These entries are queried from radb.net using whois, you can try my project getting these.
:AS19999 route: 76.78.88.0/24 origin: AS19999 descr: Apogee - Union College - Schenectady, NY admin-c: AGS12-ARIN tech-c: RMA40-ARIN tech-c: TAMBU2-ARIN mnt-by: MNT-APOG created: 2023-08-28T20:44:32Z last-modified: 2023-08-28T20:44:32Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 149.106.0.0/16 descr: RR-Route origin: AS19999 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 149.106.0.0/19 descr: Union College origin: AS19999 remarks: This route object is for a TVC customer. mnt-by: MAINT-TVC changed: ip-admin [at] tvc-ip.com 20110812 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 149.106.96.0/19 descr: Union College origin: AS19999 remarks: This route object is for a TVC customer. mnt-by: MAINT-TVC changed: ip-admin [at] tvc-ip.com 20110812 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.52.218.0/24 descr: Union College origin: AS19999 mnt-by: MAINT-TVC changed: dan [at] firstlight.net 20151202 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2602:fd6e::/36 descr: Proxy route for object Union College origin: AS19999 admin-c: IA93-ARIN tech-c: IA93-ARIN notify: ip-admin [at] firstlight.net mnt-by: MAINT-SOVER-NOC changed: jhall [at] firstlight.net 20220714 source: RADB last-modified: 2023-11-13T16:11:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source