![Subnet Mask and CIDR: How many valid hosts can be used on a specific subnet (Classless Addressing)? | EnGenius APAC Subnet Mask and CIDR: How many valid hosts can be used on a specific subnet (Classless Addressing)? | EnGenius APAC](https://static.engeniuscdn.com/faq_questions/hc/en-us/article_attachments/115005581307/IP_Subnetting.png)
Subnet Mask and CIDR: How many valid hosts can be used on a specific subnet (Classless Addressing)? | EnGenius APAC
The Sky Networks - CIDR CIDR (Classless Inter-Domain Routing) notation rather than the common subnet mask 255.x.x.x when configuring addresses and networks. Refer to the CIDR Subnet Table to find the CIDR
![networking - How exactly is a subnet mask used when determining where to send a packet to? - Super User networking - How exactly is a subnet mask used when determining where to send a packet to? - Super User](https://i.stack.imgur.com/f0cZo.png)