These entries are queried from radb.net using whois, you can try my project getting these.
:AS-SBB as-set: AS-SBB descr: Serbia Broadband and IP tranzit customers members: AS31042 members: AS61065 members: AS8270,AS12823,AS15832,AS15926,AS16477,AS25337,AS25464,AS34258 members: AS41404,AS41507,AS42860,AS43125,AS43335,AS44301,AS44143,AS44958,AS43547,AS47222 members: AS47663,AS47666,AS47731,AS48015,AS48414,AS48177,AS49167,AS49200,AS49402,AS49717,AS51002,AS51908 members: AS52105,AS56576,AS57031,AS57550,AS59544,AS57595,AS59737,AS59992,AS61067,AS196886 members: AS198237,AS198273,AS198360,AS198370,AS198371,AS198649 members: AS201047,AS202749,AS205354,AS203512,AS203877,AS204215,AS204851,AS205313,AS211988,AS212492,AS213008,AS394977,AS205347,AS202756,AS212897,AS3573,AS205201 members: AS-TELEMACH-BH,AS-TELEMACH-ME,AS-ABSOLUTOK,AS3212:AS-TELEMACH,AS-KDS,AS-FORTHNET,AS-BTC-UP,AS-TELEMACH-HR,AS-WIND-HELLAS,AS-BULSATCOM members: AS-ARTCOMMUNICATION,AS-MADNET-RS,AS-PHOENIXNAP-RIPE,AS-MOZZARTBET,AS-MNSHA,AS-UNICOM,AS-IT011 admin-c: DUMY-RIPE tech-c: DUMY-RIPE mnt-by: AS31042-MNT created: 2007-06-28T16:16:14Z last-modified: 2024-04-15T10:17:24Z 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: **************************** as-set: AS-SBB descr: SmarterBroadband ASNs members: AS46276 members: AS46276:AS-CUSTOMERS admin-c: BRODE2-ARIN tech-c: BRODE2-ARIN notify: noc [at] smarterbroadband.com mnt-by: MAINT-AS46276 changed: matt [at] sbb.net 20201122 #04:06:56Z source: RADB last-modified: 2023-11-13T16:03:01Z