172.2.248.32/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
172.2.248.32
Broadcast Address
172.2.248.63
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
172.2.248.33
Last Usable IP
172.2.248.62
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (172.2.248.32). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 172.2.248.63 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 172.2.248.32/27
Network Address 172.2.248.32
Broadcast Address 172.2.248.63
Subnet Mask 255.255.255.224
Wildcard Mask 0.0.0.31
Prefix Length /27
IP Address Class Class B
Total IP Addresses 32
Usable Host Addresses 30
First Usable IP 172.2.248.33
Last Usable IP 172.2.248.62
Network (Hex) 0xAC02F820
Broadcast (Hex) 0xAC02F83F
Address Type Public / Globally Routable

Binary Representation

Network Address
10101100.00000010.11111000 10101100.00000010.11111000.00100000
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 172.2.248.32/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 172.2.248.32/28 172.2.248.32 172.2.248.33 172.2.248.46 172.2.248.47 14
2 172.2.248.48/28 172.2.248.48 172.2.248.49 172.2.248.62 172.2.248.63 14

IP Address Sample

Showing first 16 of 32 total IPs.

172.2.248.32 net
172.2.248.33
172.2.248.34
172.2.248.35
172.2.248.36
172.2.248.37
172.2.248.38
172.2.248.39
172.2.248.40
172.2.248.41
172.2.248.42
172.2.248.43
172.2.248.44
172.2.248.45
172.2.248.46
172.2.248.47
… 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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