These entries are queried from radb.net using whois, you can try my project getting these.
:AS139300 route: 103.141.2.0/23 origin: AS139300 descr: Mohammad Omar Faruk mnt-by: MAINT-FUTURENETWORK-BD last-modified: 2023-05-31T01:54:41Z country: BD source: APNIC rpki-ov-state: valid route: 103.167.41.0/24 origin: AS139300 descr: Masud Alam Rana mnt-by: MAINT-KIN-BD last-modified: 2023-09-27T13:49:06Z source: APNIC rpki-ov-state: valid route6: 2001:df0:e280::/48 origin: AS139300 descr: Future Network mnt-by: MAINT-FUTURENETWORK-BD last-modified: 2023-09-04T11:29:42Z source: APNIC rpki-ov-state: valid