11.90.191.32/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
11.90.191.32
Broadcast Address
11.90.191.63
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
11.90.191.33
Last Usable IP
11.90.191.62
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (11.90.191.32). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 11.90.191.63 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 11.90.191.32/27
Network Address 11.90.191.32
Broadcast Address 11.90.191.63
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 11.90.191.33
Last Usable IP 11.90.191.62
Network (Hex) 0x0B5ABF20
Broadcast (Hex) 0x0B5ABF3F
Address Type Public / Globally Routable

Binary Representation

Network Address
00001011.01011010.10111111 00001011.01011010.10111111.00100000
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 11.90.191.32/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 11.90.191.32/28 11.90.191.32 11.90.191.33 11.90.191.46 11.90.191.47 14
2 11.90.191.48/28 11.90.191.48 11.90.191.49 11.90.191.62 11.90.191.63 14

IP Address Sample

Showing first 16 of 32 total IPs.

11.90.191.32 net
11.90.191.33
11.90.191.34
11.90.191.35
11.90.191.36
11.90.191.37
11.90.191.38
11.90.191.39
11.90.191.40
11.90.191.41
11.90.191.42
11.90.191.43
11.90.191.44
11.90.191.45
11.90.191.46
11.90.191.47
… 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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