These entries are queried from radb.net using whois, you can try my project getting these.
:AS2902 route: 129.72.0.0/16 descr: University of Wyoming Laramie WY 82071, USA origin: AS2902 member-of: RS-COMM_NSFNET mnt-by: MAINT-AS2902 changed: cgarner [at] westnet.net 19951018 source: RADB last-modified: 2023-11-13T15:53:21Z rpki-ov-state: valid route: 137.84.0.0/14 descr: Westnet Aggregate 3645 Marine Street Boulder, CO 80309 origin: AS2902 member-of: RS-COMM_NSFNET mnt-by: MAINT-AS2902 changed: cgarner [at] westnet.net 19960319 source: RADB last-modified: 2023-11-13T15:53:21Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 137.88.0.0/15 descr: Westnet Aggregate 3645 Marine Street Boulder, CO 80309 origin: AS2902 member-of: RS-COMM_NSFNET mnt-by: MAINT-AS2902 changed: cgarner [at] westnet.net 19960319 source: RADB last-modified: 2023-11-13T15:53:21Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.65.143.0/24 descr: Westnet/Univ. of Wyoming University of Wyoming Laramie WY 82071, USA origin: AS2902 member-of: RS-COMM_NSFNET mnt-by: MAINT-AS2902 changed: cgarner [at] westnet.net 19951018 source: RADB last-modified: 2023-11-13T15:53:21Z rpki-ov-state: valid route: 192.84.113.0/24 descr: Bresnan Route for University of Wyoming origin: AS2902 mnt-by: BRS-MNT changed: lgodfrey [at] bresnan.com 20100607 source: LEVEL3 rpki-ov-state: valid route: 192.84.113.0/24 descr: University of Wyoming P.O. Box 3295 University Station Laramie WY 82071, USA origin: AS2902 member-of: RS-COMM_NSFNET mnt-by: MAINT-AS2902 changed: cgarner [at] westnet.net 19951018 source: RADB last-modified: 2023-11-13T15:53:21Z rpki-ov-state: valid route: 192.160.49.0/24 descr: Bresnan Route for University of Wyoming origin: AS2902 mnt-by: BRS-MNT changed: lgodfrey [at] bresnan.com 20100607 source: LEVEL3 rpki-ov-state: valid route: 198.59.192.0/18 descr: Westnet 3645 Marine Street U. of Colorado Boulder CO 80309-0455, USA origin: AS2902 member-of: RS-COMM_NSFNET mnt-by: MAINT-AS2902 changed: cgarner [at] westnet.net 19951018 source: RADB last-modified: 2023-11-13T15:53:21Z rpki-ov-state: valid