These entries are queried from radb.net using whois, you can try my project getting these.
:AS28122 route: 200.152.160.0/20 descr: Yahoo BR1 block origin: AS28122 notify: netops [at] yahoo-inc.com mnt-by: MAINT-YAHOO changed: mpetach [at] yahoo-inc.com 20120308 source: RADB last-modified: 2023-11-13T15:42:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.152.160.0/21 descr: Yahoo BR1 block origin: AS28122 remarks: BR1 specific block notify: netops [at] yahoo-inc.com mnt-by: MAINT-YAHOO changed: mpetach [at] yahoo-inc.com 20120227 source: RADB last-modified: 2023-11-13T15:42:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.152.160.0/23 descr: Yahoo BRZ block origin: AS28122 remarks: notify: network [at] yahoo-inc.com mnt-by: MAINT-YAHOO changed: cschiu [at] yahoo-inc.com 20160709 source: RADB last-modified: 2023-11-13T15:49:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.152.160.0/24 descr: Yahoo BR1 block origin: AS28122 notify: network [at] yahoo-inc.com mnt-by: MAINT-YAHOO changed: noahw [at] yahoo-inc.com 20120326 source: RADB last-modified: 2023-11-13T15:42:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.152.162.0/23 descr: Yahoo BRA block origin: AS28122 remarks: notify: network [at] yahoo-inc.com mnt-by: MAINT-YAHOO changed: cschiu [at] yahoo-inc.com 20160709 source: RADB last-modified: 2023-11-13T15:49:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.152.168.0/21 descr: Yahoo BR1 block origin: AS28122 notify: netops [at] yahoo-inc.com mnt-by: MAINT-YAHOO changed: mpetach [at] yahoo-inc.com 20120308 source: RADB last-modified: 2023-11-13T15:42:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:1bc:114::/46 descr: Yahoo BRA origin: AS28122 remarks: notify: network [at] yahoo-inc.com mnt-by: MAINT-YAHOO changed: cschiu [at] yahoo-inc.com 20160709 source: RADB last-modified: 2023-11-13T15:49:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:1bc:f026::/48 descr: Yahoo BRZ origin: AS28122 remarks: notify: network [at] yahoo-inc.com mnt-by: MAINT-YAHOO changed: cschiu [at] yahoo-inc.com 20160709 source: RADB last-modified: 2023-11-13T15:49:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source