131.9.231.32/27
PublicClass B — /27 prefix — 30 usable hosts
Network address — the base address of the block (131.9.231.32). All devices in this subnet share this prefix. Cannot be assigned to a host.
Broadcast address — packets sent to 131.9.231.63 are delivered to every device in the subnet. Also reserved — not assignable.
Usable hosts — the 30 addresses between those two that you can assign to servers, VMs, or interfaces.
Subnet mask — 255.255.255.224 is the dotted-decimal equivalent of /27. Older tools and Cisco configs use this format instead of CIDR slash notation.
Full Details
| CIDR Notation | 131.9.231.32/27 |
| Network Address | 131.9.231.32 |
| Broadcast Address | 131.9.231.63 |
| Subnet Mask | 255.255.255.224 |
| Wildcard Mask | 0.0.0.31 |
| Prefix Length | /27 |
| IP Address Class | Class B |
| Total IP Addresses | 32 |
| Usable Host Addresses | 30 |
| First Usable IP | 131.9.231.33 |
| Last Usable IP | 131.9.231.62 |
| Network (Hex) | 0x8309E720 |
| Broadcast (Hex) | 0x8309E73F |
| Address Type | Public / Globally Routable |
Binary Representation
The first 27 bits (1s in the mask) identify the network. The remaining 5 bits identify hosts within the network.
Split into Equal Subnets
Split 131.9.231.32/27 into 2 equal /28 subnets (14 usable hosts each).
| # | CIDR | Network | First Usable | Last Usable | Broadcast | Hosts |
|---|---|---|---|---|---|---|
| 1 | 131.9.231.32/28 | 131.9.231.32 | 131.9.231.33 | 131.9.231.46 | 131.9.231.47 | 14 |
| 2 | 131.9.231.48/28 | 131.9.231.48 | 131.9.231.49 | 131.9.231.62 | 131.9.231.63 | 14 |
Split 131.9.231.32/27 into 4 equal /29 subnets (6 usable hosts each).
| # | CIDR | Network | First Usable | Last Usable | Broadcast | Hosts |
|---|---|---|---|---|---|---|
| 1 | 131.9.231.32/29 | 131.9.231.32 | 131.9.231.33 | 131.9.231.38 | 131.9.231.39 | 6 |
| 2 | 131.9.231.40/29 | 131.9.231.40 | 131.9.231.41 | 131.9.231.46 | 131.9.231.47 | 6 |
| 3 | 131.9.231.48/29 | 131.9.231.48 | 131.9.231.49 | 131.9.231.54 | 131.9.231.55 | 6 |
| 4 | 131.9.231.56/29 | 131.9.231.56 | 131.9.231.57 | 131.9.231.62 | 131.9.231.63 | 6 |
Split 131.9.231.32/27 into 8 equal /30 subnets (2 usable hosts each).
| # | CIDR | Network | First Usable | Last Usable | Broadcast | Hosts |
|---|---|---|---|---|---|---|
| 1 | 131.9.231.32/30 | 131.9.231.32 | 131.9.231.33 | 131.9.231.34 | 131.9.231.35 | 2 |
| 2 | 131.9.231.36/30 | 131.9.231.36 | 131.9.231.37 | 131.9.231.38 | 131.9.231.39 | 2 |
| 3 | 131.9.231.40/30 | 131.9.231.40 | 131.9.231.41 | 131.9.231.42 | 131.9.231.43 | 2 |
| 4 | 131.9.231.44/30 | 131.9.231.44 | 131.9.231.45 | 131.9.231.46 | 131.9.231.47 | 2 |
| 5 | 131.9.231.48/30 | 131.9.231.48 | 131.9.231.49 | 131.9.231.50 | 131.9.231.51 | 2 |
| 6 | 131.9.231.52/30 | 131.9.231.52 | 131.9.231.53 | 131.9.231.54 | 131.9.231.55 | 2 |
| 7 | 131.9.231.56/30 | 131.9.231.56 | 131.9.231.57 | 131.9.231.58 | 131.9.231.59 | 2 |
| 8 | 131.9.231.60/30 | 131.9.231.60 | 131.9.231.61 | 131.9.231.62 | 131.9.231.63 | 2 |
IP Address Sample
Showing first 16 of 32 total IPs.