205.251.203.64/26

Public

Class C — /26 prefix — 62 usable hosts

Network Address
205.251.203.64
Broadcast Address
205.251.203.127
Subnet Mask
255.255.255.192
Usable Hosts
62
First Usable IP
205.251.203.65
Last Usable IP
205.251.203.126
Total IPs
64
Prefix Length
/26

Network address — the base address of the block (205.251.203.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 205.251.203.127 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 205.251.203.64/26
Network Address 205.251.203.64
Broadcast Address 205.251.203.127
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 205.251.203.65
Last Usable IP 205.251.203.126
Network (Hex) 0xCDFBCB40
Broadcast (Hex) 0xCDFBCB7F
Address Type Public / Globally Routable

Binary Representation

Network Address
11001101.11111011.11001011 11001101.11111011.11001011.01000000
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.

Subnet Breakdown — splitting into /27

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

CIDR Network Broadcast First Usable Last Usable Hosts
205.251.203.64/27 205.251.203.64 205.251.203.95 205.251.203.65 205.251.203.94 30
205.251.203.96/27 205.251.203.96 205.251.203.127 205.251.203.97 205.251.203.126 30

IP Address Sample

Showing first 16 of 64 total IPs.

205.251.203.64 net
205.251.203.65
205.251.203.66
205.251.203.67
205.251.203.68
205.251.203.69
205.251.203.70
205.251.203.71
205.251.203.72
205.251.203.73
205.251.203.74
205.251.203.75
205.251.203.76
205.251.203.77
205.251.203.78
205.251.203.79
… 48 more IPs …

/26 Subnet Reference

Total IPs 64
Usable Hosts 62
Subnet Mask 255.255.255.192
Wildcard 0.0.0.63

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