243.88.252.80/30
PublicClass E (Reserved) — /30 prefix — 2 usable hosts
Network Address
243.88.252.80
Broadcast Address
243.88.252.83
Subnet Mask
255.255.255.252
Usable Hosts
2
First Usable IP
243.88.252.81
Last Usable IP
243.88.252.82
Total IPs
4
Prefix Length
Network address — the base address of the block (243.88.252.80). All devices in this subnet share this prefix. Cannot be assigned to a host.
Broadcast address — packets sent to 243.88.252.83 are delivered to every device in the subnet. Also reserved — not assignable.
Usable hosts — the 2 addresses between those two that you can assign to servers, VMs, or interfaces.
Subnet mask — 255.255.255.252 is the dotted-decimal equivalent of /30. Older tools and Cisco configs use this format instead of CIDR slash notation.
Full Details
| CIDR Notation | 243.88.252.80/30 |
| Network Address | 243.88.252.80 |
| Broadcast Address | 243.88.252.83 |
| Subnet Mask | 255.255.255.252 |
| Wildcard Mask | 0.0.0.3 |
| Prefix Length | /30 |
| IP Address Class | Class E (Reserved) |
| Total IP Addresses | 4 |
| Usable Host Addresses | 2 |
| First Usable IP | 243.88.252.81 |
| Last Usable IP | 243.88.252.82 |
| Network (Hex) | 0xF358FC50 |
| Broadcast (Hex) | 0xF358FC53 |
| Address Type | Public / Globally Routable |
Binary Representation
Network Address
11110011.01011000.11111100
11110011.01011000.11111100.01010000
Subnet Mask
11111111.11111111.11111111.11111100
The first 30 bits (1s in the mask) identify the network. The remaining 2 bits identify hosts within the network.
All 4 IP Addresses in this Range
243.88.252.80
net
243.88.252.81
243.88.252.82
243.88.252.83
bcast
/30 Subnet Reference
Total IPs
4
Usable Hosts
2
Subnet Mask
255.255.255.252
Wildcard
0.0.0.3