This is a large tanker. It is operated by Maran Tankers Management (I do not know if it is also owned by them).
EU NAVFOR said in a statement released Nov.30, 2009
On 29 November a Greek Crude Oil Tanker named the M/V Maran Centaurus was hijacked in the Somali Bassin, 600 nautical miles North East of the Seychelles. Maran Centaurus has a deadweight of 300,294 tonnes and a crew of 28, among them 9 Greek, 16 Filipinos, 2 Ukrainian and 1 Romanian. The vessel was heading for New Orleans from Jiddah and has now altered course West towards Harardheere or Hobyo.
Jiddah is known to us as Jeddah, Saudi Arabia