65.0.126.64/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
65.0.126.64
Broadcast Address
65.0.126.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
65.0.126.65
Last Usable IP
65.0.126.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (65.0.126.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 65.0.126.95 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 65.0.126.64/27
Network Address 65.0.126.64
Broadcast Address 65.0.126.95
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 65.0.126.65
Last Usable IP 65.0.126.94
Network (Hex) 0x41007E40
Broadcast (Hex) 0x41007E5F
Address Type Public / Globally Routable

Binary Representation

Network Address
01000001.00000000.01111110 01000001.00000000.01111110.01000000
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.

Split into Equal Subnets

Split 65.0.126.64/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 65.0.126.64/28 65.0.126.64 65.0.126.65 65.0.126.78 65.0.126.79 14
2 65.0.126.80/28 65.0.126.80 65.0.126.81 65.0.126.94 65.0.126.95 14

IP Address Sample

Showing first 16 of 32 total IPs.

65.0.126.64 net
65.0.126.65
65.0.126.66
65.0.126.67
65.0.126.68
65.0.126.69
65.0.126.70
65.0.126.71
65.0.126.72
65.0.126.73
65.0.126.74
65.0.126.75
65.0.126.76
65.0.126.77
65.0.126.78
65.0.126.79
… 16 more IPs …

/27 Subnet Reference

Total IPs 32
Usable Hosts 30
Subnet Mask 255.255.255.224
Wildcard 0.0.0.31

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