These entries are queried from radb.net using whois, you can try my project getting these.
:AS-COMNET-BG as-set: AS-COMNET-BG descr: ComNet Bulgaria Customer AS Numbers remarks: ComNet Bulgaria - Clients members: AS29084 remarks: Iconnect.bg - Pazardjik members: AS-iConnect-BG remarks: Omega.bg - Velingrad members: AS42855 remarks: Nesebar-Lan Nessebar.net Vision2008 members: AS59463 remarks: ArtMedia-Unacs members: AS61975 remarks: API.BG - ROAD INFRASTRUCTURE AGENCY members: AS203484 remarks: RN-TV MG2002-AS members: AS49849 tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: COMNET-ADM created: 2011-01-21T08:06:56Z last-modified: 2021-02-24T10:50:47Z 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: ****************************