16.252.123.64/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
16.252.123.64
Broadcast Address
16.252.123.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
16.252.123.65
Last Usable IP
16.252.123.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (16.252.123.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 16.252.123.95 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 16.252.123.64/27
Network Address 16.252.123.64
Broadcast Address 16.252.123.95
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 16.252.123.65
Last Usable IP 16.252.123.94
Network (Hex) 0x10FC7B40
Broadcast (Hex) 0x10FC7B5F
Address Type Public / Globally Routable

Binary Representation

Network Address
00010000.11111100.01111011 00010000.11111100.01111011.01000000
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 16.252.123.64/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 16.252.123.64/28 16.252.123.64 16.252.123.65 16.252.123.78 16.252.123.79 14
2 16.252.123.80/28 16.252.123.80 16.252.123.81 16.252.123.94 16.252.123.95 14

IP Address Sample

Showing first 16 of 32 total IPs.

16.252.123.64 net
16.252.123.65
16.252.123.66
16.252.123.67
16.252.123.68
16.252.123.69
16.252.123.70
16.252.123.71
16.252.123.72
16.252.123.73
16.252.123.74
16.252.123.75
16.252.123.76
16.252.123.77
16.252.123.78
16.252.123.79
… 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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