These entries are queried from radb.net using whois, you can try my project getting these.
:AS60476 route: 5.181.61.0/24 descr: Amsterdam region CDN origin: AS60476 mnt-by: MNT-MYCOM created: 2022-06-21T13:24:33Z last-modified: 2022-06-21T13:24:33Z 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: 95.142.206.0/24 descr: Amsterdam region CDN origin: AS60476 mnt-by: VKCOMPANY-MNT created: 2020-10-06T15:14:46Z last-modified: 2022-06-20T13:06:07Z 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: 178.237.28.0/24 descr: Amsterdam region origin: AS60476 mnt-by: VKCOMPANY-MNT created: 2016-07-21T11:14:41Z last-modified: 2022-06-29T11:03:30Z 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: 185.30.176.0/22 descr: Amsterdam region origin: AS60476 mnt-by: DTP-MNT created: 2013-07-12T11:25:13Z last-modified: 2023-05-30T09:10:00Z 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 route: 185.205.76.0/22 descr: Amsterdam region origin: AS60476 mnt-by: MNT-MYCOM created: 2017-08-10T15:08:47Z last-modified: 2022-06-29T11:04:02Z 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:bdc0:e006::/48 descr: Amsterdam region CDN origin: AS60476 mnt-by: VKCOMPANY-MNT created: 2020-10-06T15:14:31Z last-modified: 2022-06-20T13:10:13Z 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: 2a04:4b40::/29 descr: My.Com Services origin: AS60476 mnt-by: MNT-MYCOM created: 2013-07-12T11:28:53Z last-modified: 2018-11-29T10:00:18Z 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