These entries are queried from radb.net using whois, you can try my project getting these.
:AS-SB as-set: AS-SB descr: BGP AS announcment list of SB/PR members: AS15657 members: AS42027 members: AS57342 admin-c: DUMY-RIPE tech-c: DUMY-RIPE mnt-by: ALL-MNT created: 2008-11-07T20:00:57Z last-modified: 2018-09-12T01:04:25Z 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: **************************** as-set: AS-SB descr: SB Professional Services members: AS24013 members: AS32727 remarks: For SB NOC only mnt-by: MAINT-AS9312 changed: david [at] xtom.com 20180729 #14:22:31Z source: RADB last-modified: 2023-11-13T15:54:23Z