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
19.73.42.1 0:0:0:0:0:ffff:1349:2a01
19.73.42.2 0:0:0:0:0:ffff:1349:2a02
19.73.42.3 0:0:0:0:0:ffff:1349:2a03
19.73.42.4 0:0:0:0:0:ffff:1349:2a04
19.73.42.5 0:0:0:0:0:ffff:1349:2a05
19.73.42.6 0:0:0:0:0:ffff:1349:2a06
19.73.42.7 0:0:0:0:0:ffff:1349:2a07
19.73.42.8 0:0:0:0:0:ffff:1349:2a08
19.73.42.9 0:0:0:0:0:ffff:1349:2a09
19.73.42.10 0:0:0:0:0:ffff:1349:2a0a
19.73.42.11 0:0:0:0:0:ffff:1349:2a0b
19.73.42.12 0:0:0:0:0:ffff:1349:2a0c
19.73.42.13 0:0:0:0:0:ffff:1349:2a0d
19.73.42.14 0:0:0:0:0:ffff:1349:2a0e
19.73.42.15 0:0:0:0:0:ffff:1349:2a0f
19.73.42.16 0:0:0:0:0:ffff:1349:2a10
19.73.42.17 0:0:0:0:0:ffff:1349:2a11
19.73.42.18 0:0:0:0:0:ffff:1349:2a12
19.73.42.19 0:0:0:0:0:ffff:1349:2a13
19.73.42.20 0:0:0:0:0:ffff:1349:2a14
19.73.42.21 0:0:0:0:0:ffff:1349:2a15
19.73.42.22 0:0:0:0:0:ffff:1349:2a16
19.73.42.23 0:0:0:0:0:ffff:1349:2a17
19.73.42.24 0:0:0:0:0:ffff:1349:2a18
19.73.42.25 0:0:0:0:0:ffff:1349:2a19
19.73.42.26 0:0:0:0:0:ffff:1349:2a1a
19.73.42.27 0:0:0:0:0:ffff:1349:2a1b
19.73.42.28 0:0:0:0:0:ffff:1349:2a1c
19.73.42.29 0:0:0:0:0:ffff:1349:2a1d
19.73.42.30 0:0:0:0:0:ffff:1349:2a1e
19.73.42.31 0:0:0:0:0:ffff:1349:2a1f
19.73.42.32 0:0:0:0:0:ffff:1349:2a20
19.73.42.33 0:0:0:0:0:ffff:1349:2a21
19.73.42.34 0:0:0:0:0:ffff:1349:2a22
19.73.42.35 0:0:0:0:0:ffff:1349:2a23
19.73.42.36 0:0:0:0:0:ffff:1349:2a24
19.73.42.37 0:0:0:0:0:ffff:1349:2a25
19.73.42.38 0:0:0:0:0:ffff:1349:2a26
19.73.42.39 0:0:0:0:0:ffff:1349:2a27
19.73.42.40 0:0:0:0:0:ffff:1349:2a28
19.73.42.41 0:0:0:0:0:ffff:1349:2a29
19.73.42.42 0:0:0:0:0:ffff:1349:2a2a
19.73.42.43 0:0:0:0:0:ffff:1349:2a2b
19.73.42.44 0:0:0:0:0:ffff:1349:2a2c
19.73.42.45 0:0:0:0:0:ffff:1349:2a2d
19.73.42.46 0:0:0:0:0:ffff:1349:2a2e
19.73.42.47 0:0:0:0:0:ffff:1349:2a2f
19.73.42.48 0:0:0:0:0:ffff:1349:2a30
19.73.42.49 0:0:0:0:0:ffff:1349:2a31
19.73.42.50 0:0:0:0:0:ffff:1349:2a32
19.73.42.51 0:0:0:0:0:ffff:1349:2a33
19.73.42.52 0:0:0:0:0:ffff:1349:2a34
19.73.42.53 0:0:0:0:0:ffff:1349:2a35
19.73.42.54 0:0:0:0:0:ffff:1349:2a36
19.73.42.55 0:0:0:0:0:ffff:1349:2a37
19.73.42.56 0:0:0:0:0:ffff:1349:2a38
19.73.42.57 0:0:0:0:0:ffff:1349:2a39
19.73.42.58 0:0:0:0:0:ffff:1349:2a3a
19.73.42.59 0:0:0:0:0:ffff:1349:2a3b
19.73.42.60 0:0:0:0:0:ffff:1349:2a3c


19.73.42.61 0:0:0:0:0:ffff:1349:2a3d
19.73.42.62 0:0:0:0:0:ffff:1349:2a3e
19.73.42.63 0:0:0:0:0:ffff:1349:2a3f
19.73.42.64 0:0:0:0:0:ffff:1349:2a40
19.73.42.65 0:0:0:0:0:ffff:1349:2a41
19.73.42.66 0:0:0:0:0:ffff:1349:2a42
19.73.42.67 0:0:0:0:0:ffff:1349:2a43
19.73.42.68 0:0:0:0:0:ffff:1349:2a44
19.73.42.69 0:0:0:0:0:ffff:1349:2a45
19.73.42.70 0:0:0:0:0:ffff:1349:2a46
19.73.42.71 0:0:0:0:0:ffff:1349:2a47
19.73.42.72 0:0:0:0:0:ffff:1349:2a48
19.73.42.73 0:0:0:0:0:ffff:1349:2a49
19.73.42.74 0:0:0:0:0:ffff:1349:2a4a
19.73.42.75 0:0:0:0:0:ffff:1349:2a4b
19.73.42.76 0:0:0:0:0:ffff:1349:2a4c
19.73.42.77 0:0:0:0:0:ffff:1349:2a4d
19.73.42.78 0:0:0:0:0:ffff:1349:2a4e
19.73.42.79 0:0:0:0:0:ffff:1349:2a4f
19.73.42.80 0:0:0:0:0:ffff:1349:2a50
19.73.42.81 0:0:0:0:0:ffff:1349:2a51
19.73.42.82 0:0:0:0:0:ffff:1349:2a52
19.73.42.83 0:0:0:0:0:ffff:1349:2a53
19.73.42.84 0:0:0:0:0:ffff:1349:2a54
19.73.42.85 0:0:0:0:0:ffff:1349:2a55
19.73.42.86 0:0:0:0:0:ffff:1349:2a56
19.73.42.87 0:0:0:0:0:ffff:1349:2a57
19.73.42.88 0:0:0:0:0:ffff:1349:2a58
19.73.42.89 0:0:0:0:0:ffff:1349:2a59
19.73.42.90 0:0:0:0:0:ffff:1349:2a5a
19.73.42.91 0:0:0:0:0:ffff:1349:2a5b
19.73.42.92 0:0:0:0:0:ffff:1349:2a5c
19.73.42.93 0:0:0:0:0:ffff:1349:2a5d
19.73.42.94 0:0:0:0:0:ffff:1349:2a5e
19.73.42.95 0:0:0:0:0:ffff:1349:2a5f
19.73.42.96 0:0:0:0:0:ffff:1349:2a60
19.73.42.97 0:0:0:0:0:ffff:1349:2a61
19.73.42.98 0:0:0:0:0:ffff:1349:2a62
19.73.42.99 0:0:0:0:0:ffff:1349:2a63
19.73.42.100 0:0:0:0:0:ffff:1349:2a64
19.73.42.101 0:0:0:0:0:ffff:1349:2a65
19.73.42.102 0:0:0:0:0:ffff:1349:2a66
19.73.42.103 0:0:0:0:0:ffff:1349:2a67
19.73.42.104 0:0:0:0:0:ffff:1349:2a68
19.73.42.105 0:0:0:0:0:ffff:1349:2a69
19.73.42.106 0:0:0:0:0:ffff:1349:2a6a
19.73.42.107 0:0:0:0:0:ffff:1349:2a6b
19.73.42.108 0:0:0:0:0:ffff:1349:2a6c
19.73.42.109 0:0:0:0:0:ffff:1349:2a6d
19.73.42.110 0:0:0:0:0:ffff:1349:2a6e
19.73.42.111 0:0:0:0:0:ffff:1349:2a6f
19.73.42.112 0:0:0:0:0:ffff:1349:2a70
19.73.42.113 0:0:0:0:0:ffff:1349:2a71
19.73.42.114 0:0:0:0:0:ffff:1349:2a72
19.73.42.115 0:0:0:0:0:ffff:1349:2a73
19.73.42.116 0:0:0:0:0:ffff:1349:2a74
19.73.42.117 0:0:0:0:0:ffff:1349:2a75
19.73.42.118 0:0:0:0:0:ffff:1349:2a76
19.73.42.119 0:0:0:0:0:ffff:1349:2a77
19.73.42.120 0:0:0:0:0:ffff:1349:2a78


19.73.42.121 0:0:0:0:0:ffff:1349:2a79
19.73.42.122 0:0:0:0:0:ffff:1349:2a7a
19.73.42.123 0:0:0:0:0:ffff:1349:2a7b
19.73.42.124 0:0:0:0:0:ffff:1349:2a7c
19.73.42.125 0:0:0:0:0:ffff:1349:2a7d
19.73.42.126 0:0:0:0:0:ffff:1349:2a7e
19.73.42.127 0:0:0:0:0:ffff:1349:2a7f
19.73.42.128 0:0:0:0:0:ffff:1349:2a80
19.73.42.129 0:0:0:0:0:ffff:1349:2a81
19.73.42.130 0:0:0:0:0:ffff:1349:2a82
19.73.42.131 0:0:0:0:0:ffff:1349:2a83
19.73.42.132 0:0:0:0:0:ffff:1349:2a84
19.73.42.133 0:0:0:0:0:ffff:1349:2a85
19.73.42.134 0:0:0:0:0:ffff:1349:2a86
19.73.42.135 0:0:0:0:0:ffff:1349:2a87
19.73.42.136 0:0:0:0:0:ffff:1349:2a88
19.73.42.137 0:0:0:0:0:ffff:1349:2a89
19.73.42.138 0:0:0:0:0:ffff:1349:2a8a
19.73.42.139 0:0:0:0:0:ffff:1349:2a8b
19.73.42.140 0:0:0:0:0:ffff:1349:2a8c
19.73.42.141 0:0:0:0:0:ffff:1349:2a8d
19.73.42.142 0:0:0:0:0:ffff:1349:2a8e
19.73.42.143 0:0:0:0:0:ffff:1349:2a8f
19.73.42.144 0:0:0:0:0:ffff:1349:2a90
19.73.42.145 0:0:0:0:0:ffff:1349:2a91
19.73.42.146 0:0:0:0:0:ffff:1349:2a92
19.73.42.147 0:0:0:0:0:ffff:1349:2a93
19.73.42.148 0:0:0:0:0:ffff:1349:2a94
19.73.42.149 0:0:0:0:0:ffff:1349:2a95
19.73.42.150 0:0:0:0:0:ffff:1349:2a96
19.73.42.151 0:0:0:0:0:ffff:1349:2a97
19.73.42.152 0:0:0:0:0:ffff:1349:2a98
19.73.42.153 0:0:0:0:0:ffff:1349:2a99
19.73.42.154 0:0:0:0:0:ffff:1349:2a9a
19.73.42.155 0:0:0:0:0:ffff:1349:2a9b
19.73.42.156 0:0:0:0:0:ffff:1349:2a9c
19.73.42.157 0:0:0:0:0:ffff:1349:2a9d
19.73.42.158 0:0:0:0:0:ffff:1349:2a9e
19.73.42.159 0:0:0:0:0:ffff:1349:2a9f
19.73.42.160 0:0:0:0:0:ffff:1349:2aa0
19.73.42.161 0:0:0:0:0:ffff:1349:2aa1
19.73.42.162 0:0:0:0:0:ffff:1349:2aa2
19.73.42.163 0:0:0:0:0:ffff:1349:2aa3
19.73.42.164 0:0:0:0:0:ffff:1349:2aa4
19.73.42.165 0:0:0:0:0:ffff:1349:2aa5
19.73.42.166 0:0:0:0:0:ffff:1349:2aa6
19.73.42.167 0:0:0:0:0:ffff:1349:2aa7
19.73.42.168 0:0:0:0:0:ffff:1349:2aa8
19.73.42.169 0:0:0:0:0:ffff:1349:2aa9
19.73.42.170 0:0:0:0:0:ffff:1349:2aaa
19.73.42.171 0:0:0:0:0:ffff:1349:2aab
19.73.42.172 0:0:0:0:0:ffff:1349:2aac
19.73.42.173 0:0:0:0:0:ffff:1349:2aad
19.73.42.174 0:0:0:0:0:ffff:1349:2aae
19.73.42.175 0:0:0:0:0:ffff:1349:2aaf
19.73.42.176 0:0:0:0:0:ffff:1349:2ab0
19.73.42.177 0:0:0:0:0:ffff:1349:2ab1
19.73.42.178 0:0:0:0:0:ffff:1349:2ab2
19.73.42.179 0:0:0:0:0:ffff:1349:2ab3
19.73.42.180 0:0:0:0:0:ffff:1349:2ab4


19.73.42.181 0:0:0:0:0:ffff:1349:2ab5
19.73.42.182 0:0:0:0:0:ffff:1349:2ab6
19.73.42.183 0:0:0:0:0:ffff:1349:2ab7
19.73.42.184 0:0:0:0:0:ffff:1349:2ab8
19.73.42.185 0:0:0:0:0:ffff:1349:2ab9
19.73.42.186 0:0:0:0:0:ffff:1349:2aba
19.73.42.187 0:0:0:0:0:ffff:1349:2abb
19.73.42.188 0:0:0:0:0:ffff:1349:2abc
19.73.42.189 0:0:0:0:0:ffff:1349:2abd
19.73.42.190 0:0:0:0:0:ffff:1349:2abe
19.73.42.191 0:0:0:0:0:ffff:1349:2abf
19.73.42.192 0:0:0:0:0:ffff:1349:2ac0
19.73.42.193 0:0:0:0:0:ffff:1349:2ac1
19.73.42.194 0:0:0:0:0:ffff:1349:2ac2
19.73.42.195 0:0:0:0:0:ffff:1349:2ac3
19.73.42.196 0:0:0:0:0:ffff:1349:2ac4
19.73.42.197 0:0:0:0:0:ffff:1349:2ac5
19.73.42.198 0:0:0:0:0:ffff:1349:2ac6
19.73.42.199 0:0:0:0:0:ffff:1349:2ac7
19.73.42.200 0:0:0:0:0:ffff:1349:2ac8
19.73.42.201 0:0:0:0:0:ffff:1349:2ac9
19.73.42.202 0:0:0:0:0:ffff:1349:2aca
19.73.42.203 0:0:0:0:0:ffff:1349:2acb
19.73.42.204 0:0:0:0:0:ffff:1349:2acc
19.73.42.205 0:0:0:0:0:ffff:1349:2acd
19.73.42.206 0:0:0:0:0:ffff:1349:2ace
19.73.42.207 0:0:0:0:0:ffff:1349:2acf
19.73.42.208 0:0:0:0:0:ffff:1349:2ad0
19.73.42.209 0:0:0:0:0:ffff:1349:2ad1
19.73.42.210 0:0:0:0:0:ffff:1349:2ad2
19.73.42.211 0:0:0:0:0:ffff:1349:2ad3
19.73.42.212 0:0:0:0:0:ffff:1349:2ad4
19.73.42.213 0:0:0:0:0:ffff:1349:2ad5
19.73.42.214 0:0:0:0:0:ffff:1349:2ad6
19.73.42.215 0:0:0:0:0:ffff:1349:2ad7
19.73.42.216 0:0:0:0:0:ffff:1349:2ad8
19.73.42.217 0:0:0:0:0:ffff:1349:2ad9
19.73.42.218 0:0:0:0:0:ffff:1349:2ada
19.73.42.219 0:0:0:0:0:ffff:1349:2adb
19.73.42.220 0:0:0:0:0:ffff:1349:2adc
19.73.42.221 0:0:0:0:0:ffff:1349:2add
19.73.42.222 0:0:0:0:0:ffff:1349:2ade
19.73.42.223 0:0:0:0:0:ffff:1349:2adf
19.73.42.224 0:0:0:0:0:ffff:1349:2ae0
19.73.42.225 0:0:0:0:0:ffff:1349:2ae1
19.73.42.226 0:0:0:0:0:ffff:1349:2ae2
19.73.42.227 0:0:0:0:0:ffff:1349:2ae3
19.73.42.228 0:0:0:0:0:ffff:1349:2ae4
19.73.42.229 0:0:0:0:0:ffff:1349:2ae5
19.73.42.230 0:0:0:0:0:ffff:1349:2ae6
19.73.42.231 0:0:0:0:0:ffff:1349:2ae7
19.73.42.232 0:0:0:0:0:ffff:1349:2ae8
19.73.42.233 0:0:0:0:0:ffff:1349:2ae9
19.73.42.234 0:0:0:0:0:ffff:1349:2aea
19.73.42.235 0:0:0:0:0:ffff:1349:2aeb
19.73.42.236 0:0:0:0:0:ffff:1349:2aec
19.73.42.237 0:0:0:0:0:ffff:1349:2aed
19.73.42.238 0:0:0:0:0:ffff:1349:2aee
19.73.42.239 0:0:0:0:0:ffff:1349:2aef
19.73.42.240 0:0:0:0:0:ffff:1349:2af0
19.73.42.241 0:0:0:0:0:ffff:1349:2af1
19.73.42.242 0:0:0:0:0:ffff:1349:2af2
19.73.42.243 0:0:0:0:0:ffff:1349:2af3
19.73.42.244 0:0:0:0:0:ffff:1349:2af4
19.73.42.245 0:0:0:0:0:ffff:1349:2af5
19.73.42.246 0:0:0:0:0:ffff:1349:2af6
19.73.42.247 0:0:0:0:0:ffff:1349:2af7
19.73.42.248 0:0:0:0:0:ffff:1349:2af8
19.73.42.249 0:0:0:0:0:ffff:1349:2af9
19.73.42.250 0:0:0:0:0:ffff:1349:2afa
19.73.42.251 0:0:0:0:0:ffff:1349:2afb
19.73.42.252 0:0:0:0:0:ffff:1349:2afc
19.73.42.253 0:0:0:0:0:ffff:1349:2afd
19.73.42.254 0:0:0:0:0:ffff:1349:2afe
19.73.42.255 0:0:0:0:0:ffff:1349:2aff


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.