These entries are queried from radb.net using whois, you can try my project getting these.
:AS13533 route: 64.157.136.0/22 descr: Hotjobs / Yahoo - NY1 origin: AS13533 mnt-by: MAINT-AS13533 changed: igor [at] hotjobs.com 20030110 source: RADB last-modified: 2023-11-13T15:39:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.131.58.0/24 descr: Yahoo! Inc. - YNOC origin: AS13533 mnt-by: MAINT-AS13533 changed: spencere [at] yahoo-inc.com 20080826 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: 209.131.59.0/24 descr: YNOC BF1 subnet origin: AS13533 remarks: Yahoo Buffalo operations center notify: netops [at] yahoo-inc.com mnt-by: MAINT-YAHOO changed: mpetach [at] yahoo-inc.com 20100728 source: RADB last-modified: 2023-11-13T15:40:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.109.112.0/20 descr: BGP route origin: AS13533 mnt-by: HOTJOBS-MNT changed: robert.steinauer [at] level3.com 20001008 source: LEVEL3 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: AS13533 remarks: Jeffrey Arnold - cell 917.440.3488 notify: net-tech [at] hotj.net mnt-by: MAINT-AS13533 changed: jba [at] genx.net 20010530 source: RADB last-modified: 2023-11-13T15:39:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:4998:efad::/48 descr: Yahoo Corp BF1 OC origin: AS13533 notify: network [at] yahoo-inc.com mnt-by: MAINT-YAHOO changed: nevin [at] yahoo-inc.com 20150428 source: RADB last-modified: 2023-11-13T15:47:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source