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
157.147.121.1 0:0:0:0:0:ffff:9d93:7901
157.147.121.2 0:0:0:0:0:ffff:9d93:7902
157.147.121.3 0:0:0:0:0:ffff:9d93:7903
157.147.121.4 0:0:0:0:0:ffff:9d93:7904
157.147.121.5 0:0:0:0:0:ffff:9d93:7905
157.147.121.6 0:0:0:0:0:ffff:9d93:7906
157.147.121.7 0:0:0:0:0:ffff:9d93:7907
157.147.121.8 0:0:0:0:0:ffff:9d93:7908
157.147.121.9 0:0:0:0:0:ffff:9d93:7909
157.147.121.10 0:0:0:0:0:ffff:9d93:790a
157.147.121.11 0:0:0:0:0:ffff:9d93:790b
157.147.121.12 0:0:0:0:0:ffff:9d93:790c
157.147.121.13 0:0:0:0:0:ffff:9d93:790d
157.147.121.14 0:0:0:0:0:ffff:9d93:790e
157.147.121.15 0:0:0:0:0:ffff:9d93:790f
157.147.121.16 0:0:0:0:0:ffff:9d93:7910
157.147.121.17 0:0:0:0:0:ffff:9d93:7911
157.147.121.18 0:0:0:0:0:ffff:9d93:7912
157.147.121.19 0:0:0:0:0:ffff:9d93:7913
157.147.121.20 0:0:0:0:0:ffff:9d93:7914
157.147.121.21 0:0:0:0:0:ffff:9d93:7915
157.147.121.22 0:0:0:0:0:ffff:9d93:7916
157.147.121.23 0:0:0:0:0:ffff:9d93:7917
157.147.121.24 0:0:0:0:0:ffff:9d93:7918
157.147.121.25 0:0:0:0:0:ffff:9d93:7919
157.147.121.26 0:0:0:0:0:ffff:9d93:791a
157.147.121.27 0:0:0:0:0:ffff:9d93:791b
157.147.121.28 0:0:0:0:0:ffff:9d93:791c
157.147.121.29 0:0:0:0:0:ffff:9d93:791d
157.147.121.30 0:0:0:0:0:ffff:9d93:791e
157.147.121.31 0:0:0:0:0:ffff:9d93:791f
157.147.121.32 0:0:0:0:0:ffff:9d93:7920
157.147.121.33 0:0:0:0:0:ffff:9d93:7921
157.147.121.34 0:0:0:0:0:ffff:9d93:7922
157.147.121.35 0:0:0:0:0:ffff:9d93:7923
157.147.121.36 0:0:0:0:0:ffff:9d93:7924
157.147.121.37 0:0:0:0:0:ffff:9d93:7925
157.147.121.38 0:0:0:0:0:ffff:9d93:7926
157.147.121.39 0:0:0:0:0:ffff:9d93:7927
157.147.121.40 0:0:0:0:0:ffff:9d93:7928
157.147.121.41 0:0:0:0:0:ffff:9d93:7929
157.147.121.42 0:0:0:0:0:ffff:9d93:792a
157.147.121.43 0:0:0:0:0:ffff:9d93:792b
157.147.121.44 0:0:0:0:0:ffff:9d93:792c
157.147.121.45 0:0:0:0:0:ffff:9d93:792d
157.147.121.46 0:0:0:0:0:ffff:9d93:792e
157.147.121.47 0:0:0:0:0:ffff:9d93:792f
157.147.121.48 0:0:0:0:0:ffff:9d93:7930
157.147.121.49 0:0:0:0:0:ffff:9d93:7931
157.147.121.50 0:0:0:0:0:ffff:9d93:7932
157.147.121.51 0:0:0:0:0:ffff:9d93:7933
157.147.121.52 0:0:0:0:0:ffff:9d93:7934
157.147.121.53 0:0:0:0:0:ffff:9d93:7935
157.147.121.54 0:0:0:0:0:ffff:9d93:7936
157.147.121.55 0:0:0:0:0:ffff:9d93:7937
157.147.121.56 0:0:0:0:0:ffff:9d93:7938
157.147.121.57 0:0:0:0:0:ffff:9d93:7939
157.147.121.58 0:0:0:0:0:ffff:9d93:793a
157.147.121.59 0:0:0:0:0:ffff:9d93:793b
157.147.121.60 0:0:0:0:0:ffff:9d93:793c


157.147.121.61 0:0:0:0:0:ffff:9d93:793d
157.147.121.62 0:0:0:0:0:ffff:9d93:793e
157.147.121.63 0:0:0:0:0:ffff:9d93:793f
157.147.121.64 0:0:0:0:0:ffff:9d93:7940
157.147.121.65 0:0:0:0:0:ffff:9d93:7941
157.147.121.66 0:0:0:0:0:ffff:9d93:7942
157.147.121.67 0:0:0:0:0:ffff:9d93:7943
157.147.121.68 0:0:0:0:0:ffff:9d93:7944
157.147.121.69 0:0:0:0:0:ffff:9d93:7945
157.147.121.70 0:0:0:0:0:ffff:9d93:7946
157.147.121.71 0:0:0:0:0:ffff:9d93:7947
157.147.121.72 0:0:0:0:0:ffff:9d93:7948
157.147.121.73 0:0:0:0:0:ffff:9d93:7949
157.147.121.74 0:0:0:0:0:ffff:9d93:794a
157.147.121.75 0:0:0:0:0:ffff:9d93:794b
157.147.121.76 0:0:0:0:0:ffff:9d93:794c
157.147.121.77 0:0:0:0:0:ffff:9d93:794d
157.147.121.78 0:0:0:0:0:ffff:9d93:794e
157.147.121.79 0:0:0:0:0:ffff:9d93:794f
157.147.121.80 0:0:0:0:0:ffff:9d93:7950
157.147.121.81 0:0:0:0:0:ffff:9d93:7951
157.147.121.82 0:0:0:0:0:ffff:9d93:7952
157.147.121.83 0:0:0:0:0:ffff:9d93:7953
157.147.121.84 0:0:0:0:0:ffff:9d93:7954
157.147.121.85 0:0:0:0:0:ffff:9d93:7955
157.147.121.86 0:0:0:0:0:ffff:9d93:7956
157.147.121.87 0:0:0:0:0:ffff:9d93:7957
157.147.121.88 0:0:0:0:0:ffff:9d93:7958
157.147.121.89 0:0:0:0:0:ffff:9d93:7959
157.147.121.90 0:0:0:0:0:ffff:9d93:795a
157.147.121.91 0:0:0:0:0:ffff:9d93:795b
157.147.121.92 0:0:0:0:0:ffff:9d93:795c
157.147.121.93 0:0:0:0:0:ffff:9d93:795d
157.147.121.94 0:0:0:0:0:ffff:9d93:795e
157.147.121.95 0:0:0:0:0:ffff:9d93:795f
157.147.121.96 0:0:0:0:0:ffff:9d93:7960
157.147.121.97 0:0:0:0:0:ffff:9d93:7961
157.147.121.98 0:0:0:0:0:ffff:9d93:7962
157.147.121.99 0:0:0:0:0:ffff:9d93:7963
157.147.121.100 0:0:0:0:0:ffff:9d93:7964
157.147.121.101 0:0:0:0:0:ffff:9d93:7965
157.147.121.102 0:0:0:0:0:ffff:9d93:7966
157.147.121.103 0:0:0:0:0:ffff:9d93:7967
157.147.121.104 0:0:0:0:0:ffff:9d93:7968
157.147.121.105 0:0:0:0:0:ffff:9d93:7969
157.147.121.106 0:0:0:0:0:ffff:9d93:796a
157.147.121.107 0:0:0:0:0:ffff:9d93:796b
157.147.121.108 0:0:0:0:0:ffff:9d93:796c
157.147.121.109 0:0:0:0:0:ffff:9d93:796d
157.147.121.110 0:0:0:0:0:ffff:9d93:796e
157.147.121.111 0:0:0:0:0:ffff:9d93:796f
157.147.121.112 0:0:0:0:0:ffff:9d93:7970
157.147.121.113 0:0:0:0:0:ffff:9d93:7971
157.147.121.114 0:0:0:0:0:ffff:9d93:7972
157.147.121.115 0:0:0:0:0:ffff:9d93:7973
157.147.121.116 0:0:0:0:0:ffff:9d93:7974
157.147.121.117 0:0:0:0:0:ffff:9d93:7975
157.147.121.118 0:0:0:0:0:ffff:9d93:7976
157.147.121.119 0:0:0:0:0:ffff:9d93:7977
157.147.121.120 0:0:0:0:0:ffff:9d93:7978


157.147.121.121 0:0:0:0:0:ffff:9d93:7979
157.147.121.122 0:0:0:0:0:ffff:9d93:797a
157.147.121.123 0:0:0:0:0:ffff:9d93:797b
157.147.121.124 0:0:0:0:0:ffff:9d93:797c
157.147.121.125 0:0:0:0:0:ffff:9d93:797d
157.147.121.126 0:0:0:0:0:ffff:9d93:797e
157.147.121.127 0:0:0:0:0:ffff:9d93:797f
157.147.121.128 0:0:0:0:0:ffff:9d93:7980
157.147.121.129 0:0:0:0:0:ffff:9d93:7981
157.147.121.130 0:0:0:0:0:ffff:9d93:7982
157.147.121.131 0:0:0:0:0:ffff:9d93:7983
157.147.121.132 0:0:0:0:0:ffff:9d93:7984
157.147.121.133 0:0:0:0:0:ffff:9d93:7985
157.147.121.134 0:0:0:0:0:ffff:9d93:7986
157.147.121.135 0:0:0:0:0:ffff:9d93:7987
157.147.121.136 0:0:0:0:0:ffff:9d93:7988
157.147.121.137 0:0:0:0:0:ffff:9d93:7989
157.147.121.138 0:0:0:0:0:ffff:9d93:798a
157.147.121.139 0:0:0:0:0:ffff:9d93:798b
157.147.121.140 0:0:0:0:0:ffff:9d93:798c
157.147.121.141 0:0:0:0:0:ffff:9d93:798d
157.147.121.142 0:0:0:0:0:ffff:9d93:798e
157.147.121.143 0:0:0:0:0:ffff:9d93:798f
157.147.121.144 0:0:0:0:0:ffff:9d93:7990
157.147.121.145 0:0:0:0:0:ffff:9d93:7991
157.147.121.146 0:0:0:0:0:ffff:9d93:7992
157.147.121.147 0:0:0:0:0:ffff:9d93:7993
157.147.121.148 0:0:0:0:0:ffff:9d93:7994
157.147.121.149 0:0:0:0:0:ffff:9d93:7995
157.147.121.150 0:0:0:0:0:ffff:9d93:7996
157.147.121.151 0:0:0:0:0:ffff:9d93:7997
157.147.121.152 0:0:0:0:0:ffff:9d93:7998
157.147.121.153 0:0:0:0:0:ffff:9d93:7999
157.147.121.154 0:0:0:0:0:ffff:9d93:799a
157.147.121.155 0:0:0:0:0:ffff:9d93:799b
157.147.121.156 0:0:0:0:0:ffff:9d93:799c
157.147.121.157 0:0:0:0:0:ffff:9d93:799d
157.147.121.158 0:0:0:0:0:ffff:9d93:799e
157.147.121.159 0:0:0:0:0:ffff:9d93:799f
157.147.121.160 0:0:0:0:0:ffff:9d93:79a0
157.147.121.161 0:0:0:0:0:ffff:9d93:79a1
157.147.121.162 0:0:0:0:0:ffff:9d93:79a2
157.147.121.163 0:0:0:0:0:ffff:9d93:79a3
157.147.121.164 0:0:0:0:0:ffff:9d93:79a4
157.147.121.165 0:0:0:0:0:ffff:9d93:79a5
157.147.121.166 0:0:0:0:0:ffff:9d93:79a6
157.147.121.167 0:0:0:0:0:ffff:9d93:79a7
157.147.121.168 0:0:0:0:0:ffff:9d93:79a8
157.147.121.169 0:0:0:0:0:ffff:9d93:79a9
157.147.121.170 0:0:0:0:0:ffff:9d93:79aa
157.147.121.171 0:0:0:0:0:ffff:9d93:79ab
157.147.121.172 0:0:0:0:0:ffff:9d93:79ac
157.147.121.173 0:0:0:0:0:ffff:9d93:79ad
157.147.121.174 0:0:0:0:0:ffff:9d93:79ae
157.147.121.175 0:0:0:0:0:ffff:9d93:79af
157.147.121.176 0:0:0:0:0:ffff:9d93:79b0
157.147.121.177 0:0:0:0:0:ffff:9d93:79b1
157.147.121.178 0:0:0:0:0:ffff:9d93:79b2
157.147.121.179 0:0:0:0:0:ffff:9d93:79b3
157.147.121.180 0:0:0:0:0:ffff:9d93:79b4


157.147.121.181 0:0:0:0:0:ffff:9d93:79b5
157.147.121.182 0:0:0:0:0:ffff:9d93:79b6
157.147.121.183 0:0:0:0:0:ffff:9d93:79b7
157.147.121.184 0:0:0:0:0:ffff:9d93:79b8
157.147.121.185 0:0:0:0:0:ffff:9d93:79b9
157.147.121.186 0:0:0:0:0:ffff:9d93:79ba
157.147.121.187 0:0:0:0:0:ffff:9d93:79bb
157.147.121.188 0:0:0:0:0:ffff:9d93:79bc
157.147.121.189 0:0:0:0:0:ffff:9d93:79bd
157.147.121.190 0:0:0:0:0:ffff:9d93:79be
157.147.121.191 0:0:0:0:0:ffff:9d93:79bf
157.147.121.192 0:0:0:0:0:ffff:9d93:79c0
157.147.121.193 0:0:0:0:0:ffff:9d93:79c1
157.147.121.194 0:0:0:0:0:ffff:9d93:79c2
157.147.121.195 0:0:0:0:0:ffff:9d93:79c3
157.147.121.196 0:0:0:0:0:ffff:9d93:79c4
157.147.121.197 0:0:0:0:0:ffff:9d93:79c5
157.147.121.198 0:0:0:0:0:ffff:9d93:79c6
157.147.121.199 0:0:0:0:0:ffff:9d93:79c7
157.147.121.200 0:0:0:0:0:ffff:9d93:79c8
157.147.121.201 0:0:0:0:0:ffff:9d93:79c9
157.147.121.202 0:0:0:0:0:ffff:9d93:79ca
157.147.121.203 0:0:0:0:0:ffff:9d93:79cb
157.147.121.204 0:0:0:0:0:ffff:9d93:79cc
157.147.121.205 0:0:0:0:0:ffff:9d93:79cd
157.147.121.206 0:0:0:0:0:ffff:9d93:79ce
157.147.121.207 0:0:0:0:0:ffff:9d93:79cf
157.147.121.208 0:0:0:0:0:ffff:9d93:79d0
157.147.121.209 0:0:0:0:0:ffff:9d93:79d1
157.147.121.210 0:0:0:0:0:ffff:9d93:79d2
157.147.121.211 0:0:0:0:0:ffff:9d93:79d3
157.147.121.212 0:0:0:0:0:ffff:9d93:79d4
157.147.121.213 0:0:0:0:0:ffff:9d93:79d5
157.147.121.214 0:0:0:0:0:ffff:9d93:79d6
157.147.121.215 0:0:0:0:0:ffff:9d93:79d7
157.147.121.216 0:0:0:0:0:ffff:9d93:79d8
157.147.121.217 0:0:0:0:0:ffff:9d93:79d9
157.147.121.218 0:0:0:0:0:ffff:9d93:79da
157.147.121.219 0:0:0:0:0:ffff:9d93:79db
157.147.121.220 0:0:0:0:0:ffff:9d93:79dc
157.147.121.221 0:0:0:0:0:ffff:9d93:79dd
157.147.121.222 0:0:0:0:0:ffff:9d93:79de
157.147.121.223 0:0:0:0:0:ffff:9d93:79df
157.147.121.224 0:0:0:0:0:ffff:9d93:79e0
157.147.121.225 0:0:0:0:0:ffff:9d93:79e1
157.147.121.226 0:0:0:0:0:ffff:9d93:79e2
157.147.121.227 0:0:0:0:0:ffff:9d93:79e3
157.147.121.228 0:0:0:0:0:ffff:9d93:79e4
157.147.121.229 0:0:0:0:0:ffff:9d93:79e5
157.147.121.230 0:0:0:0:0:ffff:9d93:79e6
157.147.121.231 0:0:0:0:0:ffff:9d93:79e7
157.147.121.232 0:0:0:0:0:ffff:9d93:79e8
157.147.121.233 0:0:0:0:0:ffff:9d93:79e9
157.147.121.234 0:0:0:0:0:ffff:9d93:79ea
157.147.121.235 0:0:0:0:0:ffff:9d93:79eb
157.147.121.236 0:0:0:0:0:ffff:9d93:79ec
157.147.121.237 0:0:0:0:0:ffff:9d93:79ed
157.147.121.238 0:0:0:0:0:ffff:9d93:79ee
157.147.121.239 0:0:0:0:0:ffff:9d93:79ef
157.147.121.240 0:0:0:0:0:ffff:9d93:79f0
157.147.121.241 0:0:0:0:0:ffff:9d93:79f1
157.147.121.242 0:0:0:0:0:ffff:9d93:79f2
157.147.121.243 0:0:0:0:0:ffff:9d93:79f3
157.147.121.244 0:0:0:0:0:ffff:9d93:79f4
157.147.121.245 0:0:0:0:0:ffff:9d93:79f5
157.147.121.246 0:0:0:0:0:ffff:9d93:79f6
157.147.121.247 0:0:0:0:0:ffff:9d93:79f7
157.147.121.248 0:0:0:0:0:ffff:9d93:79f8
157.147.121.249 0:0:0:0:0:ffff:9d93:79f9
157.147.121.250 0:0:0:0:0:ffff:9d93:79fa
157.147.121.251 0:0:0:0:0:ffff:9d93:79fb
157.147.121.252 0:0:0:0:0:ffff:9d93:79fc
157.147.121.253 0:0:0:0:0:ffff:9d93:79fd
157.147.121.254 0:0:0:0:0:ffff:9d93:79fe
157.147.121.255 0:0:0:0:0:ffff:9d93:79ff


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.