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
143.243.137.1 0:0:0:0:0:ffff:8ff3:8901
143.243.137.2 0:0:0:0:0:ffff:8ff3:8902
143.243.137.3 0:0:0:0:0:ffff:8ff3:8903
143.243.137.4 0:0:0:0:0:ffff:8ff3:8904
143.243.137.5 0:0:0:0:0:ffff:8ff3:8905
143.243.137.6 0:0:0:0:0:ffff:8ff3:8906
143.243.137.7 0:0:0:0:0:ffff:8ff3:8907
143.243.137.8 0:0:0:0:0:ffff:8ff3:8908
143.243.137.9 0:0:0:0:0:ffff:8ff3:8909
143.243.137.10 0:0:0:0:0:ffff:8ff3:890a
143.243.137.11 0:0:0:0:0:ffff:8ff3:890b
143.243.137.12 0:0:0:0:0:ffff:8ff3:890c
143.243.137.13 0:0:0:0:0:ffff:8ff3:890d
143.243.137.14 0:0:0:0:0:ffff:8ff3:890e
143.243.137.15 0:0:0:0:0:ffff:8ff3:890f
143.243.137.16 0:0:0:0:0:ffff:8ff3:8910
143.243.137.17 0:0:0:0:0:ffff:8ff3:8911
143.243.137.18 0:0:0:0:0:ffff:8ff3:8912
143.243.137.19 0:0:0:0:0:ffff:8ff3:8913
143.243.137.20 0:0:0:0:0:ffff:8ff3:8914
143.243.137.21 0:0:0:0:0:ffff:8ff3:8915
143.243.137.22 0:0:0:0:0:ffff:8ff3:8916
143.243.137.23 0:0:0:0:0:ffff:8ff3:8917
143.243.137.24 0:0:0:0:0:ffff:8ff3:8918
143.243.137.25 0:0:0:0:0:ffff:8ff3:8919
143.243.137.26 0:0:0:0:0:ffff:8ff3:891a
143.243.137.27 0:0:0:0:0:ffff:8ff3:891b
143.243.137.28 0:0:0:0:0:ffff:8ff3:891c
143.243.137.29 0:0:0:0:0:ffff:8ff3:891d
143.243.137.30 0:0:0:0:0:ffff:8ff3:891e
143.243.137.31 0:0:0:0:0:ffff:8ff3:891f
143.243.137.32 0:0:0:0:0:ffff:8ff3:8920
143.243.137.33 0:0:0:0:0:ffff:8ff3:8921
143.243.137.34 0:0:0:0:0:ffff:8ff3:8922
143.243.137.35 0:0:0:0:0:ffff:8ff3:8923
143.243.137.36 0:0:0:0:0:ffff:8ff3:8924
143.243.137.37 0:0:0:0:0:ffff:8ff3:8925
143.243.137.38 0:0:0:0:0:ffff:8ff3:8926
143.243.137.39 0:0:0:0:0:ffff:8ff3:8927
143.243.137.40 0:0:0:0:0:ffff:8ff3:8928
143.243.137.41 0:0:0:0:0:ffff:8ff3:8929
143.243.137.42 0:0:0:0:0:ffff:8ff3:892a
143.243.137.43 0:0:0:0:0:ffff:8ff3:892b
143.243.137.44 0:0:0:0:0:ffff:8ff3:892c
143.243.137.45 0:0:0:0:0:ffff:8ff3:892d
143.243.137.46 0:0:0:0:0:ffff:8ff3:892e
143.243.137.47 0:0:0:0:0:ffff:8ff3:892f
143.243.137.48 0:0:0:0:0:ffff:8ff3:8930
143.243.137.49 0:0:0:0:0:ffff:8ff3:8931
143.243.137.50 0:0:0:0:0:ffff:8ff3:8932
143.243.137.51 0:0:0:0:0:ffff:8ff3:8933
143.243.137.52 0:0:0:0:0:ffff:8ff3:8934
143.243.137.53 0:0:0:0:0:ffff:8ff3:8935
143.243.137.54 0:0:0:0:0:ffff:8ff3:8936
143.243.137.55 0:0:0:0:0:ffff:8ff3:8937
143.243.137.56 0:0:0:0:0:ffff:8ff3:8938
143.243.137.57 0:0:0:0:0:ffff:8ff3:8939
143.243.137.58 0:0:0:0:0:ffff:8ff3:893a
143.243.137.59 0:0:0:0:0:ffff:8ff3:893b
143.243.137.60 0:0:0:0:0:ffff:8ff3:893c


143.243.137.61 0:0:0:0:0:ffff:8ff3:893d
143.243.137.62 0:0:0:0:0:ffff:8ff3:893e
143.243.137.63 0:0:0:0:0:ffff:8ff3:893f
143.243.137.64 0:0:0:0:0:ffff:8ff3:8940
143.243.137.65 0:0:0:0:0:ffff:8ff3:8941
143.243.137.66 0:0:0:0:0:ffff:8ff3:8942
143.243.137.67 0:0:0:0:0:ffff:8ff3:8943
143.243.137.68 0:0:0:0:0:ffff:8ff3:8944
143.243.137.69 0:0:0:0:0:ffff:8ff3:8945
143.243.137.70 0:0:0:0:0:ffff:8ff3:8946
143.243.137.71 0:0:0:0:0:ffff:8ff3:8947
143.243.137.72 0:0:0:0:0:ffff:8ff3:8948
143.243.137.73 0:0:0:0:0:ffff:8ff3:8949
143.243.137.74 0:0:0:0:0:ffff:8ff3:894a
143.243.137.75 0:0:0:0:0:ffff:8ff3:894b
143.243.137.76 0:0:0:0:0:ffff:8ff3:894c
143.243.137.77 0:0:0:0:0:ffff:8ff3:894d
143.243.137.78 0:0:0:0:0:ffff:8ff3:894e
143.243.137.79 0:0:0:0:0:ffff:8ff3:894f
143.243.137.80 0:0:0:0:0:ffff:8ff3:8950
143.243.137.81 0:0:0:0:0:ffff:8ff3:8951
143.243.137.82 0:0:0:0:0:ffff:8ff3:8952
143.243.137.83 0:0:0:0:0:ffff:8ff3:8953
143.243.137.84 0:0:0:0:0:ffff:8ff3:8954
143.243.137.85 0:0:0:0:0:ffff:8ff3:8955
143.243.137.86 0:0:0:0:0:ffff:8ff3:8956
143.243.137.87 0:0:0:0:0:ffff:8ff3:8957
143.243.137.88 0:0:0:0:0:ffff:8ff3:8958
143.243.137.89 0:0:0:0:0:ffff:8ff3:8959
143.243.137.90 0:0:0:0:0:ffff:8ff3:895a
143.243.137.91 0:0:0:0:0:ffff:8ff3:895b
143.243.137.92 0:0:0:0:0:ffff:8ff3:895c
143.243.137.93 0:0:0:0:0:ffff:8ff3:895d
143.243.137.94 0:0:0:0:0:ffff:8ff3:895e
143.243.137.95 0:0:0:0:0:ffff:8ff3:895f
143.243.137.96 0:0:0:0:0:ffff:8ff3:8960
143.243.137.97 0:0:0:0:0:ffff:8ff3:8961
143.243.137.98 0:0:0:0:0:ffff:8ff3:8962
143.243.137.99 0:0:0:0:0:ffff:8ff3:8963
143.243.137.100 0:0:0:0:0:ffff:8ff3:8964
143.243.137.101 0:0:0:0:0:ffff:8ff3:8965
143.243.137.102 0:0:0:0:0:ffff:8ff3:8966
143.243.137.103 0:0:0:0:0:ffff:8ff3:8967
143.243.137.104 0:0:0:0:0:ffff:8ff3:8968
143.243.137.105 0:0:0:0:0:ffff:8ff3:8969
143.243.137.106 0:0:0:0:0:ffff:8ff3:896a
143.243.137.107 0:0:0:0:0:ffff:8ff3:896b
143.243.137.108 0:0:0:0:0:ffff:8ff3:896c
143.243.137.109 0:0:0:0:0:ffff:8ff3:896d
143.243.137.110 0:0:0:0:0:ffff:8ff3:896e
143.243.137.111 0:0:0:0:0:ffff:8ff3:896f
143.243.137.112 0:0:0:0:0:ffff:8ff3:8970
143.243.137.113 0:0:0:0:0:ffff:8ff3:8971
143.243.137.114 0:0:0:0:0:ffff:8ff3:8972
143.243.137.115 0:0:0:0:0:ffff:8ff3:8973
143.243.137.116 0:0:0:0:0:ffff:8ff3:8974
143.243.137.117 0:0:0:0:0:ffff:8ff3:8975
143.243.137.118 0:0:0:0:0:ffff:8ff3:8976
143.243.137.119 0:0:0:0:0:ffff:8ff3:8977
143.243.137.120 0:0:0:0:0:ffff:8ff3:8978


143.243.137.121 0:0:0:0:0:ffff:8ff3:8979
143.243.137.122 0:0:0:0:0:ffff:8ff3:897a
143.243.137.123 0:0:0:0:0:ffff:8ff3:897b
143.243.137.124 0:0:0:0:0:ffff:8ff3:897c
143.243.137.125 0:0:0:0:0:ffff:8ff3:897d
143.243.137.126 0:0:0:0:0:ffff:8ff3:897e
143.243.137.127 0:0:0:0:0:ffff:8ff3:897f
143.243.137.128 0:0:0:0:0:ffff:8ff3:8980
143.243.137.129 0:0:0:0:0:ffff:8ff3:8981
143.243.137.130 0:0:0:0:0:ffff:8ff3:8982
143.243.137.131 0:0:0:0:0:ffff:8ff3:8983
143.243.137.132 0:0:0:0:0:ffff:8ff3:8984
143.243.137.133 0:0:0:0:0:ffff:8ff3:8985
143.243.137.134 0:0:0:0:0:ffff:8ff3:8986
143.243.137.135 0:0:0:0:0:ffff:8ff3:8987
143.243.137.136 0:0:0:0:0:ffff:8ff3:8988
143.243.137.137 0:0:0:0:0:ffff:8ff3:8989
143.243.137.138 0:0:0:0:0:ffff:8ff3:898a
143.243.137.139 0:0:0:0:0:ffff:8ff3:898b
143.243.137.140 0:0:0:0:0:ffff:8ff3:898c
143.243.137.141 0:0:0:0:0:ffff:8ff3:898d
143.243.137.142 0:0:0:0:0:ffff:8ff3:898e
143.243.137.143 0:0:0:0:0:ffff:8ff3:898f
143.243.137.144 0:0:0:0:0:ffff:8ff3:8990
143.243.137.145 0:0:0:0:0:ffff:8ff3:8991
143.243.137.146 0:0:0:0:0:ffff:8ff3:8992
143.243.137.147 0:0:0:0:0:ffff:8ff3:8993
143.243.137.148 0:0:0:0:0:ffff:8ff3:8994
143.243.137.149 0:0:0:0:0:ffff:8ff3:8995
143.243.137.150 0:0:0:0:0:ffff:8ff3:8996
143.243.137.151 0:0:0:0:0:ffff:8ff3:8997
143.243.137.152 0:0:0:0:0:ffff:8ff3:8998
143.243.137.153 0:0:0:0:0:ffff:8ff3:8999
143.243.137.154 0:0:0:0:0:ffff:8ff3:899a
143.243.137.155 0:0:0:0:0:ffff:8ff3:899b
143.243.137.156 0:0:0:0:0:ffff:8ff3:899c
143.243.137.157 0:0:0:0:0:ffff:8ff3:899d
143.243.137.158 0:0:0:0:0:ffff:8ff3:899e
143.243.137.159 0:0:0:0:0:ffff:8ff3:899f
143.243.137.160 0:0:0:0:0:ffff:8ff3:89a0
143.243.137.161 0:0:0:0:0:ffff:8ff3:89a1
143.243.137.162 0:0:0:0:0:ffff:8ff3:89a2
143.243.137.163 0:0:0:0:0:ffff:8ff3:89a3
143.243.137.164 0:0:0:0:0:ffff:8ff3:89a4
143.243.137.165 0:0:0:0:0:ffff:8ff3:89a5
143.243.137.166 0:0:0:0:0:ffff:8ff3:89a6
143.243.137.167 0:0:0:0:0:ffff:8ff3:89a7
143.243.137.168 0:0:0:0:0:ffff:8ff3:89a8
143.243.137.169 0:0:0:0:0:ffff:8ff3:89a9
143.243.137.170 0:0:0:0:0:ffff:8ff3:89aa
143.243.137.171 0:0:0:0:0:ffff:8ff3:89ab
143.243.137.172 0:0:0:0:0:ffff:8ff3:89ac
143.243.137.173 0:0:0:0:0:ffff:8ff3:89ad
143.243.137.174 0:0:0:0:0:ffff:8ff3:89ae
143.243.137.175 0:0:0:0:0:ffff:8ff3:89af
143.243.137.176 0:0:0:0:0:ffff:8ff3:89b0
143.243.137.177 0:0:0:0:0:ffff:8ff3:89b1
143.243.137.178 0:0:0:0:0:ffff:8ff3:89b2
143.243.137.179 0:0:0:0:0:ffff:8ff3:89b3
143.243.137.180 0:0:0:0:0:ffff:8ff3:89b4


143.243.137.181 0:0:0:0:0:ffff:8ff3:89b5
143.243.137.182 0:0:0:0:0:ffff:8ff3:89b6
143.243.137.183 0:0:0:0:0:ffff:8ff3:89b7
143.243.137.184 0:0:0:0:0:ffff:8ff3:89b8
143.243.137.185 0:0:0:0:0:ffff:8ff3:89b9
143.243.137.186 0:0:0:0:0:ffff:8ff3:89ba
143.243.137.187 0:0:0:0:0:ffff:8ff3:89bb
143.243.137.188 0:0:0:0:0:ffff:8ff3:89bc
143.243.137.189 0:0:0:0:0:ffff:8ff3:89bd
143.243.137.190 0:0:0:0:0:ffff:8ff3:89be
143.243.137.191 0:0:0:0:0:ffff:8ff3:89bf
143.243.137.192 0:0:0:0:0:ffff:8ff3:89c0
143.243.137.193 0:0:0:0:0:ffff:8ff3:89c1
143.243.137.194 0:0:0:0:0:ffff:8ff3:89c2
143.243.137.195 0:0:0:0:0:ffff:8ff3:89c3
143.243.137.196 0:0:0:0:0:ffff:8ff3:89c4
143.243.137.197 0:0:0:0:0:ffff:8ff3:89c5
143.243.137.198 0:0:0:0:0:ffff:8ff3:89c6
143.243.137.199 0:0:0:0:0:ffff:8ff3:89c7
143.243.137.200 0:0:0:0:0:ffff:8ff3:89c8
143.243.137.201 0:0:0:0:0:ffff:8ff3:89c9
143.243.137.202 0:0:0:0:0:ffff:8ff3:89ca
143.243.137.203 0:0:0:0:0:ffff:8ff3:89cb
143.243.137.204 0:0:0:0:0:ffff:8ff3:89cc
143.243.137.205 0:0:0:0:0:ffff:8ff3:89cd
143.243.137.206 0:0:0:0:0:ffff:8ff3:89ce
143.243.137.207 0:0:0:0:0:ffff:8ff3:89cf
143.243.137.208 0:0:0:0:0:ffff:8ff3:89d0
143.243.137.209 0:0:0:0:0:ffff:8ff3:89d1
143.243.137.210 0:0:0:0:0:ffff:8ff3:89d2
143.243.137.211 0:0:0:0:0:ffff:8ff3:89d3
143.243.137.212 0:0:0:0:0:ffff:8ff3:89d4
143.243.137.213 0:0:0:0:0:ffff:8ff3:89d5
143.243.137.214 0:0:0:0:0:ffff:8ff3:89d6
143.243.137.215 0:0:0:0:0:ffff:8ff3:89d7
143.243.137.216 0:0:0:0:0:ffff:8ff3:89d8
143.243.137.217 0:0:0:0:0:ffff:8ff3:89d9
143.243.137.218 0:0:0:0:0:ffff:8ff3:89da
143.243.137.219 0:0:0:0:0:ffff:8ff3:89db
143.243.137.220 0:0:0:0:0:ffff:8ff3:89dc
143.243.137.221 0:0:0:0:0:ffff:8ff3:89dd
143.243.137.222 0:0:0:0:0:ffff:8ff3:89de
143.243.137.223 0:0:0:0:0:ffff:8ff3:89df
143.243.137.224 0:0:0:0:0:ffff:8ff3:89e0
143.243.137.225 0:0:0:0:0:ffff:8ff3:89e1
143.243.137.226 0:0:0:0:0:ffff:8ff3:89e2
143.243.137.227 0:0:0:0:0:ffff:8ff3:89e3
143.243.137.228 0:0:0:0:0:ffff:8ff3:89e4
143.243.137.229 0:0:0:0:0:ffff:8ff3:89e5
143.243.137.230 0:0:0:0:0:ffff:8ff3:89e6
143.243.137.231 0:0:0:0:0:ffff:8ff3:89e7
143.243.137.232 0:0:0:0:0:ffff:8ff3:89e8
143.243.137.233 0:0:0:0:0:ffff:8ff3:89e9
143.243.137.234 0:0:0:0:0:ffff:8ff3:89ea
143.243.137.235 0:0:0:0:0:ffff:8ff3:89eb
143.243.137.236 0:0:0:0:0:ffff:8ff3:89ec
143.243.137.237 0:0:0:0:0:ffff:8ff3:89ed
143.243.137.238 0:0:0:0:0:ffff:8ff3:89ee
143.243.137.239 0:0:0:0:0:ffff:8ff3:89ef
143.243.137.240 0:0:0:0:0:ffff:8ff3:89f0
143.243.137.241 0:0:0:0:0:ffff:8ff3:89f1
143.243.137.242 0:0:0:0:0:ffff:8ff3:89f2
143.243.137.243 0:0:0:0:0:ffff:8ff3:89f3
143.243.137.244 0:0:0:0:0:ffff:8ff3:89f4
143.243.137.245 0:0:0:0:0:ffff:8ff3:89f5
143.243.137.246 0:0:0:0:0:ffff:8ff3:89f6
143.243.137.247 0:0:0:0:0:ffff:8ff3:89f7
143.243.137.248 0:0:0:0:0:ffff:8ff3:89f8
143.243.137.249 0:0:0:0:0:ffff:8ff3:89f9
143.243.137.250 0:0:0:0:0:ffff:8ff3:89fa
143.243.137.251 0:0:0:0:0:ffff:8ff3:89fb
143.243.137.252 0:0:0:0:0:ffff:8ff3:89fc
143.243.137.253 0:0:0:0:0:ffff:8ff3:89fd
143.243.137.254 0:0:0:0:0:ffff:8ff3:89fe
143.243.137.255 0:0:0:0:0:ffff:8ff3:89ff


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.