These entries are queried from radb.net using whois, you can try my project getting these.
:AS62830 route: 192.91.144.0/24 descr: Riot Shared Services origin: AS62830 mnt-by: MAINT-AS6507 changed: neteng-arin [at] riotgames.com 20160516 #16:23:47Z source: RADB last-modified: 2023-11-13T15:49:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.62.201.0/24 descr: Switch Communications Customer Route origin: AS62830 remarks: Route for Riot Games, Inc. remarks: 198.62.201.0/24 mnt-by: SWITCHCOM-MNT changed: netops-eng [at] switchlv.com 20131021 source: LEVEL3 rpki-ov-state: valid route: 198.62.201.0/24 descr: Switch Communications Customer Route origin: AS62830 member-of: RS-AS22911 remarks: Route for Riot Games, Inc. mnt-by: MAINT-SWITCH changed: netops [at] switch.com 20180724 #01:56:52Z source: RADB last-modified: 2023-11-13T15:54:09Z rpki-ov-state: valid