These entries are queried from radb.net using whois, you can try my project getting these.
:AS54191 route: 199.47.48.0/22 descr: Ice Wireless Network origin: AS54191 mnt-by: MAINT-AS33164 changed: noc [at] iristel.com 20111212 #17:30:24Z source: RADB last-modified: 2023-11-13T16:11:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.47.48.0/23 descr: AS-ICEWIRELESS - Ice Wireless Inc. origin: AS54191 mnt-by: MAINT-AS33164 changed: noc [at] iristel.com 20130404 #12:02:59Z source: RADB last-modified: 2023-11-13T16:11:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.47.48.0/24 descr: Ice Wireless Toronto Network origin: AS54191 mnt-by: MAINT-AS33164 changed: noc [at] iristel.com 20120326 #08:38:18Z source: RADB last-modified: 2023-11-13T16:11:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.47.50.0/23 descr: AS-ICEWIRELESS - Ice Wireless Inc. origin: AS54191 mnt-by: MAINT-AS33164 changed: noc [at] iristel.com 20130404 #14:03:52Z source: RADB last-modified: 2023-11-13T16:11:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.47.50.0/24 origin: AS54191 mnt-by: MAINT-AS33164 changed: noc [at] iristel.com 20240424 # 1808Z source: RADB last-modified: 2024-04-24T18:08:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.47.51.0/24 origin: AS54191 mnt-by: MAINT-AS33164 changed: noc [at] iristel.com 20240424 # 1808Z source: RADB last-modified: 2024-04-24T18:08:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source