These entries are queried from radb.net using whois, you can try my project getting these.
:AS15040 route: 199.83.168.0/21 descr: proxy route-object for tango.me origin: AS15040 mnt-by: MAINT-NTTCOM-RA changed: sjones [at] us.ntt.net 20150309 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.83.175.0/24 descr: PNAP-SJE tango-route origin: AS15040 mnt-by: MAINT-AS1828 changed: chaydel [at] internap.com 20110407 source: RADB last-modified: 2023-11-13T16:14:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.183.158.0/24 origin: AS15040 descr: SEMTELCO-IPV4 admin-c: SEMTE-ARIN tech-c: NETWO9757-ARIN tech-c: SEMTE-ARIN mnt-by: MNT-SEMTE-7 created: 2024-04-02T17:00:32Z last-modified: 2024-04-02T17:00:32Z source: ARIN rpki-ov-state: valid route6: 2602:fabc::/40 origin: AS15040 descr: SEMTELCO-IPV6 admin-c: SEMTE-ARIN tech-c: NETWO9757-ARIN tech-c: SEMTE-ARIN mnt-by: MNT-SEMTE-7 created: 2022-12-19T18:28:32Z last-modified: 2022-12-19T18:28:32Z source: ARIN rpki-ov-state: valid