These entries are queried from radb.net using whois, you can try my project getting these.
:AS11228 route: 144.243.192.0/19 origin: AS11228 descr: 2551 Riva Road Annapolis MD 21401 United States admin-c: AGN1-ARIN tech-c: AGN1-ARIN mnt-by: MNT-ARINCI-Z created: 2024-01-31T20:56:12Z last-modified: 2024-01-31T20:56:12Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 144.243.203.0/24 origin: AS11228 descr: Proxy route for customer ARINC mnt-by: MAINT-AS8220 changed: robert.woodward [at] colt.net 20240105 # 1554Z source: RADB last-modified: 2024-01-05T15:54:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 144.243.205.0/24 origin: AS11228 descr: ARINC mnt-by: MAINT-AS25956 changed: dustin.hyatt [at] logix.com 20190510 #16:33:34Z source: RADB last-modified: 2023-11-13T15:58:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 144.243.209.0/24 descr: ARINC origin: AS11228 mnt-by: MAINT-EQUINIXSGW changed: meballa [at] ap.equinix.com 20200625 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 144.243.211.0/24 descr: ARINC INCORPORATED origin: AS11228 notify: net-support [at] ap.equinix.com notify: ap-noc [at] ap.equinix.com mnt-by: MAINT-EQUINIXPAC changed: mrivas [at] ap.equinix.com 20170808 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 144.243.237.0/24 descr: ARINC INCORPORATED origin: AS11228 notify: net-support [at] ap.equinix.com notify: ap-noc [at] ap.equinix.com mnt-by: MAINT-EQUINIXPAC changed: mrivas [at] ap.equinix.com 20170808 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.41.212.0/24 origin: AS11228 descr: 2551 Riva Road Annapolis MD 21401 United States admin-c: AGN1-ARIN tech-c: AGN1-ARIN mnt-by: MNT-ARINCI-Z created: 2024-01-29T15:52:20Z last-modified: 2024-01-29T15:52:20Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2607:3500::/32 origin: AS11228 descr: 2551 Riva Road Annapolis MD 21401 United States admin-c: AGN1-ARIN tech-c: AGN1-ARIN mnt-by: MNT-ARINCI created: 2024-01-29T17:36:49Z last-modified: 2024-01-29T17:36:49Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source