These entries are queried from radb.net using whois, you can try my project getting these.
:AS-EGATE as-set: AS-EGATE descr: E-Gate and Customers members: AS13657 members: AS9327:AS-HOPCOUNT members: AS-CASTOR-NETWORKS members: AS20144 members: AS-DIGITCOM members: AS30414 members: AS16995 members: AS15135 members: AS14007 members: AS13810 tech-c: PA137-ARIN admin-c: PA137-ARIN mnt-by: MNT-EGAT changed: andrew [at] egate.net 20190115 source: ARIN