OID value: 1.3.6.1.2.1.4.22.1
OID description:
ipNetToMediaEntry OBJECT-TYPE SYNTAX IpNetToMediaEntry ACCESS not-accessible STATUS mandatory DESCRIPTION "Each entry contains one IpAddress to `physical' address equivalence." INDEX { ipNetToMediaIfIndex, ipNetToMediaNetAddress } ::= { ipNetToMediaTable 1 }
See also the OID Repository website reference for 1.3.6.1.2.1.4.22.1