These entries are queried from radb.net using whois, you can try my project getting these.
:AS-SPECTRAIP as-set: AS-SPECTRAIP remarks: --------------- SpectraIP B.V. AS-SET --------------- members: AS62068 members: AS49042 members: AS49133 members: AS50868 members: AS64425 members: AS64487 members: AS206776 members: AS212025 members: AS-49870 tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: SPECTRAIP-MNT created: 2019-02-10T18:03:03Z last-modified: 2023-04-05T11:18:47Z 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: ****************************