These entries are queried from radb.net using whois, you can try my project getting these.
:AS20337 route: 149.15.0.0/16 descr: RR-RC-SUNY-Northeast origin: AS20337 admin-c: IPADDREG tech-c: IPADDREG notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20200320 #19:35:07Z 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: 150.156.0.0/16 descr: RR-RC-SUNY-Northeast origin: AS20337 admin-c: IPADDREG tech-c: IPADDREG notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20200320 #19:35:07Z 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: 192.52.220.0/24 descr: RR-RC-SUNY-Northeast origin: AS20337 admin-c: IPADDREG tech-c: IPADDREG notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20200320 #19:35:07Z 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: 204.29.215.0/24 descr: RR-RC-SUNY-Northeast origin: AS20337 admin-c: IPADDREG tech-c: IPADDREG notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20200320 #19:35:07Z 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: 205.232.28.0/23 descr: Proxy fbo Research Foundation for SUNY (AS20337) origin: AS20337 remarks: Paetec Footprint mnt-by: MAINT-AS7029 changed: Kyle.Fine [at] windstream.com 20140806 source: RADB last-modified: 2023-11-13T15:46:37Z rpki-ov-state: valid route: 205.232.28.0/23 descr: SUNY Institute of Technology origin: AS20337 mnt-by: MAINT-TVC changed: ip-admin [at] tvc-ip.com 20140728 source: ALTDB rpki-ov-state: valid route: 205.232.28.0/24 descr: RR-RC-SUNY-Northeast origin: AS20337 admin-c: IPADDREG tech-c: IPADDREG notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20200320 #19:35:07Z source: RADB last-modified: 2023-11-13T16:15:19Z rpki-ov-state: valid route: 205.232.28.0/24 descr: SUNY Institute of Technology origin: AS20337 mnt-by: MAINT-TVC changed: ip-admin [at] tvc-ip.com 20140728 source: ALTDB rpki-ov-state: valid route: 205.232.29.0/24 descr: RR-RC-SUNY-Northeast origin: AS20337 admin-c: IPADDREG tech-c: IPADDREG notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20200320 #19:35:07Z source: RADB last-modified: 2023-11-13T16:15:19Z rpki-ov-state: valid route: 205.232.29.0/24 descr: SUNY Institute of Technology origin: AS20337 mnt-by: MAINT-TVC changed: ip-admin [at] tvc-ip.com 20140728 source: ALTDB rpki-ov-state: valid route: 207.10.56.0/24 descr: RR-RC-SUNY-Northeast origin: AS20337 admin-c: IPADDREG tech-c: IPADDREG notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20200320 #19:35:07Z source: RADB last-modified: 2023-11-13T16:15:19Z rpki-ov-state: valid