100.80.252.224/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
100.80.252.224
Broadcast Address
100.80.252.255
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
100.80.252.225
Last Usable IP
100.80.252.254
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (100.80.252.224). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 100.80.252.255 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 100.80.252.224/27
Network Address 100.80.252.224
Broadcast Address 100.80.252.255
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 100.80.252.225
Last Usable IP 100.80.252.254
Network (Hex) 0x6450FCE0
Broadcast (Hex) 0x6450FCFF
Address Type Public / Globally Routable

Binary Representation

Network Address
01100100.01010000.11111100 01100100.01010000.11111100.11100000
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 100.80.252.224/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 100.80.252.224/28 100.80.252.224 100.80.252.225 100.80.252.238 100.80.252.239 14
2 100.80.252.240/28 100.80.252.240 100.80.252.241 100.80.252.254 100.80.252.255 14

IP Address Sample

Showing first 16 of 32 total IPs.

100.80.252.224 net
100.80.252.225
100.80.252.226
100.80.252.227
100.80.252.228
100.80.252.229
100.80.252.230
100.80.252.231
100.80.252.232
100.80.252.233
100.80.252.234
100.80.252.235
100.80.252.236
100.80.252.237
100.80.252.238
100.80.252.239
… 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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