Decode value of an OID in snmp frame

The OID values ​​are not decoded, is always shown in decimal.

IF-MIB :: ifOperStatus.14 (1.3.6.1.2.1.2.2.1.8.14): Object Name: 1.3.6.1.2.1.2.2.1.8.14 (IF-MIB :: ifOperStatus.14) Value (Integer32): 2 <- should interpret and say DOWN

IF-MIB :: ifDescr.14 (1.3.6.1.2.1.2.2.1.2.14) 4e4f4e4500 <- should interpret and say NONE Object Name: 1.3.6.1.2.1.2.2.1.2.14 (IF-MIB :: ifDescr.14) Value (OctetString): 4e4f4e4500 <- should interpret and say NONE Please if you can tell me as I do to decode the values ​​of the OID