OID value: 1.3.6.1.2.1.11.4
OID description:
snmpInBadCommunityNames OBJECT-TYPE SYNTAX Counter ACCESS read-only STATUS mandatory DESCRIPTION "The total number of SNMP Messages delivered to the SNMP protocol entity which used a SNMP community name not known to said entity." ::= { snmp 4 }
See also the OID Repository website reference for 1.3.6.1.2.1.11.4