CIDR prefix
/29
255.255.255.248
6 usable hosts · 8 addresses
The mask for /29 is 255.255.255.248 — 8 addresses, 6 usable hosts. Very small segments — DMZs, isolated services, public-IP pools.
Mask
255.255.255.248
Wildcard
0.0.0.7
Addresses
8
Hosts
6
Worked example: 192.168.0.0/29
Network address192.168.0.0/29
Broadcast address192.168.0.7
First host192.168.0.1
Last host192.168.0.6
FAQ — /29
What is the subnet mask for /29?
The subnet mask for /29 is 255.255.255.248 (wildcard: 0.0.0.7). The first 29 bits are the network part, the remaining 3 are the host part.
How many hosts fit in a /29?
A /29 block holds 8 addresses, of which 6 are usable hosts (the network and broadcast addresses are excluded).
How many /29 subnets fit in a /24?
A /24 network divides into 32 /29 subnets.
What is a /29 used for?
Very small segments — DMZs, isolated services, public-IP pools.