These entries are queried from radb.net using whois, you can try my project getting these.
:AS-ROOT as-set: AS-ROOT descr: root SA members: AS5577 members: AS11325 members: AS15780 members: AS199071 members: AS21357 members: AS24611 members: AS49121 members: AS49624 members: AS51405 members: AS53667 members: AS54456 members: AS58146 members: AS60391 members: AS60778 members: AS6647 members: AS8632 admin-c: BK5536-RIPE tech-c: KV1670-RIPE mnt-by: MAINT-AS46786 changed: noc [at] iptransit.com 20210105 #06:42:30Z source: RADB as-set: AS-ROOT descr: root SA members: AS3189 members: AS5577 members: AS20144 members: AS34769 members: AS44042 members: AS43935 members: AS50908 members: AS51430 members: AS54456 members: AS56421 members: AS60778 members: AS197219 members: AS-BITNAMES members: AS-COMPLIFE members: AS-DCLUX members: AS-LUCIX members: AS-LOL members: AS-MCKAY members: AS-RESTENA members: AS-SOLIDO members: AS-VOIPGATE members: AS53667 members: AS198412 members: AS200840 members: AS49121 members: AS11325 admin-c: DUMY-RIPE tech-c: DUMY-RIPE mnt-by: ROOT-MNT created: 2007-11-08T18:06:47Z last-modified: 2017-02-21T08:11:00Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: ****************************