100.84.255.32/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
100.84.255.32
Broadcast Address
100.84.255.63
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
100.84.255.33
Last Usable IP
100.84.255.62
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (100.84.255.32). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 100.84.255.63 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 100.84.255.32/27
Network Address 100.84.255.32
Broadcast Address 100.84.255.63
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 100.84.255.33
Last Usable IP 100.84.255.62
Network (Hex) 0x6454FF20
Broadcast (Hex) 0x6454FF3F
Address Type Public / Globally Routable

Binary Representation

Network Address
01100100.01010100.11111111 01100100.01010100.11111111.00100000
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 100.84.255.32/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 100.84.255.32/28 100.84.255.32 100.84.255.33 100.84.255.46 100.84.255.47 14
2 100.84.255.48/28 100.84.255.48 100.84.255.49 100.84.255.62 100.84.255.63 14

IP Address Sample

Showing first 16 of 32 total IPs.

100.84.255.32 net
100.84.255.33
100.84.255.34
100.84.255.35
100.84.255.36
100.84.255.37
100.84.255.38
100.84.255.39
100.84.255.40
100.84.255.41
100.84.255.42
100.84.255.43
100.84.255.44
100.84.255.45
100.84.255.46
100.84.255.47
… 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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