IPRangeExplorer

11.1.33.32/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
11.1.33.32
Broadcast Address
11.1.33.63
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
11.1.33.33
Last Usable IP
11.1.33.62
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (11.1.33.32). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 11.1.33.63 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 mask — 255.255.255.224 is the dotted-decimal equivalent of /27. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation 11.1.33.32/27
Network Address 11.1.33.32
Broadcast Address 11.1.33.63
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 11.1.33.33
Last Usable IP 11.1.33.62
Network (Hex) 0x0B012120
Broadcast (Hex) 0x0B01213F
Address Type Public / Globally Routable

Binary Representation

Network Address
00001011.00000001.00100001 00001011.00000001.00100001.00100000
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 11.1.33.32/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 11.1.33.32/28 11.1.33.32 11.1.33.33 11.1.33.46 11.1.33.47 14
2 11.1.33.48/28 11.1.33.48 11.1.33.49 11.1.33.62 11.1.33.63 14

IP Address Sample

Showing first 16 of 32 total IPs.

11.1.33.32 net
11.1.33.33
11.1.33.34
11.1.33.35
11.1.33.36
11.1.33.37
11.1.33.38
11.1.33.39
11.1.33.40
11.1.33.41
11.1.33.42
11.1.33.43
11.1.33.44
11.1.33.45
11.1.33.46
11.1.33.47
… 16 more IPs …

/27 Subnet Reference

Total IPs 32
Usable Hosts 30
Subnet Mask 255.255.255.224
Wildcard 0.0.0.31
Full /27 reference →

Related Ranges

Parent /26 block 11.1.33.0/26 Sibling /27 block 11.1.33.0/27

Adjacent Prefix Sizes

/25 126 hosts /26 62 hosts /27 30 hosts /28 14 hosts /29 6 hosts

Calculate Another