These entries are queried from radb.net using whois, you can try my project getting these.
:AS-SET-IPSERVERONE as-set: as-set-ipserverone descr: ASes List of IPServerOne members: AS134190,AS45352,AS45144,AS132872,AS133114,AS133437,AS56229,AS56109,AS133936,AS134066,AS131310,AS8252,AS56092,AS133918,AS55761,AS55855,AS23678,AS133889,AS133499,AS132111,AS45410,AS135553,AS4773,AS55329,AS38901,AS136412,AS7632,AS9905,AS42577,AS45710,AS17666,AS45808,AS132855,AS132197,AS205329,AS23659,AS132033,AS45121,AS132033,AS132850,AS137240,AS136552,AS137923,AS55303,AS131273,AS9656,AS137510,AS138148,AS58983,AS139250,AS139254,AS133201,AS137932,AS139605,AS45331,AS139730,AS-X86-CUSTOMERS,AS140586,AS140710,AS141371,AS141424,AS58983,AS140405,AS132885,AS45887,AS135277,AS142628,AS132198,AS147040,AS140092,AS55822,AS24028,AS45410,AS133169,AS58910,AS132022,AS140344,AS151470,AS152113,AS151806,AS45668,AS54994 mbrs-by-ref: MAINT-IPSERVERONE-MY admin-c: IPS1NETAD tech-c: IPS1NETAD remarks: IP ServerOne AS-SET notify: ipnoc [at] ipserverone.com mnt-by: MAINT-AS45352 changed: cllee [at] ipserverone.com 20240220 # 0451Z source: RADB last-modified: 2024-02-20T04:51:53Z as-set: as-set-ipserverone descr: ASes List of IPServerOne tech-c: ISSS1-AP admin-c: ISSS1-AP mnt-by: MAINT-IPSERVERONE-MY last-modified: 2024-02-20T04:50:54Z members: AS134190,AS45352,AS45144,AS132872,AS133114,AS133437,AS56229,AS56109,AS133936,AS134066,AS131310,AS8252,AS56092,AS133918,AS55761,AS55855,AS23678,AS133889,AS133499,AS132111,AS45410,AS135553,AS4773,AS55329,AS38901,AS136412,AS7632,AS9905,AS42577,AS45710,AS17666,AS45808,AS132855,AS132197,AS205329,AS23659,AS132033,AS45121,AS132033,AS132850,AS137240,AS136552,AS137923,AS55303,AS131273,AS9656,AS137510,AS138148,AS58983,AS139250,AS139254,AS133201,AS137932,AS139605,AS45331,AS139730,AS-X86-CUSTOMERS,AS140586,AS140710,AS141371,AS141424,AS58983,AS140405,AS132885,AS45887,AS135277,AS142628,AS132198,AS147040,AS140092,AS55822,AS24028,AS45410,AS133169,AS58910,AS132022,AS140344,AS151470,AS152113,AS151806,AS45668,AS54994 source: APNIC