205.251.248.0/27

Public

Class C — /27 prefix — 30 usable hosts

Network Address
205.251.248.0
Broadcast Address
205.251.248.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
205.251.248.1
Last Usable IP
205.251.248.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (205.251.248.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 205.251.248.31 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 205.251.248.0/27
Network Address 205.251.248.0
Broadcast Address 205.251.248.31
Subnet Mask 255.255.255.224
Wildcard Mask 0.0.0.31
Prefix Length /27
IP Address Class Class C
Total IP Addresses 32
Usable Host Addresses 30
First Usable IP 205.251.248.1
Last Usable IP 205.251.248.30
Network (Hex) 0xCDFBF800
Broadcast (Hex) 0xCDFBF81F
Address Type Public / Globally Routable

Binary Representation

Network Address
11001101.11111011.11111000 11001101.11111011.11111000.00000000
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 205.251.248.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 205.251.248.0/28 205.251.248.0 205.251.248.1 205.251.248.14 205.251.248.15 14
2 205.251.248.16/28 205.251.248.16 205.251.248.17 205.251.248.30 205.251.248.31 14

IP Address Sample

Showing first 16 of 32 total IPs.

205.251.248.0 net
205.251.248.1
205.251.248.2
205.251.248.3
205.251.248.4
205.251.248.5
205.251.248.6
205.251.248.7
205.251.248.8
205.251.248.9
205.251.248.10
205.251.248.11
205.251.248.12
205.251.248.13
205.251.248.14
205.251.248.15
… 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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