16.57.154.32/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
16.57.154.32
Broadcast Address
16.57.154.63
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
16.57.154.33
Last Usable IP
16.57.154.62
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (16.57.154.32). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 16.57.154.63 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 16.57.154.32/27
Network Address 16.57.154.32
Broadcast Address 16.57.154.63
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 16.57.154.33
Last Usable IP 16.57.154.62
Network (Hex) 0x10399A20
Broadcast (Hex) 0x10399A3F
Address Type Public / Globally Routable

Binary Representation

Network Address
00010000.00111001.10011010 00010000.00111001.10011010.00100000
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 16.57.154.32/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 16.57.154.32/28 16.57.154.32 16.57.154.33 16.57.154.46 16.57.154.47 14
2 16.57.154.48/28 16.57.154.48 16.57.154.49 16.57.154.62 16.57.154.63 14

IP Address Sample

Showing first 16 of 32 total IPs.

16.57.154.32 net
16.57.154.33
16.57.154.34
16.57.154.35
16.57.154.36
16.57.154.37
16.57.154.38
16.57.154.39
16.57.154.40
16.57.154.41
16.57.154.42
16.57.154.43
16.57.154.44
16.57.154.45
16.57.154.46
16.57.154.47
… 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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