These entries are queried from radb.net using whois, you can try my project getting these.
:AS-PANSERVICE as-set: AS-PANSERVICE descr: Panservice - Connected ASes members: AS20912 members: AS206207 members: AS9104 members: AS15663 members: AS20144 members: AS35131 members: AS45015 members: AS56472 members: AS60803 members: AS197506 members: AS199181 members: AS201127 members: AS202339 members: AS209418 members: AS213338 remarks: AS45015 submembers members: AS205498 remarks: AS56472 submembers members: AS16141 admin-c: DUMY-RIPE tech-c: DUMY-RIPE mnt-by: PANSERVICE-NOC remarks: Please report abuses to abuse [at] panservice.it created: 2005-12-19T08:37:57Z last-modified: 2023-08-30T14:47:16Z 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: ****************************