These entries are queried from radb.net using whois, you can try my project getting these.
:AS137668 route: 103.121.0.0/22 descr: SANAVI INFOFTECH OPC PVT LTD_OMBB201812284122655 origin: AS137668 mnt-by: MAINT-AS18101 changed: ip.nnoc [at] relianceada.com 20190102 #07:39:23Z source: RADB last-modified: 2023-11-13T15:55:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.121.0.0/22 descr: Sanavi Infotech Opc Pvt. Ltd mnt-by: MAINT-IN-SIOPCPL origin: AS137668 last-modified: 2020-07-05T02:17:12Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.121.0.0/23 descr: Sanavi Infotech Opc Pvt. Ltd mnt-by: MAINT-IN-SIOPCPL origin: AS137668 last-modified: 2020-07-05T02:17:12Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.121.0.0/24 descr: Sanavi Infotech Opc Pvt. Ltd mnt-by: MAINT-IN-SIOPCPL origin: AS137668 last-modified: 2020-07-05T02:17:13Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.121.1.0/24 descr: Sanavi Infotech Opc Pvt. Ltd mnt-by: MAINT-IN-SIOPCPL origin: AS137668 last-modified: 2020-07-05T02:17:13Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.121.2.0/23 descr: Sanavi Infotech Opc Pvt. Ltd mnt-by: MAINT-IN-SIOPCPL origin: AS137668 last-modified: 2020-07-05T02:17:13Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.121.2.0/24 descr: Sanavi Infotech Opc Pvt. Ltd mnt-by: MAINT-IN-SIOPCPL origin: AS137668 last-modified: 2020-07-05T02:17:13Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.121.3.0/24 descr: Sanavi Infotech Opc Pvt. Ltd mnt-by: MAINT-IN-SIOPCPL origin: AS137668 last-modified: 2020-07-05T02:17:13Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source