Classful network

GPTKB entity

Statements (27)
Predicate Object
gptkbp:instanceOf IP addressing architecture
gptkbp:definedIn gptkb:RFC_791
https://www.w3.org/2000/01/rdf-schema#label Classful network
gptkbp:introducedIn 1981
gptkbp:mayInclude gptkb:Class_B
gptkb:Class_E
Class A
Class C
Class D
gptkbp:obsoletedIn 1993
gptkbp:obsoletes gptkb:CIDR
gptkbp:purpose Dividing IP address space into fixed-size blocks
gptkbp:range Class A: 0.0.0.0 to 127.255.255.255
Class B: 128.0.0.0 to 191.255.255.255
Class C: 192.0.0.0 to 223.255.255.255
Class D: 224.0.0.0 to 239.255.255.255
Class E: 240.0.0.0 to 255.255.255.255
gptkbp:replacedBy gptkb:Classless_Inter-Domain_Routing
gptkbp:status obsolete
gptkbp:subnetMask Class A: 255.0.0.0
Class B: 255.255.0.0
Class C: 255.255.255.0
gptkbp:usedFor routing
network management
gptkbp:usedIn gptkb:Internet_Protocol_version_4
gptkbp:bfsParent gptkb:Internet_Standard_Subnetting_Procedure
gptkbp:bfsLayer 7