These entries are queried from radb.net using whois, you can try my project getting these.
:AS-GBLXEU as-set: AS-GBLXEU descr: ASs of GlobalCrossing members: AS137 members: AS513 members: AS559 members: AS680 members: AS1103 members: AS1126 members: AS1213 members: AS1764 members: AS1836 members: AS1913 members: AS2047 members: AS2116 members: AS2119 members: AS2134 members: AS2860 members: AS3209 members: AS3216 members: AS3238 members: AS3248 members: AS3265 members: AS3295 members: AS3298 members: AS3304 members: AS3336 members: AS3444 members: AS3549 members: AS5065 members: AS5392 members: AS5394 members: AS5400 members: AS5430 members: AS5533 members: AS5552 members: AS5602 members: AS5612 members: AS5624 members: AS6067 members: AS6706 members: AS6709 members: AS6785 members: AS8068 members: AS8195 members: AS8210 members: AS8289 members: AS8359 members: AS8400 members: AS8422 members: AS8468 members: AS8473 members: AS8575 members: AS8582 members: AS8642 members: AS8686 members: AS8731 members: AS8732 members: AS8737 members: AS8767 members: AS8851 members: AS8866 members: AS8881 members: AS8896 members: AS8897 members: AS9009 members: AS9044 members: AS9167 members: AS9191 members: AS9193 members: AS9583 members: AS11521 members: AS12306 members: AS12350 members: AS12392 members: AS12394 members: AS12399 members: AS12414 members: AS12429 members: AS12530 members: AS12552 members: AS12566 members: AS12596 members: AS12597 members: AS12711 members: AS12713 members: AS12715 members: AS12716 members: AS12733 members: AS12859 members: AS12866 members: AS12874 members: AS12902 members: AS12968 members: AS12978 members: AS12996 members: AS13003 members: AS13005 members: AS13045 members: AS13100 members: AS13101 members: AS13110 members: AS13133 members: AS13193 members: AS13194 members: AS13250 members: AS13270 members: AS13272 members: AS13273 members: AS14201 members: AS15517 members: AS15570 members: AS15589 members: AS15598 members: AS15600 members: AS15612 members: AS15659 members: AS15677 members: AS15703 members: AS15743 members: AS15782 members: AS15803 members: AS15879 members: AS15937 members: AS16065 members: AS16086 members: AS16096 members: AS16128 members: AS16150 members: AS16245 members: AS16247 members: AS16265 members: AS16276 members: AS16351 members: AS16358 members: AS16455 members: AS18523 members: AS18676 members: AS18922 members: AS19178 members: AS20163 members: AS20221 members: AS20520 members: AS20569 members: AS20617 members: AS20676 members: AS20764 members: AS20804 members: AS20869 members: AS20915 members: AS20932 members: AS20961 members: AS21016 members: AS21166 members: AS21175 members: AS21195 members: AS21250 members: AS21263 members: AS21336 members: AS21369 members: AS21371 members: AS21473 members: AS21497 members: AS22343 members: AS22562 members: AS24637 members: AS24639 members: AS24720 members: AS24730 members: AS24751 members: AS24785 members: AS24880 members: AS24989 members: AS24990 members: AS25394 members: AS25426 members: AS25466 members: AS25560 members: AS28697 members: 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members: AS35193 members: AS35219 members: AS35223 members: AS35254 members: AS35260 members: AS35344 members: AS35591 members: AS35670 members: AS35716 members: AS35831 members: AS35836 members: AS36247 members: AS39003 members: AS39111 members: AS39157 members: AS39270 members: AS39344 members: AS39470 members: AS39537 members: AS39554 members: AS39579 members: AS39720 members: AS39755 members: AS39875 members: AS39912 members: AS39925 members: AS40467 members: AS40963 members: AS41164 members: AS41445 members: AS41448 members: AS41572 members: AS41678 members: AS41693 members: AS41758 members: AS41793 members: AS41880 members: AS42079 tech-c: DUMY-RIPE admin-c: DUMY-RIPE notify: dl-euipsa [at] level3.com mnt-by: LEVEL3-MNT created: 2002-09-18T13:39:16Z last-modified: 2023-04-24T18:38:22Z 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: ****************************