These entries are queried from radb.net using whois, you can try my project getting these.
:AS16265 route: 31.31.32.0/21 descr: LEASEWEB origin: AS16265 mnt-by: FBX-MNT created: 2011-03-21T11:34:19Z last-modified: 2015-10-01T14:19:39Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 89.255.253.0/24 origin: AS16265 mnt-by: LEASEWEBCDN-MNT created: 2019-03-28T09:36:24Z last-modified: 2019-03-28T09:36:24Z 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: 89.255.253.0/24 origin: AS16265 descr: LSW-CDN-MAD mnt-by: MAINT-AS16265 changed: noc [at] fiberring.com 20190328 #05:34:32Z source: RADB last-modified: 2023-11-13T15:55:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 185.28.71.0/24 descr: LEASEWEB-CDN-POP4 origin: AS16265 remarks: LeaseWeb mnt-by: FBX-MNT created: 2013-06-12T11:34:11Z last-modified: 2016-01-05T10:14:51Z 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: 2a00:9d20:4::/48 descr: LeaseWeb CDN PoP4 origin: AS16265 mnt-by: LEASEWEBCDN-MNT created: 2014-03-05T15:54:49Z last-modified: 2015-09-30T08:22:05Z 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: 2a00:9d20:34::/48 origin: AS16265 mnt-by: LEASEWEBCDN-MNT created: 2019-04-15T15:31:17Z last-modified: 2019-04-15T15:31:17Z 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: 2a00:9d20:34::/48 origin: AS16265 descr: LSW-CDN-MAD mnt-by: MAINT-AS16265 changed: noc [at] fiberring.com 20190328 #05:36:19Z source: RADB last-modified: 2023-11-13T15:55:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2a03:2280::/32 descr: LeaseWeb origin: AS16265 mnt-by: FBX-MNT created: 2012-07-26T08:32:21Z last-modified: 2016-01-05T15:05:56Z 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: not_found # No ROAs found, or RPKI validation not enabled for source