78.48.0.0/19
PublicClass A — /19 prefix — 8,190 usable hosts
Network address — the base address of the block (78.48.0.0). All devices in this subnet share this prefix. Cannot be assigned to a host.
Broadcast address — packets sent to 78.48.31.255 are delivered to every device in the subnet. Also reserved — not assignable.
Usable hosts — the 8,190 addresses between those two that you can assign to servers, VMs, or interfaces.
Subnet mask — 255.255.224.0 is the dotted-decimal equivalent of /19. Older tools and Cisco configs use this format instead of CIDR slash notation.
Full Details
| CIDR Notation | 78.48.0.0/19 |
| Network Address | 78.48.0.0 |
| Broadcast Address | 78.48.31.255 |
| Subnet Mask | 255.255.224.0 |
| Wildcard Mask | 0.0.31.255 |
| Prefix Length | /19 |
| IP Address Class | Class A |
| Total IP Addresses | 8,192 |
| Usable Host Addresses | 8,190 |
| First Usable IP | 78.48.0.1 |
| Last Usable IP | 78.48.31.254 |
| Network (Hex) | 0x4E300000 |
| Broadcast (Hex) | 0x4E301FFF |
| Address Type | Public / Globally Routable |
Binary Representation
The first 19 bits (1s in the mask) identify the network. The remaining 13 bits identify hosts within the network.
Split into Equal Subnets
Split 78.48.0.0/19 into 2 equal /20 subnets (4,094 usable hosts each).
| # | CIDR | Network | First Usable | Last Usable | Broadcast | Hosts |
|---|---|---|---|---|---|---|
| 1 | 78.48.0.0/20 | 78.48.0.0 | 78.48.0.1 | 78.48.15.254 | 78.48.15.255 | 4,094 |
| 2 | 78.48.16.0/20 | 78.48.16.0 | 78.48.16.1 | 78.48.31.254 | 78.48.31.255 | 4,094 |
Split 78.48.0.0/19 into 4 equal /21 subnets (2,046 usable hosts each).
| # | CIDR | Network | First Usable | Last Usable | Broadcast | Hosts |
|---|---|---|---|---|---|---|
| 1 | 78.48.0.0/21 | 78.48.0.0 | 78.48.0.1 | 78.48.7.254 | 78.48.7.255 | 2,046 |
| 2 | 78.48.8.0/21 | 78.48.8.0 | 78.48.8.1 | 78.48.15.254 | 78.48.15.255 | 2,046 |
| 3 | 78.48.16.0/21 | 78.48.16.0 | 78.48.16.1 | 78.48.23.254 | 78.48.23.255 | 2,046 |
| 4 | 78.48.24.0/21 | 78.48.24.0 | 78.48.24.1 | 78.48.31.254 | 78.48.31.255 | 2,046 |
Split 78.48.0.0/19 into 8 equal /22 subnets (1,022 usable hosts each).
| # | CIDR | Network | First Usable | Last Usable | Broadcast | Hosts |
|---|---|---|---|---|---|---|
| 1 | 78.48.0.0/22 | 78.48.0.0 | 78.48.0.1 | 78.48.3.254 | 78.48.3.255 | 1,022 |
| 2 | 78.48.4.0/22 | 78.48.4.0 | 78.48.4.1 | 78.48.7.254 | 78.48.7.255 | 1,022 |
| 3 | 78.48.8.0/22 | 78.48.8.0 | 78.48.8.1 | 78.48.11.254 | 78.48.11.255 | 1,022 |
| 4 | 78.48.12.0/22 | 78.48.12.0 | 78.48.12.1 | 78.48.15.254 | 78.48.15.255 | 1,022 |
| 5 | 78.48.16.0/22 | 78.48.16.0 | 78.48.16.1 | 78.48.19.254 | 78.48.19.255 | 1,022 |
| 6 | 78.48.20.0/22 | 78.48.20.0 | 78.48.20.1 | 78.48.23.254 | 78.48.23.255 | 1,022 |
| 7 | 78.48.24.0/22 | 78.48.24.0 | 78.48.24.1 | 78.48.27.254 | 78.48.27.255 | 1,022 |
| 8 | 78.48.28.0/22 | 78.48.28.0 | 78.48.28.1 | 78.48.31.254 | 78.48.31.255 | 1,022 |
Split 78.48.0.0/19 into 16 equal /23 subnets (510 usable hosts each).
| # | CIDR | Network | First Usable | Last Usable | Broadcast | Hosts |
|---|---|---|---|---|---|---|
| 1 | 78.48.0.0/23 | 78.48.0.0 | 78.48.0.1 | 78.48.1.254 | 78.48.1.255 | 510 |
| 2 | 78.48.2.0/23 | 78.48.2.0 | 78.48.2.1 | 78.48.3.254 | 78.48.3.255 | 510 |
| 3 | 78.48.4.0/23 | 78.48.4.0 | 78.48.4.1 | 78.48.5.254 | 78.48.5.255 | 510 |
| 4 | 78.48.6.0/23 | 78.48.6.0 | 78.48.6.1 | 78.48.7.254 | 78.48.7.255 | 510 |
| 5 | 78.48.8.0/23 | 78.48.8.0 | 78.48.8.1 | 78.48.9.254 | 78.48.9.255 | 510 |
| 6 | 78.48.10.0/23 | 78.48.10.0 | 78.48.10.1 | 78.48.11.254 | 78.48.11.255 | 510 |
| 7 | 78.48.12.0/23 | 78.48.12.0 | 78.48.12.1 | 78.48.13.254 | 78.48.13.255 | 510 |
| 8 | 78.48.14.0/23 | 78.48.14.0 | 78.48.14.1 | 78.48.15.254 | 78.48.15.255 | 510 |
| 9 | 78.48.16.0/23 | 78.48.16.0 | 78.48.16.1 | 78.48.17.254 | 78.48.17.255 | 510 |
| 10 | 78.48.18.0/23 | 78.48.18.0 | 78.48.18.1 | 78.48.19.254 | 78.48.19.255 | 510 |
| 11 | 78.48.20.0/23 | 78.48.20.0 | 78.48.20.1 | 78.48.21.254 | 78.48.21.255 | 510 |
| 12 | 78.48.22.0/23 | 78.48.22.0 | 78.48.22.1 | 78.48.23.254 | 78.48.23.255 | 510 |
| 13 | 78.48.24.0/23 | 78.48.24.0 | 78.48.24.1 | 78.48.25.254 | 78.48.25.255 | 510 |
| 14 | 78.48.26.0/23 | 78.48.26.0 | 78.48.26.1 | 78.48.27.254 | 78.48.27.255 | 510 |
| 15 | 78.48.28.0/23 | 78.48.28.0 | 78.48.28.1 | 78.48.29.254 | 78.48.29.255 | 510 |
| 16 | 78.48.30.0/23 | 78.48.30.0 | 78.48.30.1 | 78.48.31.254 | 78.48.31.255 | 510 |