These entries are queried from radb.net using whois, you can try my project getting these.
:AS5050 route: 104.128.208.0/20 descr: LaRoche College origin: AS5050 notify: radb-dist [at] 3rox.net remarks: This route object has been registered by Three Rivers Optical Exchange (3ROX) on behalf of one of its members. mnt-by: MAINT-AS5050 changed: lambert [at] psc.edu 20140710 source: RADB last-modified: 2023-11-13T15:46:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 147.72.0.0/16 descr: PSC Commodity Customer Block Pittsburgh Supercomputing Center 4400 Fifth Avenue Pittsburgh, PA 15213 origin: AS5050 notify: radb-dist [at] 3rox.net mnt-by: MAINT-AS5050 changed: lambert [at] psc.edu 20030209 changed: lambert [at] psc.edu 20131104 source: RADB last-modified: 2023-11-13T15:45:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 147.72.249.0/24 descr: Mount Aloysius College origin: AS5050 notify: radb-dist [at] 3rox.net remarks: This route object has been registered by Three Rivers Optical Exchange (3ROX) on behalf of one of its members. mnt-by: MAINT-AS5050 changed: lambert [at] psc.edu 20170731 source: RADB last-modified: 2023-11-13T15:51:17Z rpki-ov-state: valid route: 147.73.0.0/16 descr: Pittsburgh Supercomputing Center 4400 Fifth Avenue Pittsburgh, PA 15213 origin: AS5050 notify: radb-dist [at] psc.edu mnt-by: MAINT-AS5050 changed: lambert [at] psc.edu 20020819 source: RADB last-modified: 2023-11-13T15:39:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 147.73.6.0/24 origin: AS5050 descr: 3ROX 10 GbE Services Network admin-c: ML1385-ARIN tech-c: PN-ORG-ARIN tech-c: SC274-ARIN mnt-by: MNT-PSC-Z created: 2023-10-04T21:04:47Z last-modified: 2023-10-04T21:04:47Z source: ARIN rpki-ov-state: valid route: 167.88.240.0/20 descr: Point Park University origin: AS5050 notify: radb-dist [at] 3rox.net remarks: This route object has been registered by Three Rivers Optical Exchange (3ROX) on behalf of one of its members. mnt-by: MAINT-AS5050 changed: lambert [at] psc.edu 20140731 source: RADB last-modified: 2023-11-13T15:46:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.70.222.0/24 descr: 3ROX Content Subnet origin: AS5050 notify: radb-dist [at] 3rox.net mnt-by: MAINT-AS5050 changed: lambert [at] psc.edu 20190325 source: RADB last-modified: 2023-11-13T15:55:45Z rpki-ov-state: valid route: 192.88.114.0/24 descr: PSC-HS-DMZ Pittsburgh Supercomputing Center 4400 Fifth Avenue Pittsburgh, PA 15213 origin: AS5050 notify: radb-dist [at] 3rox.net mnt-by: MAINT-AS5050 changed: lambert [at] ncne.net 19980330 changed: lambert [at] psc.edu 20131104 source: RADB last-modified: 2023-11-13T15:45:50Z rpki-ov-state: valid route: 192.88.115.0/24 descr: PSC EDMZ Pittsburgh Supercomputing Center 4400 Fifth Avenue Pittsburgh, PA 15213 origin: AS5050 notify: radb-dist [at] 3rox.net mnt-by: MAINT-AS5050 changed: lambert [at] ncne.net 19980330 changed: lambert [at] psc.edu 20131104 source: RADB last-modified: 2023-11-13T15:45:50Z rpki-ov-state: valid route: 192.112.102.0/24 descr: Juniata College origin: AS5050 notify: radb-dist [at] 3rox.net remarks: This route object has been registered by Three Rivers Optical Exchange (3ROX) on behalf of one of its members. mnt-by: MAINT-AS5050 changed: lambert [at] psc.edu 20190325 source: RADB last-modified: 2023-11-13T15:55:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.231.244.0/24 descr: DANCES Network Pittsburgh Supercomputing Center 300 South Craig Street Pittsburgh, PA 15213 origin: AS5050 notify: radb-dist [at] psc.edu mnt-by: MAINT-AS5050 changed: lambert [at] psc.edu 20150903 source: RADB last-modified: 2023-11-13T15:48:08Z rpki-ov-state: valid route: 209.131.80.0/20 descr: Washington and Jefferson College origin: AS5050 notify: radb-dist [at] 3rox.net remarks: This route object has been registered by Three Rivers Optical Exchange (3ROX) on behalf of one of its members. mnt-by: MAINT-AS5050 changed: lambert [at] psc.edu 20140710 source: RADB last-modified: 2023-11-13T15:46:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:5e8::/32 descr: Three Rivers Optical Exchange Pittsburgh Supercomputing Center 4400 Fifth Avenue Pittsburgh, PA 15213 US origin: AS5050 tech-c: PSC Networking notify: radb-dist [at] 3rox.net mnt-by: MAINT-AS5050 changed: lambert [at] psc.edu 20060106 #16:25:35(UTC) changed: lambert [at] psc.edu 20060106 #16:27:32(UTC) changed: lambert [at] psc.edu 20060106 #16:29:10(UTC) changed: lambert [at] psc.edu 20131104 source: RADB last-modified: 2023-11-13T15:45:50Z rpki-ov-state: valid route6: 2620:37:c000::/48 descr: Washington and Jefferson College origin: AS5050 notify: radb-dist [at] 3rox.net remarks: This route6 object has been registered by Three Rivers Optical Exchange (3ROX) on behalf of one of its members. mnt-by: MAINT-AS5050 changed: lambert [at] psc.edu 20140710 source: RADB last-modified: 2023-11-13T15:46:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:72:4000::/48 descr: Juniata College origin: AS5050 notify: radb-dist [at] 3rox.net remarks: This route6 object has been registered by Three Rivers Optical Exchange (3ROX) on behalf of one of its members. mnt-by: MAINT-AS5050 changed: lambert [at] psc.edu 20190325 source: RADB last-modified: 2023-11-13T15:55:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:102:4000::/42 origin: AS5050 descr: University of Pittsburgh mnt-by: MAINT-AS33154 changed: spuluka [at] dqe.com 20191023 #18:41:57Z source: RADB last-modified: 2023-11-13T15:58:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source