These entries are queried from radb.net using whois, you can try my project getting these.
:AS3754 route: 129.3.0.0/16 origin: AS3754 descr: SUNY Oswego - NYSERNet mnt-by: MAINT-AS14433 changed: gregory.fuller [at] oswego.edu 20220401 #17:16:20Z source: RADB last-modified: 2023-11-13T16:10:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.109.5.0/24 origin: AS3754 descr: NYSERNet R&E backbone admin-c: William Owens tech-c: NYSERNet NOC notify: noc [at] nysernet.org mnt-by: MAINT-AS3754 changed: owens [at] nysernet.org 20210413 #18:55:17Z source: RADB last-modified: 2023-11-13T16:05:29Z rpki-ov-state: valid route: 199.109.9.0/24 origin: AS3754 descr: NYSERNet R&E backbone admin-c: William Owens tech-c: NYSERNet NOC notify: noc [at] nysernet.org mnt-by: MAINT-AS3754 changed: owens [at] nysernet.org 20210413 #18:55:17Z source: RADB last-modified: 2023-11-13T16:05:29Z rpki-ov-state: valid route: 199.109.66.0/24 origin: AS3754 descr: NYSERNet Syracuse - GENI R&E admin-c: William Owens tech-c: NYSERNet NOC notify: noc [at] nysernet.org mnt-by: MAINT-AS3754 changed: owens [at] nysernet.org 20190705 #20:30:25Z source: RADB last-modified: 2023-11-13T15:56:42Z rpki-ov-state: valid route: 199.109.84.0/24 origin: AS3754 descr: NYSERNet NYC NRP via R&E admin-c: William Owens tech-c: NYSERNet NOC notify: noc [at] nysernet.org mnt-by: MAINT-AS3754 changed: owens [at] nysernet.org 20230601 #18:19:20Z source: RADB last-modified: 2023-11-13T16:17:25Z rpki-ov-state: valid route: 216.165.80.0/21 descr: New York University route object - advertised by NYSERNet AS3754 and AS3755 origin: AS3754 mnt-by: MAINT-AS12 changed: noc [at] nyu.edu 20111018 #17:59:40Z source: RADB last-modified: 2023-11-13T15:41:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.165.107.0/24 origin: AS3754 descr: New York University route object - advertised by NYSERNet AS3754 mnt-by: MAINT-AS12 changed: noc [at] nyu.edu 20210413 #19:53:15Z source: RADB last-modified: 2023-11-13T16:05:29Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:f::/48 origin: AS3754 descr: NYSERNet R&E network admin-c: William Owens tech-c: NYSERNet NOC notify: noc [at] nysernet.org mnt-by: MAINT-AS3754 changed: owens [at] nysernet.org 20210413 #18:27:16Z source: RADB last-modified: 2023-11-13T16:05:29Z rpki-ov-state: valid route6: 2620:f:6::/48 origin: AS3754 descr: NYSERNet NYC NRP via R&E admin-c: William Owens tech-c: NYSERNet NOC notify: noc [at] nysernet.org mnt-by: MAINT-AS3754 changed: owens [at] nysernet.org 20230601 #18:24:37Z source: RADB last-modified: 2023-11-13T16:17:25Z rpki-ov-state: valid