These entries are queried from radb.net using whois, you can try my project getting these.
:AS-HOSTVIRTUAL as-set: AS-HOSTVIRTUAL members: AS47869 members: AS43519 members: AS32261 members: AS29997 descr: Host Virtual, Inc members: AS328143 members: AS394087 members: AS43126 members: AS396140 members: AS64269 members: AS12041 members: AS393941 members: AS51790 members: AS30081 members: AS135561 members: AS27267 members: AS396159 members: AS136473 members: AS206998 members: AS36217 members: AS33119 members: AS43181 members: AS26008 members: AS22663 members: AS40138 members: AS64089 members: AS42210 members: AS60044 members: AS63420 members: AS10908 members: AS134795 members: AS46484 members: AS62512 members: AS201612 members: AS36236 members: AS199386 members: AS23156 members: AS53847 members: AS6838 members: AS18609 members: AS44428 members: AS62597 members: AS27331 members: AS133183 members: AS12824 members: AS262144 members: AS16737 members: AS59380 members: AS54170 members: AS16686 members: AS61084 members: AS60592 members: AS37597 members: AS25692 members: AS63911 members: AS36221 members: AS55079 members: AS132873 members: AS-QN-ANYCAST members: AS-NOMINET-NS members: AS29761 members: AS24482 members: AS58867 members: AS59211 remarks: Level3 members: RADB::AS-QN-ANYCAST members: AS62512 members: AS3132 tech-c: DUMY-RIPE admin-c: DUMY-RIPE members: AS34432 members: AS16244 members: AS8561 members: AS53541 members: AS395403 members: AS202153 members: AS3722 members: AS394344 members: AS13647 members: AS28053 members: AS61107 members: AS23734 members: AS207021 members: AS205252 members: AS137065 members: AS34012 members: AS33047 members: AS60890 members: AS201303 members: AS204055 mnt-by: HostVirtual created: 2011-06-24T11:48:25Z last-modified: 2018-07-24T15:48:25Z 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-HOSTVIRTUAL descr: Legacy AS-SET members: AS-NETACTUATE mnt-by: MAINT-AS36236 changed: ops [at] netactuate.com 20210202 #17:17:11Z source: RADB last-modified: 2023-11-13T16:03:31Z