These entries are queried from radb.net using whois, you can try my project getting these.
:AS53499 route: 198.246.163.0/24 descr: Proxy-registered route object for McLeod Health origin: AS53499 remarks: This route object is for a Spirit Telecom customer route which is being exported under this origin AS. mnt-by: MAINT-AS2711 changed: kevin.billings [at] spiritcom.com 20121001 #19:21:28Z source: RADB last-modified: 2023-11-13T15:43:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.246.164.0/22 descr: Proxy-registered route object for McLeod Health origin: AS53499 remarks: This route object is for a Spirit Telecom customer route which is being exported under this origin AS. mnt-by: MAINT-AS2711 changed: kevin.billings [at] spiritcom.com 20121001 #19:22:32Z source: RADB last-modified: 2023-11-13T15:43:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.246.164.0/24 descr: RR-RC-MCLEOD HEALTH-Carolinas origin: AS53499 admin-c: IPADDREG tech-c: IPADDREG notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20200520 #05:09:38Z source: RADB last-modified: 2023-11-13T16:15:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.246.167.0/24 descr: RR-RC-MCLEOD HEALTH-Carolinas origin: AS53499 admin-c: IPADDREG tech-c: IPADDREG notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20200520 #05:09:38Z source: RADB last-modified: 2023-11-13T16:15:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.246.168.0/24 descr: Proxy-registered route object for McLeod Health origin: AS53499 remarks: This route object is for a Spirit Telecom customer route which is being exported under this origin AS. mnt-by: MAINT-AS2711 changed: kevin.billings [at] spiritcom.com 20121001 #19:23:16Z source: RADB last-modified: 2023-11-13T15:43:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source