These entries are queried from radb.net using whois, you can try my project getting these.
:AS-CHIX as-set: AS-CHIX descr: ASes announce by CloudHost IPTX tech-c: CHPL5-AP admin-c: CHPL5-AP mnt-by: MAINT-CLOUDHOST-SG mnt-lower: MAINT-CLOUDHOST-SG last-modified: 2022-07-14T11:30:11Z members: AS138608 members: AS136052,AS138062,AS139933,AS149364 members: AS58390,AS147128,AS132647 remarks: ************************************************* remarks: * If you have any question regarding this object remarks: * Please contact admin-c contact remarks: ************************************************* source: APNIC