These entries are queried from radb.net using whois, you can try my project getting these.
:AS328173 route: 196.250.204.0/22 descr: Weltel origin: AS328173 mnt-by: MAINT-AS37239 changed: info [at] ictglobe.com 20180314 #10:02:55Z source: RADB last-modified: 2023-11-13T15:53:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 196.250.204.0/22 descr: Weltel origin: AS328173 mnt-by: WELTEL-MNT changed: *** [at] weltel.co.za 20171103 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 196.250.204.0/24 origin: AS328173 descr: Weltel mnt-by: MAINT-AS37239 changed: info [at] ictglobe.com 20190318 #11:36:12Z source: RADB last-modified: 2023-11-13T15:55:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 196.250.205.0/24 origin: AS328173 descr: Weltel mnt-by: MAINT-AS37239 changed: info [at] ictglobe.com 20190318 #11:36:44Z source: RADB last-modified: 2023-11-13T15:55:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 196.250.206.0/24 origin: AS328173 descr: Weltel mnt-by: MAINT-AS37239 changed: info [at] ictglobe.com 20190318 #11:37:21Z source: RADB last-modified: 2023-11-13T15:55:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 196.250.207.0/24 origin: AS328173 descr: Weltel mnt-by: MAINT-AS37239 changed: info [at] ictglobe.com 20190318 #11:37:44Z source: RADB last-modified: 2023-11-13T15:55:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2c0f:f090::/32 descr: Weltelv6 origin: AS328173 mnt-by: WELTEL-MNT changed: *** [at] weltel.co.za 20210112 source: AFRINIC org: ORG-WA8-AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source