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
65.121.118.1 0:0:0:0:0:ffff:4179:7601
65.121.118.2 0:0:0:0:0:ffff:4179:7602
65.121.118.3 0:0:0:0:0:ffff:4179:7603
65.121.118.4 0:0:0:0:0:ffff:4179:7604
65.121.118.5 0:0:0:0:0:ffff:4179:7605
65.121.118.6 0:0:0:0:0:ffff:4179:7606
65.121.118.7 0:0:0:0:0:ffff:4179:7607
65.121.118.8 0:0:0:0:0:ffff:4179:7608
65.121.118.9 0:0:0:0:0:ffff:4179:7609
65.121.118.10 0:0:0:0:0:ffff:4179:760a
65.121.118.11 0:0:0:0:0:ffff:4179:760b
65.121.118.12 0:0:0:0:0:ffff:4179:760c
65.121.118.13 0:0:0:0:0:ffff:4179:760d
65.121.118.14 0:0:0:0:0:ffff:4179:760e
65.121.118.15 0:0:0:0:0:ffff:4179:760f
65.121.118.16 0:0:0:0:0:ffff:4179:7610
65.121.118.17 0:0:0:0:0:ffff:4179:7611
65.121.118.18 0:0:0:0:0:ffff:4179:7612
65.121.118.19 0:0:0:0:0:ffff:4179:7613
65.121.118.20 0:0:0:0:0:ffff:4179:7614
65.121.118.21 0:0:0:0:0:ffff:4179:7615
65.121.118.22 0:0:0:0:0:ffff:4179:7616
65.121.118.23 0:0:0:0:0:ffff:4179:7617
65.121.118.24 0:0:0:0:0:ffff:4179:7618
65.121.118.25 0:0:0:0:0:ffff:4179:7619
65.121.118.26 0:0:0:0:0:ffff:4179:761a
65.121.118.27 0:0:0:0:0:ffff:4179:761b
65.121.118.28 0:0:0:0:0:ffff:4179:761c
65.121.118.29 0:0:0:0:0:ffff:4179:761d
65.121.118.30 0:0:0:0:0:ffff:4179:761e
65.121.118.31 0:0:0:0:0:ffff:4179:761f
65.121.118.32 0:0:0:0:0:ffff:4179:7620
65.121.118.33 0:0:0:0:0:ffff:4179:7621
65.121.118.34 0:0:0:0:0:ffff:4179:7622
65.121.118.35 0:0:0:0:0:ffff:4179:7623
65.121.118.36 0:0:0:0:0:ffff:4179:7624
65.121.118.37 0:0:0:0:0:ffff:4179:7625
65.121.118.38 0:0:0:0:0:ffff:4179:7626
65.121.118.39 0:0:0:0:0:ffff:4179:7627
65.121.118.40 0:0:0:0:0:ffff:4179:7628
65.121.118.41 0:0:0:0:0:ffff:4179:7629
65.121.118.42 0:0:0:0:0:ffff:4179:762a
65.121.118.43 0:0:0:0:0:ffff:4179:762b
65.121.118.44 0:0:0:0:0:ffff:4179:762c
65.121.118.45 0:0:0:0:0:ffff:4179:762d
65.121.118.46 0:0:0:0:0:ffff:4179:762e
65.121.118.47 0:0:0:0:0:ffff:4179:762f
65.121.118.48 0:0:0:0:0:ffff:4179:7630
65.121.118.49 0:0:0:0:0:ffff:4179:7631
65.121.118.50 0:0:0:0:0:ffff:4179:7632
65.121.118.51 0:0:0:0:0:ffff:4179:7633
65.121.118.52 0:0:0:0:0:ffff:4179:7634
65.121.118.53 0:0:0:0:0:ffff:4179:7635
65.121.118.54 0:0:0:0:0:ffff:4179:7636
65.121.118.55 0:0:0:0:0:ffff:4179:7637
65.121.118.56 0:0:0:0:0:ffff:4179:7638
65.121.118.57 0:0:0:0:0:ffff:4179:7639
65.121.118.58 0:0:0:0:0:ffff:4179:763a
65.121.118.59 0:0:0:0:0:ffff:4179:763b
65.121.118.60 0:0:0:0:0:ffff:4179:763c


65.121.118.61 0:0:0:0:0:ffff:4179:763d
65.121.118.62 0:0:0:0:0:ffff:4179:763e
65.121.118.63 0:0:0:0:0:ffff:4179:763f
65.121.118.64 0:0:0:0:0:ffff:4179:7640
65.121.118.65 0:0:0:0:0:ffff:4179:7641
65.121.118.66 0:0:0:0:0:ffff:4179:7642
65.121.118.67 0:0:0:0:0:ffff:4179:7643
65.121.118.68 0:0:0:0:0:ffff:4179:7644
65.121.118.69 0:0:0:0:0:ffff:4179:7645
65.121.118.70 0:0:0:0:0:ffff:4179:7646
65.121.118.71 0:0:0:0:0:ffff:4179:7647
65.121.118.72 0:0:0:0:0:ffff:4179:7648
65.121.118.73 0:0:0:0:0:ffff:4179:7649
65.121.118.74 0:0:0:0:0:ffff:4179:764a
65.121.118.75 0:0:0:0:0:ffff:4179:764b
65.121.118.76 0:0:0:0:0:ffff:4179:764c
65.121.118.77 0:0:0:0:0:ffff:4179:764d
65.121.118.78 0:0:0:0:0:ffff:4179:764e
65.121.118.79 0:0:0:0:0:ffff:4179:764f
65.121.118.80 0:0:0:0:0:ffff:4179:7650
65.121.118.81 0:0:0:0:0:ffff:4179:7651
65.121.118.82 0:0:0:0:0:ffff:4179:7652
65.121.118.83 0:0:0:0:0:ffff:4179:7653
65.121.118.84 0:0:0:0:0:ffff:4179:7654
65.121.118.85 0:0:0:0:0:ffff:4179:7655
65.121.118.86 0:0:0:0:0:ffff:4179:7656
65.121.118.87 0:0:0:0:0:ffff:4179:7657
65.121.118.88 0:0:0:0:0:ffff:4179:7658
65.121.118.89 0:0:0:0:0:ffff:4179:7659
65.121.118.90 0:0:0:0:0:ffff:4179:765a
65.121.118.91 0:0:0:0:0:ffff:4179:765b
65.121.118.92 0:0:0:0:0:ffff:4179:765c
65.121.118.93 0:0:0:0:0:ffff:4179:765d
65.121.118.94 0:0:0:0:0:ffff:4179:765e
65.121.118.95 0:0:0:0:0:ffff:4179:765f
65.121.118.96 0:0:0:0:0:ffff:4179:7660
65.121.118.97 0:0:0:0:0:ffff:4179:7661
65.121.118.98 0:0:0:0:0:ffff:4179:7662
65.121.118.99 0:0:0:0:0:ffff:4179:7663
65.121.118.100 0:0:0:0:0:ffff:4179:7664
65.121.118.101 0:0:0:0:0:ffff:4179:7665
65.121.118.102 0:0:0:0:0:ffff:4179:7666
65.121.118.103 0:0:0:0:0:ffff:4179:7667
65.121.118.104 0:0:0:0:0:ffff:4179:7668
65.121.118.105 0:0:0:0:0:ffff:4179:7669
65.121.118.106 0:0:0:0:0:ffff:4179:766a
65.121.118.107 0:0:0:0:0:ffff:4179:766b
65.121.118.108 0:0:0:0:0:ffff:4179:766c
65.121.118.109 0:0:0:0:0:ffff:4179:766d
65.121.118.110 0:0:0:0:0:ffff:4179:766e
65.121.118.111 0:0:0:0:0:ffff:4179:766f
65.121.118.112 0:0:0:0:0:ffff:4179:7670
65.121.118.113 0:0:0:0:0:ffff:4179:7671
65.121.118.114 0:0:0:0:0:ffff:4179:7672
65.121.118.115 0:0:0:0:0:ffff:4179:7673
65.121.118.116 0:0:0:0:0:ffff:4179:7674
65.121.118.117 0:0:0:0:0:ffff:4179:7675
65.121.118.118 0:0:0:0:0:ffff:4179:7676
65.121.118.119 0:0:0:0:0:ffff:4179:7677
65.121.118.120 0:0:0:0:0:ffff:4179:7678


65.121.118.121 0:0:0:0:0:ffff:4179:7679
65.121.118.122 0:0:0:0:0:ffff:4179:767a
65.121.118.123 0:0:0:0:0:ffff:4179:767b
65.121.118.124 0:0:0:0:0:ffff:4179:767c
65.121.118.125 0:0:0:0:0:ffff:4179:767d
65.121.118.126 0:0:0:0:0:ffff:4179:767e
65.121.118.127 0:0:0:0:0:ffff:4179:767f
65.121.118.128 0:0:0:0:0:ffff:4179:7680
65.121.118.129 0:0:0:0:0:ffff:4179:7681
65.121.118.130 0:0:0:0:0:ffff:4179:7682
65.121.118.131 0:0:0:0:0:ffff:4179:7683
65.121.118.132 0:0:0:0:0:ffff:4179:7684
65.121.118.133 0:0:0:0:0:ffff:4179:7685
65.121.118.134 0:0:0:0:0:ffff:4179:7686
65.121.118.135 0:0:0:0:0:ffff:4179:7687
65.121.118.136 0:0:0:0:0:ffff:4179:7688
65.121.118.137 0:0:0:0:0:ffff:4179:7689
65.121.118.138 0:0:0:0:0:ffff:4179:768a
65.121.118.139 0:0:0:0:0:ffff:4179:768b
65.121.118.140 0:0:0:0:0:ffff:4179:768c
65.121.118.141 0:0:0:0:0:ffff:4179:768d
65.121.118.142 0:0:0:0:0:ffff:4179:768e
65.121.118.143 0:0:0:0:0:ffff:4179:768f
65.121.118.144 0:0:0:0:0:ffff:4179:7690
65.121.118.145 0:0:0:0:0:ffff:4179:7691
65.121.118.146 0:0:0:0:0:ffff:4179:7692
65.121.118.147 0:0:0:0:0:ffff:4179:7693
65.121.118.148 0:0:0:0:0:ffff:4179:7694
65.121.118.149 0:0:0:0:0:ffff:4179:7695
65.121.118.150 0:0:0:0:0:ffff:4179:7696
65.121.118.151 0:0:0:0:0:ffff:4179:7697
65.121.118.152 0:0:0:0:0:ffff:4179:7698
65.121.118.153 0:0:0:0:0:ffff:4179:7699
65.121.118.154 0:0:0:0:0:ffff:4179:769a
65.121.118.155 0:0:0:0:0:ffff:4179:769b
65.121.118.156 0:0:0:0:0:ffff:4179:769c
65.121.118.157 0:0:0:0:0:ffff:4179:769d
65.121.118.158 0:0:0:0:0:ffff:4179:769e
65.121.118.159 0:0:0:0:0:ffff:4179:769f
65.121.118.160 0:0:0:0:0:ffff:4179:76a0
65.121.118.161 0:0:0:0:0:ffff:4179:76a1
65.121.118.162 0:0:0:0:0:ffff:4179:76a2
65.121.118.163 0:0:0:0:0:ffff:4179:76a3
65.121.118.164 0:0:0:0:0:ffff:4179:76a4
65.121.118.165 0:0:0:0:0:ffff:4179:76a5
65.121.118.166 0:0:0:0:0:ffff:4179:76a6
65.121.118.167 0:0:0:0:0:ffff:4179:76a7
65.121.118.168 0:0:0:0:0:ffff:4179:76a8
65.121.118.169 0:0:0:0:0:ffff:4179:76a9
65.121.118.170 0:0:0:0:0:ffff:4179:76aa
65.121.118.171 0:0:0:0:0:ffff:4179:76ab
65.121.118.172 0:0:0:0:0:ffff:4179:76ac
65.121.118.173 0:0:0:0:0:ffff:4179:76ad
65.121.118.174 0:0:0:0:0:ffff:4179:76ae
65.121.118.175 0:0:0:0:0:ffff:4179:76af
65.121.118.176 0:0:0:0:0:ffff:4179:76b0
65.121.118.177 0:0:0:0:0:ffff:4179:76b1
65.121.118.178 0:0:0:0:0:ffff:4179:76b2
65.121.118.179 0:0:0:0:0:ffff:4179:76b3
65.121.118.180 0:0:0:0:0:ffff:4179:76b4


65.121.118.181 0:0:0:0:0:ffff:4179:76b5
65.121.118.182 0:0:0:0:0:ffff:4179:76b6
65.121.118.183 0:0:0:0:0:ffff:4179:76b7
65.121.118.184 0:0:0:0:0:ffff:4179:76b8
65.121.118.185 0:0:0:0:0:ffff:4179:76b9
65.121.118.186 0:0:0:0:0:ffff:4179:76ba
65.121.118.187 0:0:0:0:0:ffff:4179:76bb
65.121.118.188 0:0:0:0:0:ffff:4179:76bc
65.121.118.189 0:0:0:0:0:ffff:4179:76bd
65.121.118.190 0:0:0:0:0:ffff:4179:76be
65.121.118.191 0:0:0:0:0:ffff:4179:76bf
65.121.118.192 0:0:0:0:0:ffff:4179:76c0
65.121.118.193 0:0:0:0:0:ffff:4179:76c1
65.121.118.194 0:0:0:0:0:ffff:4179:76c2
65.121.118.195 0:0:0:0:0:ffff:4179:76c3
65.121.118.196 0:0:0:0:0:ffff:4179:76c4
65.121.118.197 0:0:0:0:0:ffff:4179:76c5
65.121.118.198 0:0:0:0:0:ffff:4179:76c6
65.121.118.199 0:0:0:0:0:ffff:4179:76c7
65.121.118.200 0:0:0:0:0:ffff:4179:76c8
65.121.118.201 0:0:0:0:0:ffff:4179:76c9
65.121.118.202 0:0:0:0:0:ffff:4179:76ca
65.121.118.203 0:0:0:0:0:ffff:4179:76cb
65.121.118.204 0:0:0:0:0:ffff:4179:76cc
65.121.118.205 0:0:0:0:0:ffff:4179:76cd
65.121.118.206 0:0:0:0:0:ffff:4179:76ce
65.121.118.207 0:0:0:0:0:ffff:4179:76cf
65.121.118.208 0:0:0:0:0:ffff:4179:76d0
65.121.118.209 0:0:0:0:0:ffff:4179:76d1
65.121.118.210 0:0:0:0:0:ffff:4179:76d2
65.121.118.211 0:0:0:0:0:ffff:4179:76d3
65.121.118.212 0:0:0:0:0:ffff:4179:76d4
65.121.118.213 0:0:0:0:0:ffff:4179:76d5
65.121.118.214 0:0:0:0:0:ffff:4179:76d6
65.121.118.215 0:0:0:0:0:ffff:4179:76d7
65.121.118.216 0:0:0:0:0:ffff:4179:76d8
65.121.118.217 0:0:0:0:0:ffff:4179:76d9
65.121.118.218 0:0:0:0:0:ffff:4179:76da
65.121.118.219 0:0:0:0:0:ffff:4179:76db
65.121.118.220 0:0:0:0:0:ffff:4179:76dc
65.121.118.221 0:0:0:0:0:ffff:4179:76dd
65.121.118.222 0:0:0:0:0:ffff:4179:76de
65.121.118.223 0:0:0:0:0:ffff:4179:76df
65.121.118.224 0:0:0:0:0:ffff:4179:76e0
65.121.118.225 0:0:0:0:0:ffff:4179:76e1
65.121.118.226 0:0:0:0:0:ffff:4179:76e2
65.121.118.227 0:0:0:0:0:ffff:4179:76e3
65.121.118.228 0:0:0:0:0:ffff:4179:76e4
65.121.118.229 0:0:0:0:0:ffff:4179:76e5
65.121.118.230 0:0:0:0:0:ffff:4179:76e6
65.121.118.231 0:0:0:0:0:ffff:4179:76e7
65.121.118.232 0:0:0:0:0:ffff:4179:76e8
65.121.118.233 0:0:0:0:0:ffff:4179:76e9
65.121.118.234 0:0:0:0:0:ffff:4179:76ea
65.121.118.235 0:0:0:0:0:ffff:4179:76eb
65.121.118.236 0:0:0:0:0:ffff:4179:76ec
65.121.118.237 0:0:0:0:0:ffff:4179:76ed
65.121.118.238 0:0:0:0:0:ffff:4179:76ee
65.121.118.239 0:0:0:0:0:ffff:4179:76ef
65.121.118.240 0:0:0:0:0:ffff:4179:76f0
65.121.118.241 0:0:0:0:0:ffff:4179:76f1
65.121.118.242 0:0:0:0:0:ffff:4179:76f2
65.121.118.243 0:0:0:0:0:ffff:4179:76f3
65.121.118.244 0:0:0:0:0:ffff:4179:76f4
65.121.118.245 0:0:0:0:0:ffff:4179:76f5
65.121.118.246 0:0:0:0:0:ffff:4179:76f6
65.121.118.247 0:0:0:0:0:ffff:4179:76f7
65.121.118.248 0:0:0:0:0:ffff:4179:76f8
65.121.118.249 0:0:0:0:0:ffff:4179:76f9
65.121.118.250 0:0:0:0:0:ffff:4179:76fa
65.121.118.251 0:0:0:0:0:ffff:4179:76fb
65.121.118.252 0:0:0:0:0:ffff:4179:76fc
65.121.118.253 0:0:0:0:0:ffff:4179:76fd
65.121.118.254 0:0:0:0:0:ffff:4179:76fe
65.121.118.255 0:0:0:0:0:ffff:4179:76ff


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.