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
157.187.253.1 0:0:0:0:0:ffff:9dbb:fd01
157.187.253.2 0:0:0:0:0:ffff:9dbb:fd02
157.187.253.3 0:0:0:0:0:ffff:9dbb:fd03
157.187.253.4 0:0:0:0:0:ffff:9dbb:fd04
157.187.253.5 0:0:0:0:0:ffff:9dbb:fd05
157.187.253.6 0:0:0:0:0:ffff:9dbb:fd06
157.187.253.7 0:0:0:0:0:ffff:9dbb:fd07
157.187.253.8 0:0:0:0:0:ffff:9dbb:fd08
157.187.253.9 0:0:0:0:0:ffff:9dbb:fd09
157.187.253.10 0:0:0:0:0:ffff:9dbb:fd0a
157.187.253.11 0:0:0:0:0:ffff:9dbb:fd0b
157.187.253.12 0:0:0:0:0:ffff:9dbb:fd0c
157.187.253.13 0:0:0:0:0:ffff:9dbb:fd0d
157.187.253.14 0:0:0:0:0:ffff:9dbb:fd0e
157.187.253.15 0:0:0:0:0:ffff:9dbb:fd0f
157.187.253.16 0:0:0:0:0:ffff:9dbb:fd10
157.187.253.17 0:0:0:0:0:ffff:9dbb:fd11
157.187.253.18 0:0:0:0:0:ffff:9dbb:fd12
157.187.253.19 0:0:0:0:0:ffff:9dbb:fd13
157.187.253.20 0:0:0:0:0:ffff:9dbb:fd14
157.187.253.21 0:0:0:0:0:ffff:9dbb:fd15
157.187.253.22 0:0:0:0:0:ffff:9dbb:fd16
157.187.253.23 0:0:0:0:0:ffff:9dbb:fd17
157.187.253.24 0:0:0:0:0:ffff:9dbb:fd18
157.187.253.25 0:0:0:0:0:ffff:9dbb:fd19
157.187.253.26 0:0:0:0:0:ffff:9dbb:fd1a
157.187.253.27 0:0:0:0:0:ffff:9dbb:fd1b
157.187.253.28 0:0:0:0:0:ffff:9dbb:fd1c
157.187.253.29 0:0:0:0:0:ffff:9dbb:fd1d
157.187.253.30 0:0:0:0:0:ffff:9dbb:fd1e
157.187.253.31 0:0:0:0:0:ffff:9dbb:fd1f
157.187.253.32 0:0:0:0:0:ffff:9dbb:fd20
157.187.253.33 0:0:0:0:0:ffff:9dbb:fd21
157.187.253.34 0:0:0:0:0:ffff:9dbb:fd22
157.187.253.35 0:0:0:0:0:ffff:9dbb:fd23
157.187.253.36 0:0:0:0:0:ffff:9dbb:fd24
157.187.253.37 0:0:0:0:0:ffff:9dbb:fd25
157.187.253.38 0:0:0:0:0:ffff:9dbb:fd26
157.187.253.39 0:0:0:0:0:ffff:9dbb:fd27
157.187.253.40 0:0:0:0:0:ffff:9dbb:fd28
157.187.253.41 0:0:0:0:0:ffff:9dbb:fd29
157.187.253.42 0:0:0:0:0:ffff:9dbb:fd2a
157.187.253.43 0:0:0:0:0:ffff:9dbb:fd2b
157.187.253.44 0:0:0:0:0:ffff:9dbb:fd2c
157.187.253.45 0:0:0:0:0:ffff:9dbb:fd2d
157.187.253.46 0:0:0:0:0:ffff:9dbb:fd2e
157.187.253.47 0:0:0:0:0:ffff:9dbb:fd2f
157.187.253.48 0:0:0:0:0:ffff:9dbb:fd30
157.187.253.49 0:0:0:0:0:ffff:9dbb:fd31
157.187.253.50 0:0:0:0:0:ffff:9dbb:fd32
157.187.253.51 0:0:0:0:0:ffff:9dbb:fd33
157.187.253.52 0:0:0:0:0:ffff:9dbb:fd34
157.187.253.53 0:0:0:0:0:ffff:9dbb:fd35
157.187.253.54 0:0:0:0:0:ffff:9dbb:fd36
157.187.253.55 0:0:0:0:0:ffff:9dbb:fd37
157.187.253.56 0:0:0:0:0:ffff:9dbb:fd38
157.187.253.57 0:0:0:0:0:ffff:9dbb:fd39
157.187.253.58 0:0:0:0:0:ffff:9dbb:fd3a
157.187.253.59 0:0:0:0:0:ffff:9dbb:fd3b
157.187.253.60 0:0:0:0:0:ffff:9dbb:fd3c


157.187.253.61 0:0:0:0:0:ffff:9dbb:fd3d
157.187.253.62 0:0:0:0:0:ffff:9dbb:fd3e
157.187.253.63 0:0:0:0:0:ffff:9dbb:fd3f
157.187.253.64 0:0:0:0:0:ffff:9dbb:fd40
157.187.253.65 0:0:0:0:0:ffff:9dbb:fd41
157.187.253.66 0:0:0:0:0:ffff:9dbb:fd42
157.187.253.67 0:0:0:0:0:ffff:9dbb:fd43
157.187.253.68 0:0:0:0:0:ffff:9dbb:fd44
157.187.253.69 0:0:0:0:0:ffff:9dbb:fd45
157.187.253.70 0:0:0:0:0:ffff:9dbb:fd46
157.187.253.71 0:0:0:0:0:ffff:9dbb:fd47
157.187.253.72 0:0:0:0:0:ffff:9dbb:fd48
157.187.253.73 0:0:0:0:0:ffff:9dbb:fd49
157.187.253.74 0:0:0:0:0:ffff:9dbb:fd4a
157.187.253.75 0:0:0:0:0:ffff:9dbb:fd4b
157.187.253.76 0:0:0:0:0:ffff:9dbb:fd4c
157.187.253.77 0:0:0:0:0:ffff:9dbb:fd4d
157.187.253.78 0:0:0:0:0:ffff:9dbb:fd4e
157.187.253.79 0:0:0:0:0:ffff:9dbb:fd4f
157.187.253.80 0:0:0:0:0:ffff:9dbb:fd50
157.187.253.81 0:0:0:0:0:ffff:9dbb:fd51
157.187.253.82 0:0:0:0:0:ffff:9dbb:fd52
157.187.253.83 0:0:0:0:0:ffff:9dbb:fd53
157.187.253.84 0:0:0:0:0:ffff:9dbb:fd54
157.187.253.85 0:0:0:0:0:ffff:9dbb:fd55
157.187.253.86 0:0:0:0:0:ffff:9dbb:fd56
157.187.253.87 0:0:0:0:0:ffff:9dbb:fd57
157.187.253.88 0:0:0:0:0:ffff:9dbb:fd58
157.187.253.89 0:0:0:0:0:ffff:9dbb:fd59
157.187.253.90 0:0:0:0:0:ffff:9dbb:fd5a
157.187.253.91 0:0:0:0:0:ffff:9dbb:fd5b
157.187.253.92 0:0:0:0:0:ffff:9dbb:fd5c
157.187.253.93 0:0:0:0:0:ffff:9dbb:fd5d
157.187.253.94 0:0:0:0:0:ffff:9dbb:fd5e
157.187.253.95 0:0:0:0:0:ffff:9dbb:fd5f
157.187.253.96 0:0:0:0:0:ffff:9dbb:fd60
157.187.253.97 0:0:0:0:0:ffff:9dbb:fd61
157.187.253.98 0:0:0:0:0:ffff:9dbb:fd62
157.187.253.99 0:0:0:0:0:ffff:9dbb:fd63
157.187.253.100 0:0:0:0:0:ffff:9dbb:fd64
157.187.253.101 0:0:0:0:0:ffff:9dbb:fd65
157.187.253.102 0:0:0:0:0:ffff:9dbb:fd66
157.187.253.103 0:0:0:0:0:ffff:9dbb:fd67
157.187.253.104 0:0:0:0:0:ffff:9dbb:fd68
157.187.253.105 0:0:0:0:0:ffff:9dbb:fd69
157.187.253.106 0:0:0:0:0:ffff:9dbb:fd6a
157.187.253.107 0:0:0:0:0:ffff:9dbb:fd6b
157.187.253.108 0:0:0:0:0:ffff:9dbb:fd6c
157.187.253.109 0:0:0:0:0:ffff:9dbb:fd6d
157.187.253.110 0:0:0:0:0:ffff:9dbb:fd6e
157.187.253.111 0:0:0:0:0:ffff:9dbb:fd6f
157.187.253.112 0:0:0:0:0:ffff:9dbb:fd70
157.187.253.113 0:0:0:0:0:ffff:9dbb:fd71
157.187.253.114 0:0:0:0:0:ffff:9dbb:fd72
157.187.253.115 0:0:0:0:0:ffff:9dbb:fd73
157.187.253.116 0:0:0:0:0:ffff:9dbb:fd74
157.187.253.117 0:0:0:0:0:ffff:9dbb:fd75
157.187.253.118 0:0:0:0:0:ffff:9dbb:fd76
157.187.253.119 0:0:0:0:0:ffff:9dbb:fd77
157.187.253.120 0:0:0:0:0:ffff:9dbb:fd78


157.187.253.121 0:0:0:0:0:ffff:9dbb:fd79
157.187.253.122 0:0:0:0:0:ffff:9dbb:fd7a
157.187.253.123 0:0:0:0:0:ffff:9dbb:fd7b
157.187.253.124 0:0:0:0:0:ffff:9dbb:fd7c
157.187.253.125 0:0:0:0:0:ffff:9dbb:fd7d
157.187.253.126 0:0:0:0:0:ffff:9dbb:fd7e
157.187.253.127 0:0:0:0:0:ffff:9dbb:fd7f
157.187.253.128 0:0:0:0:0:ffff:9dbb:fd80
157.187.253.129 0:0:0:0:0:ffff:9dbb:fd81
157.187.253.130 0:0:0:0:0:ffff:9dbb:fd82
157.187.253.131 0:0:0:0:0:ffff:9dbb:fd83
157.187.253.132 0:0:0:0:0:ffff:9dbb:fd84
157.187.253.133 0:0:0:0:0:ffff:9dbb:fd85
157.187.253.134 0:0:0:0:0:ffff:9dbb:fd86
157.187.253.135 0:0:0:0:0:ffff:9dbb:fd87
157.187.253.136 0:0:0:0:0:ffff:9dbb:fd88
157.187.253.137 0:0:0:0:0:ffff:9dbb:fd89
157.187.253.138 0:0:0:0:0:ffff:9dbb:fd8a
157.187.253.139 0:0:0:0:0:ffff:9dbb:fd8b
157.187.253.140 0:0:0:0:0:ffff:9dbb:fd8c
157.187.253.141 0:0:0:0:0:ffff:9dbb:fd8d
157.187.253.142 0:0:0:0:0:ffff:9dbb:fd8e
157.187.253.143 0:0:0:0:0:ffff:9dbb:fd8f
157.187.253.144 0:0:0:0:0:ffff:9dbb:fd90
157.187.253.145 0:0:0:0:0:ffff:9dbb:fd91
157.187.253.146 0:0:0:0:0:ffff:9dbb:fd92
157.187.253.147 0:0:0:0:0:ffff:9dbb:fd93
157.187.253.148 0:0:0:0:0:ffff:9dbb:fd94
157.187.253.149 0:0:0:0:0:ffff:9dbb:fd95
157.187.253.150 0:0:0:0:0:ffff:9dbb:fd96
157.187.253.151 0:0:0:0:0:ffff:9dbb:fd97
157.187.253.152 0:0:0:0:0:ffff:9dbb:fd98
157.187.253.153 0:0:0:0:0:ffff:9dbb:fd99
157.187.253.154 0:0:0:0:0:ffff:9dbb:fd9a
157.187.253.155 0:0:0:0:0:ffff:9dbb:fd9b
157.187.253.156 0:0:0:0:0:ffff:9dbb:fd9c
157.187.253.157 0:0:0:0:0:ffff:9dbb:fd9d
157.187.253.158 0:0:0:0:0:ffff:9dbb:fd9e
157.187.253.159 0:0:0:0:0:ffff:9dbb:fd9f
157.187.253.160 0:0:0:0:0:ffff:9dbb:fda0
157.187.253.161 0:0:0:0:0:ffff:9dbb:fda1
157.187.253.162 0:0:0:0:0:ffff:9dbb:fda2
157.187.253.163 0:0:0:0:0:ffff:9dbb:fda3
157.187.253.164 0:0:0:0:0:ffff:9dbb:fda4
157.187.253.165 0:0:0:0:0:ffff:9dbb:fda5
157.187.253.166 0:0:0:0:0:ffff:9dbb:fda6
157.187.253.167 0:0:0:0:0:ffff:9dbb:fda7
157.187.253.168 0:0:0:0:0:ffff:9dbb:fda8
157.187.253.169 0:0:0:0:0:ffff:9dbb:fda9
157.187.253.170 0:0:0:0:0:ffff:9dbb:fdaa
157.187.253.171 0:0:0:0:0:ffff:9dbb:fdab
157.187.253.172 0:0:0:0:0:ffff:9dbb:fdac
157.187.253.173 0:0:0:0:0:ffff:9dbb:fdad
157.187.253.174 0:0:0:0:0:ffff:9dbb:fdae
157.187.253.175 0:0:0:0:0:ffff:9dbb:fdaf
157.187.253.176 0:0:0:0:0:ffff:9dbb:fdb0
157.187.253.177 0:0:0:0:0:ffff:9dbb:fdb1
157.187.253.178 0:0:0:0:0:ffff:9dbb:fdb2
157.187.253.179 0:0:0:0:0:ffff:9dbb:fdb3
157.187.253.180 0:0:0:0:0:ffff:9dbb:fdb4


157.187.253.181 0:0:0:0:0:ffff:9dbb:fdb5
157.187.253.182 0:0:0:0:0:ffff:9dbb:fdb6
157.187.253.183 0:0:0:0:0:ffff:9dbb:fdb7
157.187.253.184 0:0:0:0:0:ffff:9dbb:fdb8
157.187.253.185 0:0:0:0:0:ffff:9dbb:fdb9
157.187.253.186 0:0:0:0:0:ffff:9dbb:fdba
157.187.253.187 0:0:0:0:0:ffff:9dbb:fdbb
157.187.253.188 0:0:0:0:0:ffff:9dbb:fdbc
157.187.253.189 0:0:0:0:0:ffff:9dbb:fdbd
157.187.253.190 0:0:0:0:0:ffff:9dbb:fdbe
157.187.253.191 0:0:0:0:0:ffff:9dbb:fdbf
157.187.253.192 0:0:0:0:0:ffff:9dbb:fdc0
157.187.253.193 0:0:0:0:0:ffff:9dbb:fdc1
157.187.253.194 0:0:0:0:0:ffff:9dbb:fdc2
157.187.253.195 0:0:0:0:0:ffff:9dbb:fdc3
157.187.253.196 0:0:0:0:0:ffff:9dbb:fdc4
157.187.253.197 0:0:0:0:0:ffff:9dbb:fdc5
157.187.253.198 0:0:0:0:0:ffff:9dbb:fdc6
157.187.253.199 0:0:0:0:0:ffff:9dbb:fdc7
157.187.253.200 0:0:0:0:0:ffff:9dbb:fdc8
157.187.253.201 0:0:0:0:0:ffff:9dbb:fdc9
157.187.253.202 0:0:0:0:0:ffff:9dbb:fdca
157.187.253.203 0:0:0:0:0:ffff:9dbb:fdcb
157.187.253.204 0:0:0:0:0:ffff:9dbb:fdcc
157.187.253.205 0:0:0:0:0:ffff:9dbb:fdcd
157.187.253.206 0:0:0:0:0:ffff:9dbb:fdce
157.187.253.207 0:0:0:0:0:ffff:9dbb:fdcf
157.187.253.208 0:0:0:0:0:ffff:9dbb:fdd0
157.187.253.209 0:0:0:0:0:ffff:9dbb:fdd1
157.187.253.210 0:0:0:0:0:ffff:9dbb:fdd2
157.187.253.211 0:0:0:0:0:ffff:9dbb:fdd3
157.187.253.212 0:0:0:0:0:ffff:9dbb:fdd4
157.187.253.213 0:0:0:0:0:ffff:9dbb:fdd5
157.187.253.214 0:0:0:0:0:ffff:9dbb:fdd6
157.187.253.215 0:0:0:0:0:ffff:9dbb:fdd7
157.187.253.216 0:0:0:0:0:ffff:9dbb:fdd8
157.187.253.217 0:0:0:0:0:ffff:9dbb:fdd9
157.187.253.218 0:0:0:0:0:ffff:9dbb:fdda
157.187.253.219 0:0:0:0:0:ffff:9dbb:fddb
157.187.253.220 0:0:0:0:0:ffff:9dbb:fddc
157.187.253.221 0:0:0:0:0:ffff:9dbb:fddd
157.187.253.222 0:0:0:0:0:ffff:9dbb:fdde
157.187.253.223 0:0:0:0:0:ffff:9dbb:fddf
157.187.253.224 0:0:0:0:0:ffff:9dbb:fde0
157.187.253.225 0:0:0:0:0:ffff:9dbb:fde1
157.187.253.226 0:0:0:0:0:ffff:9dbb:fde2
157.187.253.227 0:0:0:0:0:ffff:9dbb:fde3
157.187.253.228 0:0:0:0:0:ffff:9dbb:fde4
157.187.253.229 0:0:0:0:0:ffff:9dbb:fde5
157.187.253.230 0:0:0:0:0:ffff:9dbb:fde6
157.187.253.231 0:0:0:0:0:ffff:9dbb:fde7
157.187.253.232 0:0:0:0:0:ffff:9dbb:fde8
157.187.253.233 0:0:0:0:0:ffff:9dbb:fde9
157.187.253.234 0:0:0:0:0:ffff:9dbb:fdea
157.187.253.235 0:0:0:0:0:ffff:9dbb:fdeb
157.187.253.236 0:0:0:0:0:ffff:9dbb:fdec
157.187.253.237 0:0:0:0:0:ffff:9dbb:fded
157.187.253.238 0:0:0:0:0:ffff:9dbb:fdee
157.187.253.239 0:0:0:0:0:ffff:9dbb:fdef
157.187.253.240 0:0:0:0:0:ffff:9dbb:fdf0
157.187.253.241 0:0:0:0:0:ffff:9dbb:fdf1
157.187.253.242 0:0:0:0:0:ffff:9dbb:fdf2
157.187.253.243 0:0:0:0:0:ffff:9dbb:fdf3
157.187.253.244 0:0:0:0:0:ffff:9dbb:fdf4
157.187.253.245 0:0:0:0:0:ffff:9dbb:fdf5
157.187.253.246 0:0:0:0:0:ffff:9dbb:fdf6
157.187.253.247 0:0:0:0:0:ffff:9dbb:fdf7
157.187.253.248 0:0:0:0:0:ffff:9dbb:fdf8
157.187.253.249 0:0:0:0:0:ffff:9dbb:fdf9
157.187.253.250 0:0:0:0:0:ffff:9dbb:fdfa
157.187.253.251 0:0:0:0:0:ffff:9dbb:fdfb
157.187.253.252 0:0:0:0:0:ffff:9dbb:fdfc
157.187.253.253 0:0:0:0:0:ffff:9dbb:fdfd
157.187.253.254 0:0:0:0:0:ffff:9dbb:fdfe
157.187.253.255 0:0:0:0:0:ffff:9dbb:fdff


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.