These entries are queried from radb.net using whois, you can try my project getting these.
:AS397190 route: 144.121.53.0/24 descr: Proxy-registered route object origin: AS397190 remarks: auto-generated route object remarks: %%TSN-APF-R-LINEBREAK remarks: remarks: This route is for a(n) TOWARDEX customer route remarks: which is being exported under this origin AS. remarks: remarks: This route object was proxy-registered by remarks: MAINT-TOWARDEX because either the customer has remarks: not registered the IRR objects on his own, or remarks: a concern exists where some peers may be using remarks: wrong database that may result in nuisance remarks: filtering. remarks: remarks: Contact irr [at] towardex.com if you have any remarks: questions relating to this object. mnt-by: MAINT-TOWARDEX changed: irrpt [at] honeybadger.twdx.net 20181210 #TSN20181210:1727Z-18 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 144.121.53.0/24 descr: Proxy-registered route object origin: AS397190 remarks: auto-generated route object remarks: %%TSN-APF-R-LINEBREAK remarks: remarks: This route is for a(n) TOWARDEX customer route remarks: which is being exported under this origin AS. remarks: remarks: This route object was proxy-registered by remarks: MAINT-TOWARDEX because either the customer has remarks: not registered the IRR objects on his own, or remarks: a concern exists where some peers may be using remarks: wrong database that may result in nuisance remarks: filtering. remarks: remarks: Contact irr [at] towardex.com if you have any remarks: questions relating to this object. mnt-by: MAINT-TOWARDEX changed: irrpt [at] honeybadger.twdx.net 20181210 #TSN20181210:1727Z-18 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 144.121.53.0/24 descr: Proxy-registered route object origin: AS397190 remarks: auto-generated route object remarks: %%TSN-APF-R-LINEBREAK remarks: remarks: This route is for a(n) TOWARDEX customer route remarks: which is being exported under this origin AS. remarks: remarks: This route object was proxy-registered by remarks: MAINT-TOWARDEX because either the customer has remarks: not registered the IRR objects on his own, or remarks: a concern exists where some peers may be using remarks: wrong database that may result in nuisance remarks: filtering. remarks: remarks: Contact irr [at] towardex.com if you have any remarks: questions relating to this object. mnt-by: MAINT-AS27552 changed: irrpt [at] honeybadger.twdx.net 20181210 #TSN20181210:1727Z-18 source: RADB last-modified: 2023-11-13T15:55:21Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source