IPRangeExplorer

11.31.192.64/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
11.31.192.64
Broadcast Address
11.31.192.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
11.31.192.65
Last Usable IP
11.31.192.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (11.31.192.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 11.31.192.95 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 11.31.192.64/27
Network Address 11.31.192.64
Broadcast Address 11.31.192.95
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 11.31.192.65
Last Usable IP 11.31.192.94
Network (Hex) 0x0B1FC040
Broadcast (Hex) 0x0B1FC05F
Address Type Public / Globally Routable

Binary Representation

Network Address
00001011.00011111.11000000 00001011.00011111.11000000.01000000
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 11.31.192.64/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 11.31.192.64/28 11.31.192.64 11.31.192.65 11.31.192.78 11.31.192.79 14
2 11.31.192.80/28 11.31.192.80 11.31.192.81 11.31.192.94 11.31.192.95 14

IP Address Sample

Showing first 16 of 32 total IPs.

11.31.192.64 net
11.31.192.65
11.31.192.66
11.31.192.67
11.31.192.68
11.31.192.69
11.31.192.70
11.31.192.71
11.31.192.72
11.31.192.73
11.31.192.74
11.31.192.75
11.31.192.76
11.31.192.77
11.31.192.78
11.31.192.79
… 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 11.31.192.64/26 Sibling /27 block 11.31.192.96/27

Adjacent Prefix Sizes

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

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