78.12.61.0/24

Public

Class A — /24 prefix — 254 usable hosts

Network Address
78.12.61.0
Broadcast Address
78.12.61.255
Subnet Mask
255.255.255.0
Usable Hosts
254
First Usable IP
78.12.61.1
Last Usable IP
78.12.61.254
Total IPs
256
Prefix Length
/24

Network address — the base address of the block (78.12.61.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 78.12.61.255 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 78.12.61.0/24
Network Address 78.12.61.0
Broadcast Address 78.12.61.255
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 78.12.61.1
Last Usable IP 78.12.61.254
Network (Hex) 0x4E0C3D00
Broadcast (Hex) 0x4E0C3DFF
Address Type Public / Globally Routable

Binary Representation

Network Address
01001110.00001100.00111101 01001110.00001100.00111101.00000000
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.

Split into Equal Subnets

Split 78.12.61.0/24 into 2 equal /25 subnets (126 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 78.12.61.0/25 78.12.61.0 78.12.61.1 78.12.61.126 78.12.61.127 126
2 78.12.61.128/25 78.12.61.128 78.12.61.129 78.12.61.254 78.12.61.255 126

IP Address Sample

Showing first 16 of 256 total IPs.

78.12.61.0 net
78.12.61.1
78.12.61.2
78.12.61.3
78.12.61.4
78.12.61.5
78.12.61.6
78.12.61.7
78.12.61.8
78.12.61.9
78.12.61.10
78.12.61.11
78.12.61.12
78.12.61.13
78.12.61.14
78.12.61.15
… 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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