These entries are queried from radb.net using whois, you can try my project getting these.
:AS-IPKO as-set: as-ipko descr: IPKO Telecommunications IPv4 as-set members: AS21246 members: AS39611 members: AS29170 members: as-atu-set members: AS57722 members: AS204100 members: AS203675 members: AS207047 members: AS204285 members: AS51404 members: AS210003 members: AS209425 members: AS207385 members: AS211458 members: AS210964 members: AS211080 members: AS210693 members: AS213206 members: AS206358 members: AS206088 admin-c: DUMY-RIPE tech-c: DUMY-RIPE mnt-by: MNT-IPKO-NOC created: 2009-11-19T08:17:20Z last-modified: 2023-09-30T18:29:16Z 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: ****************************