These entries are queried from radb.net using whois, you can try my project getting these.
:AS21783 route: 167.154.0.0/16 descr: Switch Communications Customer Route origin: AS21783 remarks: Route for State of Nevada remarks: 167.154.0.0/16-24 notify: netops-eng [at] supernap.com mnt-by: SWITCHCOM-MNT changed: netops-eng [at] supernap.com 20141110 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 167.154.0.0/16 origin: AS21783 descr: State of Nevada Government remarks: State of Nevada Enterprise IT Services admin-c: NIA5-ARIN tech-c: NEVAD1-ARIN tech-c: NIA5-ARIN mnt-by: MNT-STATEO-21-Z created: 2023-01-18T15:33:41Z last-modified: 2023-01-18T15:33:41Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 167.154.0.0/16 descr: Proxy addition for State of Nevada origin: AS21783 notify: dlnocip3 [at] charter.com notify: dldntnbb [at] charter.com mnt-by: MAINT-CHTR-WD changed: david.gleich [at] charter.com 20160309 #00:51:06Z source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 167.154.0.0/17 descr: Switch Communications Customer Route origin: AS21783 remarks: Route for State of Nevada remarks: 167.154.0.0/17-24 mnt-by: SWITCHCOM-MNT changed: netops [at] switchlv.com 20111116 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 167.154.0.0/17 origin: AS21783 descr: Telecommunications Division Capitol Complex Carson City NV 89710 United States admin-c: NIA5-ARIN tech-c: NEVAD1-ARIN tech-c: NIA5-ARIN mnt-by: MNT-STATEO-21-Z created: 2023-02-10T15:28:16Z last-modified: 2023-02-10T15:28:16Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 167.154.128.0/17 descr: Switch Communications Customer Route origin: AS21783 remarks: Route for State of Nevada remarks: 167.154.128.0/17-24 mnt-by: SWITCHCOM-MNT changed: netops [at] switchlv.com 20120223 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 167.154.128.0/17 origin: AS21783 descr: Telecommunications Division Capitol Complex Carson City NV 89710 United States admin-c: NIA5-ARIN tech-c: NEVAD1-ARIN tech-c: NIA5-ARIN mnt-by: MNT-STATEO-21-Z created: 2023-02-10T15:29:01Z last-modified: 2023-02-10T15:29:01Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 167.154.128.0/17 descr: Switch Communications Customer Route origin: AS21783 member-of: RS-AS23005 mnt-by: MAINT-SWITCH changed: netops [at] switch.com 20180102 source: RADB last-modified: 2023-11-13T15:52:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:be::/48 origin: AS21783 descr: Network Engineering Division/ Enterprise IT Services Capitol Complex Carson City NV 89710 United States admin-c: NIA5-ARIN tech-c: NEVAD-ARIN tech-c: NIA5-ARIN mnt-by: MNT-STATEO-21 created: 2022-11-09T21:36:52Z last-modified: 2022-11-09T21:36:52Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source