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
236.166.121.1 0:0:0:0:0:ffff:eca6:7901
236.166.121.2 0:0:0:0:0:ffff:eca6:7902
236.166.121.3 0:0:0:0:0:ffff:eca6:7903
236.166.121.4 0:0:0:0:0:ffff:eca6:7904
236.166.121.5 0:0:0:0:0:ffff:eca6:7905
236.166.121.6 0:0:0:0:0:ffff:eca6:7906
236.166.121.7 0:0:0:0:0:ffff:eca6:7907
236.166.121.8 0:0:0:0:0:ffff:eca6:7908
236.166.121.9 0:0:0:0:0:ffff:eca6:7909
236.166.121.10 0:0:0:0:0:ffff:eca6:790a
236.166.121.11 0:0:0:0:0:ffff:eca6:790b
236.166.121.12 0:0:0:0:0:ffff:eca6:790c
236.166.121.13 0:0:0:0:0:ffff:eca6:790d
236.166.121.14 0:0:0:0:0:ffff:eca6:790e
236.166.121.15 0:0:0:0:0:ffff:eca6:790f
236.166.121.16 0:0:0:0:0:ffff:eca6:7910
236.166.121.17 0:0:0:0:0:ffff:eca6:7911
236.166.121.18 0:0:0:0:0:ffff:eca6:7912
236.166.121.19 0:0:0:0:0:ffff:eca6:7913
236.166.121.20 0:0:0:0:0:ffff:eca6:7914
236.166.121.21 0:0:0:0:0:ffff:eca6:7915
236.166.121.22 0:0:0:0:0:ffff:eca6:7916
236.166.121.23 0:0:0:0:0:ffff:eca6:7917
236.166.121.24 0:0:0:0:0:ffff:eca6:7918
236.166.121.25 0:0:0:0:0:ffff:eca6:7919
236.166.121.26 0:0:0:0:0:ffff:eca6:791a
236.166.121.27 0:0:0:0:0:ffff:eca6:791b
236.166.121.28 0:0:0:0:0:ffff:eca6:791c
236.166.121.29 0:0:0:0:0:ffff:eca6:791d
236.166.121.30 0:0:0:0:0:ffff:eca6:791e
236.166.121.31 0:0:0:0:0:ffff:eca6:791f
236.166.121.32 0:0:0:0:0:ffff:eca6:7920
236.166.121.33 0:0:0:0:0:ffff:eca6:7921
236.166.121.34 0:0:0:0:0:ffff:eca6:7922
236.166.121.35 0:0:0:0:0:ffff:eca6:7923
236.166.121.36 0:0:0:0:0:ffff:eca6:7924
236.166.121.37 0:0:0:0:0:ffff:eca6:7925
236.166.121.38 0:0:0:0:0:ffff:eca6:7926
236.166.121.39 0:0:0:0:0:ffff:eca6:7927
236.166.121.40 0:0:0:0:0:ffff:eca6:7928
236.166.121.41 0:0:0:0:0:ffff:eca6:7929
236.166.121.42 0:0:0:0:0:ffff:eca6:792a
236.166.121.43 0:0:0:0:0:ffff:eca6:792b
236.166.121.44 0:0:0:0:0:ffff:eca6:792c
236.166.121.45 0:0:0:0:0:ffff:eca6:792d
236.166.121.46 0:0:0:0:0:ffff:eca6:792e
236.166.121.47 0:0:0:0:0:ffff:eca6:792f
236.166.121.48 0:0:0:0:0:ffff:eca6:7930
236.166.121.49 0:0:0:0:0:ffff:eca6:7931
236.166.121.50 0:0:0:0:0:ffff:eca6:7932
236.166.121.51 0:0:0:0:0:ffff:eca6:7933
236.166.121.52 0:0:0:0:0:ffff:eca6:7934
236.166.121.53 0:0:0:0:0:ffff:eca6:7935
236.166.121.54 0:0:0:0:0:ffff:eca6:7936
236.166.121.55 0:0:0:0:0:ffff:eca6:7937
236.166.121.56 0:0:0:0:0:ffff:eca6:7938
236.166.121.57 0:0:0:0:0:ffff:eca6:7939
236.166.121.58 0:0:0:0:0:ffff:eca6:793a
236.166.121.59 0:0:0:0:0:ffff:eca6:793b
236.166.121.60 0:0:0:0:0:ffff:eca6:793c


236.166.121.61 0:0:0:0:0:ffff:eca6:793d
236.166.121.62 0:0:0:0:0:ffff:eca6:793e
236.166.121.63 0:0:0:0:0:ffff:eca6:793f
236.166.121.64 0:0:0:0:0:ffff:eca6:7940
236.166.121.65 0:0:0:0:0:ffff:eca6:7941
236.166.121.66 0:0:0:0:0:ffff:eca6:7942
236.166.121.67 0:0:0:0:0:ffff:eca6:7943
236.166.121.68 0:0:0:0:0:ffff:eca6:7944
236.166.121.69 0:0:0:0:0:ffff:eca6:7945
236.166.121.70 0:0:0:0:0:ffff:eca6:7946
236.166.121.71 0:0:0:0:0:ffff:eca6:7947
236.166.121.72 0:0:0:0:0:ffff:eca6:7948
236.166.121.73 0:0:0:0:0:ffff:eca6:7949
236.166.121.74 0:0:0:0:0:ffff:eca6:794a
236.166.121.75 0:0:0:0:0:ffff:eca6:794b
236.166.121.76 0:0:0:0:0:ffff:eca6:794c
236.166.121.77 0:0:0:0:0:ffff:eca6:794d
236.166.121.78 0:0:0:0:0:ffff:eca6:794e
236.166.121.79 0:0:0:0:0:ffff:eca6:794f
236.166.121.80 0:0:0:0:0:ffff:eca6:7950
236.166.121.81 0:0:0:0:0:ffff:eca6:7951
236.166.121.82 0:0:0:0:0:ffff:eca6:7952
236.166.121.83 0:0:0:0:0:ffff:eca6:7953
236.166.121.84 0:0:0:0:0:ffff:eca6:7954
236.166.121.85 0:0:0:0:0:ffff:eca6:7955
236.166.121.86 0:0:0:0:0:ffff:eca6:7956
236.166.121.87 0:0:0:0:0:ffff:eca6:7957
236.166.121.88 0:0:0:0:0:ffff:eca6:7958
236.166.121.89 0:0:0:0:0:ffff:eca6:7959
236.166.121.90 0:0:0:0:0:ffff:eca6:795a
236.166.121.91 0:0:0:0:0:ffff:eca6:795b
236.166.121.92 0:0:0:0:0:ffff:eca6:795c
236.166.121.93 0:0:0:0:0:ffff:eca6:795d
236.166.121.94 0:0:0:0:0:ffff:eca6:795e
236.166.121.95 0:0:0:0:0:ffff:eca6:795f
236.166.121.96 0:0:0:0:0:ffff:eca6:7960
236.166.121.97 0:0:0:0:0:ffff:eca6:7961
236.166.121.98 0:0:0:0:0:ffff:eca6:7962
236.166.121.99 0:0:0:0:0:ffff:eca6:7963
236.166.121.100 0:0:0:0:0:ffff:eca6:7964
236.166.121.101 0:0:0:0:0:ffff:eca6:7965
236.166.121.102 0:0:0:0:0:ffff:eca6:7966
236.166.121.103 0:0:0:0:0:ffff:eca6:7967
236.166.121.104 0:0:0:0:0:ffff:eca6:7968
236.166.121.105 0:0:0:0:0:ffff:eca6:7969
236.166.121.106 0:0:0:0:0:ffff:eca6:796a
236.166.121.107 0:0:0:0:0:ffff:eca6:796b
236.166.121.108 0:0:0:0:0:ffff:eca6:796c
236.166.121.109 0:0:0:0:0:ffff:eca6:796d
236.166.121.110 0:0:0:0:0:ffff:eca6:796e
236.166.121.111 0:0:0:0:0:ffff:eca6:796f
236.166.121.112 0:0:0:0:0:ffff:eca6:7970
236.166.121.113 0:0:0:0:0:ffff:eca6:7971
236.166.121.114 0:0:0:0:0:ffff:eca6:7972
236.166.121.115 0:0:0:0:0:ffff:eca6:7973
236.166.121.116 0:0:0:0:0:ffff:eca6:7974
236.166.121.117 0:0:0:0:0:ffff:eca6:7975
236.166.121.118 0:0:0:0:0:ffff:eca6:7976
236.166.121.119 0:0:0:0:0:ffff:eca6:7977
236.166.121.120 0:0:0:0:0:ffff:eca6:7978


236.166.121.121 0:0:0:0:0:ffff:eca6:7979
236.166.121.122 0:0:0:0:0:ffff:eca6:797a
236.166.121.123 0:0:0:0:0:ffff:eca6:797b
236.166.121.124 0:0:0:0:0:ffff:eca6:797c
236.166.121.125 0:0:0:0:0:ffff:eca6:797d
236.166.121.126 0:0:0:0:0:ffff:eca6:797e
236.166.121.127 0:0:0:0:0:ffff:eca6:797f
236.166.121.128 0:0:0:0:0:ffff:eca6:7980
236.166.121.129 0:0:0:0:0:ffff:eca6:7981
236.166.121.130 0:0:0:0:0:ffff:eca6:7982
236.166.121.131 0:0:0:0:0:ffff:eca6:7983
236.166.121.132 0:0:0:0:0:ffff:eca6:7984
236.166.121.133 0:0:0:0:0:ffff:eca6:7985
236.166.121.134 0:0:0:0:0:ffff:eca6:7986
236.166.121.135 0:0:0:0:0:ffff:eca6:7987
236.166.121.136 0:0:0:0:0:ffff:eca6:7988
236.166.121.137 0:0:0:0:0:ffff:eca6:7989
236.166.121.138 0:0:0:0:0:ffff:eca6:798a
236.166.121.139 0:0:0:0:0:ffff:eca6:798b
236.166.121.140 0:0:0:0:0:ffff:eca6:798c
236.166.121.141 0:0:0:0:0:ffff:eca6:798d
236.166.121.142 0:0:0:0:0:ffff:eca6:798e
236.166.121.143 0:0:0:0:0:ffff:eca6:798f
236.166.121.144 0:0:0:0:0:ffff:eca6:7990
236.166.121.145 0:0:0:0:0:ffff:eca6:7991
236.166.121.146 0:0:0:0:0:ffff:eca6:7992
236.166.121.147 0:0:0:0:0:ffff:eca6:7993
236.166.121.148 0:0:0:0:0:ffff:eca6:7994
236.166.121.149 0:0:0:0:0:ffff:eca6:7995
236.166.121.150 0:0:0:0:0:ffff:eca6:7996
236.166.121.151 0:0:0:0:0:ffff:eca6:7997
236.166.121.152 0:0:0:0:0:ffff:eca6:7998
236.166.121.153 0:0:0:0:0:ffff:eca6:7999
236.166.121.154 0:0:0:0:0:ffff:eca6:799a
236.166.121.155 0:0:0:0:0:ffff:eca6:799b
236.166.121.156 0:0:0:0:0:ffff:eca6:799c
236.166.121.157 0:0:0:0:0:ffff:eca6:799d
236.166.121.158 0:0:0:0:0:ffff:eca6:799e
236.166.121.159 0:0:0:0:0:ffff:eca6:799f
236.166.121.160 0:0:0:0:0:ffff:eca6:79a0
236.166.121.161 0:0:0:0:0:ffff:eca6:79a1
236.166.121.162 0:0:0:0:0:ffff:eca6:79a2
236.166.121.163 0:0:0:0:0:ffff:eca6:79a3
236.166.121.164 0:0:0:0:0:ffff:eca6:79a4
236.166.121.165 0:0:0:0:0:ffff:eca6:79a5
236.166.121.166 0:0:0:0:0:ffff:eca6:79a6
236.166.121.167 0:0:0:0:0:ffff:eca6:79a7
236.166.121.168 0:0:0:0:0:ffff:eca6:79a8
236.166.121.169 0:0:0:0:0:ffff:eca6:79a9
236.166.121.170 0:0:0:0:0:ffff:eca6:79aa
236.166.121.171 0:0:0:0:0:ffff:eca6:79ab
236.166.121.172 0:0:0:0:0:ffff:eca6:79ac
236.166.121.173 0:0:0:0:0:ffff:eca6:79ad
236.166.121.174 0:0:0:0:0:ffff:eca6:79ae
236.166.121.175 0:0:0:0:0:ffff:eca6:79af
236.166.121.176 0:0:0:0:0:ffff:eca6:79b0
236.166.121.177 0:0:0:0:0:ffff:eca6:79b1
236.166.121.178 0:0:0:0:0:ffff:eca6:79b2
236.166.121.179 0:0:0:0:0:ffff:eca6:79b3
236.166.121.180 0:0:0:0:0:ffff:eca6:79b4


236.166.121.181 0:0:0:0:0:ffff:eca6:79b5
236.166.121.182 0:0:0:0:0:ffff:eca6:79b6
236.166.121.183 0:0:0:0:0:ffff:eca6:79b7
236.166.121.184 0:0:0:0:0:ffff:eca6:79b8
236.166.121.185 0:0:0:0:0:ffff:eca6:79b9
236.166.121.186 0:0:0:0:0:ffff:eca6:79ba
236.166.121.187 0:0:0:0:0:ffff:eca6:79bb
236.166.121.188 0:0:0:0:0:ffff:eca6:79bc
236.166.121.189 0:0:0:0:0:ffff:eca6:79bd
236.166.121.190 0:0:0:0:0:ffff:eca6:79be
236.166.121.191 0:0:0:0:0:ffff:eca6:79bf
236.166.121.192 0:0:0:0:0:ffff:eca6:79c0
236.166.121.193 0:0:0:0:0:ffff:eca6:79c1
236.166.121.194 0:0:0:0:0:ffff:eca6:79c2
236.166.121.195 0:0:0:0:0:ffff:eca6:79c3
236.166.121.196 0:0:0:0:0:ffff:eca6:79c4
236.166.121.197 0:0:0:0:0:ffff:eca6:79c5
236.166.121.198 0:0:0:0:0:ffff:eca6:79c6
236.166.121.199 0:0:0:0:0:ffff:eca6:79c7
236.166.121.200 0:0:0:0:0:ffff:eca6:79c8
236.166.121.201 0:0:0:0:0:ffff:eca6:79c9
236.166.121.202 0:0:0:0:0:ffff:eca6:79ca
236.166.121.203 0:0:0:0:0:ffff:eca6:79cb
236.166.121.204 0:0:0:0:0:ffff:eca6:79cc
236.166.121.205 0:0:0:0:0:ffff:eca6:79cd
236.166.121.206 0:0:0:0:0:ffff:eca6:79ce
236.166.121.207 0:0:0:0:0:ffff:eca6:79cf
236.166.121.208 0:0:0:0:0:ffff:eca6:79d0
236.166.121.209 0:0:0:0:0:ffff:eca6:79d1
236.166.121.210 0:0:0:0:0:ffff:eca6:79d2
236.166.121.211 0:0:0:0:0:ffff:eca6:79d3
236.166.121.212 0:0:0:0:0:ffff:eca6:79d4
236.166.121.213 0:0:0:0:0:ffff:eca6:79d5
236.166.121.214 0:0:0:0:0:ffff:eca6:79d6
236.166.121.215 0:0:0:0:0:ffff:eca6:79d7
236.166.121.216 0:0:0:0:0:ffff:eca6:79d8
236.166.121.217 0:0:0:0:0:ffff:eca6:79d9
236.166.121.218 0:0:0:0:0:ffff:eca6:79da
236.166.121.219 0:0:0:0:0:ffff:eca6:79db
236.166.121.220 0:0:0:0:0:ffff:eca6:79dc
236.166.121.221 0:0:0:0:0:ffff:eca6:79dd
236.166.121.222 0:0:0:0:0:ffff:eca6:79de
236.166.121.223 0:0:0:0:0:ffff:eca6:79df
236.166.121.224 0:0:0:0:0:ffff:eca6:79e0
236.166.121.225 0:0:0:0:0:ffff:eca6:79e1
236.166.121.226 0:0:0:0:0:ffff:eca6:79e2
236.166.121.227 0:0:0:0:0:ffff:eca6:79e3
236.166.121.228 0:0:0:0:0:ffff:eca6:79e4
236.166.121.229 0:0:0:0:0:ffff:eca6:79e5
236.166.121.230 0:0:0:0:0:ffff:eca6:79e6
236.166.121.231 0:0:0:0:0:ffff:eca6:79e7
236.166.121.232 0:0:0:0:0:ffff:eca6:79e8
236.166.121.233 0:0:0:0:0:ffff:eca6:79e9
236.166.121.234 0:0:0:0:0:ffff:eca6:79ea
236.166.121.235 0:0:0:0:0:ffff:eca6:79eb
236.166.121.236 0:0:0:0:0:ffff:eca6:79ec
236.166.121.237 0:0:0:0:0:ffff:eca6:79ed
236.166.121.238 0:0:0:0:0:ffff:eca6:79ee
236.166.121.239 0:0:0:0:0:ffff:eca6:79ef
236.166.121.240 0:0:0:0:0:ffff:eca6:79f0
236.166.121.241 0:0:0:0:0:ffff:eca6:79f1
236.166.121.242 0:0:0:0:0:ffff:eca6:79f2
236.166.121.243 0:0:0:0:0:ffff:eca6:79f3
236.166.121.244 0:0:0:0:0:ffff:eca6:79f4
236.166.121.245 0:0:0:0:0:ffff:eca6:79f5
236.166.121.246 0:0:0:0:0:ffff:eca6:79f6
236.166.121.247 0:0:0:0:0:ffff:eca6:79f7
236.166.121.248 0:0:0:0:0:ffff:eca6:79f8
236.166.121.249 0:0:0:0:0:ffff:eca6:79f9
236.166.121.250 0:0:0:0:0:ffff:eca6:79fa
236.166.121.251 0:0:0:0:0:ffff:eca6:79fb
236.166.121.252 0:0:0:0:0:ffff:eca6:79fc
236.166.121.253 0:0:0:0:0:ffff:eca6:79fd
236.166.121.254 0:0:0:0:0:ffff:eca6:79fe
236.166.121.255 0:0:0:0:0:ffff:eca6:79ff


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.