These entries are queried from radb.net using whois, you can try my project getting these.
:AS-UKRTELBT as-set: AS-UKRTELBT descr: Ukrtelecom to Internet members: AS6849 members: AS6846 members: AS6877 members: AS8770 members: AS12593 members: AS12706 members: AS13053 members: AS15742 members: AS13188 members: AS16066 members: AS16124 members: AS20796 members: AS21029 members: AS24882 members: AS25000 members: AS25015 members: AS25398 members: AS29044 members: AS29102 members: AS29116 members: AS29186 members: AS29342 members: AS31149 members: AS31173 members: AS31468 members: AS31531 members: AS31542 members: AS34065 members: AS34068 members: AS34094 members: AS34190 members: AS35340 members: AS35341 members: AS39065 members: AS39071 members: AS39096 members: AS39130 members: AS39147 members: AS39222 members: AS39262 members: AS39329 members: AS39399 members: AS39748 members: AS39822 members: AS41166 members: AS41478 members: AS41710 members: AS42057 members: AS42066 members: AS42489 members: AS42600 members: AS43022 members: AS43051 members: AS43411 members: AS43786 members: AS43789 members: AS44019 members: AS44321 members: AS44336 members: AS44434 members: AS44495 members: AS47245 members: AS47415 members: AS48010 members: AS48329 members: AS48422 members: AS48637 members: AS48649 members: AS48672 members: AS48759 members: AS49087 members: AS49720 members: AS49883 members: AS50005 members: AS50140 members: AS50361 members: AS50581 members: AS50847 members: AS50864 members: AS51475 members: AS51742 members: AS51950 members: AS51993 members: AS51995 members: AS56465 members: AS56526 members: AS56543 members: AS56812 members: AS56818 members: AS56851 members: AS57330 members: AS57483 members: AS57519 members: AS60173 members: AS60030 members: AS60990 members: AS196808 members: AS196877 members: AS197454 members: AS197781 members: AS198532 members: AS198600 members: AS198659 members: AS198845 members: AS198899 members: AS198958 members: AS199440 members: AS200049 members: AS200381 members: AS200582 members: AS202026 members: AS202165 members: AS203930 members: AS204294 members: AS204715 members: AS205188 members: AS206424 members: AS206513 members: AS206638 members: AS206949 members: AS207558 members: AS208067 members: AS209155 members: AS209501 members: AS211195 members: AS211455 members: AS212571 members: AS-EUROTELE members: AS-THEHOST members: AS-CYFRA-UA members: AS-SOHONET members: AS-X-COM members: AS-FENIXVT tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: AS6849-MNT created: 2002-09-12T07:12:46Z last-modified: 2024-01-15T08:04:38Z 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: ****************************