These entries are queried from radb.net using whois, you can try my project getting these.
:AS135421 route: 44.31.30.0/24 descr: Vultr Customer Route origin: AS135421 notify: network [at] choopa.com mnt-by: MAINT-AS20473 changed: network [at] choopa.com 20221202 #00:36:25-18000 source: RADB last-modified: 2023-11-13T16:13:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 44.31.30.0/24 descr: AMPR origin: AS135421 mnt-by: MAINT-AS135421 changed: noc [at] as135421.net 20210712 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.219.7.0/24 origin: AS135421 descr: MATTHEW SALKELD CONSULTING AS135421 mnt-by: MAINT-MSALKELD-AU last-modified: 2018-05-29T06:14:27Z source: APNIC rpki-ov-state: valid route: 103.219.7.0/24 descr: Vultr Customer Route origin: AS135421 notify: network [at] choopa.com mnt-by: MAINT-AS20473 changed: network [at] choopa.com 20221202 #00:36:25-18000 source: RADB last-modified: 2023-11-13T16:13:11Z rpki-ov-state: valid route6: 2001:df2:2e00::/48 origin: AS135421 descr: MATTHEW SALKELD CONSULTING AS135421 mnt-by: MAINT-MSALKELD-AU last-modified: 2018-05-29T06:15:12Z source: APNIC rpki-ov-state: valid route6: 2001:df2:2e00::/48 descr: Vultr Customer Route origin: AS135421 notify: network [at] choopa.com mnt-by: MAINT-AS20473 changed: network [at] choopa.com 20221210 #00:38:06-18000 source: RADB last-modified: 2023-11-13T16:13:12Z rpki-ov-state: valid route6: 2406:c500:ffd8::/48 descr: Vultr Customer Route origin: AS135421 notify: network [at] choopa.com mnt-by: MAINT-AS20473 changed: network [at] choopa.com 20170308 #09:55:39Z source: RADB last-modified: 2023-11-13T15:50:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source