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
155.38.191.1 0:0:0:0:0:ffff:9b26:bf01
155.38.191.2 0:0:0:0:0:ffff:9b26:bf02
155.38.191.3 0:0:0:0:0:ffff:9b26:bf03
155.38.191.4 0:0:0:0:0:ffff:9b26:bf04
155.38.191.5 0:0:0:0:0:ffff:9b26:bf05
155.38.191.6 0:0:0:0:0:ffff:9b26:bf06
155.38.191.7 0:0:0:0:0:ffff:9b26:bf07
155.38.191.8 0:0:0:0:0:ffff:9b26:bf08
155.38.191.9 0:0:0:0:0:ffff:9b26:bf09
155.38.191.10 0:0:0:0:0:ffff:9b26:bf0a
155.38.191.11 0:0:0:0:0:ffff:9b26:bf0b
155.38.191.12 0:0:0:0:0:ffff:9b26:bf0c
155.38.191.13 0:0:0:0:0:ffff:9b26:bf0d
155.38.191.14 0:0:0:0:0:ffff:9b26:bf0e
155.38.191.15 0:0:0:0:0:ffff:9b26:bf0f
155.38.191.16 0:0:0:0:0:ffff:9b26:bf10
155.38.191.17 0:0:0:0:0:ffff:9b26:bf11
155.38.191.18 0:0:0:0:0:ffff:9b26:bf12
155.38.191.19 0:0:0:0:0:ffff:9b26:bf13
155.38.191.20 0:0:0:0:0:ffff:9b26:bf14
155.38.191.21 0:0:0:0:0:ffff:9b26:bf15
155.38.191.22 0:0:0:0:0:ffff:9b26:bf16
155.38.191.23 0:0:0:0:0:ffff:9b26:bf17
155.38.191.24 0:0:0:0:0:ffff:9b26:bf18
155.38.191.25 0:0:0:0:0:ffff:9b26:bf19
155.38.191.26 0:0:0:0:0:ffff:9b26:bf1a
155.38.191.27 0:0:0:0:0:ffff:9b26:bf1b
155.38.191.28 0:0:0:0:0:ffff:9b26:bf1c
155.38.191.29 0:0:0:0:0:ffff:9b26:bf1d
155.38.191.30 0:0:0:0:0:ffff:9b26:bf1e
155.38.191.31 0:0:0:0:0:ffff:9b26:bf1f
155.38.191.32 0:0:0:0:0:ffff:9b26:bf20
155.38.191.33 0:0:0:0:0:ffff:9b26:bf21
155.38.191.34 0:0:0:0:0:ffff:9b26:bf22
155.38.191.35 0:0:0:0:0:ffff:9b26:bf23
155.38.191.36 0:0:0:0:0:ffff:9b26:bf24
155.38.191.37 0:0:0:0:0:ffff:9b26:bf25
155.38.191.38 0:0:0:0:0:ffff:9b26:bf26
155.38.191.39 0:0:0:0:0:ffff:9b26:bf27
155.38.191.40 0:0:0:0:0:ffff:9b26:bf28
155.38.191.41 0:0:0:0:0:ffff:9b26:bf29
155.38.191.42 0:0:0:0:0:ffff:9b26:bf2a
155.38.191.43 0:0:0:0:0:ffff:9b26:bf2b
155.38.191.44 0:0:0:0:0:ffff:9b26:bf2c
155.38.191.45 0:0:0:0:0:ffff:9b26:bf2d
155.38.191.46 0:0:0:0:0:ffff:9b26:bf2e
155.38.191.47 0:0:0:0:0:ffff:9b26:bf2f
155.38.191.48 0:0:0:0:0:ffff:9b26:bf30
155.38.191.49 0:0:0:0:0:ffff:9b26:bf31
155.38.191.50 0:0:0:0:0:ffff:9b26:bf32
155.38.191.51 0:0:0:0:0:ffff:9b26:bf33
155.38.191.52 0:0:0:0:0:ffff:9b26:bf34
155.38.191.53 0:0:0:0:0:ffff:9b26:bf35
155.38.191.54 0:0:0:0:0:ffff:9b26:bf36
155.38.191.55 0:0:0:0:0:ffff:9b26:bf37
155.38.191.56 0:0:0:0:0:ffff:9b26:bf38
155.38.191.57 0:0:0:0:0:ffff:9b26:bf39
155.38.191.58 0:0:0:0:0:ffff:9b26:bf3a
155.38.191.59 0:0:0:0:0:ffff:9b26:bf3b
155.38.191.60 0:0:0:0:0:ffff:9b26:bf3c


155.38.191.61 0:0:0:0:0:ffff:9b26:bf3d
155.38.191.62 0:0:0:0:0:ffff:9b26:bf3e
155.38.191.63 0:0:0:0:0:ffff:9b26:bf3f
155.38.191.64 0:0:0:0:0:ffff:9b26:bf40
155.38.191.65 0:0:0:0:0:ffff:9b26:bf41
155.38.191.66 0:0:0:0:0:ffff:9b26:bf42
155.38.191.67 0:0:0:0:0:ffff:9b26:bf43
155.38.191.68 0:0:0:0:0:ffff:9b26:bf44
155.38.191.69 0:0:0:0:0:ffff:9b26:bf45
155.38.191.70 0:0:0:0:0:ffff:9b26:bf46
155.38.191.71 0:0:0:0:0:ffff:9b26:bf47
155.38.191.72 0:0:0:0:0:ffff:9b26:bf48
155.38.191.73 0:0:0:0:0:ffff:9b26:bf49
155.38.191.74 0:0:0:0:0:ffff:9b26:bf4a
155.38.191.75 0:0:0:0:0:ffff:9b26:bf4b
155.38.191.76 0:0:0:0:0:ffff:9b26:bf4c
155.38.191.77 0:0:0:0:0:ffff:9b26:bf4d
155.38.191.78 0:0:0:0:0:ffff:9b26:bf4e
155.38.191.79 0:0:0:0:0:ffff:9b26:bf4f
155.38.191.80 0:0:0:0:0:ffff:9b26:bf50
155.38.191.81 0:0:0:0:0:ffff:9b26:bf51
155.38.191.82 0:0:0:0:0:ffff:9b26:bf52
155.38.191.83 0:0:0:0:0:ffff:9b26:bf53
155.38.191.84 0:0:0:0:0:ffff:9b26:bf54
155.38.191.85 0:0:0:0:0:ffff:9b26:bf55
155.38.191.86 0:0:0:0:0:ffff:9b26:bf56
155.38.191.87 0:0:0:0:0:ffff:9b26:bf57
155.38.191.88 0:0:0:0:0:ffff:9b26:bf58
155.38.191.89 0:0:0:0:0:ffff:9b26:bf59
155.38.191.90 0:0:0:0:0:ffff:9b26:bf5a
155.38.191.91 0:0:0:0:0:ffff:9b26:bf5b
155.38.191.92 0:0:0:0:0:ffff:9b26:bf5c
155.38.191.93 0:0:0:0:0:ffff:9b26:bf5d
155.38.191.94 0:0:0:0:0:ffff:9b26:bf5e
155.38.191.95 0:0:0:0:0:ffff:9b26:bf5f
155.38.191.96 0:0:0:0:0:ffff:9b26:bf60
155.38.191.97 0:0:0:0:0:ffff:9b26:bf61
155.38.191.98 0:0:0:0:0:ffff:9b26:bf62
155.38.191.99 0:0:0:0:0:ffff:9b26:bf63
155.38.191.100 0:0:0:0:0:ffff:9b26:bf64
155.38.191.101 0:0:0:0:0:ffff:9b26:bf65
155.38.191.102 0:0:0:0:0:ffff:9b26:bf66
155.38.191.103 0:0:0:0:0:ffff:9b26:bf67
155.38.191.104 0:0:0:0:0:ffff:9b26:bf68
155.38.191.105 0:0:0:0:0:ffff:9b26:bf69
155.38.191.106 0:0:0:0:0:ffff:9b26:bf6a
155.38.191.107 0:0:0:0:0:ffff:9b26:bf6b
155.38.191.108 0:0:0:0:0:ffff:9b26:bf6c
155.38.191.109 0:0:0:0:0:ffff:9b26:bf6d
155.38.191.110 0:0:0:0:0:ffff:9b26:bf6e
155.38.191.111 0:0:0:0:0:ffff:9b26:bf6f
155.38.191.112 0:0:0:0:0:ffff:9b26:bf70
155.38.191.113 0:0:0:0:0:ffff:9b26:bf71
155.38.191.114 0:0:0:0:0:ffff:9b26:bf72
155.38.191.115 0:0:0:0:0:ffff:9b26:bf73
155.38.191.116 0:0:0:0:0:ffff:9b26:bf74
155.38.191.117 0:0:0:0:0:ffff:9b26:bf75
155.38.191.118 0:0:0:0:0:ffff:9b26:bf76
155.38.191.119 0:0:0:0:0:ffff:9b26:bf77
155.38.191.120 0:0:0:0:0:ffff:9b26:bf78


155.38.191.121 0:0:0:0:0:ffff:9b26:bf79
155.38.191.122 0:0:0:0:0:ffff:9b26:bf7a
155.38.191.123 0:0:0:0:0:ffff:9b26:bf7b
155.38.191.124 0:0:0:0:0:ffff:9b26:bf7c
155.38.191.125 0:0:0:0:0:ffff:9b26:bf7d
155.38.191.126 0:0:0:0:0:ffff:9b26:bf7e
155.38.191.127 0:0:0:0:0:ffff:9b26:bf7f
155.38.191.128 0:0:0:0:0:ffff:9b26:bf80
155.38.191.129 0:0:0:0:0:ffff:9b26:bf81
155.38.191.130 0:0:0:0:0:ffff:9b26:bf82
155.38.191.131 0:0:0:0:0:ffff:9b26:bf83
155.38.191.132 0:0:0:0:0:ffff:9b26:bf84
155.38.191.133 0:0:0:0:0:ffff:9b26:bf85
155.38.191.134 0:0:0:0:0:ffff:9b26:bf86
155.38.191.135 0:0:0:0:0:ffff:9b26:bf87
155.38.191.136 0:0:0:0:0:ffff:9b26:bf88
155.38.191.137 0:0:0:0:0:ffff:9b26:bf89
155.38.191.138 0:0:0:0:0:ffff:9b26:bf8a
155.38.191.139 0:0:0:0:0:ffff:9b26:bf8b
155.38.191.140 0:0:0:0:0:ffff:9b26:bf8c
155.38.191.141 0:0:0:0:0:ffff:9b26:bf8d
155.38.191.142 0:0:0:0:0:ffff:9b26:bf8e
155.38.191.143 0:0:0:0:0:ffff:9b26:bf8f
155.38.191.144 0:0:0:0:0:ffff:9b26:bf90
155.38.191.145 0:0:0:0:0:ffff:9b26:bf91
155.38.191.146 0:0:0:0:0:ffff:9b26:bf92
155.38.191.147 0:0:0:0:0:ffff:9b26:bf93
155.38.191.148 0:0:0:0:0:ffff:9b26:bf94
155.38.191.149 0:0:0:0:0:ffff:9b26:bf95
155.38.191.150 0:0:0:0:0:ffff:9b26:bf96
155.38.191.151 0:0:0:0:0:ffff:9b26:bf97
155.38.191.152 0:0:0:0:0:ffff:9b26:bf98
155.38.191.153 0:0:0:0:0:ffff:9b26:bf99
155.38.191.154 0:0:0:0:0:ffff:9b26:bf9a
155.38.191.155 0:0:0:0:0:ffff:9b26:bf9b
155.38.191.156 0:0:0:0:0:ffff:9b26:bf9c
155.38.191.157 0:0:0:0:0:ffff:9b26:bf9d
155.38.191.158 0:0:0:0:0:ffff:9b26:bf9e
155.38.191.159 0:0:0:0:0:ffff:9b26:bf9f
155.38.191.160 0:0:0:0:0:ffff:9b26:bfa0
155.38.191.161 0:0:0:0:0:ffff:9b26:bfa1
155.38.191.162 0:0:0:0:0:ffff:9b26:bfa2
155.38.191.163 0:0:0:0:0:ffff:9b26:bfa3
155.38.191.164 0:0:0:0:0:ffff:9b26:bfa4
155.38.191.165 0:0:0:0:0:ffff:9b26:bfa5
155.38.191.166 0:0:0:0:0:ffff:9b26:bfa6
155.38.191.167 0:0:0:0:0:ffff:9b26:bfa7
155.38.191.168 0:0:0:0:0:ffff:9b26:bfa8
155.38.191.169 0:0:0:0:0:ffff:9b26:bfa9
155.38.191.170 0:0:0:0:0:ffff:9b26:bfaa
155.38.191.171 0:0:0:0:0:ffff:9b26:bfab
155.38.191.172 0:0:0:0:0:ffff:9b26:bfac
155.38.191.173 0:0:0:0:0:ffff:9b26:bfad
155.38.191.174 0:0:0:0:0:ffff:9b26:bfae
155.38.191.175 0:0:0:0:0:ffff:9b26:bfaf
155.38.191.176 0:0:0:0:0:ffff:9b26:bfb0
155.38.191.177 0:0:0:0:0:ffff:9b26:bfb1
155.38.191.178 0:0:0:0:0:ffff:9b26:bfb2
155.38.191.179 0:0:0:0:0:ffff:9b26:bfb3
155.38.191.180 0:0:0:0:0:ffff:9b26:bfb4


155.38.191.181 0:0:0:0:0:ffff:9b26:bfb5
155.38.191.182 0:0:0:0:0:ffff:9b26:bfb6
155.38.191.183 0:0:0:0:0:ffff:9b26:bfb7
155.38.191.184 0:0:0:0:0:ffff:9b26:bfb8
155.38.191.185 0:0:0:0:0:ffff:9b26:bfb9
155.38.191.186 0:0:0:0:0:ffff:9b26:bfba
155.38.191.187 0:0:0:0:0:ffff:9b26:bfbb
155.38.191.188 0:0:0:0:0:ffff:9b26:bfbc
155.38.191.189 0:0:0:0:0:ffff:9b26:bfbd
155.38.191.190 0:0:0:0:0:ffff:9b26:bfbe
155.38.191.191 0:0:0:0:0:ffff:9b26:bfbf
155.38.191.192 0:0:0:0:0:ffff:9b26:bfc0
155.38.191.193 0:0:0:0:0:ffff:9b26:bfc1
155.38.191.194 0:0:0:0:0:ffff:9b26:bfc2
155.38.191.195 0:0:0:0:0:ffff:9b26:bfc3
155.38.191.196 0:0:0:0:0:ffff:9b26:bfc4
155.38.191.197 0:0:0:0:0:ffff:9b26:bfc5
155.38.191.198 0:0:0:0:0:ffff:9b26:bfc6
155.38.191.199 0:0:0:0:0:ffff:9b26:bfc7
155.38.191.200 0:0:0:0:0:ffff:9b26:bfc8
155.38.191.201 0:0:0:0:0:ffff:9b26:bfc9
155.38.191.202 0:0:0:0:0:ffff:9b26:bfca
155.38.191.203 0:0:0:0:0:ffff:9b26:bfcb
155.38.191.204 0:0:0:0:0:ffff:9b26:bfcc
155.38.191.205 0:0:0:0:0:ffff:9b26:bfcd
155.38.191.206 0:0:0:0:0:ffff:9b26:bfce
155.38.191.207 0:0:0:0:0:ffff:9b26:bfcf
155.38.191.208 0:0:0:0:0:ffff:9b26:bfd0
155.38.191.209 0:0:0:0:0:ffff:9b26:bfd1
155.38.191.210 0:0:0:0:0:ffff:9b26:bfd2
155.38.191.211 0:0:0:0:0:ffff:9b26:bfd3
155.38.191.212 0:0:0:0:0:ffff:9b26:bfd4
155.38.191.213 0:0:0:0:0:ffff:9b26:bfd5
155.38.191.214 0:0:0:0:0:ffff:9b26:bfd6
155.38.191.215 0:0:0:0:0:ffff:9b26:bfd7
155.38.191.216 0:0:0:0:0:ffff:9b26:bfd8
155.38.191.217 0:0:0:0:0:ffff:9b26:bfd9
155.38.191.218 0:0:0:0:0:ffff:9b26:bfda
155.38.191.219 0:0:0:0:0:ffff:9b26:bfdb
155.38.191.220 0:0:0:0:0:ffff:9b26:bfdc
155.38.191.221 0:0:0:0:0:ffff:9b26:bfdd
155.38.191.222 0:0:0:0:0:ffff:9b26:bfde
155.38.191.223 0:0:0:0:0:ffff:9b26:bfdf
155.38.191.224 0:0:0:0:0:ffff:9b26:bfe0
155.38.191.225 0:0:0:0:0:ffff:9b26:bfe1
155.38.191.226 0:0:0:0:0:ffff:9b26:bfe2
155.38.191.227 0:0:0:0:0:ffff:9b26:bfe3
155.38.191.228 0:0:0:0:0:ffff:9b26:bfe4
155.38.191.229 0:0:0:0:0:ffff:9b26:bfe5
155.38.191.230 0:0:0:0:0:ffff:9b26:bfe6
155.38.191.231 0:0:0:0:0:ffff:9b26:bfe7
155.38.191.232 0:0:0:0:0:ffff:9b26:bfe8
155.38.191.233 0:0:0:0:0:ffff:9b26:bfe9
155.38.191.234 0:0:0:0:0:ffff:9b26:bfea
155.38.191.235 0:0:0:0:0:ffff:9b26:bfeb
155.38.191.236 0:0:0:0:0:ffff:9b26:bfec
155.38.191.237 0:0:0:0:0:ffff:9b26:bfed
155.38.191.238 0:0:0:0:0:ffff:9b26:bfee
155.38.191.239 0:0:0:0:0:ffff:9b26:bfef
155.38.191.240 0:0:0:0:0:ffff:9b26:bff0
155.38.191.241 0:0:0:0:0:ffff:9b26:bff1
155.38.191.242 0:0:0:0:0:ffff:9b26:bff2
155.38.191.243 0:0:0:0:0:ffff:9b26:bff3
155.38.191.244 0:0:0:0:0:ffff:9b26:bff4
155.38.191.245 0:0:0:0:0:ffff:9b26:bff5
155.38.191.246 0:0:0:0:0:ffff:9b26:bff6
155.38.191.247 0:0:0:0:0:ffff:9b26:bff7
155.38.191.248 0:0:0:0:0:ffff:9b26:bff8
155.38.191.249 0:0:0:0:0:ffff:9b26:bff9
155.38.191.250 0:0:0:0:0:ffff:9b26:bffa
155.38.191.251 0:0:0:0:0:ffff:9b26:bffb
155.38.191.252 0:0:0:0:0:ffff:9b26:bffc
155.38.191.253 0:0:0:0:0:ffff:9b26:bffd
155.38.191.254 0:0:0:0:0:ffff:9b26:bffe
155.38.191.255 0:0:0:0:0:ffff:9b26: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.