These entries are queried from radb.net using whois, you can try my project getting these.
:AS17947 route: 133.249.0.0/16 descr: S-UTOPIA origin: AS17947 mnt-by: MAINT-AS2516 changed: dkomata [at] pwd.ne.jp 20070612 source: RADB last-modified: 2023-11-13T15:39:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 133.249.0.0/16 descr: SAKURA KCS Corporation X-Keiro: origin: AS17947 notify: jpnic-irr [at] sakura-utopia.ne.jp mnt-by: MAINT-AS17947 changed: jpnic-irr [at] sakura-utopia.ne.jp 20231127 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 133.249.0.0/18 descr: SAKURA KCS Corporation X-Keiro: origin: AS17947 notify: jpnic-irr [at] sakura-utopia.ne.jp mnt-by: MAINT-AS17947 changed: jpnic-irr [at] sakura-utopia.ne.jp 20231127 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 133.249.0.0/24 descr: PACNET (proxy-registered route object) origin: AS17947 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 20140311 source: RADB last-modified: 2023-11-13T15:58:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 133.249.64.0/18 descr: SAKURA KCS Corporation X-Keiro: origin: AS17947 notify: jpnic-irr [at] sakura-utopia.ne.jp mnt-by: MAINT-AS17947 changed: jpnic-irr [at] sakura-utopia.ne.jp 20231127 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 133.249.128.0/18 descr: SAKURA KCS Corporation X-Keiro: origin: AS17947 notify: jpnic-irr [at] sakura-utopia.ne.jp mnt-by: MAINT-AS17947 changed: jpnic-irr [at] sakura-utopia.ne.jp 20231127 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 133.249.192.0/18 descr: SAKURA KCS Corporation X-Keiro: origin: AS17947 notify: jpnic-irr [at] sakura-utopia.ne.jp mnt-by: MAINT-AS17947 changed: jpnic-irr [at] sakura-utopia.ne.jp 20231127 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.179.224.0/20 descr: S-UTOPIA origin: AS17947 notify: emergency [at] sakura-utopia.ne.jp mnt-by: MAINT-AS2516 changed: dkomata [at] pwd.ne.jp 20070612 source: RADB last-modified: 2023-11-13T15:39:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.179.224.0/20 descr: SAKURA KCS Corporation X-Keiro: origin: AS17947 notify: jpnic-irr [at] sakura-utopia.ne.jp mnt-by: MAINT-AS17947 changed: jpnic-irr [at] sakura-utopia.ne.jp 20231127 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.179.224.0/22 descr: SAKURA KCS Corporation X-Keiro: origin: AS17947 notify: jpnic-irr [at] sakura-utopia.ne.jp mnt-by: MAINT-AS17947 changed: jpnic-irr [at] sakura-utopia.ne.jp 20231127 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.179.228.0/22 descr: SAKURA KCS Corporation X-Keiro: origin: AS17947 notify: jpnic-irr [at] sakura-utopia.ne.jp mnt-by: MAINT-AS17947 changed: jpnic-irr [at] sakura-utopia.ne.jp 20231127 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.179.232.0/22 descr: SAKURA KCS Corporation X-Keiro: origin: AS17947 notify: jpnic-irr [at] sakura-utopia.ne.jp mnt-by: MAINT-AS17947 changed: jpnic-irr [at] sakura-utopia.ne.jp 20231127 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.179.236.0/22 descr: SAKURA KCS Corporation X-Keiro: origin: AS17947 notify: jpnic-irr [at] sakura-utopia.ne.jp mnt-by: MAINT-AS17947 changed: jpnic-irr [at] sakura-utopia.ne.jp 20231127 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source