Subnet Calculator

IPv4 Subnet Calculator

Subnet Details

IP Address:

Subnet Mask: | CIDR:

Default Gateway:

Host Address Range:

Subnet ID:

Broadcast Address:

Hosts per Subnet:

Total Addresses:

Status:

IP Type:

Subnet Range:

Usable Host Count as Percentage:



Wildcard Mask:

Maximum Subnets:

Subnet Increment:

Next Subnet Example:

Reserved Addresses:

Network Class:

First Octet Range:

Previous Subnet Example:

Parent Network:



Subnet Bits:

Host Bits:

Subnet Size:

Hex IP Address:

Subnet ID (Hex):

IP Binary:

Mask Binary:

Subnet Bitmap:

Broadcast Binary:

Integer IP Address:

Integer Subnet ID:

Integer Broadcast:

IPv6 Subnet Calculator

IPv6 Subnet Details

Expanded Address:

Compressed Address:

Mask Bits:

CIDR Notation:

Address Range Start:

Address Range End:

Usable Addresses:

Available Subnets:



Subnet ID:

Total Addresses:

Status:

Default Gateway (Suggested):



Subnet Prefix:

Next Subnet Example:

Previous Subnet Example:

Parent Network:

Subnet Increment:



Host Bits:

Subnet Bits:

Subnet Size:

Address Binary:

Subnet ID Binary:

Hex Subnet ID:

Integer Address:

Integer Subnet ID:

CIDR Calculator

CIDR Details

CIDR Netmask:

Mask Bits:

Wildcard Mask:

Maximum Subnets:

Maximum Addresses:

CIDR Network (Route):

Net: CIDR Notation:

CIDR Address Range:

Subnet ID:

Broadcast Address:

Usable Addresses:

Status:

Subnet Increment:

Next CIDR Block:

Previous CIDR Block:

Parent Network:

Netmask Binary:

Subnet ID Binary:

Broadcast Binary:

Subnet ID (Hex):

Broadcast (Hex):

Integer Subnet ID:

Integer Broadcast:

CIDR Bitmap:

Wildcard Mask Calculator

Wildcard Range Details

IP Address:

Wildcard Mask:

First Address:

Last Address:

Subnet Mask Equivalent:

CIDR Notation:

Total Addresses:

Address Range:

Status:

IP Binary:

Wildcard Binary:

First Address Binary:

Last Address Binary:

Hex IP Address:

Hex Wildcard Mask:

Hex First Address:

Hex Last Address:

Integer IP Address:

Integer First Address:

Integer Last Address:

MAC Address Converter

MAC Conversion Results

IPv4 Converter

IPv4 Conversion Results

IPv6 (Short, Mapped):

IPv6 (Long):

IPv6 Compressed Mapped:

IPv6 Link-Local (Derived):


IPv4 (Dotted Decimal):

IPv4 Binary:


Integer Representation:

Hexadecimal:

Octal Representation:

Status:

High 16 Bits (Hex):

Low 16 Bits (Hex):

Decimal Octets:

Hex Octets:


IPv4 Hex String:

Binary String (Flat):

Big-Endian Integer (Hex):

Little-Endian Integer (Hex):

Byte Array (Hex):

Network Byte Order:

Base-36 Representation:

IPv4 Subnet Calculator
The IPv4 Subnet Calculator simplifies network segmentation by determining subnet masks, network classes, and available host ranges. This tool is essential for IT professionals configuring and managing IP address allocations, ensuring optimal performance and security in network environments.

By inputting an IP address and selecting a subnet mask, this subnet mask calculator provides detailed information on network and broadcast addresses, total subnets, and usable hosts. It is widely used for designing corporate networks, optimizing routing, and preventing IP conflicts.

Example Calculation:
IP Address: 192.168.1.1
Subnet Mask: 255.255.255.0
Network Address: 192.168.1.0
Broadcast Address: 192.168.1.255
Total Hosts: 256
Usable Hosts: 254

Whether configuring a private network or working with larger-scale deployments, this network subnet calculator ensures accurate IP address planning and efficient subnetting strategies.

IPv6 Subnet Calculator
The IPv6 Subnet Calculator assists in managing IPv6 networks by expanding compressed notations, calculating prefix lengths, and identifying available subnets. Since IPv6 operates with a significantly larger address space than IPv4, precise subnet planning is crucial for efficient resource allocation.

This tool allows network engineers to break down an IPv6 block into multiple subnets, making it easier to structure complex networks. The IPv6 calculator provides key details, including subnet ranges and address allocation strategies, ensuring compliance with best practices for IPv6 deployment.

Example Calculation:
IPv6 Address: 2001:db8::/48
Subnet Prefix: /64
First Subnet: 2001:db8:0:0::/64
Last Subnet: 2001:db8:0:ffff::/64
Total Subnets: 65,536

With the increasing adoption of IPv6, this IPv6 subnet calculator is an essential tool for planning scalable, future-proof networks.

CIDR Calculator
The CIDR Calculator simplifies IP address management by converting CIDR notation into subnet masks, wildcard masks, and usable address ranges. Classless Inter-Domain Routing (CIDR) helps optimize IP allocations by allowing variable-length subnet masking (VLSM), making networks more efficient.

This tool is widely used in network segmentation, route aggregation, and reducing unnecessary IP wastage. By entering a CIDR notation, users can quickly determine the corresponding subnet mask and available IP range.

Example Calculation:
CIDR Notation: 192.168.1.0/24
Subnet Mask: 255.255.255.0
Wildcard Mask: 0.0.0.255
Network Range: 192.168.1.0 - 192.168.1.255
Total Usable Hosts: 254

For IT professionals configuring subnets, managing ISPs, or optimizing corporate networks, this IP address calculator ensures precise control over address distribution.

Wildcard Mask Calculator
The Wildcard Mask Calculator is a critical tool for configuring Access Control Lists (ACLs) in firewalls and routers. A wildcard mask defines which parts of an IP address should be considered for filtering or routing, commonly used in Cisco devices and other network security configurations.

This subnet mask calculator helps determine the wildcard mask by analyzing the subnet mask and calculating the corresponding range of IP addresses. It is particularly useful for defining flexible network rules in security policies and routing protocols.

Example Calculation:
IP Address: 192.168.1.1
Subnet Mask: 255.255.255.128
Wildcard Mask: 0.0.0.127
IP Range: 192.168.1.0 - 192.168.1.127

By using this network subnet calculator, administrators can create more precise ACLs and improve network security configurations.

MAC Address Converter
The MAC Address Converter is designed to transform MAC addresses into various formats, including EUI-48, EUI-64, hexadecimal, and bit-reversed notations. MAC addresses are essential for identifying network devices at the hardware level, making this tool valuable for network troubleshooting and configuration.

This IP calculator supports conversions required for configuring network devices, ensuring compatibility across different networking protocols. Whether formatting MAC addresses for IPv6 integration or verifying address assignments, this tool streamlines the process.

Example Conversion:
Original MAC Address (EUI-48): 00:1A:2B:3C:4D:5E
EUI-64 Format: 00:1A:2B:FF:FE:3C:4D:5E
Hexadecimal Representation: 001A2B3C4D5E
Bit-Reversed Format: 7F:58:D4:3C:B2:A0

For professionals working with network infrastructure, this IP address calculator simplifies address format conversions, aiding in efficient device management and documentation.

IPv4 Converter
The IPv4 Converter enables seamless transformation between different IP address formats, such as dotted decimal, integer, and hexadecimal. This tool is particularly useful for system administrators and network engineers who need to analyze and manipulate IP addresses in multiple formats.

By using this IP address calculator, users can quickly convert IP addresses for scripting, network analysis, and database management. This tool ensures compatibility with different systems and reduces manual conversion errors.

Example Conversion:
Dotted Decimal: 192.168.1.1
Integer: 3232235777
Hexadecimal: 0xC0A80101

With this IP calculator, managing large datasets and troubleshooting network configurations becomes more efficient.

Subnet Calculator

Free, online, and easy to use IP Subnet Calculator Tool.