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
6.128.128.1 0:0:0:0:0:ffff:680:8001
6.128.128.2 0:0:0:0:0:ffff:680:8002
6.128.128.3 0:0:0:0:0:ffff:680:8003
6.128.128.4 0:0:0:0:0:ffff:680:8004
6.128.128.5 0:0:0:0:0:ffff:680:8005
6.128.128.6 0:0:0:0:0:ffff:680:8006
6.128.128.7 0:0:0:0:0:ffff:680:8007
6.128.128.8 0:0:0:0:0:ffff:680:8008
6.128.128.9 0:0:0:0:0:ffff:680:8009
6.128.128.10 0:0:0:0:0:ffff:680:800a
6.128.128.11 0:0:0:0:0:ffff:680:800b
6.128.128.12 0:0:0:0:0:ffff:680:800c
6.128.128.13 0:0:0:0:0:ffff:680:800d
6.128.128.14 0:0:0:0:0:ffff:680:800e
6.128.128.15 0:0:0:0:0:ffff:680:800f
6.128.128.16 0:0:0:0:0:ffff:680:8010
6.128.128.17 0:0:0:0:0:ffff:680:8011
6.128.128.18 0:0:0:0:0:ffff:680:8012
6.128.128.19 0:0:0:0:0:ffff:680:8013
6.128.128.20 0:0:0:0:0:ffff:680:8014
6.128.128.21 0:0:0:0:0:ffff:680:8015
6.128.128.22 0:0:0:0:0:ffff:680:8016
6.128.128.23 0:0:0:0:0:ffff:680:8017
6.128.128.24 0:0:0:0:0:ffff:680:8018
6.128.128.25 0:0:0:0:0:ffff:680:8019
6.128.128.26 0:0:0:0:0:ffff:680:801a
6.128.128.27 0:0:0:0:0:ffff:680:801b
6.128.128.28 0:0:0:0:0:ffff:680:801c
6.128.128.29 0:0:0:0:0:ffff:680:801d
6.128.128.30 0:0:0:0:0:ffff:680:801e
6.128.128.31 0:0:0:0:0:ffff:680:801f
6.128.128.32 0:0:0:0:0:ffff:680:8020
6.128.128.33 0:0:0:0:0:ffff:680:8021
6.128.128.34 0:0:0:0:0:ffff:680:8022
6.128.128.35 0:0:0:0:0:ffff:680:8023
6.128.128.36 0:0:0:0:0:ffff:680:8024
6.128.128.37 0:0:0:0:0:ffff:680:8025
6.128.128.38 0:0:0:0:0:ffff:680:8026
6.128.128.39 0:0:0:0:0:ffff:680:8027
6.128.128.40 0:0:0:0:0:ffff:680:8028
6.128.128.41 0:0:0:0:0:ffff:680:8029
6.128.128.42 0:0:0:0:0:ffff:680:802a
6.128.128.43 0:0:0:0:0:ffff:680:802b
6.128.128.44 0:0:0:0:0:ffff:680:802c
6.128.128.45 0:0:0:0:0:ffff:680:802d
6.128.128.46 0:0:0:0:0:ffff:680:802e
6.128.128.47 0:0:0:0:0:ffff:680:802f
6.128.128.48 0:0:0:0:0:ffff:680:8030
6.128.128.49 0:0:0:0:0:ffff:680:8031
6.128.128.50 0:0:0:0:0:ffff:680:8032
6.128.128.51 0:0:0:0:0:ffff:680:8033
6.128.128.52 0:0:0:0:0:ffff:680:8034
6.128.128.53 0:0:0:0:0:ffff:680:8035
6.128.128.54 0:0:0:0:0:ffff:680:8036
6.128.128.55 0:0:0:0:0:ffff:680:8037
6.128.128.56 0:0:0:0:0:ffff:680:8038
6.128.128.57 0:0:0:0:0:ffff:680:8039
6.128.128.58 0:0:0:0:0:ffff:680:803a
6.128.128.59 0:0:0:0:0:ffff:680:803b
6.128.128.60 0:0:0:0:0:ffff:680:803c


6.128.128.61 0:0:0:0:0:ffff:680:803d
6.128.128.62 0:0:0:0:0:ffff:680:803e
6.128.128.63 0:0:0:0:0:ffff:680:803f
6.128.128.64 0:0:0:0:0:ffff:680:8040
6.128.128.65 0:0:0:0:0:ffff:680:8041
6.128.128.66 0:0:0:0:0:ffff:680:8042
6.128.128.67 0:0:0:0:0:ffff:680:8043
6.128.128.68 0:0:0:0:0:ffff:680:8044
6.128.128.69 0:0:0:0:0:ffff:680:8045
6.128.128.70 0:0:0:0:0:ffff:680:8046
6.128.128.71 0:0:0:0:0:ffff:680:8047
6.128.128.72 0:0:0:0:0:ffff:680:8048
6.128.128.73 0:0:0:0:0:ffff:680:8049
6.128.128.74 0:0:0:0:0:ffff:680:804a
6.128.128.75 0:0:0:0:0:ffff:680:804b
6.128.128.76 0:0:0:0:0:ffff:680:804c
6.128.128.77 0:0:0:0:0:ffff:680:804d
6.128.128.78 0:0:0:0:0:ffff:680:804e
6.128.128.79 0:0:0:0:0:ffff:680:804f
6.128.128.80 0:0:0:0:0:ffff:680:8050
6.128.128.81 0:0:0:0:0:ffff:680:8051
6.128.128.82 0:0:0:0:0:ffff:680:8052
6.128.128.83 0:0:0:0:0:ffff:680:8053
6.128.128.84 0:0:0:0:0:ffff:680:8054
6.128.128.85 0:0:0:0:0:ffff:680:8055
6.128.128.86 0:0:0:0:0:ffff:680:8056
6.128.128.87 0:0:0:0:0:ffff:680:8057
6.128.128.88 0:0:0:0:0:ffff:680:8058
6.128.128.89 0:0:0:0:0:ffff:680:8059
6.128.128.90 0:0:0:0:0:ffff:680:805a
6.128.128.91 0:0:0:0:0:ffff:680:805b
6.128.128.92 0:0:0:0:0:ffff:680:805c
6.128.128.93 0:0:0:0:0:ffff:680:805d
6.128.128.94 0:0:0:0:0:ffff:680:805e
6.128.128.95 0:0:0:0:0:ffff:680:805f
6.128.128.96 0:0:0:0:0:ffff:680:8060
6.128.128.97 0:0:0:0:0:ffff:680:8061
6.128.128.98 0:0:0:0:0:ffff:680:8062
6.128.128.99 0:0:0:0:0:ffff:680:8063
6.128.128.100 0:0:0:0:0:ffff:680:8064
6.128.128.101 0:0:0:0:0:ffff:680:8065
6.128.128.102 0:0:0:0:0:ffff:680:8066
6.128.128.103 0:0:0:0:0:ffff:680:8067
6.128.128.104 0:0:0:0:0:ffff:680:8068
6.128.128.105 0:0:0:0:0:ffff:680:8069
6.128.128.106 0:0:0:0:0:ffff:680:806a
6.128.128.107 0:0:0:0:0:ffff:680:806b
6.128.128.108 0:0:0:0:0:ffff:680:806c
6.128.128.109 0:0:0:0:0:ffff:680:806d
6.128.128.110 0:0:0:0:0:ffff:680:806e
6.128.128.111 0:0:0:0:0:ffff:680:806f
6.128.128.112 0:0:0:0:0:ffff:680:8070
6.128.128.113 0:0:0:0:0:ffff:680:8071
6.128.128.114 0:0:0:0:0:ffff:680:8072
6.128.128.115 0:0:0:0:0:ffff:680:8073
6.128.128.116 0:0:0:0:0:ffff:680:8074
6.128.128.117 0:0:0:0:0:ffff:680:8075
6.128.128.118 0:0:0:0:0:ffff:680:8076
6.128.128.119 0:0:0:0:0:ffff:680:8077
6.128.128.120 0:0:0:0:0:ffff:680:8078


6.128.128.121 0:0:0:0:0:ffff:680:8079
6.128.128.122 0:0:0:0:0:ffff:680:807a
6.128.128.123 0:0:0:0:0:ffff:680:807b
6.128.128.124 0:0:0:0:0:ffff:680:807c
6.128.128.125 0:0:0:0:0:ffff:680:807d
6.128.128.126 0:0:0:0:0:ffff:680:807e
6.128.128.127 0:0:0:0:0:ffff:680:807f
6.128.128.128 0:0:0:0:0:ffff:680:8080
6.128.128.129 0:0:0:0:0:ffff:680:8081
6.128.128.130 0:0:0:0:0:ffff:680:8082
6.128.128.131 0:0:0:0:0:ffff:680:8083
6.128.128.132 0:0:0:0:0:ffff:680:8084
6.128.128.133 0:0:0:0:0:ffff:680:8085
6.128.128.134 0:0:0:0:0:ffff:680:8086
6.128.128.135 0:0:0:0:0:ffff:680:8087
6.128.128.136 0:0:0:0:0:ffff:680:8088
6.128.128.137 0:0:0:0:0:ffff:680:8089
6.128.128.138 0:0:0:0:0:ffff:680:808a
6.128.128.139 0:0:0:0:0:ffff:680:808b
6.128.128.140 0:0:0:0:0:ffff:680:808c
6.128.128.141 0:0:0:0:0:ffff:680:808d
6.128.128.142 0:0:0:0:0:ffff:680:808e
6.128.128.143 0:0:0:0:0:ffff:680:808f
6.128.128.144 0:0:0:0:0:ffff:680:8090
6.128.128.145 0:0:0:0:0:ffff:680:8091
6.128.128.146 0:0:0:0:0:ffff:680:8092
6.128.128.147 0:0:0:0:0:ffff:680:8093
6.128.128.148 0:0:0:0:0:ffff:680:8094
6.128.128.149 0:0:0:0:0:ffff:680:8095
6.128.128.150 0:0:0:0:0:ffff:680:8096
6.128.128.151 0:0:0:0:0:ffff:680:8097
6.128.128.152 0:0:0:0:0:ffff:680:8098
6.128.128.153 0:0:0:0:0:ffff:680:8099
6.128.128.154 0:0:0:0:0:ffff:680:809a
6.128.128.155 0:0:0:0:0:ffff:680:809b
6.128.128.156 0:0:0:0:0:ffff:680:809c
6.128.128.157 0:0:0:0:0:ffff:680:809d
6.128.128.158 0:0:0:0:0:ffff:680:809e
6.128.128.159 0:0:0:0:0:ffff:680:809f
6.128.128.160 0:0:0:0:0:ffff:680:80a0
6.128.128.161 0:0:0:0:0:ffff:680:80a1
6.128.128.162 0:0:0:0:0:ffff:680:80a2
6.128.128.163 0:0:0:0:0:ffff:680:80a3
6.128.128.164 0:0:0:0:0:ffff:680:80a4
6.128.128.165 0:0:0:0:0:ffff:680:80a5
6.128.128.166 0:0:0:0:0:ffff:680:80a6
6.128.128.167 0:0:0:0:0:ffff:680:80a7
6.128.128.168 0:0:0:0:0:ffff:680:80a8
6.128.128.169 0:0:0:0:0:ffff:680:80a9
6.128.128.170 0:0:0:0:0:ffff:680:80aa
6.128.128.171 0:0:0:0:0:ffff:680:80ab
6.128.128.172 0:0:0:0:0:ffff:680:80ac
6.128.128.173 0:0:0:0:0:ffff:680:80ad
6.128.128.174 0:0:0:0:0:ffff:680:80ae
6.128.128.175 0:0:0:0:0:ffff:680:80af
6.128.128.176 0:0:0:0:0:ffff:680:80b0
6.128.128.177 0:0:0:0:0:ffff:680:80b1
6.128.128.178 0:0:0:0:0:ffff:680:80b2
6.128.128.179 0:0:0:0:0:ffff:680:80b3
6.128.128.180 0:0:0:0:0:ffff:680:80b4


6.128.128.181 0:0:0:0:0:ffff:680:80b5
6.128.128.182 0:0:0:0:0:ffff:680:80b6
6.128.128.183 0:0:0:0:0:ffff:680:80b7
6.128.128.184 0:0:0:0:0:ffff:680:80b8
6.128.128.185 0:0:0:0:0:ffff:680:80b9
6.128.128.186 0:0:0:0:0:ffff:680:80ba
6.128.128.187 0:0:0:0:0:ffff:680:80bb
6.128.128.188 0:0:0:0:0:ffff:680:80bc
6.128.128.189 0:0:0:0:0:ffff:680:80bd
6.128.128.190 0:0:0:0:0:ffff:680:80be
6.128.128.191 0:0:0:0:0:ffff:680:80bf
6.128.128.192 0:0:0:0:0:ffff:680:80c0
6.128.128.193 0:0:0:0:0:ffff:680:80c1
6.128.128.194 0:0:0:0:0:ffff:680:80c2
6.128.128.195 0:0:0:0:0:ffff:680:80c3
6.128.128.196 0:0:0:0:0:ffff:680:80c4
6.128.128.197 0:0:0:0:0:ffff:680:80c5
6.128.128.198 0:0:0:0:0:ffff:680:80c6
6.128.128.199 0:0:0:0:0:ffff:680:80c7
6.128.128.200 0:0:0:0:0:ffff:680:80c8
6.128.128.201 0:0:0:0:0:ffff:680:80c9
6.128.128.202 0:0:0:0:0:ffff:680:80ca
6.128.128.203 0:0:0:0:0:ffff:680:80cb
6.128.128.204 0:0:0:0:0:ffff:680:80cc
6.128.128.205 0:0:0:0:0:ffff:680:80cd
6.128.128.206 0:0:0:0:0:ffff:680:80ce
6.128.128.207 0:0:0:0:0:ffff:680:80cf
6.128.128.208 0:0:0:0:0:ffff:680:80d0
6.128.128.209 0:0:0:0:0:ffff:680:80d1
6.128.128.210 0:0:0:0:0:ffff:680:80d2
6.128.128.211 0:0:0:0:0:ffff:680:80d3
6.128.128.212 0:0:0:0:0:ffff:680:80d4
6.128.128.213 0:0:0:0:0:ffff:680:80d5
6.128.128.214 0:0:0:0:0:ffff:680:80d6
6.128.128.215 0:0:0:0:0:ffff:680:80d7
6.128.128.216 0:0:0:0:0:ffff:680:80d8
6.128.128.217 0:0:0:0:0:ffff:680:80d9
6.128.128.218 0:0:0:0:0:ffff:680:80da
6.128.128.219 0:0:0:0:0:ffff:680:80db
6.128.128.220 0:0:0:0:0:ffff:680:80dc
6.128.128.221 0:0:0:0:0:ffff:680:80dd
6.128.128.222 0:0:0:0:0:ffff:680:80de
6.128.128.223 0:0:0:0:0:ffff:680:80df
6.128.128.224 0:0:0:0:0:ffff:680:80e0
6.128.128.225 0:0:0:0:0:ffff:680:80e1
6.128.128.226 0:0:0:0:0:ffff:680:80e2
6.128.128.227 0:0:0:0:0:ffff:680:80e3
6.128.128.228 0:0:0:0:0:ffff:680:80e4
6.128.128.229 0:0:0:0:0:ffff:680:80e5
6.128.128.230 0:0:0:0:0:ffff:680:80e6
6.128.128.231 0:0:0:0:0:ffff:680:80e7
6.128.128.232 0:0:0:0:0:ffff:680:80e8
6.128.128.233 0:0:0:0:0:ffff:680:80e9
6.128.128.234 0:0:0:0:0:ffff:680:80ea
6.128.128.235 0:0:0:0:0:ffff:680:80eb
6.128.128.236 0:0:0:0:0:ffff:680:80ec
6.128.128.237 0:0:0:0:0:ffff:680:80ed
6.128.128.238 0:0:0:0:0:ffff:680:80ee
6.128.128.239 0:0:0:0:0:ffff:680:80ef
6.128.128.240 0:0:0:0:0:ffff:680:80f0
6.128.128.241 0:0:0:0:0:ffff:680:80f1
6.128.128.242 0:0:0:0:0:ffff:680:80f2
6.128.128.243 0:0:0:0:0:ffff:680:80f3
6.128.128.244 0:0:0:0:0:ffff:680:80f4
6.128.128.245 0:0:0:0:0:ffff:680:80f5
6.128.128.246 0:0:0:0:0:ffff:680:80f6
6.128.128.247 0:0:0:0:0:ffff:680:80f7
6.128.128.248 0:0:0:0:0:ffff:680:80f8
6.128.128.249 0:0:0:0:0:ffff:680:80f9
6.128.128.250 0:0:0:0:0:ffff:680:80fa
6.128.128.251 0:0:0:0:0:ffff:680:80fb
6.128.128.252 0:0:0:0:0:ffff:680:80fc
6.128.128.253 0:0:0:0:0:ffff:680:80fd
6.128.128.254 0:0:0:0:0:ffff:680:80fe
6.128.128.255 0:0:0:0:0:ffff:680:80ff


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.