15.197.66.0/26
PublicClass A — /26 prefix — 62 usable hosts
Network address — the base address of the block (15.197.66.0). All devices in this subnet share this prefix. Cannot be assigned to a host.
Broadcast address — packets sent to 15.197.66.63 are delivered to every device in the subnet. Also reserved — not assignable.
Usable hosts — the 62 addresses between those two that you can assign to servers, VMs, or interfaces.
Subnet mask — 255.255.255.192 is the dotted-decimal equivalent of /26. Older tools and Cisco configs use this format instead of CIDR slash notation.
Full Details
| CIDR Notation | 15.197.66.0/26 |
| Network Address | 15.197.66.0 |
| Broadcast Address | 15.197.66.63 |
| Subnet Mask | 255.255.255.192 |
| Wildcard Mask | 0.0.0.63 |
| Prefix Length | /26 |
| IP Address Class | Class A |
| Total IP Addresses | 64 |
| Usable Host Addresses | 62 |
| First Usable IP | 15.197.66.1 |
| Last Usable IP | 15.197.66.62 |
| Network (Hex) | 0x0FC54200 |
| Broadcast (Hex) | 0x0FC5423F |
| Address Type | Public / Globally Routable |
Binary Representation
The first 26 bits (1s in the mask) identify the network. The remaining 6 bits identify hosts within the network.
Split into Equal Subnets
Split 15.197.66.0/26 into 2 equal /27 subnets (30 usable hosts each).
| # | CIDR | Network | First Usable | Last Usable | Broadcast | Hosts |
|---|---|---|---|---|---|---|
| 1 | 15.197.66.0/27 | 15.197.66.0 | 15.197.66.1 | 15.197.66.30 | 15.197.66.31 | 30 |
| 2 | 15.197.66.32/27 | 15.197.66.32 | 15.197.66.33 | 15.197.66.62 | 15.197.66.63 | 30 |
Split 15.197.66.0/26 into 4 equal /28 subnets (14 usable hosts each).
| # | CIDR | Network | First Usable | Last Usable | Broadcast | Hosts |
|---|---|---|---|---|---|---|
| 1 | 15.197.66.0/28 | 15.197.66.0 | 15.197.66.1 | 15.197.66.14 | 15.197.66.15 | 14 |
| 2 | 15.197.66.16/28 | 15.197.66.16 | 15.197.66.17 | 15.197.66.30 | 15.197.66.31 | 14 |
| 3 | 15.197.66.32/28 | 15.197.66.32 | 15.197.66.33 | 15.197.66.46 | 15.197.66.47 | 14 |
| 4 | 15.197.66.48/28 | 15.197.66.48 | 15.197.66.49 | 15.197.66.62 | 15.197.66.63 | 14 |
Split 15.197.66.0/26 into 8 equal /29 subnets (6 usable hosts each).
| # | CIDR | Network | First Usable | Last Usable | Broadcast | Hosts |
|---|---|---|---|---|---|---|
| 1 | 15.197.66.0/29 | 15.197.66.0 | 15.197.66.1 | 15.197.66.6 | 15.197.66.7 | 6 |
| 2 | 15.197.66.8/29 | 15.197.66.8 | 15.197.66.9 | 15.197.66.14 | 15.197.66.15 | 6 |
| 3 | 15.197.66.16/29 | 15.197.66.16 | 15.197.66.17 | 15.197.66.22 | 15.197.66.23 | 6 |
| 4 | 15.197.66.24/29 | 15.197.66.24 | 15.197.66.25 | 15.197.66.30 | 15.197.66.31 | 6 |
| 5 | 15.197.66.32/29 | 15.197.66.32 | 15.197.66.33 | 15.197.66.38 | 15.197.66.39 | 6 |
| 6 | 15.197.66.40/29 | 15.197.66.40 | 15.197.66.41 | 15.197.66.46 | 15.197.66.47 | 6 |
| 7 | 15.197.66.48/29 | 15.197.66.48 | 15.197.66.49 | 15.197.66.54 | 15.197.66.55 | 6 |
| 8 | 15.197.66.56/29 | 15.197.66.56 | 15.197.66.57 | 15.197.66.62 | 15.197.66.63 | 6 |
Split 15.197.66.0/26 into 16 equal /30 subnets (2 usable hosts each).
| # | CIDR | Network | First Usable | Last Usable | Broadcast | Hosts |
|---|---|---|---|---|---|---|
| 1 | 15.197.66.0/30 | 15.197.66.0 | 15.197.66.1 | 15.197.66.2 | 15.197.66.3 | 2 |
| 2 | 15.197.66.4/30 | 15.197.66.4 | 15.197.66.5 | 15.197.66.6 | 15.197.66.7 | 2 |
| 3 | 15.197.66.8/30 | 15.197.66.8 | 15.197.66.9 | 15.197.66.10 | 15.197.66.11 | 2 |
| 4 | 15.197.66.12/30 | 15.197.66.12 | 15.197.66.13 | 15.197.66.14 | 15.197.66.15 | 2 |
| 5 | 15.197.66.16/30 | 15.197.66.16 | 15.197.66.17 | 15.197.66.18 | 15.197.66.19 | 2 |
| 6 | 15.197.66.20/30 | 15.197.66.20 | 15.197.66.21 | 15.197.66.22 | 15.197.66.23 | 2 |
| 7 | 15.197.66.24/30 | 15.197.66.24 | 15.197.66.25 | 15.197.66.26 | 15.197.66.27 | 2 |
| 8 | 15.197.66.28/30 | 15.197.66.28 | 15.197.66.29 | 15.197.66.30 | 15.197.66.31 | 2 |
| 9 | 15.197.66.32/30 | 15.197.66.32 | 15.197.66.33 | 15.197.66.34 | 15.197.66.35 | 2 |
| 10 | 15.197.66.36/30 | 15.197.66.36 | 15.197.66.37 | 15.197.66.38 | 15.197.66.39 | 2 |
| 11 | 15.197.66.40/30 | 15.197.66.40 | 15.197.66.41 | 15.197.66.42 | 15.197.66.43 | 2 |
| 12 | 15.197.66.44/30 | 15.197.66.44 | 15.197.66.45 | 15.197.66.46 | 15.197.66.47 | 2 |
| 13 | 15.197.66.48/30 | 15.197.66.48 | 15.197.66.49 | 15.197.66.50 | 15.197.66.51 | 2 |
| 14 | 15.197.66.52/30 | 15.197.66.52 | 15.197.66.53 | 15.197.66.54 | 15.197.66.55 | 2 |
| 15 | 15.197.66.56/30 | 15.197.66.56 | 15.197.66.57 | 15.197.66.58 | 15.197.66.59 | 2 |
| 16 | 15.197.66.60/30 | 15.197.66.60 | 15.197.66.61 | 15.197.66.62 | 15.197.66.63 | 2 |
IP Address Sample
Showing first 16 of 64 total IPs.