These entries are queried from radb.net using whois, you can try my project getting these.
:AS9580 route: 145.36.0.0/16 descr: Elsevier-VSNL Route Object origin: AS9580 mnt-by: MAINT-VSNL-IN changed: ip.admin [at] tatacommunications.com 20090226 source: RADB last-modified: 2023-11-13T15:42:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 145.36.140.0/23 descr: Reed Elsevier summary advertisement for India origin: AS9580 mnt-by: RETS-RIPE-MNT created: 2009-04-01T08:01:05Z last-modified: 2009-04-01T08:01:05Z 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: 145.36.141.0/24 descr: Reed Elsevier route advertisement to Airtel - India origin: AS9580 mnt-by: RETS-RIPE-MNT created: 2009-04-01T08:04:02Z last-modified: 2009-04-01T08:04:02Z 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: not_found # No ROAs found, or RPKI validation not enabled for source