These entries are queried from radb.net using whois, you can try my project getting these.
:AS11190 route: 199.67.248.0/21 origin: AS11190 descr: SiliconConnectionsLLC admin-c: IAA26-ARIN tech-c: SNO75-ARIN mnt-by: MNT-SCL-79 created: 2023-10-12T23:01:19Z last-modified: 2023-10-12T23:01:19Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.67.248.0/21 origin: AS11190 descr: QTS-Proxy-SiliconConnections mnt-by: MAINT-QTS changed: marc.garrison [at] qtsdatacenters.com 20200217 #14:21:18Z source: RADB last-modified: 2023-11-13T15:59:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.67.248.0/22 descr: proxy registration origin: AS11190 mnt-by: MAINT-AS11404 changed: john [at] vanoppen.com 20160225 #19:07:19Z source: RADB last-modified: 2023-11-13T15:51:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.67.252.0/22 descr: proxy registration origin: AS11190 mnt-by: MAINT-AS11404 changed: john [at] vanoppen.com 20160225 #19:07:47Z source: RADB last-modified: 2023-11-13T15:51:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.67.255.0/24 origin: AS11190 descr: SiliconConnectionsLLC admin-c: IAA26-ARIN tech-c: SNO75-ARIN mnt-by: MNT-SCL-79 created: 2023-10-12T23:02:12Z last-modified: 2023-10-12T23:02:12Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source