These entries are queried from radb.net using whois, you can try my project getting these.
:AS48104 route: 91.209.17.0/24 descr: Proxy-registered route object origin: AS48104 remarks: This route object is for a BtN customer route remarks: which is being exported under this origin AS. remarks: remarks: This route object was created because no existing remarks: route object with the same origin was found, and remarks: since some BtN peers filter based on these objects remarks: this route may be rejected if this object is not created. remarks: remarks: Please contact peering [at] cais.net if you have any remarks: questions regarding this object. mnt-by: MAINT-AS3491 changed: sajwani [at] pccwbtn.com 20090129 source: RADB last-modified: 2023-11-13T15:42:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 91.209.17.0/24 descr: CJSB Surgutneftegabank origin: AS48104 notify: ripe-notify [at] ti.ru mnt-by: SNGB-MNT mnt-by: TI-MNT created: 2009-03-03T06:52:18Z last-modified: 2016-02-19T15:40:37Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source