These entries are queried from radb.net using whois, you can try my project getting these.
:AS40423 route: 204.152.63.0/24 descr: STORA ENSO NORTH AMERICA CORP. origin: AS40423 remarks: remarks: This route object was created because no existing remarks: route object with the same origin was found, and remarks: since some peers filter based on these objects remarks: this route may be rejected if this object is not created. remarks: mnt-by: MAINT-AS19151 changed: ipadmin [at] bboi.net 20080402 source: BBOI rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.152.63.0/24 descr: Consolidated Papers - WI KMA origin: AS40423 mnt-by: MAINT-CHTR-WD changed: john.abeln [at] chartercom.com 20091028 source: RADB last-modified: 2023-11-13T16:11:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source