These entries are queried from radb.net using whois, you can try my project getting these.
:AS17110 route: 8.3.34.0/23 descr: Yahoo Corp SoCal block origin: AS17110 remarks: SoCal Metro block; Level3 space, may be given back some day notify: netops [at] yahoo-inc.com mnt-by: MAINT-YAHOO changed: mpetach [at] yahoo-inc.com 20090203 source: RADB last-modified: 2023-11-13T15:39:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.228.176.0/21 descr: Yahoo! Inc. - Burbank origin: AS17110 notify: netops [at] yahoo-inc.com mnt-by: MAINT-YAHOO changed: mpetach [at] yahoo-inc.com 20090203 source: RADB last-modified: 2023-11-13T15:39:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 67.72.118.0/23 descr: Yahoo Corp SoCal block origin: AS17110 remarks: SoCal Metro block; Level3 space, may be given back some day notify: netops [at] yahoo-inc.com mnt-by: MAINT-YAHOO changed: mpetach [at] yahoo-inc.com 20081205 source: RADB last-modified: 2023-11-13T15:39:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.73.176.0/20 descr: Yahoo AltaVista DCN block 1 origin: AS17110 remarks: Yahoo Altavista DCN block 1 notify: netops [at] yahoo-inc.com mnt-by: MAINT-YAHOO changed: mpetach [at] yahoo-inc.com 20050301 source: RADB last-modified: 2023-11-13T15:39:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.131.61.0/24 descr: Yahoo! Inc. - Southern California origin: AS17110 notify: netops [at] yahoo-inc.com mnt-by: MAINT-YAHOO changed: mpetach [at] yahoo-inc.com 20090203 source: RADB last-modified: 2023-11-13T15:39:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.109.112.0/20 descr: HotJobs.com production 20 origin: AS17110 remarks: /20 moving to AS17110 notify: network [at] yahoo-inc.com mnt-by: MAINT-YAHOO changed: cstan [at] yahoo-inc.com 20021204 source: RADB last-modified: 2023-11-13T15:39:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source