These entries are queried from radb.net using whois, you can try my project getting these.
:AS55898 route: 103.2.244.0/22 descr: PACNET (proxy-registered route object) origin: AS55898 remarks: This route object is for a PACNET customer route which is being exported under this origin AS. + This route object was created because no existing route object with the same origin was found, and since some ANC peers filter based on these objects this route may be rejected if this object is not created. + Please contact abuse [at] pacnet.net for any related SPAM/abuse case + Please contact ip-noc [at] pacnet.net if you have any other Questions regarding this object. notify: ip-noc [at] pacnet.net mnt-by: MAINT-AS4637 changed: ip-noc [at] pacnet.net 20140310 source: RADB last-modified: 2023-11-13T15:58:56Z rpki-ov-state: valid route: 103.2.244.0/22 descr: Yahoo Japan Corp X-keiro: route-admin [at] mail.yahoo.co.jp origin: AS55898 notify: route-admin [at] mail.yahoo.co.jp mnt-by: MAINT-AS55898 changed: route-admin [at] mail.yahoo.co.jp 20240305 source: JPIRR rpki-ov-state: valid route: 203.141.54.0/24 descr: Yahoo Japan Corp X-keiro: route-admin [at] mail.yahoo.co.jp origin: AS55898 notify: route-admin [at] mail.yahoo.co.jp mnt-by: MAINT-AS55898 changed: route-admin [at] mail.yahoo.co.jp 20240305 source: JPIRR rpki-ov-state: valid route: 211.14.8.0/24 descr: Yahoo Japan Corp X-keiro: route-admin [at] mail.yahoo.co.jp origin: AS55898 notify: route-admin [at] mail.yahoo.co.jp mnt-by: MAINT-AS55898 changed: route-admin [at] mail.yahoo.co.jp 20240305 source: JPIRR rpki-ov-state: valid route: 211.14.26.0/23 descr: Yahoo Japan Corp X-keiro: route-admin [at] mail.yahoo.co.jp origin: AS55898 notify: route-admin [at] mail.yahoo.co.jp mnt-by: MAINT-AS55898 changed: route-admin [at] mail.yahoo.co.jp 20240305 source: JPIRR rpki-ov-state: valid route: 211.14.26.0/23 descr: PACNET (proxy-registered route object) origin: AS55898 remarks: This route object is for a PACNET customer route which is being exported under this origin AS. + This route object was created because no existing route object with the same origin was found, and since some ANC peers filter based on these objects this route may be rejected if this object is not created. + Please contact abuse [at] pacnet.net for any related SPAM/abuse case + Please contact ip-noc [at] pacnet.net if you have any other Questions regarding this object. notify: ip-noc [at] pacnet.net mnt-by: MAINT-AS4637 changed: ip-noc [at] pacnet.net 20140310 source: RADB last-modified: 2023-11-13T15:58:57Z rpki-ov-state: valid route: 211.14.28.0/23 descr: Yahoo Japan Corp X-keiro: route-admin [at] mail.yahoo.co.jp origin: AS55898 notify: route-admin [at] mail.yahoo.co.jp mnt-by: MAINT-AS55898 changed: route-admin [at] mail.yahoo.co.jp 20240305 source: JPIRR rpki-ov-state: valid route: 211.14.28.0/23 descr: PACNET (proxy-registered route object) origin: AS55898 remarks: This route object is for a PACNET customer route which is being exported under this origin AS. + This route object was created because no existing route object with the same origin was found, and since some ANC peers filter based on these objects this route may be rejected if this object is not created. + Please contact abuse [at] pacnet.net for any related SPAM/abuse case + Please contact ip-noc [at] pacnet.net if you have any other Questions regarding this object. notify: ip-noc [at] pacnet.net mnt-by: MAINT-AS4637 changed: ip-noc [at] pacnet.net 20140310 source: RADB last-modified: 2023-11-13T15:58:57Z rpki-ov-state: valid route6: 2405:8500::/32 descr: Yahoo Japan Corp origin: AS55898 notify: route-admin [at] mail.yahoo.co.jp mnt-by: MAINT-AS55898 changed: route-admin [at] mail.yahoo.co.jp 20240201 source: JPIRR rpki-ov-state: valid