65.3.126.32/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
65.3.126.32
Broadcast Address
65.3.126.63
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
65.3.126.33
Last Usable IP
65.3.126.62
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (65.3.126.32). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 65.3.126.63 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 65.3.126.32/27
Network Address 65.3.126.32
Broadcast Address 65.3.126.63
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 65.3.126.33
Last Usable IP 65.3.126.62
Network (Hex) 0x41037E20
Broadcast (Hex) 0x41037E3F
Address Type Public / Globally Routable

Binary Representation

Network Address
01000001.00000011.01111110 01000001.00000011.01111110.00100000
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 65.3.126.32/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 65.3.126.32/28 65.3.126.32 65.3.126.33 65.3.126.46 65.3.126.47 14
2 65.3.126.48/28 65.3.126.48 65.3.126.49 65.3.126.62 65.3.126.63 14

IP Address Sample

Showing first 16 of 32 total IPs.

65.3.126.32 net
65.3.126.33
65.3.126.34
65.3.126.35
65.3.126.36
65.3.126.37
65.3.126.38
65.3.126.39
65.3.126.40
65.3.126.41
65.3.126.42
65.3.126.43
65.3.126.44
65.3.126.45
65.3.126.46
65.3.126.47
… 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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