These entries are queried from radb.net using whois, you can try my project getting these.
:AS27557 route: 66.225.64.0/18 descr: Proxy entry for Mid Atlantic Broadband origin: AS27557 mnt-by: MAINT-AS54483 changed: noc [at] cainternet.net 20180605 #22:08:48Z source: RADB last-modified: 2023-11-13T16:08:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.225.106.0/24 origin: AS27557 descr: Proxy entry for Mid Atlantic Broadband mnt-by: MAINT-AS54483 changed: noc [at] cainternet.net 20201221 #20:47:39Z source: RADB last-modified: 2023-11-13T16:08:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.225.107.0/24 origin: AS27557 descr: Proxy entry for Mid Atlantic Broadband mnt-by: MAINT-AS54483 changed: noc [at] cainternet.net 20201221 #20:48:17Z source: RADB last-modified: 2023-11-13T16:08:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.225.117.0/24 origin: AS27557 descr: Proxy entry for Mid Atlantic Broadband mnt-by: MAINT-AS54483 changed: kevin [at] geolinks.com 20221216 #16:53:09Z source: RADB last-modified: 2023-11-13T16:13:13Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.225.118.0/24 origin: AS27557 descr: Proxy entry for Mid Atlantic Broadband mnt-by: MAINT-AS54483 changed: noc [at] cainternet.net 20201221 #20:48:41Z source: RADB last-modified: 2023-11-13T16:08:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.225.123.0/24 origin: AS27557 descr: Proxy entry for Mid Atlantic Broadband mnt-by: MAINT-AS54483 changed: noc [at] cainternet.net 20201221 #20:49:05Z source: RADB last-modified: 2023-11-13T16:08:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.225.124.0/23 origin: AS27557 descr: Proxy entry for Mid Atlantic Broadband mnt-by: MAINT-AS54483 changed: noc [at] cainternet.net 20201221 #20:49:29Z source: RADB last-modified: 2023-11-13T16:08:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.225.126.0/23 origin: AS27557 descr: Proxy entry for Mid Atlantic Broadband mnt-by: MAINT-AS54483 changed: noc [at] cainternet.net 20201221 #20:49:53Z source: RADB last-modified: 2023-11-13T16:08:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 69.39.216.0/24 descr: Proxy entry for Mid Atlantic Broadband origin: AS27557 mnt-by: MAINT-AS54483 changed: noc [at] cainternet.net 20180605 #22:08:31Z source: RADB last-modified: 2023-11-13T16:08:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.116.236.0/24 origin: AS27557 descr: Proxy entry for Mid Atlantic Broadband (Catalina Broadband Solutions) mnt-by: MAINT-AS54483 changed: noc [at] geolinks.com 20221013 #17:41:17Z source: RADB last-modified: 2023-11-13T16:12:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source