These entries are queried from radb.net using whois, you can try my project getting these.
:AS3851 route: 131.216.0.0/16 origin: AS3851 descr: Nevada System of Higher Education admin-c: Kirk Fitzgerald tech-c: Kirk Fitzgerald notify: kfitzgerald [at] nshe.nevada.edu mnt-by: MAINT-AS3851 changed: kfitzgerald [at] nshe.nevada.edu 20200210 #16:09:05Z source: RADB last-modified: 2023-11-13T15:59:44Z rpki-ov-state: valid route: 134.197.0.0/16 origin: AS3851 descr: Nevada System of Higher Education admin-c: Kirk Fitzgerald tech-c: Kirk Fitzgerald notify: kfitzgerald [at] nshe.nevada.edu mnt-by: MAINT-AS3851 changed: eric_kepschull [at] nshe.nevada.edu 20230106 #20:17:16Z source: RADB last-modified: 2023-11-13T16:13:29Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 207.197.0.0/19 origin: AS3851 descr: Nevada System of Higher Education admin-c: Kirk Fitzgerald tech-c: Kirk Fitzgerald notify: kirk_fitzgerald [at] nshe.nevada.edu mnt-by: MAINT-AS3851 changed: kfitzgerald [at] nshe.nevada.edu 20190821 #15:53:46Z source: RADB last-modified: 2023-11-13T15:57:05Z rpki-ov-state: valid route: 207.197.32.0/19 origin: AS3851 descr: Nevada System of Higher Education admin-c: Kirk Fitzgerald tech-c: Kirk Fitzgerald notify: kirk_fitzgerald [at] nshe.nevada.edu mnt-by: MAINT-AS3851 changed: kfitzgerald [at] nshe.nevada.edu 20190821 #15:53:02Z source: RADB last-modified: 2023-11-13T15:57:05Z rpki-ov-state: valid route: 207.197.64.0/18 origin: AS3851 descr: Nevada System of Higher Education admin-c: Kirk Fitzgerald tech-c: Kirk Fitzgerald notify: kfitzgerald [at] nshe.nevada.edu mnt-by: MAINT-AS3851 changed: alevy [at] nshe.nevada.edu 20200210 #22:15:49Z source: RADB last-modified: 2023-11-13T15:59:44Z rpki-ov-state: valid route6: 2607:fe78::/33 origin: AS3851 descr: NSHE Southern IPv6 admin-c: Kirk Fitzgerald admin-c: Eric Kepschull tech-c: Kirk Fitzgerald mnt-by: MAINT-AS3851 changed: kfitzgerald [at] nshe.nevada.edu 20190821 #15:49:35Z source: RADB last-modified: 2023-11-13T15:57:05Z rpki-ov-state: valid route6: 2607:fe78:8000::/33 descr: Switch Communications Customer Route origin: AS3851 remarks: Route for NSHE (Nevada System of Higher Education) remarks: 2607:fe78:8000::/33-48 notify: netops-eng [at] supernap.com mnt-by: SWITCHCOM-MNT changed: netops-eng [at] supernap.com 20160113 source: LEVEL3 rpki-ov-state: valid route6: 2607:fe78:8000::/33 origin: AS3851 descr: NSHE Northern IPv6 admin-c: Kirk Fitzgerald admin-c: Eric Kepschull tech-c: Kirk Fitzgerald mnt-by: MAINT-AS3851 changed: kfitzgerald [at] nshe.nevada.edu 20190821 #15:50:52Z source: RADB last-modified: 2023-11-13T15:57:05Z rpki-ov-state: valid route6: 2620:131:5000::/40 descr: SINAP-TIX origin: AS3851 remarks: Route for NSHE remarks: 2620:131:5000::/40-48 notify: netops-eng [at] switchlv.com mnt-by: SWITCHCOM-MNT changed: netops-eng [at] switchlv.com 20170814 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source