15.197.46.64/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
15.197.46.64
Broadcast Address
15.197.46.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
15.197.46.65
Last Usable IP
15.197.46.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (15.197.46.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 15.197.46.95 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 15.197.46.64/27
Network Address 15.197.46.64
Broadcast Address 15.197.46.95
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 15.197.46.65
Last Usable IP 15.197.46.94
Network (Hex) 0x0FC52E40
Broadcast (Hex) 0x0FC52E5F
Address Type Public / Globally Routable

Binary Representation

Network Address
00001111.11000101.00101110 00001111.11000101.00101110.01000000
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
15.197.46.64/28 15.197.46.64 15.197.46.79 15.197.46.65 15.197.46.78 14
15.197.46.80/28 15.197.46.80 15.197.46.95 15.197.46.81 15.197.46.94 14

IP Address Sample

Showing first 16 of 32 total IPs.

15.197.46.64 net
15.197.46.65
15.197.46.66
15.197.46.67
15.197.46.68
15.197.46.69
15.197.46.70
15.197.46.71
15.197.46.72
15.197.46.73
15.197.46.74
15.197.46.75
15.197.46.76
15.197.46.77
15.197.46.78
15.197.46.79
… 16 more IPs …

/27 Subnet Reference

Total IPs 32
Usable Hosts 30
Subnet Mask 255.255.255.224
Wildcard 0.0.0.31

Calculate Another