These entries are queried from radb.net using whois, you can try my project getting these.
:AS-NEXRIL as-set: AS-NEXRIL descr: Nexril & Downstream Customers members: AS971 members: AS13830 members: AS21903 members: AS36198 members: AS39618 members: AS46505 members: AS206216 members: AS206699 members: AS207036 members: AS208810 members: AS209864 members: AS210715 members: AS211014 members: AS211169 members: AS211980 members: AS212243 members: AS399888 admin-c: WANGJ56-ARIN tech-c: NOC32599-ARIN mnt-by: MNT-CSL-548 created: 2022-04-04T23:53:14Z last-modified: 2023-11-26T19:28:50Z source: ARIN