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
40.73.137.1 0:0:0:0:0:ffff:2849:8901
40.73.137.2 0:0:0:0:0:ffff:2849:8902
40.73.137.3 0:0:0:0:0:ffff:2849:8903
40.73.137.4 0:0:0:0:0:ffff:2849:8904
40.73.137.5 0:0:0:0:0:ffff:2849:8905
40.73.137.6 0:0:0:0:0:ffff:2849:8906
40.73.137.7 0:0:0:0:0:ffff:2849:8907
40.73.137.8 0:0:0:0:0:ffff:2849:8908
40.73.137.9 0:0:0:0:0:ffff:2849:8909
40.73.137.10 0:0:0:0:0:ffff:2849:890a
40.73.137.11 0:0:0:0:0:ffff:2849:890b
40.73.137.12 0:0:0:0:0:ffff:2849:890c
40.73.137.13 0:0:0:0:0:ffff:2849:890d
40.73.137.14 0:0:0:0:0:ffff:2849:890e
40.73.137.15 0:0:0:0:0:ffff:2849:890f
40.73.137.16 0:0:0:0:0:ffff:2849:8910
40.73.137.17 0:0:0:0:0:ffff:2849:8911
40.73.137.18 0:0:0:0:0:ffff:2849:8912
40.73.137.19 0:0:0:0:0:ffff:2849:8913
40.73.137.20 0:0:0:0:0:ffff:2849:8914
40.73.137.21 0:0:0:0:0:ffff:2849:8915
40.73.137.22 0:0:0:0:0:ffff:2849:8916
40.73.137.23 0:0:0:0:0:ffff:2849:8917
40.73.137.24 0:0:0:0:0:ffff:2849:8918
40.73.137.25 0:0:0:0:0:ffff:2849:8919
40.73.137.26 0:0:0:0:0:ffff:2849:891a
40.73.137.27 0:0:0:0:0:ffff:2849:891b
40.73.137.28 0:0:0:0:0:ffff:2849:891c
40.73.137.29 0:0:0:0:0:ffff:2849:891d
40.73.137.30 0:0:0:0:0:ffff:2849:891e
40.73.137.31 0:0:0:0:0:ffff:2849:891f
40.73.137.32 0:0:0:0:0:ffff:2849:8920
40.73.137.33 0:0:0:0:0:ffff:2849:8921
40.73.137.34 0:0:0:0:0:ffff:2849:8922
40.73.137.35 0:0:0:0:0:ffff:2849:8923
40.73.137.36 0:0:0:0:0:ffff:2849:8924
40.73.137.37 0:0:0:0:0:ffff:2849:8925
40.73.137.38 0:0:0:0:0:ffff:2849:8926
40.73.137.39 0:0:0:0:0:ffff:2849:8927
40.73.137.40 0:0:0:0:0:ffff:2849:8928
40.73.137.41 0:0:0:0:0:ffff:2849:8929
40.73.137.42 0:0:0:0:0:ffff:2849:892a
40.73.137.43 0:0:0:0:0:ffff:2849:892b
40.73.137.44 0:0:0:0:0:ffff:2849:892c
40.73.137.45 0:0:0:0:0:ffff:2849:892d
40.73.137.46 0:0:0:0:0:ffff:2849:892e
40.73.137.47 0:0:0:0:0:ffff:2849:892f
40.73.137.48 0:0:0:0:0:ffff:2849:8930
40.73.137.49 0:0:0:0:0:ffff:2849:8931
40.73.137.50 0:0:0:0:0:ffff:2849:8932
40.73.137.51 0:0:0:0:0:ffff:2849:8933
40.73.137.52 0:0:0:0:0:ffff:2849:8934
40.73.137.53 0:0:0:0:0:ffff:2849:8935
40.73.137.54 0:0:0:0:0:ffff:2849:8936
40.73.137.55 0:0:0:0:0:ffff:2849:8937
40.73.137.56 0:0:0:0:0:ffff:2849:8938
40.73.137.57 0:0:0:0:0:ffff:2849:8939
40.73.137.58 0:0:0:0:0:ffff:2849:893a
40.73.137.59 0:0:0:0:0:ffff:2849:893b
40.73.137.60 0:0:0:0:0:ffff:2849:893c


40.73.137.61 0:0:0:0:0:ffff:2849:893d
40.73.137.62 0:0:0:0:0:ffff:2849:893e
40.73.137.63 0:0:0:0:0:ffff:2849:893f
40.73.137.64 0:0:0:0:0:ffff:2849:8940
40.73.137.65 0:0:0:0:0:ffff:2849:8941
40.73.137.66 0:0:0:0:0:ffff:2849:8942
40.73.137.67 0:0:0:0:0:ffff:2849:8943
40.73.137.68 0:0:0:0:0:ffff:2849:8944
40.73.137.69 0:0:0:0:0:ffff:2849:8945
40.73.137.70 0:0:0:0:0:ffff:2849:8946
40.73.137.71 0:0:0:0:0:ffff:2849:8947
40.73.137.72 0:0:0:0:0:ffff:2849:8948
40.73.137.73 0:0:0:0:0:ffff:2849:8949
40.73.137.74 0:0:0:0:0:ffff:2849:894a
40.73.137.75 0:0:0:0:0:ffff:2849:894b
40.73.137.76 0:0:0:0:0:ffff:2849:894c
40.73.137.77 0:0:0:0:0:ffff:2849:894d
40.73.137.78 0:0:0:0:0:ffff:2849:894e
40.73.137.79 0:0:0:0:0:ffff:2849:894f
40.73.137.80 0:0:0:0:0:ffff:2849:8950
40.73.137.81 0:0:0:0:0:ffff:2849:8951
40.73.137.82 0:0:0:0:0:ffff:2849:8952
40.73.137.83 0:0:0:0:0:ffff:2849:8953
40.73.137.84 0:0:0:0:0:ffff:2849:8954
40.73.137.85 0:0:0:0:0:ffff:2849:8955
40.73.137.86 0:0:0:0:0:ffff:2849:8956
40.73.137.87 0:0:0:0:0:ffff:2849:8957
40.73.137.88 0:0:0:0:0:ffff:2849:8958
40.73.137.89 0:0:0:0:0:ffff:2849:8959
40.73.137.90 0:0:0:0:0:ffff:2849:895a
40.73.137.91 0:0:0:0:0:ffff:2849:895b
40.73.137.92 0:0:0:0:0:ffff:2849:895c
40.73.137.93 0:0:0:0:0:ffff:2849:895d
40.73.137.94 0:0:0:0:0:ffff:2849:895e
40.73.137.95 0:0:0:0:0:ffff:2849:895f
40.73.137.96 0:0:0:0:0:ffff:2849:8960
40.73.137.97 0:0:0:0:0:ffff:2849:8961
40.73.137.98 0:0:0:0:0:ffff:2849:8962
40.73.137.99 0:0:0:0:0:ffff:2849:8963
40.73.137.100 0:0:0:0:0:ffff:2849:8964
40.73.137.101 0:0:0:0:0:ffff:2849:8965
40.73.137.102 0:0:0:0:0:ffff:2849:8966
40.73.137.103 0:0:0:0:0:ffff:2849:8967
40.73.137.104 0:0:0:0:0:ffff:2849:8968
40.73.137.105 0:0:0:0:0:ffff:2849:8969
40.73.137.106 0:0:0:0:0:ffff:2849:896a
40.73.137.107 0:0:0:0:0:ffff:2849:896b
40.73.137.108 0:0:0:0:0:ffff:2849:896c
40.73.137.109 0:0:0:0:0:ffff:2849:896d
40.73.137.110 0:0:0:0:0:ffff:2849:896e
40.73.137.111 0:0:0:0:0:ffff:2849:896f
40.73.137.112 0:0:0:0:0:ffff:2849:8970
40.73.137.113 0:0:0:0:0:ffff:2849:8971
40.73.137.114 0:0:0:0:0:ffff:2849:8972
40.73.137.115 0:0:0:0:0:ffff:2849:8973
40.73.137.116 0:0:0:0:0:ffff:2849:8974
40.73.137.117 0:0:0:0:0:ffff:2849:8975
40.73.137.118 0:0:0:0:0:ffff:2849:8976
40.73.137.119 0:0:0:0:0:ffff:2849:8977
40.73.137.120 0:0:0:0:0:ffff:2849:8978


40.73.137.121 0:0:0:0:0:ffff:2849:8979
40.73.137.122 0:0:0:0:0:ffff:2849:897a
40.73.137.123 0:0:0:0:0:ffff:2849:897b
40.73.137.124 0:0:0:0:0:ffff:2849:897c
40.73.137.125 0:0:0:0:0:ffff:2849:897d
40.73.137.126 0:0:0:0:0:ffff:2849:897e
40.73.137.127 0:0:0:0:0:ffff:2849:897f
40.73.137.128 0:0:0:0:0:ffff:2849:8980
40.73.137.129 0:0:0:0:0:ffff:2849:8981
40.73.137.130 0:0:0:0:0:ffff:2849:8982
40.73.137.131 0:0:0:0:0:ffff:2849:8983
40.73.137.132 0:0:0:0:0:ffff:2849:8984
40.73.137.133 0:0:0:0:0:ffff:2849:8985
40.73.137.134 0:0:0:0:0:ffff:2849:8986
40.73.137.135 0:0:0:0:0:ffff:2849:8987
40.73.137.136 0:0:0:0:0:ffff:2849:8988
40.73.137.137 0:0:0:0:0:ffff:2849:8989
40.73.137.138 0:0:0:0:0:ffff:2849:898a
40.73.137.139 0:0:0:0:0:ffff:2849:898b
40.73.137.140 0:0:0:0:0:ffff:2849:898c
40.73.137.141 0:0:0:0:0:ffff:2849:898d
40.73.137.142 0:0:0:0:0:ffff:2849:898e
40.73.137.143 0:0:0:0:0:ffff:2849:898f
40.73.137.144 0:0:0:0:0:ffff:2849:8990
40.73.137.145 0:0:0:0:0:ffff:2849:8991
40.73.137.146 0:0:0:0:0:ffff:2849:8992
40.73.137.147 0:0:0:0:0:ffff:2849:8993
40.73.137.148 0:0:0:0:0:ffff:2849:8994
40.73.137.149 0:0:0:0:0:ffff:2849:8995
40.73.137.150 0:0:0:0:0:ffff:2849:8996
40.73.137.151 0:0:0:0:0:ffff:2849:8997
40.73.137.152 0:0:0:0:0:ffff:2849:8998
40.73.137.153 0:0:0:0:0:ffff:2849:8999
40.73.137.154 0:0:0:0:0:ffff:2849:899a
40.73.137.155 0:0:0:0:0:ffff:2849:899b
40.73.137.156 0:0:0:0:0:ffff:2849:899c
40.73.137.157 0:0:0:0:0:ffff:2849:899d
40.73.137.158 0:0:0:0:0:ffff:2849:899e
40.73.137.159 0:0:0:0:0:ffff:2849:899f
40.73.137.160 0:0:0:0:0:ffff:2849:89a0
40.73.137.161 0:0:0:0:0:ffff:2849:89a1
40.73.137.162 0:0:0:0:0:ffff:2849:89a2
40.73.137.163 0:0:0:0:0:ffff:2849:89a3
40.73.137.164 0:0:0:0:0:ffff:2849:89a4
40.73.137.165 0:0:0:0:0:ffff:2849:89a5
40.73.137.166 0:0:0:0:0:ffff:2849:89a6
40.73.137.167 0:0:0:0:0:ffff:2849:89a7
40.73.137.168 0:0:0:0:0:ffff:2849:89a8
40.73.137.169 0:0:0:0:0:ffff:2849:89a9
40.73.137.170 0:0:0:0:0:ffff:2849:89aa
40.73.137.171 0:0:0:0:0:ffff:2849:89ab
40.73.137.172 0:0:0:0:0:ffff:2849:89ac
40.73.137.173 0:0:0:0:0:ffff:2849:89ad
40.73.137.174 0:0:0:0:0:ffff:2849:89ae
40.73.137.175 0:0:0:0:0:ffff:2849:89af
40.73.137.176 0:0:0:0:0:ffff:2849:89b0
40.73.137.177 0:0:0:0:0:ffff:2849:89b1
40.73.137.178 0:0:0:0:0:ffff:2849:89b2
40.73.137.179 0:0:0:0:0:ffff:2849:89b3
40.73.137.180 0:0:0:0:0:ffff:2849:89b4


40.73.137.181 0:0:0:0:0:ffff:2849:89b5
40.73.137.182 0:0:0:0:0:ffff:2849:89b6
40.73.137.183 0:0:0:0:0:ffff:2849:89b7
40.73.137.184 0:0:0:0:0:ffff:2849:89b8
40.73.137.185 0:0:0:0:0:ffff:2849:89b9
40.73.137.186 0:0:0:0:0:ffff:2849:89ba
40.73.137.187 0:0:0:0:0:ffff:2849:89bb
40.73.137.188 0:0:0:0:0:ffff:2849:89bc
40.73.137.189 0:0:0:0:0:ffff:2849:89bd
40.73.137.190 0:0:0:0:0:ffff:2849:89be
40.73.137.191 0:0:0:0:0:ffff:2849:89bf
40.73.137.192 0:0:0:0:0:ffff:2849:89c0
40.73.137.193 0:0:0:0:0:ffff:2849:89c1
40.73.137.194 0:0:0:0:0:ffff:2849:89c2
40.73.137.195 0:0:0:0:0:ffff:2849:89c3
40.73.137.196 0:0:0:0:0:ffff:2849:89c4
40.73.137.197 0:0:0:0:0:ffff:2849:89c5
40.73.137.198 0:0:0:0:0:ffff:2849:89c6
40.73.137.199 0:0:0:0:0:ffff:2849:89c7
40.73.137.200 0:0:0:0:0:ffff:2849:89c8
40.73.137.201 0:0:0:0:0:ffff:2849:89c9
40.73.137.202 0:0:0:0:0:ffff:2849:89ca
40.73.137.203 0:0:0:0:0:ffff:2849:89cb
40.73.137.204 0:0:0:0:0:ffff:2849:89cc
40.73.137.205 0:0:0:0:0:ffff:2849:89cd
40.73.137.206 0:0:0:0:0:ffff:2849:89ce
40.73.137.207 0:0:0:0:0:ffff:2849:89cf
40.73.137.208 0:0:0:0:0:ffff:2849:89d0
40.73.137.209 0:0:0:0:0:ffff:2849:89d1
40.73.137.210 0:0:0:0:0:ffff:2849:89d2
40.73.137.211 0:0:0:0:0:ffff:2849:89d3
40.73.137.212 0:0:0:0:0:ffff:2849:89d4
40.73.137.213 0:0:0:0:0:ffff:2849:89d5
40.73.137.214 0:0:0:0:0:ffff:2849:89d6
40.73.137.215 0:0:0:0:0:ffff:2849:89d7
40.73.137.216 0:0:0:0:0:ffff:2849:89d8
40.73.137.217 0:0:0:0:0:ffff:2849:89d9
40.73.137.218 0:0:0:0:0:ffff:2849:89da
40.73.137.219 0:0:0:0:0:ffff:2849:89db
40.73.137.220 0:0:0:0:0:ffff:2849:89dc
40.73.137.221 0:0:0:0:0:ffff:2849:89dd
40.73.137.222 0:0:0:0:0:ffff:2849:89de
40.73.137.223 0:0:0:0:0:ffff:2849:89df
40.73.137.224 0:0:0:0:0:ffff:2849:89e0
40.73.137.225 0:0:0:0:0:ffff:2849:89e1
40.73.137.226 0:0:0:0:0:ffff:2849:89e2
40.73.137.227 0:0:0:0:0:ffff:2849:89e3
40.73.137.228 0:0:0:0:0:ffff:2849:89e4
40.73.137.229 0:0:0:0:0:ffff:2849:89e5
40.73.137.230 0:0:0:0:0:ffff:2849:89e6
40.73.137.231 0:0:0:0:0:ffff:2849:89e7
40.73.137.232 0:0:0:0:0:ffff:2849:89e8
40.73.137.233 0:0:0:0:0:ffff:2849:89e9
40.73.137.234 0:0:0:0:0:ffff:2849:89ea
40.73.137.235 0:0:0:0:0:ffff:2849:89eb
40.73.137.236 0:0:0:0:0:ffff:2849:89ec
40.73.137.237 0:0:0:0:0:ffff:2849:89ed
40.73.137.238 0:0:0:0:0:ffff:2849:89ee
40.73.137.239 0:0:0:0:0:ffff:2849:89ef
40.73.137.240 0:0:0:0:0:ffff:2849:89f0
40.73.137.241 0:0:0:0:0:ffff:2849:89f1
40.73.137.242 0:0:0:0:0:ffff:2849:89f2
40.73.137.243 0:0:0:0:0:ffff:2849:89f3
40.73.137.244 0:0:0:0:0:ffff:2849:89f4
40.73.137.245 0:0:0:0:0:ffff:2849:89f5
40.73.137.246 0:0:0:0:0:ffff:2849:89f6
40.73.137.247 0:0:0:0:0:ffff:2849:89f7
40.73.137.248 0:0:0:0:0:ffff:2849:89f8
40.73.137.249 0:0:0:0:0:ffff:2849:89f9
40.73.137.250 0:0:0:0:0:ffff:2849:89fa
40.73.137.251 0:0:0:0:0:ffff:2849:89fb
40.73.137.252 0:0:0:0:0:ffff:2849:89fc
40.73.137.253 0:0:0:0:0:ffff:2849:89fd
40.73.137.254 0:0:0:0:0:ffff:2849:89fe
40.73.137.255 0:0:0:0:0:ffff:2849:89ff


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.