These entries are queried from radb.net using whois, you can try my project getting these.
:AS36857 route: 137.170.0.0/16 descr: route for downstream customer origin: AS36857 mnt-by: MAINT-AS26554 changed: noc [at] ussignalcom.com 20130203 #02:40:06Z source: RADB last-modified: 2023-11-13T15:44:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 137.170.64.0/18 origin: AS36857 member-of: RS-ATLANTICBB-ABNS descr: Proxy registered for customer by Atlantic Broadband notify: jmcmasters [at] atlanticbb.com mnt-by: MAINT-AS11776 changed: jsthilaire [at] atlanticbb.com 20190917 source: RADB last-modified: 2023-11-13T15:57:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 137.170.100.0/24 descr: For downstream customer Freudenberg-NOK Sealing Technologies origin: AS36857 mnt-by: MAINT-AS26554 changed: noc [at] ussignalcom.com 20130125 #22:04:27Z source: RADB last-modified: 2023-11-13T15:44:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 137.170.102.0/24 descr: For downstream customer Freudenberg-NOK Sealing Technologies origin: AS36857 mnt-by: MAINT-AS26554 changed: noc [at] ussignalcom.com 20130125 #22:05:55Z source: RADB last-modified: 2023-11-13T15:44:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 137.170.132.0/22 origin: AS36857 member-of: RS-ATLANTICBB-ABNS descr: Proxy registered for customer by Atlantic Broadband notify: jmcmasters [at] atlanticbb.com mnt-by: MAINT-AS11776 changed: jsthilaire [at] atlanticbb.com 20190917 source: RADB last-modified: 2023-11-13T15:57:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 137.170.136.0/22 origin: AS36857 member-of: RS-ATLANTICBB-ABNS descr: Proxy registered for customer by Atlantic Broadband notify: jmcmasters [at] atlanticbb.com mnt-by: MAINT-AS11776 changed: jsthilaire [at] atlanticbb.com 20190917 source: RADB last-modified: 2023-11-13T15:57:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source