1.178.75.0/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
1.178.75.0
Broadcast Address
1.178.75.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
1.178.75.1
Last Usable IP
1.178.75.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (1.178.75.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 1.178.75.31 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 1.178.75.0/27
Network Address 1.178.75.0
Broadcast Address 1.178.75.31
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 1.178.75.1
Last Usable IP 1.178.75.30
Network (Hex) 0x01B24B00
Broadcast (Hex) 0x01B24B1F
Address Type Public / Globally Routable

Binary Representation

Network Address
00000001.10110010.01001011 00000001.10110010.01001011.00000000
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
1.178.75.0/28 1.178.75.0 1.178.75.15 1.178.75.1 1.178.75.14 14
1.178.75.16/28 1.178.75.16 1.178.75.31 1.178.75.17 1.178.75.30 14

IP Address Sample

Showing first 16 of 32 total IPs.

1.178.75.0 net
1.178.75.1
1.178.75.2
1.178.75.3
1.178.75.4
1.178.75.5
1.178.75.6
1.178.75.7
1.178.75.8
1.178.75.9
1.178.75.10
1.178.75.11
1.178.75.12
1.178.75.13
1.178.75.14
1.178.75.15
… 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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