51.16.103.32/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
51.16.103.32
Broadcast Address
51.16.103.63
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
51.16.103.33
Last Usable IP
51.16.103.62
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (51.16.103.32). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 51.16.103.63 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 51.16.103.32/27
Network Address 51.16.103.32
Broadcast Address 51.16.103.63
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 51.16.103.33
Last Usable IP 51.16.103.62
Network (Hex) 0x33106720
Broadcast (Hex) 0x3310673F
Address Type Public / Globally Routable

Binary Representation

Network Address
00110011.00010000.01100111 00110011.00010000.01100111.00100000
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 51.16.103.32/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 51.16.103.32/28 51.16.103.32 51.16.103.33 51.16.103.46 51.16.103.47 14
2 51.16.103.48/28 51.16.103.48 51.16.103.49 51.16.103.62 51.16.103.63 14

IP Address Sample

Showing first 16 of 32 total IPs.

51.16.103.32 net
51.16.103.33
51.16.103.34
51.16.103.35
51.16.103.36
51.16.103.37
51.16.103.38
51.16.103.39
51.16.103.40
51.16.103.41
51.16.103.42
51.16.103.43
51.16.103.44
51.16.103.45
51.16.103.46
51.16.103.47
… 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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