These entries are queried from radb.net using whois, you can try my project getting these.
:AS-PLNET as-set: AS-PLNET descr: AS'es announced by PIONIER to Geant and DWS members: AS8501,AS8267,AS12324,AS1887,AS8664,AS8890,AS8633 members: AS8286,AS8970,AS12423,AS8323,AS8326 members: AS5550,AS8766,AS9112,AS9103,AS13119,AS8508,AS15373 members: AS12464,AS8256,AS15798,AS15665,AS8865 members: AS20555,AS21182,AS24848,AS25468,AS24597,AS28678 members: AS16263,AS31381,AS39909,AS41092,AS41385,AS48227 members: AS196802,AS48534,AS50561,AS50934 members: AS197552,AS197982,AS196887,AS48183,AS44959,AS20555 members: AS25075,AS199279,AS199028,AS60421,AS199936,AS202121 members: AS47404,AS48395,AS197005,AS201617,AS25495 members: AS61983,AS8962,AS61216,AS197005,AS50355,AS198522 members: AS200670,AS56904,AS199584,AS201209,AS202748,AS207012 members: AS206006,AS15606,AS201125,AS205706,AS201305,AS209314 members: AS206802,AS207352,AS213088,AS31646,AS198743,AS212837 remarks: URAN: members: AS-URAN-GEANT remarks: BASNET: members: AS-BASNET admin-c: DUMY-RIPE tech-c: DUMY-RIPE mnt-by: PIONIER-AS-MNT mnt-by: AS8256-MNT created: 2002-06-04T09:51:10Z last-modified: 2023-10-02T06:51:57Z 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: ****************************