75.1.64.32/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
75.1.64.32
Broadcast Address
75.1.64.63
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
75.1.64.33
Last Usable IP
75.1.64.62
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (75.1.64.32). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 75.1.64.63 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 75.1.64.32/27
Network Address 75.1.64.32
Broadcast Address 75.1.64.63
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 75.1.64.33
Last Usable IP 75.1.64.62
Network (Hex) 0x4B014020
Broadcast (Hex) 0x4B01403F
Address Type Public / Globally Routable

Binary Representation

Network Address
01001011.00000001.01000000 01001011.00000001.01000000.00100000
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 75.1.64.32/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 75.1.64.32/28 75.1.64.32 75.1.64.33 75.1.64.46 75.1.64.47 14
2 75.1.64.48/28 75.1.64.48 75.1.64.49 75.1.64.62 75.1.64.63 14

IP Address Sample

Showing first 16 of 32 total IPs.

75.1.64.32 net
75.1.64.33
75.1.64.34
75.1.64.35
75.1.64.36
75.1.64.37
75.1.64.38
75.1.64.39
75.1.64.40
75.1.64.41
75.1.64.42
75.1.64.43
75.1.64.44
75.1.64.45
75.1.64.46
75.1.64.47
… 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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