These entries are queried from radb.net using whois, you can try my project getting these.
:AS397953 route: 198.8.72.0/24 descr: AlvinISD-Net-01 origin: AS397953 remarks: Proxy for Alvin ISD by PS Lightwave notify: netops [at] pslightwave.com mnt-by: MAINT-PSLIGHTWAVE changed: swulf [at] pslightwave.com 20200121 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.8.72.0/24 origin: AS397953 descr: ALVINISD-01 remarks: Proxy object for ALVIN ISD at SETG notify: noc [at] setg.net mnt-by: MAINT-AS4557 changed: smace [at] setg.net 20200110 #18:56:35Z source: RADB last-modified: 2023-11-13T15:59:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source