These entries are queried from radb.net using whois, you can try my project getting these.
:AS16260 route: 192.157.24.0/22 origin: AS16260 descr: GTT admin-c: AS3251-ARIN tech-c: AS3251-ARIN tech-c: NETWO3932-ARIN mnt-by: MNT-AIRB created: 2023-05-05T12:54:28Z last-modified: 2023-05-05T12:54:28Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.116.144.0/22 descr: GTT origin: AS16260 mnt-by: MAINT-AS3257 changed: netguard [at] gtt.net 20230123 source: RADB last-modified: 2023-11-13T16:13:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.116.144.0/22 origin: AS16260 descr: GTT admin-c: AS3251-ARIN tech-c: AS3251-ARIN mnt-by: MNT-IPNET-1 created: 2023-06-01T12:11:35Z last-modified: 2023-06-01T12:11:35Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.116.150.0/24 origin: AS16260 descr: GTT admin-c: AS3251-ARIN tech-c: AS3251-ARIN mnt-by: MNT-IPNET-1 created: 2023-06-01T12:12:39Z last-modified: 2023-06-01T12:12:39Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.77.64.0/24 origin: AS16260 descr: GTT admin-c: AS3251-ARIN tech-c: AS3251-ARIN mnt-by: MNT-IPNET-1 created: 2023-06-21T11:39:19Z last-modified: 2023-06-21T11:39:19Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.77.66.0/23 origin: AS16260 descr: GTT admin-c: AS3251-ARIN tech-c: AS3251-ARIN mnt-by: MNT-IPNET-1 created: 2023-06-21T11:39:50Z last-modified: 2023-06-21T11:39:50Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.77.68.0/22 origin: AS16260 descr: GTT admin-c: AS3251-ARIN tech-c: AS3251-ARIN mnt-by: MNT-IPNET-1 created: 2023-06-21T11:40:20Z last-modified: 2023-06-21T11:40:20Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source