203.86.11.64/27

Public

Class C — /27 prefix — 30 usable hosts

Network Address
203.86.11.64
Broadcast Address
203.86.11.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
203.86.11.65
Last Usable IP
203.86.11.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (203.86.11.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 203.86.11.95 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 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 203.86.11.64/27
Network Address 203.86.11.64
Broadcast Address 203.86.11.95
Subnet Mask 255.255.255.224
Wildcard Mask 0.0.0.31
Prefix Length /27
IP Address Class Class C
Total IP Addresses 32
Usable Host Addresses 30
First Usable IP 203.86.11.65
Last Usable IP 203.86.11.94
Network (Hex) 0xCB560B40
Broadcast (Hex) 0xCB560B5F
Address Type Public / Globally Routable

Binary Representation

Network Address
11001011.01010110.00001011 11001011.01010110.00001011.01000000
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 203.86.11.64/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 203.86.11.64/28 203.86.11.64 203.86.11.65 203.86.11.78 203.86.11.79 14
2 203.86.11.80/28 203.86.11.80 203.86.11.81 203.86.11.94 203.86.11.95 14

IP Address Sample

Showing first 16 of 32 total IPs.

203.86.11.64 net
203.86.11.65
203.86.11.66
203.86.11.67
203.86.11.68
203.86.11.69
203.86.11.70
203.86.11.71
203.86.11.72
203.86.11.73
203.86.11.74
203.86.11.75
203.86.11.76
203.86.11.77
203.86.11.78
203.86.11.79
… 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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