These entries are queried from radb.net using whois, you can try my project getting these.
:AS57896 route: 31.41.144.0/22 origin: AS57896 mnt-by: pl-ynetmanagement-1-mnt created: 2022-10-13T14:21:23Z last-modified: 2022-10-13T14:21:23Z 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: 176.109.48.0/21 descr: Ynet origin: AS57896 mnt-by: WK50874-MNT created: 2012-03-13T14:18:57Z last-modified: 2016-09-06T11:29:31Z 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: 185.166.168.0/22 descr: YNET_MANAGEMENT origin: AS57896 mnt-by: pl-ynetmanagement-1-mnt mnt-by: WK50874-MNT created: 2016-09-06T14:13:48Z last-modified: 2016-09-06T14:13:48Z 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: 194.50.156.0/22 descr: Ynet origin: AS57896 mnt-by: WK50874-MNT created: 2012-03-13T14:15:18Z last-modified: 2016-09-06T11:29:58Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:67c:2e3c::/48 descr: PL-Ynet-IPv6 origin: AS57896 mnt-by: ATMAN-MNT mnt-by: WK50874-MNT created: 2015-03-20T15:05:57Z last-modified: 2015-03-23T07:33:59Z 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