51.150.147.64/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
51.150.147.64
Broadcast Address
51.150.147.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
51.150.147.65
Last Usable IP
51.150.147.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (51.150.147.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 51.150.147.95 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 51.150.147.64/27
Network Address 51.150.147.64
Broadcast Address 51.150.147.95
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 51.150.147.65
Last Usable IP 51.150.147.94
Network (Hex) 0x33969340
Broadcast (Hex) 0x3396935F
Address Type Public / Globally Routable

Binary Representation

Network Address
00110011.10010110.10010011 00110011.10010110.10010011.01000000
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 51.150.147.64/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 51.150.147.64/28 51.150.147.64 51.150.147.65 51.150.147.78 51.150.147.79 14
2 51.150.147.80/28 51.150.147.80 51.150.147.81 51.150.147.94 51.150.147.95 14

IP Address Sample

Showing first 16 of 32 total IPs.

51.150.147.64 net
51.150.147.65
51.150.147.66
51.150.147.67
51.150.147.68
51.150.147.69
51.150.147.70
51.150.147.71
51.150.147.72
51.150.147.73
51.150.147.74
51.150.147.75
51.150.147.76
51.150.147.77
51.150.147.78
51.150.147.79
… 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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