IPRangeExplorer

16.12.5.32/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
16.12.5.32
Broadcast Address
16.12.5.63
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
16.12.5.33
Last Usable IP
16.12.5.62
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (16.12.5.32). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 16.12.5.63 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 mask — 255.255.255.224 is the dotted-decimal equivalent of /27. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation 16.12.5.32/27
Network Address 16.12.5.32
Broadcast Address 16.12.5.63
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 16.12.5.33
Last Usable IP 16.12.5.62
Network (Hex) 0x100C0520
Broadcast (Hex) 0x100C053F
Address Type Public / Globally Routable

Binary Representation

Network Address
00010000.00001100.00000101 00010000.00001100.00000101.00100000
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 16.12.5.32/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 16.12.5.32/28 16.12.5.32 16.12.5.33 16.12.5.46 16.12.5.47 14
2 16.12.5.48/28 16.12.5.48 16.12.5.49 16.12.5.62 16.12.5.63 14

IP Address Sample

Showing first 16 of 32 total IPs.

16.12.5.32 net
16.12.5.33
16.12.5.34
16.12.5.35
16.12.5.36
16.12.5.37
16.12.5.38
16.12.5.39
16.12.5.40
16.12.5.41
16.12.5.42
16.12.5.43
16.12.5.44
16.12.5.45
16.12.5.46
16.12.5.47
… 16 more IPs …

/27 Subnet Reference

Total IPs 32
Usable Hosts 30
Subnet Mask 255.255.255.224
Wildcard 0.0.0.31
Full /27 reference →

Related Ranges

Parent /26 block 16.12.5.0/26 Sibling /27 block 16.12.5.0/27

Adjacent Prefix Sizes

/25 126 hosts /26 62 hosts /27 30 hosts /28 14 hosts /29 6 hosts

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