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
2.185.128.1 0:0:0:0:0:ffff:2b9:8001
2.185.128.2 0:0:0:0:0:ffff:2b9:8002
2.185.128.3 0:0:0:0:0:ffff:2b9:8003
2.185.128.4 0:0:0:0:0:ffff:2b9:8004
2.185.128.5 0:0:0:0:0:ffff:2b9:8005
2.185.128.6 0:0:0:0:0:ffff:2b9:8006
2.185.128.7 0:0:0:0:0:ffff:2b9:8007
2.185.128.8 0:0:0:0:0:ffff:2b9:8008
2.185.128.9 0:0:0:0:0:ffff:2b9:8009
2.185.128.10 0:0:0:0:0:ffff:2b9:800a
2.185.128.11 0:0:0:0:0:ffff:2b9:800b
2.185.128.12 0:0:0:0:0:ffff:2b9:800c
2.185.128.13 0:0:0:0:0:ffff:2b9:800d
2.185.128.14 0:0:0:0:0:ffff:2b9:800e
2.185.128.15 0:0:0:0:0:ffff:2b9:800f
2.185.128.16 0:0:0:0:0:ffff:2b9:8010
2.185.128.17 0:0:0:0:0:ffff:2b9:8011
2.185.128.18 0:0:0:0:0:ffff:2b9:8012
2.185.128.19 0:0:0:0:0:ffff:2b9:8013
2.185.128.20 0:0:0:0:0:ffff:2b9:8014
2.185.128.21 0:0:0:0:0:ffff:2b9:8015
2.185.128.22 0:0:0:0:0:ffff:2b9:8016
2.185.128.23 0:0:0:0:0:ffff:2b9:8017
2.185.128.24 0:0:0:0:0:ffff:2b9:8018
2.185.128.25 0:0:0:0:0:ffff:2b9:8019
2.185.128.26 0:0:0:0:0:ffff:2b9:801a
2.185.128.27 0:0:0:0:0:ffff:2b9:801b
2.185.128.28 0:0:0:0:0:ffff:2b9:801c
2.185.128.29 0:0:0:0:0:ffff:2b9:801d
2.185.128.30 0:0:0:0:0:ffff:2b9:801e
2.185.128.31 0:0:0:0:0:ffff:2b9:801f
2.185.128.32 0:0:0:0:0:ffff:2b9:8020
2.185.128.33 0:0:0:0:0:ffff:2b9:8021
2.185.128.34 0:0:0:0:0:ffff:2b9:8022
2.185.128.35 0:0:0:0:0:ffff:2b9:8023
2.185.128.36 0:0:0:0:0:ffff:2b9:8024
2.185.128.37 0:0:0:0:0:ffff:2b9:8025
2.185.128.38 0:0:0:0:0:ffff:2b9:8026
2.185.128.39 0:0:0:0:0:ffff:2b9:8027
2.185.128.40 0:0:0:0:0:ffff:2b9:8028
2.185.128.41 0:0:0:0:0:ffff:2b9:8029
2.185.128.42 0:0:0:0:0:ffff:2b9:802a
2.185.128.43 0:0:0:0:0:ffff:2b9:802b
2.185.128.44 0:0:0:0:0:ffff:2b9:802c
2.185.128.45 0:0:0:0:0:ffff:2b9:802d
2.185.128.46 0:0:0:0:0:ffff:2b9:802e
2.185.128.47 0:0:0:0:0:ffff:2b9:802f
2.185.128.48 0:0:0:0:0:ffff:2b9:8030
2.185.128.49 0:0:0:0:0:ffff:2b9:8031
2.185.128.50 0:0:0:0:0:ffff:2b9:8032
2.185.128.51 0:0:0:0:0:ffff:2b9:8033
2.185.128.52 0:0:0:0:0:ffff:2b9:8034
2.185.128.53 0:0:0:0:0:ffff:2b9:8035
2.185.128.54 0:0:0:0:0:ffff:2b9:8036
2.185.128.55 0:0:0:0:0:ffff:2b9:8037
2.185.128.56 0:0:0:0:0:ffff:2b9:8038
2.185.128.57 0:0:0:0:0:ffff:2b9:8039
2.185.128.58 0:0:0:0:0:ffff:2b9:803a
2.185.128.59 0:0:0:0:0:ffff:2b9:803b
2.185.128.60 0:0:0:0:0:ffff:2b9:803c


2.185.128.61 0:0:0:0:0:ffff:2b9:803d
2.185.128.62 0:0:0:0:0:ffff:2b9:803e
2.185.128.63 0:0:0:0:0:ffff:2b9:803f
2.185.128.64 0:0:0:0:0:ffff:2b9:8040
2.185.128.65 0:0:0:0:0:ffff:2b9:8041
2.185.128.66 0:0:0:0:0:ffff:2b9:8042
2.185.128.67 0:0:0:0:0:ffff:2b9:8043
2.185.128.68 0:0:0:0:0:ffff:2b9:8044
2.185.128.69 0:0:0:0:0:ffff:2b9:8045
2.185.128.70 0:0:0:0:0:ffff:2b9:8046
2.185.128.71 0:0:0:0:0:ffff:2b9:8047
2.185.128.72 0:0:0:0:0:ffff:2b9:8048
2.185.128.73 0:0:0:0:0:ffff:2b9:8049
2.185.128.74 0:0:0:0:0:ffff:2b9:804a
2.185.128.75 0:0:0:0:0:ffff:2b9:804b
2.185.128.76 0:0:0:0:0:ffff:2b9:804c
2.185.128.77 0:0:0:0:0:ffff:2b9:804d
2.185.128.78 0:0:0:0:0:ffff:2b9:804e
2.185.128.79 0:0:0:0:0:ffff:2b9:804f
2.185.128.80 0:0:0:0:0:ffff:2b9:8050
2.185.128.81 0:0:0:0:0:ffff:2b9:8051
2.185.128.82 0:0:0:0:0:ffff:2b9:8052
2.185.128.83 0:0:0:0:0:ffff:2b9:8053
2.185.128.84 0:0:0:0:0:ffff:2b9:8054
2.185.128.85 0:0:0:0:0:ffff:2b9:8055
2.185.128.86 0:0:0:0:0:ffff:2b9:8056
2.185.128.87 0:0:0:0:0:ffff:2b9:8057
2.185.128.88 0:0:0:0:0:ffff:2b9:8058
2.185.128.89 0:0:0:0:0:ffff:2b9:8059
2.185.128.90 0:0:0:0:0:ffff:2b9:805a
2.185.128.91 0:0:0:0:0:ffff:2b9:805b
2.185.128.92 0:0:0:0:0:ffff:2b9:805c
2.185.128.93 0:0:0:0:0:ffff:2b9:805d
2.185.128.94 0:0:0:0:0:ffff:2b9:805e
2.185.128.95 0:0:0:0:0:ffff:2b9:805f
2.185.128.96 0:0:0:0:0:ffff:2b9:8060
2.185.128.97 0:0:0:0:0:ffff:2b9:8061
2.185.128.98 0:0:0:0:0:ffff:2b9:8062
2.185.128.99 0:0:0:0:0:ffff:2b9:8063
2.185.128.100 0:0:0:0:0:ffff:2b9:8064
2.185.128.101 0:0:0:0:0:ffff:2b9:8065
2.185.128.102 0:0:0:0:0:ffff:2b9:8066
2.185.128.103 0:0:0:0:0:ffff:2b9:8067
2.185.128.104 0:0:0:0:0:ffff:2b9:8068
2.185.128.105 0:0:0:0:0:ffff:2b9:8069
2.185.128.106 0:0:0:0:0:ffff:2b9:806a
2.185.128.107 0:0:0:0:0:ffff:2b9:806b
2.185.128.108 0:0:0:0:0:ffff:2b9:806c
2.185.128.109 0:0:0:0:0:ffff:2b9:806d
2.185.128.110 0:0:0:0:0:ffff:2b9:806e
2.185.128.111 0:0:0:0:0:ffff:2b9:806f
2.185.128.112 0:0:0:0:0:ffff:2b9:8070
2.185.128.113 0:0:0:0:0:ffff:2b9:8071
2.185.128.114 0:0:0:0:0:ffff:2b9:8072
2.185.128.115 0:0:0:0:0:ffff:2b9:8073
2.185.128.116 0:0:0:0:0:ffff:2b9:8074
2.185.128.117 0:0:0:0:0:ffff:2b9:8075
2.185.128.118 0:0:0:0:0:ffff:2b9:8076
2.185.128.119 0:0:0:0:0:ffff:2b9:8077
2.185.128.120 0:0:0:0:0:ffff:2b9:8078


2.185.128.121 0:0:0:0:0:ffff:2b9:8079
2.185.128.122 0:0:0:0:0:ffff:2b9:807a
2.185.128.123 0:0:0:0:0:ffff:2b9:807b
2.185.128.124 0:0:0:0:0:ffff:2b9:807c
2.185.128.125 0:0:0:0:0:ffff:2b9:807d
2.185.128.126 0:0:0:0:0:ffff:2b9:807e
2.185.128.127 0:0:0:0:0:ffff:2b9:807f
2.185.128.128 0:0:0:0:0:ffff:2b9:8080
2.185.128.129 0:0:0:0:0:ffff:2b9:8081
2.185.128.130 0:0:0:0:0:ffff:2b9:8082
2.185.128.131 0:0:0:0:0:ffff:2b9:8083
2.185.128.132 0:0:0:0:0:ffff:2b9:8084
2.185.128.133 0:0:0:0:0:ffff:2b9:8085
2.185.128.134 0:0:0:0:0:ffff:2b9:8086
2.185.128.135 0:0:0:0:0:ffff:2b9:8087
2.185.128.136 0:0:0:0:0:ffff:2b9:8088
2.185.128.137 0:0:0:0:0:ffff:2b9:8089
2.185.128.138 0:0:0:0:0:ffff:2b9:808a
2.185.128.139 0:0:0:0:0:ffff:2b9:808b
2.185.128.140 0:0:0:0:0:ffff:2b9:808c
2.185.128.141 0:0:0:0:0:ffff:2b9:808d
2.185.128.142 0:0:0:0:0:ffff:2b9:808e
2.185.128.143 0:0:0:0:0:ffff:2b9:808f
2.185.128.144 0:0:0:0:0:ffff:2b9:8090
2.185.128.145 0:0:0:0:0:ffff:2b9:8091
2.185.128.146 0:0:0:0:0:ffff:2b9:8092
2.185.128.147 0:0:0:0:0:ffff:2b9:8093
2.185.128.148 0:0:0:0:0:ffff:2b9:8094
2.185.128.149 0:0:0:0:0:ffff:2b9:8095
2.185.128.150 0:0:0:0:0:ffff:2b9:8096
2.185.128.151 0:0:0:0:0:ffff:2b9:8097
2.185.128.152 0:0:0:0:0:ffff:2b9:8098
2.185.128.153 0:0:0:0:0:ffff:2b9:8099
2.185.128.154 0:0:0:0:0:ffff:2b9:809a
2.185.128.155 0:0:0:0:0:ffff:2b9:809b
2.185.128.156 0:0:0:0:0:ffff:2b9:809c
2.185.128.157 0:0:0:0:0:ffff:2b9:809d
2.185.128.158 0:0:0:0:0:ffff:2b9:809e
2.185.128.159 0:0:0:0:0:ffff:2b9:809f
2.185.128.160 0:0:0:0:0:ffff:2b9:80a0
2.185.128.161 0:0:0:0:0:ffff:2b9:80a1
2.185.128.162 0:0:0:0:0:ffff:2b9:80a2
2.185.128.163 0:0:0:0:0:ffff:2b9:80a3
2.185.128.164 0:0:0:0:0:ffff:2b9:80a4
2.185.128.165 0:0:0:0:0:ffff:2b9:80a5
2.185.128.166 0:0:0:0:0:ffff:2b9:80a6
2.185.128.167 0:0:0:0:0:ffff:2b9:80a7
2.185.128.168 0:0:0:0:0:ffff:2b9:80a8
2.185.128.169 0:0:0:0:0:ffff:2b9:80a9
2.185.128.170 0:0:0:0:0:ffff:2b9:80aa
2.185.128.171 0:0:0:0:0:ffff:2b9:80ab
2.185.128.172 0:0:0:0:0:ffff:2b9:80ac
2.185.128.173 0:0:0:0:0:ffff:2b9:80ad
2.185.128.174 0:0:0:0:0:ffff:2b9:80ae
2.185.128.175 0:0:0:0:0:ffff:2b9:80af
2.185.128.176 0:0:0:0:0:ffff:2b9:80b0
2.185.128.177 0:0:0:0:0:ffff:2b9:80b1
2.185.128.178 0:0:0:0:0:ffff:2b9:80b2
2.185.128.179 0:0:0:0:0:ffff:2b9:80b3
2.185.128.180 0:0:0:0:0:ffff:2b9:80b4


2.185.128.181 0:0:0:0:0:ffff:2b9:80b5
2.185.128.182 0:0:0:0:0:ffff:2b9:80b6
2.185.128.183 0:0:0:0:0:ffff:2b9:80b7
2.185.128.184 0:0:0:0:0:ffff:2b9:80b8
2.185.128.185 0:0:0:0:0:ffff:2b9:80b9
2.185.128.186 0:0:0:0:0:ffff:2b9:80ba
2.185.128.187 0:0:0:0:0:ffff:2b9:80bb
2.185.128.188 0:0:0:0:0:ffff:2b9:80bc
2.185.128.189 0:0:0:0:0:ffff:2b9:80bd
2.185.128.190 0:0:0:0:0:ffff:2b9:80be
2.185.128.191 0:0:0:0:0:ffff:2b9:80bf
2.185.128.192 0:0:0:0:0:ffff:2b9:80c0
2.185.128.193 0:0:0:0:0:ffff:2b9:80c1
2.185.128.194 0:0:0:0:0:ffff:2b9:80c2
2.185.128.195 0:0:0:0:0:ffff:2b9:80c3
2.185.128.196 0:0:0:0:0:ffff:2b9:80c4
2.185.128.197 0:0:0:0:0:ffff:2b9:80c5
2.185.128.198 0:0:0:0:0:ffff:2b9:80c6
2.185.128.199 0:0:0:0:0:ffff:2b9:80c7
2.185.128.200 0:0:0:0:0:ffff:2b9:80c8
2.185.128.201 0:0:0:0:0:ffff:2b9:80c9
2.185.128.202 0:0:0:0:0:ffff:2b9:80ca
2.185.128.203 0:0:0:0:0:ffff:2b9:80cb
2.185.128.204 0:0:0:0:0:ffff:2b9:80cc
2.185.128.205 0:0:0:0:0:ffff:2b9:80cd
2.185.128.206 0:0:0:0:0:ffff:2b9:80ce
2.185.128.207 0:0:0:0:0:ffff:2b9:80cf
2.185.128.208 0:0:0:0:0:ffff:2b9:80d0
2.185.128.209 0:0:0:0:0:ffff:2b9:80d1
2.185.128.210 0:0:0:0:0:ffff:2b9:80d2
2.185.128.211 0:0:0:0:0:ffff:2b9:80d3
2.185.128.212 0:0:0:0:0:ffff:2b9:80d4
2.185.128.213 0:0:0:0:0:ffff:2b9:80d5
2.185.128.214 0:0:0:0:0:ffff:2b9:80d6
2.185.128.215 0:0:0:0:0:ffff:2b9:80d7
2.185.128.216 0:0:0:0:0:ffff:2b9:80d8
2.185.128.217 0:0:0:0:0:ffff:2b9:80d9
2.185.128.218 0:0:0:0:0:ffff:2b9:80da
2.185.128.219 0:0:0:0:0:ffff:2b9:80db
2.185.128.220 0:0:0:0:0:ffff:2b9:80dc
2.185.128.221 0:0:0:0:0:ffff:2b9:80dd
2.185.128.222 0:0:0:0:0:ffff:2b9:80de
2.185.128.223 0:0:0:0:0:ffff:2b9:80df
2.185.128.224 0:0:0:0:0:ffff:2b9:80e0
2.185.128.225 0:0:0:0:0:ffff:2b9:80e1
2.185.128.226 0:0:0:0:0:ffff:2b9:80e2
2.185.128.227 0:0:0:0:0:ffff:2b9:80e3
2.185.128.228 0:0:0:0:0:ffff:2b9:80e4
2.185.128.229 0:0:0:0:0:ffff:2b9:80e5
2.185.128.230 0:0:0:0:0:ffff:2b9:80e6
2.185.128.231 0:0:0:0:0:ffff:2b9:80e7
2.185.128.232 0:0:0:0:0:ffff:2b9:80e8
2.185.128.233 0:0:0:0:0:ffff:2b9:80e9
2.185.128.234 0:0:0:0:0:ffff:2b9:80ea
2.185.128.235 0:0:0:0:0:ffff:2b9:80eb
2.185.128.236 0:0:0:0:0:ffff:2b9:80ec
2.185.128.237 0:0:0:0:0:ffff:2b9:80ed
2.185.128.238 0:0:0:0:0:ffff:2b9:80ee
2.185.128.239 0:0:0:0:0:ffff:2b9:80ef
2.185.128.240 0:0:0:0:0:ffff:2b9:80f0
2.185.128.241 0:0:0:0:0:ffff:2b9:80f1
2.185.128.242 0:0:0:0:0:ffff:2b9:80f2
2.185.128.243 0:0:0:0:0:ffff:2b9:80f3
2.185.128.244 0:0:0:0:0:ffff:2b9:80f4
2.185.128.245 0:0:0:0:0:ffff:2b9:80f5
2.185.128.246 0:0:0:0:0:ffff:2b9:80f6
2.185.128.247 0:0:0:0:0:ffff:2b9:80f7
2.185.128.248 0:0:0:0:0:ffff:2b9:80f8
2.185.128.249 0:0:0:0:0:ffff:2b9:80f9
2.185.128.250 0:0:0:0:0:ffff:2b9:80fa
2.185.128.251 0:0:0:0:0:ffff:2b9:80fb
2.185.128.252 0:0:0:0:0:ffff:2b9:80fc
2.185.128.253 0:0:0:0:0:ffff:2b9:80fd
2.185.128.254 0:0:0:0:0:ffff:2b9:80fe
2.185.128.255 0:0:0:0:0:ffff:2b9:80ff


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.