These entries are queried from radb.net using whois, you can try my project getting these.
:AS10421 route: 66.140.111.0/24 origin: AS10421 descr: Texas Tech University mnt-by: MAINT-AS16905 changed: byron.hicks [at] tx-learn.net 20190424 #02:51:47Z source: RADB last-modified: 2023-11-13T15:56:04Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 69.65.192.0/18 descr: Texas Tech University Department of Telecommunications Texas Tech University P.O. Box 42045 Lubbock, TX 79409-2045 origin: AS10421 notify: noc [at] ttu.edu mnt-by: MAINT-AS10421 changed: everett.mcarthur [at] ttu.edu 20050223 #17:29:03(UTC) source: RADB last-modified: 2023-11-13T15:45:13Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 129.118.0.0/16 descr: Texas Tech University Department of Telecommunications Texas Tech University P.O. Box 42045 Lubbock, TX 79409-2045 origin: AS10421 notify: noc [at] ttu.edu mnt-by: MAINT-AS10421 changed: cfz [at] merit.edu 20040817 changed: cfz [at] merit.edu 20050223 #17:23:37(UTC) changed: everett.mcarthur [at] ttu.edu 20050223 #17:30:03(UTC) source: RADB last-modified: 2023-11-13T15:45:13Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.58.125.0/24 descr: Texas Tech University Department of Telecommunications Texas Tech University P.O. Box 42045 Lubbock, TX 79409-2045 origin: AS10421 mnt-by: MAINT-AS10421 changed: noc [at] ttu.edu 20170320 #18:32:10Z source: RADB last-modified: 2023-11-13T15:50:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2604:bc00::/32 descr: Texas Tech University Department of Telecommunications Texas Tech University P.O. Box 42045 Lubbock, TX 79409-2045 origin: AS10421 mnt-by: MAINT-AS10421 changed: noc [at] ttu.edu 20170320 #18:33:55Z source: RADB last-modified: 2023-11-13T15:50:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source