These entries are queried from radb.net using whois, you can try my project getting these.
:AS29916 route: 158.51.0.0/23 origin: AS29916 descr: The Internet Company LP admin-c: NOC32927-ARIN tech-c: NOC32927-ARIN mnt-by: MNT-ILP-13 created: 2022-09-27T14:41:15Z last-modified: 2022-09-27T14:41:15Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2602:fe0f::/36 descr: The Internet Company LP descr: 30 N Gould St Ste R descr: Sheridan, WY 82801 descr: UNITED STATES origin: AS29916 mnt-by: MNT-ILP-13 changed: noc [at] ticservers.us 20190122 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source