Subnet Expert

CIDR /14 Subnet Reference

Detailed information about IPv4 /14 subnets

/14 Subnet Details

A /14 network is very large and can support thousands to millions of hosts. These are typically used by large organizations or internet service providers.

Key Information

CIDR Notation/14
Subnet Mask255.252.0.0
Binary Subnet Mask11111111 11111100 00000000 00000000

Host Information

Total Addresses262,144
Usable Hosts (Standard)262,142
AWS Usable IPs262,137
Azure Usable IPs262,137
GCP Usable IPs262,138

Using /14 in Networks

A CIDR /14 subnet has 262,142 usable IP addresses for hosts. This is a relatively large subnet that can be further divided into smaller subnets if needed.

Organizations typically use subnets of this size for large-scale deployments or when planning for future growth.

Cloud Provider Considerations

Cloud providers reserve some IP addresses in each subnet for internal use, resulting in fewer usable IPs:

  • AWS: 262,137 usable IPs(reserves 5 IPs per subnet)
  • Azure: 262,137 usable IPs(reserves 5 IPs per subnet)
  • GCP: 262,138 usable IPs(reserves 4 IPs per subnet)

When planning your cloud infrastructure, consider these reserved addresses to accurately size your subnets.

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