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
199.138.202.1 0:0:0:0:0:ffff:c78a:ca01
199.138.202.2 0:0:0:0:0:ffff:c78a:ca02
199.138.202.3 0:0:0:0:0:ffff:c78a:ca03
199.138.202.4 0:0:0:0:0:ffff:c78a:ca04
199.138.202.5 0:0:0:0:0:ffff:c78a:ca05
199.138.202.6 0:0:0:0:0:ffff:c78a:ca06
199.138.202.7 0:0:0:0:0:ffff:c78a:ca07
199.138.202.8 0:0:0:0:0:ffff:c78a:ca08
199.138.202.9 0:0:0:0:0:ffff:c78a:ca09
199.138.202.10 0:0:0:0:0:ffff:c78a:ca0a
199.138.202.11 0:0:0:0:0:ffff:c78a:ca0b
199.138.202.12 0:0:0:0:0:ffff:c78a:ca0c
199.138.202.13 0:0:0:0:0:ffff:c78a:ca0d
199.138.202.14 0:0:0:0:0:ffff:c78a:ca0e
199.138.202.15 0:0:0:0:0:ffff:c78a:ca0f
199.138.202.16 0:0:0:0:0:ffff:c78a:ca10
199.138.202.17 0:0:0:0:0:ffff:c78a:ca11
199.138.202.18 0:0:0:0:0:ffff:c78a:ca12
199.138.202.19 0:0:0:0:0:ffff:c78a:ca13
199.138.202.20 0:0:0:0:0:ffff:c78a:ca14
199.138.202.21 0:0:0:0:0:ffff:c78a:ca15
199.138.202.22 0:0:0:0:0:ffff:c78a:ca16
199.138.202.23 0:0:0:0:0:ffff:c78a:ca17
199.138.202.24 0:0:0:0:0:ffff:c78a:ca18
199.138.202.25 0:0:0:0:0:ffff:c78a:ca19
199.138.202.26 0:0:0:0:0:ffff:c78a:ca1a
199.138.202.27 0:0:0:0:0:ffff:c78a:ca1b
199.138.202.28 0:0:0:0:0:ffff:c78a:ca1c
199.138.202.29 0:0:0:0:0:ffff:c78a:ca1d
199.138.202.30 0:0:0:0:0:ffff:c78a:ca1e
199.138.202.31 0:0:0:0:0:ffff:c78a:ca1f
199.138.202.32 0:0:0:0:0:ffff:c78a:ca20
199.138.202.33 0:0:0:0:0:ffff:c78a:ca21
199.138.202.34 0:0:0:0:0:ffff:c78a:ca22
199.138.202.35 0:0:0:0:0:ffff:c78a:ca23
199.138.202.36 0:0:0:0:0:ffff:c78a:ca24
199.138.202.37 0:0:0:0:0:ffff:c78a:ca25
199.138.202.38 0:0:0:0:0:ffff:c78a:ca26
199.138.202.39 0:0:0:0:0:ffff:c78a:ca27
199.138.202.40 0:0:0:0:0:ffff:c78a:ca28
199.138.202.41 0:0:0:0:0:ffff:c78a:ca29
199.138.202.42 0:0:0:0:0:ffff:c78a:ca2a
199.138.202.43 0:0:0:0:0:ffff:c78a:ca2b
199.138.202.44 0:0:0:0:0:ffff:c78a:ca2c
199.138.202.45 0:0:0:0:0:ffff:c78a:ca2d
199.138.202.46 0:0:0:0:0:ffff:c78a:ca2e
199.138.202.47 0:0:0:0:0:ffff:c78a:ca2f
199.138.202.48 0:0:0:0:0:ffff:c78a:ca30
199.138.202.49 0:0:0:0:0:ffff:c78a:ca31
199.138.202.50 0:0:0:0:0:ffff:c78a:ca32
199.138.202.51 0:0:0:0:0:ffff:c78a:ca33
199.138.202.52 0:0:0:0:0:ffff:c78a:ca34
199.138.202.53 0:0:0:0:0:ffff:c78a:ca35
199.138.202.54 0:0:0:0:0:ffff:c78a:ca36
199.138.202.55 0:0:0:0:0:ffff:c78a:ca37
199.138.202.56 0:0:0:0:0:ffff:c78a:ca38
199.138.202.57 0:0:0:0:0:ffff:c78a:ca39
199.138.202.58 0:0:0:0:0:ffff:c78a:ca3a
199.138.202.59 0:0:0:0:0:ffff:c78a:ca3b
199.138.202.60 0:0:0:0:0:ffff:c78a:ca3c


199.138.202.61 0:0:0:0:0:ffff:c78a:ca3d
199.138.202.62 0:0:0:0:0:ffff:c78a:ca3e
199.138.202.63 0:0:0:0:0:ffff:c78a:ca3f
199.138.202.64 0:0:0:0:0:ffff:c78a:ca40
199.138.202.65 0:0:0:0:0:ffff:c78a:ca41
199.138.202.66 0:0:0:0:0:ffff:c78a:ca42
199.138.202.67 0:0:0:0:0:ffff:c78a:ca43
199.138.202.68 0:0:0:0:0:ffff:c78a:ca44
199.138.202.69 0:0:0:0:0:ffff:c78a:ca45
199.138.202.70 0:0:0:0:0:ffff:c78a:ca46
199.138.202.71 0:0:0:0:0:ffff:c78a:ca47
199.138.202.72 0:0:0:0:0:ffff:c78a:ca48
199.138.202.73 0:0:0:0:0:ffff:c78a:ca49
199.138.202.74 0:0:0:0:0:ffff:c78a:ca4a
199.138.202.75 0:0:0:0:0:ffff:c78a:ca4b
199.138.202.76 0:0:0:0:0:ffff:c78a:ca4c
199.138.202.77 0:0:0:0:0:ffff:c78a:ca4d
199.138.202.78 0:0:0:0:0:ffff:c78a:ca4e
199.138.202.79 0:0:0:0:0:ffff:c78a:ca4f
199.138.202.80 0:0:0:0:0:ffff:c78a:ca50
199.138.202.81 0:0:0:0:0:ffff:c78a:ca51
199.138.202.82 0:0:0:0:0:ffff:c78a:ca52
199.138.202.83 0:0:0:0:0:ffff:c78a:ca53
199.138.202.84 0:0:0:0:0:ffff:c78a:ca54
199.138.202.85 0:0:0:0:0:ffff:c78a:ca55
199.138.202.86 0:0:0:0:0:ffff:c78a:ca56
199.138.202.87 0:0:0:0:0:ffff:c78a:ca57
199.138.202.88 0:0:0:0:0:ffff:c78a:ca58
199.138.202.89 0:0:0:0:0:ffff:c78a:ca59
199.138.202.90 0:0:0:0:0:ffff:c78a:ca5a
199.138.202.91 0:0:0:0:0:ffff:c78a:ca5b
199.138.202.92 0:0:0:0:0:ffff:c78a:ca5c
199.138.202.93 0:0:0:0:0:ffff:c78a:ca5d
199.138.202.94 0:0:0:0:0:ffff:c78a:ca5e
199.138.202.95 0:0:0:0:0:ffff:c78a:ca5f
199.138.202.96 0:0:0:0:0:ffff:c78a:ca60
199.138.202.97 0:0:0:0:0:ffff:c78a:ca61
199.138.202.98 0:0:0:0:0:ffff:c78a:ca62
199.138.202.99 0:0:0:0:0:ffff:c78a:ca63
199.138.202.100 0:0:0:0:0:ffff:c78a:ca64
199.138.202.101 0:0:0:0:0:ffff:c78a:ca65
199.138.202.102 0:0:0:0:0:ffff:c78a:ca66
199.138.202.103 0:0:0:0:0:ffff:c78a:ca67
199.138.202.104 0:0:0:0:0:ffff:c78a:ca68
199.138.202.105 0:0:0:0:0:ffff:c78a:ca69
199.138.202.106 0:0:0:0:0:ffff:c78a:ca6a
199.138.202.107 0:0:0:0:0:ffff:c78a:ca6b
199.138.202.108 0:0:0:0:0:ffff:c78a:ca6c
199.138.202.109 0:0:0:0:0:ffff:c78a:ca6d
199.138.202.110 0:0:0:0:0:ffff:c78a:ca6e
199.138.202.111 0:0:0:0:0:ffff:c78a:ca6f
199.138.202.112 0:0:0:0:0:ffff:c78a:ca70
199.138.202.113 0:0:0:0:0:ffff:c78a:ca71
199.138.202.114 0:0:0:0:0:ffff:c78a:ca72
199.138.202.115 0:0:0:0:0:ffff:c78a:ca73
199.138.202.116 0:0:0:0:0:ffff:c78a:ca74
199.138.202.117 0:0:0:0:0:ffff:c78a:ca75
199.138.202.118 0:0:0:0:0:ffff:c78a:ca76
199.138.202.119 0:0:0:0:0:ffff:c78a:ca77
199.138.202.120 0:0:0:0:0:ffff:c78a:ca78


199.138.202.121 0:0:0:0:0:ffff:c78a:ca79
199.138.202.122 0:0:0:0:0:ffff:c78a:ca7a
199.138.202.123 0:0:0:0:0:ffff:c78a:ca7b
199.138.202.124 0:0:0:0:0:ffff:c78a:ca7c
199.138.202.125 0:0:0:0:0:ffff:c78a:ca7d
199.138.202.126 0:0:0:0:0:ffff:c78a:ca7e
199.138.202.127 0:0:0:0:0:ffff:c78a:ca7f
199.138.202.128 0:0:0:0:0:ffff:c78a:ca80
199.138.202.129 0:0:0:0:0:ffff:c78a:ca81
199.138.202.130 0:0:0:0:0:ffff:c78a:ca82
199.138.202.131 0:0:0:0:0:ffff:c78a:ca83
199.138.202.132 0:0:0:0:0:ffff:c78a:ca84
199.138.202.133 0:0:0:0:0:ffff:c78a:ca85
199.138.202.134 0:0:0:0:0:ffff:c78a:ca86
199.138.202.135 0:0:0:0:0:ffff:c78a:ca87
199.138.202.136 0:0:0:0:0:ffff:c78a:ca88
199.138.202.137 0:0:0:0:0:ffff:c78a:ca89
199.138.202.138 0:0:0:0:0:ffff:c78a:ca8a
199.138.202.139 0:0:0:0:0:ffff:c78a:ca8b
199.138.202.140 0:0:0:0:0:ffff:c78a:ca8c
199.138.202.141 0:0:0:0:0:ffff:c78a:ca8d
199.138.202.142 0:0:0:0:0:ffff:c78a:ca8e
199.138.202.143 0:0:0:0:0:ffff:c78a:ca8f
199.138.202.144 0:0:0:0:0:ffff:c78a:ca90
199.138.202.145 0:0:0:0:0:ffff:c78a:ca91
199.138.202.146 0:0:0:0:0:ffff:c78a:ca92
199.138.202.147 0:0:0:0:0:ffff:c78a:ca93
199.138.202.148 0:0:0:0:0:ffff:c78a:ca94
199.138.202.149 0:0:0:0:0:ffff:c78a:ca95
199.138.202.150 0:0:0:0:0:ffff:c78a:ca96
199.138.202.151 0:0:0:0:0:ffff:c78a:ca97
199.138.202.152 0:0:0:0:0:ffff:c78a:ca98
199.138.202.153 0:0:0:0:0:ffff:c78a:ca99
199.138.202.154 0:0:0:0:0:ffff:c78a:ca9a
199.138.202.155 0:0:0:0:0:ffff:c78a:ca9b
199.138.202.156 0:0:0:0:0:ffff:c78a:ca9c
199.138.202.157 0:0:0:0:0:ffff:c78a:ca9d
199.138.202.158 0:0:0:0:0:ffff:c78a:ca9e
199.138.202.159 0:0:0:0:0:ffff:c78a:ca9f
199.138.202.160 0:0:0:0:0:ffff:c78a:caa0
199.138.202.161 0:0:0:0:0:ffff:c78a:caa1
199.138.202.162 0:0:0:0:0:ffff:c78a:caa2
199.138.202.163 0:0:0:0:0:ffff:c78a:caa3
199.138.202.164 0:0:0:0:0:ffff:c78a:caa4
199.138.202.165 0:0:0:0:0:ffff:c78a:caa5
199.138.202.166 0:0:0:0:0:ffff:c78a:caa6
199.138.202.167 0:0:0:0:0:ffff:c78a:caa7
199.138.202.168 0:0:0:0:0:ffff:c78a:caa8
199.138.202.169 0:0:0:0:0:ffff:c78a:caa9
199.138.202.170 0:0:0:0:0:ffff:c78a:caaa
199.138.202.171 0:0:0:0:0:ffff:c78a:caab
199.138.202.172 0:0:0:0:0:ffff:c78a:caac
199.138.202.173 0:0:0:0:0:ffff:c78a:caad
199.138.202.174 0:0:0:0:0:ffff:c78a:caae
199.138.202.175 0:0:0:0:0:ffff:c78a:caaf
199.138.202.176 0:0:0:0:0:ffff:c78a:cab0
199.138.202.177 0:0:0:0:0:ffff:c78a:cab1
199.138.202.178 0:0:0:0:0:ffff:c78a:cab2
199.138.202.179 0:0:0:0:0:ffff:c78a:cab3
199.138.202.180 0:0:0:0:0:ffff:c78a:cab4


199.138.202.181 0:0:0:0:0:ffff:c78a:cab5
199.138.202.182 0:0:0:0:0:ffff:c78a:cab6
199.138.202.183 0:0:0:0:0:ffff:c78a:cab7
199.138.202.184 0:0:0:0:0:ffff:c78a:cab8
199.138.202.185 0:0:0:0:0:ffff:c78a:cab9
199.138.202.186 0:0:0:0:0:ffff:c78a:caba
199.138.202.187 0:0:0:0:0:ffff:c78a:cabb
199.138.202.188 0:0:0:0:0:ffff:c78a:cabc
199.138.202.189 0:0:0:0:0:ffff:c78a:cabd
199.138.202.190 0:0:0:0:0:ffff:c78a:cabe
199.138.202.191 0:0:0:0:0:ffff:c78a:cabf
199.138.202.192 0:0:0:0:0:ffff:c78a:cac0
199.138.202.193 0:0:0:0:0:ffff:c78a:cac1
199.138.202.194 0:0:0:0:0:ffff:c78a:cac2
199.138.202.195 0:0:0:0:0:ffff:c78a:cac3
199.138.202.196 0:0:0:0:0:ffff:c78a:cac4
199.138.202.197 0:0:0:0:0:ffff:c78a:cac5
199.138.202.198 0:0:0:0:0:ffff:c78a:cac6
199.138.202.199 0:0:0:0:0:ffff:c78a:cac7
199.138.202.200 0:0:0:0:0:ffff:c78a:cac8
199.138.202.201 0:0:0:0:0:ffff:c78a:cac9
199.138.202.202 0:0:0:0:0:ffff:c78a:caca
199.138.202.203 0:0:0:0:0:ffff:c78a:cacb
199.138.202.204 0:0:0:0:0:ffff:c78a:cacc
199.138.202.205 0:0:0:0:0:ffff:c78a:cacd
199.138.202.206 0:0:0:0:0:ffff:c78a:cace
199.138.202.207 0:0:0:0:0:ffff:c78a:cacf
199.138.202.208 0:0:0:0:0:ffff:c78a:cad0
199.138.202.209 0:0:0:0:0:ffff:c78a:cad1
199.138.202.210 0:0:0:0:0:ffff:c78a:cad2
199.138.202.211 0:0:0:0:0:ffff:c78a:cad3
199.138.202.212 0:0:0:0:0:ffff:c78a:cad4
199.138.202.213 0:0:0:0:0:ffff:c78a:cad5
199.138.202.214 0:0:0:0:0:ffff:c78a:cad6
199.138.202.215 0:0:0:0:0:ffff:c78a:cad7
199.138.202.216 0:0:0:0:0:ffff:c78a:cad8
199.138.202.217 0:0:0:0:0:ffff:c78a:cad9
199.138.202.218 0:0:0:0:0:ffff:c78a:cada
199.138.202.219 0:0:0:0:0:ffff:c78a:cadb
199.138.202.220 0:0:0:0:0:ffff:c78a:cadc
199.138.202.221 0:0:0:0:0:ffff:c78a:cadd
199.138.202.222 0:0:0:0:0:ffff:c78a:cade
199.138.202.223 0:0:0:0:0:ffff:c78a:cadf
199.138.202.224 0:0:0:0:0:ffff:c78a:cae0
199.138.202.225 0:0:0:0:0:ffff:c78a:cae1
199.138.202.226 0:0:0:0:0:ffff:c78a:cae2
199.138.202.227 0:0:0:0:0:ffff:c78a:cae3
199.138.202.228 0:0:0:0:0:ffff:c78a:cae4
199.138.202.229 0:0:0:0:0:ffff:c78a:cae5
199.138.202.230 0:0:0:0:0:ffff:c78a:cae6
199.138.202.231 0:0:0:0:0:ffff:c78a:cae7
199.138.202.232 0:0:0:0:0:ffff:c78a:cae8
199.138.202.233 0:0:0:0:0:ffff:c78a:cae9
199.138.202.234 0:0:0:0:0:ffff:c78a:caea
199.138.202.235 0:0:0:0:0:ffff:c78a:caeb
199.138.202.236 0:0:0:0:0:ffff:c78a:caec
199.138.202.237 0:0:0:0:0:ffff:c78a:caed
199.138.202.238 0:0:0:0:0:ffff:c78a:caee
199.138.202.239 0:0:0:0:0:ffff:c78a:caef
199.138.202.240 0:0:0:0:0:ffff:c78a:caf0
199.138.202.241 0:0:0:0:0:ffff:c78a:caf1
199.138.202.242 0:0:0:0:0:ffff:c78a:caf2
199.138.202.243 0:0:0:0:0:ffff:c78a:caf3
199.138.202.244 0:0:0:0:0:ffff:c78a:caf4
199.138.202.245 0:0:0:0:0:ffff:c78a:caf5
199.138.202.246 0:0:0:0:0:ffff:c78a:caf6
199.138.202.247 0:0:0:0:0:ffff:c78a:caf7
199.138.202.248 0:0:0:0:0:ffff:c78a:caf8
199.138.202.249 0:0:0:0:0:ffff:c78a:caf9
199.138.202.250 0:0:0:0:0:ffff:c78a:cafa
199.138.202.251 0:0:0:0:0:ffff:c78a:cafb
199.138.202.252 0:0:0:0:0:ffff:c78a:cafc
199.138.202.253 0:0:0:0:0:ffff:c78a:cafd
199.138.202.254 0:0:0:0:0:ffff:c78a:cafe
199.138.202.255 0:0:0:0:0:ffff:c78a:caff


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.