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
What is the significance of the IP address 255.255 255.255? - Quora
subnet example
IPv4 Subnet - Knowledgebase - Toranj IT Computer + Netzwerke
Solved: I can not add /31 subnet mask 255.255.255.254 in W... - NETGEAR Communities
What Is The Prefix Length Notation For The Subnet Mask 255.255.255.224?