These entries are queried from radb.net using whois, you can try my project getting these.
:AS396887 route: 168.245.156.0/24 origin: AS396887 descr: 55 Cambridge Parkway Suite 200 Cambridge MA 02142 United States admin-c: EGGER87-ARIN tech-c: EGGER87-ARIN mnt-by: MNT-AALP-1 created: 2021-08-06T20:57:20Z last-modified: 2021-12-09T22:50:12Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 168.245.156.0/24 origin: AS396887 descr: proxy ROUTE object for ALLIED ADVERTISING LIMITED PARTNERSHIP by CORESITE admin-c: REEDC55-ARIN tech-c: REEDC55-ARIN mnt-by: MAINT-AS2734 changed: chris.reed [at] coresite.com 20200819 #23:07:39Z source: RADB last-modified: 2023-11-13T16:17:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source