13.237.85.64/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
13.237.85.64
Broadcast Address
13.237.85.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
13.237.85.65
Last Usable IP
13.237.85.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (13.237.85.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 13.237.85.95 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 13.237.85.64/27
Network Address 13.237.85.64
Broadcast Address 13.237.85.95
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 13.237.85.65
Last Usable IP 13.237.85.94
Network (Hex) 0x0DED5540
Broadcast (Hex) 0x0DED555F
Address Type Public / Globally Routable

Binary Representation

Network Address
00001101.11101101.01010101 00001101.11101101.01010101.01000000
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.

Subnet Breakdown — splitting into /28

This /27 block can be divided into 2 /28 subnets.

CIDR Network Broadcast First Usable Last Usable Hosts
13.237.85.64/28 13.237.85.64 13.237.85.79 13.237.85.65 13.237.85.78 14
13.237.85.80/28 13.237.85.80 13.237.85.95 13.237.85.81 13.237.85.94 14

IP Address Sample

Showing first 16 of 32 total IPs.

13.237.85.64 net
13.237.85.65
13.237.85.66
13.237.85.67
13.237.85.68
13.237.85.69
13.237.85.70
13.237.85.71
13.237.85.72
13.237.85.73
13.237.85.74
13.237.85.75
13.237.85.76
13.237.85.77
13.237.85.78
13.237.85.79
… 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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