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
31.7.121.1 0:0:0:0:0:ffff:1f07:7901
31.7.121.2 0:0:0:0:0:ffff:1f07:7902
31.7.121.3 0:0:0:0:0:ffff:1f07:7903
31.7.121.4 0:0:0:0:0:ffff:1f07:7904
31.7.121.5 0:0:0:0:0:ffff:1f07:7905
31.7.121.6 0:0:0:0:0:ffff:1f07:7906
31.7.121.7 0:0:0:0:0:ffff:1f07:7907
31.7.121.8 0:0:0:0:0:ffff:1f07:7908
31.7.121.9 0:0:0:0:0:ffff:1f07:7909
31.7.121.10 0:0:0:0:0:ffff:1f07:790a
31.7.121.11 0:0:0:0:0:ffff:1f07:790b
31.7.121.12 0:0:0:0:0:ffff:1f07:790c
31.7.121.13 0:0:0:0:0:ffff:1f07:790d
31.7.121.14 0:0:0:0:0:ffff:1f07:790e
31.7.121.15 0:0:0:0:0:ffff:1f07:790f
31.7.121.16 0:0:0:0:0:ffff:1f07:7910
31.7.121.17 0:0:0:0:0:ffff:1f07:7911
31.7.121.18 0:0:0:0:0:ffff:1f07:7912
31.7.121.19 0:0:0:0:0:ffff:1f07:7913
31.7.121.20 0:0:0:0:0:ffff:1f07:7914
31.7.121.21 0:0:0:0:0:ffff:1f07:7915
31.7.121.22 0:0:0:0:0:ffff:1f07:7916
31.7.121.23 0:0:0:0:0:ffff:1f07:7917
31.7.121.24 0:0:0:0:0:ffff:1f07:7918
31.7.121.25 0:0:0:0:0:ffff:1f07:7919
31.7.121.26 0:0:0:0:0:ffff:1f07:791a
31.7.121.27 0:0:0:0:0:ffff:1f07:791b
31.7.121.28 0:0:0:0:0:ffff:1f07:791c
31.7.121.29 0:0:0:0:0:ffff:1f07:791d
31.7.121.30 0:0:0:0:0:ffff:1f07:791e
31.7.121.31 0:0:0:0:0:ffff:1f07:791f
31.7.121.32 0:0:0:0:0:ffff:1f07:7920
31.7.121.33 0:0:0:0:0:ffff:1f07:7921
31.7.121.34 0:0:0:0:0:ffff:1f07:7922
31.7.121.35 0:0:0:0:0:ffff:1f07:7923
31.7.121.36 0:0:0:0:0:ffff:1f07:7924
31.7.121.37 0:0:0:0:0:ffff:1f07:7925
31.7.121.38 0:0:0:0:0:ffff:1f07:7926
31.7.121.39 0:0:0:0:0:ffff:1f07:7927
31.7.121.40 0:0:0:0:0:ffff:1f07:7928
31.7.121.41 0:0:0:0:0:ffff:1f07:7929
31.7.121.42 0:0:0:0:0:ffff:1f07:792a
31.7.121.43 0:0:0:0:0:ffff:1f07:792b
31.7.121.44 0:0:0:0:0:ffff:1f07:792c
31.7.121.45 0:0:0:0:0:ffff:1f07:792d
31.7.121.46 0:0:0:0:0:ffff:1f07:792e
31.7.121.47 0:0:0:0:0:ffff:1f07:792f
31.7.121.48 0:0:0:0:0:ffff:1f07:7930
31.7.121.49 0:0:0:0:0:ffff:1f07:7931
31.7.121.50 0:0:0:0:0:ffff:1f07:7932
31.7.121.51 0:0:0:0:0:ffff:1f07:7933
31.7.121.52 0:0:0:0:0:ffff:1f07:7934
31.7.121.53 0:0:0:0:0:ffff:1f07:7935
31.7.121.54 0:0:0:0:0:ffff:1f07:7936
31.7.121.55 0:0:0:0:0:ffff:1f07:7937
31.7.121.56 0:0:0:0:0:ffff:1f07:7938
31.7.121.57 0:0:0:0:0:ffff:1f07:7939
31.7.121.58 0:0:0:0:0:ffff:1f07:793a
31.7.121.59 0:0:0:0:0:ffff:1f07:793b
31.7.121.60 0:0:0:0:0:ffff:1f07:793c


31.7.121.61 0:0:0:0:0:ffff:1f07:793d
31.7.121.62 0:0:0:0:0:ffff:1f07:793e
31.7.121.63 0:0:0:0:0:ffff:1f07:793f
31.7.121.64 0:0:0:0:0:ffff:1f07:7940
31.7.121.65 0:0:0:0:0:ffff:1f07:7941
31.7.121.66 0:0:0:0:0:ffff:1f07:7942
31.7.121.67 0:0:0:0:0:ffff:1f07:7943
31.7.121.68 0:0:0:0:0:ffff:1f07:7944
31.7.121.69 0:0:0:0:0:ffff:1f07:7945
31.7.121.70 0:0:0:0:0:ffff:1f07:7946
31.7.121.71 0:0:0:0:0:ffff:1f07:7947
31.7.121.72 0:0:0:0:0:ffff:1f07:7948
31.7.121.73 0:0:0:0:0:ffff:1f07:7949
31.7.121.74 0:0:0:0:0:ffff:1f07:794a
31.7.121.75 0:0:0:0:0:ffff:1f07:794b
31.7.121.76 0:0:0:0:0:ffff:1f07:794c
31.7.121.77 0:0:0:0:0:ffff:1f07:794d
31.7.121.78 0:0:0:0:0:ffff:1f07:794e
31.7.121.79 0:0:0:0:0:ffff:1f07:794f
31.7.121.80 0:0:0:0:0:ffff:1f07:7950
31.7.121.81 0:0:0:0:0:ffff:1f07:7951
31.7.121.82 0:0:0:0:0:ffff:1f07:7952
31.7.121.83 0:0:0:0:0:ffff:1f07:7953
31.7.121.84 0:0:0:0:0:ffff:1f07:7954
31.7.121.85 0:0:0:0:0:ffff:1f07:7955
31.7.121.86 0:0:0:0:0:ffff:1f07:7956
31.7.121.87 0:0:0:0:0:ffff:1f07:7957
31.7.121.88 0:0:0:0:0:ffff:1f07:7958
31.7.121.89 0:0:0:0:0:ffff:1f07:7959
31.7.121.90 0:0:0:0:0:ffff:1f07:795a
31.7.121.91 0:0:0:0:0:ffff:1f07:795b
31.7.121.92 0:0:0:0:0:ffff:1f07:795c
31.7.121.93 0:0:0:0:0:ffff:1f07:795d
31.7.121.94 0:0:0:0:0:ffff:1f07:795e
31.7.121.95 0:0:0:0:0:ffff:1f07:795f
31.7.121.96 0:0:0:0:0:ffff:1f07:7960
31.7.121.97 0:0:0:0:0:ffff:1f07:7961
31.7.121.98 0:0:0:0:0:ffff:1f07:7962
31.7.121.99 0:0:0:0:0:ffff:1f07:7963
31.7.121.100 0:0:0:0:0:ffff:1f07:7964
31.7.121.101 0:0:0:0:0:ffff:1f07:7965
31.7.121.102 0:0:0:0:0:ffff:1f07:7966
31.7.121.103 0:0:0:0:0:ffff:1f07:7967
31.7.121.104 0:0:0:0:0:ffff:1f07:7968
31.7.121.105 0:0:0:0:0:ffff:1f07:7969
31.7.121.106 0:0:0:0:0:ffff:1f07:796a
31.7.121.107 0:0:0:0:0:ffff:1f07:796b
31.7.121.108 0:0:0:0:0:ffff:1f07:796c
31.7.121.109 0:0:0:0:0:ffff:1f07:796d
31.7.121.110 0:0:0:0:0:ffff:1f07:796e
31.7.121.111 0:0:0:0:0:ffff:1f07:796f
31.7.121.112 0:0:0:0:0:ffff:1f07:7970
31.7.121.113 0:0:0:0:0:ffff:1f07:7971
31.7.121.114 0:0:0:0:0:ffff:1f07:7972
31.7.121.115 0:0:0:0:0:ffff:1f07:7973
31.7.121.116 0:0:0:0:0:ffff:1f07:7974
31.7.121.117 0:0:0:0:0:ffff:1f07:7975
31.7.121.118 0:0:0:0:0:ffff:1f07:7976
31.7.121.119 0:0:0:0:0:ffff:1f07:7977
31.7.121.120 0:0:0:0:0:ffff:1f07:7978


31.7.121.121 0:0:0:0:0:ffff:1f07:7979
31.7.121.122 0:0:0:0:0:ffff:1f07:797a
31.7.121.123 0:0:0:0:0:ffff:1f07:797b
31.7.121.124 0:0:0:0:0:ffff:1f07:797c
31.7.121.125 0:0:0:0:0:ffff:1f07:797d
31.7.121.126 0:0:0:0:0:ffff:1f07:797e
31.7.121.127 0:0:0:0:0:ffff:1f07:797f
31.7.121.128 0:0:0:0:0:ffff:1f07:7980
31.7.121.129 0:0:0:0:0:ffff:1f07:7981
31.7.121.130 0:0:0:0:0:ffff:1f07:7982
31.7.121.131 0:0:0:0:0:ffff:1f07:7983
31.7.121.132 0:0:0:0:0:ffff:1f07:7984
31.7.121.133 0:0:0:0:0:ffff:1f07:7985
31.7.121.134 0:0:0:0:0:ffff:1f07:7986
31.7.121.135 0:0:0:0:0:ffff:1f07:7987
31.7.121.136 0:0:0:0:0:ffff:1f07:7988
31.7.121.137 0:0:0:0:0:ffff:1f07:7989
31.7.121.138 0:0:0:0:0:ffff:1f07:798a
31.7.121.139 0:0:0:0:0:ffff:1f07:798b
31.7.121.140 0:0:0:0:0:ffff:1f07:798c
31.7.121.141 0:0:0:0:0:ffff:1f07:798d
31.7.121.142 0:0:0:0:0:ffff:1f07:798e
31.7.121.143 0:0:0:0:0:ffff:1f07:798f
31.7.121.144 0:0:0:0:0:ffff:1f07:7990
31.7.121.145 0:0:0:0:0:ffff:1f07:7991
31.7.121.146 0:0:0:0:0:ffff:1f07:7992
31.7.121.147 0:0:0:0:0:ffff:1f07:7993
31.7.121.148 0:0:0:0:0:ffff:1f07:7994
31.7.121.149 0:0:0:0:0:ffff:1f07:7995
31.7.121.150 0:0:0:0:0:ffff:1f07:7996
31.7.121.151 0:0:0:0:0:ffff:1f07:7997
31.7.121.152 0:0:0:0:0:ffff:1f07:7998
31.7.121.153 0:0:0:0:0:ffff:1f07:7999
31.7.121.154 0:0:0:0:0:ffff:1f07:799a
31.7.121.155 0:0:0:0:0:ffff:1f07:799b
31.7.121.156 0:0:0:0:0:ffff:1f07:799c
31.7.121.157 0:0:0:0:0:ffff:1f07:799d
31.7.121.158 0:0:0:0:0:ffff:1f07:799e
31.7.121.159 0:0:0:0:0:ffff:1f07:799f
31.7.121.160 0:0:0:0:0:ffff:1f07:79a0
31.7.121.161 0:0:0:0:0:ffff:1f07:79a1
31.7.121.162 0:0:0:0:0:ffff:1f07:79a2
31.7.121.163 0:0:0:0:0:ffff:1f07:79a3
31.7.121.164 0:0:0:0:0:ffff:1f07:79a4
31.7.121.165 0:0:0:0:0:ffff:1f07:79a5
31.7.121.166 0:0:0:0:0:ffff:1f07:79a6
31.7.121.167 0:0:0:0:0:ffff:1f07:79a7
31.7.121.168 0:0:0:0:0:ffff:1f07:79a8
31.7.121.169 0:0:0:0:0:ffff:1f07:79a9
31.7.121.170 0:0:0:0:0:ffff:1f07:79aa
31.7.121.171 0:0:0:0:0:ffff:1f07:79ab
31.7.121.172 0:0:0:0:0:ffff:1f07:79ac
31.7.121.173 0:0:0:0:0:ffff:1f07:79ad
31.7.121.174 0:0:0:0:0:ffff:1f07:79ae
31.7.121.175 0:0:0:0:0:ffff:1f07:79af
31.7.121.176 0:0:0:0:0:ffff:1f07:79b0
31.7.121.177 0:0:0:0:0:ffff:1f07:79b1
31.7.121.178 0:0:0:0:0:ffff:1f07:79b2
31.7.121.179 0:0:0:0:0:ffff:1f07:79b3
31.7.121.180 0:0:0:0:0:ffff:1f07:79b4


31.7.121.181 0:0:0:0:0:ffff:1f07:79b5
31.7.121.182 0:0:0:0:0:ffff:1f07:79b6
31.7.121.183 0:0:0:0:0:ffff:1f07:79b7
31.7.121.184 0:0:0:0:0:ffff:1f07:79b8
31.7.121.185 0:0:0:0:0:ffff:1f07:79b9
31.7.121.186 0:0:0:0:0:ffff:1f07:79ba
31.7.121.187 0:0:0:0:0:ffff:1f07:79bb
31.7.121.188 0:0:0:0:0:ffff:1f07:79bc
31.7.121.189 0:0:0:0:0:ffff:1f07:79bd
31.7.121.190 0:0:0:0:0:ffff:1f07:79be
31.7.121.191 0:0:0:0:0:ffff:1f07:79bf
31.7.121.192 0:0:0:0:0:ffff:1f07:79c0
31.7.121.193 0:0:0:0:0:ffff:1f07:79c1
31.7.121.194 0:0:0:0:0:ffff:1f07:79c2
31.7.121.195 0:0:0:0:0:ffff:1f07:79c3
31.7.121.196 0:0:0:0:0:ffff:1f07:79c4
31.7.121.197 0:0:0:0:0:ffff:1f07:79c5
31.7.121.198 0:0:0:0:0:ffff:1f07:79c6
31.7.121.199 0:0:0:0:0:ffff:1f07:79c7
31.7.121.200 0:0:0:0:0:ffff:1f07:79c8
31.7.121.201 0:0:0:0:0:ffff:1f07:79c9
31.7.121.202 0:0:0:0:0:ffff:1f07:79ca
31.7.121.203 0:0:0:0:0:ffff:1f07:79cb
31.7.121.204 0:0:0:0:0:ffff:1f07:79cc
31.7.121.205 0:0:0:0:0:ffff:1f07:79cd
31.7.121.206 0:0:0:0:0:ffff:1f07:79ce
31.7.121.207 0:0:0:0:0:ffff:1f07:79cf
31.7.121.208 0:0:0:0:0:ffff:1f07:79d0
31.7.121.209 0:0:0:0:0:ffff:1f07:79d1
31.7.121.210 0:0:0:0:0:ffff:1f07:79d2
31.7.121.211 0:0:0:0:0:ffff:1f07:79d3
31.7.121.212 0:0:0:0:0:ffff:1f07:79d4
31.7.121.213 0:0:0:0:0:ffff:1f07:79d5
31.7.121.214 0:0:0:0:0:ffff:1f07:79d6
31.7.121.215 0:0:0:0:0:ffff:1f07:79d7
31.7.121.216 0:0:0:0:0:ffff:1f07:79d8
31.7.121.217 0:0:0:0:0:ffff:1f07:79d9
31.7.121.218 0:0:0:0:0:ffff:1f07:79da
31.7.121.219 0:0:0:0:0:ffff:1f07:79db
31.7.121.220 0:0:0:0:0:ffff:1f07:79dc
31.7.121.221 0:0:0:0:0:ffff:1f07:79dd
31.7.121.222 0:0:0:0:0:ffff:1f07:79de
31.7.121.223 0:0:0:0:0:ffff:1f07:79df
31.7.121.224 0:0:0:0:0:ffff:1f07:79e0
31.7.121.225 0:0:0:0:0:ffff:1f07:79e1
31.7.121.226 0:0:0:0:0:ffff:1f07:79e2
31.7.121.227 0:0:0:0:0:ffff:1f07:79e3
31.7.121.228 0:0:0:0:0:ffff:1f07:79e4
31.7.121.229 0:0:0:0:0:ffff:1f07:79e5
31.7.121.230 0:0:0:0:0:ffff:1f07:79e6
31.7.121.231 0:0:0:0:0:ffff:1f07:79e7
31.7.121.232 0:0:0:0:0:ffff:1f07:79e8
31.7.121.233 0:0:0:0:0:ffff:1f07:79e9
31.7.121.234 0:0:0:0:0:ffff:1f07:79ea
31.7.121.235 0:0:0:0:0:ffff:1f07:79eb
31.7.121.236 0:0:0:0:0:ffff:1f07:79ec
31.7.121.237 0:0:0:0:0:ffff:1f07:79ed
31.7.121.238 0:0:0:0:0:ffff:1f07:79ee
31.7.121.239 0:0:0:0:0:ffff:1f07:79ef
31.7.121.240 0:0:0:0:0:ffff:1f07:79f0
31.7.121.241 0:0:0:0:0:ffff:1f07:79f1
31.7.121.242 0:0:0:0:0:ffff:1f07:79f2
31.7.121.243 0:0:0:0:0:ffff:1f07:79f3
31.7.121.244 0:0:0:0:0:ffff:1f07:79f4
31.7.121.245 0:0:0:0:0:ffff:1f07:79f5
31.7.121.246 0:0:0:0:0:ffff:1f07:79f6
31.7.121.247 0:0:0:0:0:ffff:1f07:79f7
31.7.121.248 0:0:0:0:0:ffff:1f07:79f8
31.7.121.249 0:0:0:0:0:ffff:1f07:79f9
31.7.121.250 0:0:0:0:0:ffff:1f07:79fa
31.7.121.251 0:0:0:0:0:ffff:1f07:79fb
31.7.121.252 0:0:0:0:0:ffff:1f07:79fc
31.7.121.253 0:0:0:0:0:ffff:1f07:79fd
31.7.121.254 0:0:0:0:0:ffff:1f07:79fe
31.7.121.255 0:0:0:0:0:ffff:1f07:79ff


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.