255.45.239.0/27

Public

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

Network Address
255.45.239.0
Broadcast Address
255.45.239.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
255.45.239.1
Last Usable IP
255.45.239.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (255.45.239.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 255.45.239.31 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 255.45.239.0/27
Network Address 255.45.239.0
Broadcast Address 255.45.239.31
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 255.45.239.1
Last Usable IP 255.45.239.30
Network (Hex) 0xFF2DEF00
Broadcast (Hex) 0xFF2DEF1F
Address Type Public / Globally Routable

Binary Representation

Network Address
11111111.00101101.11101111 11111111.00101101.11101111.00000000
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 255.45.239.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 255.45.239.0/28 255.45.239.0 255.45.239.1 255.45.239.14 255.45.239.15 14
2 255.45.239.16/28 255.45.239.16 255.45.239.17 255.45.239.30 255.45.239.31 14

IP Address Sample

Showing first 16 of 32 total IPs.

255.45.239.0 net
255.45.239.1
255.45.239.2
255.45.239.3
255.45.239.4
255.45.239.5
255.45.239.6
255.45.239.7
255.45.239.8
255.45.239.9
255.45.239.10
255.45.239.11
255.45.239.12
255.45.239.13
255.45.239.14
255.45.239.15
… 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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