43
19.73.138.68 0:0:0:0:0:ffff:1349:8a44
19.73.138.69 0:0:0:0:0:ffff:1349:8a45
19.73.138.70 0:0:0:0:0:ffff:1349:8a46
19.73.138.71 0:0:0:0:0:ffff:1349:8a47
19.73.138.72 0:0:0:0:0:ffff:1349:8a48
19.73.138.73 0:0:0:0:0:ffff:1349:8a49
19.73.138.74 0:0:0:0:0:ffff:1349:8a4a
19.73.138.75 0:0:0:0:0:ffff:1349:8a4b
19.73.138.76 0:0:0:0:0:ffff:1349:8a4c
19.73.138.77 0:0:0:0:0:ffff:1349:8a4d
19.73.138.78 0:0:0:0:0:ffff:1349:8a4e
19.73.138.79 0:0:0:0:0:ffff:1349:8a4f
19.73.138.80 0:0:0:0:0:ffff:1349:8a50
19.73.138.81 0:0:0:0:0:ffff:1349:8a51
19.73.138.82 0:0:0:0:0:ffff:1349:8a52
19.73.138.83 0:0:0:0:0:ffff:1349:8a53
19.73.138.84 0:0:0:0:0:ffff:1349:8a54
19.73.138.85 0:0:0:0:0:ffff:1349:8a55
19.73.138.86 0:0:0:0:0:ffff:1349:8a56
19.73.138.87 0:0:0:0:0:ffff:1349:8a57
19.73.138.88 0:0:0:0:0:ffff:1349:8a58
19.73.138.89 0:0:0:0:0:ffff:1349:8a59
19.73.138.90 0:0:0:0:0:ffff:1349:8a5a
19.73.138.91 0:0:0:0:0:ffff:1349:8a5b
19.73.138.92 0:0:0:0:0:ffff:1349:8a5c
19.73.138.93 0:0:0:0:0:ffff:1349:8a5d
19.73.138.94 0:0:0:0:0:ffff:1349:8a5e
19.73.138.95 0:0:0:0:0:ffff:1349:8a5f
19.73.138.96 0:0:0:0:0:ffff:1349:8a60
19.73.138.97 0:0:0:0:0:ffff:1349:8a61
19.73.138.98 0:0:0:0:0:ffff:1349:8a62
19.73.138.99 0:0:0:0:0:ffff:1349:8a63
19.73.138.100 0:0:0:0:0:ffff:1349:8a64
19.73.138.101 0:0:0:0:0:ffff:1349:8a65
19.73.138.102 0:0:0:0:0:ffff:1349:8a66
19.73.138.103 0:0:0:0:0:ffff:1349:8a67
19.73.138.104 0:0:0:0:0:ffff:1349:8a68
19.73.138.105 0:0:0:0:0:ffff:1349:8a69
19.73.138.106 0:0:0:0:0:ffff:1349:8a6a
19.73.138.107 0:0:0:0:0:ffff:1349:8a6b
19.73.138.108 0:0:0:0:0:ffff:1349:8a6c
19.73.138.109 0:0:0:0:0:ffff:1349:8a6d
19.73.138.110 0:0:0:0:0:ffff:1349:8a6e
19.73.138.111 0:0:0:0:0:ffff:1349:8a6f
19.73.138.112 0:0:0:0:0:ffff:1349:8a70
19.73.138.113 0:0:0:0:0:ffff:1349:8a71
19.73.138.114 0:0:0:0:0:ffff:1349:8a72
19.73.138.115 0:0:0:0:0:ffff:1349:8a73
19.73.138.116 0:0:0:0:0:ffff:1349:8a74
19.73.138.117 0:0:0:0:0:ffff:1349:8a75
19.73.138.118 0:0:0:0:0:ffff:1349:8a76
19.73.138.119 0:0:0:0:0:ffff:1349:8a77
19.73.138.120 0:0:0:0:0:ffff:1349:8a78


19.73.138.121 0:0:0:0:0:ffff:1349:8a79
19.73.138.122 0:0:0:0:0:ffff:1349:8a7a
19.73.138.123 0:0:0:0:0:ffff:1349:8a7b
19.73.138.124 0:0:0:0:0:ffff:1349:8a7c
19.73.138.125 0:0:0:0:0:ffff:1349:8a7d
19.73.138.126 0:0:0:0:0:ffff:1349:8a7e
19.73.138.127 0:0:0:0:0:ffff:1349:8a7f
19.73.138.128 0:0:0:0:0:ffff:1349:8a80
19.73.138.129 0:0:0:0:0:ffff:1349:8a81
19.73.138.130 0:0:0:0:0:ffff:1349:8a82
19.73.138.131 0:0:0:0:0:ffff:1349:8a83
19.73.138.132 0:0:0:0:0:ffff:1349:8a84
19.73.138.133 0:0:0:0:0:ffff:1349:8a85
19.73.138.134 0:0:0:0:0:ffff:1349:8a86
19.73.138.135 0:0:0:0:0:ffff:1349:8a87
19.73.138.136 0:0:0:0:0:ffff:1349:8a88
19.73.138.137 0:0:0:0:0:ffff:1349:8a89
19.73.138.138 0:0:0:0:0:ffff:1349:8a8a
19.73.138.139 0:0:0:0:0:ffff:1349:8a8b
19.73.138.140 0:0:0:0:0:ffff:1349:8a8c
19.73.138.141 0:0:0:0:0:ffff:1349:8a8d
19.73.138.142 0:0:0:0:0:ffff:1349:8a8e
19.73.138.143 0:0:0:0:0:ffff:1349:8a8f
19.73.138.144 0:0:0:0:0:ffff:1349:8a90
19.73.138.145 0:0:0:0:0:ffff:1349:8a91
19.73.138.146 0:0:0:0:0:ffff:1349:8a92
19.73.138.147 0:0:0:0:0:ffff:1349:8a93
19.73.138.148 0:0:0:0:0:ffff:1349:8a94
19.73.138.149 0:0:0:0:0:ffff:1349:8a95
19.73.138.150 0:0:0:0:0:ffff:1349:8a96
19.73.138.151 0:0:0:0:0:ffff:1349:8a97
19.73.138.152 0:0:0:0:0:ffff:1349:8a98
19.73.138.153 0:0:0:0:0:ffff:1349:8a99
19.73.138.154 0:0:0:0:0:ffff:1349:8a9a
19.73.138.155 0:0:0:0:0:ffff:1349:8a9b
19.73.138.156 0:0:0:0:0:ffff:1349:8a9c
19.73.138.157 0:0:0:0:0:ffff:1349:8a9d
19.73.138.158 0:0:0:0:0:ffff:1349:8a9e
19.73.138.159 0:0:0:0:0:ffff:1349:8a9f
19.73.138.160 0:0:0:0:0:ffff:1349:8aa0
19.73.138.161 0:0:0:0:0:ffff:1349:8aa1
19.73.138.162 0:0:0:0:0:ffff:1349:8aa2
19.73.138.163 0:0:0:0:0:ffff:1349:8aa3
19.73.138.164 0:0:0:0:0:ffff:1349:8aa4
19.73.138.165 0:0:0:0:0:ffff:1349:8aa5
19.73.138.166 0:0:0:0:0:ffff:1349:8aa6
19.73.138.167 0:0:0:0:0:ffff:1349:8aa7
19.73.138.168 0:0:0:0:0:ffff:1349:8aa8
19.73.138.169 0:0:0:0:0:ffff:1349:8aa9
19.73.138.170 0:0:0:0:0:ffff:1349:8aaa
19.73.138.171 0:0:0:0:0:ffff:1349:8aab
19.73.138.172 0:0:0:0:0:ffff:1349:8aac
19.73.138.173 0:0:0:0:0:ffff:1349:8aad
19.73.138.174 0:0:0:0:0:ffff:1349:8aae
19.73.138.175 0:0:0:0:0:ffff:1349:8aaf
19.73.138.176 0:0:0:0:0:ffff:1349:8ab0
19.73.138.177 0:0:0:0:0:ffff:1349:8ab1
19.73.138.178 0:0:0:0:0:ffff:1349:8ab2
19.73.138.179 0:0:0:0:0:ffff:1349:8ab3
19.73.138.180 0:0:0:0:0:ffff:1349:8ab4


19.73.138.181 0:0:0:0:0:ffff:1349:8ab5
19.73.138.182 0:0:0:0:0:ffff:1349:8ab6
19.73.138.183 0:0:0:0:0:ffff:1349:8ab7
19.73.138.184 0:0:0:0:0:ffff:1349:8ab8
19.73.138.185 0:0:0:0:0:ffff:1349:8ab9
19.73.138.186 0:0:0:0:0:ffff:1349:8aba
19.73.138.187 0:0:0:0:0:ffff:1349:8abb
19.73.138.188 0:0:0:0:0:ffff:1349:8abc
19.73.138.189 0:0:0:0:0:ffff:1349:8abd
19.73.138.190 0:0:0:0:0:ffff:1349:8abe
19.73.138.191 0:0:0:0:0:ffff:1349:8abf
19.73.138.192 0:0:0:0:0:ffff:1349:8ac0
19.73.138.193 0:0:0:0:0:ffff:1349:8ac1
19.73.138.194 0:0:0:0:0:ffff:1349:8ac2
19.73.138.195 0:0:0:0:0:ffff:1349:8ac3
19.73.138.196 0:0:0:0:0:ffff:1349:8ac4
19.73.138.197 0:0:0:0:0:ffff:1349:8ac5
19.73.138.198 0:0:0:0:0:ffff:1349:8ac6
19.73.138.199 0:0:0:0:0:ffff:1349:8ac7
19.73.138.200 0:0:0:0:0:ffff:1349:8ac8
19.73.138.201 0:0:0:0:0:ffff:1349:8ac9
19.73.138.202 0:0:0:0:0:ffff:1349:8aca
19.73.138.203 0:0:0:0:0:ffff:1349:8acb
19.73.138.204 0:0:0:0:0:ffff:1349:8acc
19.73.138.205 0:0:0:0:0:ffff:1349:8acd
19.73.138.206 0:0:0:0:0:ffff:1349:8ace
19.73.138.207 0:0:0:0:0:ffff:1349:8acf
19.73.138.208 0:0:0:0:0:ffff:1349:8ad0
19.73.138.209 0:0:0:0:0:ffff:1349:8ad1
19.73.138.210 0:0:0:0:0:ffff:1349:8ad2
19.73.138.211 0:0:0:0:0:ffff:1349:8ad3
19.73.138.212 0:0:0:0:0:ffff:1349:8ad4
19.73.138.213 0:0:0:0:0:ffff:1349:8ad5
19.73.138.214 0:0:0:0:0:ffff:1349:8ad6
19.73.138.215 0:0:0:0:0:ffff:1349:8ad7
19.73.138.216 0:0:0:0:0:ffff:1349:8ad8
19.73.138.217 0:0:0:0:0:ffff:1349:8ad9
19.73.138.218 0:0:0:0:0:ffff:1349:8ada
19.73.138.219 0:0:0:0:0:ffff:1349:8adb
19.73.138.220 0:0:0:0:0:ffff:1349:8adc
19.73.138.221 0:0:0:0:0:ffff:1349:8add
19.73.138.222 0:0:0:0:0:ffff:1349:8ade
19.73.138.223 0:0:0:0:0:ffff:1349:8adf
19.73.138.224 0:0:0:0:0:ffff:1349:8ae0
19.73.138.225 0:0:0:0:0:ffff:1349:8ae1
19.73.138.226 0:0:0:0:0:ffff:1349:8ae2
19.73.138.227 0:0:0:0:0:ffff:1349:8ae3
19.73.138.228 0:0:0:0:0:ffff:1349:8ae4
19.73.138.229 0:0:0:0:0:ffff:1349:8ae5
19.73.138.230 0:0:0:0:0:ffff:1349:8ae6
19.73.138.231 0:0:0:0:0:ffff:1349:8ae7
19.73.138.232 0:0:0:0:0:ffff:1349:8ae8
19.73.138.233 0:0:0:0:0:ffff:1349:8ae9
19.73.138.234 0:0:0:0:0:ffff:1349:8aea
19.73.138.235 0:0:0:0:0:ffff:1349:8aeb
19.73.138.236 0:0:0:0:0:ffff:1349:8aec
19.73.138.237 0:0:0:0:0:ffff:1349:8aed
19.73.138.238 0:0:0:0:0:ffff:1349:8aee
19.73.138.239 0:0:0:0:0:ffff:1349:8aef
19.73.138.240 0:0:0:0:0:ffff:1349:8af0
19.73.138.241 0:0:0:0:0:ffff:1349:8af1
19.73.138.242 0:0:0:0:0:ffff:1349:8af2
19.73.138.243 0:0:0:0:0:ffff:1349:8af3
19.73.138.244 0:0:0:0:0:ffff:1349:8af4
19.73.138.245 0:0:0:0:0:ffff:1349:8af5
19.73.138.246 0:0:0:0:0:ffff:1349:8af6
19.73.138.247 0:0:0:0:0:ffff:1349:8af7
19.73.138.248 0:0:0:0:0:ffff:1349:8af8
19.73.138.249 0:0:0:0:0:ffff:1349:8af9
19.73.138.250 0:0:0:0:0:ffff:1349:8afa
19.73.138.251 0:0:0:0:0:ffff:1349:8afb
19.73.138.252 0:0:0:0:0:ffff:1349:8afc
19.73.138.253 0:0:0:0:0:ffff:1349:8afd
19.73.138.254 0:0:0:0:0:ffff:1349:8afe
19.73.138.255 0:0:0:0:0:ffff:1349:8aff


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.