These entries are queried from radb.net using whois, you can try my project getting these.
:AS16412 route: 72.236.80.0/24 descr: MSHA origin: AS16412 mnt-by: MAINT-CHTR-WD changed: denny.derda [at] chartercom.com 20141111 #21:46:45Z source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 72.236.80.0/24 descr: EMBARQ JHCY EBGP Cust origin: AS16412 mnt-by: EMBARQ-MNT changed: ron.d.proctor [at] embarq.com 20090108 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.5.196.0/24 descr: MSHA origin: AS16412 mnt-by: MAINT-CHTR-WD changed: denny.derda [at] chartercom.com 20141111 #21:47:06Z source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.5.196.0/24 descr: EMBARQ JHCY JHCY EBGP Cust origin: AS16412 mnt-by: EMBARQ-MNT changed: ron.d.proctor [at] embarq.com 20090108 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 151.102.0.0/16 descr: RR-RC-MOUNTAIN STATES HEALTH ALLIANCE-Carolinas origin: AS16412 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20191002 #19:08:36Z source: RADB last-modified: 2023-11-13T16:15:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.21.144.0/22 descr: RR-RC-MOUNTAIN STATES HEALTH ALLIANCE-Carolinas origin: AS16412 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20191002 #19:08:36Z source: RADB last-modified: 2023-11-13T16:15:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.11.23.0/24 descr: TelCove BGP Customer netblock tech-c: TC1-LEVEL3 origin: AS16412 member-of: rs-19094-CUSTOMER remarks: Mountain States mnt-by: MAINT-AS19094 changed: frank.delungjr [at] level3.com 20070727 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source