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
65.121.119.1 0:0:0:0:0:ffff:4179:7701
65.121.119.2 0:0:0:0:0:ffff:4179:7702
65.121.119.3 0:0:0:0:0:ffff:4179:7703
65.121.119.4 0:0:0:0:0:ffff:4179:7704
65.121.119.5 0:0:0:0:0:ffff:4179:7705
65.121.119.6 0:0:0:0:0:ffff:4179:7706
65.121.119.7 0:0:0:0:0:ffff:4179:7707
65.121.119.8 0:0:0:0:0:ffff:4179:7708
65.121.119.9 0:0:0:0:0:ffff:4179:7709
65.121.119.10 0:0:0:0:0:ffff:4179:770a
65.121.119.11 0:0:0:0:0:ffff:4179:770b
65.121.119.12 0:0:0:0:0:ffff:4179:770c
65.121.119.13 0:0:0:0:0:ffff:4179:770d
65.121.119.14 0:0:0:0:0:ffff:4179:770e
65.121.119.15 0:0:0:0:0:ffff:4179:770f
65.121.119.16 0:0:0:0:0:ffff:4179:7710
65.121.119.17 0:0:0:0:0:ffff:4179:7711
65.121.119.18 0:0:0:0:0:ffff:4179:7712
65.121.119.19 0:0:0:0:0:ffff:4179:7713
65.121.119.20 0:0:0:0:0:ffff:4179:7714
65.121.119.21 0:0:0:0:0:ffff:4179:7715
65.121.119.22 0:0:0:0:0:ffff:4179:7716
65.121.119.23 0:0:0:0:0:ffff:4179:7717
65.121.119.24 0:0:0:0:0:ffff:4179:7718
65.121.119.25 0:0:0:0:0:ffff:4179:7719
65.121.119.26 0:0:0:0:0:ffff:4179:771a
65.121.119.27 0:0:0:0:0:ffff:4179:771b
65.121.119.28 0:0:0:0:0:ffff:4179:771c
65.121.119.29 0:0:0:0:0:ffff:4179:771d
65.121.119.30 0:0:0:0:0:ffff:4179:771e
65.121.119.31 0:0:0:0:0:ffff:4179:771f
65.121.119.32 0:0:0:0:0:ffff:4179:7720
65.121.119.33 0:0:0:0:0:ffff:4179:7721
65.121.119.34 0:0:0:0:0:ffff:4179:7722
65.121.119.35 0:0:0:0:0:ffff:4179:7723
65.121.119.36 0:0:0:0:0:ffff:4179:7724
65.121.119.37 0:0:0:0:0:ffff:4179:7725
65.121.119.38 0:0:0:0:0:ffff:4179:7726
65.121.119.39 0:0:0:0:0:ffff:4179:7727
65.121.119.40 0:0:0:0:0:ffff:4179:7728
65.121.119.41 0:0:0:0:0:ffff:4179:7729
65.121.119.42 0:0:0:0:0:ffff:4179:772a
65.121.119.43 0:0:0:0:0:ffff:4179:772b
65.121.119.44 0:0:0:0:0:ffff:4179:772c
65.121.119.45 0:0:0:0:0:ffff:4179:772d
65.121.119.46 0:0:0:0:0:ffff:4179:772e
65.121.119.47 0:0:0:0:0:ffff:4179:772f
65.121.119.48 0:0:0:0:0:ffff:4179:7730
65.121.119.49 0:0:0:0:0:ffff:4179:7731
65.121.119.50 0:0:0:0:0:ffff:4179:7732
65.121.119.51 0:0:0:0:0:ffff:4179:7733
65.121.119.52 0:0:0:0:0:ffff:4179:7734
65.121.119.53 0:0:0:0:0:ffff:4179:7735
65.121.119.54 0:0:0:0:0:ffff:4179:7736
65.121.119.55 0:0:0:0:0:ffff:4179:7737
65.121.119.56 0:0:0:0:0:ffff:4179:7738
65.121.119.57 0:0:0:0:0:ffff:4179:7739
65.121.119.58 0:0:0:0:0:ffff:4179:773a
65.121.119.59 0:0:0:0:0:ffff:4179:773b
65.121.119.60 0:0:0:0:0:ffff:4179:773c


65.121.119.61 0:0:0:0:0:ffff:4179:773d
65.121.119.62 0:0:0:0:0:ffff:4179:773e
65.121.119.63 0:0:0:0:0:ffff:4179:773f
65.121.119.64 0:0:0:0:0:ffff:4179:7740
65.121.119.65 0:0:0:0:0:ffff:4179:7741
65.121.119.66 0:0:0:0:0:ffff:4179:7742
65.121.119.67 0:0:0:0:0:ffff:4179:7743
65.121.119.68 0:0:0:0:0:ffff:4179:7744
65.121.119.69 0:0:0:0:0:ffff:4179:7745
65.121.119.70 0:0:0:0:0:ffff:4179:7746
65.121.119.71 0:0:0:0:0:ffff:4179:7747
65.121.119.72 0:0:0:0:0:ffff:4179:7748
65.121.119.73 0:0:0:0:0:ffff:4179:7749
65.121.119.74 0:0:0:0:0:ffff:4179:774a
65.121.119.75 0:0:0:0:0:ffff:4179:774b
65.121.119.76 0:0:0:0:0:ffff:4179:774c
65.121.119.77 0:0:0:0:0:ffff:4179:774d
65.121.119.78 0:0:0:0:0:ffff:4179:774e
65.121.119.79 0:0:0:0:0:ffff:4179:774f
65.121.119.80 0:0:0:0:0:ffff:4179:7750
65.121.119.81 0:0:0:0:0:ffff:4179:7751
65.121.119.82 0:0:0:0:0:ffff:4179:7752
65.121.119.83 0:0:0:0:0:ffff:4179:7753
65.121.119.84 0:0:0:0:0:ffff:4179:7754
65.121.119.85 0:0:0:0:0:ffff:4179:7755
65.121.119.86 0:0:0:0:0:ffff:4179:7756
65.121.119.87 0:0:0:0:0:ffff:4179:7757
65.121.119.88 0:0:0:0:0:ffff:4179:7758
65.121.119.89 0:0:0:0:0:ffff:4179:7759
65.121.119.90 0:0:0:0:0:ffff:4179:775a
65.121.119.91 0:0:0:0:0:ffff:4179:775b
65.121.119.92 0:0:0:0:0:ffff:4179:775c
65.121.119.93 0:0:0:0:0:ffff:4179:775d
65.121.119.94 0:0:0:0:0:ffff:4179:775e
65.121.119.95 0:0:0:0:0:ffff:4179:775f
65.121.119.96 0:0:0:0:0:ffff:4179:7760
65.121.119.97 0:0:0:0:0:ffff:4179:7761
65.121.119.98 0:0:0:0:0:ffff:4179:7762
65.121.119.99 0:0:0:0:0:ffff:4179:7763
65.121.119.100 0:0:0:0:0:ffff:4179:7764
65.121.119.101 0:0:0:0:0:ffff:4179:7765
65.121.119.102 0:0:0:0:0:ffff:4179:7766
65.121.119.103 0:0:0:0:0:ffff:4179:7767
65.121.119.104 0:0:0:0:0:ffff:4179:7768
65.121.119.105 0:0:0:0:0:ffff:4179:7769
65.121.119.106 0:0:0:0:0:ffff:4179:776a
65.121.119.107 0:0:0:0:0:ffff:4179:776b
65.121.119.108 0:0:0:0:0:ffff:4179:776c
65.121.119.109 0:0:0:0:0:ffff:4179:776d
65.121.119.110 0:0:0:0:0:ffff:4179:776e
65.121.119.111 0:0:0:0:0:ffff:4179:776f
65.121.119.112 0:0:0:0:0:ffff:4179:7770
65.121.119.113 0:0:0:0:0:ffff:4179:7771
65.121.119.114 0:0:0:0:0:ffff:4179:7772
65.121.119.115 0:0:0:0:0:ffff:4179:7773
65.121.119.116 0:0:0:0:0:ffff:4179:7774
65.121.119.117 0:0:0:0:0:ffff:4179:7775
65.121.119.118 0:0:0:0:0:ffff:4179:7776
65.121.119.119 0:0:0:0:0:ffff:4179:7777
65.121.119.120 0:0:0:0:0:ffff:4179:7778


65.121.119.121 0:0:0:0:0:ffff:4179:7779
65.121.119.122 0:0:0:0:0:ffff:4179:777a
65.121.119.123 0:0:0:0:0:ffff:4179:777b
65.121.119.124 0:0:0:0:0:ffff:4179:777c
65.121.119.125 0:0:0:0:0:ffff:4179:777d
65.121.119.126 0:0:0:0:0:ffff:4179:777e
65.121.119.127 0:0:0:0:0:ffff:4179:777f
65.121.119.128 0:0:0:0:0:ffff:4179:7780
65.121.119.129 0:0:0:0:0:ffff:4179:7781
65.121.119.130 0:0:0:0:0:ffff:4179:7782
65.121.119.131 0:0:0:0:0:ffff:4179:7783
65.121.119.132 0:0:0:0:0:ffff:4179:7784
65.121.119.133 0:0:0:0:0:ffff:4179:7785
65.121.119.134 0:0:0:0:0:ffff:4179:7786
65.121.119.135 0:0:0:0:0:ffff:4179:7787
65.121.119.136 0:0:0:0:0:ffff:4179:7788
65.121.119.137 0:0:0:0:0:ffff:4179:7789
65.121.119.138 0:0:0:0:0:ffff:4179:778a
65.121.119.139 0:0:0:0:0:ffff:4179:778b
65.121.119.140 0:0:0:0:0:ffff:4179:778c
65.121.119.141 0:0:0:0:0:ffff:4179:778d
65.121.119.142 0:0:0:0:0:ffff:4179:778e
65.121.119.143 0:0:0:0:0:ffff:4179:778f
65.121.119.144 0:0:0:0:0:ffff:4179:7790
65.121.119.145 0:0:0:0:0:ffff:4179:7791
65.121.119.146 0:0:0:0:0:ffff:4179:7792
65.121.119.147 0:0:0:0:0:ffff:4179:7793
65.121.119.148 0:0:0:0:0:ffff:4179:7794
65.121.119.149 0:0:0:0:0:ffff:4179:7795
65.121.119.150 0:0:0:0:0:ffff:4179:7796
65.121.119.151 0:0:0:0:0:ffff:4179:7797
65.121.119.152 0:0:0:0:0:ffff:4179:7798
65.121.119.153 0:0:0:0:0:ffff:4179:7799
65.121.119.154 0:0:0:0:0:ffff:4179:779a
65.121.119.155 0:0:0:0:0:ffff:4179:779b
65.121.119.156 0:0:0:0:0:ffff:4179:779c
65.121.119.157 0:0:0:0:0:ffff:4179:779d
65.121.119.158 0:0:0:0:0:ffff:4179:779e
65.121.119.159 0:0:0:0:0:ffff:4179:779f
65.121.119.160 0:0:0:0:0:ffff:4179:77a0
65.121.119.161 0:0:0:0:0:ffff:4179:77a1
65.121.119.162 0:0:0:0:0:ffff:4179:77a2
65.121.119.163 0:0:0:0:0:ffff:4179:77a3
65.121.119.164 0:0:0:0:0:ffff:4179:77a4
65.121.119.165 0:0:0:0:0:ffff:4179:77a5
65.121.119.166 0:0:0:0:0:ffff:4179:77a6
65.121.119.167 0:0:0:0:0:ffff:4179:77a7
65.121.119.168 0:0:0:0:0:ffff:4179:77a8
65.121.119.169 0:0:0:0:0:ffff:4179:77a9
65.121.119.170 0:0:0:0:0:ffff:4179:77aa
65.121.119.171 0:0:0:0:0:ffff:4179:77ab
65.121.119.172 0:0:0:0:0:ffff:4179:77ac
65.121.119.173 0:0:0:0:0:ffff:4179:77ad
65.121.119.174 0:0:0:0:0:ffff:4179:77ae
65.121.119.175 0:0:0:0:0:ffff:4179:77af
65.121.119.176 0:0:0:0:0:ffff:4179:77b0
65.121.119.177 0:0:0:0:0:ffff:4179:77b1
65.121.119.178 0:0:0:0:0:ffff:4179:77b2
65.121.119.179 0:0:0:0:0:ffff:4179:77b3
65.121.119.180 0:0:0:0:0:ffff:4179:77b4


65.121.119.181 0:0:0:0:0:ffff:4179:77b5
65.121.119.182 0:0:0:0:0:ffff:4179:77b6
65.121.119.183 0:0:0:0:0:ffff:4179:77b7
65.121.119.184 0:0:0:0:0:ffff:4179:77b8
65.121.119.185 0:0:0:0:0:ffff:4179:77b9
65.121.119.186 0:0:0:0:0:ffff:4179:77ba
65.121.119.187 0:0:0:0:0:ffff:4179:77bb
65.121.119.188 0:0:0:0:0:ffff:4179:77bc
65.121.119.189 0:0:0:0:0:ffff:4179:77bd
65.121.119.190 0:0:0:0:0:ffff:4179:77be
65.121.119.191 0:0:0:0:0:ffff:4179:77bf
65.121.119.192 0:0:0:0:0:ffff:4179:77c0
65.121.119.193 0:0:0:0:0:ffff:4179:77c1
65.121.119.194 0:0:0:0:0:ffff:4179:77c2
65.121.119.195 0:0:0:0:0:ffff:4179:77c3
65.121.119.196 0:0:0:0:0:ffff:4179:77c4
65.121.119.197 0:0:0:0:0:ffff:4179:77c5
65.121.119.198 0:0:0:0:0:ffff:4179:77c6
65.121.119.199 0:0:0:0:0:ffff:4179:77c7
65.121.119.200 0:0:0:0:0:ffff:4179:77c8
65.121.119.201 0:0:0:0:0:ffff:4179:77c9
65.121.119.202 0:0:0:0:0:ffff:4179:77ca
65.121.119.203 0:0:0:0:0:ffff:4179:77cb
65.121.119.204 0:0:0:0:0:ffff:4179:77cc
65.121.119.205 0:0:0:0:0:ffff:4179:77cd
65.121.119.206 0:0:0:0:0:ffff:4179:77ce
65.121.119.207 0:0:0:0:0:ffff:4179:77cf
65.121.119.208 0:0:0:0:0:ffff:4179:77d0
65.121.119.209 0:0:0:0:0:ffff:4179:77d1
65.121.119.210 0:0:0:0:0:ffff:4179:77d2
65.121.119.211 0:0:0:0:0:ffff:4179:77d3
65.121.119.212 0:0:0:0:0:ffff:4179:77d4
65.121.119.213 0:0:0:0:0:ffff:4179:77d5
65.121.119.214 0:0:0:0:0:ffff:4179:77d6
65.121.119.215 0:0:0:0:0:ffff:4179:77d7
65.121.119.216 0:0:0:0:0:ffff:4179:77d8
65.121.119.217 0:0:0:0:0:ffff:4179:77d9
65.121.119.218 0:0:0:0:0:ffff:4179:77da
65.121.119.219 0:0:0:0:0:ffff:4179:77db
65.121.119.220 0:0:0:0:0:ffff:4179:77dc
65.121.119.221 0:0:0:0:0:ffff:4179:77dd
65.121.119.222 0:0:0:0:0:ffff:4179:77de
65.121.119.223 0:0:0:0:0:ffff:4179:77df
65.121.119.224 0:0:0:0:0:ffff:4179:77e0
65.121.119.225 0:0:0:0:0:ffff:4179:77e1
65.121.119.226 0:0:0:0:0:ffff:4179:77e2
65.121.119.227 0:0:0:0:0:ffff:4179:77e3
65.121.119.228 0:0:0:0:0:ffff:4179:77e4
65.121.119.229 0:0:0:0:0:ffff:4179:77e5
65.121.119.230 0:0:0:0:0:ffff:4179:77e6
65.121.119.231 0:0:0:0:0:ffff:4179:77e7
65.121.119.232 0:0:0:0:0:ffff:4179:77e8
65.121.119.233 0:0:0:0:0:ffff:4179:77e9
65.121.119.234 0:0:0:0:0:ffff:4179:77ea
65.121.119.235 0:0:0:0:0:ffff:4179:77eb
65.121.119.236 0:0:0:0:0:ffff:4179:77ec
65.121.119.237 0:0:0:0:0:ffff:4179:77ed
65.121.119.238 0:0:0:0:0:ffff:4179:77ee
65.121.119.239 0:0:0:0:0:ffff:4179:77ef
65.121.119.240 0:0:0:0:0:ffff:4179:77f0
65.121.119.241 0:0:0:0:0:ffff:4179:77f1
65.121.119.242 0:0:0:0:0:ffff:4179:77f2
65.121.119.243 0:0:0:0:0:ffff:4179:77f3
65.121.119.244 0:0:0:0:0:ffff:4179:77f4
65.121.119.245 0:0:0:0:0:ffff:4179:77f5
65.121.119.246 0:0:0:0:0:ffff:4179:77f6
65.121.119.247 0:0:0:0:0:ffff:4179:77f7
65.121.119.248 0:0:0:0:0:ffff:4179:77f8
65.121.119.249 0:0:0:0:0:ffff:4179:77f9
65.121.119.250 0:0:0:0:0:ffff:4179:77fa
65.121.119.251 0:0:0:0:0:ffff:4179:77fb
65.121.119.252 0:0:0:0:0:ffff:4179:77fc
65.121.119.253 0:0:0:0:0:ffff:4179:77fd
65.121.119.254 0:0:0:0:0:ffff:4179:77fe
65.121.119.255 0:0:0:0:0:ffff:4179:77ff


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.