These entries are queried from radb.net using whois, you can try my project getting these.
:AS53918 route: 199.38.172.0/22 descr: Client Proxy Route Object - Host Hotels and Resorts origin: AS53918 components: protocol BGP4 {199.38.172.0/22^22-24} member-of: RS-AS22925 admin-c: WA4 tech-c: WA4 geoidx: USA remarks: This Route Object is for an Allied Telecom Group(ATG/ALTG) remarks: Client Route. This route is being exported via either the remarks: ATG ASN (AS23300), or the Client Supplied ASN. remarks: remarks: This Proxy Route Object was generated, because no existing remarks: Object with the same (or correct) Origin AS was found. ATG remarks: Peers validate (and filter) accepted routes based on Valid remarks: IRR Route Objects. As a result, this route would otherwise remarks: be rejected absent the existence of this Route Object. remarks: remarks: Please direct any questions (or concerns) relating to this remarks: object to peering [at] alliedtelecom.net OR the current contact remarks: eMail located in the RADb (ATGENG) Role Object. remarks: notify: engineering [at] alliedtelecom.net notify: walta [at] alliedtelecom.net mnt-by: MAINT-AS22925 source: RADB changed: walta [at] alliedtelecom.net 20140410 #21:16:57Z last-modified: 2023-11-13T15:46:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.38.172.0/24 origin: AS53918 descr: Proxy object registered by Atlantech Online mnt-by: MAINT-AS7784 changed: noc [at] atlantech.net 20200615 #11:51:12Z source: RADB last-modified: 2023-11-13T16:00:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.38.174.0/24 origin: AS53918 descr: Proxy object registered for Host Hotels & Resorts mnt-by: MAINT-AS7784 changed: noc [at] atlantech.net 20191002 #10:14:17Z source: RADB last-modified: 2023-11-13T15:57:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source