These entries are queried from radb.net using whois, you can try my project getting these.
:AS131425 route: 103.48.76.0/22 descr: AS OF The gioi di dong jsc origin: AS131425 mnt-by: MAINT-VIETTEL notify: tdip [at] viettel.com.vn changed: minhna4 [at] viettel.com.vn 20150925 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.48.76.0/22 origin: AS131425 descr: VNPT-NET mnt-by: MAINT-AS45899 changed: radb [at] vnpt.vn 20231124 # 1249Z source: RADB last-modified: 2023-11-24T12:49:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.48.76.0/24 descr: AS OF The gioi di dong jsc origin: AS131425 mnt-by: MAINT-VIETTEL notify: tdip [at] viettel.com.vn changed: minhna4 [at] viettel.com.vn 20150925 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.48.76.0/24 origin: AS131425 descr: VNPT-Customer-TGDD mnt-by: MAINT-AS45899 changed: radb [at] vnpt.vn 20221128 notify: ktm.ip [at] vnpt.vn source: RADB last-modified: 2023-11-13T16:13:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.48.77.0/24 descr: AS OF The gioi di dong jsc origin: AS131425 mnt-by: MAINT-VIETTEL notify: tdip [at] viettel.com.vn changed: minhna4 [at] viettel.com.vn 20150925 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.48.78.0/24 origin: AS131425 descr: VNPT-Customer-TGDD mnt-by: MAINT-AS45899 changed: radb [at] vnpt.vn 20221128 notify: ktm.ip [at] vnpt.vn source: RADB last-modified: 2023-11-13T16:13:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.48.78.0/24 descr: AS OF The gioi di dong jsc origin: AS131425 mnt-by: MAINT-VIETTEL notify: tdip [at] viettel.com.vn changed: minhna4 [at] viettel.com.vn 20150925 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.48.79.0/24 descr: AS OF The gioi di dong jsc origin: AS131425 mnt-by: MAINT-VIETTEL notify: tdip [at] viettel.com.vn changed: minhna4 [at] viettel.com.vn 20150925 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.48.79.0/24 origin: AS131425 descr: VNPT-Customer-TGDD mnt-by: MAINT-AS45899 changed: radb [at] vnpt.vn 20221128 notify: ktm.ip [at] vnpt.vn source: RADB last-modified: 2023-11-13T16:13:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source