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
127.73.189.1 0:0:0:0:0:ffff:7f49:bd01
127.73.189.2 0:0:0:0:0:ffff:7f49:bd02
127.73.189.3 0:0:0:0:0:ffff:7f49:bd03
127.73.189.4 0:0:0:0:0:ffff:7f49:bd04
127.73.189.5 0:0:0:0:0:ffff:7f49:bd05
127.73.189.6 0:0:0:0:0:ffff:7f49:bd06
127.73.189.7 0:0:0:0:0:ffff:7f49:bd07
127.73.189.8 0:0:0:0:0:ffff:7f49:bd08
127.73.189.9 0:0:0:0:0:ffff:7f49:bd09
127.73.189.10 0:0:0:0:0:ffff:7f49:bd0a
127.73.189.11 0:0:0:0:0:ffff:7f49:bd0b
127.73.189.12 0:0:0:0:0:ffff:7f49:bd0c
127.73.189.13 0:0:0:0:0:ffff:7f49:bd0d
127.73.189.14 0:0:0:0:0:ffff:7f49:bd0e
127.73.189.15 0:0:0:0:0:ffff:7f49:bd0f
127.73.189.16 0:0:0:0:0:ffff:7f49:bd10
127.73.189.17 0:0:0:0:0:ffff:7f49:bd11
127.73.189.18 0:0:0:0:0:ffff:7f49:bd12
127.73.189.19 0:0:0:0:0:ffff:7f49:bd13
127.73.189.20 0:0:0:0:0:ffff:7f49:bd14
127.73.189.21 0:0:0:0:0:ffff:7f49:bd15
127.73.189.22 0:0:0:0:0:ffff:7f49:bd16
127.73.189.23 0:0:0:0:0:ffff:7f49:bd17
127.73.189.24 0:0:0:0:0:ffff:7f49:bd18
127.73.189.25 0:0:0:0:0:ffff:7f49:bd19
127.73.189.26 0:0:0:0:0:ffff:7f49:bd1a
127.73.189.27 0:0:0:0:0:ffff:7f49:bd1b
127.73.189.28 0:0:0:0:0:ffff:7f49:bd1c
127.73.189.29 0:0:0:0:0:ffff:7f49:bd1d
127.73.189.30 0:0:0:0:0:ffff:7f49:bd1e
127.73.189.31 0:0:0:0:0:ffff:7f49:bd1f
127.73.189.32 0:0:0:0:0:ffff:7f49:bd20
127.73.189.33 0:0:0:0:0:ffff:7f49:bd21
127.73.189.34 0:0:0:0:0:ffff:7f49:bd22
127.73.189.35 0:0:0:0:0:ffff:7f49:bd23
127.73.189.36 0:0:0:0:0:ffff:7f49:bd24
127.73.189.37 0:0:0:0:0:ffff:7f49:bd25
127.73.189.38 0:0:0:0:0:ffff:7f49:bd26
127.73.189.39 0:0:0:0:0:ffff:7f49:bd27
127.73.189.40 0:0:0:0:0:ffff:7f49:bd28
127.73.189.41 0:0:0:0:0:ffff:7f49:bd29
127.73.189.42 0:0:0:0:0:ffff:7f49:bd2a
127.73.189.43 0:0:0:0:0:ffff:7f49:bd2b
127.73.189.44 0:0:0:0:0:ffff:7f49:bd2c
127.73.189.45 0:0:0:0:0:ffff:7f49:bd2d
127.73.189.46 0:0:0:0:0:ffff:7f49:bd2e
127.73.189.47 0:0:0:0:0:ffff:7f49:bd2f
127.73.189.48 0:0:0:0:0:ffff:7f49:bd30
127.73.189.49 0:0:0:0:0:ffff:7f49:bd31
127.73.189.50 0:0:0:0:0:ffff:7f49:bd32
127.73.189.51 0:0:0:0:0:ffff:7f49:bd33
127.73.189.52 0:0:0:0:0:ffff:7f49:bd34
127.73.189.53 0:0:0:0:0:ffff:7f49:bd35
127.73.189.54 0:0:0:0:0:ffff:7f49:bd36
127.73.189.55 0:0:0:0:0:ffff:7f49:bd37
127.73.189.56 0:0:0:0:0:ffff:7f49:bd38
127.73.189.57 0:0:0:0:0:ffff:7f49:bd39
127.73.189.58 0:0:0:0:0:ffff:7f49:bd3a
127.73.189.59 0:0:0:0:0:ffff:7f49:bd3b
127.73.189.60 0:0:0:0:0:ffff:7f49:bd3c


127.73.189.61 0:0:0:0:0:ffff:7f49:bd3d
127.73.189.62 0:0:0:0:0:ffff:7f49:bd3e
127.73.189.63 0:0:0:0:0:ffff:7f49:bd3f
127.73.189.64 0:0:0:0:0:ffff:7f49:bd40
127.73.189.65 0:0:0:0:0:ffff:7f49:bd41
127.73.189.66 0:0:0:0:0:ffff:7f49:bd42
127.73.189.67 0:0:0:0:0:ffff:7f49:bd43
127.73.189.68 0:0:0:0:0:ffff:7f49:bd44
127.73.189.69 0:0:0:0:0:ffff:7f49:bd45
127.73.189.70 0:0:0:0:0:ffff:7f49:bd46
127.73.189.71 0:0:0:0:0:ffff:7f49:bd47
127.73.189.72 0:0:0:0:0:ffff:7f49:bd48
127.73.189.73 0:0:0:0:0:ffff:7f49:bd49
127.73.189.74 0:0:0:0:0:ffff:7f49:bd4a
127.73.189.75 0:0:0:0:0:ffff:7f49:bd4b
127.73.189.76 0:0:0:0:0:ffff:7f49:bd4c
127.73.189.77 0:0:0:0:0:ffff:7f49:bd4d
127.73.189.78 0:0:0:0:0:ffff:7f49:bd4e
127.73.189.79 0:0:0:0:0:ffff:7f49:bd4f
127.73.189.80 0:0:0:0:0:ffff:7f49:bd50
127.73.189.81 0:0:0:0:0:ffff:7f49:bd51
127.73.189.82 0:0:0:0:0:ffff:7f49:bd52
127.73.189.83 0:0:0:0:0:ffff:7f49:bd53
127.73.189.84 0:0:0:0:0:ffff:7f49:bd54
127.73.189.85 0:0:0:0:0:ffff:7f49:bd55
127.73.189.86 0:0:0:0:0:ffff:7f49:bd56
127.73.189.87 0:0:0:0:0:ffff:7f49:bd57
127.73.189.88 0:0:0:0:0:ffff:7f49:bd58
127.73.189.89 0:0:0:0:0:ffff:7f49:bd59
127.73.189.90 0:0:0:0:0:ffff:7f49:bd5a
127.73.189.91 0:0:0:0:0:ffff:7f49:bd5b
127.73.189.92 0:0:0:0:0:ffff:7f49:bd5c
127.73.189.93 0:0:0:0:0:ffff:7f49:bd5d
127.73.189.94 0:0:0:0:0:ffff:7f49:bd5e
127.73.189.95 0:0:0:0:0:ffff:7f49:bd5f
127.73.189.96 0:0:0:0:0:ffff:7f49:bd60
127.73.189.97 0:0:0:0:0:ffff:7f49:bd61
127.73.189.98 0:0:0:0:0:ffff:7f49:bd62
127.73.189.99 0:0:0:0:0:ffff:7f49:bd63
127.73.189.100 0:0:0:0:0:ffff:7f49:bd64
127.73.189.101 0:0:0:0:0:ffff:7f49:bd65
127.73.189.102 0:0:0:0:0:ffff:7f49:bd66
127.73.189.103 0:0:0:0:0:ffff:7f49:bd67
127.73.189.104 0:0:0:0:0:ffff:7f49:bd68
127.73.189.105 0:0:0:0:0:ffff:7f49:bd69
127.73.189.106 0:0:0:0:0:ffff:7f49:bd6a
127.73.189.107 0:0:0:0:0:ffff:7f49:bd6b
127.73.189.108 0:0:0:0:0:ffff:7f49:bd6c
127.73.189.109 0:0:0:0:0:ffff:7f49:bd6d
127.73.189.110 0:0:0:0:0:ffff:7f49:bd6e
127.73.189.111 0:0:0:0:0:ffff:7f49:bd6f
127.73.189.112 0:0:0:0:0:ffff:7f49:bd70
127.73.189.113 0:0:0:0:0:ffff:7f49:bd71
127.73.189.114 0:0:0:0:0:ffff:7f49:bd72
127.73.189.115 0:0:0:0:0:ffff:7f49:bd73
127.73.189.116 0:0:0:0:0:ffff:7f49:bd74
127.73.189.117 0:0:0:0:0:ffff:7f49:bd75
127.73.189.118 0:0:0:0:0:ffff:7f49:bd76
127.73.189.119 0:0:0:0:0:ffff:7f49:bd77
127.73.189.120 0:0:0:0:0:ffff:7f49:bd78


127.73.189.121 0:0:0:0:0:ffff:7f49:bd79
127.73.189.122 0:0:0:0:0:ffff:7f49:bd7a
127.73.189.123 0:0:0:0:0:ffff:7f49:bd7b
127.73.189.124 0:0:0:0:0:ffff:7f49:bd7c
127.73.189.125 0:0:0:0:0:ffff:7f49:bd7d
127.73.189.126 0:0:0:0:0:ffff:7f49:bd7e
127.73.189.127 0:0:0:0:0:ffff:7f49:bd7f
127.73.189.128 0:0:0:0:0:ffff:7f49:bd80
127.73.189.129 0:0:0:0:0:ffff:7f49:bd81
127.73.189.130 0:0:0:0:0:ffff:7f49:bd82
127.73.189.131 0:0:0:0:0:ffff:7f49:bd83
127.73.189.132 0:0:0:0:0:ffff:7f49:bd84
127.73.189.133 0:0:0:0:0:ffff:7f49:bd85
127.73.189.134 0:0:0:0:0:ffff:7f49:bd86
127.73.189.135 0:0:0:0:0:ffff:7f49:bd87
127.73.189.136 0:0:0:0:0:ffff:7f49:bd88
127.73.189.137 0:0:0:0:0:ffff:7f49:bd89
127.73.189.138 0:0:0:0:0:ffff:7f49:bd8a
127.73.189.139 0:0:0:0:0:ffff:7f49:bd8b
127.73.189.140 0:0:0:0:0:ffff:7f49:bd8c
127.73.189.141 0:0:0:0:0:ffff:7f49:bd8d
127.73.189.142 0:0:0:0:0:ffff:7f49:bd8e
127.73.189.143 0:0:0:0:0:ffff:7f49:bd8f
127.73.189.144 0:0:0:0:0:ffff:7f49:bd90
127.73.189.145 0:0:0:0:0:ffff:7f49:bd91
127.73.189.146 0:0:0:0:0:ffff:7f49:bd92
127.73.189.147 0:0:0:0:0:ffff:7f49:bd93
127.73.189.148 0:0:0:0:0:ffff:7f49:bd94
127.73.189.149 0:0:0:0:0:ffff:7f49:bd95
127.73.189.150 0:0:0:0:0:ffff:7f49:bd96
127.73.189.151 0:0:0:0:0:ffff:7f49:bd97
127.73.189.152 0:0:0:0:0:ffff:7f49:bd98
127.73.189.153 0:0:0:0:0:ffff:7f49:bd99
127.73.189.154 0:0:0:0:0:ffff:7f49:bd9a
127.73.189.155 0:0:0:0:0:ffff:7f49:bd9b
127.73.189.156 0:0:0:0:0:ffff:7f49:bd9c
127.73.189.157 0:0:0:0:0:ffff:7f49:bd9d
127.73.189.158 0:0:0:0:0:ffff:7f49:bd9e
127.73.189.159 0:0:0:0:0:ffff:7f49:bd9f
127.73.189.160 0:0:0:0:0:ffff:7f49:bda0
127.73.189.161 0:0:0:0:0:ffff:7f49:bda1
127.73.189.162 0:0:0:0:0:ffff:7f49:bda2
127.73.189.163 0:0:0:0:0:ffff:7f49:bda3
127.73.189.164 0:0:0:0:0:ffff:7f49:bda4
127.73.189.165 0:0:0:0:0:ffff:7f49:bda5
127.73.189.166 0:0:0:0:0:ffff:7f49:bda6
127.73.189.167 0:0:0:0:0:ffff:7f49:bda7
127.73.189.168 0:0:0:0:0:ffff:7f49:bda8
127.73.189.169 0:0:0:0:0:ffff:7f49:bda9
127.73.189.170 0:0:0:0:0:ffff:7f49:bdaa
127.73.189.171 0:0:0:0:0:ffff:7f49:bdab
127.73.189.172 0:0:0:0:0:ffff:7f49:bdac
127.73.189.173 0:0:0:0:0:ffff:7f49:bdad
127.73.189.174 0:0:0:0:0:ffff:7f49:bdae
127.73.189.175 0:0:0:0:0:ffff:7f49:bdaf
127.73.189.176 0:0:0:0:0:ffff:7f49:bdb0
127.73.189.177 0:0:0:0:0:ffff:7f49:bdb1
127.73.189.178 0:0:0:0:0:ffff:7f49:bdb2
127.73.189.179 0:0:0:0:0:ffff:7f49:bdb3
127.73.189.180 0:0:0:0:0:ffff:7f49:bdb4


127.73.189.181 0:0:0:0:0:ffff:7f49:bdb5
127.73.189.182 0:0:0:0:0:ffff:7f49:bdb6
127.73.189.183 0:0:0:0:0:ffff:7f49:bdb7
127.73.189.184 0:0:0:0:0:ffff:7f49:bdb8
127.73.189.185 0:0:0:0:0:ffff:7f49:bdb9
127.73.189.186 0:0:0:0:0:ffff:7f49:bdba
127.73.189.187 0:0:0:0:0:ffff:7f49:bdbb
127.73.189.188 0:0:0:0:0:ffff:7f49:bdbc
127.73.189.189 0:0:0:0:0:ffff:7f49:bdbd
127.73.189.190 0:0:0:0:0:ffff:7f49:bdbe
127.73.189.191 0:0:0:0:0:ffff:7f49:bdbf
127.73.189.192 0:0:0:0:0:ffff:7f49:bdc0
127.73.189.193 0:0:0:0:0:ffff:7f49:bdc1
127.73.189.194 0:0:0:0:0:ffff:7f49:bdc2
127.73.189.195 0:0:0:0:0:ffff:7f49:bdc3
127.73.189.196 0:0:0:0:0:ffff:7f49:bdc4
127.73.189.197 0:0:0:0:0:ffff:7f49:bdc5
127.73.189.198 0:0:0:0:0:ffff:7f49:bdc6
127.73.189.199 0:0:0:0:0:ffff:7f49:bdc7
127.73.189.200 0:0:0:0:0:ffff:7f49:bdc8
127.73.189.201 0:0:0:0:0:ffff:7f49:bdc9
127.73.189.202 0:0:0:0:0:ffff:7f49:bdca
127.73.189.203 0:0:0:0:0:ffff:7f49:bdcb
127.73.189.204 0:0:0:0:0:ffff:7f49:bdcc
127.73.189.205 0:0:0:0:0:ffff:7f49:bdcd
127.73.189.206 0:0:0:0:0:ffff:7f49:bdce
127.73.189.207 0:0:0:0:0:ffff:7f49:bdcf
127.73.189.208 0:0:0:0:0:ffff:7f49:bdd0
127.73.189.209 0:0:0:0:0:ffff:7f49:bdd1
127.73.189.210 0:0:0:0:0:ffff:7f49:bdd2
127.73.189.211 0:0:0:0:0:ffff:7f49:bdd3
127.73.189.212 0:0:0:0:0:ffff:7f49:bdd4
127.73.189.213 0:0:0:0:0:ffff:7f49:bdd5
127.73.189.214 0:0:0:0:0:ffff:7f49:bdd6
127.73.189.215 0:0:0:0:0:ffff:7f49:bdd7
127.73.189.216 0:0:0:0:0:ffff:7f49:bdd8
127.73.189.217 0:0:0:0:0:ffff:7f49:bdd9
127.73.189.218 0:0:0:0:0:ffff:7f49:bdda
127.73.189.219 0:0:0:0:0:ffff:7f49:bddb
127.73.189.220 0:0:0:0:0:ffff:7f49:bddc
127.73.189.221 0:0:0:0:0:ffff:7f49:bddd
127.73.189.222 0:0:0:0:0:ffff:7f49:bdde
127.73.189.223 0:0:0:0:0:ffff:7f49:bddf
127.73.189.224 0:0:0:0:0:ffff:7f49:bde0
127.73.189.225 0:0:0:0:0:ffff:7f49:bde1
127.73.189.226 0:0:0:0:0:ffff:7f49:bde2
127.73.189.227 0:0:0:0:0:ffff:7f49:bde3
127.73.189.228 0:0:0:0:0:ffff:7f49:bde4
127.73.189.229 0:0:0:0:0:ffff:7f49:bde5
127.73.189.230 0:0:0:0:0:ffff:7f49:bde6
127.73.189.231 0:0:0:0:0:ffff:7f49:bde7
127.73.189.232 0:0:0:0:0:ffff:7f49:bde8
127.73.189.233 0:0:0:0:0:ffff:7f49:bde9
127.73.189.234 0:0:0:0:0:ffff:7f49:bdea
127.73.189.235 0:0:0:0:0:ffff:7f49:bdeb
127.73.189.236 0:0:0:0:0:ffff:7f49:bdec
127.73.189.237 0:0:0:0:0:ffff:7f49:bded
127.73.189.238 0:0:0:0:0:ffff:7f49:bdee
127.73.189.239 0:0:0:0:0:ffff:7f49:bdef
127.73.189.240 0:0:0:0:0:ffff:7f49:bdf0
127.73.189.241 0:0:0:0:0:ffff:7f49:bdf1
127.73.189.242 0:0:0:0:0:ffff:7f49:bdf2
127.73.189.243 0:0:0:0:0:ffff:7f49:bdf3
127.73.189.244 0:0:0:0:0:ffff:7f49:bdf4
127.73.189.245 0:0:0:0:0:ffff:7f49:bdf5
127.73.189.246 0:0:0:0:0:ffff:7f49:bdf6
127.73.189.247 0:0:0:0:0:ffff:7f49:bdf7
127.73.189.248 0:0:0:0:0:ffff:7f49:bdf8
127.73.189.249 0:0:0:0:0:ffff:7f49:bdf9
127.73.189.250 0:0:0:0:0:ffff:7f49:bdfa
127.73.189.251 0:0:0:0:0:ffff:7f49:bdfb
127.73.189.252 0:0:0:0:0:ffff:7f49:bdfc
127.73.189.253 0:0:0:0:0:ffff:7f49:bdfd
127.73.189.254 0:0:0:0:0:ffff:7f49:bdfe
127.73.189.255 0:0:0:0:0:ffff:7f49:bdff


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.