28.218.208.0/24
PublicClass A — /24 prefix — 254 usable hosts
Network address — the base address of the block (28.218.208.0). All devices in this subnet share this prefix. Cannot be assigned to a host.
Broadcast address — packets sent to 28.218.208.255 are delivered to every device in the subnet. Also reserved — not assignable.
Usable hosts — the 254 addresses between those two that you can assign to servers, VMs, or interfaces.
Subnet mask — 255.255.255.0 is the dotted-decimal equivalent of /24. Older tools and Cisco configs use this format instead of CIDR slash notation.
Full Details
| CIDR Notation | 28.218.208.0/24 |
| Network Address | 28.218.208.0 |
| Broadcast Address | 28.218.208.255 |
| Subnet Mask | 255.255.255.0 |
| Wildcard Mask | 0.0.0.255 |
| Prefix Length | /24 |
| IP Address Class | Class A |
| Total IP Addresses | 256 |
| Usable Host Addresses | 254 |
| First Usable IP | 28.218.208.1 |
| Last Usable IP | 28.218.208.254 |
| Network (Hex) | 0x1CDAD000 |
| Broadcast (Hex) | 0x1CDAD0FF |
| Address Type | Public / Globally Routable |
Binary Representation
The first 24 bits (1s in the mask) identify the network. The remaining 8 bits identify hosts within the network.
Split into Equal Subnets
Split 28.218.208.0/24 into 2 equal /25 subnets (126 usable hosts each).
| # | CIDR | Network | First Usable | Last Usable | Broadcast | Hosts |
|---|---|---|---|---|---|---|
| 1 | 28.218.208.0/25 | 28.218.208.0 | 28.218.208.1 | 28.218.208.126 | 28.218.208.127 | 126 |
| 2 | 28.218.208.128/25 | 28.218.208.128 | 28.218.208.129 | 28.218.208.254 | 28.218.208.255 | 126 |
Split 28.218.208.0/24 into 4 equal /26 subnets (62 usable hosts each).
| # | CIDR | Network | First Usable | Last Usable | Broadcast | Hosts |
|---|---|---|---|---|---|---|
| 1 | 28.218.208.0/26 | 28.218.208.0 | 28.218.208.1 | 28.218.208.62 | 28.218.208.63 | 62 |
| 2 | 28.218.208.64/26 | 28.218.208.64 | 28.218.208.65 | 28.218.208.126 | 28.218.208.127 | 62 |
| 3 | 28.218.208.128/26 | 28.218.208.128 | 28.218.208.129 | 28.218.208.190 | 28.218.208.191 | 62 |
| 4 | 28.218.208.192/26 | 28.218.208.192 | 28.218.208.193 | 28.218.208.254 | 28.218.208.255 | 62 |
Split 28.218.208.0/24 into 8 equal /27 subnets (30 usable hosts each).
| # | CIDR | Network | First Usable | Last Usable | Broadcast | Hosts |
|---|---|---|---|---|---|---|
| 1 | 28.218.208.0/27 | 28.218.208.0 | 28.218.208.1 | 28.218.208.30 | 28.218.208.31 | 30 |
| 2 | 28.218.208.32/27 | 28.218.208.32 | 28.218.208.33 | 28.218.208.62 | 28.218.208.63 | 30 |
| 3 | 28.218.208.64/27 | 28.218.208.64 | 28.218.208.65 | 28.218.208.94 | 28.218.208.95 | 30 |
| 4 | 28.218.208.96/27 | 28.218.208.96 | 28.218.208.97 | 28.218.208.126 | 28.218.208.127 | 30 |
| 5 | 28.218.208.128/27 | 28.218.208.128 | 28.218.208.129 | 28.218.208.158 | 28.218.208.159 | 30 |
| 6 | 28.218.208.160/27 | 28.218.208.160 | 28.218.208.161 | 28.218.208.190 | 28.218.208.191 | 30 |
| 7 | 28.218.208.192/27 | 28.218.208.192 | 28.218.208.193 | 28.218.208.222 | 28.218.208.223 | 30 |
| 8 | 28.218.208.224/27 | 28.218.208.224 | 28.218.208.225 | 28.218.208.254 | 28.218.208.255 | 30 |
Split 28.218.208.0/24 into 16 equal /28 subnets (14 usable hosts each).
| # | CIDR | Network | First Usable | Last Usable | Broadcast | Hosts |
|---|---|---|---|---|---|---|
| 1 | 28.218.208.0/28 | 28.218.208.0 | 28.218.208.1 | 28.218.208.14 | 28.218.208.15 | 14 |
| 2 | 28.218.208.16/28 | 28.218.208.16 | 28.218.208.17 | 28.218.208.30 | 28.218.208.31 | 14 |
| 3 | 28.218.208.32/28 | 28.218.208.32 | 28.218.208.33 | 28.218.208.46 | 28.218.208.47 | 14 |
| 4 | 28.218.208.48/28 | 28.218.208.48 | 28.218.208.49 | 28.218.208.62 | 28.218.208.63 | 14 |
| 5 | 28.218.208.64/28 | 28.218.208.64 | 28.218.208.65 | 28.218.208.78 | 28.218.208.79 | 14 |
| 6 | 28.218.208.80/28 | 28.218.208.80 | 28.218.208.81 | 28.218.208.94 | 28.218.208.95 | 14 |
| 7 | 28.218.208.96/28 | 28.218.208.96 | 28.218.208.97 | 28.218.208.110 | 28.218.208.111 | 14 |
| 8 | 28.218.208.112/28 | 28.218.208.112 | 28.218.208.113 | 28.218.208.126 | 28.218.208.127 | 14 |
| 9 | 28.218.208.128/28 | 28.218.208.128 | 28.218.208.129 | 28.218.208.142 | 28.218.208.143 | 14 |
| 10 | 28.218.208.144/28 | 28.218.208.144 | 28.218.208.145 | 28.218.208.158 | 28.218.208.159 | 14 |
| 11 | 28.218.208.160/28 | 28.218.208.160 | 28.218.208.161 | 28.218.208.174 | 28.218.208.175 | 14 |
| 12 | 28.218.208.176/28 | 28.218.208.176 | 28.218.208.177 | 28.218.208.190 | 28.218.208.191 | 14 |
| 13 | 28.218.208.192/28 | 28.218.208.192 | 28.218.208.193 | 28.218.208.206 | 28.218.208.207 | 14 |
| 14 | 28.218.208.208/28 | 28.218.208.208 | 28.218.208.209 | 28.218.208.222 | 28.218.208.223 | 14 |
| 15 | 28.218.208.224/28 | 28.218.208.224 | 28.218.208.225 | 28.218.208.238 | 28.218.208.239 | 14 |
| 16 | 28.218.208.240/28 | 28.218.208.240 | 28.218.208.241 | 28.218.208.254 | 28.218.208.255 | 14 |
IP Address Sample
Showing first 16 of 256 total IPs.