These entries are queried from radb.net using whois, you can try my project getting these.
:AS51866 route: 91.222.0.0/22 descr: CITYLAN-WHOLE origin: AS51866 mnt-by: TRNET-MNT mnt-by: MNT-CITYLAN created: 2010-11-18T19:36:01Z last-modified: 2017-08-30T17:36:32Z 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: 91.222.0.0/23 descr: CITYLAN-HALF1 origin: AS51866 mnt-by: TRNET-MNT mnt-by: MNT-CITYLAN created: 2017-08-30T17:32:51Z last-modified: 2017-08-30T17:36:47Z 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: 91.222.0.0/24 origin: AS51866 mnt-by: TRNET-MNT mnt-by: MY-MNT mnt-by: MNT-CITYLAN created: 2023-07-12T16:59:13Z last-modified: 2023-07-12T16:59:13Z source: RIPE descr: CITYLAN-QUARTER1 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: 91.222.1.0/24 origin: AS51866 mnt-by: TRNET-MNT mnt-by: MY-MNT mnt-by: MNT-CITYLAN created: 2023-07-12T16:59:40Z last-modified: 2023-07-12T16:59:40Z source: RIPE descr: CITYLAN-QUARTER2 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: 91.222.2.0/23 descr: CITYLAN-HALF2 origin: AS51866 mnt-by: TRNET-MNT mnt-by: MNT-CITYLAN created: 2017-08-30T17:34:21Z last-modified: 2017-08-30T17:36:57Z 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: 91.222.2.0/24 origin: AS51866 mnt-by: TRNET-MNT mnt-by: MY-MNT mnt-by: MNT-CITYLAN created: 2023-07-12T17:00:07Z last-modified: 2023-07-12T17:00:07Z source: RIPE descr: CITYLAN-QUARTER3 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: 91.222.3.0/24 descr: CITYLAN-QUARTER4 origin: AS51866 mnt-by: TRNET-MNT mnt-by: MNT-CITYLAN created: 2017-12-25T15:39:23Z last-modified: 2017-12-25T15:39:23Z 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