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
199.138.236.1 0:0:0:0:0:ffff:c78a:ec01
199.138.236.2 0:0:0:0:0:ffff:c78a:ec02
199.138.236.3 0:0:0:0:0:ffff:c78a:ec03
199.138.236.4 0:0:0:0:0:ffff:c78a:ec04
199.138.236.5 0:0:0:0:0:ffff:c78a:ec05
199.138.236.6 0:0:0:0:0:ffff:c78a:ec06
199.138.236.7 0:0:0:0:0:ffff:c78a:ec07
199.138.236.8 0:0:0:0:0:ffff:c78a:ec08
199.138.236.9 0:0:0:0:0:ffff:c78a:ec09
199.138.236.10 0:0:0:0:0:ffff:c78a:ec0a
199.138.236.11 0:0:0:0:0:ffff:c78a:ec0b
199.138.236.12 0:0:0:0:0:ffff:c78a:ec0c
199.138.236.13 0:0:0:0:0:ffff:c78a:ec0d
199.138.236.14 0:0:0:0:0:ffff:c78a:ec0e
199.138.236.15 0:0:0:0:0:ffff:c78a:ec0f
199.138.236.16 0:0:0:0:0:ffff:c78a:ec10
199.138.236.17 0:0:0:0:0:ffff:c78a:ec11
199.138.236.18 0:0:0:0:0:ffff:c78a:ec12
199.138.236.19 0:0:0:0:0:ffff:c78a:ec13
199.138.236.20 0:0:0:0:0:ffff:c78a:ec14
199.138.236.21 0:0:0:0:0:ffff:c78a:ec15
199.138.236.22 0:0:0:0:0:ffff:c78a:ec16
199.138.236.23 0:0:0:0:0:ffff:c78a:ec17
199.138.236.24 0:0:0:0:0:ffff:c78a:ec18
199.138.236.25 0:0:0:0:0:ffff:c78a:ec19
199.138.236.26 0:0:0:0:0:ffff:c78a:ec1a
199.138.236.27 0:0:0:0:0:ffff:c78a:ec1b
199.138.236.28 0:0:0:0:0:ffff:c78a:ec1c
199.138.236.29 0:0:0:0:0:ffff:c78a:ec1d
199.138.236.30 0:0:0:0:0:ffff:c78a:ec1e
199.138.236.31 0:0:0:0:0:ffff:c78a:ec1f
199.138.236.32 0:0:0:0:0:ffff:c78a:ec20
199.138.236.33 0:0:0:0:0:ffff:c78a:ec21
199.138.236.34 0:0:0:0:0:ffff:c78a:ec22
199.138.236.35 0:0:0:0:0:ffff:c78a:ec23
199.138.236.36 0:0:0:0:0:ffff:c78a:ec24
199.138.236.37 0:0:0:0:0:ffff:c78a:ec25
199.138.236.38 0:0:0:0:0:ffff:c78a:ec26
199.138.236.39 0:0:0:0:0:ffff:c78a:ec27
199.138.236.40 0:0:0:0:0:ffff:c78a:ec28
199.138.236.41 0:0:0:0:0:ffff:c78a:ec29
199.138.236.42 0:0:0:0:0:ffff:c78a:ec2a
199.138.236.43 0:0:0:0:0:ffff:c78a:ec2b
199.138.236.44 0:0:0:0:0:ffff:c78a:ec2c
199.138.236.45 0:0:0:0:0:ffff:c78a:ec2d
199.138.236.46 0:0:0:0:0:ffff:c78a:ec2e
199.138.236.47 0:0:0:0:0:ffff:c78a:ec2f
199.138.236.48 0:0:0:0:0:ffff:c78a:ec30
199.138.236.49 0:0:0:0:0:ffff:c78a:ec31
199.138.236.50 0:0:0:0:0:ffff:c78a:ec32
199.138.236.51 0:0:0:0:0:ffff:c78a:ec33
199.138.236.52 0:0:0:0:0:ffff:c78a:ec34
199.138.236.53 0:0:0:0:0:ffff:c78a:ec35
199.138.236.54 0:0:0:0:0:ffff:c78a:ec36
199.138.236.55 0:0:0:0:0:ffff:c78a:ec37
199.138.236.56 0:0:0:0:0:ffff:c78a:ec38
199.138.236.57 0:0:0:0:0:ffff:c78a:ec39
199.138.236.58 0:0:0:0:0:ffff:c78a:ec3a
199.138.236.59 0:0:0:0:0:ffff:c78a:ec3b
199.138.236.60 0:0:0:0:0:ffff:c78a:ec3c


199.138.236.61 0:0:0:0:0:ffff:c78a:ec3d
199.138.236.62 0:0:0:0:0:ffff:c78a:ec3e
199.138.236.63 0:0:0:0:0:ffff:c78a:ec3f
199.138.236.64 0:0:0:0:0:ffff:c78a:ec40
199.138.236.65 0:0:0:0:0:ffff:c78a:ec41
199.138.236.66 0:0:0:0:0:ffff:c78a:ec42
199.138.236.67 0:0:0:0:0:ffff:c78a:ec43
199.138.236.68 0:0:0:0:0:ffff:c78a:ec44
199.138.236.69 0:0:0:0:0:ffff:c78a:ec45
199.138.236.70 0:0:0:0:0:ffff:c78a:ec46
199.138.236.71 0:0:0:0:0:ffff:c78a:ec47
199.138.236.72 0:0:0:0:0:ffff:c78a:ec48
199.138.236.73 0:0:0:0:0:ffff:c78a:ec49
199.138.236.74 0:0:0:0:0:ffff:c78a:ec4a
199.138.236.75 0:0:0:0:0:ffff:c78a:ec4b
199.138.236.76 0:0:0:0:0:ffff:c78a:ec4c
199.138.236.77 0:0:0:0:0:ffff:c78a:ec4d
199.138.236.78 0:0:0:0:0:ffff:c78a:ec4e
199.138.236.79 0:0:0:0:0:ffff:c78a:ec4f
199.138.236.80 0:0:0:0:0:ffff:c78a:ec50
199.138.236.81 0:0:0:0:0:ffff:c78a:ec51
199.138.236.82 0:0:0:0:0:ffff:c78a:ec52
199.138.236.83 0:0:0:0:0:ffff:c78a:ec53
199.138.236.84 0:0:0:0:0:ffff:c78a:ec54
199.138.236.85 0:0:0:0:0:ffff:c78a:ec55
199.138.236.86 0:0:0:0:0:ffff:c78a:ec56
199.138.236.87 0:0:0:0:0:ffff:c78a:ec57
199.138.236.88 0:0:0:0:0:ffff:c78a:ec58
199.138.236.89 0:0:0:0:0:ffff:c78a:ec59
199.138.236.90 0:0:0:0:0:ffff:c78a:ec5a
199.138.236.91 0:0:0:0:0:ffff:c78a:ec5b
199.138.236.92 0:0:0:0:0:ffff:c78a:ec5c
199.138.236.93 0:0:0:0:0:ffff:c78a:ec5d
199.138.236.94 0:0:0:0:0:ffff:c78a:ec5e
199.138.236.95 0:0:0:0:0:ffff:c78a:ec5f
199.138.236.96 0:0:0:0:0:ffff:c78a:ec60
199.138.236.97 0:0:0:0:0:ffff:c78a:ec61
199.138.236.98 0:0:0:0:0:ffff:c78a:ec62
199.138.236.99 0:0:0:0:0:ffff:c78a:ec63
199.138.236.100 0:0:0:0:0:ffff:c78a:ec64
199.138.236.101 0:0:0:0:0:ffff:c78a:ec65
199.138.236.102 0:0:0:0:0:ffff:c78a:ec66
199.138.236.103 0:0:0:0:0:ffff:c78a:ec67
199.138.236.104 0:0:0:0:0:ffff:c78a:ec68
199.138.236.105 0:0:0:0:0:ffff:c78a:ec69
199.138.236.106 0:0:0:0:0:ffff:c78a:ec6a
199.138.236.107 0:0:0:0:0:ffff:c78a:ec6b
199.138.236.108 0:0:0:0:0:ffff:c78a:ec6c
199.138.236.109 0:0:0:0:0:ffff:c78a:ec6d
199.138.236.110 0:0:0:0:0:ffff:c78a:ec6e
199.138.236.111 0:0:0:0:0:ffff:c78a:ec6f
199.138.236.112 0:0:0:0:0:ffff:c78a:ec70
199.138.236.113 0:0:0:0:0:ffff:c78a:ec71
199.138.236.114 0:0:0:0:0:ffff:c78a:ec72
199.138.236.115 0:0:0:0:0:ffff:c78a:ec73
199.138.236.116 0:0:0:0:0:ffff:c78a:ec74
199.138.236.117 0:0:0:0:0:ffff:c78a:ec75
199.138.236.118 0:0:0:0:0:ffff:c78a:ec76
199.138.236.119 0:0:0:0:0:ffff:c78a:ec77
199.138.236.120 0:0:0:0:0:ffff:c78a:ec78


199.138.236.121 0:0:0:0:0:ffff:c78a:ec79
199.138.236.122 0:0:0:0:0:ffff:c78a:ec7a
199.138.236.123 0:0:0:0:0:ffff:c78a:ec7b
199.138.236.124 0:0:0:0:0:ffff:c78a:ec7c
199.138.236.125 0:0:0:0:0:ffff:c78a:ec7d
199.138.236.126 0:0:0:0:0:ffff:c78a:ec7e
199.138.236.127 0:0:0:0:0:ffff:c78a:ec7f
199.138.236.128 0:0:0:0:0:ffff:c78a:ec80
199.138.236.129 0:0:0:0:0:ffff:c78a:ec81
199.138.236.130 0:0:0:0:0:ffff:c78a:ec82
199.138.236.131 0:0:0:0:0:ffff:c78a:ec83
199.138.236.132 0:0:0:0:0:ffff:c78a:ec84
199.138.236.133 0:0:0:0:0:ffff:c78a:ec85
199.138.236.134 0:0:0:0:0:ffff:c78a:ec86
199.138.236.135 0:0:0:0:0:ffff:c78a:ec87
199.138.236.136 0:0:0:0:0:ffff:c78a:ec88
199.138.236.137 0:0:0:0:0:ffff:c78a:ec89
199.138.236.138 0:0:0:0:0:ffff:c78a:ec8a
199.138.236.139 0:0:0:0:0:ffff:c78a:ec8b
199.138.236.140 0:0:0:0:0:ffff:c78a:ec8c
199.138.236.141 0:0:0:0:0:ffff:c78a:ec8d
199.138.236.142 0:0:0:0:0:ffff:c78a:ec8e
199.138.236.143 0:0:0:0:0:ffff:c78a:ec8f
199.138.236.144 0:0:0:0:0:ffff:c78a:ec90
199.138.236.145 0:0:0:0:0:ffff:c78a:ec91
199.138.236.146 0:0:0:0:0:ffff:c78a:ec92
199.138.236.147 0:0:0:0:0:ffff:c78a:ec93
199.138.236.148 0:0:0:0:0:ffff:c78a:ec94
199.138.236.149 0:0:0:0:0:ffff:c78a:ec95
199.138.236.150 0:0:0:0:0:ffff:c78a:ec96
199.138.236.151 0:0:0:0:0:ffff:c78a:ec97
199.138.236.152 0:0:0:0:0:ffff:c78a:ec98
199.138.236.153 0:0:0:0:0:ffff:c78a:ec99
199.138.236.154 0:0:0:0:0:ffff:c78a:ec9a
199.138.236.155 0:0:0:0:0:ffff:c78a:ec9b
199.138.236.156 0:0:0:0:0:ffff:c78a:ec9c
199.138.236.157 0:0:0:0:0:ffff:c78a:ec9d
199.138.236.158 0:0:0:0:0:ffff:c78a:ec9e
199.138.236.159 0:0:0:0:0:ffff:c78a:ec9f
199.138.236.160 0:0:0:0:0:ffff:c78a:eca0
199.138.236.161 0:0:0:0:0:ffff:c78a:eca1
199.138.236.162 0:0:0:0:0:ffff:c78a:eca2
199.138.236.163 0:0:0:0:0:ffff:c78a:eca3
199.138.236.164 0:0:0:0:0:ffff:c78a:eca4
199.138.236.165 0:0:0:0:0:ffff:c78a:eca5
199.138.236.166 0:0:0:0:0:ffff:c78a:eca6
199.138.236.167 0:0:0:0:0:ffff:c78a:eca7
199.138.236.168 0:0:0:0:0:ffff:c78a:eca8
199.138.236.169 0:0:0:0:0:ffff:c78a:eca9
199.138.236.170 0:0:0:0:0:ffff:c78a:ecaa
199.138.236.171 0:0:0:0:0:ffff:c78a:ecab
199.138.236.172 0:0:0:0:0:ffff:c78a:ecac
199.138.236.173 0:0:0:0:0:ffff:c78a:ecad
199.138.236.174 0:0:0:0:0:ffff:c78a:ecae
199.138.236.175 0:0:0:0:0:ffff:c78a:ecaf
199.138.236.176 0:0:0:0:0:ffff:c78a:ecb0
199.138.236.177 0:0:0:0:0:ffff:c78a:ecb1
199.138.236.178 0:0:0:0:0:ffff:c78a:ecb2
199.138.236.179 0:0:0:0:0:ffff:c78a:ecb3
199.138.236.180 0:0:0:0:0:ffff:c78a:ecb4


199.138.236.181 0:0:0:0:0:ffff:c78a:ecb5
199.138.236.182 0:0:0:0:0:ffff:c78a:ecb6
199.138.236.183 0:0:0:0:0:ffff:c78a:ecb7
199.138.236.184 0:0:0:0:0:ffff:c78a:ecb8
199.138.236.185 0:0:0:0:0:ffff:c78a:ecb9
199.138.236.186 0:0:0:0:0:ffff:c78a:ecba
199.138.236.187 0:0:0:0:0:ffff:c78a:ecbb
199.138.236.188 0:0:0:0:0:ffff:c78a:ecbc
199.138.236.189 0:0:0:0:0:ffff:c78a:ecbd
199.138.236.190 0:0:0:0:0:ffff:c78a:ecbe
199.138.236.191 0:0:0:0:0:ffff:c78a:ecbf
199.138.236.192 0:0:0:0:0:ffff:c78a:ecc0
199.138.236.193 0:0:0:0:0:ffff:c78a:ecc1
199.138.236.194 0:0:0:0:0:ffff:c78a:ecc2
199.138.236.195 0:0:0:0:0:ffff:c78a:ecc3
199.138.236.196 0:0:0:0:0:ffff:c78a:ecc4
199.138.236.197 0:0:0:0:0:ffff:c78a:ecc5
199.138.236.198 0:0:0:0:0:ffff:c78a:ecc6
199.138.236.199 0:0:0:0:0:ffff:c78a:ecc7
199.138.236.200 0:0:0:0:0:ffff:c78a:ecc8
199.138.236.201 0:0:0:0:0:ffff:c78a:ecc9
199.138.236.202 0:0:0:0:0:ffff:c78a:ecca
199.138.236.203 0:0:0:0:0:ffff:c78a:eccb
199.138.236.204 0:0:0:0:0:ffff:c78a:eccc
199.138.236.205 0:0:0:0:0:ffff:c78a:eccd
199.138.236.206 0:0:0:0:0:ffff:c78a:ecce
199.138.236.207 0:0:0:0:0:ffff:c78a:eccf
199.138.236.208 0:0:0:0:0:ffff:c78a:ecd0
199.138.236.209 0:0:0:0:0:ffff:c78a:ecd1
199.138.236.210 0:0:0:0:0:ffff:c78a:ecd2
199.138.236.211 0:0:0:0:0:ffff:c78a:ecd3
199.138.236.212 0:0:0:0:0:ffff:c78a:ecd4
199.138.236.213 0:0:0:0:0:ffff:c78a:ecd5
199.138.236.214 0:0:0:0:0:ffff:c78a:ecd6
199.138.236.215 0:0:0:0:0:ffff:c78a:ecd7
199.138.236.216 0:0:0:0:0:ffff:c78a:ecd8
199.138.236.217 0:0:0:0:0:ffff:c78a:ecd9
199.138.236.218 0:0:0:0:0:ffff:c78a:ecda
199.138.236.219 0:0:0:0:0:ffff:c78a:ecdb
199.138.236.220 0:0:0:0:0:ffff:c78a:ecdc
199.138.236.221 0:0:0:0:0:ffff:c78a:ecdd
199.138.236.222 0:0:0:0:0:ffff:c78a:ecde
199.138.236.223 0:0:0:0:0:ffff:c78a:ecdf
199.138.236.224 0:0:0:0:0:ffff:c78a:ece0
199.138.236.225 0:0:0:0:0:ffff:c78a:ece1
199.138.236.226 0:0:0:0:0:ffff:c78a:ece2
199.138.236.227 0:0:0:0:0:ffff:c78a:ece3
199.138.236.228 0:0:0:0:0:ffff:c78a:ece4
199.138.236.229 0:0:0:0:0:ffff:c78a:ece5
199.138.236.230 0:0:0:0:0:ffff:c78a:ece6
199.138.236.231 0:0:0:0:0:ffff:c78a:ece7
199.138.236.232 0:0:0:0:0:ffff:c78a:ece8
199.138.236.233 0:0:0:0:0:ffff:c78a:ece9
199.138.236.234 0:0:0:0:0:ffff:c78a:ecea
199.138.236.235 0:0:0:0:0:ffff:c78a:eceb
199.138.236.236 0:0:0:0:0:ffff:c78a:ecec
199.138.236.237 0:0:0:0:0:ffff:c78a:eced
199.138.236.238 0:0:0:0:0:ffff:c78a:ecee
199.138.236.239 0:0:0:0:0:ffff:c78a:ecef
199.138.236.240 0:0:0:0:0:ffff:c78a:ecf0
199.138.236.241 0:0:0:0:0:ffff:c78a:ecf1
199.138.236.242 0:0:0:0:0:ffff:c78a:ecf2
199.138.236.243 0:0:0:0:0:ffff:c78a:ecf3
199.138.236.244 0:0:0:0:0:ffff:c78a:ecf4
199.138.236.245 0:0:0:0:0:ffff:c78a:ecf5
199.138.236.246 0:0:0:0:0:ffff:c78a:ecf6
199.138.236.247 0:0:0:0:0:ffff:c78a:ecf7
199.138.236.248 0:0:0:0:0:ffff:c78a:ecf8
199.138.236.249 0:0:0:0:0:ffff:c78a:ecf9
199.138.236.250 0:0:0:0:0:ffff:c78a:ecfa
199.138.236.251 0:0:0:0:0:ffff:c78a:ecfb
199.138.236.252 0:0:0:0:0:ffff:c78a:ecfc
199.138.236.253 0:0:0:0:0:ffff:c78a:ecfd
199.138.236.254 0:0:0:0:0:ffff:c78a:ecfe
199.138.236.255 0:0:0:0:0:ffff:c78a:ecff


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.