243.89.3.0/25
PublicClass E (Reserved) — /25 prefix — 126 usable hosts
Network address — the base address of the block (243.89.3.0). All devices in this subnet share this prefix. Cannot be assigned to a host.
Broadcast address — packets sent to 243.89.3.127 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 | 243.89.3.0/25 |
| Network Address | 243.89.3.0 |
| Broadcast Address | 243.89.3.127 |
| Subnet Mask | 255.255.255.128 |
| Wildcard Mask | 0.0.0.127 |
| Prefix Length | /25 |
| IP Address Class | Class E (Reserved) |
| Total IP Addresses | 128 |
| Usable Host Addresses | 126 |
| First Usable IP | 243.89.3.1 |
| Last Usable IP | 243.89.3.126 |
| Network (Hex) | 0xF3590300 |
| Broadcast (Hex) | 0xF359037F |
| 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 243.89.3.0/25 into 2 equal /26 subnets (62 usable hosts each).
| # | CIDR | Network | First Usable | Last Usable | Broadcast | Hosts |
|---|---|---|---|---|---|---|
| 1 | 243.89.3.0/26 | 243.89.3.0 | 243.89.3.1 | 243.89.3.62 | 243.89.3.63 | 62 |
| 2 | 243.89.3.64/26 | 243.89.3.64 | 243.89.3.65 | 243.89.3.126 | 243.89.3.127 | 62 |
Split 243.89.3.0/25 into 4 equal /27 subnets (30 usable hosts each).
| # | CIDR | Network | First Usable | Last Usable | Broadcast | Hosts |
|---|---|---|---|---|---|---|
| 1 | 243.89.3.0/27 | 243.89.3.0 | 243.89.3.1 | 243.89.3.30 | 243.89.3.31 | 30 |
| 2 | 243.89.3.32/27 | 243.89.3.32 | 243.89.3.33 | 243.89.3.62 | 243.89.3.63 | 30 |
| 3 | 243.89.3.64/27 | 243.89.3.64 | 243.89.3.65 | 243.89.3.94 | 243.89.3.95 | 30 |
| 4 | 243.89.3.96/27 | 243.89.3.96 | 243.89.3.97 | 243.89.3.126 | 243.89.3.127 | 30 |
Split 243.89.3.0/25 into 8 equal /28 subnets (14 usable hosts each).
| # | CIDR | Network | First Usable | Last Usable | Broadcast | Hosts |
|---|---|---|---|---|---|---|
| 1 | 243.89.3.0/28 | 243.89.3.0 | 243.89.3.1 | 243.89.3.14 | 243.89.3.15 | 14 |
| 2 | 243.89.3.16/28 | 243.89.3.16 | 243.89.3.17 | 243.89.3.30 | 243.89.3.31 | 14 |
| 3 | 243.89.3.32/28 | 243.89.3.32 | 243.89.3.33 | 243.89.3.46 | 243.89.3.47 | 14 |
| 4 | 243.89.3.48/28 | 243.89.3.48 | 243.89.3.49 | 243.89.3.62 | 243.89.3.63 | 14 |
| 5 | 243.89.3.64/28 | 243.89.3.64 | 243.89.3.65 | 243.89.3.78 | 243.89.3.79 | 14 |
| 6 | 243.89.3.80/28 | 243.89.3.80 | 243.89.3.81 | 243.89.3.94 | 243.89.3.95 | 14 |
| 7 | 243.89.3.96/28 | 243.89.3.96 | 243.89.3.97 | 243.89.3.110 | 243.89.3.111 | 14 |
| 8 | 243.89.3.112/28 | 243.89.3.112 | 243.89.3.113 | 243.89.3.126 | 243.89.3.127 | 14 |
Split 243.89.3.0/25 into 16 equal /29 subnets (6 usable hosts each).
| # | CIDR | Network | First Usable | Last Usable | Broadcast | Hosts |
|---|---|---|---|---|---|---|
| 1 | 243.89.3.0/29 | 243.89.3.0 | 243.89.3.1 | 243.89.3.6 | 243.89.3.7 | 6 |
| 2 | 243.89.3.8/29 | 243.89.3.8 | 243.89.3.9 | 243.89.3.14 | 243.89.3.15 | 6 |
| 3 | 243.89.3.16/29 | 243.89.3.16 | 243.89.3.17 | 243.89.3.22 | 243.89.3.23 | 6 |
| 4 | 243.89.3.24/29 | 243.89.3.24 | 243.89.3.25 | 243.89.3.30 | 243.89.3.31 | 6 |
| 5 | 243.89.3.32/29 | 243.89.3.32 | 243.89.3.33 | 243.89.3.38 | 243.89.3.39 | 6 |
| 6 | 243.89.3.40/29 | 243.89.3.40 | 243.89.3.41 | 243.89.3.46 | 243.89.3.47 | 6 |
| 7 | 243.89.3.48/29 | 243.89.3.48 | 243.89.3.49 | 243.89.3.54 | 243.89.3.55 | 6 |
| 8 | 243.89.3.56/29 | 243.89.3.56 | 243.89.3.57 | 243.89.3.62 | 243.89.3.63 | 6 |
| 9 | 243.89.3.64/29 | 243.89.3.64 | 243.89.3.65 | 243.89.3.70 | 243.89.3.71 | 6 |
| 10 | 243.89.3.72/29 | 243.89.3.72 | 243.89.3.73 | 243.89.3.78 | 243.89.3.79 | 6 |
| 11 | 243.89.3.80/29 | 243.89.3.80 | 243.89.3.81 | 243.89.3.86 | 243.89.3.87 | 6 |
| 12 | 243.89.3.88/29 | 243.89.3.88 | 243.89.3.89 | 243.89.3.94 | 243.89.3.95 | 6 |
| 13 | 243.89.3.96/29 | 243.89.3.96 | 243.89.3.97 | 243.89.3.102 | 243.89.3.103 | 6 |
| 14 | 243.89.3.104/29 | 243.89.3.104 | 243.89.3.105 | 243.89.3.110 | 243.89.3.111 | 6 |
| 15 | 243.89.3.112/29 | 243.89.3.112 | 243.89.3.113 | 243.89.3.118 | 243.89.3.119 | 6 |
| 16 | 243.89.3.120/29 | 243.89.3.120 | 243.89.3.121 | 243.89.3.126 | 243.89.3.127 | 6 |
IP Address Sample
Showing first 16 of 128 total IPs.