These entries are queried from radb.net using whois, you can try my project getting these.
:AS63984 route: 103.57.151.0/24 descr: route object of NexDecade origin: AS63984 mnt-by: MAINT-VTS-BD last-modified: 2015-05-24T11:11:07Z source: APNIC rpki-ov-state: valid route: 103.68.104.0/24 descr: route object of NexDecade origin: AS63984 mnt-by: MAINT-VTS-BD last-modified: 2016-07-18T10:49:29Z source: APNIC rpki-ov-state: valid route: 103.204.82.0/23 origin: AS63984 descr: Nexdecade Technology Pvt. LTD 44F/6, flat#402, west panthapath, raja bazar, tejgoan mnt-by: MAINT-VTS-BD last-modified: 2021-03-24T11:14:13Z source: APNIC rpki-ov-state: valid route: 103.204.82.0/24 origin: AS63984 descr: Nexdecade Technology Pvt. LTD 44F/6, flat#402, west panthapath, raja bazar, tejgoan mnt-by: MAINT-VTS-BD last-modified: 2021-03-24T11:14:40Z source: APNIC rpki-ov-state: valid route: 103.204.83.0/24 origin: AS63984 descr: Nexdecade Technology Pvt. LTD 44F/6, flat#402, west panthapath, raja bazar, tejgoan mnt-by: MAINT-VTS-BD last-modified: 2021-03-24T11:15:12Z source: APNIC rpki-ov-state: valid route: 206.84.84.0/23 origin: AS63984 descr: Route Registered for Cogent Communications Customer Nexdecade Technology Pvt. LTD mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20201222 #09:14:47Z source: RADB last-modified: 2023-11-13T16:03:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2400:6120::/32 origin: AS63984 descr: Nexdecade Technology Pvt. LTD 44F/6, flat#402, west panthapath, raja bazar, tejgoan mnt-by: MAINT-VTS-BD last-modified: 2022-03-08T11:32:50Z source: APNIC rpki-ov-state: valid