251.75.238.32/27

Public

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

Network Address
251.75.238.32
Broadcast Address
251.75.238.63
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
251.75.238.33
Last Usable IP
251.75.238.62
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (251.75.238.32). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 251.75.238.63 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 251.75.238.32/27
Network Address 251.75.238.32
Broadcast Address 251.75.238.63
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 251.75.238.33
Last Usable IP 251.75.238.62
Network (Hex) 0xFB4BEE20
Broadcast (Hex) 0xFB4BEE3F
Address Type Public / Globally Routable

Binary Representation

Network Address
11111011.01001011.11101110 11111011.01001011.11101110.00100000
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 251.75.238.32/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 251.75.238.32/28 251.75.238.32 251.75.238.33 251.75.238.46 251.75.238.47 14
2 251.75.238.48/28 251.75.238.48 251.75.238.49 251.75.238.62 251.75.238.63 14

IP Address Sample

Showing first 16 of 32 total IPs.

251.75.238.32 net
251.75.238.33
251.75.238.34
251.75.238.35
251.75.238.36
251.75.238.37
251.75.238.38
251.75.238.39
251.75.238.40
251.75.238.41
251.75.238.42
251.75.238.43
251.75.238.44
251.75.238.45
251.75.238.46
251.75.238.47
… 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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