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
156.40.137.1 0:0:0:0:0:ffff:9c28:8901
156.40.137.2 0:0:0:0:0:ffff:9c28:8902
156.40.137.3 0:0:0:0:0:ffff:9c28:8903
156.40.137.4 0:0:0:0:0:ffff:9c28:8904
156.40.137.5 0:0:0:0:0:ffff:9c28:8905
156.40.137.6 0:0:0:0:0:ffff:9c28:8906
156.40.137.7 0:0:0:0:0:ffff:9c28:8907
156.40.137.8 0:0:0:0:0:ffff:9c28:8908
156.40.137.9 0:0:0:0:0:ffff:9c28:8909
156.40.137.10 0:0:0:0:0:ffff:9c28:890a
156.40.137.11 0:0:0:0:0:ffff:9c28:890b
156.40.137.12 0:0:0:0:0:ffff:9c28:890c
156.40.137.13 0:0:0:0:0:ffff:9c28:890d
156.40.137.14 0:0:0:0:0:ffff:9c28:890e
156.40.137.15 0:0:0:0:0:ffff:9c28:890f
156.40.137.16 0:0:0:0:0:ffff:9c28:8910
156.40.137.17 0:0:0:0:0:ffff:9c28:8911
156.40.137.18 0:0:0:0:0:ffff:9c28:8912
156.40.137.19 0:0:0:0:0:ffff:9c28:8913
156.40.137.20 0:0:0:0:0:ffff:9c28:8914
156.40.137.21 0:0:0:0:0:ffff:9c28:8915
156.40.137.22 0:0:0:0:0:ffff:9c28:8916
156.40.137.23 0:0:0:0:0:ffff:9c28:8917
156.40.137.24 0:0:0:0:0:ffff:9c28:8918
156.40.137.25 0:0:0:0:0:ffff:9c28:8919
156.40.137.26 0:0:0:0:0:ffff:9c28:891a
156.40.137.27 0:0:0:0:0:ffff:9c28:891b
156.40.137.28 0:0:0:0:0:ffff:9c28:891c
156.40.137.29 0:0:0:0:0:ffff:9c28:891d
156.40.137.30 0:0:0:0:0:ffff:9c28:891e
156.40.137.31 0:0:0:0:0:ffff:9c28:891f
156.40.137.32 0:0:0:0:0:ffff:9c28:8920
156.40.137.33 0:0:0:0:0:ffff:9c28:8921
156.40.137.34 0:0:0:0:0:ffff:9c28:8922
156.40.137.35 0:0:0:0:0:ffff:9c28:8923
156.40.137.36 0:0:0:0:0:ffff:9c28:8924
156.40.137.37 0:0:0:0:0:ffff:9c28:8925
156.40.137.38 0:0:0:0:0:ffff:9c28:8926
156.40.137.39 0:0:0:0:0:ffff:9c28:8927
156.40.137.40 0:0:0:0:0:ffff:9c28:8928
156.40.137.41 0:0:0:0:0:ffff:9c28:8929
156.40.137.42 0:0:0:0:0:ffff:9c28:892a
156.40.137.43 0:0:0:0:0:ffff:9c28:892b
156.40.137.44 0:0:0:0:0:ffff:9c28:892c
156.40.137.45 0:0:0:0:0:ffff:9c28:892d
156.40.137.46 0:0:0:0:0:ffff:9c28:892e
156.40.137.47 0:0:0:0:0:ffff:9c28:892f
156.40.137.48 0:0:0:0:0:ffff:9c28:8930
156.40.137.49 0:0:0:0:0:ffff:9c28:8931
156.40.137.50 0:0:0:0:0:ffff:9c28:8932
156.40.137.51 0:0:0:0:0:ffff:9c28:8933
156.40.137.52 0:0:0:0:0:ffff:9c28:8934
156.40.137.53 0:0:0:0:0:ffff:9c28:8935
156.40.137.54 0:0:0:0:0:ffff:9c28:8936
156.40.137.55 0:0:0:0:0:ffff:9c28:8937
156.40.137.56 0:0:0:0:0:ffff:9c28:8938
156.40.137.57 0:0:0:0:0:ffff:9c28:8939
156.40.137.58 0:0:0:0:0:ffff:9c28:893a
156.40.137.59 0:0:0:0:0:ffff:9c28:893b
156.40.137.60 0:0:0:0:0:ffff:9c28:893c


156.40.137.61 0:0:0:0:0:ffff:9c28:893d
156.40.137.62 0:0:0:0:0:ffff:9c28:893e
156.40.137.63 0:0:0:0:0:ffff:9c28:893f
156.40.137.64 0:0:0:0:0:ffff:9c28:8940
156.40.137.65 0:0:0:0:0:ffff:9c28:8941
156.40.137.66 0:0:0:0:0:ffff:9c28:8942
156.40.137.67 0:0:0:0:0:ffff:9c28:8943
156.40.137.68 0:0:0:0:0:ffff:9c28:8944
156.40.137.69 0:0:0:0:0:ffff:9c28:8945
156.40.137.70 0:0:0:0:0:ffff:9c28:8946
156.40.137.71 0:0:0:0:0:ffff:9c28:8947
156.40.137.72 0:0:0:0:0:ffff:9c28:8948
156.40.137.73 0:0:0:0:0:ffff:9c28:8949
156.40.137.74 0:0:0:0:0:ffff:9c28:894a
156.40.137.75 0:0:0:0:0:ffff:9c28:894b
156.40.137.76 0:0:0:0:0:ffff:9c28:894c
156.40.137.77 0:0:0:0:0:ffff:9c28:894d
156.40.137.78 0:0:0:0:0:ffff:9c28:894e
156.40.137.79 0:0:0:0:0:ffff:9c28:894f
156.40.137.80 0:0:0:0:0:ffff:9c28:8950
156.40.137.81 0:0:0:0:0:ffff:9c28:8951
156.40.137.82 0:0:0:0:0:ffff:9c28:8952
156.40.137.83 0:0:0:0:0:ffff:9c28:8953
156.40.137.84 0:0:0:0:0:ffff:9c28:8954
156.40.137.85 0:0:0:0:0:ffff:9c28:8955
156.40.137.86 0:0:0:0:0:ffff:9c28:8956
156.40.137.87 0:0:0:0:0:ffff:9c28:8957
156.40.137.88 0:0:0:0:0:ffff:9c28:8958
156.40.137.89 0:0:0:0:0:ffff:9c28:8959
156.40.137.90 0:0:0:0:0:ffff:9c28:895a
156.40.137.91 0:0:0:0:0:ffff:9c28:895b
156.40.137.92 0:0:0:0:0:ffff:9c28:895c
156.40.137.93 0:0:0:0:0:ffff:9c28:895d
156.40.137.94 0:0:0:0:0:ffff:9c28:895e
156.40.137.95 0:0:0:0:0:ffff:9c28:895f
156.40.137.96 0:0:0:0:0:ffff:9c28:8960
156.40.137.97 0:0:0:0:0:ffff:9c28:8961
156.40.137.98 0:0:0:0:0:ffff:9c28:8962
156.40.137.99 0:0:0:0:0:ffff:9c28:8963
156.40.137.100 0:0:0:0:0:ffff:9c28:8964
156.40.137.101 0:0:0:0:0:ffff:9c28:8965
156.40.137.102 0:0:0:0:0:ffff:9c28:8966
156.40.137.103 0:0:0:0:0:ffff:9c28:8967
156.40.137.104 0:0:0:0:0:ffff:9c28:8968
156.40.137.105 0:0:0:0:0:ffff:9c28:8969
156.40.137.106 0:0:0:0:0:ffff:9c28:896a
156.40.137.107 0:0:0:0:0:ffff:9c28:896b
156.40.137.108 0:0:0:0:0:ffff:9c28:896c
156.40.137.109 0:0:0:0:0:ffff:9c28:896d
156.40.137.110 0:0:0:0:0:ffff:9c28:896e
156.40.137.111 0:0:0:0:0:ffff:9c28:896f
156.40.137.112 0:0:0:0:0:ffff:9c28:8970
156.40.137.113 0:0:0:0:0:ffff:9c28:8971
156.40.137.114 0:0:0:0:0:ffff:9c28:8972
156.40.137.115 0:0:0:0:0:ffff:9c28:8973
156.40.137.116 0:0:0:0:0:ffff:9c28:8974
156.40.137.117 0:0:0:0:0:ffff:9c28:8975
156.40.137.118 0:0:0:0:0:ffff:9c28:8976
156.40.137.119 0:0:0:0:0:ffff:9c28:8977
156.40.137.120 0:0:0:0:0:ffff:9c28:8978


156.40.137.121 0:0:0:0:0:ffff:9c28:8979
156.40.137.122 0:0:0:0:0:ffff:9c28:897a
156.40.137.123 0:0:0:0:0:ffff:9c28:897b
156.40.137.124 0:0:0:0:0:ffff:9c28:897c
156.40.137.125 0:0:0:0:0:ffff:9c28:897d
156.40.137.126 0:0:0:0:0:ffff:9c28:897e
156.40.137.127 0:0:0:0:0:ffff:9c28:897f
156.40.137.128 0:0:0:0:0:ffff:9c28:8980
156.40.137.129 0:0:0:0:0:ffff:9c28:8981
156.40.137.130 0:0:0:0:0:ffff:9c28:8982
156.40.137.131 0:0:0:0:0:ffff:9c28:8983
156.40.137.132 0:0:0:0:0:ffff:9c28:8984
156.40.137.133 0:0:0:0:0:ffff:9c28:8985
156.40.137.134 0:0:0:0:0:ffff:9c28:8986
156.40.137.135 0:0:0:0:0:ffff:9c28:8987
156.40.137.136 0:0:0:0:0:ffff:9c28:8988
156.40.137.137 0:0:0:0:0:ffff:9c28:8989
156.40.137.138 0:0:0:0:0:ffff:9c28:898a
156.40.137.139 0:0:0:0:0:ffff:9c28:898b
156.40.137.140 0:0:0:0:0:ffff:9c28:898c
156.40.137.141 0:0:0:0:0:ffff:9c28:898d
156.40.137.142 0:0:0:0:0:ffff:9c28:898e
156.40.137.143 0:0:0:0:0:ffff:9c28:898f
156.40.137.144 0:0:0:0:0:ffff:9c28:8990
156.40.137.145 0:0:0:0:0:ffff:9c28:8991
156.40.137.146 0:0:0:0:0:ffff:9c28:8992
156.40.137.147 0:0:0:0:0:ffff:9c28:8993
156.40.137.148 0:0:0:0:0:ffff:9c28:8994
156.40.137.149 0:0:0:0:0:ffff:9c28:8995
156.40.137.150 0:0:0:0:0:ffff:9c28:8996
156.40.137.151 0:0:0:0:0:ffff:9c28:8997
156.40.137.152 0:0:0:0:0:ffff:9c28:8998
156.40.137.153 0:0:0:0:0:ffff:9c28:8999
156.40.137.154 0:0:0:0:0:ffff:9c28:899a
156.40.137.155 0:0:0:0:0:ffff:9c28:899b
156.40.137.156 0:0:0:0:0:ffff:9c28:899c
156.40.137.157 0:0:0:0:0:ffff:9c28:899d
156.40.137.158 0:0:0:0:0:ffff:9c28:899e
156.40.137.159 0:0:0:0:0:ffff:9c28:899f
156.40.137.160 0:0:0:0:0:ffff:9c28:89a0
156.40.137.161 0:0:0:0:0:ffff:9c28:89a1
156.40.137.162 0:0:0:0:0:ffff:9c28:89a2
156.40.137.163 0:0:0:0:0:ffff:9c28:89a3
156.40.137.164 0:0:0:0:0:ffff:9c28:89a4
156.40.137.165 0:0:0:0:0:ffff:9c28:89a5
156.40.137.166 0:0:0:0:0:ffff:9c28:89a6
156.40.137.167 0:0:0:0:0:ffff:9c28:89a7
156.40.137.168 0:0:0:0:0:ffff:9c28:89a8
156.40.137.169 0:0:0:0:0:ffff:9c28:89a9
156.40.137.170 0:0:0:0:0:ffff:9c28:89aa
156.40.137.171 0:0:0:0:0:ffff:9c28:89ab
156.40.137.172 0:0:0:0:0:ffff:9c28:89ac
156.40.137.173 0:0:0:0:0:ffff:9c28:89ad
156.40.137.174 0:0:0:0:0:ffff:9c28:89ae
156.40.137.175 0:0:0:0:0:ffff:9c28:89af
156.40.137.176 0:0:0:0:0:ffff:9c28:89b0
156.40.137.177 0:0:0:0:0:ffff:9c28:89b1
156.40.137.178 0:0:0:0:0:ffff:9c28:89b2
156.40.137.179 0:0:0:0:0:ffff:9c28:89b3
156.40.137.180 0:0:0:0:0:ffff:9c28:89b4


156.40.137.181 0:0:0:0:0:ffff:9c28:89b5
156.40.137.182 0:0:0:0:0:ffff:9c28:89b6
156.40.137.183 0:0:0:0:0:ffff:9c28:89b7
156.40.137.184 0:0:0:0:0:ffff:9c28:89b8
156.40.137.185 0:0:0:0:0:ffff:9c28:89b9
156.40.137.186 0:0:0:0:0:ffff:9c28:89ba
156.40.137.187 0:0:0:0:0:ffff:9c28:89bb
156.40.137.188 0:0:0:0:0:ffff:9c28:89bc
156.40.137.189 0:0:0:0:0:ffff:9c28:89bd
156.40.137.190 0:0:0:0:0:ffff:9c28:89be
156.40.137.191 0:0:0:0:0:ffff:9c28:89bf
156.40.137.192 0:0:0:0:0:ffff:9c28:89c0
156.40.137.193 0:0:0:0:0:ffff:9c28:89c1
156.40.137.194 0:0:0:0:0:ffff:9c28:89c2
156.40.137.195 0:0:0:0:0:ffff:9c28:89c3
156.40.137.196 0:0:0:0:0:ffff:9c28:89c4
156.40.137.197 0:0:0:0:0:ffff:9c28:89c5
156.40.137.198 0:0:0:0:0:ffff:9c28:89c6
156.40.137.199 0:0:0:0:0:ffff:9c28:89c7
156.40.137.200 0:0:0:0:0:ffff:9c28:89c8
156.40.137.201 0:0:0:0:0:ffff:9c28:89c9
156.40.137.202 0:0:0:0:0:ffff:9c28:89ca
156.40.137.203 0:0:0:0:0:ffff:9c28:89cb
156.40.137.204 0:0:0:0:0:ffff:9c28:89cc
156.40.137.205 0:0:0:0:0:ffff:9c28:89cd
156.40.137.206 0:0:0:0:0:ffff:9c28:89ce
156.40.137.207 0:0:0:0:0:ffff:9c28:89cf
156.40.137.208 0:0:0:0:0:ffff:9c28:89d0
156.40.137.209 0:0:0:0:0:ffff:9c28:89d1
156.40.137.210 0:0:0:0:0:ffff:9c28:89d2
156.40.137.211 0:0:0:0:0:ffff:9c28:89d3
156.40.137.212 0:0:0:0:0:ffff:9c28:89d4
156.40.137.213 0:0:0:0:0:ffff:9c28:89d5
156.40.137.214 0:0:0:0:0:ffff:9c28:89d6
156.40.137.215 0:0:0:0:0:ffff:9c28:89d7
156.40.137.216 0:0:0:0:0:ffff:9c28:89d8
156.40.137.217 0:0:0:0:0:ffff:9c28:89d9
156.40.137.218 0:0:0:0:0:ffff:9c28:89da
156.40.137.219 0:0:0:0:0:ffff:9c28:89db
156.40.137.220 0:0:0:0:0:ffff:9c28:89dc
156.40.137.221 0:0:0:0:0:ffff:9c28:89dd
156.40.137.222 0:0:0:0:0:ffff:9c28:89de
156.40.137.223 0:0:0:0:0:ffff:9c28:89df
156.40.137.224 0:0:0:0:0:ffff:9c28:89e0
156.40.137.225 0:0:0:0:0:ffff:9c28:89e1
156.40.137.226 0:0:0:0:0:ffff:9c28:89e2
156.40.137.227 0:0:0:0:0:ffff:9c28:89e3
156.40.137.228 0:0:0:0:0:ffff:9c28:89e4
156.40.137.229 0:0:0:0:0:ffff:9c28:89e5
156.40.137.230 0:0:0:0:0:ffff:9c28:89e6
156.40.137.231 0:0:0:0:0:ffff:9c28:89e7
156.40.137.232 0:0:0:0:0:ffff:9c28:89e8
156.40.137.233 0:0:0:0:0:ffff:9c28:89e9
156.40.137.234 0:0:0:0:0:ffff:9c28:89ea
156.40.137.235 0:0:0:0:0:ffff:9c28:89eb
156.40.137.236 0:0:0:0:0:ffff:9c28:89ec
156.40.137.237 0:0:0:0:0:ffff:9c28:89ed
156.40.137.238 0:0:0:0:0:ffff:9c28:89ee
156.40.137.239 0:0:0:0:0:ffff:9c28:89ef
156.40.137.240 0:0:0:0:0:ffff:9c28:89f0
156.40.137.241 0:0:0:0:0:ffff:9c28:89f1
156.40.137.242 0:0:0:0:0:ffff:9c28:89f2
156.40.137.243 0:0:0:0:0:ffff:9c28:89f3
156.40.137.244 0:0:0:0:0:ffff:9c28:89f4
156.40.137.245 0:0:0:0:0:ffff:9c28:89f5
156.40.137.246 0:0:0:0:0:ffff:9c28:89f6
156.40.137.247 0:0:0:0:0:ffff:9c28:89f7
156.40.137.248 0:0:0:0:0:ffff:9c28:89f8
156.40.137.249 0:0:0:0:0:ffff:9c28:89f9
156.40.137.250 0:0:0:0:0:ffff:9c28:89fa
156.40.137.251 0:0:0:0:0:ffff:9c28:89fb
156.40.137.252 0:0:0:0:0:ffff:9c28:89fc
156.40.137.253 0:0:0:0:0:ffff:9c28:89fd
156.40.137.254 0:0:0:0:0:ffff:9c28:89fe
156.40.137.255 0:0:0:0:0:ffff:9c28:89ff


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.