These entries are queried from radb.net using whois, you can try my project getting these.
:AS394561 route: 162.208.20.0/22 descr: BrightRoll, Inc. origin: AS394561 notify: network [at] yahoo-inc.com mnt-by: MAINT-YAHOO changed: majdi [at] yahoo-inc.com 20151209 source: RADB route: 162.208.20.0/23 descr: BrightRoll, Inc. origin: AS394561 notify: network [at] yahoo-inc.com mnt-by: MAINT-YAHOO changed: majdi [at] yahoo-inc.com 20151209 source: RADB route: 162.208.22.0/23 descr: BrightRoll, Inc. origin: AS394561 notify: network [at] yahoo-inc.com mnt-by: MAINT-YAHOO changed: majdi [at] yahoo-inc.com 20151209 source: RADB route: 162.208.20.0/24 descr: BrightRoll, Inc. origin: AS394561 notify: network [at] yahoo-inc.com mnt-by: MAINT-YAHOO changed: majdi [at] yahoo-inc.com 20151209 source: RADB route: 162.208.21.0/24 descr: BrightRoll, Inc. origin: AS394561 notify: network [at] yahoo-inc.com mnt-by: MAINT-YAHOO changed: majdi [at] yahoo-inc.com 20151209 source: RADB route: 162.208.22.0/24 descr: BrightRoll, Inc. origin: AS394561 notify: network [at] yahoo-inc.com mnt-by: MAINT-YAHOO changed: majdi [at] yahoo-inc.com 20151209 source: RADB route: 162.208.23.0/24 descr: BrightRoll, Inc. origin: AS394561 notify: network [at] yahoo-inc.com mnt-by: MAINT-YAHOO changed: majdi [at] yahoo-inc.com 20151209 source: RADB route: 66.196.96.0/23 descr: Yahoo CHA origin: AS394561 notify: network [at] yahoo-inc.com mnt-by: MAINT-YAHOO changed: nevin [at] yahoo-inc.com 20160802 source: RADB route6: 2620:113:7000::/48 descr: Yahoo CHA origin: AS394561 notify: network [at] yahoo-inc.com mnt-by: MAINT-YAHOO changed: nevin [at] yahoo-inc.com 20150428 source: RADB