18.237.125.0/24

Public

Class A — /24 prefix — 254 usable hosts

Network Address
18.237.125.0
Broadcast Address
18.237.125.255
Subnet Mask
255.255.255.0
Usable Hosts
254
First Usable IP
18.237.125.1
Last Usable IP
18.237.125.254
Total IPs
256
Prefix Length
/24

Network address — the base address of the block (18.237.125.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 18.237.125.255 are delivered to every device in the subnet. Also reserved — not assignable.

Usable hosts — the 254 addresses between those two that you can assign to servers, VMs, or interfaces.

Subnet mask255.255.255.0 is the dotted-decimal equivalent of /24. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation 18.237.125.0/24
Network Address 18.237.125.0
Broadcast Address 18.237.125.255
Subnet Mask 255.255.255.0
Wildcard Mask 0.0.0.255
Prefix Length /24
IP Address Class Class A
Total IP Addresses 256
Usable Host Addresses 254
First Usable IP 18.237.125.1
Last Usable IP 18.237.125.254
Network (Hex) 0x12ED7D00
Broadcast (Hex) 0x12ED7DFF
Address Type Public / Globally Routable

Binary Representation

Network Address
00010010.11101101.01111101 00010010.11101101.01111101.00000000
Subnet Mask
11111111.11111111.11111111.00000000

The first 24 bits (1s in the mask) identify the network. The remaining 8 bits identify hosts within the network.

Subnet Breakdown — splitting into /25

This /24 block can be divided into 2 /25 subnets.

CIDR Network Broadcast First Usable Last Usable Hosts
18.237.125.0/25 18.237.125.0 18.237.125.127 18.237.125.1 18.237.125.126 126
18.237.125.128/25 18.237.125.128 18.237.125.255 18.237.125.129 18.237.125.254 126

IP Address Sample

Showing first 16 of 256 total IPs.

18.237.125.0 net
18.237.125.1
18.237.125.2
18.237.125.3
18.237.125.4
18.237.125.5
18.237.125.6
18.237.125.7
18.237.125.8
18.237.125.9
18.237.125.10
18.237.125.11
18.237.125.12
18.237.125.13
18.237.125.14
18.237.125.15
… 240 more IPs …

/24 Subnet Reference

Total IPs 256
Usable Hosts 254
Subnet Mask 255.255.255.0
Wildcard 0.0.0.255

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