Vagrantで立ち上げたLinuxのOracleにJDBCで接続したいがエラーが出て解決できない

vagrantを使って仮想サーバを立ち上げOracleをインストールしました。
しかし、ゲストOS(Windows8.1)からeclipseでJDBCを使って接続しようと試みましたが、エラーが発生して解決できません。

■Linuxの情報
・ホスト名　　　vagrant-centos65.vagrantup.com

■Oracleの情報
・tnsnames.ora

# tnsnames.ora Network Configuration File:

XE =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = vagrant-centos65.vagrantup.com)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = XE)
    )
  )

EXTPROC_CONNECTION_DATA =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC_FOR_XE))
    )
    (CONNECT_DATA =
      (SID = PLSExtProc)
      (PRESENTATION = RO)
    )
  )

・listener.ora

# listener.ora Network Configuration File:

SID_LIST_LISTENER =
  (SID_LIST =
    (SID_DESC =
      (SID_NAME = PLSExtProc)
      (ORACLE_HOME = /u01/app/oracle/product/11.2.0/xe)
      (PROGRAM = extproc)
    )
  )

LISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC_FOR_XE))
      (ADDRESS = (PROTOCOL = TCP)(HOST = vagrant-centos65.vagrantup.com)(PORT = 1521))
    )
  )

DEFAULT_SERVICE_LISTENER = (XE)

■Javaのコード

package test.main;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * DBUnitテストのmainを持つクラス。
 * @author tarosa0001
 */
public class TestMain {
    /** ロガー */
    private static Logger logger = LoggerFactory.getLogger(TestMain.class);

    /** 実行するSQL */
    private static final String SQL
            = " update "
            + "         EMP "
            + "     set "
            + "     name = 'tiger' "
            + "     where "
            + "         id = 1; ";

    /**
     * @param args
     */
    public static void main(String[] args) {
        logger.info("処理開始");

        // ---------------------------------
        // DBを更新する
        // ---------------------------------
        try {
            Class.forName ("oracle.jdbc.driver.OracleDriver");
        } catch (ClassNotFoundException e) {
            logger.error("エラー", e);
        }

        try(Connection conn = DriverManager.getConnection("jdbc:oracle:thin:@vagrant-centos65.vagrantup.com:1521:XE", "TRY", "nobu2214");
                PreparedStatement stmt = conn.prepareStatement(SQL);
                ) {
            conn.setAutoCommit(false);
            int i = stmt.executeUpdate();

            // 処理件数を表示する
            logger.info("処理件数:[" + i + "]");

            conn.commit();
        } catch(Exception e) {
            logger.error("エラー", e);
        }

        logger.info("処理終了");
    }
}

■エラー内容

20:55:13.445 [main] INFO test.main.TestMain - 処理開始
20:55:13.695 [main] ERROR test.main.TestMain - エラー
java.sql.SQLRecoverableException: IOエラー: The Network Adapter could not establish the connection
	at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:673)
	at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:715)
	at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:385)
	at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:30)
	at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:564)
	at java.sql.DriverManager.getConnection(DriverManager.java:664)
	at java.sql.DriverManager.getConnection(DriverManager.java:247)
	at test.main.TestMain.main(TestMain.java:42)
Caused by: oracle.net.ns.NetException: The Network Adapter could not establish the connection
	at oracle.net.nt.ConnStrategy.execute(ConnStrategy.java:445)
	at oracle.net.resolver.AddrResolution.resolveAndExecute(AddrResolution.java:464)
	at oracle.net.ns.NSProtocol.establishConnection(NSProtocol.java:594)
	at oracle.net.ns.NSProtocol.connect(NSProtocol.java:229)
	at oracle.jdbc.driver.T4CConnection.connect(T4CConnection.java:1360)
	at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:486)
	... 7 common frames omitted
Caused by: java.net.UnknownHostException: vagrant-centos65.vagrantup.com
	at java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method)
	at java.net.InetAddress$2.lookupAllHostAddr(InetAddress.java:928)
	at java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1323)
	at java.net.InetAddress.getAllByName0(InetAddress.java:1276)
	at java.net.InetAddress.getAllByName(InetAddress.java:1192)
	at java.net.InetAddress.getAllByName(InetAddress.java:1126)
	at oracle.net.nt.TcpNTAdapter.connect(TcpNTAdapter.java:117)
	at oracle.net.nt.ConnOption.connect(ConnOption.java:133)
	at oracle.net.nt.ConnStrategy.execute(ConnStrategy.java:411)
	... 12 common frames omitted
20:55:13.695 [main] INFO test.main.TestMain - 処理終了