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
191.141.103.1 0:0:0:0:0:ffff:bf8d:6701
191.141.103.2 0:0:0:0:0:ffff:bf8d:6702
191.141.103.3 0:0:0:0:0:ffff:bf8d:6703
191.141.103.4 0:0:0:0:0:ffff:bf8d:6704
191.141.103.5 0:0:0:0:0:ffff:bf8d:6705
191.141.103.6 0:0:0:0:0:ffff:bf8d:6706
191.141.103.7 0:0:0:0:0:ffff:bf8d:6707
191.141.103.8 0:0:0:0:0:ffff:bf8d:6708
191.141.103.9 0:0:0:0:0:ffff:bf8d:6709
191.141.103.10 0:0:0:0:0:ffff:bf8d:670a
191.141.103.11 0:0:0:0:0:ffff:bf8d:670b
191.141.103.12 0:0:0:0:0:ffff:bf8d:670c
191.141.103.13 0:0:0:0:0:ffff:bf8d:670d
191.141.103.14 0:0:0:0:0:ffff:bf8d:670e
191.141.103.15 0:0:0:0:0:ffff:bf8d:670f
191.141.103.16 0:0:0:0:0:ffff:bf8d:6710
191.141.103.17 0:0:0:0:0:ffff:bf8d:6711
191.141.103.18 0:0:0:0:0:ffff:bf8d:6712
191.141.103.19 0:0:0:0:0:ffff:bf8d:6713
191.141.103.20 0:0:0:0:0:ffff:bf8d:6714
191.141.103.21 0:0:0:0:0:ffff:bf8d:6715
191.141.103.22 0:0:0:0:0:ffff:bf8d:6716
191.141.103.23 0:0:0:0:0:ffff:bf8d:6717
191.141.103.24 0:0:0:0:0:ffff:bf8d:6718
191.141.103.25 0:0:0:0:0:ffff:bf8d:6719
191.141.103.26 0:0:0:0:0:ffff:bf8d:671a
191.141.103.27 0:0:0:0:0:ffff:bf8d:671b
191.141.103.28 0:0:0:0:0:ffff:bf8d:671c
191.141.103.29 0:0:0:0:0:ffff:bf8d:671d
191.141.103.30 0:0:0:0:0:ffff:bf8d:671e
191.141.103.31 0:0:0:0:0:ffff:bf8d:671f
191.141.103.32 0:0:0:0:0:ffff:bf8d:6720
191.141.103.33 0:0:0:0:0:ffff:bf8d:6721
191.141.103.34 0:0:0:0:0:ffff:bf8d:6722
191.141.103.35 0:0:0:0:0:ffff:bf8d:6723
191.141.103.36 0:0:0:0:0:ffff:bf8d:6724
191.141.103.37 0:0:0:0:0:ffff:bf8d:6725
191.141.103.38 0:0:0:0:0:ffff:bf8d:6726
191.141.103.39 0:0:0:0:0:ffff:bf8d:6727
191.141.103.40 0:0:0:0:0:ffff:bf8d:6728
191.141.103.41 0:0:0:0:0:ffff:bf8d:6729
191.141.103.42 0:0:0:0:0:ffff:bf8d:672a
191.141.103.43 0:0:0:0:0:ffff:bf8d:672b
191.141.103.44 0:0:0:0:0:ffff:bf8d:672c
191.141.103.45 0:0:0:0:0:ffff:bf8d:672d
191.141.103.46 0:0:0:0:0:ffff:bf8d:672e
191.141.103.47 0:0:0:0:0:ffff:bf8d:672f
191.141.103.48 0:0:0:0:0:ffff:bf8d:6730
191.141.103.49 0:0:0:0:0:ffff:bf8d:6731
191.141.103.50 0:0:0:0:0:ffff:bf8d:6732
191.141.103.51 0:0:0:0:0:ffff:bf8d:6733
191.141.103.52 0:0:0:0:0:ffff:bf8d:6734
191.141.103.53 0:0:0:0:0:ffff:bf8d:6735
191.141.103.54 0:0:0:0:0:ffff:bf8d:6736
191.141.103.55 0:0:0:0:0:ffff:bf8d:6737
191.141.103.56 0:0:0:0:0:ffff:bf8d:6738
191.141.103.57 0:0:0:0:0:ffff:bf8d:6739
191.141.103.58 0:0:0:0:0:ffff:bf8d:673a
191.141.103.59 0:0:0:0:0:ffff:bf8d:673b
191.141.103.60 0:0:0:0:0:ffff:bf8d:673c


191.141.103.61 0:0:0:0:0:ffff:bf8d:673d
191.141.103.62 0:0:0:0:0:ffff:bf8d:673e
191.141.103.63 0:0:0:0:0:ffff:bf8d:673f
191.141.103.64 0:0:0:0:0:ffff:bf8d:6740
191.141.103.65 0:0:0:0:0:ffff:bf8d:6741
191.141.103.66 0:0:0:0:0:ffff:bf8d:6742
191.141.103.67 0:0:0:0:0:ffff:bf8d:6743
191.141.103.68 0:0:0:0:0:ffff:bf8d:6744
191.141.103.69 0:0:0:0:0:ffff:bf8d:6745
191.141.103.70 0:0:0:0:0:ffff:bf8d:6746
191.141.103.71 0:0:0:0:0:ffff:bf8d:6747
191.141.103.72 0:0:0:0:0:ffff:bf8d:6748
191.141.103.73 0:0:0:0:0:ffff:bf8d:6749
191.141.103.74 0:0:0:0:0:ffff:bf8d:674a
191.141.103.75 0:0:0:0:0:ffff:bf8d:674b
191.141.103.76 0:0:0:0:0:ffff:bf8d:674c
191.141.103.77 0:0:0:0:0:ffff:bf8d:674d
191.141.103.78 0:0:0:0:0:ffff:bf8d:674e
191.141.103.79 0:0:0:0:0:ffff:bf8d:674f
191.141.103.80 0:0:0:0:0:ffff:bf8d:6750
191.141.103.81 0:0:0:0:0:ffff:bf8d:6751
191.141.103.82 0:0:0:0:0:ffff:bf8d:6752
191.141.103.83 0:0:0:0:0:ffff:bf8d:6753
191.141.103.84 0:0:0:0:0:ffff:bf8d:6754
191.141.103.85 0:0:0:0:0:ffff:bf8d:6755
191.141.103.86 0:0:0:0:0:ffff:bf8d:6756
191.141.103.87 0:0:0:0:0:ffff:bf8d:6757
191.141.103.88 0:0:0:0:0:ffff:bf8d:6758
191.141.103.89 0:0:0:0:0:ffff:bf8d:6759
191.141.103.90 0:0:0:0:0:ffff:bf8d:675a
191.141.103.91 0:0:0:0:0:ffff:bf8d:675b
191.141.103.92 0:0:0:0:0:ffff:bf8d:675c
191.141.103.93 0:0:0:0:0:ffff:bf8d:675d
191.141.103.94 0:0:0:0:0:ffff:bf8d:675e
191.141.103.95 0:0:0:0:0:ffff:bf8d:675f
191.141.103.96 0:0:0:0:0:ffff:bf8d:6760
191.141.103.97 0:0:0:0:0:ffff:bf8d:6761
191.141.103.98 0:0:0:0:0:ffff:bf8d:6762
191.141.103.99 0:0:0:0:0:ffff:bf8d:6763
191.141.103.100 0:0:0:0:0:ffff:bf8d:6764
191.141.103.101 0:0:0:0:0:ffff:bf8d:6765
191.141.103.102 0:0:0:0:0:ffff:bf8d:6766
191.141.103.103 0:0:0:0:0:ffff:bf8d:6767
191.141.103.104 0:0:0:0:0:ffff:bf8d:6768
191.141.103.105 0:0:0:0:0:ffff:bf8d:6769
191.141.103.106 0:0:0:0:0:ffff:bf8d:676a
191.141.103.107 0:0:0:0:0:ffff:bf8d:676b
191.141.103.108 0:0:0:0:0:ffff:bf8d:676c
191.141.103.109 0:0:0:0:0:ffff:bf8d:676d
191.141.103.110 0:0:0:0:0:ffff:bf8d:676e
191.141.103.111 0:0:0:0:0:ffff:bf8d:676f
191.141.103.112 0:0:0:0:0:ffff:bf8d:6770
191.141.103.113 0:0:0:0:0:ffff:bf8d:6771
191.141.103.114 0:0:0:0:0:ffff:bf8d:6772
191.141.103.115 0:0:0:0:0:ffff:bf8d:6773
191.141.103.116 0:0:0:0:0:ffff:bf8d:6774
191.141.103.117 0:0:0:0:0:ffff:bf8d:6775
191.141.103.118 0:0:0:0:0:ffff:bf8d:6776
191.141.103.119 0:0:0:0:0:ffff:bf8d:6777
191.141.103.120 0:0:0:0:0:ffff:bf8d:6778


191.141.103.121 0:0:0:0:0:ffff:bf8d:6779
191.141.103.122 0:0:0:0:0:ffff:bf8d:677a
191.141.103.123 0:0:0:0:0:ffff:bf8d:677b
191.141.103.124 0:0:0:0:0:ffff:bf8d:677c
191.141.103.125 0:0:0:0:0:ffff:bf8d:677d
191.141.103.126 0:0:0:0:0:ffff:bf8d:677e
191.141.103.127 0:0:0:0:0:ffff:bf8d:677f
191.141.103.128 0:0:0:0:0:ffff:bf8d:6780
191.141.103.129 0:0:0:0:0:ffff:bf8d:6781
191.141.103.130 0:0:0:0:0:ffff:bf8d:6782
191.141.103.131 0:0:0:0:0:ffff:bf8d:6783
191.141.103.132 0:0:0:0:0:ffff:bf8d:6784
191.141.103.133 0:0:0:0:0:ffff:bf8d:6785
191.141.103.134 0:0:0:0:0:ffff:bf8d:6786
191.141.103.135 0:0:0:0:0:ffff:bf8d:6787
191.141.103.136 0:0:0:0:0:ffff:bf8d:6788
191.141.103.137 0:0:0:0:0:ffff:bf8d:6789
191.141.103.138 0:0:0:0:0:ffff:bf8d:678a
191.141.103.139 0:0:0:0:0:ffff:bf8d:678b
191.141.103.140 0:0:0:0:0:ffff:bf8d:678c
191.141.103.141 0:0:0:0:0:ffff:bf8d:678d
191.141.103.142 0:0:0:0:0:ffff:bf8d:678e
191.141.103.143 0:0:0:0:0:ffff:bf8d:678f
191.141.103.144 0:0:0:0:0:ffff:bf8d:6790
191.141.103.145 0:0:0:0:0:ffff:bf8d:6791
191.141.103.146 0:0:0:0:0:ffff:bf8d:6792
191.141.103.147 0:0:0:0:0:ffff:bf8d:6793
191.141.103.148 0:0:0:0:0:ffff:bf8d:6794
191.141.103.149 0:0:0:0:0:ffff:bf8d:6795
191.141.103.150 0:0:0:0:0:ffff:bf8d:6796
191.141.103.151 0:0:0:0:0:ffff:bf8d:6797
191.141.103.152 0:0:0:0:0:ffff:bf8d:6798
191.141.103.153 0:0:0:0:0:ffff:bf8d:6799
191.141.103.154 0:0:0:0:0:ffff:bf8d:679a
191.141.103.155 0:0:0:0:0:ffff:bf8d:679b
191.141.103.156 0:0:0:0:0:ffff:bf8d:679c
191.141.103.157 0:0:0:0:0:ffff:bf8d:679d
191.141.103.158 0:0:0:0:0:ffff:bf8d:679e
191.141.103.159 0:0:0:0:0:ffff:bf8d:679f
191.141.103.160 0:0:0:0:0:ffff:bf8d:67a0
191.141.103.161 0:0:0:0:0:ffff:bf8d:67a1
191.141.103.162 0:0:0:0:0:ffff:bf8d:67a2
191.141.103.163 0:0:0:0:0:ffff:bf8d:67a3
191.141.103.164 0:0:0:0:0:ffff:bf8d:67a4
191.141.103.165 0:0:0:0:0:ffff:bf8d:67a5
191.141.103.166 0:0:0:0:0:ffff:bf8d:67a6
191.141.103.167 0:0:0:0:0:ffff:bf8d:67a7
191.141.103.168 0:0:0:0:0:ffff:bf8d:67a8
191.141.103.169 0:0:0:0:0:ffff:bf8d:67a9
191.141.103.170 0:0:0:0:0:ffff:bf8d:67aa
191.141.103.171 0:0:0:0:0:ffff:bf8d:67ab
191.141.103.172 0:0:0:0:0:ffff:bf8d:67ac
191.141.103.173 0:0:0:0:0:ffff:bf8d:67ad
191.141.103.174 0:0:0:0:0:ffff:bf8d:67ae
191.141.103.175 0:0:0:0:0:ffff:bf8d:67af
191.141.103.176 0:0:0:0:0:ffff:bf8d:67b0
191.141.103.177 0:0:0:0:0:ffff:bf8d:67b1
191.141.103.178 0:0:0:0:0:ffff:bf8d:67b2
191.141.103.179 0:0:0:0:0:ffff:bf8d:67b3
191.141.103.180 0:0:0:0:0:ffff:bf8d:67b4


191.141.103.181 0:0:0:0:0:ffff:bf8d:67b5
191.141.103.182 0:0:0:0:0:ffff:bf8d:67b6
191.141.103.183 0:0:0:0:0:ffff:bf8d:67b7
191.141.103.184 0:0:0:0:0:ffff:bf8d:67b8
191.141.103.185 0:0:0:0:0:ffff:bf8d:67b9
191.141.103.186 0:0:0:0:0:ffff:bf8d:67ba
191.141.103.187 0:0:0:0:0:ffff:bf8d:67bb
191.141.103.188 0:0:0:0:0:ffff:bf8d:67bc
191.141.103.189 0:0:0:0:0:ffff:bf8d:67bd
191.141.103.190 0:0:0:0:0:ffff:bf8d:67be
191.141.103.191 0:0:0:0:0:ffff:bf8d:67bf
191.141.103.192 0:0:0:0:0:ffff:bf8d:67c0
191.141.103.193 0:0:0:0:0:ffff:bf8d:67c1
191.141.103.194 0:0:0:0:0:ffff:bf8d:67c2
191.141.103.195 0:0:0:0:0:ffff:bf8d:67c3
191.141.103.196 0:0:0:0:0:ffff:bf8d:67c4
191.141.103.197 0:0:0:0:0:ffff:bf8d:67c5
191.141.103.198 0:0:0:0:0:ffff:bf8d:67c6
191.141.103.199 0:0:0:0:0:ffff:bf8d:67c7
191.141.103.200 0:0:0:0:0:ffff:bf8d:67c8
191.141.103.201 0:0:0:0:0:ffff:bf8d:67c9
191.141.103.202 0:0:0:0:0:ffff:bf8d:67ca
191.141.103.203 0:0:0:0:0:ffff:bf8d:67cb
191.141.103.204 0:0:0:0:0:ffff:bf8d:67cc
191.141.103.205 0:0:0:0:0:ffff:bf8d:67cd
191.141.103.206 0:0:0:0:0:ffff:bf8d:67ce
191.141.103.207 0:0:0:0:0:ffff:bf8d:67cf
191.141.103.208 0:0:0:0:0:ffff:bf8d:67d0
191.141.103.209 0:0:0:0:0:ffff:bf8d:67d1
191.141.103.210 0:0:0:0:0:ffff:bf8d:67d2
191.141.103.211 0:0:0:0:0:ffff:bf8d:67d3
191.141.103.212 0:0:0:0:0:ffff:bf8d:67d4
191.141.103.213 0:0:0:0:0:ffff:bf8d:67d5
191.141.103.214 0:0:0:0:0:ffff:bf8d:67d6
191.141.103.215 0:0:0:0:0:ffff:bf8d:67d7
191.141.103.216 0:0:0:0:0:ffff:bf8d:67d8
191.141.103.217 0:0:0:0:0:ffff:bf8d:67d9
191.141.103.218 0:0:0:0:0:ffff:bf8d:67da
191.141.103.219 0:0:0:0:0:ffff:bf8d:67db
191.141.103.220 0:0:0:0:0:ffff:bf8d:67dc
191.141.103.221 0:0:0:0:0:ffff:bf8d:67dd
191.141.103.222 0:0:0:0:0:ffff:bf8d:67de
191.141.103.223 0:0:0:0:0:ffff:bf8d:67df
191.141.103.224 0:0:0:0:0:ffff:bf8d:67e0
191.141.103.225 0:0:0:0:0:ffff:bf8d:67e1
191.141.103.226 0:0:0:0:0:ffff:bf8d:67e2
191.141.103.227 0:0:0:0:0:ffff:bf8d:67e3
191.141.103.228 0:0:0:0:0:ffff:bf8d:67e4
191.141.103.229 0:0:0:0:0:ffff:bf8d:67e5
191.141.103.230 0:0:0:0:0:ffff:bf8d:67e6
191.141.103.231 0:0:0:0:0:ffff:bf8d:67e7
191.141.103.232 0:0:0:0:0:ffff:bf8d:67e8
191.141.103.233 0:0:0:0:0:ffff:bf8d:67e9
191.141.103.234 0:0:0:0:0:ffff:bf8d:67ea
191.141.103.235 0:0:0:0:0:ffff:bf8d:67eb
191.141.103.236 0:0:0:0:0:ffff:bf8d:67ec
191.141.103.237 0:0:0:0:0:ffff:bf8d:67ed
191.141.103.238 0:0:0:0:0:ffff:bf8d:67ee
191.141.103.239 0:0:0:0:0:ffff:bf8d:67ef
191.141.103.240 0:0:0:0:0:ffff:bf8d:67f0
191.141.103.241 0:0:0:0:0:ffff:bf8d:67f1
191.141.103.242 0:0:0:0:0:ffff:bf8d:67f2
191.141.103.243 0:0:0:0:0:ffff:bf8d:67f3
191.141.103.244 0:0:0:0:0:ffff:bf8d:67f4
191.141.103.245 0:0:0:0:0:ffff:bf8d:67f5
191.141.103.246 0:0:0:0:0:ffff:bf8d:67f6
191.141.103.247 0:0:0:0:0:ffff:bf8d:67f7
191.141.103.248 0:0:0:0:0:ffff:bf8d:67f8
191.141.103.249 0:0:0:0:0:ffff:bf8d:67f9
191.141.103.250 0:0:0:0:0:ffff:bf8d:67fa
191.141.103.251 0:0:0:0:0:ffff:bf8d:67fb
191.141.103.252 0:0:0:0:0:ffff:bf8d:67fc
191.141.103.253 0:0:0:0:0:ffff:bf8d:67fd
191.141.103.254 0:0:0:0:0:ffff:bf8d:67fe
191.141.103.255 0:0:0:0:0:ffff:bf8d:67ff


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.