These entries are queried from radb.net using whois, you can try my project getting these.
:AS150148 route: 49.231.198.0/24 origin: AS150148 descr: AWN route object for Rangsit University remarks: Please contact awn-noc [at] ais.co.th if you have any questions regarding this object mnt-by: MAINT-AS45430 changed: khajornp [at] ais.co.th 20220731 #03:23:05Z source: RADB last-modified: 2023-11-13T16:11:50Z rpki-ov-state: valid route: 49.231.198.0/24 origin: AS150148 descr: ADVANCED WIRELESS NETWORK COMPANY LIMITED 414 Phaholyothin Rd Samsen Nai Phayathai mnt-by: MAINT-AWN-CO-LTD-TH last-modified: 2022-08-05T11:47:25Z source: APNIC rpki-ov-state: valid route: 49.231.213.0/24 origin: AS150148 descr: AWN route object for Rangsit University remarks: Please contact awn-noc [at] ais.co.th if you have any questions regarding this object mnt-by: MAINT-AS45430 changed: khajornp [at] ais.co.th 20220731 #03:23:40Z source: RADB last-modified: 2023-11-13T16:11:50Z rpki-ov-state: valid route: 49.231.213.0/24 origin: AS150148 descr: ADVANCED WIRELESS NETWORK COMPANY LIMITED 414 Phaholyothin Rd Samsen Nai Phayathai mnt-by: MAINT-AWN-CO-LTD-TH last-modified: 2022-08-05T11:49:28Z source: APNIC rpki-ov-state: valid