203.226.17.64/26

Public

Class C — /26 prefix — 62 usable hosts

Network Address
203.226.17.64
Broadcast Address
203.226.17.127
Subnet Mask
255.255.255.192
Usable Hosts
62
First Usable IP
203.226.17.65
Last Usable IP
203.226.17.126
Total IPs
64
Prefix Length
/26

Network address — the base address of the block (203.226.17.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 203.226.17.127 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 203.226.17.64/26
Network Address 203.226.17.64
Broadcast Address 203.226.17.127
Subnet Mask 255.255.255.192
Wildcard Mask 0.0.0.63
Prefix Length /26
IP Address Class Class C
Total IP Addresses 64
Usable Host Addresses 62
First Usable IP 203.226.17.65
Last Usable IP 203.226.17.126
Network (Hex) 0xCBE21140
Broadcast (Hex) 0xCBE2117F
Address Type Public / Globally Routable

Binary Representation

Network Address
11001011.11100010.00010001 11001011.11100010.00010001.01000000
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.

Split into Equal Subnets

Split 203.226.17.64/26 into 2 equal /27 subnets (30 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 203.226.17.64/27 203.226.17.64 203.226.17.65 203.226.17.94 203.226.17.95 30
2 203.226.17.96/27 203.226.17.96 203.226.17.97 203.226.17.126 203.226.17.127 30

IP Address Sample

Showing first 16 of 64 total IPs.

203.226.17.64 net
203.226.17.65
203.226.17.66
203.226.17.67
203.226.17.68
203.226.17.69
203.226.17.70
203.226.17.71
203.226.17.72
203.226.17.73
203.226.17.74
203.226.17.75
203.226.17.76
203.226.17.77
203.226.17.78
203.226.17.79
… 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