51.220.233.32/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
51.220.233.32
Broadcast Address
51.220.233.63
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
51.220.233.33
Last Usable IP
51.220.233.62
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (51.220.233.32). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 51.220.233.63 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 51.220.233.32/27
Network Address 51.220.233.32
Broadcast Address 51.220.233.63
Subnet Mask 255.255.255.224
Wildcard Mask 0.0.0.31
Prefix Length /27
IP Address Class Class A
Total IP Addresses 32
Usable Host Addresses 30
First Usable IP 51.220.233.33
Last Usable IP 51.220.233.62
Network (Hex) 0x33DCE920
Broadcast (Hex) 0x33DCE93F
Address Type Public / Globally Routable

Binary Representation

Network Address
00110011.11011100.11101001 00110011.11011100.11101001.00100000
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 51.220.233.32/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 51.220.233.32/28 51.220.233.32 51.220.233.33 51.220.233.46 51.220.233.47 14
2 51.220.233.48/28 51.220.233.48 51.220.233.49 51.220.233.62 51.220.233.63 14

IP Address Sample

Showing first 16 of 32 total IPs.

51.220.233.32 net
51.220.233.33
51.220.233.34
51.220.233.35
51.220.233.36
51.220.233.37
51.220.233.38
51.220.233.39
51.220.233.40
51.220.233.41
51.220.233.42
51.220.233.43
51.220.233.44
51.220.233.45
51.220.233.46
51.220.233.47
… 16 more IPs …

/27 Subnet Reference

Total IPs 32
Usable Hosts 30
Subnet Mask 255.255.255.224
Wildcard 0.0.0.31

Calculate Another