These entries are queried from radb.net using whois, you can try my project getting these.
:AS22803 route: 199.59.234.0/23 origin: AS22803 descr: NOV inc admin-c: ITWAN-ARIN tech-c: ITWAN-ARIN mnt-by: MNT-NOV-4 created: 2022-10-21T11:59:36Z last-modified: 2023-08-07T16:10:35Z source: ARIN rpki-ov-state: valid route: 199.59.234.0/24 descr: National-Oil-Well-Net-2 origin: AS22803 remarks: proxy object by PS LIGHTWAVE notify: netops [at] pslightwave.com mnt-by: MAINT-PSLIGHTWAVE changed: swulf [at] pslightwave.com 20171128 source: NTTCOM rpki-ov-state: valid route: 208.92.228.0/22 origin: AS22803 descr: NOV inc admin-c: ITWAN-ARIN tech-c: ITWAN-ARIN mnt-by: MNT-NOV-4 created: 2022-10-21T11:56:29Z last-modified: 2023-08-07T16:10:35Z source: ARIN rpki-ov-state: valid route: 208.92.228.0/24 descr: NOV origin: AS22803 remarks: National-Oil-Well-Net-1 notify: data [at] phonoscope.com mnt-by: MAINT-PHONOSCOPE changed: swulf [at] phonoscope.com 20090224 source: NTTCOM rpki-ov-state: valid route: 208.92.229.0/24 descr: NOV origin: AS22803 remarks: National-Oil-Well-Net-2 notify: data [at] phonoscope.com mnt-by: MAINT-PHONOSCOPE changed: swulf [at] phonoscope.com 20081202 source: NTTCOM rpki-ov-state: valid route: 208.92.230.0/24 descr: NOV origin: AS22803 remarks: National-Oil-Well-Net-3 notify: data [at] phonoscope.com mnt-by: MAINT-PHONOSCOPE changed: swulf [at] phonoscope.com 20081202 source: NTTCOM rpki-ov-state: valid route: 208.92.231.0/24 descr: NOV origin: AS22803 remarks: National-Oil-Well-Net-4 notify: data [at] phonoscope.com mnt-by: MAINT-PHONOSCOPE changed: swulf [at] phonoscope.com 20081202 source: NTTCOM rpki-ov-state: valid route6: 2620:33::/48 origin: AS22803 descr: NOV inc admin-c: ITWAN-ARIN tech-c: ITWAN-ARIN mnt-by: MNT-NOV-4 created: 2022-10-21T12:00:00Z last-modified: 2022-10-21T12:00:00Z source: ARIN rpki-ov-state: valid