51.229.38.64/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
51.229.38.64
Broadcast Address
51.229.38.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
51.229.38.65
Last Usable IP
51.229.38.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (51.229.38.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 51.229.38.95 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 51.229.38.64/27
Network Address 51.229.38.64
Broadcast Address 51.229.38.95
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 51.229.38.65
Last Usable IP 51.229.38.94
Network (Hex) 0x33E52640
Broadcast (Hex) 0x33E5265F
Address Type Public / Globally Routable

Binary Representation

Network Address
00110011.11100101.00100110 00110011.11100101.00100110.01000000
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 51.229.38.64/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 51.229.38.64/28 51.229.38.64 51.229.38.65 51.229.38.78 51.229.38.79 14
2 51.229.38.80/28 51.229.38.80 51.229.38.81 51.229.38.94 51.229.38.95 14

IP Address Sample

Showing first 16 of 32 total IPs.

51.229.38.64 net
51.229.38.65
51.229.38.66
51.229.38.67
51.229.38.68
51.229.38.69
51.229.38.70
51.229.38.71
51.229.38.72
51.229.38.73
51.229.38.74
51.229.38.75
51.229.38.76
51.229.38.77
51.229.38.78
51.229.38.79
… 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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