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
143.243.191.1 0:0:0:0:0:ffff:8ff3:bf01
143.243.191.2 0:0:0:0:0:ffff:8ff3:bf02
143.243.191.3 0:0:0:0:0:ffff:8ff3:bf03
143.243.191.4 0:0:0:0:0:ffff:8ff3:bf04
143.243.191.5 0:0:0:0:0:ffff:8ff3:bf05
143.243.191.6 0:0:0:0:0:ffff:8ff3:bf06
143.243.191.7 0:0:0:0:0:ffff:8ff3:bf07
143.243.191.8 0:0:0:0:0:ffff:8ff3:bf08
143.243.191.9 0:0:0:0:0:ffff:8ff3:bf09
143.243.191.10 0:0:0:0:0:ffff:8ff3:bf0a
143.243.191.11 0:0:0:0:0:ffff:8ff3:bf0b
143.243.191.12 0:0:0:0:0:ffff:8ff3:bf0c
143.243.191.13 0:0:0:0:0:ffff:8ff3:bf0d
143.243.191.14 0:0:0:0:0:ffff:8ff3:bf0e
143.243.191.15 0:0:0:0:0:ffff:8ff3:bf0f
143.243.191.16 0:0:0:0:0:ffff:8ff3:bf10
143.243.191.17 0:0:0:0:0:ffff:8ff3:bf11
143.243.191.18 0:0:0:0:0:ffff:8ff3:bf12
143.243.191.19 0:0:0:0:0:ffff:8ff3:bf13
143.243.191.20 0:0:0:0:0:ffff:8ff3:bf14
143.243.191.21 0:0:0:0:0:ffff:8ff3:bf15
143.243.191.22 0:0:0:0:0:ffff:8ff3:bf16
143.243.191.23 0:0:0:0:0:ffff:8ff3:bf17
143.243.191.24 0:0:0:0:0:ffff:8ff3:bf18
143.243.191.25 0:0:0:0:0:ffff:8ff3:bf19
143.243.191.26 0:0:0:0:0:ffff:8ff3:bf1a
143.243.191.27 0:0:0:0:0:ffff:8ff3:bf1b
143.243.191.28 0:0:0:0:0:ffff:8ff3:bf1c
143.243.191.29 0:0:0:0:0:ffff:8ff3:bf1d
143.243.191.30 0:0:0:0:0:ffff:8ff3:bf1e
143.243.191.31 0:0:0:0:0:ffff:8ff3:bf1f
143.243.191.32 0:0:0:0:0:ffff:8ff3:bf20
143.243.191.33 0:0:0:0:0:ffff:8ff3:bf21
143.243.191.34 0:0:0:0:0:ffff:8ff3:bf22
143.243.191.35 0:0:0:0:0:ffff:8ff3:bf23
143.243.191.36 0:0:0:0:0:ffff:8ff3:bf24
143.243.191.37 0:0:0:0:0:ffff:8ff3:bf25
143.243.191.38 0:0:0:0:0:ffff:8ff3:bf26
143.243.191.39 0:0:0:0:0:ffff:8ff3:bf27
143.243.191.40 0:0:0:0:0:ffff:8ff3:bf28
143.243.191.41 0:0:0:0:0:ffff:8ff3:bf29
143.243.191.42 0:0:0:0:0:ffff:8ff3:bf2a
143.243.191.43 0:0:0:0:0:ffff:8ff3:bf2b
143.243.191.44 0:0:0:0:0:ffff:8ff3:bf2c
143.243.191.45 0:0:0:0:0:ffff:8ff3:bf2d
143.243.191.46 0:0:0:0:0:ffff:8ff3:bf2e
143.243.191.47 0:0:0:0:0:ffff:8ff3:bf2f
143.243.191.48 0:0:0:0:0:ffff:8ff3:bf30
143.243.191.49 0:0:0:0:0:ffff:8ff3:bf31
143.243.191.50 0:0:0:0:0:ffff:8ff3:bf32
143.243.191.51 0:0:0:0:0:ffff:8ff3:bf33
143.243.191.52 0:0:0:0:0:ffff:8ff3:bf34
143.243.191.53 0:0:0:0:0:ffff:8ff3:bf35
143.243.191.54 0:0:0:0:0:ffff:8ff3:bf36
143.243.191.55 0:0:0:0:0:ffff:8ff3:bf37
143.243.191.56 0:0:0:0:0:ffff:8ff3:bf38
143.243.191.57 0:0:0:0:0:ffff:8ff3:bf39
143.243.191.58 0:0:0:0:0:ffff:8ff3:bf3a
143.243.191.59 0:0:0:0:0:ffff:8ff3:bf3b
143.243.191.60 0:0:0:0:0:ffff:8ff3:bf3c


143.243.191.61 0:0:0:0:0:ffff:8ff3:bf3d
143.243.191.62 0:0:0:0:0:ffff:8ff3:bf3e
143.243.191.63 0:0:0:0:0:ffff:8ff3:bf3f
143.243.191.64 0:0:0:0:0:ffff:8ff3:bf40
143.243.191.65 0:0:0:0:0:ffff:8ff3:bf41
143.243.191.66 0:0:0:0:0:ffff:8ff3:bf42
143.243.191.67 0:0:0:0:0:ffff:8ff3:bf43
143.243.191.68 0:0:0:0:0:ffff:8ff3:bf44
143.243.191.69 0:0:0:0:0:ffff:8ff3:bf45
143.243.191.70 0:0:0:0:0:ffff:8ff3:bf46
143.243.191.71 0:0:0:0:0:ffff:8ff3:bf47
143.243.191.72 0:0:0:0:0:ffff:8ff3:bf48
143.243.191.73 0:0:0:0:0:ffff:8ff3:bf49
143.243.191.74 0:0:0:0:0:ffff:8ff3:bf4a
143.243.191.75 0:0:0:0:0:ffff:8ff3:bf4b
143.243.191.76 0:0:0:0:0:ffff:8ff3:bf4c
143.243.191.77 0:0:0:0:0:ffff:8ff3:bf4d
143.243.191.78 0:0:0:0:0:ffff:8ff3:bf4e
143.243.191.79 0:0:0:0:0:ffff:8ff3:bf4f
143.243.191.80 0:0:0:0:0:ffff:8ff3:bf50
143.243.191.81 0:0:0:0:0:ffff:8ff3:bf51
143.243.191.82 0:0:0:0:0:ffff:8ff3:bf52
143.243.191.83 0:0:0:0:0:ffff:8ff3:bf53
143.243.191.84 0:0:0:0:0:ffff:8ff3:bf54
143.243.191.85 0:0:0:0:0:ffff:8ff3:bf55
143.243.191.86 0:0:0:0:0:ffff:8ff3:bf56
143.243.191.87 0:0:0:0:0:ffff:8ff3:bf57
143.243.191.88 0:0:0:0:0:ffff:8ff3:bf58
143.243.191.89 0:0:0:0:0:ffff:8ff3:bf59
143.243.191.90 0:0:0:0:0:ffff:8ff3:bf5a
143.243.191.91 0:0:0:0:0:ffff:8ff3:bf5b
143.243.191.92 0:0:0:0:0:ffff:8ff3:bf5c
143.243.191.93 0:0:0:0:0:ffff:8ff3:bf5d
143.243.191.94 0:0:0:0:0:ffff:8ff3:bf5e
143.243.191.95 0:0:0:0:0:ffff:8ff3:bf5f
143.243.191.96 0:0:0:0:0:ffff:8ff3:bf60
143.243.191.97 0:0:0:0:0:ffff:8ff3:bf61
143.243.191.98 0:0:0:0:0:ffff:8ff3:bf62
143.243.191.99 0:0:0:0:0:ffff:8ff3:bf63
143.243.191.100 0:0:0:0:0:ffff:8ff3:bf64
143.243.191.101 0:0:0:0:0:ffff:8ff3:bf65
143.243.191.102 0:0:0:0:0:ffff:8ff3:bf66
143.243.191.103 0:0:0:0:0:ffff:8ff3:bf67
143.243.191.104 0:0:0:0:0:ffff:8ff3:bf68
143.243.191.105 0:0:0:0:0:ffff:8ff3:bf69
143.243.191.106 0:0:0:0:0:ffff:8ff3:bf6a
143.243.191.107 0:0:0:0:0:ffff:8ff3:bf6b
143.243.191.108 0:0:0:0:0:ffff:8ff3:bf6c
143.243.191.109 0:0:0:0:0:ffff:8ff3:bf6d
143.243.191.110 0:0:0:0:0:ffff:8ff3:bf6e
143.243.191.111 0:0:0:0:0:ffff:8ff3:bf6f
143.243.191.112 0:0:0:0:0:ffff:8ff3:bf70
143.243.191.113 0:0:0:0:0:ffff:8ff3:bf71
143.243.191.114 0:0:0:0:0:ffff:8ff3:bf72
143.243.191.115 0:0:0:0:0:ffff:8ff3:bf73
143.243.191.116 0:0:0:0:0:ffff:8ff3:bf74
143.243.191.117 0:0:0:0:0:ffff:8ff3:bf75
143.243.191.118 0:0:0:0:0:ffff:8ff3:bf76
143.243.191.119 0:0:0:0:0:ffff:8ff3:bf77
143.243.191.120 0:0:0:0:0:ffff:8ff3:bf78


143.243.191.121 0:0:0:0:0:ffff:8ff3:bf79
143.243.191.122 0:0:0:0:0:ffff:8ff3:bf7a
143.243.191.123 0:0:0:0:0:ffff:8ff3:bf7b
143.243.191.124 0:0:0:0:0:ffff:8ff3:bf7c
143.243.191.125 0:0:0:0:0:ffff:8ff3:bf7d
143.243.191.126 0:0:0:0:0:ffff:8ff3:bf7e
143.243.191.127 0:0:0:0:0:ffff:8ff3:bf7f
143.243.191.128 0:0:0:0:0:ffff:8ff3:bf80
143.243.191.129 0:0:0:0:0:ffff:8ff3:bf81
143.243.191.130 0:0:0:0:0:ffff:8ff3:bf82
143.243.191.131 0:0:0:0:0:ffff:8ff3:bf83
143.243.191.132 0:0:0:0:0:ffff:8ff3:bf84
143.243.191.133 0:0:0:0:0:ffff:8ff3:bf85
143.243.191.134 0:0:0:0:0:ffff:8ff3:bf86
143.243.191.135 0:0:0:0:0:ffff:8ff3:bf87
143.243.191.136 0:0:0:0:0:ffff:8ff3:bf88
143.243.191.137 0:0:0:0:0:ffff:8ff3:bf89
143.243.191.138 0:0:0:0:0:ffff:8ff3:bf8a
143.243.191.139 0:0:0:0:0:ffff:8ff3:bf8b
143.243.191.140 0:0:0:0:0:ffff:8ff3:bf8c
143.243.191.141 0:0:0:0:0:ffff:8ff3:bf8d
143.243.191.142 0:0:0:0:0:ffff:8ff3:bf8e
143.243.191.143 0:0:0:0:0:ffff:8ff3:bf8f
143.243.191.144 0:0:0:0:0:ffff:8ff3:bf90
143.243.191.145 0:0:0:0:0:ffff:8ff3:bf91
143.243.191.146 0:0:0:0:0:ffff:8ff3:bf92
143.243.191.147 0:0:0:0:0:ffff:8ff3:bf93
143.243.191.148 0:0:0:0:0:ffff:8ff3:bf94
143.243.191.149 0:0:0:0:0:ffff:8ff3:bf95
143.243.191.150 0:0:0:0:0:ffff:8ff3:bf96
143.243.191.151 0:0:0:0:0:ffff:8ff3:bf97
143.243.191.152 0:0:0:0:0:ffff:8ff3:bf98
143.243.191.153 0:0:0:0:0:ffff:8ff3:bf99
143.243.191.154 0:0:0:0:0:ffff:8ff3:bf9a
143.243.191.155 0:0:0:0:0:ffff:8ff3:bf9b
143.243.191.156 0:0:0:0:0:ffff:8ff3:bf9c
143.243.191.157 0:0:0:0:0:ffff:8ff3:bf9d
143.243.191.158 0:0:0:0:0:ffff:8ff3:bf9e
143.243.191.159 0:0:0:0:0:ffff:8ff3:bf9f
143.243.191.160 0:0:0:0:0:ffff:8ff3:bfa0
143.243.191.161 0:0:0:0:0:ffff:8ff3:bfa1
143.243.191.162 0:0:0:0:0:ffff:8ff3:bfa2
143.243.191.163 0:0:0:0:0:ffff:8ff3:bfa3
143.243.191.164 0:0:0:0:0:ffff:8ff3:bfa4
143.243.191.165 0:0:0:0:0:ffff:8ff3:bfa5
143.243.191.166 0:0:0:0:0:ffff:8ff3:bfa6
143.243.191.167 0:0:0:0:0:ffff:8ff3:bfa7
143.243.191.168 0:0:0:0:0:ffff:8ff3:bfa8
143.243.191.169 0:0:0:0:0:ffff:8ff3:bfa9
143.243.191.170 0:0:0:0:0:ffff:8ff3:bfaa
143.243.191.171 0:0:0:0:0:ffff:8ff3:bfab
143.243.191.172 0:0:0:0:0:ffff:8ff3:bfac
143.243.191.173 0:0:0:0:0:ffff:8ff3:bfad
143.243.191.174 0:0:0:0:0:ffff:8ff3:bfae
143.243.191.175 0:0:0:0:0:ffff:8ff3:bfaf
143.243.191.176 0:0:0:0:0:ffff:8ff3:bfb0
143.243.191.177 0:0:0:0:0:ffff:8ff3:bfb1
143.243.191.178 0:0:0:0:0:ffff:8ff3:bfb2
143.243.191.179 0:0:0:0:0:ffff:8ff3:bfb3
143.243.191.180 0:0:0:0:0:ffff:8ff3:bfb4


143.243.191.181 0:0:0:0:0:ffff:8ff3:bfb5
143.243.191.182 0:0:0:0:0:ffff:8ff3:bfb6
143.243.191.183 0:0:0:0:0:ffff:8ff3:bfb7
143.243.191.184 0:0:0:0:0:ffff:8ff3:bfb8
143.243.191.185 0:0:0:0:0:ffff:8ff3:bfb9
143.243.191.186 0:0:0:0:0:ffff:8ff3:bfba
143.243.191.187 0:0:0:0:0:ffff:8ff3:bfbb
143.243.191.188 0:0:0:0:0:ffff:8ff3:bfbc
143.243.191.189 0:0:0:0:0:ffff:8ff3:bfbd
143.243.191.190 0:0:0:0:0:ffff:8ff3:bfbe
143.243.191.191 0:0:0:0:0:ffff:8ff3:bfbf
143.243.191.192 0:0:0:0:0:ffff:8ff3:bfc0
143.243.191.193 0:0:0:0:0:ffff:8ff3:bfc1
143.243.191.194 0:0:0:0:0:ffff:8ff3:bfc2
143.243.191.195 0:0:0:0:0:ffff:8ff3:bfc3
143.243.191.196 0:0:0:0:0:ffff:8ff3:bfc4
143.243.191.197 0:0:0:0:0:ffff:8ff3:bfc5
143.243.191.198 0:0:0:0:0:ffff:8ff3:bfc6
143.243.191.199 0:0:0:0:0:ffff:8ff3:bfc7
143.243.191.200 0:0:0:0:0:ffff:8ff3:bfc8
143.243.191.201 0:0:0:0:0:ffff:8ff3:bfc9
143.243.191.202 0:0:0:0:0:ffff:8ff3:bfca
143.243.191.203 0:0:0:0:0:ffff:8ff3:bfcb
143.243.191.204 0:0:0:0:0:ffff:8ff3:bfcc
143.243.191.205 0:0:0:0:0:ffff:8ff3:bfcd
143.243.191.206 0:0:0:0:0:ffff:8ff3:bfce
143.243.191.207 0:0:0:0:0:ffff:8ff3:bfcf
143.243.191.208 0:0:0:0:0:ffff:8ff3:bfd0
143.243.191.209 0:0:0:0:0:ffff:8ff3:bfd1
143.243.191.210 0:0:0:0:0:ffff:8ff3:bfd2
143.243.191.211 0:0:0:0:0:ffff:8ff3:bfd3
143.243.191.212 0:0:0:0:0:ffff:8ff3:bfd4
143.243.191.213 0:0:0:0:0:ffff:8ff3:bfd5
143.243.191.214 0:0:0:0:0:ffff:8ff3:bfd6
143.243.191.215 0:0:0:0:0:ffff:8ff3:bfd7
143.243.191.216 0:0:0:0:0:ffff:8ff3:bfd8
143.243.191.217 0:0:0:0:0:ffff:8ff3:bfd9
143.243.191.218 0:0:0:0:0:ffff:8ff3:bfda
143.243.191.219 0:0:0:0:0:ffff:8ff3:bfdb
143.243.191.220 0:0:0:0:0:ffff:8ff3:bfdc
143.243.191.221 0:0:0:0:0:ffff:8ff3:bfdd
143.243.191.222 0:0:0:0:0:ffff:8ff3:bfde
143.243.191.223 0:0:0:0:0:ffff:8ff3:bfdf
143.243.191.224 0:0:0:0:0:ffff:8ff3:bfe0
143.243.191.225 0:0:0:0:0:ffff:8ff3:bfe1
143.243.191.226 0:0:0:0:0:ffff:8ff3:bfe2
143.243.191.227 0:0:0:0:0:ffff:8ff3:bfe3
143.243.191.228 0:0:0:0:0:ffff:8ff3:bfe4
143.243.191.229 0:0:0:0:0:ffff:8ff3:bfe5
143.243.191.230 0:0:0:0:0:ffff:8ff3:bfe6
143.243.191.231 0:0:0:0:0:ffff:8ff3:bfe7
143.243.191.232 0:0:0:0:0:ffff:8ff3:bfe8
143.243.191.233 0:0:0:0:0:ffff:8ff3:bfe9
143.243.191.234 0:0:0:0:0:ffff:8ff3:bfea
143.243.191.235 0:0:0:0:0:ffff:8ff3:bfeb
143.243.191.236 0:0:0:0:0:ffff:8ff3:bfec
143.243.191.237 0:0:0:0:0:ffff:8ff3:bfed
143.243.191.238 0:0:0:0:0:ffff:8ff3:bfee
143.243.191.239 0:0:0:0:0:ffff:8ff3:bfef
143.243.191.240 0:0:0:0:0:ffff:8ff3:bff0
143.243.191.241 0:0:0:0:0:ffff:8ff3:bff1
143.243.191.242 0:0:0:0:0:ffff:8ff3:bff2
143.243.191.243 0:0:0:0:0:ffff:8ff3:bff3
143.243.191.244 0:0:0:0:0:ffff:8ff3:bff4
143.243.191.245 0:0:0:0:0:ffff:8ff3:bff5
143.243.191.246 0:0:0:0:0:ffff:8ff3:bff6
143.243.191.247 0:0:0:0:0:ffff:8ff3:bff7
143.243.191.248 0:0:0:0:0:ffff:8ff3:bff8
143.243.191.249 0:0:0:0:0:ffff:8ff3:bff9
143.243.191.250 0:0:0:0:0:ffff:8ff3:bffa
143.243.191.251 0:0:0:0:0:ffff:8ff3:bffb
143.243.191.252 0:0:0:0:0:ffff:8ff3:bffc
143.243.191.253 0:0:0:0:0:ffff:8ff3:bffd
143.243.191.254 0:0:0:0:0:ffff:8ff3:bffe
143.243.191.255 0:0:0:0:0:ffff:8ff3:bfff


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.