These entries are queried from radb.net using whois, you can try my project getting these.
:AS209573 route: 139.28.64.0/22 origin: AS209573 mnt-by: mnt-nl-arcusit-1 created: 2019-01-30T15:25:45Z last-modified: 2019-01-30T15:25:45Z 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: 139.28.65.0/24 origin: AS209573 descr: Proxy route mnt-by: MAINT-AS7545 changed: core-neteng-support [at] tpg.com.au 20220502 #23:08:03Z source: RADB last-modified: 2023-11-13T16:10:57Z rpki-ov-state: valid route6: 2a09:1640::/32 origin: AS209573 mnt-by: mnt-nl-arcusit-1 created: 2019-01-30T16:21:44Z last-modified: 2019-01-30T16:21:44Z 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