These entries are queried from radb.net using whois, you can try my project getting these.
:AS32537 route: 63.133.138.0/24 descr: Baxter_63.133.138.0-Route origin: AS32537 mnt-by: BIRCHTEL-MNT changed: dvolmut [at] birch.com 20040623 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 149.199.0.0/16 descr: Comcast Customer - Xilinx origin: AS32537 mnt-by: MAINT-AS7922 changed: brian_mcmurray [at] cable.comcast.com 20110318 #17:29:56Z source: RADB last-modified: 2023-11-13T15:54:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 149.199.50.0/23 descr: Xilinx Incorporated origin: AS32537 mnt-by: MAINT-AS32537 changed: macg [at] xilinx.com 20181004 #07:49:59Z source: RADB last-modified: 2023-11-13T15:54:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 149.199.50.0/24 descr: Xilinx Incorporated origin: AS32537 mnt-by: MAINT-AS32537 changed: macg [at] xilinx.com 20181004 #07:49:59Z source: RADB last-modified: 2023-11-13T15:54:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 149.199.51.0/24 descr: Xilinx Incorporated origin: AS32537 mnt-by: MAINT-AS32537 changed: macg [at] xilinx.com 20181004 #07:49:59Z source: RADB last-modified: 2023-11-13T15:54:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 149.199.62.0/23 origin: AS32537 descr: AMD XSJ Origin AS mnt-by: MAINT-AS32537 changed: patrick.geddes [at] amd.com 20220615 #23:07:54Z source: RADB last-modified: 2023-11-13T16:11:28Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 149.199.62.0/24 descr: Xilinx Incorporated origin: AS32537 mnt-by: MAINT-AS32537 changed: macg [at] xilinx.com 20181004 #07:49:59Z source: RADB last-modified: 2023-11-13T15:54:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 149.199.64.0/23 origin: AS32537 descr: AMD XSJ Origin AS mnt-by: MAINT-AS32537 changed: patrick.geddes [at] amd.com 20220615 #23:08:22Z source: RADB last-modified: 2023-11-13T16:11:28Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 149.199.65.0/24 descr: Xilinx Incorporated origin: AS32537 mnt-by: MAINT-AS32537 changed: macg [at] xilinx.com 20181004 #07:49:59Z source: RADB last-modified: 2023-11-13T15:54:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 149.199.80.0/23 descr: Xilinx Incorporated origin: AS32537 mnt-by: MAINT-AS32537 changed: macg [at] xilinx.com 20181004 #07:49:59Z source: RADB last-modified: 2023-11-13T15:54:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 149.199.80.0/24 descr: Xilinx Incorporated origin: AS32537 mnt-by: MAINT-AS32537 changed: macg [at] xilinx.com 20181004 #07:49:59Z source: RADB last-modified: 2023-11-13T15:54:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 149.199.81.0/24 descr: Xilinx Incorporated origin: AS32537 mnt-by: MAINT-AS32537 changed: macg [at] xilinx.com 20181004 #07:49:59Z source: RADB last-modified: 2023-11-13T15:54:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 149.199.90.0/23 origin: AS32537 descr: AMD XCO Origin AS mnt-by: MAINT-AS32537 changed: patrick.geddes [at] amd.com 20220615 #22:58:50Z source: RADB last-modified: 2023-11-13T16:11:28Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 149.199.90.0/24 descr: Xilinx Incorporated origin: AS32537 mnt-by: MAINT-AS32537 changed: macg [at] xilinx.com 20181004 #07:49:59Z source: RADB last-modified: 2023-11-13T15:54:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 149.199.91.0/24 descr: Xilinx Incorporated origin: AS32537 mnt-by: MAINT-AS32537 changed: macg [at] xilinx.com 20181004 #07:49:59Z source: RADB last-modified: 2023-11-13T15:54:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 149.199.100.0/23 descr: Xilinx Incorporated origin: AS32537 mnt-by: MAINT-AS32537 changed: macg [at] xilinx.com 20181004 #07:49:59Z source: RADB last-modified: 2023-11-13T15:54:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 149.199.100.0/24 descr: Xilinx Incorporated origin: AS32537 mnt-by: MAINT-AS32537 changed: macg [at] xilinx.com 20181004 #07:49:59Z source: RADB last-modified: 2023-11-13T15:54:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 149.199.101.0/24 descr: Xilinx Incorporated origin: AS32537 mnt-by: MAINT-AS32537 changed: macg [at] xilinx.com 20181004 #07:49:59Z source: RADB last-modified: 2023-11-13T15:54:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source