4.252.100.64/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
4.252.100.64
Broadcast Address
4.252.100.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
4.252.100.65
Last Usable IP
4.252.100.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (4.252.100.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 4.252.100.95 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 4.252.100.64/27
Network Address 4.252.100.64
Broadcast Address 4.252.100.95
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 4.252.100.65
Last Usable IP 4.252.100.94
Network (Hex) 0x04FC6440
Broadcast (Hex) 0x04FC645F
Address Type Public / Globally Routable

Binary Representation

Network Address
00000100.11111100.01100100 00000100.11111100.01100100.01000000
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.

Subnet Breakdown — splitting into /28

This /27 block can be divided into 2 /28 subnets.

CIDR Network Broadcast First Usable Last Usable Hosts
4.252.100.64/28 4.252.100.64 4.252.100.79 4.252.100.65 4.252.100.78 14
4.252.100.80/28 4.252.100.80 4.252.100.95 4.252.100.81 4.252.100.94 14

IP Address Sample

Showing first 16 of 32 total IPs.

4.252.100.64 net
4.252.100.65
4.252.100.66
4.252.100.67
4.252.100.68
4.252.100.69
4.252.100.70
4.252.100.71
4.252.100.72
4.252.100.73
4.252.100.74
4.252.100.75
4.252.100.76
4.252.100.77
4.252.100.78
4.252.100.79
… 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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