These entries are queried from radb.net using whois, you can try my project getting these.
:AS8326 route: 46.239.128.0/20 descr: Educational Users descr: Metropolitan Area Network in Bydgoszcz descr: Bydgoszcz, Poland origin: AS8326 notify: lirmnt [at] utp.edu.pl mnt-by: PL-BYDMAN-MNT created: 2011-02-16T16:58:06Z last-modified: 2011-02-16T16:58:06Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid route: 82.146.224.0/19 descr: Educational Users descr: University of Technology&Agriculture descr: Bydgoszcz, Poland origin: AS8326 notify: Janusz.Szykowny [at] atr.bydgoszcz.pl mnt-by: PL-BYDMAN-MNT created: 2003-07-03T20:47:06Z last-modified: 2003-07-03T20:47:06Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid route: 89.191.128.0/20 descr: Educational Users descr: University of Technology&Agriculture descr: Bydgoszcz,Poland origin: AS8326 notify: Janusz.Szykowny [at] atr.bydgoszcz.pl mnt-by: PL-BYDMAN-MNT created: 2006-10-14T17:36:28Z last-modified: 2006-10-14T17:36:28Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid route: 212.122.192.0/20 descr: Educational Users descr: University of Technology&Agriculture descr: Bydgoszcz,Poland origin: AS8326 notify: Janusz.Szykowny [at] atr.bydgoszcz.pl mnt-by: PL-BYDMAN-MNT created: 1970-01-01T00:00:00Z last-modified: 2002-10-17T19:31:33Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid route: 212.122.208.0/21 descr: Educational Users descr: University of Technology&Agriculture descr: Bydgoszcz,Poland origin: AS8326 notify: Janusz.Szykowny [at] atr.bydgoszcz.pl mnt-by: PL-BYDMAN-MNT created: 2001-10-30T16:50:32Z last-modified: 2003-03-04T17:41:11Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid route6: 2001:908::/30 descr: Educational Users descr: University of Technology and Life Sciences descr: Bydgoszcz, POLAND origin: AS8326 mnt-by: PL-BYDMAN-MNT created: 2016-11-28T10:26:48Z last-modified: 2016-11-28T10:26:48Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid