These entries are queried from radb.net using whois, you can try my project getting these.
:AS2698 route: 64.113.64.0/19 descr: CYCLONENET2 Iowa State University 371 Durham Hall Ames, IA 50011 origin: AS2698 mnt-by: MNT-IAST changed: grpjl [at] iastate.edu 20070615 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 65.110.224.0/19 descr: CYCLONENET3 Iowa State University 371 Durham Hall Ames, IA 50011 origin: AS2698 mnt-by: MNT-IAST changed: grpjl [at] iastate.edu 20070615 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 129.186.0.0/16 origin: AS2698 descr: Iowa State University of Science and Technology Information Technology Services 291 Durham Center Ames IA 50011-2251 United States member-of: RS-IAST-CONE admin-c: ADMIN59-ARIN tech-c: TECHN1210-ARIN mnt-by: MNT-IAST-Z created: 2022-01-28T20:52:14Z last-modified: 2023-05-10T15:39:38Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.188.159.0/24 descr: IASTATE-159 Iowa State University 371 Durham Hall Ames, IA 50011 origin: AS2698 mnt-by: MNT-IAST changed: grpjl [at] iastate.edu 20070615 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.188.160.0/22 origin: AS2698 descr: Information Technology Services 291 Durham Center Ames IA 50011-2251 United States admin-c: ADMIN59-ARIN tech-c: TECHN1210-ARIN mnt-by: MNT-IAST created: 2022-03-28T14:56:38Z last-modified: 2023-05-10T15:37:13Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.245.179.0/24 descr: IASTATE-178 Iowa State University 371 Durham Hall Ames, IA 50011 origin: AS2698 mnt-by: MNT-IAST changed: grpjl [at] iastate.edu 20070615 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.237.112.0/20 descr: IASTATE-RP Iowa State University 371 Durham Hall Ames, IA 50011 origin: AS2698 mnt-by: MNT-IAST changed: grpjl [at] iastate.edu 20080828 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:468:1206::/48 descr: WISCNET/UNIVERSITY OF WISCONSIN origin: AS2698 mnt-by: MAINT-AS2698 changed: peggy.knapp [at] level3.com 20110405 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:57::/48 descr: WISCNET/UNIVERSITY OF WISCONSIN origin: AS2698 mnt-by: MAINT-AS2698 changed: palmatier.wayne [at] level3.com 20120508 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source