203.66.227.64/26

Public

Class C — /26 prefix — 62 usable hosts

Network Address
203.66.227.64
Broadcast Address
203.66.227.127
Subnet Mask
255.255.255.192
Usable Hosts
62
First Usable IP
203.66.227.65
Last Usable IP
203.66.227.126
Total IPs
64
Prefix Length
/26

Network address — the base address of the block (203.66.227.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 203.66.227.127 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 203.66.227.64/26
Network Address 203.66.227.64
Broadcast Address 203.66.227.127
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 203.66.227.65
Last Usable IP 203.66.227.126
Network (Hex) 0xCB42E340
Broadcast (Hex) 0xCB42E37F
Address Type Public / Globally Routable

Binary Representation

Network Address
11001011.01000010.11100011 11001011.01000010.11100011.01000000
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 203.66.227.64/26 into 2 equal /27 subnets (30 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 203.66.227.64/27 203.66.227.64 203.66.227.65 203.66.227.94 203.66.227.95 30
2 203.66.227.96/27 203.66.227.96 203.66.227.97 203.66.227.126 203.66.227.127 30

IP Address Sample

Showing first 16 of 64 total IPs.

203.66.227.64 net
203.66.227.65
203.66.227.66
203.66.227.67
203.66.227.68
203.66.227.69
203.66.227.70
203.66.227.71
203.66.227.72
203.66.227.73
203.66.227.74
203.66.227.75
203.66.227.76
203.66.227.77
203.66.227.78
203.66.227.79
… 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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