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
139.31.105.1 0:0:0:0:0:ffff:8b1f:6901
139.31.105.2 0:0:0:0:0:ffff:8b1f:6902
139.31.105.3 0:0:0:0:0:ffff:8b1f:6903
139.31.105.4 0:0:0:0:0:ffff:8b1f:6904
139.31.105.5 0:0:0:0:0:ffff:8b1f:6905
139.31.105.6 0:0:0:0:0:ffff:8b1f:6906
139.31.105.7 0:0:0:0:0:ffff:8b1f:6907
139.31.105.8 0:0:0:0:0:ffff:8b1f:6908
139.31.105.9 0:0:0:0:0:ffff:8b1f:6909
139.31.105.10 0:0:0:0:0:ffff:8b1f:690a
139.31.105.11 0:0:0:0:0:ffff:8b1f:690b
139.31.105.12 0:0:0:0:0:ffff:8b1f:690c
139.31.105.13 0:0:0:0:0:ffff:8b1f:690d
139.31.105.14 0:0:0:0:0:ffff:8b1f:690e
139.31.105.15 0:0:0:0:0:ffff:8b1f:690f
139.31.105.16 0:0:0:0:0:ffff:8b1f:6910
139.31.105.17 0:0:0:0:0:ffff:8b1f:6911
139.31.105.18 0:0:0:0:0:ffff:8b1f:6912
139.31.105.19 0:0:0:0:0:ffff:8b1f:6913
139.31.105.20 0:0:0:0:0:ffff:8b1f:6914
139.31.105.21 0:0:0:0:0:ffff:8b1f:6915
139.31.105.22 0:0:0:0:0:ffff:8b1f:6916
139.31.105.23 0:0:0:0:0:ffff:8b1f:6917
139.31.105.24 0:0:0:0:0:ffff:8b1f:6918
139.31.105.25 0:0:0:0:0:ffff:8b1f:6919
139.31.105.26 0:0:0:0:0:ffff:8b1f:691a
139.31.105.27 0:0:0:0:0:ffff:8b1f:691b
139.31.105.28 0:0:0:0:0:ffff:8b1f:691c
139.31.105.29 0:0:0:0:0:ffff:8b1f:691d
139.31.105.30 0:0:0:0:0:ffff:8b1f:691e
139.31.105.31 0:0:0:0:0:ffff:8b1f:691f
139.31.105.32 0:0:0:0:0:ffff:8b1f:6920
139.31.105.33 0:0:0:0:0:ffff:8b1f:6921
139.31.105.34 0:0:0:0:0:ffff:8b1f:6922
139.31.105.35 0:0:0:0:0:ffff:8b1f:6923
139.31.105.36 0:0:0:0:0:ffff:8b1f:6924
139.31.105.37 0:0:0:0:0:ffff:8b1f:6925
139.31.105.38 0:0:0:0:0:ffff:8b1f:6926
139.31.105.39 0:0:0:0:0:ffff:8b1f:6927
139.31.105.40 0:0:0:0:0:ffff:8b1f:6928
139.31.105.41 0:0:0:0:0:ffff:8b1f:6929
139.31.105.42 0:0:0:0:0:ffff:8b1f:692a
139.31.105.43 0:0:0:0:0:ffff:8b1f:692b
139.31.105.44 0:0:0:0:0:ffff:8b1f:692c
139.31.105.45 0:0:0:0:0:ffff:8b1f:692d
139.31.105.46 0:0:0:0:0:ffff:8b1f:692e
139.31.105.47 0:0:0:0:0:ffff:8b1f:692f
139.31.105.48 0:0:0:0:0:ffff:8b1f:6930
139.31.105.49 0:0:0:0:0:ffff:8b1f:6931
139.31.105.50 0:0:0:0:0:ffff:8b1f:6932
139.31.105.51 0:0:0:0:0:ffff:8b1f:6933
139.31.105.52 0:0:0:0:0:ffff:8b1f:6934
139.31.105.53 0:0:0:0:0:ffff:8b1f:6935
139.31.105.54 0:0:0:0:0:ffff:8b1f:6936
139.31.105.55 0:0:0:0:0:ffff:8b1f:6937
139.31.105.56 0:0:0:0:0:ffff:8b1f:6938
139.31.105.57 0:0:0:0:0:ffff:8b1f:6939
139.31.105.58 0:0:0:0:0:ffff:8b1f:693a
139.31.105.59 0:0:0:0:0:ffff:8b1f:693b
139.31.105.60 0:0:0:0:0:ffff:8b1f:693c


139.31.105.61 0:0:0:0:0:ffff:8b1f:693d
139.31.105.62 0:0:0:0:0:ffff:8b1f:693e
139.31.105.63 0:0:0:0:0:ffff:8b1f:693f
139.31.105.64 0:0:0:0:0:ffff:8b1f:6940
139.31.105.65 0:0:0:0:0:ffff:8b1f:6941
139.31.105.66 0:0:0:0:0:ffff:8b1f:6942
139.31.105.67 0:0:0:0:0:ffff:8b1f:6943
139.31.105.68 0:0:0:0:0:ffff:8b1f:6944
139.31.105.69 0:0:0:0:0:ffff:8b1f:6945
139.31.105.70 0:0:0:0:0:ffff:8b1f:6946
139.31.105.71 0:0:0:0:0:ffff:8b1f:6947
139.31.105.72 0:0:0:0:0:ffff:8b1f:6948
139.31.105.73 0:0:0:0:0:ffff:8b1f:6949
139.31.105.74 0:0:0:0:0:ffff:8b1f:694a
139.31.105.75 0:0:0:0:0:ffff:8b1f:694b
139.31.105.76 0:0:0:0:0:ffff:8b1f:694c
139.31.105.77 0:0:0:0:0:ffff:8b1f:694d
139.31.105.78 0:0:0:0:0:ffff:8b1f:694e
139.31.105.79 0:0:0:0:0:ffff:8b1f:694f
139.31.105.80 0:0:0:0:0:ffff:8b1f:6950
139.31.105.81 0:0:0:0:0:ffff:8b1f:6951
139.31.105.82 0:0:0:0:0:ffff:8b1f:6952
139.31.105.83 0:0:0:0:0:ffff:8b1f:6953
139.31.105.84 0:0:0:0:0:ffff:8b1f:6954
139.31.105.85 0:0:0:0:0:ffff:8b1f:6955
139.31.105.86 0:0:0:0:0:ffff:8b1f:6956
139.31.105.87 0:0:0:0:0:ffff:8b1f:6957
139.31.105.88 0:0:0:0:0:ffff:8b1f:6958
139.31.105.89 0:0:0:0:0:ffff:8b1f:6959
139.31.105.90 0:0:0:0:0:ffff:8b1f:695a
139.31.105.91 0:0:0:0:0:ffff:8b1f:695b
139.31.105.92 0:0:0:0:0:ffff:8b1f:695c
139.31.105.93 0:0:0:0:0:ffff:8b1f:695d
139.31.105.94 0:0:0:0:0:ffff:8b1f:695e
139.31.105.95 0:0:0:0:0:ffff:8b1f:695f
139.31.105.96 0:0:0:0:0:ffff:8b1f:6960
139.31.105.97 0:0:0:0:0:ffff:8b1f:6961
139.31.105.98 0:0:0:0:0:ffff:8b1f:6962
139.31.105.99 0:0:0:0:0:ffff:8b1f:6963
139.31.105.100 0:0:0:0:0:ffff:8b1f:6964
139.31.105.101 0:0:0:0:0:ffff:8b1f:6965
139.31.105.102 0:0:0:0:0:ffff:8b1f:6966
139.31.105.103 0:0:0:0:0:ffff:8b1f:6967
139.31.105.104 0:0:0:0:0:ffff:8b1f:6968
139.31.105.105 0:0:0:0:0:ffff:8b1f:6969
139.31.105.106 0:0:0:0:0:ffff:8b1f:696a
139.31.105.107 0:0:0:0:0:ffff:8b1f:696b
139.31.105.108 0:0:0:0:0:ffff:8b1f:696c
139.31.105.109 0:0:0:0:0:ffff:8b1f:696d
139.31.105.110 0:0:0:0:0:ffff:8b1f:696e
139.31.105.111 0:0:0:0:0:ffff:8b1f:696f
139.31.105.112 0:0:0:0:0:ffff:8b1f:6970
139.31.105.113 0:0:0:0:0:ffff:8b1f:6971
139.31.105.114 0:0:0:0:0:ffff:8b1f:6972
139.31.105.115 0:0:0:0:0:ffff:8b1f:6973
139.31.105.116 0:0:0:0:0:ffff:8b1f:6974
139.31.105.117 0:0:0:0:0:ffff:8b1f:6975
139.31.105.118 0:0:0:0:0:ffff:8b1f:6976
139.31.105.119 0:0:0:0:0:ffff:8b1f:6977
139.31.105.120 0:0:0:0:0:ffff:8b1f:6978


139.31.105.121 0:0:0:0:0:ffff:8b1f:6979
139.31.105.122 0:0:0:0:0:ffff:8b1f:697a
139.31.105.123 0:0:0:0:0:ffff:8b1f:697b
139.31.105.124 0:0:0:0:0:ffff:8b1f:697c
139.31.105.125 0:0:0:0:0:ffff:8b1f:697d
139.31.105.126 0:0:0:0:0:ffff:8b1f:697e
139.31.105.127 0:0:0:0:0:ffff:8b1f:697f
139.31.105.128 0:0:0:0:0:ffff:8b1f:6980
139.31.105.129 0:0:0:0:0:ffff:8b1f:6981
139.31.105.130 0:0:0:0:0:ffff:8b1f:6982
139.31.105.131 0:0:0:0:0:ffff:8b1f:6983
139.31.105.132 0:0:0:0:0:ffff:8b1f:6984
139.31.105.133 0:0:0:0:0:ffff:8b1f:6985
139.31.105.134 0:0:0:0:0:ffff:8b1f:6986
139.31.105.135 0:0:0:0:0:ffff:8b1f:6987
139.31.105.136 0:0:0:0:0:ffff:8b1f:6988
139.31.105.137 0:0:0:0:0:ffff:8b1f:6989
139.31.105.138 0:0:0:0:0:ffff:8b1f:698a
139.31.105.139 0:0:0:0:0:ffff:8b1f:698b
139.31.105.140 0:0:0:0:0:ffff:8b1f:698c
139.31.105.141 0:0:0:0:0:ffff:8b1f:698d
139.31.105.142 0:0:0:0:0:ffff:8b1f:698e
139.31.105.143 0:0:0:0:0:ffff:8b1f:698f
139.31.105.144 0:0:0:0:0:ffff:8b1f:6990
139.31.105.145 0:0:0:0:0:ffff:8b1f:6991
139.31.105.146 0:0:0:0:0:ffff:8b1f:6992
139.31.105.147 0:0:0:0:0:ffff:8b1f:6993
139.31.105.148 0:0:0:0:0:ffff:8b1f:6994
139.31.105.149 0:0:0:0:0:ffff:8b1f:6995
139.31.105.150 0:0:0:0:0:ffff:8b1f:6996
139.31.105.151 0:0:0:0:0:ffff:8b1f:6997
139.31.105.152 0:0:0:0:0:ffff:8b1f:6998
139.31.105.153 0:0:0:0:0:ffff:8b1f:6999
139.31.105.154 0:0:0:0:0:ffff:8b1f:699a
139.31.105.155 0:0:0:0:0:ffff:8b1f:699b
139.31.105.156 0:0:0:0:0:ffff:8b1f:699c
139.31.105.157 0:0:0:0:0:ffff:8b1f:699d
139.31.105.158 0:0:0:0:0:ffff:8b1f:699e
139.31.105.159 0:0:0:0:0:ffff:8b1f:699f
139.31.105.160 0:0:0:0:0:ffff:8b1f:69a0
139.31.105.161 0:0:0:0:0:ffff:8b1f:69a1
139.31.105.162 0:0:0:0:0:ffff:8b1f:69a2
139.31.105.163 0:0:0:0:0:ffff:8b1f:69a3
139.31.105.164 0:0:0:0:0:ffff:8b1f:69a4
139.31.105.165 0:0:0:0:0:ffff:8b1f:69a5
139.31.105.166 0:0:0:0:0:ffff:8b1f:69a6
139.31.105.167 0:0:0:0:0:ffff:8b1f:69a7
139.31.105.168 0:0:0:0:0:ffff:8b1f:69a8
139.31.105.169 0:0:0:0:0:ffff:8b1f:69a9
139.31.105.170 0:0:0:0:0:ffff:8b1f:69aa
139.31.105.171 0:0:0:0:0:ffff:8b1f:69ab
139.31.105.172 0:0:0:0:0:ffff:8b1f:69ac
139.31.105.173 0:0:0:0:0:ffff:8b1f:69ad
139.31.105.174 0:0:0:0:0:ffff:8b1f:69ae
139.31.105.175 0:0:0:0:0:ffff:8b1f:69af
139.31.105.176 0:0:0:0:0:ffff:8b1f:69b0
139.31.105.177 0:0:0:0:0:ffff:8b1f:69b1
139.31.105.178 0:0:0:0:0:ffff:8b1f:69b2
139.31.105.179 0:0:0:0:0:ffff:8b1f:69b3
139.31.105.180 0:0:0:0:0:ffff:8b1f:69b4


139.31.105.181 0:0:0:0:0:ffff:8b1f:69b5
139.31.105.182 0:0:0:0:0:ffff:8b1f:69b6
139.31.105.183 0:0:0:0:0:ffff:8b1f:69b7
139.31.105.184 0:0:0:0:0:ffff:8b1f:69b8
139.31.105.185 0:0:0:0:0:ffff:8b1f:69b9
139.31.105.186 0:0:0:0:0:ffff:8b1f:69ba
139.31.105.187 0:0:0:0:0:ffff:8b1f:69bb
139.31.105.188 0:0:0:0:0:ffff:8b1f:69bc
139.31.105.189 0:0:0:0:0:ffff:8b1f:69bd
139.31.105.190 0:0:0:0:0:ffff:8b1f:69be
139.31.105.191 0:0:0:0:0:ffff:8b1f:69bf
139.31.105.192 0:0:0:0:0:ffff:8b1f:69c0
139.31.105.193 0:0:0:0:0:ffff:8b1f:69c1
139.31.105.194 0:0:0:0:0:ffff:8b1f:69c2
139.31.105.195 0:0:0:0:0:ffff:8b1f:69c3
139.31.105.196 0:0:0:0:0:ffff:8b1f:69c4
139.31.105.197 0:0:0:0:0:ffff:8b1f:69c5
139.31.105.198 0:0:0:0:0:ffff:8b1f:69c6
139.31.105.199 0:0:0:0:0:ffff:8b1f:69c7
139.31.105.200 0:0:0:0:0:ffff:8b1f:69c8
139.31.105.201 0:0:0:0:0:ffff:8b1f:69c9
139.31.105.202 0:0:0:0:0:ffff:8b1f:69ca
139.31.105.203 0:0:0:0:0:ffff:8b1f:69cb
139.31.105.204 0:0:0:0:0:ffff:8b1f:69cc
139.31.105.205 0:0:0:0:0:ffff:8b1f:69cd
139.31.105.206 0:0:0:0:0:ffff:8b1f:69ce
139.31.105.207 0:0:0:0:0:ffff:8b1f:69cf
139.31.105.208 0:0:0:0:0:ffff:8b1f:69d0
139.31.105.209 0:0:0:0:0:ffff:8b1f:69d1
139.31.105.210 0:0:0:0:0:ffff:8b1f:69d2
139.31.105.211 0:0:0:0:0:ffff:8b1f:69d3
139.31.105.212 0:0:0:0:0:ffff:8b1f:69d4
139.31.105.213 0:0:0:0:0:ffff:8b1f:69d5
139.31.105.214 0:0:0:0:0:ffff:8b1f:69d6
139.31.105.215 0:0:0:0:0:ffff:8b1f:69d7
139.31.105.216 0:0:0:0:0:ffff:8b1f:69d8
139.31.105.217 0:0:0:0:0:ffff:8b1f:69d9
139.31.105.218 0:0:0:0:0:ffff:8b1f:69da
139.31.105.219 0:0:0:0:0:ffff:8b1f:69db
139.31.105.220 0:0:0:0:0:ffff:8b1f:69dc
139.31.105.221 0:0:0:0:0:ffff:8b1f:69dd
139.31.105.222 0:0:0:0:0:ffff:8b1f:69de
139.31.105.223 0:0:0:0:0:ffff:8b1f:69df
139.31.105.224 0:0:0:0:0:ffff:8b1f:69e0
139.31.105.225 0:0:0:0:0:ffff:8b1f:69e1
139.31.105.226 0:0:0:0:0:ffff:8b1f:69e2
139.31.105.227 0:0:0:0:0:ffff:8b1f:69e3
139.31.105.228 0:0:0:0:0:ffff:8b1f:69e4
139.31.105.229 0:0:0:0:0:ffff:8b1f:69e5
139.31.105.230 0:0:0:0:0:ffff:8b1f:69e6
139.31.105.231 0:0:0:0:0:ffff:8b1f:69e7
139.31.105.232 0:0:0:0:0:ffff:8b1f:69e8
139.31.105.233 0:0:0:0:0:ffff:8b1f:69e9
139.31.105.234 0:0:0:0:0:ffff:8b1f:69ea
139.31.105.235 0:0:0:0:0:ffff:8b1f:69eb
139.31.105.236 0:0:0:0:0:ffff:8b1f:69ec
139.31.105.237 0:0:0:0:0:ffff:8b1f:69ed
139.31.105.238 0:0:0:0:0:ffff:8b1f:69ee
139.31.105.239 0:0:0:0:0:ffff:8b1f:69ef
139.31.105.240 0:0:0:0:0:ffff:8b1f:69f0
139.31.105.241 0:0:0:0:0:ffff:8b1f:69f1
139.31.105.242 0:0:0:0:0:ffff:8b1f:69f2
139.31.105.243 0:0:0:0:0:ffff:8b1f:69f3
139.31.105.244 0:0:0:0:0:ffff:8b1f:69f4
139.31.105.245 0:0:0:0:0:ffff:8b1f:69f5
139.31.105.246 0:0:0:0:0:ffff:8b1f:69f6
139.31.105.247 0:0:0:0:0:ffff:8b1f:69f7
139.31.105.248 0:0:0:0:0:ffff:8b1f:69f8
139.31.105.249 0:0:0:0:0:ffff:8b1f:69f9
139.31.105.250 0:0:0:0:0:ffff:8b1f:69fa
139.31.105.251 0:0:0:0:0:ffff:8b1f:69fb
139.31.105.252 0:0:0:0:0:ffff:8b1f:69fc
139.31.105.253 0:0:0:0:0:ffff:8b1f:69fd
139.31.105.254 0:0:0:0:0:ffff:8b1f:69fe
139.31.105.255 0:0:0:0:0:ffff:8b1f:69ff


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.