How many addresses are in a /14 block?

A /14 block contains 262,144 total addresses (2^18) and 262,142 usable hosts.

What is the subnet mask for /14?

The subnet mask for /14 is 255.252.0.0 (binary: 11111111.11111100.00000000.00000000). The wildcard mask is 0.3.255.255.

How many /16 blocks fit inside a /14?

A /14 contains 4 individual /16 networks.

How many /24 subnets fit in a /14?

A /14 block contains 2^10 = 1,024 individual /24 subnets.

What is a practical use for /14 in enterprise design?

In a hierarchical enterprise design, a /14 might be allocated per world region (e.g., EMEA gets 10.0.0.0/14), which can then be divided into four /16 blocks per country or major site.

/14 Subnet Calculator

Results update as you type

A /14 block contains 262,144 addresses. Used for medium-to-large ISP allocations and in enterprise address hierarchies.

Network size

/32

/14 = mask 255.252.0.0 • 262,142 usable addresses

Results for 10.0.0.0/14

Private (RFC 1918)Class A

Network addressThe first address — identifies the subnet itself

Broadcast addressThe last address — used to reach every device at once

Subnet maskSame as /14 in CIDR notation

First usable hostThe first IP you can assign to a device

Last usable hostThe last IP you can assign to a device

Usable hosts262,144 total addresses in this subnet

More detailsNeighboring subnets, wildcard mask, hex, reverse DNS, and binary breakdown

Neighboring /14 subnets

Wildcard mask: Used in Cisco ACLs and OSPF
CIDR notation
IP in hexadecimal
IP as 32-bit integer
Reverse DNS (PTR)
Host bits / subnet bits

Binary breakdown

IP address00001010.00000000.00000000.00000000

Subnet mask11111111.11111100.00000000.00000000

Network00001010.00000000.00000000.00000000

Broadcast00001010.00000011.11111111.11111111

Quick facts for /14

Subnet mask: 255.252.0.0
Wildcard: 0.3.255.255
Usable hosts: 262,142
Total addresses: 262,144

/14 reference guideBit split, overview, sizing tables, notable networks, and FAQ

Binary bit split

11111111·11111100·00000000·00000000

Network bits (14)Host bits (18)

Network bits: 14
Host bits: 18
Subnet mask: 255.252.0.0
Wildcard mask: 0.3.255.255
Total addresses: 262,144
Usable hosts: 262,142
Hosts formula: 2^18 − 2
/24 relationship: 1,024 × /24 networks

Overview

A /14 block contains 262,144 addresses. Used for medium-to-large ISP allocations and in enterprise address hierarchies.

Common use cases

Medium ISP customer address pools
Enterprise multi-country addressing
Cloud provider region subnets

Subnet sizing reference

Divide /14 into…

Prefix	Subnets	Hosts each
/15	2	131,070
/16	4	65,534
/17	8	32,766
/18	16	16,382

/14 fits inside…

Supernet	Hosts	/14s inside
/13	524,286	2
/12	1,048,574	4
/11	2,097,150	8
/10	4,194,302	16

Frequently asked questions

Common questions about /14 networks, subnet masks, and use cases.

All CIDR prefix sizes

/0 /1 /2 /3 /4 /5 /6 /7 /8 /9 /10 /11 /12 /13 /14 /15 /16 /17 /18 /19 /20 /21 /22 /23 /24 /25 /26 /27 /28 /29 /30 /31 /32