These entries are queried from radb.net using whois, you can try my project getting these.
:AS-GPT as-set: AS-GPT descr: AS-SET of Garant-Park-Telecom remarks: --------------------------- members: AS5537 members: AS8441 members: AS20848 members: AS25537 members: AS29634 members: AS31620 members: AS35569 members: AS35594 members: AS42751 members: AS61269 members: AS61293 members: AS-RUCENTER members: AS-HCRU members: AS-RU-RECONN remarks: ----------------------------- remarks: AS-GPT is the only usable as-set remarks: since 08 july 2008 remarks: ----------------------------- tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: AS5537-MNT created: 2003-01-14T10:05:04Z last-modified: 2019-09-30T06:39:43Z 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: ****************************