These entries are queried from radb.net using whois, you can try my project getting these.
:AS26710 route: 192.0.42.0/24 descr: resolver.dns.icann.org origin: AS26710 mnt-by: MAINT-AS26711 changed: ops [at] icann.org 20150203 #20:30:32Z source: RADB last-modified: 2023-11-13T15:47:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.4.31.0/24 descr: DNS ENG origin: AS26710 mnt-by: MAINT-AS26711 changed: david.soltero [at] icann.org 20180423 #19:15:53Z source: RADB last-modified: 2023-11-13T15:53:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.4.138.0/24 descr: NS.ICANN.ORG origin: AS26710 mnt-by: ICANN-DNS created: 2010-12-03T23:43:34Z last-modified: 2018-09-04T16:25:47Z source: RIPE-NONAUTH remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.4.138.0/24 descr: ns.icann.org origin: AS26710 mnt-by: MAINT-AS26711 changed: ops [at] icann.org 20141119 #15:26:18Z source: RADB last-modified: 2023-11-13T15:47:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.43.133.0/24 origin: AS26710 descr: b.icann-servers.net mnt-by: MAINT-AS26711 changed: david.soltero [at] icann.org 20210128 #21:50:19Z source: RADB last-modified: 2023-11-13T16:03:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.43.134.0/24 origin: AS26710 descr: c.icann-servers.net mnt-by: MAINT-AS26711 changed: david.soltero [at] icann.org 20210128 #21:50:46Z source: RADB last-modified: 2023-11-13T16:03:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.43.135.0/24 origin: AS26710 descr: a.icann-servers.net mnt-by: MAINT-AS26711 changed: david.soltero [at] icann.org 20210128 #21:51:07Z source: RADB last-modified: 2023-11-13T16:03:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.253.182.0/24 descr: b.ip6-servers.arpa origin: AS26710 mnt-by: MAINT-AS26711 changed: ops [at] icann.org 20141119 #15:30:17Z source: RADB last-modified: 2023-11-13T15:47:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.253.182.0/24 descr: B.IN-ADDR-SERVERS.ARPA origin: AS26710 mnt-by: ICANN-DNS created: 2010-12-04T05:28:12Z last-modified: 2018-09-04T16:25:47Z source: RIPE-NONAUTH remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.253.183.0/24 descr: b.in-addr-servers.arpa origin: AS26710 mnt-by: MAINT-AS26711 changed: ops [at] icann.org 20141119 #15:30:30Z source: RADB last-modified: 2023-11-13T15:47:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.253.183.0/24 descr: B.IN-ADDR-SERVERS.ARPA origin: AS26710 mnt-by: ICANN-DNS created: 2010-12-04T05:27:45Z last-modified: 2018-09-04T16:25:47Z source: RIPE-NONAUTH remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:500:86::/48 descr: b.ip6-servers.arpa origin: AS26710 mnt-by: MAINT-AS26711 changed: ops [at] icann.org 20141119 #15:15:17Z source: RADB last-modified: 2023-11-13T15:47:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:500:86::/48 descr: B.IN-ADDR-SERVERS.ARPA origin: AS26710 mnt-by: ICANN-DNS created: 2010-12-04T05:30:11Z last-modified: 2018-09-04T19:41:09Z source: RIPE-NONAUTH remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:500:87::/48 descr: B.IN-ADDR-SERVERS.ARPA origin: AS26710 mnt-by: ICANN-DNS created: 2010-12-04T05:29:59Z last-modified: 2018-09-04T19:41:09Z source: RIPE-NONAUTH remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:500:87::/48 descr: b.in-addr-servers.arpa origin: AS26710 mnt-by: MAINT-AS26711 changed: ops [at] icann.org 20141119 #15:16:09Z source: RADB last-modified: 2023-11-13T15:47:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:500:89::/48 descr: NS.ICANN.ORG origin: AS26710 mnt-by: ICANN-DNS created: 2011-08-22T06:45:15Z last-modified: 2018-09-04T19:41:25Z source: RIPE-NONAUTH remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:500:89::/48 descr: ns.icann.org origin: AS26710 mnt-by: MAINT-AS26711 changed: ops [at] icann.org 20141119 #15:17:02Z source: RADB last-modified: 2023-11-13T15:47:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:500:8d::/48 origin: AS26710 descr: b.icann-servers.net mnt-by: MAINT-AS26711 changed: david.soltero [at] icann.org 20210128 #21:51:33Z source: RADB last-modified: 2023-11-13T16:03:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:500:8e::/48 origin: AS26710 descr: c.icann-servers.net mnt-by: MAINT-AS26711 changed: david.soltero [at] icann.org 20210128 #21:51:53Z source: RADB last-modified: 2023-11-13T16:03:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:500:8f::/48 origin: AS26710 descr: a.icann-servers.net mnt-by: MAINT-AS26711 changed: david.soltero [at] icann.org 20210128 #21:52:11Z source: RADB last-modified: 2023-11-13T16:03:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2602:800:9007::/48 origin: AS26710 descr: resolver.dns.icann.org mnt-by: MAINT-AS26711 changed: david.soltero [at] icann.org 20210128 #21:27:09Z source: RADB last-modified: 2023-11-13T16:03:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source