These entries are queried from radb.net using whois, you can try my project getting these.
:AS51436 route: 91.218.216.0/22 descr: IDEALAN Spolka Jawna - Piekarski, Wysztygiel origin: AS51436 mnt-by: MNT-IDEALAN created: 2010-08-26T13:54:08Z last-modified: 2010-08-26T13:54:08Z 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: 178.212.144.0/21 descr: IDEALAN Spolka Jawna - Piekarski, Wysztygiel origin: AS51436 mnt-by: MNT-IDEALAN created: 2010-08-26T13:53:06Z last-modified: 2010-08-26T13:53:06Z 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