These entries are queried from radb.net using whois, you can try my project getting these.
:AS-DTLN as-set: AS-DTLN descr: DTLN members: AS49063 members: AS48197 members: AS43973 members: AS2854 members: AS43900 members: AS56364 members: AS56784 members: AS44704 members: AS51698 members: AS49207 members: AS198770 members: AS198762 members: AS57570 members: AS61378 members: AS61379 members: AS50040 members: AS12820 members: AS60827 members: AS199444 members: AS200122 members: AS58116 members: AS62070 members: AS198929 members: AS58147 members: AS57645 members: AS56903 members: AS51668 members: AS29172 members: AS204198 members: AS25397 members: AS199420 members: AS34602 members: AS58084 members: AS49335 members: AS57906 members: AS42974 members: AS50002 members: AS203891 members: AS43952 members: AS49797 members: AS61178 members: AS203510 members: AS203203 members: AS39711 members: AS6761 members: AS198437 members: AS-OSMP members: AS-MSLINK members: AS-NET21 members: AS-SDK members: AS-AGAVA members: as-gigabase-2 members: AS-TEZTOUR members: as-flygroup members: AS-STARLNK members: AS-WNNR members: AS-NETONERUS members: AS199532 members: AS-CITTEL members: AS42069 members: AS204276 members: AS-ITSOFT members: AS-GAIJIN members: AS51218 members: AS-VITNET members: AS-SETEL members: AS206932 members: AS44903 members: AS197961 members: AS44915 members: AS203714 members: AS202963 members: AS199194 members: AS201571 members: AS-EVOTOR members: AS42834 members: AS206138 members: AS199194 members: AS203444 members: AS59406 members: AS62316 members: AS205954 members: AS205840 members: AS59452 members: AS47677 members: AS14576 members: AS49675 members: AS57212 members: AS49684 members: AS-LIFESTREAM members: AS43590 members: AS202768 members: AS205126 members: AS-DEAC members: AS47168 members: AS60064 members: AS57271 members: AS204671 members: AS207104 members: AS53889 members: AS202508 members: AS49797 members: AS-RENINS members: AS201851 members: AS-NETORN members: AS200952 members: AS59673 members: AS29561 members: AS201008 members: AS198615 members: AS201312 members: AS49347 members: AS50416 members: AS205401 members: AS60299 members: AS57658 members: AS42219 members: AS200389 members: AS35802 members: AS58207 members: AS62382 members: AS209599 members: AS51668 members: AS206668 members: AS34597 members: AS210200 members: AS39697 members: AS24613 members: AS207984 members: AS61375 members: AS48614 members: AS202804 members: AS40676 members: AS35802 members: AS34639 members: AS200390 members: AS50002 members: AS212863 members: AS201812 members: AS201119 members: AS205502 members: AS-APTK members: AS56398 members: AS44802 members: AS44687 members: AS215457 tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: dtln-mnt created: 2009-05-26T06:29:57Z last-modified: 2024-02-22T14:45:58Z source: RIPE members: AS212545 members: AS206708 members: AS47905 members: AS13302 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: ****************************