These entries are queried from radb.net using whois, you can try my project getting these.
:AS4130 route: 130.49.0.0/16 descr: University of Pittsburgh Computing Services and System Development 600 Epsilon Drive Pittsburgh PA 15238, USA origin: AS4130 member-of: RS-COMM_NSFNET mnt-by: MAINT-AS4130 changed: jak [at] pitt.edu 20120503 source: RADB last-modified: 2023-11-13T15:42:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 136.142.0.0/16 descr: University of Pittsburgh Computing Services and System Development 600 Epsilon Drive Pittsburgh PA 15238, USA origin: AS4130 member-of: RS-COMM_NSFNET mnt-by: MAINT-AS4130 changed: jak [at] pitt.edu 20120503 source: RADB last-modified: 2023-11-13T15:42:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.52.163.0/24 descr: University of Pittsburgh Computing Services and System Development 600 Epsilon Drive Pittsburgh PA 15238, USA origin: AS4130 member-of: RS-COMM_NSFNET mnt-by: MAINT-AS4130 changed: jak [at] pitt.edu 20120503 source: RADB last-modified: 2023-11-13T15:42:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.52.164.0/23 descr: University of Pittsburgh origin: AS4130 mnt-by: MAINT-AS27506 changed: rhinst [at] lightower.com 20160902 #18:57:08Z source: RADB last-modified: 2023-11-13T15:49:51Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.52.164.0/24 descr: University of Pittsburgh Computing Services and System Development 600 Epsilon Drive Pittsburgh PA 15238, USA origin: AS4130 member-of: RS-COMM_NSFNET mnt-by: MAINT-AS4130 changed: jak [at] pitt.edu 20120503 source: RADB last-modified: 2023-11-13T15:42:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.52.165.0/24 descr: University of Pittsburgh Computing Services and System Development 600 Epsilon Drive Pittsburgh PA 15238, USA origin: AS4130 member-of: RS-COMM_NSFNET mnt-by: MAINT-AS4130 changed: jak [at] pitt.edu 20120503 source: RADB last-modified: 2023-11-13T15:42:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.52.240.0/24 descr: University of Pittsburgh Computing Services and System Development 600 Epsilon Drive Pittsburgh PA 15238, USA origin: AS4130 member-of: RS-COMM_NSFNET mnt-by: MAINT-AS4130 changed: jak [at] pitt.edu 20120503 source: RADB last-modified: 2023-11-13T15:42:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:102:4000::/42 origin: AS4130 descr: PITT-V6-01 admin-c: Steve Capocci tech-c: Scott Hanna notify: NOC-NetworkEngineers [at] mail.pitt.edu mnt-by: MAINT-AS4130 changed: sth17 [at] pitt.edu 20200526 #15:30:56Z source: RADB last-modified: 2023-11-13T16:00:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:102:401e::/47 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS4130 remarks: Proxy add for customer mnt-by: MAINT-AS7922 changed: chris_johnson8 [at] cable.comcast.com 20161007 source: RADB last-modified: 2023-11-13T15:54:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source