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
157.187.154.1 0:0:0:0:0:ffff:9dbb:9a01
157.187.154.2 0:0:0:0:0:ffff:9dbb:9a02
157.187.154.3 0:0:0:0:0:ffff:9dbb:9a03
157.187.154.4 0:0:0:0:0:ffff:9dbb:9a04
157.187.154.5 0:0:0:0:0:ffff:9dbb:9a05
157.187.154.6 0:0:0:0:0:ffff:9dbb:9a06
157.187.154.7 0:0:0:0:0:ffff:9dbb:9a07
157.187.154.8 0:0:0:0:0:ffff:9dbb:9a08
157.187.154.9 0:0:0:0:0:ffff:9dbb:9a09
157.187.154.10 0:0:0:0:0:ffff:9dbb:9a0a
157.187.154.11 0:0:0:0:0:ffff:9dbb:9a0b
157.187.154.12 0:0:0:0:0:ffff:9dbb:9a0c
157.187.154.13 0:0:0:0:0:ffff:9dbb:9a0d
157.187.154.14 0:0:0:0:0:ffff:9dbb:9a0e
157.187.154.15 0:0:0:0:0:ffff:9dbb:9a0f
157.187.154.16 0:0:0:0:0:ffff:9dbb:9a10
157.187.154.17 0:0:0:0:0:ffff:9dbb:9a11
157.187.154.18 0:0:0:0:0:ffff:9dbb:9a12
157.187.154.19 0:0:0:0:0:ffff:9dbb:9a13
157.187.154.20 0:0:0:0:0:ffff:9dbb:9a14
157.187.154.21 0:0:0:0:0:ffff:9dbb:9a15
157.187.154.22 0:0:0:0:0:ffff:9dbb:9a16
157.187.154.23 0:0:0:0:0:ffff:9dbb:9a17
157.187.154.24 0:0:0:0:0:ffff:9dbb:9a18
157.187.154.25 0:0:0:0:0:ffff:9dbb:9a19
157.187.154.26 0:0:0:0:0:ffff:9dbb:9a1a
157.187.154.27 0:0:0:0:0:ffff:9dbb:9a1b
157.187.154.28 0:0:0:0:0:ffff:9dbb:9a1c
157.187.154.29 0:0:0:0:0:ffff:9dbb:9a1d
157.187.154.30 0:0:0:0:0:ffff:9dbb:9a1e
157.187.154.31 0:0:0:0:0:ffff:9dbb:9a1f
157.187.154.32 0:0:0:0:0:ffff:9dbb:9a20
157.187.154.33 0:0:0:0:0:ffff:9dbb:9a21
157.187.154.34 0:0:0:0:0:ffff:9dbb:9a22
157.187.154.35 0:0:0:0:0:ffff:9dbb:9a23
157.187.154.36 0:0:0:0:0:ffff:9dbb:9a24
157.187.154.37 0:0:0:0:0:ffff:9dbb:9a25
157.187.154.38 0:0:0:0:0:ffff:9dbb:9a26
157.187.154.39 0:0:0:0:0:ffff:9dbb:9a27
157.187.154.40 0:0:0:0:0:ffff:9dbb:9a28
157.187.154.41 0:0:0:0:0:ffff:9dbb:9a29
157.187.154.42 0:0:0:0:0:ffff:9dbb:9a2a
157.187.154.43 0:0:0:0:0:ffff:9dbb:9a2b
157.187.154.44 0:0:0:0:0:ffff:9dbb:9a2c
157.187.154.45 0:0:0:0:0:ffff:9dbb:9a2d
157.187.154.46 0:0:0:0:0:ffff:9dbb:9a2e
157.187.154.47 0:0:0:0:0:ffff:9dbb:9a2f
157.187.154.48 0:0:0:0:0:ffff:9dbb:9a30
157.187.154.49 0:0:0:0:0:ffff:9dbb:9a31
157.187.154.50 0:0:0:0:0:ffff:9dbb:9a32
157.187.154.51 0:0:0:0:0:ffff:9dbb:9a33
157.187.154.52 0:0:0:0:0:ffff:9dbb:9a34
157.187.154.53 0:0:0:0:0:ffff:9dbb:9a35
157.187.154.54 0:0:0:0:0:ffff:9dbb:9a36
157.187.154.55 0:0:0:0:0:ffff:9dbb:9a37
157.187.154.56 0:0:0:0:0:ffff:9dbb:9a38
157.187.154.57 0:0:0:0:0:ffff:9dbb:9a39
157.187.154.58 0:0:0:0:0:ffff:9dbb:9a3a
157.187.154.59 0:0:0:0:0:ffff:9dbb:9a3b
157.187.154.60 0:0:0:0:0:ffff:9dbb:9a3c


157.187.154.61 0:0:0:0:0:ffff:9dbb:9a3d
157.187.154.62 0:0:0:0:0:ffff:9dbb:9a3e
157.187.154.63 0:0:0:0:0:ffff:9dbb:9a3f
157.187.154.64 0:0:0:0:0:ffff:9dbb:9a40
157.187.154.65 0:0:0:0:0:ffff:9dbb:9a41
157.187.154.66 0:0:0:0:0:ffff:9dbb:9a42
157.187.154.67 0:0:0:0:0:ffff:9dbb:9a43
157.187.154.68 0:0:0:0:0:ffff:9dbb:9a44
157.187.154.69 0:0:0:0:0:ffff:9dbb:9a45
157.187.154.70 0:0:0:0:0:ffff:9dbb:9a46
157.187.154.71 0:0:0:0:0:ffff:9dbb:9a47
157.187.154.72 0:0:0:0:0:ffff:9dbb:9a48
157.187.154.73 0:0:0:0:0:ffff:9dbb:9a49
157.187.154.74 0:0:0:0:0:ffff:9dbb:9a4a
157.187.154.75 0:0:0:0:0:ffff:9dbb:9a4b
157.187.154.76 0:0:0:0:0:ffff:9dbb:9a4c
157.187.154.77 0:0:0:0:0:ffff:9dbb:9a4d
157.187.154.78 0:0:0:0:0:ffff:9dbb:9a4e
157.187.154.79 0:0:0:0:0:ffff:9dbb:9a4f
157.187.154.80 0:0:0:0:0:ffff:9dbb:9a50
157.187.154.81 0:0:0:0:0:ffff:9dbb:9a51
157.187.154.82 0:0:0:0:0:ffff:9dbb:9a52
157.187.154.83 0:0:0:0:0:ffff:9dbb:9a53
157.187.154.84 0:0:0:0:0:ffff:9dbb:9a54
157.187.154.85 0:0:0:0:0:ffff:9dbb:9a55
157.187.154.86 0:0:0:0:0:ffff:9dbb:9a56
157.187.154.87 0:0:0:0:0:ffff:9dbb:9a57
157.187.154.88 0:0:0:0:0:ffff:9dbb:9a58
157.187.154.89 0:0:0:0:0:ffff:9dbb:9a59
157.187.154.90 0:0:0:0:0:ffff:9dbb:9a5a
157.187.154.91 0:0:0:0:0:ffff:9dbb:9a5b
157.187.154.92 0:0:0:0:0:ffff:9dbb:9a5c
157.187.154.93 0:0:0:0:0:ffff:9dbb:9a5d
157.187.154.94 0:0:0:0:0:ffff:9dbb:9a5e
157.187.154.95 0:0:0:0:0:ffff:9dbb:9a5f
157.187.154.96 0:0:0:0:0:ffff:9dbb:9a60
157.187.154.97 0:0:0:0:0:ffff:9dbb:9a61
157.187.154.98 0:0:0:0:0:ffff:9dbb:9a62
157.187.154.99 0:0:0:0:0:ffff:9dbb:9a63
157.187.154.100 0:0:0:0:0:ffff:9dbb:9a64
157.187.154.101 0:0:0:0:0:ffff:9dbb:9a65
157.187.154.102 0:0:0:0:0:ffff:9dbb:9a66
157.187.154.103 0:0:0:0:0:ffff:9dbb:9a67
157.187.154.104 0:0:0:0:0:ffff:9dbb:9a68
157.187.154.105 0:0:0:0:0:ffff:9dbb:9a69
157.187.154.106 0:0:0:0:0:ffff:9dbb:9a6a
157.187.154.107 0:0:0:0:0:ffff:9dbb:9a6b
157.187.154.108 0:0:0:0:0:ffff:9dbb:9a6c
157.187.154.109 0:0:0:0:0:ffff:9dbb:9a6d
157.187.154.110 0:0:0:0:0:ffff:9dbb:9a6e
157.187.154.111 0:0:0:0:0:ffff:9dbb:9a6f
157.187.154.112 0:0:0:0:0:ffff:9dbb:9a70
157.187.154.113 0:0:0:0:0:ffff:9dbb:9a71
157.187.154.114 0:0:0:0:0:ffff:9dbb:9a72
157.187.154.115 0:0:0:0:0:ffff:9dbb:9a73
157.187.154.116 0:0:0:0:0:ffff:9dbb:9a74
157.187.154.117 0:0:0:0:0:ffff:9dbb:9a75
157.187.154.118 0:0:0:0:0:ffff:9dbb:9a76
157.187.154.119 0:0:0:0:0:ffff:9dbb:9a77
157.187.154.120 0:0:0:0:0:ffff:9dbb:9a78


157.187.154.121 0:0:0:0:0:ffff:9dbb:9a79
157.187.154.122 0:0:0:0:0:ffff:9dbb:9a7a
157.187.154.123 0:0:0:0:0:ffff:9dbb:9a7b
157.187.154.124 0:0:0:0:0:ffff:9dbb:9a7c
157.187.154.125 0:0:0:0:0:ffff:9dbb:9a7d
157.187.154.126 0:0:0:0:0:ffff:9dbb:9a7e
157.187.154.127 0:0:0:0:0:ffff:9dbb:9a7f
157.187.154.128 0:0:0:0:0:ffff:9dbb:9a80
157.187.154.129 0:0:0:0:0:ffff:9dbb:9a81
157.187.154.130 0:0:0:0:0:ffff:9dbb:9a82
157.187.154.131 0:0:0:0:0:ffff:9dbb:9a83
157.187.154.132 0:0:0:0:0:ffff:9dbb:9a84
157.187.154.133 0:0:0:0:0:ffff:9dbb:9a85
157.187.154.134 0:0:0:0:0:ffff:9dbb:9a86
157.187.154.135 0:0:0:0:0:ffff:9dbb:9a87
157.187.154.136 0:0:0:0:0:ffff:9dbb:9a88
157.187.154.137 0:0:0:0:0:ffff:9dbb:9a89
157.187.154.138 0:0:0:0:0:ffff:9dbb:9a8a
157.187.154.139 0:0:0:0:0:ffff:9dbb:9a8b
157.187.154.140 0:0:0:0:0:ffff:9dbb:9a8c
157.187.154.141 0:0:0:0:0:ffff:9dbb:9a8d
157.187.154.142 0:0:0:0:0:ffff:9dbb:9a8e
157.187.154.143 0:0:0:0:0:ffff:9dbb:9a8f
157.187.154.144 0:0:0:0:0:ffff:9dbb:9a90
157.187.154.145 0:0:0:0:0:ffff:9dbb:9a91
157.187.154.146 0:0:0:0:0:ffff:9dbb:9a92
157.187.154.147 0:0:0:0:0:ffff:9dbb:9a93
157.187.154.148 0:0:0:0:0:ffff:9dbb:9a94
157.187.154.149 0:0:0:0:0:ffff:9dbb:9a95
157.187.154.150 0:0:0:0:0:ffff:9dbb:9a96
157.187.154.151 0:0:0:0:0:ffff:9dbb:9a97
157.187.154.152 0:0:0:0:0:ffff:9dbb:9a98
157.187.154.153 0:0:0:0:0:ffff:9dbb:9a99
157.187.154.154 0:0:0:0:0:ffff:9dbb:9a9a
157.187.154.155 0:0:0:0:0:ffff:9dbb:9a9b
157.187.154.156 0:0:0:0:0:ffff:9dbb:9a9c
157.187.154.157 0:0:0:0:0:ffff:9dbb:9a9d
157.187.154.158 0:0:0:0:0:ffff:9dbb:9a9e
157.187.154.159 0:0:0:0:0:ffff:9dbb:9a9f
157.187.154.160 0:0:0:0:0:ffff:9dbb:9aa0
157.187.154.161 0:0:0:0:0:ffff:9dbb:9aa1
157.187.154.162 0:0:0:0:0:ffff:9dbb:9aa2
157.187.154.163 0:0:0:0:0:ffff:9dbb:9aa3
157.187.154.164 0:0:0:0:0:ffff:9dbb:9aa4
157.187.154.165 0:0:0:0:0:ffff:9dbb:9aa5
157.187.154.166 0:0:0:0:0:ffff:9dbb:9aa6
157.187.154.167 0:0:0:0:0:ffff:9dbb:9aa7
157.187.154.168 0:0:0:0:0:ffff:9dbb:9aa8
157.187.154.169 0:0:0:0:0:ffff:9dbb:9aa9
157.187.154.170 0:0:0:0:0:ffff:9dbb:9aaa
157.187.154.171 0:0:0:0:0:ffff:9dbb:9aab
157.187.154.172 0:0:0:0:0:ffff:9dbb:9aac
157.187.154.173 0:0:0:0:0:ffff:9dbb:9aad
157.187.154.174 0:0:0:0:0:ffff:9dbb:9aae
157.187.154.175 0:0:0:0:0:ffff:9dbb:9aaf
157.187.154.176 0:0:0:0:0:ffff:9dbb:9ab0
157.187.154.177 0:0:0:0:0:ffff:9dbb:9ab1
157.187.154.178 0:0:0:0:0:ffff:9dbb:9ab2
157.187.154.179 0:0:0:0:0:ffff:9dbb:9ab3
157.187.154.180 0:0:0:0:0:ffff:9dbb:9ab4


157.187.154.181 0:0:0:0:0:ffff:9dbb:9ab5
157.187.154.182 0:0:0:0:0:ffff:9dbb:9ab6
157.187.154.183 0:0:0:0:0:ffff:9dbb:9ab7
157.187.154.184 0:0:0:0:0:ffff:9dbb:9ab8
157.187.154.185 0:0:0:0:0:ffff:9dbb:9ab9
157.187.154.186 0:0:0:0:0:ffff:9dbb:9aba
157.187.154.187 0:0:0:0:0:ffff:9dbb:9abb
157.187.154.188 0:0:0:0:0:ffff:9dbb:9abc
157.187.154.189 0:0:0:0:0:ffff:9dbb:9abd
157.187.154.190 0:0:0:0:0:ffff:9dbb:9abe
157.187.154.191 0:0:0:0:0:ffff:9dbb:9abf
157.187.154.192 0:0:0:0:0:ffff:9dbb:9ac0
157.187.154.193 0:0:0:0:0:ffff:9dbb:9ac1
157.187.154.194 0:0:0:0:0:ffff:9dbb:9ac2
157.187.154.195 0:0:0:0:0:ffff:9dbb:9ac3
157.187.154.196 0:0:0:0:0:ffff:9dbb:9ac4
157.187.154.197 0:0:0:0:0:ffff:9dbb:9ac5
157.187.154.198 0:0:0:0:0:ffff:9dbb:9ac6
157.187.154.199 0:0:0:0:0:ffff:9dbb:9ac7
157.187.154.200 0:0:0:0:0:ffff:9dbb:9ac8
157.187.154.201 0:0:0:0:0:ffff:9dbb:9ac9
157.187.154.202 0:0:0:0:0:ffff:9dbb:9aca
157.187.154.203 0:0:0:0:0:ffff:9dbb:9acb
157.187.154.204 0:0:0:0:0:ffff:9dbb:9acc
157.187.154.205 0:0:0:0:0:ffff:9dbb:9acd
157.187.154.206 0:0:0:0:0:ffff:9dbb:9ace
157.187.154.207 0:0:0:0:0:ffff:9dbb:9acf
157.187.154.208 0:0:0:0:0:ffff:9dbb:9ad0
157.187.154.209 0:0:0:0:0:ffff:9dbb:9ad1
157.187.154.210 0:0:0:0:0:ffff:9dbb:9ad2
157.187.154.211 0:0:0:0:0:ffff:9dbb:9ad3
157.187.154.212 0:0:0:0:0:ffff:9dbb:9ad4
157.187.154.213 0:0:0:0:0:ffff:9dbb:9ad5
157.187.154.214 0:0:0:0:0:ffff:9dbb:9ad6
157.187.154.215 0:0:0:0:0:ffff:9dbb:9ad7
157.187.154.216 0:0:0:0:0:ffff:9dbb:9ad8
157.187.154.217 0:0:0:0:0:ffff:9dbb:9ad9
157.187.154.218 0:0:0:0:0:ffff:9dbb:9ada
157.187.154.219 0:0:0:0:0:ffff:9dbb:9adb
157.187.154.220 0:0:0:0:0:ffff:9dbb:9adc
157.187.154.221 0:0:0:0:0:ffff:9dbb:9add
157.187.154.222 0:0:0:0:0:ffff:9dbb:9ade
157.187.154.223 0:0:0:0:0:ffff:9dbb:9adf
157.187.154.224 0:0:0:0:0:ffff:9dbb:9ae0
157.187.154.225 0:0:0:0:0:ffff:9dbb:9ae1
157.187.154.226 0:0:0:0:0:ffff:9dbb:9ae2
157.187.154.227 0:0:0:0:0:ffff:9dbb:9ae3
157.187.154.228 0:0:0:0:0:ffff:9dbb:9ae4
157.187.154.229 0:0:0:0:0:ffff:9dbb:9ae5
157.187.154.230 0:0:0:0:0:ffff:9dbb:9ae6
157.187.154.231 0:0:0:0:0:ffff:9dbb:9ae7
157.187.154.232 0:0:0:0:0:ffff:9dbb:9ae8
157.187.154.233 0:0:0:0:0:ffff:9dbb:9ae9
157.187.154.234 0:0:0:0:0:ffff:9dbb:9aea
157.187.154.235 0:0:0:0:0:ffff:9dbb:9aeb
157.187.154.236 0:0:0:0:0:ffff:9dbb:9aec
157.187.154.237 0:0:0:0:0:ffff:9dbb:9aed
157.187.154.238 0:0:0:0:0:ffff:9dbb:9aee
157.187.154.239 0:0:0:0:0:ffff:9dbb:9aef
157.187.154.240 0:0:0:0:0:ffff:9dbb:9af0
157.187.154.241 0:0:0:0:0:ffff:9dbb:9af1
157.187.154.242 0:0:0:0:0:ffff:9dbb:9af2
157.187.154.243 0:0:0:0:0:ffff:9dbb:9af3
157.187.154.244 0:0:0:0:0:ffff:9dbb:9af4
157.187.154.245 0:0:0:0:0:ffff:9dbb:9af5
157.187.154.246 0:0:0:0:0:ffff:9dbb:9af6
157.187.154.247 0:0:0:0:0:ffff:9dbb:9af7
157.187.154.248 0:0:0:0:0:ffff:9dbb:9af8
157.187.154.249 0:0:0:0:0:ffff:9dbb:9af9
157.187.154.250 0:0:0:0:0:ffff:9dbb:9afa
157.187.154.251 0:0:0:0:0:ffff:9dbb:9afb
157.187.154.252 0:0:0:0:0:ffff:9dbb:9afc
157.187.154.253 0:0:0:0:0:ffff:9dbb:9afd
157.187.154.254 0:0:0:0:0:ffff:9dbb:9afe
157.187.154.255 0:0:0:0:0:ffff:9dbb:9aff


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.