These entries are queried from radb.net using whois, you can try my project getting these.
:AS35838 route: 67.23.50.0/23 descr: Proxy Registered for Comodo Group inc. by Telx origin: AS35838 mnt-by: MAINT-TELX changed: ipadmin [at] telx.com 20140714 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.66.200.0/21 descr: Comodo Group Inc. origin: AS35838 mnt-by: CCAMNT created: 2010-12-23T00:15:36Z last-modified: 2018-09-04T16:26:00Z source: RIPE-NONAUTH 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 route: 199.66.200.0/21 descr: Comodo origin: AS35838 mnt-by: MAINT-AS27506 changed: rhinst [at] lightower.com 20160902 #18:57:08Z source: RADB last-modified: 2023-11-13T15:49:51Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2a02:1788::/32 descr: CCANET origin: AS35838 mnt-by: CCAMNT created: 2010-08-26T14:13:29Z last-modified: 2010-08-26T14:13:29Z 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: 2a02:1788::/32 descr: Proxy Registered for Comodo Group inc. by Telx origin: AS35838 notify: lucking [at] telx.com mnt-by: MAINT-TELX changed: lucking [at] telx.com 20101227 source: ALTDB rpki-ov-state: valid route6: 2a02:1788::/32 descr: 2a02:1788::/32 - Comodo origin: AS35838 mnt-by: MAINT-AS25653 changed: jason [at] fortressitx.com 20110516 #14:12:02Z source: RADB last-modified: 2023-11-13T15:50:36Z rpki-ov-state: valid