These entries are queried from radb.net using whois, you can try my project getting these.
:AS135554 route: 103.123.32.0/22 origin: AS135554 descr: Link Line Ambia Market, Tel Ghat Mosjid Road mnt-by: MAINT-LINK-BD last-modified: 2018-09-25T07:11:34Z source: APNIC rpki-ov-state: valid route: 103.123.32.0/23 origin: AS135554 descr: Mohammed Samim Shak Ambia Market, Tel Ghat Mosjid Road mnt-by: MAINT-LINK-BD last-modified: 2020-03-12T06:16:32Z source: APNIC rpki-ov-state: valid route: 103.123.32.0/24 descr: Link Line Ambia Market, Tel Ghat Mosjid Road origin: AS135554 mnt-by: MAINT-LINK-BD last-modified: 2020-01-23T10:31:27Z source: APNIC rpki-ov-state: valid route: 103.123.33.0/24 origin: AS135554 descr: Link Line Ambia Market, Tel Ghat Mosjid Road mnt-by: MAINT-LINK-BD last-modified: 2018-09-25T07:13:02Z source: APNIC rpki-ov-state: valid route: 103.123.34.0/23 origin: AS135554 descr: Mohammed Samim Shak Ambia Market, Tel Ghat Mosjid Road mnt-by: MAINT-LINK-BD last-modified: 2020-03-12T06:16:33Z source: APNIC rpki-ov-state: valid route: 103.123.34.0/24 origin: AS135554 descr: Link Line Ambia Market, Tel Ghat Mosjid Road mnt-by: MAINT-LINK-BD last-modified: 2018-09-25T07:12:43Z source: APNIC rpki-ov-state: valid route: 103.123.35.0/24 origin: AS135554 descr: Link Line Ambia Market, Tel Ghat Mosjid Road mnt-by: MAINT-LINK-BD last-modified: 2018-09-25T07:12:33Z source: APNIC rpki-ov-state: valid