11.77.243.0/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
11.77.243.0
Broadcast Address
11.77.243.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
11.77.243.1
Last Usable IP
11.77.243.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (11.77.243.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 11.77.243.31 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 11.77.243.0/27
Network Address 11.77.243.0
Broadcast Address 11.77.243.31
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 11.77.243.1
Last Usable IP 11.77.243.30
Network (Hex) 0x0B4DF300
Broadcast (Hex) 0x0B4DF31F
Address Type Public / Globally Routable

Binary Representation

Network Address
00001011.01001101.11110011 00001011.01001101.11110011.00000000
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 11.77.243.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 11.77.243.0/28 11.77.243.0 11.77.243.1 11.77.243.14 11.77.243.15 14
2 11.77.243.16/28 11.77.243.16 11.77.243.17 11.77.243.30 11.77.243.31 14

IP Address Sample

Showing first 16 of 32 total IPs.

11.77.243.0 net
11.77.243.1
11.77.243.2
11.77.243.3
11.77.243.4
11.77.243.5
11.77.243.6
11.77.243.7
11.77.243.8
11.77.243.9
11.77.243.10
11.77.243.11
11.77.243.12
11.77.243.13
11.77.243.14
11.77.243.15
… 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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