These entries are queried from radb.net using whois, you can try my project getting these.
:AS3128 route: 131.210.0.0/16 origin: AS3128 descr: UW-Parkside admin-c: UWSysNet NOC tech-c: UWSysNet NOC notify: notices [at] uwsys.net mnt-by: MAINT-AS3128 changed: michael.hare [at] wisc.edu 20210706 #18:33:48Z source: RADB last-modified: 2023-11-13T16:07:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 137.81.0.0/16 origin: AS3128 descr: UW-Superior admin-c: UWSysNet NOC tech-c: UWSysNet NOC notify: notices [at] uwsys.net mnt-by: MAINT-AS3128 changed: michael.hare [at] wisc.edu 20210706 #18:34:05Z source: RADB last-modified: 2023-11-13T16:07:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 137.104.0.0/16 origin: AS3128 descr: UW-Platteville admin-c: UWSysNet NOC tech-c: UWSysNet NOC notify: notices [at] uwsys.net mnt-by: MAINT-AS3128 changed: michael.hare [at] wisc.edu 20210706 #18:34:22Z source: RADB last-modified: 2023-11-13T16:07:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 138.49.0.0/16 origin: AS3128 descr: UW-LaCrosse admin-c: UWSysNet NOC tech-c: UWSysNet NOC notify: notices [at] uwsys.net mnt-by: MAINT-AS3128 changed: michael.hare [at] wisc.edu 20210706 #18:34:40Z source: RADB last-modified: 2023-11-13T16:07:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 139.225.0.0/16 origin: AS3128 descr: UW-RiverFalls admin-c: UWSysNet NOC tech-c: UWSysNet NOC notify: notices [at] uwsys.net mnt-by: MAINT-AS3128 changed: michael.hare [at] wisc.edu 20210706 #18:34:57Z source: RADB last-modified: 2023-11-13T16:07:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 141.233.0.0/16 origin: AS3128 descr: UW-Oshkosh admin-c: UWSysNet NOC tech-c: UWSysNet NOC notify: notices [at] uwsys.net mnt-by: MAINT-AS3128 changed: michael.hare [at] wisc.edu 20210706 #18:35:12Z source: RADB last-modified: 2023-11-13T16:07:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.200.0.0/16 origin: AS3128 descr: UW-GreenBay admin-c: UWSysNet NOC tech-c: UWSysNet NOC notify: notices [at] uwsys.net mnt-by: MAINT-AS3128 changed: michael.hare [at] wisc.edu 20210706 #18:35:29Z source: RADB last-modified: 2023-11-13T16:07:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.235.0.0/16 origin: AS3128 descr: UW-CollegesExtension admin-c: UWSysNet NOC tech-c: UWSysNet NOC notify: notices [at] uwsys.net mnt-by: MAINT-AS3128 changed: michael.hare [at] wisc.edu 20210706 #18:35:53Z source: RADB last-modified: 2023-11-13T16:07:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.236.0.0/16 origin: AS3128 descr: UW-StevensPoint admin-c: UWSysNet NOC tech-c: UWSysNet NOC notify: notices [at] uwsys.net mnt-by: MAINT-AS3128 changed: michael.hare [at] wisc.edu 20210706 #18:36:11Z source: RADB last-modified: 2023-11-13T16:07:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 144.13.0.0/16 origin: AS3128 descr: UW-Stout admin-c: UWSysNet NOC tech-c: UWSysNet NOC notify: notices [at] uwsys.net mnt-by: MAINT-AS3128 changed: michael.hare [at] wisc.edu 20210706 #18:36:25Z source: RADB last-modified: 2023-11-13T16:07:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.35.81.0/24 origin: AS3128 descr: UW-Parkside admin-c: UWSysNet NOC tech-c: UWSysNet NOC notify: notices [at] uwsys.net mnt-by: MAINT-AS3128 changed: michael.hare [at] wisc.edu 20210706 #18:36:44Z source: RADB last-modified: 2023-11-13T16:07:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2600:1d00::/28 descr: University of Wisconsin System Network origin: AS3128 notify: peering [at] uwsys.net mnt-by: MNT-BRUWS changed: jeffb [at] doit.wisc.edu 20141113 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2604:5900::/32 origin: AS3128 descr: UW-Oshkosh admin-c: UWSysNet NOC tech-c: UWSysNet NOC notify: notices [at] uwsys.net mnt-by: MAINT-AS3128 changed: michael.hare [at] wisc.edu 20210629 #16:35:50Z source: RADB last-modified: 2023-11-13T16:07:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2607:fc80::/32 origin: AS3128 descr: UW-Parkside admin-c: UWSysNet NOC tech-c: UWSysNet NOC notify: notices [at] uwsys.net mnt-by: MAINT-AS3128 changed: michael.hare [at] wisc.edu 20210629 #16:38:11Z source: RADB last-modified: 2023-11-13T16:07:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source