178.13.10.0/25
PublicClass B — /25 prefix — 126 usable hosts
Network address — the base address of the block (178.13.10.0). All devices in this subnet share this prefix. Cannot be assigned to a host.
Broadcast address — packets sent to 178.13.10.127 are delivered to every device in the subnet. Also reserved — not assignable.
Usable hosts — the 126 addresses between those two that you can assign to servers, VMs, or interfaces.
Subnet mask — 255.255.255.128 is the dotted-decimal equivalent of /25. Older tools and Cisco configs use this format instead of CIDR slash notation.
Full Details
| CIDR Notation | 178.13.10.0/25 |
| Network Address | 178.13.10.0 |
| Broadcast Address | 178.13.10.127 |
| Subnet Mask | 255.255.255.128 |
| Wildcard Mask | 0.0.0.127 |
| Prefix Length | /25 |
| IP Address Class | Class B |
| Total IP Addresses | 128 |
| Usable Host Addresses | 126 |
| First Usable IP | 178.13.10.1 |
| Last Usable IP | 178.13.10.126 |
| Network (Hex) | 0xB20D0A00 |
| Broadcast (Hex) | 0xB20D0A7F |
| Address Type | Public / Globally Routable |
Binary Representation
The first 25 bits (1s in the mask) identify the network. The remaining 7 bits identify hosts within the network.
Split into Equal Subnets
Split 178.13.10.0/25 into 2 equal /26 subnets (62 usable hosts each).
| # | CIDR | Network | First Usable | Last Usable | Broadcast | Hosts |
|---|---|---|---|---|---|---|
| 1 | 178.13.10.0/26 | 178.13.10.0 | 178.13.10.1 | 178.13.10.62 | 178.13.10.63 | 62 |
| 2 | 178.13.10.64/26 | 178.13.10.64 | 178.13.10.65 | 178.13.10.126 | 178.13.10.127 | 62 |
Split 178.13.10.0/25 into 4 equal /27 subnets (30 usable hosts each).
| # | CIDR | Network | First Usable | Last Usable | Broadcast | Hosts |
|---|---|---|---|---|---|---|
| 1 | 178.13.10.0/27 | 178.13.10.0 | 178.13.10.1 | 178.13.10.30 | 178.13.10.31 | 30 |
| 2 | 178.13.10.32/27 | 178.13.10.32 | 178.13.10.33 | 178.13.10.62 | 178.13.10.63 | 30 |
| 3 | 178.13.10.64/27 | 178.13.10.64 | 178.13.10.65 | 178.13.10.94 | 178.13.10.95 | 30 |
| 4 | 178.13.10.96/27 | 178.13.10.96 | 178.13.10.97 | 178.13.10.126 | 178.13.10.127 | 30 |
Split 178.13.10.0/25 into 8 equal /28 subnets (14 usable hosts each).
| # | CIDR | Network | First Usable | Last Usable | Broadcast | Hosts |
|---|---|---|---|---|---|---|
| 1 | 178.13.10.0/28 | 178.13.10.0 | 178.13.10.1 | 178.13.10.14 | 178.13.10.15 | 14 |
| 2 | 178.13.10.16/28 | 178.13.10.16 | 178.13.10.17 | 178.13.10.30 | 178.13.10.31 | 14 |
| 3 | 178.13.10.32/28 | 178.13.10.32 | 178.13.10.33 | 178.13.10.46 | 178.13.10.47 | 14 |
| 4 | 178.13.10.48/28 | 178.13.10.48 | 178.13.10.49 | 178.13.10.62 | 178.13.10.63 | 14 |
| 5 | 178.13.10.64/28 | 178.13.10.64 | 178.13.10.65 | 178.13.10.78 | 178.13.10.79 | 14 |
| 6 | 178.13.10.80/28 | 178.13.10.80 | 178.13.10.81 | 178.13.10.94 | 178.13.10.95 | 14 |
| 7 | 178.13.10.96/28 | 178.13.10.96 | 178.13.10.97 | 178.13.10.110 | 178.13.10.111 | 14 |
| 8 | 178.13.10.112/28 | 178.13.10.112 | 178.13.10.113 | 178.13.10.126 | 178.13.10.127 | 14 |
Split 178.13.10.0/25 into 16 equal /29 subnets (6 usable hosts each).
| # | CIDR | Network | First Usable | Last Usable | Broadcast | Hosts |
|---|---|---|---|---|---|---|
| 1 | 178.13.10.0/29 | 178.13.10.0 | 178.13.10.1 | 178.13.10.6 | 178.13.10.7 | 6 |
| 2 | 178.13.10.8/29 | 178.13.10.8 | 178.13.10.9 | 178.13.10.14 | 178.13.10.15 | 6 |
| 3 | 178.13.10.16/29 | 178.13.10.16 | 178.13.10.17 | 178.13.10.22 | 178.13.10.23 | 6 |
| 4 | 178.13.10.24/29 | 178.13.10.24 | 178.13.10.25 | 178.13.10.30 | 178.13.10.31 | 6 |
| 5 | 178.13.10.32/29 | 178.13.10.32 | 178.13.10.33 | 178.13.10.38 | 178.13.10.39 | 6 |
| 6 | 178.13.10.40/29 | 178.13.10.40 | 178.13.10.41 | 178.13.10.46 | 178.13.10.47 | 6 |
| 7 | 178.13.10.48/29 | 178.13.10.48 | 178.13.10.49 | 178.13.10.54 | 178.13.10.55 | 6 |
| 8 | 178.13.10.56/29 | 178.13.10.56 | 178.13.10.57 | 178.13.10.62 | 178.13.10.63 | 6 |
| 9 | 178.13.10.64/29 | 178.13.10.64 | 178.13.10.65 | 178.13.10.70 | 178.13.10.71 | 6 |
| 10 | 178.13.10.72/29 | 178.13.10.72 | 178.13.10.73 | 178.13.10.78 | 178.13.10.79 | 6 |
| 11 | 178.13.10.80/29 | 178.13.10.80 | 178.13.10.81 | 178.13.10.86 | 178.13.10.87 | 6 |
| 12 | 178.13.10.88/29 | 178.13.10.88 | 178.13.10.89 | 178.13.10.94 | 178.13.10.95 | 6 |
| 13 | 178.13.10.96/29 | 178.13.10.96 | 178.13.10.97 | 178.13.10.102 | 178.13.10.103 | 6 |
| 14 | 178.13.10.104/29 | 178.13.10.104 | 178.13.10.105 | 178.13.10.110 | 178.13.10.111 | 6 |
| 15 | 178.13.10.112/29 | 178.13.10.112 | 178.13.10.113 | 178.13.10.118 | 178.13.10.119 | 6 |
| 16 | 178.13.10.120/29 | 178.13.10.120 | 178.13.10.121 | 178.13.10.126 | 178.13.10.127 | 6 |
IP Address Sample
Showing first 16 of 128 total IPs.