These entries are queried from radb.net using whois, you can try my project getting these.
:AS3226 route: 87.250.0.0/19 descr: MARK-ITT origin: AS3226 mnt-by: MARK-ITT-MNT created: 2005-09-02T18:20:45Z last-modified: 2005-09-02T18:20:45Z 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: 91.146.0.0/18 descr: MARK-ITT origin: AS3226 mnt-by: MARK-ITT-MNT created: 2006-10-11T10:03:03Z last-modified: 2006-10-11T10:03:03Z 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: 92.55.0.0/18 descr: MARK-ITT origin: AS3226 mnt-by: MARK-ITT-MNT created: 2008-09-22T12:17:01Z last-modified: 2008-09-22T12:17:01Z 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: 92.241.224.0/19 descr: MARK-ITT origin: AS3226 mnt-by: MARK-ITT-MNT created: 2007-12-20T11:48:56Z last-modified: 2007-12-20T11:48:56Z 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: 185.41.102.0/24 origin: AS3226 mnt-by: BB1-MNT created: 2021-04-28T07:35:50Z last-modified: 2021-04-28T07:35:50Z 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 route: 185.41.103.0/24 origin: AS3226 mnt-by: BB1-MNT created: 2021-04-28T07:36:11Z last-modified: 2021-04-28T07:36:11Z 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 route: 217.14.192.0/20 descr: MARK-ITT origin: AS3226 notify: noc [at] mark-itt.net mnt-by: MARK-ITT-MNT created: 1970-01-01T00:00:00Z last-modified: 2001-09-22T09:33:41Z 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: 217.29.176.0/20 descr: MARK-ITT origin: AS3226 notify: noc [at] mark-itt.net mnt-by: MARK-ITT-MNT created: 2003-05-21T06:03:52Z last-modified: 2003-05-21T06:03:52Z 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: 217.114.144.0/20 descr: MARK-ITT origin: AS3226 mnt-by: MARK-ITT-MNT created: 2004-12-10T20:43:49Z last-modified: 2004-12-10T20:43:49Z 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: 2a00:4580::/30 origin: AS3226 mnt-by: MARK-ITT-MNT created: 2018-10-24T20:30:39Z last-modified: 2018-10-24T20:30:39Z 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