These entries are queried from radb.net using whois, you can try my project getting these.
:AS-OPTICON as-set: AS-OPTICON descr: OPTICON Telekommunikacios Halozati Szolgaltato remarks: Opticon members: AS24822 members: AS212707 tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: MNT-OPTICON mnt-by: mnt-hu-opcnet-1 created: 2010-03-30T13:56:04Z last-modified: 2021-01-21T14:17:19Z 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: ****************************