243.5.252.0/27

Public

Class E (Reserved) — /27 prefix — 30 usable hosts

Network Address
243.5.252.0
Broadcast Address
243.5.252.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
243.5.252.1
Last Usable IP
243.5.252.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (243.5.252.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 243.5.252.31 are delivered to every device in the subnet. Also reserved — not assignable.

Usable hosts — the 30 addresses between those two that you can assign to servers, VMs, or interfaces.

Subnet mask255.255.255.224 is the dotted-decimal equivalent of /27. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation 243.5.252.0/27
Network Address 243.5.252.0
Broadcast Address 243.5.252.31
Subnet Mask 255.255.255.224
Wildcard Mask 0.0.0.31
Prefix Length /27
IP Address Class Class E (Reserved)
Total IP Addresses 32
Usable Host Addresses 30
First Usable IP 243.5.252.1
Last Usable IP 243.5.252.30
Network (Hex) 0xF305FC00
Broadcast (Hex) 0xF305FC1F
Address Type Public / Globally Routable

Binary Representation

Network Address
11110011.00000101.11111100 11110011.00000101.11111100.00000000
Subnet Mask
11111111.11111111.11111111.11100000

The first 27 bits (1s in the mask) identify the network. The remaining 5 bits identify hosts within the network.

Split into Equal Subnets

Split 243.5.252.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 243.5.252.0/28 243.5.252.0 243.5.252.1 243.5.252.14 243.5.252.15 14
2 243.5.252.16/28 243.5.252.16 243.5.252.17 243.5.252.30 243.5.252.31 14

IP Address Sample

Showing first 16 of 32 total IPs.

243.5.252.0 net
243.5.252.1
243.5.252.2
243.5.252.3
243.5.252.4
243.5.252.5
243.5.252.6
243.5.252.7
243.5.252.8
243.5.252.9
243.5.252.10
243.5.252.11
243.5.252.12
243.5.252.13
243.5.252.14
243.5.252.15
… 16 more IPs …

/27 Subnet Reference

Total IPs 32
Usable Hosts 30
Subnet Mask 255.255.255.224
Wildcard 0.0.0.31

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