These entries are queried from radb.net using whois, you can try my project getting these.
:AS28775 route: 5.57.232.0/21 descr: OAO Transtelecom origin: AS28775 mnt-by: TTCNET-MNT created: 2012-06-06T06:06:42Z last-modified: 2012-06-06T06:06:42Z 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: 94.198.192.0/21 descr: OAO Transtelecom origin: AS28775 mnt-by: TTCNET-MNT created: 2008-11-05T08:57:47Z last-modified: 2008-11-05T08:57:47Z 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: 217.21.208.0/20 descr: AO Transtelecom origin: AS28775 notify: ip [at] transtelecom.ru mnt-by: TTCNET-MNT created: 2003-03-12T13:24:02Z last-modified: 2017-01-13T08:56:40Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2a02:2798::/32 descr: OAO Transtelecom origin: AS28775 mnt-by: TTCNET-MNT created: 2010-10-27T10:53:55Z last-modified: 2010-10-27T10:53:55Z 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