15.197.17.0/26

Public

Class A — /26 prefix — 62 usable hosts

Network Address
15.197.17.0
Broadcast Address
15.197.17.63
Subnet Mask
255.255.255.192
Usable Hosts
62
First Usable IP
15.197.17.1
Last Usable IP
15.197.17.62
Total IPs
64
Prefix Length
/26

Network address — the base address of the block (15.197.17.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 15.197.17.63 are delivered to every device in the subnet. Also reserved — not assignable.

Usable hosts — the 62 addresses between those two that you can assign to servers, VMs, or interfaces.

Subnet mask255.255.255.192 is the dotted-decimal equivalent of /26. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation 15.197.17.0/26
Network Address 15.197.17.0
Broadcast Address 15.197.17.63
Subnet Mask 255.255.255.192
Wildcard Mask 0.0.0.63
Prefix Length /26
IP Address Class Class A
Total IP Addresses 64
Usable Host Addresses 62
First Usable IP 15.197.17.1
Last Usable IP 15.197.17.62
Network (Hex) 0x0FC51100
Broadcast (Hex) 0x0FC5113F
Address Type Public / Globally Routable

Binary Representation

Network Address
00001111.11000101.00010001 00001111.11000101.00010001.00000000
Subnet Mask
11111111.11111111.11111111.11000000

The first 26 bits (1s in the mask) identify the network. The remaining 6 bits identify hosts within the network.

Subnet Breakdown — splitting into /27

This /26 block can be divided into 2 /27 subnets.

CIDR Network Broadcast First Usable Last Usable Hosts
15.197.17.0/27 15.197.17.0 15.197.17.31 15.197.17.1 15.197.17.30 30
15.197.17.32/27 15.197.17.32 15.197.17.63 15.197.17.33 15.197.17.62 30

IP Address Sample

Showing first 16 of 64 total IPs.

15.197.17.0 net
15.197.17.1
15.197.17.2
15.197.17.3
15.197.17.4
15.197.17.5
15.197.17.6
15.197.17.7
15.197.17.8
15.197.17.9
15.197.17.10
15.197.17.11
15.197.17.12
15.197.17.13
15.197.17.14
15.197.17.15
… 48 more IPs …

/26 Subnet Reference

Total IPs 64
Usable Hosts 62
Subnet Mask 255.255.255.192
Wildcard 0.0.0.63

Calculate Another