These entries are queried from radb.net using whois, you can try my project getting these.
:AS136516 route6: 2403:6640::/32 origin: AS136516 descr: Masud Rana House#252/1, Road#6, Mohammadi Housing Limited, Mohammadpur. mnt-by: MAINT-UNIQUENET-BD last-modified: 2019-10-17T08:02:49Z source: APNIC rpki-ov-state: valid route6: 2403:6640::/33 origin: AS136516 descr: Masud Rana 252/1,Road-6 Mohammadia Housing Limited Mohammadpur,Dhaka-1207 mnt-by: MAINT-UNIQUENET-BD last-modified: 2022-07-31T06:30:04Z source: APNIC rpki-ov-state: valid route6: 2403:6640::/34 origin: AS136516 descr: Masud Rana 252/1,Road-6 Mohammadia Housing Limited Mohammadpur,Dhaka-1207 mnt-by: MAINT-UNIQUENET-BD last-modified: 2022-07-31T06:30:06Z source: APNIC rpki-ov-state: valid route6: 2403:6640::/35 origin: AS136516 descr: Masud Rana 252/1,Road-6 Mohammadia Housing Limited Mohammadpur,Dhaka-1207 mnt-by: MAINT-UNIQUENET-BD last-modified: 2022-07-31T06:30:07Z source: APNIC rpki-ov-state: valid route6: 2403:6640::/36 origin: AS136516 descr: Masud Rana 252/1,Road-6 Mohammadia Housing Limited Mohammadpur,Dhaka-1207 mnt-by: MAINT-UNIQUENET-BD last-modified: 2022-07-31T06:30:08Z source: APNIC rpki-ov-state: valid route6: 2403:6640:1000::/36 origin: AS136516 descr: Masud Rana 252/1,Road-6 Mohammadia Housing Limited Mohammadpur,Dhaka-1207 mnt-by: MAINT-UNIQUENET-BD last-modified: 2022-07-31T06:30:10Z source: APNIC rpki-ov-state: valid route6: 2403:6640:2000::/35 origin: AS136516 descr: Masud Rana 252/1,Road-6 Mohammadia Housing Limited Mohammadpur,Dhaka-1207 mnt-by: MAINT-UNIQUENET-BD last-modified: 2022-07-31T06:30:11Z source: APNIC rpki-ov-state: valid route6: 2403:6640:2000::/36 origin: AS136516 descr: Masud Rana 252/1,Road-6 Mohammadia Housing Limited Mohammadpur,Dhaka-1207 mnt-by: MAINT-UNIQUENET-BD last-modified: 2022-07-31T06:30:13Z source: APNIC rpki-ov-state: valid route6: 2403:6640:3000::/36 origin: AS136516 descr: Masud Rana 252/1,Road-6 Mohammadia Housing Limited Mohammadpur,Dhaka-1207 mnt-by: MAINT-UNIQUENET-BD last-modified: 2022-07-31T06:30:14Z source: APNIC rpki-ov-state: valid route6: 2403:6640:4000::/34 origin: AS136516 descr: Masud Rana 252/1,Road-6 Mohammadia Housing Limited Mohammadpur,Dhaka-1207 mnt-by: MAINT-UNIQUENET-BD last-modified: 2022-07-31T06:30:16Z source: APNIC rpki-ov-state: valid route6: 2403:6640:4000::/35 origin: AS136516 descr: Masud Rana 252/1,Road-6 Mohammadia Housing Limited Mohammadpur,Dhaka-1207 mnt-by: MAINT-UNIQUENET-BD last-modified: 2022-07-31T06:30:17Z source: APNIC rpki-ov-state: valid route6: 2403:6640:4000::/36 origin: AS136516 descr: Masud Rana 252/1,Road-6 Mohammadia Housing Limited Mohammadpur,Dhaka-1207 mnt-by: MAINT-UNIQUENET-BD last-modified: 2022-07-31T06:30:18Z source: APNIC rpki-ov-state: valid route6: 2403:6640:5000::/36 origin: AS136516 descr: Masud Rana 252/1,Road-6 Mohammadia Housing Limited Mohammadpur,Dhaka-1207 mnt-by: MAINT-UNIQUENET-BD last-modified: 2022-07-31T06:30:20Z source: APNIC rpki-ov-state: valid route6: 2403:6640:6000::/35 origin: AS136516 descr: Masud Rana 252/1,Road-6 Mohammadia Housing Limited Mohammadpur,Dhaka-1207 mnt-by: MAINT-UNIQUENET-BD last-modified: 2022-07-31T06:30:21Z source: APNIC rpki-ov-state: valid route6: 2403:6640:6000::/36 origin: AS136516 descr: Unique Net 252/1,Road-6 Mohammadia Housing Limited Mohammadpur,Dhaka-1207 mnt-by: MAINT-UNIQUENET-BD last-modified: 2022-08-07T18:57:54Z source: APNIC rpki-ov-state: valid route6: 2403:6640:7000::/36 origin: AS136516 descr: Masud Rana 252/1,Road-6 Mohammadia Housing Limited Mohammadpur,Dhaka-1207 mnt-by: MAINT-UNIQUENET-BD last-modified: 2022-07-31T06:30:24Z source: APNIC rpki-ov-state: valid route6: 2403:6640:8000::/33 origin: AS136516 descr: Masud Rana 252/1,Road-6 Mohammadia Housing Limited Mohammadpur,Dhaka-1207 mnt-by: MAINT-UNIQUENET-BD last-modified: 2022-07-31T06:30:26Z source: APNIC rpki-ov-state: valid route6: 2403:6640:8000::/34 origin: AS136516 descr: Masud Rana 252/1,Road-6 Mohammadia Housing Limited Mohammadpur,Dhaka-1207 mnt-by: MAINT-UNIQUENET-BD last-modified: 2022-07-31T06:30:27Z source: APNIC rpki-ov-state: valid route6: 2403:6640:8000::/35 origin: AS136516 descr: Masud Rana 252/1,Road-6 Mohammadia Housing Limited Mohammadpur,Dhaka-1207 mnt-by: MAINT-UNIQUENET-BD last-modified: 2022-07-31T06:30:28Z source: APNIC rpki-ov-state: valid route6: 2403:6640:8000::/36 origin: AS136516 descr: Masud Rana 252/1,Road-6 Mohammadia Housing Limited Mohammadpur,Dhaka-1207 mnt-by: MAINT-UNIQUENET-BD last-modified: 2022-07-31T06:30:30Z source: APNIC rpki-ov-state: valid route6: 2403:6640:9000::/36 origin: AS136516 descr: Masud Rana 252/1,Road-6 Mohammadia Housing Limited Mohammadpur,Dhaka-1207 mnt-by: MAINT-UNIQUENET-BD last-modified: 2022-07-31T06:30:31Z source: APNIC rpki-ov-state: valid route6: 2403:6640:a000::/35 origin: AS136516 descr: Masud Rana 252/1,Road-6 Mohammadia Housing Limited Mohammadpur,Dhaka-1207 mnt-by: MAINT-UNIQUENET-BD last-modified: 2022-07-31T06:30:33Z source: APNIC rpki-ov-state: valid route6: 2403:6640:a000::/36 origin: AS136516 descr: Masud Rana 252/1,Road-6 Mohammadia Housing Limited Mohammadpur,Dhaka-1207 mnt-by: MAINT-UNIQUENET-BD last-modified: 2022-07-31T06:30:34Z source: APNIC rpki-ov-state: valid route6: 2403:6640:b000::/36 origin: AS136516 descr: Masud Rana 252/1,Road-6 Mohammadia Housing Limited Mohammadpur,Dhaka-1207 mnt-by: MAINT-UNIQUENET-BD last-modified: 2022-07-31T06:30:36Z source: APNIC rpki-ov-state: valid route6: 2403:6640:c000::/34 origin: AS136516 descr: Masud Rana 252/1,Road-6 Mohammadia Housing Limited Mohammadpur,Dhaka-1207 mnt-by: MAINT-UNIQUENET-BD last-modified: 2022-07-31T06:30:37Z source: APNIC rpki-ov-state: valid route6: 2403:6640:c000::/35 origin: AS136516 descr: Masud Rana 252/1,Road-6 Mohammadia Housing Limited Mohammadpur,Dhaka-1207 mnt-by: MAINT-UNIQUENET-BD last-modified: 2022-07-31T06:30:39Z source: APNIC rpki-ov-state: valid route6: 2403:6640:c000::/36 origin: AS136516 descr: Masud Rana 252/1,Road-6 Mohammadia Housing Limited Mohammadpur,Dhaka-1207 mnt-by: MAINT-UNIQUENET-BD last-modified: 2022-07-31T06:30:40Z source: APNIC rpki-ov-state: valid route6: 2403:6640:d000::/36 origin: AS136516 descr: Masud Rana 252/1,Road-6 Mohammadia Housing Limited Mohammadpur,Dhaka-1207 mnt-by: MAINT-UNIQUENET-BD last-modified: 2022-07-31T06:30:41Z source: APNIC rpki-ov-state: valid route6: 2403:6640:e000::/35 origin: AS136516 descr: Masud Rana 252/1,Road-6 Mohammadia Housing Limited Mohammadpur,Dhaka-1207 mnt-by: MAINT-UNIQUENET-BD last-modified: 2022-07-31T06:30:43Z source: APNIC rpki-ov-state: valid route6: 2403:6640:e000::/36 origin: AS136516 descr: Masud Rana 252/1,Road-6 Mohammadia Housing Limited Mohammadpur,Dhaka-1207 mnt-by: MAINT-UNIQUENET-BD last-modified: 2022-07-31T06:30:44Z source: APNIC rpki-ov-state: valid route6: 2403:6640:f000::/36 origin: AS136516 descr: Masud Rana 252/1,Road-6 Mohammadia Housing Limited Mohammadpur,Dhaka-1207 mnt-by: MAINT-UNIQUENET-BD last-modified: 2022-07-31T06:30:46Z source: APNIC rpki-ov-state: valid