These entries are queried from radb.net using whois, you can try my project getting these.
:AS-IONLINE-ISP as-set: AS-IONLINE-ISP descr: iONLINE ISP members: AS327909,AS215128,AS401008 admin-c: THOMH2-ARIN tech-c: THOMH2-ARIN mnt-by: MNT-IISP-3 created: 2024-04-11T02:40:28Z last-modified: 2024-04-19T17:59:35Z source: ARIN as-set: AS-IONLINE-ISP descr: iONLINE ISP members: AS327909 members: AS215128 members: AS401008 admin-c: HT15-AFRINIC tech-c: RF22-AFRINIC notify: *** [at] ionlinesp.com descr: iONLINE ISP mnt-by: iONLINE-MNT changed: *** [at] ionlinesp.com 20240419 source: AFRINIC as-set: AS-IONLINE-ISP descr: iONLINE ISP members: AS327909 members: AS215128 members: AS401008 notify: noc [at] ionlinesp.co.za mnt-by: MAINT-AS327909 changed: herman [at] ionlinesp.com 20240419 # 1802Z source: RADB last-modified: 2024-04-19T18:02:32Z