These entries are queried from radb.net using whois, you can try my project getting these.
:AS13620 route: 204.76.166.0/23 descr: Emblem Health origin: AS13620 mnt-by: MAINT-AS27506 changed: rmaddula [at] lightower.com 20140815 source: RADB last-modified: 2023-11-13T15:46:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.76.166.0/24 origin: AS13620 descr: proxy route object for customer SungardAS admin-c: UNITAS-SOC tech-c: UNITAS-SOC notify: netops [at] unitasglobal.com mnt-by: MAINT-AS1828 changed: netops [at] unitasglobal.com 20201120 #17:39:44Z source: RADB last-modified: 2023-11-13T16:03:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.76.167.0/24 origin: AS13620 descr: Cognizant Healthcare - Emblem Health mnt-by: MAINT-AS29863 changed: cneteng [at] zayo.com 20210503 #17:52:05Z source: RADB last-modified: 2023-11-13T16:05:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.76.168.0/22 descr: Emblem Health origin: AS13620 mnt-by: MAINT-AS27506 changed: rmaddula [at] lightower.com 20140815 source: RADB last-modified: 2023-11-13T15:46:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.76.169.0/24 origin: AS13620 descr: Cognizant Technology Solutions, US Corp. mnt-by: MAINT-AS29863 changed: cneteng [at] zayo.com 20200815 #05:03:42Z source: RADB last-modified: 2023-11-13T16:01:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.76.172.0/23 descr: Emblem Health origin: AS13620 mnt-by: MAINT-AS27506 changed: rmaddula [at] lightower.com 20140815 source: RADB last-modified: 2023-11-13T15:46:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.76.172.0/24 origin: AS13620 descr: Cognizant Technology Solutions, US Corp. mnt-by: MAINT-AS29863 changed: cneteng [at] zayo.com 20191206 #03:06:34Z source: RADB last-modified: 2023-11-13T15:59:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:110:9000::/44 descr: Emblem Health origin: AS13620 mnt-by: MAINT-AS27506 changed: rmaddula [at] lightower.com 20140815 source: RADB last-modified: 2023-11-13T15:46:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:110:9000::/44 origin: AS13620 descr: EmblemHealth Services Company, LLC descr: 55 Water Street descr: New York, NY 10041 descr: USA notify: NetworkingDepartment [at] emblemhealth.com mnt-by: MNT-ESL-74 changed: cpilkington [at] emblemhealth.com 20130125 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:110:9004::/48 origin: AS13620 descr: EmblemHealth Services Company, LLC descr: 55 Water Street descr: New York, NY 10041 descr: USA notify: NetworkingDepartment [at] emblemhealth.com mnt-by: MNT-ESL-74 changed: cpilkington [at] emblemhealth.com 20130308 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source