These entries are queried from radb.net using whois, you can try my project getting these.
:AS26282 route: 63.245.192.0/20 origin: AS26282 descr: Symantec Corporation admin-c: MLAB2-RIPE tech-c: MRA48-RIPE notify: dl-cpe-networking [at] symantec.com mnt-by: MAINT-AS26282 changed: richard_pawley [at] symantec.com 20190916 #10:53:19Z source: RADB last-modified: 2023-11-13T15:57:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 63.245.192.0/23 origin: AS26282 descr: Symantec Corporation admin-c: MLAB2-RIPE tech-c: MRA48-RIPE notify: dl-cpe-networking [at] symantec.com mnt-by: MAINT-AS26282 changed: richard_pawley [at] symantec.com 20190916 #10:48:59Z source: RADB last-modified: 2023-11-13T15:57:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 63.245.204.0/24 origin: AS26282 descr: Symantec Backbone Infrastructure mnt-by: MAINT-AS26282 changed: richard_pawley [at] symantec.com 20190916 #09:38:35Z source: RADB last-modified: 2023-11-13T15:57:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 63.245.205.0/24 origin: AS26282 descr: Symantec Backbone Infrastructure mnt-by: MAINT-AS26282 changed: richard_pawley [at] symantec.com 20190916 #09:37:12Z source: RADB last-modified: 2023-11-13T15:57:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 63.245.206.0/23 origin: AS26282 descr: Symantec Backbone Infrastructure mnt-by: MAINT-AS26282 changed: richard_pawley [at] symantec.com 20190916 #09:38:17Z source: RADB last-modified: 2023-11-13T15:57:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 67.219.240.0/23 descr: Symantec Corporation origin: AS26282 admin-c: MLAB2-RIPE tech-c: MRA48-RIPE mnt-by: MAINT-AS26282 changed: lee_hetherington [at] symantec.com 20140918 #14:41:31Z source: RADB last-modified: 2023-11-13T15:46:41Z rpki-ov-state: valid route: 67.219.244.0/23 descr: Symantec Corporation origin: AS26282 mnt-by: MAINT-AS26282 changed: michael_still [at] symantec.com 20180419 #12:55:47Z source: RADB last-modified: 2023-11-13T15:53:26Z rpki-ov-state: valid route: 67.219.246.0/23 descr: .Cloud ESS Allocation origin: AS26282 admin-c: MESSA-ARIN tech-c: MAA29-ARIN notify: arin [at] messagelabs.com mnt-by: MAINT-AS26282 changed: michael_still [at] symantec.com 20180104 #14:51:25Z source: RADB last-modified: 2023-11-13T15:52:44Z rpki-ov-state: valid route: 67.219.248.0/23 descr: Arizona Data Center Route origin: AS26282 admin-c: MESSA-ARIN tech-c: MAA29-ARIN notify: arin [at] messagelabs.com mnt-by: MAINT-AS26282 changed: lhetherington [at] messagelabs.com 20090812 #08:59:08Z source: RADB last-modified: 2023-11-13T15:40:01Z rpki-ov-state: valid route: 67.219.250.0/23 descr: Symantec .Cloud origin: AS26282 admin-c: MESSA-ARIN tech-c: MAA29-ARIN notify: arin [at] messagelabs.com mnt-by: MAINT-AS26282 changed: hal_munsell [at] symantec.com 20180410 #16:40:17Z source: RADB last-modified: 2023-11-13T15:53:24Z rpki-ov-state: valid route: 67.219.250.0/24 descr: Symantec .Cloud origin: AS26282 admin-c: MESSA-ARIN tech-c: MAA29-ARIN notify: arin [at] messagelabs.com mnt-by: MAINT-AS26282 changed: michael_still [at] symantec.com 20180118 #17:35:57Z source: RADB last-modified: 2023-11-13T15:53:03Z rpki-ov-state: valid route: 67.219.252.0/23 descr: MessageLabs Limited Washington Data Center Route origin: AS26282 admin-c: MESSA-ARIN tech-c: MAA29-ARIN notify: arin [at] messagelabs.com mnt-by: MAINT-AS26282 changed: lhetherington [at] messagelabs.com 20090417 #14:07:50Z source: RADB last-modified: 2023-11-13T15:39:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 67.219.254.0/24 descr: Messagelabs origin: AS26282 mnt-by: MAINT-AS33554 changed: skhosla [at] neutraldata.com 20100608 #14:43:40Z source: RADB last-modified: 2023-11-13T15:58:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 67.219.255.0/24 descr: Messagelabs origin: AS26282 mnt-by: MAINT-AS33554 changed: skhosla [at] neutraldata.com 20100608 #14:42:54Z source: RADB last-modified: 2023-11-13T15:58:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.6.48.0/24 descr: Symantec Corporation origin: AS26282 mnt-by: MAINT-AS26282 changed: michael_still [at] symantec.com 20180531 #20:17:12Z source: RADB last-modified: 2023-11-13T15:53:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.82.240.0/22 descr: MessageLabs Limited Washington Data Centre Route origin: AS26282 admin-c: MESSA-ARIN tech-c: MAA29-ARIN notify: arin [at] messagelabs.com mnt-by: MAINT-AS26282 changed: lhetherington [at] messagelabs.com 20090330 #09:37:14Z source: RADB last-modified: 2023-11-13T15:39:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.82.244.0/23 descr: MessageLabs Limited Washington Data Centre Second Route origin: AS26282 admin-c: MESSA-ARIN tech-c: MAA29-ARIN notify: arin [at] messagelabs.com mnt-by: MAINT-AS26282 changed: lhetherington [at] messagelabs.com 20090330 #09:40:30Z source: RADB last-modified: 2023-11-13T15:39:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.82.246.0/24 descr: MessageLabs ASH Route origin: AS26282 admin-c: MESSA-ARIN tech-c: MAA29-ARIN notify: arin [at] messagelabs.com mnt-by: MAINT-AS26282 changed: michael_still [at] symantec.com 20160519 #20:48:48Z source: RADB last-modified: 2023-11-13T15:49:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.82.247.0/24 descr: MessageLabs Limited Washington Data Centre POD Route origin: AS26282 admin-c: MESSA-ARIN tech-c: MAA29-ARIN notify: arin [at] messagelabs.com mnt-by: MAINT-AS26282 changed: lhetherington [at] messagelabs.com 20090330 #09:42:39Z source: RADB last-modified: 2023-11-13T15:39:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.82.248.0/22 descr: MessageLabs Limited Arizona Data Centre Route origin: AS26282 admin-c: MESSA-ARIN tech-c: MAA29-ARIN notify: arin [at] messagelabs.com mnt-by: MAINT-AS26282 changed: lhetherington [at] messagelabs.com 20090330 #09:39:32Z source: RADB last-modified: 2023-11-13T15:39:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.82.252.0/22 descr: MessageLabs Limited Denver Data Centre Route origin: AS26282 admin-c: MESSA-ARIN tech-c: MAA29-ARIN notify: arin [at] messagelabs.com mnt-by: MAINT-AS26282 changed: lhetherington [at] messagelabs.com 20090330 #09:38:27Z source: RADB last-modified: 2023-11-13T15:39:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.82.252.0/24 descr: MessageLabs Limited Denver Data Centre Route origin: AS26282 admin-c: MESSA-ARIN tech-c: MAA29-ARIN notify: arin [at] messagelabs.com mnt-by: MAINT-AS26282 changed: michael_still [at] symantec.com 20170113 #16:47:25Z source: RADB last-modified: 2023-11-13T15:50:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.82.254.0/24 descr: TUS1 Route origin: AS26282 mnt-by: MAINT-AS26282 changed: michael_still [at] symantec.com 20190108 #15:54:40Z source: RADB last-modified: 2023-11-13T15:55:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2604:b040::/32 descr: Symantec ARIN Region origin: AS26282 mnt-by: MAINT-AS26282 changed: michael_still [at] symantec.com 20180314 #18:42:58Z source: RADB last-modified: 2023-11-13T15:53:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:102:5000::/43 descr: Symantec.cloud IPv6 origin: AS26282 admin-c: MESSA-ARIN tech-c: MAA29-ARIN notify: arin [at] as26282.net mnt-by: MAINT-AS26282 changed: lhetherington [at] messagelabs.com 20110304 #10:50:18Z source: RADB last-modified: 2023-11-13T15:41:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source