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
66.88.222.1 0:0:0:0:0:ffff:4258:de01
66.88.222.2 0:0:0:0:0:ffff:4258:de02
66.88.222.3 0:0:0:0:0:ffff:4258:de03
66.88.222.4 0:0:0:0:0:ffff:4258:de04
66.88.222.5 0:0:0:0:0:ffff:4258:de05
66.88.222.6 0:0:0:0:0:ffff:4258:de06
66.88.222.7 0:0:0:0:0:ffff:4258:de07
66.88.222.8 0:0:0:0:0:ffff:4258:de08
66.88.222.9 0:0:0:0:0:ffff:4258:de09
66.88.222.10 0:0:0:0:0:ffff:4258:de0a
66.88.222.11 0:0:0:0:0:ffff:4258:de0b
66.88.222.12 0:0:0:0:0:ffff:4258:de0c
66.88.222.13 0:0:0:0:0:ffff:4258:de0d
66.88.222.14 0:0:0:0:0:ffff:4258:de0e
66.88.222.15 0:0:0:0:0:ffff:4258:de0f
66.88.222.16 0:0:0:0:0:ffff:4258:de10
66.88.222.17 0:0:0:0:0:ffff:4258:de11
66.88.222.18 0:0:0:0:0:ffff:4258:de12
66.88.222.19 0:0:0:0:0:ffff:4258:de13
66.88.222.20 0:0:0:0:0:ffff:4258:de14
66.88.222.21 0:0:0:0:0:ffff:4258:de15
66.88.222.22 0:0:0:0:0:ffff:4258:de16
66.88.222.23 0:0:0:0:0:ffff:4258:de17
66.88.222.24 0:0:0:0:0:ffff:4258:de18
66.88.222.25 0:0:0:0:0:ffff:4258:de19
66.88.222.26 0:0:0:0:0:ffff:4258:de1a
66.88.222.27 0:0:0:0:0:ffff:4258:de1b
66.88.222.28 0:0:0:0:0:ffff:4258:de1c
66.88.222.29 0:0:0:0:0:ffff:4258:de1d
66.88.222.30 0:0:0:0:0:ffff:4258:de1e
66.88.222.31 0:0:0:0:0:ffff:4258:de1f
66.88.222.32 0:0:0:0:0:ffff:4258:de20
66.88.222.33 0:0:0:0:0:ffff:4258:de21
66.88.222.34 0:0:0:0:0:ffff:4258:de22
66.88.222.35 0:0:0:0:0:ffff:4258:de23
66.88.222.36 0:0:0:0:0:ffff:4258:de24
66.88.222.37 0:0:0:0:0:ffff:4258:de25
66.88.222.38 0:0:0:0:0:ffff:4258:de26
66.88.222.39 0:0:0:0:0:ffff:4258:de27
66.88.222.40 0:0:0:0:0:ffff:4258:de28
66.88.222.41 0:0:0:0:0:ffff:4258:de29
66.88.222.42 0:0:0:0:0:ffff:4258:de2a
66.88.222.43 0:0:0:0:0:ffff:4258:de2b
66.88.222.44 0:0:0:0:0:ffff:4258:de2c
66.88.222.45 0:0:0:0:0:ffff:4258:de2d
66.88.222.46 0:0:0:0:0:ffff:4258:de2e
66.88.222.47 0:0:0:0:0:ffff:4258:de2f
66.88.222.48 0:0:0:0:0:ffff:4258:de30
66.88.222.49 0:0:0:0:0:ffff:4258:de31
66.88.222.50 0:0:0:0:0:ffff:4258:de32
66.88.222.51 0:0:0:0:0:ffff:4258:de33
66.88.222.52 0:0:0:0:0:ffff:4258:de34
66.88.222.53 0:0:0:0:0:ffff:4258:de35
66.88.222.54 0:0:0:0:0:ffff:4258:de36
66.88.222.55 0:0:0:0:0:ffff:4258:de37
66.88.222.56 0:0:0:0:0:ffff:4258:de38
66.88.222.57 0:0:0:0:0:ffff:4258:de39
66.88.222.58 0:0:0:0:0:ffff:4258:de3a
66.88.222.59 0:0:0:0:0:ffff:4258:de3b
66.88.222.60 0:0:0:0:0:ffff:4258:de3c


66.88.222.61 0:0:0:0:0:ffff:4258:de3d
66.88.222.62 0:0:0:0:0:ffff:4258:de3e
66.88.222.63 0:0:0:0:0:ffff:4258:de3f
66.88.222.64 0:0:0:0:0:ffff:4258:de40
66.88.222.65 0:0:0:0:0:ffff:4258:de41
66.88.222.66 0:0:0:0:0:ffff:4258:de42
66.88.222.67 0:0:0:0:0:ffff:4258:de43
66.88.222.68 0:0:0:0:0:ffff:4258:de44
66.88.222.69 0:0:0:0:0:ffff:4258:de45
66.88.222.70 0:0:0:0:0:ffff:4258:de46
66.88.222.71 0:0:0:0:0:ffff:4258:de47
66.88.222.72 0:0:0:0:0:ffff:4258:de48
66.88.222.73 0:0:0:0:0:ffff:4258:de49
66.88.222.74 0:0:0:0:0:ffff:4258:de4a
66.88.222.75 0:0:0:0:0:ffff:4258:de4b
66.88.222.76 0:0:0:0:0:ffff:4258:de4c
66.88.222.77 0:0:0:0:0:ffff:4258:de4d
66.88.222.78 0:0:0:0:0:ffff:4258:de4e
66.88.222.79 0:0:0:0:0:ffff:4258:de4f
66.88.222.80 0:0:0:0:0:ffff:4258:de50
66.88.222.81 0:0:0:0:0:ffff:4258:de51
66.88.222.82 0:0:0:0:0:ffff:4258:de52
66.88.222.83 0:0:0:0:0:ffff:4258:de53
66.88.222.84 0:0:0:0:0:ffff:4258:de54
66.88.222.85 0:0:0:0:0:ffff:4258:de55
66.88.222.86 0:0:0:0:0:ffff:4258:de56
66.88.222.87 0:0:0:0:0:ffff:4258:de57
66.88.222.88 0:0:0:0:0:ffff:4258:de58
66.88.222.89 0:0:0:0:0:ffff:4258:de59
66.88.222.90 0:0:0:0:0:ffff:4258:de5a
66.88.222.91 0:0:0:0:0:ffff:4258:de5b
66.88.222.92 0:0:0:0:0:ffff:4258:de5c
66.88.222.93 0:0:0:0:0:ffff:4258:de5d
66.88.222.94 0:0:0:0:0:ffff:4258:de5e
66.88.222.95 0:0:0:0:0:ffff:4258:de5f
66.88.222.96 0:0:0:0:0:ffff:4258:de60
66.88.222.97 0:0:0:0:0:ffff:4258:de61
66.88.222.98 0:0:0:0:0:ffff:4258:de62
66.88.222.99 0:0:0:0:0:ffff:4258:de63
66.88.222.100 0:0:0:0:0:ffff:4258:de64
66.88.222.101 0:0:0:0:0:ffff:4258:de65
66.88.222.102 0:0:0:0:0:ffff:4258:de66
66.88.222.103 0:0:0:0:0:ffff:4258:de67
66.88.222.104 0:0:0:0:0:ffff:4258:de68
66.88.222.105 0:0:0:0:0:ffff:4258:de69
66.88.222.106 0:0:0:0:0:ffff:4258:de6a
66.88.222.107 0:0:0:0:0:ffff:4258:de6b
66.88.222.108 0:0:0:0:0:ffff:4258:de6c
66.88.222.109 0:0:0:0:0:ffff:4258:de6d
66.88.222.110 0:0:0:0:0:ffff:4258:de6e
66.88.222.111 0:0:0:0:0:ffff:4258:de6f
66.88.222.112 0:0:0:0:0:ffff:4258:de70
66.88.222.113 0:0:0:0:0:ffff:4258:de71
66.88.222.114 0:0:0:0:0:ffff:4258:de72
66.88.222.115 0:0:0:0:0:ffff:4258:de73
66.88.222.116 0:0:0:0:0:ffff:4258:de74
66.88.222.117 0:0:0:0:0:ffff:4258:de75
66.88.222.118 0:0:0:0:0:ffff:4258:de76
66.88.222.119 0:0:0:0:0:ffff:4258:de77
66.88.222.120 0:0:0:0:0:ffff:4258:de78


66.88.222.121 0:0:0:0:0:ffff:4258:de79
66.88.222.122 0:0:0:0:0:ffff:4258:de7a
66.88.222.123 0:0:0:0:0:ffff:4258:de7b
66.88.222.124 0:0:0:0:0:ffff:4258:de7c
66.88.222.125 0:0:0:0:0:ffff:4258:de7d
66.88.222.126 0:0:0:0:0:ffff:4258:de7e
66.88.222.127 0:0:0:0:0:ffff:4258:de7f
66.88.222.128 0:0:0:0:0:ffff:4258:de80
66.88.222.129 0:0:0:0:0:ffff:4258:de81
66.88.222.130 0:0:0:0:0:ffff:4258:de82
66.88.222.131 0:0:0:0:0:ffff:4258:de83
66.88.222.132 0:0:0:0:0:ffff:4258:de84
66.88.222.133 0:0:0:0:0:ffff:4258:de85
66.88.222.134 0:0:0:0:0:ffff:4258:de86
66.88.222.135 0:0:0:0:0:ffff:4258:de87
66.88.222.136 0:0:0:0:0:ffff:4258:de88
66.88.222.137 0:0:0:0:0:ffff:4258:de89
66.88.222.138 0:0:0:0:0:ffff:4258:de8a
66.88.222.139 0:0:0:0:0:ffff:4258:de8b
66.88.222.140 0:0:0:0:0:ffff:4258:de8c
66.88.222.141 0:0:0:0:0:ffff:4258:de8d
66.88.222.142 0:0:0:0:0:ffff:4258:de8e
66.88.222.143 0:0:0:0:0:ffff:4258:de8f
66.88.222.144 0:0:0:0:0:ffff:4258:de90
66.88.222.145 0:0:0:0:0:ffff:4258:de91
66.88.222.146 0:0:0:0:0:ffff:4258:de92
66.88.222.147 0:0:0:0:0:ffff:4258:de93
66.88.222.148 0:0:0:0:0:ffff:4258:de94
66.88.222.149 0:0:0:0:0:ffff:4258:de95
66.88.222.150 0:0:0:0:0:ffff:4258:de96
66.88.222.151 0:0:0:0:0:ffff:4258:de97
66.88.222.152 0:0:0:0:0:ffff:4258:de98
66.88.222.153 0:0:0:0:0:ffff:4258:de99
66.88.222.154 0:0:0:0:0:ffff:4258:de9a
66.88.222.155 0:0:0:0:0:ffff:4258:de9b
66.88.222.156 0:0:0:0:0:ffff:4258:de9c
66.88.222.157 0:0:0:0:0:ffff:4258:de9d
66.88.222.158 0:0:0:0:0:ffff:4258:de9e
66.88.222.159 0:0:0:0:0:ffff:4258:de9f
66.88.222.160 0:0:0:0:0:ffff:4258:dea0
66.88.222.161 0:0:0:0:0:ffff:4258:dea1
66.88.222.162 0:0:0:0:0:ffff:4258:dea2
66.88.222.163 0:0:0:0:0:ffff:4258:dea3
66.88.222.164 0:0:0:0:0:ffff:4258:dea4
66.88.222.165 0:0:0:0:0:ffff:4258:dea5
66.88.222.166 0:0:0:0:0:ffff:4258:dea6
66.88.222.167 0:0:0:0:0:ffff:4258:dea7
66.88.222.168 0:0:0:0:0:ffff:4258:dea8
66.88.222.169 0:0:0:0:0:ffff:4258:dea9
66.88.222.170 0:0:0:0:0:ffff:4258:deaa
66.88.222.171 0:0:0:0:0:ffff:4258:deab
66.88.222.172 0:0:0:0:0:ffff:4258:deac
66.88.222.173 0:0:0:0:0:ffff:4258:dead
66.88.222.174 0:0:0:0:0:ffff:4258:deae
66.88.222.175 0:0:0:0:0:ffff:4258:deaf
66.88.222.176 0:0:0:0:0:ffff:4258:deb0
66.88.222.177 0:0:0:0:0:ffff:4258:deb1
66.88.222.178 0:0:0:0:0:ffff:4258:deb2
66.88.222.179 0:0:0:0:0:ffff:4258:deb3
66.88.222.180 0:0:0:0:0:ffff:4258:deb4


66.88.222.181 0:0:0:0:0:ffff:4258:deb5
66.88.222.182 0:0:0:0:0:ffff:4258:deb6
66.88.222.183 0:0:0:0:0:ffff:4258:deb7
66.88.222.184 0:0:0:0:0:ffff:4258:deb8
66.88.222.185 0:0:0:0:0:ffff:4258:deb9
66.88.222.186 0:0:0:0:0:ffff:4258:deba
66.88.222.187 0:0:0:0:0:ffff:4258:debb
66.88.222.188 0:0:0:0:0:ffff:4258:debc
66.88.222.189 0:0:0:0:0:ffff:4258:debd
66.88.222.190 0:0:0:0:0:ffff:4258:debe
66.88.222.191 0:0:0:0:0:ffff:4258:debf
66.88.222.192 0:0:0:0:0:ffff:4258:dec0
66.88.222.193 0:0:0:0:0:ffff:4258:dec1
66.88.222.194 0:0:0:0:0:ffff:4258:dec2
66.88.222.195 0:0:0:0:0:ffff:4258:dec3
66.88.222.196 0:0:0:0:0:ffff:4258:dec4
66.88.222.197 0:0:0:0:0:ffff:4258:dec5
66.88.222.198 0:0:0:0:0:ffff:4258:dec6
66.88.222.199 0:0:0:0:0:ffff:4258:dec7
66.88.222.200 0:0:0:0:0:ffff:4258:dec8
66.88.222.201 0:0:0:0:0:ffff:4258:dec9
66.88.222.202 0:0:0:0:0:ffff:4258:deca
66.88.222.203 0:0:0:0:0:ffff:4258:decb
66.88.222.204 0:0:0:0:0:ffff:4258:decc
66.88.222.205 0:0:0:0:0:ffff:4258:decd
66.88.222.206 0:0:0:0:0:ffff:4258:dece
66.88.222.207 0:0:0:0:0:ffff:4258:decf
66.88.222.208 0:0:0:0:0:ffff:4258:ded0
66.88.222.209 0:0:0:0:0:ffff:4258:ded1
66.88.222.210 0:0:0:0:0:ffff:4258:ded2
66.88.222.211 0:0:0:0:0:ffff:4258:ded3
66.88.222.212 0:0:0:0:0:ffff:4258:ded4
66.88.222.213 0:0:0:0:0:ffff:4258:ded5
66.88.222.214 0:0:0:0:0:ffff:4258:ded6
66.88.222.215 0:0:0:0:0:ffff:4258:ded7
66.88.222.216 0:0:0:0:0:ffff:4258:ded8
66.88.222.217 0:0:0:0:0:ffff:4258:ded9
66.88.222.218 0:0:0:0:0:ffff:4258:deda
66.88.222.219 0:0:0:0:0:ffff:4258:dedb
66.88.222.220 0:0:0:0:0:ffff:4258:dedc
66.88.222.221 0:0:0:0:0:ffff:4258:dedd
66.88.222.222 0:0:0:0:0:ffff:4258:dede
66.88.222.223 0:0:0:0:0:ffff:4258:dedf
66.88.222.224 0:0:0:0:0:ffff:4258:dee0
66.88.222.225 0:0:0:0:0:ffff:4258:dee1
66.88.222.226 0:0:0:0:0:ffff:4258:dee2
66.88.222.227 0:0:0:0:0:ffff:4258:dee3
66.88.222.228 0:0:0:0:0:ffff:4258:dee4
66.88.222.229 0:0:0:0:0:ffff:4258:dee5
66.88.222.230 0:0:0:0:0:ffff:4258:dee6
66.88.222.231 0:0:0:0:0:ffff:4258:dee7
66.88.222.232 0:0:0:0:0:ffff:4258:dee8
66.88.222.233 0:0:0:0:0:ffff:4258:dee9
66.88.222.234 0:0:0:0:0:ffff:4258:deea
66.88.222.235 0:0:0:0:0:ffff:4258:deeb
66.88.222.236 0:0:0:0:0:ffff:4258:deec
66.88.222.237 0:0:0:0:0:ffff:4258:deed
66.88.222.238 0:0:0:0:0:ffff:4258:deee
66.88.222.239 0:0:0:0:0:ffff:4258:deef
66.88.222.240 0:0:0:0:0:ffff:4258:def0
66.88.222.241 0:0:0:0:0:ffff:4258:def1
66.88.222.242 0:0:0:0:0:ffff:4258:def2
66.88.222.243 0:0:0:0:0:ffff:4258:def3
66.88.222.244 0:0:0:0:0:ffff:4258:def4
66.88.222.245 0:0:0:0:0:ffff:4258:def5
66.88.222.246 0:0:0:0:0:ffff:4258:def6
66.88.222.247 0:0:0:0:0:ffff:4258:def7
66.88.222.248 0:0:0:0:0:ffff:4258:def8
66.88.222.249 0:0:0:0:0:ffff:4258:def9
66.88.222.250 0:0:0:0:0:ffff:4258:defa
66.88.222.251 0:0:0:0:0:ffff:4258:defb
66.88.222.252 0:0:0:0:0:ffff:4258:defc
66.88.222.253 0:0:0:0:0:ffff:4258:defd
66.88.222.254 0:0:0:0:0:ffff:4258:defe
66.88.222.255 0:0:0:0:0:ffff:4258:deff


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.