These entries are queried from radb.net using whois, you can try my project getting these.
:AS54765 route: 199.88.246.0/23 descr: Proxy Object origin: AS54765 remarks: Proxy object for AIR-LAND_TRANSPORT AKA, MANAGEMENT-INVESTMENT-CORPORATION mnt-by: MAINT-AS40948 changed: brussell [at] stratusnet.com 20161021 #17:39:40Z source: RADB last-modified: 2023-11-13T15:49:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.88.247.0/24 descr: Proxy Object origin: AS54765 remarks: Proxy Object for AIR-LAND TRANSPORT mnt-by: MAINT-AS40948 changed: brussell [at] stratusnet.com 20161010 #19:42:54Z source: RADB last-modified: 2023-11-13T15:49:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:10f:700::/44 descr: Air Land Transport/MANAGEMENT-INVESTMENT-CORPORATION proxy object origin: AS54765 remarks: Proxy Object mnt-by: MAINT-AS40948 changed: brussell [at] stratusnet.com 20171024 #21:36:04Z source: RADB last-modified: 2023-11-13T15:51:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:10f:7000::/44 descr: Proxy object for Air Land Transport Service origin: AS54765 remarks: LOA on file with Stratus mnt-by: MAINT-AS40948 changed: brussell [at] stratusnet.com 20180216 #15:34:04Z source: RADB last-modified: 2023-11-13T15:53:20Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source