These entries are queried from radb.net using whois, you can try my project getting these.
:AS54276 route: 38.123.90.0/23 descr: Route for downstream customer Kinetic IT Solutions origin: AS54276 mnt-by: MAINT-AS26554 changed: noc [at] ussignalcom.com 20150526 #03:49:57Z source: RADB last-modified: 2023-11-13T15:47:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 162.245.156.0/22 descr: Route for Downstream Customer origin: AS54276 mnt-by: MAINT-AS26554 changed: noc [at] ussignalcom.com 20140328 #19:58:27Z source: RADB last-modified: 2023-11-13T15:46:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.58.70.0/23 descr: Downstream Customer origin: AS54276 mnt-by: MAINT-AS26554 changed: noc [at] ussignalcom.com 20140128 #13:53:36Z source: RADB last-modified: 2023-11-13T15:45:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.58.72.0/22 descr: For Downstream peer Kinetic IT origin: AS54276 mnt-by: MAINT-AS26554 changed: noc [at] ussignalcom.com 20140220 #16:17:22Z source: RADB last-modified: 2023-11-13T15:46:14Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.58.72.0/23 descr: Downstream Customer origin: AS54276 mnt-by: MAINT-AS26554 changed: noc [at] ussignalcom.com 20140128 #13:54:11Z source: RADB last-modified: 2023-11-13T15:45:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.58.74.0/23 descr: For downstream peer Kinetic IT origin: AS54276 mnt-by: MAINT-AS26554 changed: noc [at] ussignalcom.com 20140220 #16:13:04Z source: RADB last-modified: 2023-11-13T15:46:14Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2604:c780::/32 descr: Route for Downstream Customer Kinetic IT Solutions origin: AS54276 mnt-by: MAINT-AS26554 changed: noc [at] ussignal.com 20150827 #14:33:25Z source: RADB last-modified: 2023-11-13T15:48:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source