252.151.75.64/27

Public

Class E (Reserved) — /27 prefix — 30 usable hosts

Network Address
252.151.75.64
Broadcast Address
252.151.75.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
252.151.75.65
Last Usable IP
252.151.75.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (252.151.75.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 252.151.75.95 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 252.151.75.64/27
Network Address 252.151.75.64
Broadcast Address 252.151.75.95
Subnet Mask 255.255.255.224
Wildcard Mask 0.0.0.31
Prefix Length /27
IP Address Class Class E (Reserved)
Total IP Addresses 32
Usable Host Addresses 30
First Usable IP 252.151.75.65
Last Usable IP 252.151.75.94
Network (Hex) 0xFC974B40
Broadcast (Hex) 0xFC974B5F
Address Type Public / Globally Routable

Binary Representation

Network Address
11111100.10010111.01001011 11111100.10010111.01001011.01000000
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 252.151.75.64/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 252.151.75.64/28 252.151.75.64 252.151.75.65 252.151.75.78 252.151.75.79 14
2 252.151.75.80/28 252.151.75.80 252.151.75.81 252.151.75.94 252.151.75.95 14

IP Address Sample

Showing first 16 of 32 total IPs.

252.151.75.64 net
252.151.75.65
252.151.75.66
252.151.75.67
252.151.75.68
252.151.75.69
252.151.75.70
252.151.75.71
252.151.75.72
252.151.75.73
252.151.75.74
252.151.75.75
252.151.75.76
252.151.75.77
252.151.75.78
252.151.75.79
… 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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