75.3.36.64/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
75.3.36.64
Broadcast Address
75.3.36.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
75.3.36.65
Last Usable IP
75.3.36.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (75.3.36.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 75.3.36.95 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 75.3.36.64/27
Network Address 75.3.36.64
Broadcast Address 75.3.36.95
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 75.3.36.65
Last Usable IP 75.3.36.94
Network (Hex) 0x4B032440
Broadcast (Hex) 0x4B03245F
Address Type Public / Globally Routable

Binary Representation

Network Address
01001011.00000011.00100100 01001011.00000011.00100100.01000000
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 75.3.36.64/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 75.3.36.64/28 75.3.36.64 75.3.36.65 75.3.36.78 75.3.36.79 14
2 75.3.36.80/28 75.3.36.80 75.3.36.81 75.3.36.94 75.3.36.95 14

IP Address Sample

Showing first 16 of 32 total IPs.

75.3.36.64 net
75.3.36.65
75.3.36.66
75.3.36.67
75.3.36.68
75.3.36.69
75.3.36.70
75.3.36.71
75.3.36.72
75.3.36.73
75.3.36.74
75.3.36.75
75.3.36.76
75.3.36.77
75.3.36.78
75.3.36.79
… 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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