These entries are queried from radb.net using whois, you can try my project getting these.
:AS60758 route: 185.29.229.0/24 descr: Proxy route object registered by AS38195 origin: AS60758 remarks: This route object was created by Superloop on behalf of a customer. notify: peering [at] superloop.com mnt-by: MAINT-AS38195 changed: peering [at] superloop.com 20230219 source: RADB last-modified: 2023-11-13T16:18:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 185.29.230.0/24 descr: Deluxe UK IPv4 Block origin: AS60758 remarks: mnt-by: DMC-MNT created: 2018-09-05T12:54:16Z last-modified: 2018-09-05T12:54:16Z 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 route6: 2a00:aba0:1::/48 descr: DBS IPv6 London Block origin: AS60758 mnt-by: DMC-MNT created: 2013-07-04T10:32:58Z last-modified: 2014-03-28T15:14:00Z 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 route6: 2a00:aba0:200::/48 descr: DBS IPv6 London Block origin: AS60758 mnt-by: DMC-MNT created: 2014-03-28T15:11:08Z last-modified: 2014-03-28T15:14:25Z 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