These entries are queried from radb.net using whois, you can try my project getting these.
:AS-TELEKOM as-set: AS-TELEKOM descr: TELEKOM SRBIJA - Customers' AS Numbers members: AS8400 members: AS8534 members: AS60137 members: AS211196 members: AS-BLUENET members: AS-YUNET members: AS25431 members: AS34131 members: AS35796 members: AS213008 members: AS47663 members: AS29163 members: AS211988 members: AS34258 members: AS31161 members: AS34404 members: AS35573 members: AS208798 members: AS39377 members: AS9119 members: AS31716 members: AS33983 members: AS60707 members: AS-MTSDOO members: AS-TELENORDOO members: AS-KUJTESA-SET members: AS-ORIONTELEKOMTIM members: AS-TELEKOM-SRPSKE members: AS-BEOTELNET members: AS-PTT-SRBIJA-NET members: AS-MTS-DOO members: AS-ANEXIA members: AS25467 members: AS203824 members: AS41507 members: AS8270 members: AS41937 members: AS-VERATNET members: AS41897 members: AS42571 members: AS42186 members: AS43784 members: AS199315 members: AS-MTEL members: AS213142 members: AS-NEOTEL-SET members: AS44252 members: AS58266 members: AS44287 members: AS15397 members: AS33983 members: AS200724 members: AS48015 members: AS15926 members: AS-IPKO members: AS48688 members: AS43084 members: AS43281 members: AS34299 members: AS49198 members: AS51052 members: AS43335 members: AS-ORIONTELEKOM members: AS51451 members: AS51602 members: AS51908 members: AS52068 members: AS198370 members: AS49486 members: AS43125 members: AS57550 members: AS56569 members: AS198273 members: AS49412 members: AS44958 members: AS198649 members: AS198603 members: AS47666 members: AS58266 members: AS9081 members: AS50693 members: AS15832 members: AS197423 members: AS59737 members: AS56816 members: AS201236 members: AS197324 members: AS198961 members: AS201278 members: AS52116 members: AS197021 members: AS43191 members: AS25464 members: AS33076 members: AS44323 members: AS208734 members: AS47451 members: AS57070 members: AS60861 members: AS62420 members: AS200276 members: AS201047 members: AS203487 members: AS42473 members: AS43277 members: AS203572 members: AS203877 members: AS204215 members: AS204618 members: AS205620 members: AS206034 members: AS206580 members: AS209130 members: AS8585 members: AS-KDS members: AS42603 members: AS57129 members: AS48580 members: AS9146 members: AS49402 members: AS60471 members: AS204851 members: AS208856 members: AS209372 members: AS49122 members: AS59992 members: AS59864 members: AS9125 members: AS211555 members: AS57463 members: AS205450 members: AS196886 members: AS210740 members: AS211926 members: AS207766 members: AS201382 members: AS205065 members: AS199398 tech-c: DUMY-RIPE admin-c: DUMY-RIPE notify: admin [at] telekom.rs mnt-by: AS8400-MNT created: 2002-04-18T11:42:48Z last-modified: 2023-07-06T10:00:23Z source: RIPE remarks: asdot to asplain conversion 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: ****************************