These entries are queried from radb.net using whois, you can try my project getting these.
:AS198498 route: 91.235.192.0/22 descr: NETi Technologie Informatyczne origin: AS198498 mnt-by: PC7729-MNT created: 2012-03-02T09:34:58Z last-modified: 2012-03-02T09:34:58Z 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: 176.109.160.0/22 origin: AS198498 mnt-by: PL-DOLNET-MNT created: 2018-02-03T16:49:40Z last-modified: 2018-02-03T16:49:40Z 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: 176.109.164.0/22 origin: AS198498 mnt-by: PL-DOLNET-MNT created: 2018-02-03T16:44:37Z last-modified: 2018-02-03T16:44:37Z 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: 185.245.192.0/22 origin: AS198498 descr: DOLNET GROUP sp. z o.o. mnt-by: pl-dolnet-1-mnt mnt-by: PL-DOLNET-MNT created: 2018-02-19T14:44:01Z last-modified: 2018-05-16T12:45:04Z 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: 213.108.80.0/22 origin: AS198498 mnt-by: PL-DOLNET-MNT created: 2018-02-03T16:51:54Z last-modified: 2018-02-03T16:51:54Z 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: 213.108.84.0/22 origin: AS198498 mnt-by: PL-DOLNET-MNT created: 2018-02-03T16:53:02Z last-modified: 2018-02-03T16:53:02Z 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: valid route6: 2a10:f781:10:75c4::/64 origin: AS198498 descr: EPIX-LORA-DOLNETGR mnt-by: EPOLUDNIE-MNT mnt-by: EPOLUDNIE-MP-MNT mnt-lower: EPOLUDNIE-MNT mnt-lower: EPOLUDNIE-MP-MNT created: 2022-01-31T10:45:29Z last-modified: 2022-04-21T12:21:28Z 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