These entries are queried from radb.net using whois, you can try my project getting these.
:AS53812 route: 23.139.112.0/24 descr: NET NV BLOCK2 origin: AS53812 mnt-by: MNT-NNL-35 changed: bgoff [at] netnv.net 20191010 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 139.60.211.0/24 origin: AS53812 descr: Net NV admin-c: NNN4-ARIN tech-c: NNN4-ARIN mnt-by: MNT-NNL-35 created: 2021-12-09T17:53:13Z last-modified: 2021-12-09T17:53:13Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 158.51.252.0/22 descr: NETNV-BLOCK3 descr: 354 West Liberty Street descr: Reno NV 89501 descr: US origin: AS53812 mnt-by: MNT-NNL-35 changed: bgoff [at] netnv.net 20200130 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 207.174.32.0/22 origin: AS53812 descr: YOLOOO admin-c: NNN4-ARIN tech-c: NNN4-ARIN mnt-by: MNT-NNL-35 created: 2023-05-01T23:39:29Z last-modified: 2023-05-01T23:39:29Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.99.12.0/22 origin: AS53812 descr: YOLO admin-c: NNN4-ARIN tech-c: NNN4-ARIN mnt-by: MNT-NNL-35 created: 2021-12-06T22:44:14Z last-modified: 2021-12-06T22:44:14Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:470:14c::/48 origin: AS53812 descr: NET-2001-470-14c---48-AS53812 admin-c: ZH17-ARIN tech-c: ZH17-ARIN mnt-by: MNT-HURC source: ARIN created: 2022-01-20T20:21:29Z last-modified: 2022-01-20T20:21:29Z rpki-ov-state: valid