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
12.17.128.1 0:0:0:0:0:ffff:c11:8001
12.17.128.2 0:0:0:0:0:ffff:c11:8002
12.17.128.3 0:0:0:0:0:ffff:c11:8003
12.17.128.4 0:0:0:0:0:ffff:c11:8004
12.17.128.5 0:0:0:0:0:ffff:c11:8005
12.17.128.6 0:0:0:0:0:ffff:c11:8006
12.17.128.7 0:0:0:0:0:ffff:c11:8007
12.17.128.8 0:0:0:0:0:ffff:c11:8008
12.17.128.9 0:0:0:0:0:ffff:c11:8009
12.17.128.10 0:0:0:0:0:ffff:c11:800a
12.17.128.11 0:0:0:0:0:ffff:c11:800b
12.17.128.12 0:0:0:0:0:ffff:c11:800c
12.17.128.13 0:0:0:0:0:ffff:c11:800d
12.17.128.14 0:0:0:0:0:ffff:c11:800e
12.17.128.15 0:0:0:0:0:ffff:c11:800f
12.17.128.16 0:0:0:0:0:ffff:c11:8010
12.17.128.17 0:0:0:0:0:ffff:c11:8011
12.17.128.18 0:0:0:0:0:ffff:c11:8012
12.17.128.19 0:0:0:0:0:ffff:c11:8013
12.17.128.20 0:0:0:0:0:ffff:c11:8014
12.17.128.21 0:0:0:0:0:ffff:c11:8015
12.17.128.22 0:0:0:0:0:ffff:c11:8016
12.17.128.23 0:0:0:0:0:ffff:c11:8017
12.17.128.24 0:0:0:0:0:ffff:c11:8018
12.17.128.25 0:0:0:0:0:ffff:c11:8019
12.17.128.26 0:0:0:0:0:ffff:c11:801a
12.17.128.27 0:0:0:0:0:ffff:c11:801b
12.17.128.28 0:0:0:0:0:ffff:c11:801c
12.17.128.29 0:0:0:0:0:ffff:c11:801d
12.17.128.30 0:0:0:0:0:ffff:c11:801e
12.17.128.31 0:0:0:0:0:ffff:c11:801f
12.17.128.32 0:0:0:0:0:ffff:c11:8020
12.17.128.33 0:0:0:0:0:ffff:c11:8021
12.17.128.34 0:0:0:0:0:ffff:c11:8022
12.17.128.35 0:0:0:0:0:ffff:c11:8023
12.17.128.36 0:0:0:0:0:ffff:c11:8024
12.17.128.37 0:0:0:0:0:ffff:c11:8025
12.17.128.38 0:0:0:0:0:ffff:c11:8026
12.17.128.39 0:0:0:0:0:ffff:c11:8027
12.17.128.40 0:0:0:0:0:ffff:c11:8028
12.17.128.41 0:0:0:0:0:ffff:c11:8029
12.17.128.42 0:0:0:0:0:ffff:c11:802a
12.17.128.43 0:0:0:0:0:ffff:c11:802b
12.17.128.44 0:0:0:0:0:ffff:c11:802c
12.17.128.45 0:0:0:0:0:ffff:c11:802d
12.17.128.46 0:0:0:0:0:ffff:c11:802e
12.17.128.47 0:0:0:0:0:ffff:c11:802f
12.17.128.48 0:0:0:0:0:ffff:c11:8030
12.17.128.49 0:0:0:0:0:ffff:c11:8031
12.17.128.50 0:0:0:0:0:ffff:c11:8032
12.17.128.51 0:0:0:0:0:ffff:c11:8033
12.17.128.52 0:0:0:0:0:ffff:c11:8034
12.17.128.53 0:0:0:0:0:ffff:c11:8035
12.17.128.54 0:0:0:0:0:ffff:c11:8036
12.17.128.55 0:0:0:0:0:ffff:c11:8037
12.17.128.56 0:0:0:0:0:ffff:c11:8038
12.17.128.57 0:0:0:0:0:ffff:c11:8039
12.17.128.58 0:0:0:0:0:ffff:c11:803a
12.17.128.59 0:0:0:0:0:ffff:c11:803b
12.17.128.60 0:0:0:0:0:ffff:c11:803c


12.17.128.61 0:0:0:0:0:ffff:c11:803d
12.17.128.62 0:0:0:0:0:ffff:c11:803e
12.17.128.63 0:0:0:0:0:ffff:c11:803f
12.17.128.64 0:0:0:0:0:ffff:c11:8040
12.17.128.65 0:0:0:0:0:ffff:c11:8041
12.17.128.66 0:0:0:0:0:ffff:c11:8042
12.17.128.67 0:0:0:0:0:ffff:c11:8043
12.17.128.68 0:0:0:0:0:ffff:c11:8044
12.17.128.69 0:0:0:0:0:ffff:c11:8045
12.17.128.70 0:0:0:0:0:ffff:c11:8046
12.17.128.71 0:0:0:0:0:ffff:c11:8047
12.17.128.72 0:0:0:0:0:ffff:c11:8048
12.17.128.73 0:0:0:0:0:ffff:c11:8049
12.17.128.74 0:0:0:0:0:ffff:c11:804a
12.17.128.75 0:0:0:0:0:ffff:c11:804b
12.17.128.76 0:0:0:0:0:ffff:c11:804c
12.17.128.77 0:0:0:0:0:ffff:c11:804d
12.17.128.78 0:0:0:0:0:ffff:c11:804e
12.17.128.79 0:0:0:0:0:ffff:c11:804f
12.17.128.80 0:0:0:0:0:ffff:c11:8050
12.17.128.81 0:0:0:0:0:ffff:c11:8051
12.17.128.82 0:0:0:0:0:ffff:c11:8052
12.17.128.83 0:0:0:0:0:ffff:c11:8053
12.17.128.84 0:0:0:0:0:ffff:c11:8054
12.17.128.85 0:0:0:0:0:ffff:c11:8055
12.17.128.86 0:0:0:0:0:ffff:c11:8056
12.17.128.87 0:0:0:0:0:ffff:c11:8057
12.17.128.88 0:0:0:0:0:ffff:c11:8058
12.17.128.89 0:0:0:0:0:ffff:c11:8059
12.17.128.90 0:0:0:0:0:ffff:c11:805a
12.17.128.91 0:0:0:0:0:ffff:c11:805b
12.17.128.92 0:0:0:0:0:ffff:c11:805c
12.17.128.93 0:0:0:0:0:ffff:c11:805d
12.17.128.94 0:0:0:0:0:ffff:c11:805e
12.17.128.95 0:0:0:0:0:ffff:c11:805f
12.17.128.96 0:0:0:0:0:ffff:c11:8060
12.17.128.97 0:0:0:0:0:ffff:c11:8061
12.17.128.98 0:0:0:0:0:ffff:c11:8062
12.17.128.99 0:0:0:0:0:ffff:c11:8063
12.17.128.100 0:0:0:0:0:ffff:c11:8064
12.17.128.101 0:0:0:0:0:ffff:c11:8065
12.17.128.102 0:0:0:0:0:ffff:c11:8066
12.17.128.103 0:0:0:0:0:ffff:c11:8067
12.17.128.104 0:0:0:0:0:ffff:c11:8068
12.17.128.105 0:0:0:0:0:ffff:c11:8069
12.17.128.106 0:0:0:0:0:ffff:c11:806a
12.17.128.107 0:0:0:0:0:ffff:c11:806b
12.17.128.108 0:0:0:0:0:ffff:c11:806c
12.17.128.109 0:0:0:0:0:ffff:c11:806d
12.17.128.110 0:0:0:0:0:ffff:c11:806e
12.17.128.111 0:0:0:0:0:ffff:c11:806f
12.17.128.112 0:0:0:0:0:ffff:c11:8070
12.17.128.113 0:0:0:0:0:ffff:c11:8071
12.17.128.114 0:0:0:0:0:ffff:c11:8072
12.17.128.115 0:0:0:0:0:ffff:c11:8073
12.17.128.116 0:0:0:0:0:ffff:c11:8074
12.17.128.117 0:0:0:0:0:ffff:c11:8075
12.17.128.118 0:0:0:0:0:ffff:c11:8076
12.17.128.119 0:0:0:0:0:ffff:c11:8077
12.17.128.120 0:0:0:0:0:ffff:c11:8078


12.17.128.121 0:0:0:0:0:ffff:c11:8079
12.17.128.122 0:0:0:0:0:ffff:c11:807a
12.17.128.123 0:0:0:0:0:ffff:c11:807b
12.17.128.124 0:0:0:0:0:ffff:c11:807c
12.17.128.125 0:0:0:0:0:ffff:c11:807d
12.17.128.126 0:0:0:0:0:ffff:c11:807e
12.17.128.127 0:0:0:0:0:ffff:c11:807f
12.17.128.128 0:0:0:0:0:ffff:c11:8080
12.17.128.129 0:0:0:0:0:ffff:c11:8081
12.17.128.130 0:0:0:0:0:ffff:c11:8082
12.17.128.131 0:0:0:0:0:ffff:c11:8083
12.17.128.132 0:0:0:0:0:ffff:c11:8084
12.17.128.133 0:0:0:0:0:ffff:c11:8085
12.17.128.134 0:0:0:0:0:ffff:c11:8086
12.17.128.135 0:0:0:0:0:ffff:c11:8087
12.17.128.136 0:0:0:0:0:ffff:c11:8088
12.17.128.137 0:0:0:0:0:ffff:c11:8089
12.17.128.138 0:0:0:0:0:ffff:c11:808a
12.17.128.139 0:0:0:0:0:ffff:c11:808b
12.17.128.140 0:0:0:0:0:ffff:c11:808c
12.17.128.141 0:0:0:0:0:ffff:c11:808d
12.17.128.142 0:0:0:0:0:ffff:c11:808e
12.17.128.143 0:0:0:0:0:ffff:c11:808f
12.17.128.144 0:0:0:0:0:ffff:c11:8090
12.17.128.145 0:0:0:0:0:ffff:c11:8091
12.17.128.146 0:0:0:0:0:ffff:c11:8092
12.17.128.147 0:0:0:0:0:ffff:c11:8093
12.17.128.148 0:0:0:0:0:ffff:c11:8094
12.17.128.149 0:0:0:0:0:ffff:c11:8095
12.17.128.150 0:0:0:0:0:ffff:c11:8096
12.17.128.151 0:0:0:0:0:ffff:c11:8097
12.17.128.152 0:0:0:0:0:ffff:c11:8098
12.17.128.153 0:0:0:0:0:ffff:c11:8099
12.17.128.154 0:0:0:0:0:ffff:c11:809a
12.17.128.155 0:0:0:0:0:ffff:c11:809b
12.17.128.156 0:0:0:0:0:ffff:c11:809c
12.17.128.157 0:0:0:0:0:ffff:c11:809d
12.17.128.158 0:0:0:0:0:ffff:c11:809e
12.17.128.159 0:0:0:0:0:ffff:c11:809f
12.17.128.160 0:0:0:0:0:ffff:c11:80a0
12.17.128.161 0:0:0:0:0:ffff:c11:80a1
12.17.128.162 0:0:0:0:0:ffff:c11:80a2
12.17.128.163 0:0:0:0:0:ffff:c11:80a3
12.17.128.164 0:0:0:0:0:ffff:c11:80a4
12.17.128.165 0:0:0:0:0:ffff:c11:80a5
12.17.128.166 0:0:0:0:0:ffff:c11:80a6
12.17.128.167 0:0:0:0:0:ffff:c11:80a7
12.17.128.168 0:0:0:0:0:ffff:c11:80a8
12.17.128.169 0:0:0:0:0:ffff:c11:80a9
12.17.128.170 0:0:0:0:0:ffff:c11:80aa
12.17.128.171 0:0:0:0:0:ffff:c11:80ab
12.17.128.172 0:0:0:0:0:ffff:c11:80ac
12.17.128.173 0:0:0:0:0:ffff:c11:80ad
12.17.128.174 0:0:0:0:0:ffff:c11:80ae
12.17.128.175 0:0:0:0:0:ffff:c11:80af
12.17.128.176 0:0:0:0:0:ffff:c11:80b0
12.17.128.177 0:0:0:0:0:ffff:c11:80b1
12.17.128.178 0:0:0:0:0:ffff:c11:80b2
12.17.128.179 0:0:0:0:0:ffff:c11:80b3
12.17.128.180 0:0:0:0:0:ffff:c11:80b4


12.17.128.181 0:0:0:0:0:ffff:c11:80b5
12.17.128.182 0:0:0:0:0:ffff:c11:80b6
12.17.128.183 0:0:0:0:0:ffff:c11:80b7
12.17.128.184 0:0:0:0:0:ffff:c11:80b8
12.17.128.185 0:0:0:0:0:ffff:c11:80b9
12.17.128.186 0:0:0:0:0:ffff:c11:80ba
12.17.128.187 0:0:0:0:0:ffff:c11:80bb
12.17.128.188 0:0:0:0:0:ffff:c11:80bc
12.17.128.189 0:0:0:0:0:ffff:c11:80bd
12.17.128.190 0:0:0:0:0:ffff:c11:80be
12.17.128.191 0:0:0:0:0:ffff:c11:80bf
12.17.128.192 0:0:0:0:0:ffff:c11:80c0
12.17.128.193 0:0:0:0:0:ffff:c11:80c1
12.17.128.194 0:0:0:0:0:ffff:c11:80c2
12.17.128.195 0:0:0:0:0:ffff:c11:80c3
12.17.128.196 0:0:0:0:0:ffff:c11:80c4
12.17.128.197 0:0:0:0:0:ffff:c11:80c5
12.17.128.198 0:0:0:0:0:ffff:c11:80c6
12.17.128.199 0:0:0:0:0:ffff:c11:80c7
12.17.128.200 0:0:0:0:0:ffff:c11:80c8
12.17.128.201 0:0:0:0:0:ffff:c11:80c9
12.17.128.202 0:0:0:0:0:ffff:c11:80ca
12.17.128.203 0:0:0:0:0:ffff:c11:80cb
12.17.128.204 0:0:0:0:0:ffff:c11:80cc
12.17.128.205 0:0:0:0:0:ffff:c11:80cd
12.17.128.206 0:0:0:0:0:ffff:c11:80ce
12.17.128.207 0:0:0:0:0:ffff:c11:80cf
12.17.128.208 0:0:0:0:0:ffff:c11:80d0
12.17.128.209 0:0:0:0:0:ffff:c11:80d1
12.17.128.210 0:0:0:0:0:ffff:c11:80d2
12.17.128.211 0:0:0:0:0:ffff:c11:80d3
12.17.128.212 0:0:0:0:0:ffff:c11:80d4
12.17.128.213 0:0:0:0:0:ffff:c11:80d5
12.17.128.214 0:0:0:0:0:ffff:c11:80d6
12.17.128.215 0:0:0:0:0:ffff:c11:80d7
12.17.128.216 0:0:0:0:0:ffff:c11:80d8
12.17.128.217 0:0:0:0:0:ffff:c11:80d9
12.17.128.218 0:0:0:0:0:ffff:c11:80da
12.17.128.219 0:0:0:0:0:ffff:c11:80db
12.17.128.220 0:0:0:0:0:ffff:c11:80dc
12.17.128.221 0:0:0:0:0:ffff:c11:80dd
12.17.128.222 0:0:0:0:0:ffff:c11:80de
12.17.128.223 0:0:0:0:0:ffff:c11:80df
12.17.128.224 0:0:0:0:0:ffff:c11:80e0
12.17.128.225 0:0:0:0:0:ffff:c11:80e1
12.17.128.226 0:0:0:0:0:ffff:c11:80e2
12.17.128.227 0:0:0:0:0:ffff:c11:80e3
12.17.128.228 0:0:0:0:0:ffff:c11:80e4
12.17.128.229 0:0:0:0:0:ffff:c11:80e5
12.17.128.230 0:0:0:0:0:ffff:c11:80e6
12.17.128.231 0:0:0:0:0:ffff:c11:80e7
12.17.128.232 0:0:0:0:0:ffff:c11:80e8
12.17.128.233 0:0:0:0:0:ffff:c11:80e9
12.17.128.234 0:0:0:0:0:ffff:c11:80ea
12.17.128.235 0:0:0:0:0:ffff:c11:80eb
12.17.128.236 0:0:0:0:0:ffff:c11:80ec
12.17.128.237 0:0:0:0:0:ffff:c11:80ed
12.17.128.238 0:0:0:0:0:ffff:c11:80ee
12.17.128.239 0:0:0:0:0:ffff:c11:80ef
12.17.128.240 0:0:0:0:0:ffff:c11:80f0
12.17.128.241 0:0:0:0:0:ffff:c11:80f1
12.17.128.242 0:0:0:0:0:ffff:c11:80f2
12.17.128.243 0:0:0:0:0:ffff:c11:80f3
12.17.128.244 0:0:0:0:0:ffff:c11:80f4
12.17.128.245 0:0:0:0:0:ffff:c11:80f5
12.17.128.246 0:0:0:0:0:ffff:c11:80f6
12.17.128.247 0:0:0:0:0:ffff:c11:80f7
12.17.128.248 0:0:0:0:0:ffff:c11:80f8
12.17.128.249 0:0:0:0:0:ffff:c11:80f9
12.17.128.250 0:0:0:0:0:ffff:c11:80fa
12.17.128.251 0:0:0:0:0:ffff:c11:80fb
12.17.128.252 0:0:0:0:0:ffff:c11:80fc
12.17.128.253 0:0:0:0:0:ffff:c11:80fd
12.17.128.254 0:0:0:0:0:ffff:c11:80fe
12.17.128.255 0:0:0:0:0:ffff:c11:80ff


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.