These entries are queried from radb.net using whois, you can try my project getting these.
:AS398846 route: 156.142.0.0/16 origin: AS398846 descr: LOGIS notify: mmayfield [at] logis.org notify: amaloney [at] logis.org mnt-by: MAINT-AS217 changed: farmer [at] umn.edu 20230519 #13:23:25Z source: RADB last-modified: 2023-11-13T16:17:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.244.223.0/24 origin: AS398846 descr: City of Brooklyn Park via Logis notify: mmayfield [at] logis.org notify: amaloney [at] logis.org mnt-by: MAINT-AS217 changed: farmer [at] umn.edu 20230519 #13:25:55Z source: RADB last-modified: 2023-11-13T16:17:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2605:ae40::/32 origin: AS398846 descr: Logis notify: mmayfield [at] logis.org notify: amaloney [at] logis.org mnt-by: MAINT-AS217 changed: farmer [at] umn.edu 20230519 #13:27:18Z source: RADB last-modified: 2023-11-13T16:17:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source