These entries are queried from radb.net using whois, you can try my project getting these.
:AS8838 route: 194.50.108.0/24 descr: Stripe21 origin: AS8838 remarks: Abuse complaints to helpdesk [at] stripe21.com mnt-by: COMPCOMM-MNT created: 2006-04-04T14:34:28Z last-modified: 2022-12-14T16:00:36Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid route: 212.42.0.0/19 descr: Stripe21 Limited UK Network descr: ALLOCATED PA Space do not break up origin: AS8838 remarks: In case of trouble, please contact helpdesk [at] stripe21.com remarks: Abuse to helpdesk [at] stripe21.com notify: helpdesk [at] stripe21.com notify: chris.cleall [at] stripe21.com mnt-by: COMPCOMM-MNT created: 2008-01-21T12:53:32Z last-modified: 2022-12-14T15:57:43Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid route6: 2a03:8840::/32 descr: Stripe21 Limited UK IPV6 Network origin: AS8838 mnt-by: COMPCOMM-MNT created: 2012-12-06T20:59:48Z last-modified: 2022-12-14T16:01:10Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source