snOspfAreaRangeTable 1.3.6.1.4.1.11.2.3.7.11.12.2.4.3.1

A range if IP addresses specified by an IP address/IP network mask pair. For example, class B address range of X.X.X.X with a network mask of 255.255.0.0 includes all IP addresses from X.X.0.0 to X.X.255.255