These entries are queried from radb.net using whois, you can try my project getting these.
:AS32939 route: 24.145.92.0/22 descr: 24-145-92-0-22-MLT-DE tech-c: JEM1-LEVEL3 origin: AS32939 mnt-by: ABF-MNT changed: ahebenthal [at] atlanticbb.com 20080929 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 24.145.112.0/21 descr: 24-145-112-0-21-GSV-MD tech-c: JEM1-LEVEL3 origin: AS32939 mnt-by: ABF-MNT changed: ahebenthal [at] atlanticbb.com 20080421 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.90.28.0/22 origin: AS32939 descr: NextDNS mnt-by: MAINT-AS33480 changed: nikhil [at] webwerks.com 20190703 #13:56:47Z source: RADB last-modified: 2023-11-13T16:18:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 72.28.248.0/21 descr: 72.28.248.0-21-GSV-MD tech-c: JEM1-LEVEL3 origin: AS32939 mnt-by: ABF-MNT changed: ahebenthal [at] atlanticbb.com 20080227 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 72.28.252.0/22 descr: 72-28-252-0-22-GSV-MD tech-c: JEM1-LEVEL3 origin: AS32939 mnt-by: ABF-MNT changed: ahebenthal [at] atlanticbb.com 20070529 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 72.45.0.0/19 descr: Creating route origin: AS32939 mnt-by: ABF-MNT changed: will.mcbryde [at] level3.com 20060621 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 72.45.0.0/21 descr: 72-45-0-0/21-21-MLT-DE tech-c: JEM1-LEVEL3 origin: AS32939 mnt-by: ABF-MNT changed: ahebenthal [at] atlanticbb.com 20100525 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 72.45.8.0/21 descr: 72.45.8.0-21-MLT-DE tech-c: JEM1-LEVEL3 origin: AS32939 mnt-by: ABF-MNT changed: ahebenthal [at] atlanticbb.com 20100525 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 72.45.16.0/20 descr: 72.45.16.0-20-MLT-DE tech-c: JEM1-LEVEL3 origin: AS32939 mnt-by: ABF-MNT changed: ahebenthal [at] atlanticbb.com 20100525 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 72.45.48.0/20 descr: Creating route origin: AS32939 mnt-by: ABF-MNT changed: jmcmasters [at] atlanticbb.com 20060711 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 132.147.8.0/21 descr: AtlanticBroadband origin: AS32939 mnt-by: ABF-MNT changed: duane.white [at] level3.com 20141021 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 132.147.24.0/21 descr: 132-147-24-0-21-GSV-MD-ABB tech-c: JEM1-LEVEL3 origin: AS32939 mnt-by: ABF-MNT changed: ahebenthal [at] atlanticbb.com 20141012 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 172.85.24.0/21 descr: 172-85-24-0-21-GSV-MD-ABB tech-c: JEM1-LEVEL3 origin: AS32939 mnt-by: ABF-MNT changed: ahebenthal [at] atlanticbb.com 20150612 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.158.216.0/21 descr: 192-158-216-0-21-GSV-MD-ABB tech-c: JEM1-LEVEL3 origin: AS32939 mnt-by: ABF-MNT changed: ahebenthal [at] atlanticbb.com 20130416 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.195.176.0/21 descr: 204-195-176-0-21-MLT-DE-ABB tech-c: JEM1-LEVEL3 origin: AS32939 mnt-by: ABF-MNT changed: ahebenthal [at] atlanticbb.com 20110413 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 207.255.176.0/20 descr: creating route origin: AS32939 mnt-by: ABF-MNT changed: will.mcbryde [at] level3.com 20060621 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.203.208.0/22 descr: 209-203-208-0-22-GSV-MD-ABB tech-c: JEM1-LEVEL3 origin: AS32939 mnt-by: ABF-MNT changed: ahebenthal [at] atlanticbb.com 20120522 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2604:5400::/32 descr: ATLANTIC BROADBAND 2604:5400::/32 tech-c: JEM1-LEVEL3 origin: AS32939 mnt-by: ABF-MNT changed: mark.rounds [at] level3.net 20130410 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2a07:a8c0::/29 origin: AS32939 descr: NextDNS mnt-by: MAINT-AS33480 changed: nikhil [at] webwerks.com 20190703 #13:57:31Z source: RADB last-modified: 2023-11-13T16:18:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source