These entries are queried from radb.net using whois, you can try my project getting these.
:AS27 route: 128.8.0.0/16 origin: AS27 descr: University of Maryland Division of Information Technology College Park, MD 20742 United States admin-c: UMD-NOC tech-c: UMD-NOC notify: noc [at] umd.edu mnt-by: MAINT-AS27 changed: egregory [at] umd.edu 20190919 #14:12:21Z source: RADB last-modified: 2023-11-13T15:57:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 129.2.0.0/16 origin: AS27 descr: University of Maryland Division of Information Technology College Park, MD 20742 United States admin-c: UMD-NOC tech-c: UMD-NOC notify: noc [at] umd.edu mnt-by: MAINT-AS27 changed: egregory [at] umd.edu 20190919 #14:11:26Z source: RADB last-modified: 2023-11-13T15:57:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.239.188.0/27 descr: LACNIC generated route for INVERSIONES MYJ LTDA origin: AS27 remarks: LACNIC generated route for INVERSIONES MYJ LTDA remarks: maxLength 27 mnt-by: MNT-CL-IMLT11-LACNIC changed: 20240308 source: LACNIC remarks: *************************************************** remarks: This object may have been modified remarks: For more information, please query whois.lacnic.net remarks: *************************************************** last-modified: 2024-03-08T15:00:05Z rpki-ov-state: valid route: 192.54.94.0/23 origin: AS27 descr: University of Maryland Division of Information Technology College Park, MD 20742 United States admin-c: UMD-NOC tech-c: UMD-NOC notify: noc [at] umd.edu mnt-by: MAINT-AS27 changed: egregory [at] umd.edu 20190919 #14:08:48Z source: RADB last-modified: 2023-11-13T15:57:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.54.96.0/21 origin: AS27 descr: University of Maryland Division of Information Technology College Park, MD 20742 admin-c: UMD-NOC tech-c: UMD-NOC notify: noc [at] umd.edu mnt-by: MAINT-AS27 changed: egregory [at] umd.edu 20190919 #14:07:56Z source: RADB last-modified: 2023-11-13T15:57:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.54.100.0/22 origin: AS27 descr: University of Maryland Division of Information Technology College Park, MD 20742 United States admin-c: UMD-NOC tech-c: UMD-NOC notify: noc [at] umd.edu mnt-by: MAINT-AS27 changed: egregory [at] umd.edu 20211021 #19:36:12Z source: RADB last-modified: 2023-11-13T16:08:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.196.160.0/19 origin: AS27 descr: University of Maryland Division of Information Technology College Park, MD 20742 United States admin-c: UMD-NOC tech-c: UMD-NOC notify: noc [at] umd.edu mnt-by: MAINT-AS27 changed: egregory [at] umd.edu 20190919 #14:09:45Z source: RADB last-modified: 2023-11-13T15:57:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.196.160.0/20 origin: AS27 descr: University of Maryland Division of Information Technology College Park, MD 20742 United States admin-c: UMD-NOC tech-c: UMD-NOC notify: noc [at] umd.edu mnt-by: MAINT-AS27 changed: egregory [at] umd.edu 20211021 #19:33:08Z source: RADB last-modified: 2023-11-13T16:08:34Z rpki-ov-state: valid route: 206.196.184.0/21 origin: AS27 descr: University of Maryland Division of Information Technology College Park, MD 20742 United States admin-c: UMD-NOC tech-c: UMD-NOC notify: noc [at] umd.edu mnt-by: MAINT-AS27 changed: egregory [at] umd.edu 20211021 #19:34:31Z source: RADB last-modified: 2023-11-13T16:08:34Z rpki-ov-state: valid route6: 2605:880::/32 origin: AS27 descr: University of Maryland Division of Information Technology College Park, MD 20742 admin-c: UMD-NOC tech-c: UMD-NOC notify: noc [at] umd.edu mnt-by: MAINT-AS27 changed: egregory [at] umd.edu 20190920 #15:10:26Z source: RADB last-modified: 2023-11-13T15:57:47Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source