These entries are queried from radb.net using whois, you can try my project getting these.
:AS-THEGIGABIT as-set: AS-THEGIGABIT descr: Gigabit Peering members: AS134519 members: AS45352 members: AS133416 members: AS24446 members: AS55720 members: AS134202 members: AS135017 members: AS46844 members: AS132444 members: AS133448 members: AS135026 members: AS42962 members: AS131297 members: AS137510 members: AS55855 members: AS133771 members: AS139265 members: AS131651 members: AS136749 members: AS135017 members: AS141190 members: AS139471 members: AS132825 members: AS142591 members: AS136258 members: AS149440 members: AS150172 members: AS133480 members: AS135542 mnt-by: MAINT-AS55720 changed: west.teoh [at] thegigabit.com 20230921 #00:22:37Z source: RADB last-modified: 2023-11-13T16:18:37Z