These entries are queried from radb.net using whois, you can try my project getting these.
:AS53971 route: 38.98.72.0/24 descr: Invus Financial origin: AS53971 mnt-by: ONECOMM-MNT changed: bcarl [at] onecommunications.com 20110824 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 141.193.80.0/22 descr: PD Fiber, LLC. origin: AS53971 mnt-by: MNT-PFL-75 changed: pdfiber [at] pemdunk.com 20180427 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 167.248.136.0/21 origin: AS53971 descr: PD Fiber, LLC. mnt-by: MNT-PFL-75 source: ARIN tech-c: DAVIS1763-ARIN tech-c: LINDS290-ARIN admin-c: DAVIS1763-ARIN created: 2020-08-12T19:06:54Z last-modified: 2020-11-04T15:07:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 173.250.232.0/21 origin: AS53971 descr: 2801 West State Hwy 84 Bragg City MO 63827 United States admin-c: DAVIS1763-ARIN tech-c: DAVIS1763-ARIN tech-c: LINDS290-ARIN mnt-by: MNT-PFL-75 created: 2023-10-24T21:09:56Z last-modified: 2023-10-24T21:09:56Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.122.20.0/22 descr: PD Fiber, LLC descr: PO Box 509 Hayti, MO 63851 US origin: AS53971 mnt-by: MNT-PFL-75 changed: pdfiber [at] pemdunk.com 20190322 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source