These entries are queried from radb.net using whois, you can try my project getting these.
:AS5719 route: 129.49.0.0/16 origin: AS5719 descr: This is a proxy registration by NYSERNet on behalf of one of our member campuses. For changes or removal, contact noc [at] nysernet.org admin-c: William Owens tech-c: NYSERNet NOC notify: noc [at] nysernet.org notify: behzad.barzideh [at] stonybrook.edu mnt-by: MAINT-AS3754 changed: owens [at] nysernet.org 20220114 #13:30:14Z source: RADB last-modified: 2023-11-13T16:09:07Z rpki-ov-state: valid route: 129.49.0.0/17 origin: AS5719 descr: Proxy registration for Stony Brook University admin-c: Jim Kyriannis tech-c: NYSERNet NOC remarks: This is a proxy registration by NYSERNet on behalf of one of our member campuses. For changes or removal, contact noc [at] nysernet.org notify: noc [at] nysernet.org notify: behzad.barzideh [at] stonybrook.edu mnt-by: MAINT-AS3754 changed: jkyriannis [at] nysernet.org 20190819 #23:03:24Z source: RADB last-modified: 2023-11-13T15:57:04Z rpki-ov-state: valid route: 129.49.4.0/24 descr: Stony Brook University - Syracuse DC origin: AS5719 mnt-by: MAINT-AS3754 changed: owens [at] nysernet.org 20121026 #18:20:17Z source: RADB last-modified: 2023-11-13T15:44:22Z rpki-ov-state: valid route: 129.49.128.0/17 origin: AS5719 descr: Proxy registration for Stony Brook University admin-c: Jim Kyriannis tech-c: NYSERNet NOC remarks: This is a proxy registration by NYSERNet on behalf of one of our member campuses. For changes or removal, contact noc [at] nysernet.org notify: noc [at] nysernet.org notify: behzad.barzideh [at] stonybrook.edu mnt-by: MAINT-AS3754 changed: jkyriannis [at] nysernet.org 20190819 #23:04:27Z source: RADB last-modified: 2023-11-13T15:57:04Z rpki-ov-state: valid route: 130.245.0.0/16 origin: AS5719 descr: This is a proxy registration by NYSERNet on behalf of one of our member campuses. For changes or removal, contact noc [at] nysernet.org admin-c: William Owens tech-c: NYSERNet NOC notify: noc [at] nysernet.org notify: behzad.barzideh [at] stonybrook.edu mnt-by: MAINT-AS3754 changed: owens [at] nysernet.org 20220114 #13:31:32Z source: RADB last-modified: 2023-11-13T16:09:07Z rpki-ov-state: valid route: 130.245.0.0/17 origin: AS5719 descr: Proxy registration for Stony Brook University admin-c: Jim Kyriannis tech-c: NYSERNet NOC remarks: This is a proxy registration by NYSERNet on behalf of one of our member campuses. For changes or removal, contact noc [at] nysernet.org notify: noc [at] nysernet.org notify: behzad.barzideh [at] stonybrook.edu mnt-by: MAINT-AS3754 changed: jkyriannis [at] nysernet.org 20190819 #23:06:11Z source: RADB last-modified: 2023-11-13T15:57:04Z rpki-ov-state: valid route: 130.245.128.0/17 origin: AS5719 descr: Proxy registration for Stony Brook University admin-c: Jim Kyriannis tech-c: NYSERNet NOC remarks: This is a proxy registration by NYSERNet on behalf of one of our member campuses. For changes or removal, contact noc [at] nysernet.org notify: noc [at] nysernet.org notify: behzad.barzideh [at] stonybrook.edu mnt-by: MAINT-AS3754 changed: jkyriannis [at] nysernet.org 20190819 #23:05:30Z source: RADB last-modified: 2023-11-13T15:57:04Z rpki-ov-state: valid route: 184.164.224.0/19 descr: Stony Brook University Hospital origin: AS5719 mnt-by: MAINT-AS27506 changed: efoley [at] lightower.com 20141222 source: RADB last-modified: 2023-11-13T15:47:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.12.89.0/24 origin: AS5719 descr: This is a proxy registration by NYSERNet on behalf of one of our member campuses. For changes or removal, contact noc [at] nysernet.org admin-c: William Owens tech-c: NYSERNet NOC notify: noc [at] nysernet.org notify: behzad.barzideh [at] stonybrook.edu mnt-by: MAINT-AS3754 changed: owens [at] nysernet.org 20220114 #13:32:50Z source: RADB last-modified: 2023-11-13T16:09:07Z rpki-ov-state: valid route: 192.12.90.0/24 origin: AS5719 descr: This is a proxy registration by NYSERNet on behalf of one of our member campuses. For changes or removal, contact noc [at] nysernet.org admin-c: William Owens tech-c: NYSERNet NOC notify: noc [at] nysernet.org notify: behzad.barzideh [at] stonybrook.edu mnt-by: MAINT-AS3754 changed: owens [at] nysernet.org 20220114 #13:33:50Z source: RADB last-modified: 2023-11-13T16:09:07Z rpki-ov-state: valid route: 192.42.55.0/24 origin: AS5719 descr: This is a proxy registration by NYSERNet on behalf of one of our member campuses. For changes or removal, contact noc [at] nysernet.org admin-c: William Owens tech-c: NYSERNet NOC notify: noc [at] nysernet.org notify: behzad.barzideh [at] stonybrook.edu mnt-by: MAINT-AS3754 changed: owens [at] nysernet.org 20220114 #13:34:40Z source: RADB last-modified: 2023-11-13T16:09:07Z rpki-ov-state: valid route: 199.109.44.0/22 origin: AS5719 descr: Stony Brook R&E test network admin-c: William Owens tech-c: NYSERNet NOC notify: noc [at] nysernet.org mnt-by: MAINT-AS3754 changed: owens [at] nysernet.org 20190705 #20:25:43Z source: RADB last-modified: 2023-11-13T15:56:42Z rpki-ov-state: valid route: 204.9.168.0/22 descr: SUNY at Stony Brook origin: AS5719 mnt-by: MAINT-AS27506 changed: robert.hinst [at] crowncastle.com 20190227 source: RADB last-modified: 2023-11-13T15:55:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:10d:1000::/44 descr: Stony Brook University origin: AS5719 mnt-by: MAINT-AS27506 changed: mdimambro [at] lightower.com 20170208 source: RADB last-modified: 2023-11-13T15:50:38Z rpki-ov-state: valid