These entries are queried from radb.net using whois, you can try my project getting these.
:AS28499 route: 192.100.224.0/22 descr: ITX-GTD origin: AS28499 mnt-by: MAINT-AS18678 changed: adminred [at] internexa.com 20160912 #22:15:03Z source: RADB last-modified: 2023-11-13T15:49:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.100.224.0/23 origin: AS28499 descr: NIC Mexico Anycast Prefix (c.mx-ns.mx) admin-c: CNM_LACNIC tech-c: CNM_LACNIC mnt-by: MAINT-AS22894 changed: noc [at] nic.mx 20240127 # 0313Z source: RADB last-modified: 2024-01-27T03:13:38Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.100.224.0/24 descr: TELMEX-CL-SSEE cliente NIC CHILE origin: AS28499 notify: david.melita [at] clarochile.cl mnt-by: MAINT-AMCL-BB changed: david.melita [at] clarochile.cl 20231228 source: NTTCOM last-modified: 2023-12-29T14:40:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.100.224.0/24 descr: RED-AXTEL-MX origin: AS28499 mnt-by: MAINT-AS11172 changed: om_core [at] alestra.com.mx 20170203 #16:55:19Z source: RADB last-modified: 2023-11-13T15:50:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.100.225.0/24 descr: This route object is for IFX Networks customer route which is being exported under this origin AS 28499 origin: AS28499 mnt-by: MAINT-AS18747 changed: noc [at] ifxcorp.com 20180223 #12:48:25Z source: RADB last-modified: 2023-11-13T16:18:58Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.100.226.0/24 descr: This route object is for IFX Networks customer route which is being exported under this origin AS 28499 origin: AS28499 mnt-by: MAINT-AS18747 changed: noc [at] ifxcorp.com 20180223 #12:49:05Z source: RADB last-modified: 2023-11-13T16:18:58Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.100.227.0/24 descr: This route object is for IFX Networks customer route which is being exported under this origin AS 28499 origin: AS28499 mnt-by: MAINT-AS18747 changed: noc [at] ifxcorp.com 20180223 #12:51:13Z source: RADB last-modified: 2023-11-13T16:18:58Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:1258::/32 origin: AS28499 descr: NIC-MX prefix C admin-c: CNM_LACNIC tech-c: CNM_LACNIC notify: noc [at] nic.mx mnt-by: MAINT-AS22894 changed: noc [at] nic.mx 20240127 # 0329Z source: RADB last-modified: 2024-01-27T03:29:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source