These entries are queried from radb.net using whois, you can try my project getting these.
:AS23047 route: 156.107.248.0/22 descr: PNAP-NYC Mckinsey Route origin: AS23047 mnt-by: MAINT-AS1828 changed: rrudd [at] internap.com 20050324 source: RADB last-modified: 2023-11-13T16:13:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 156.107.248.0/24 descr: PNAP-NYC INTERNAP_MCKINSEY_ROUTE origin: AS23047 mnt-by: MAINT-AS1828 changed: rcraver [at] internap.com 20060330 source: RADB last-modified: 2023-11-13T16:13:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 156.107.250.0/24 descr: PNAP-NYC Mckinsey route origin: AS23047 mnt-by: MAINT-AS1828 changed: rrudd [at] internap.com 20050822 source: RADB last-modified: 2023-11-13T16:13:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 156.107.251.0/24 descr: PNAP-NYC McKinsey route origin: AS23047 mnt-by: MAINT-AS1828 changed: bkallinen [at] internap.com 20050819 source: RADB last-modified: 2023-11-13T16:13:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 156.107.252.0/24 descr: PNAP-NYC McKinsey route origin: AS23047 mnt-by: MAINT-AS1828 changed: bkallinen [at] internap.com 20050819 source: RADB last-modified: 2023-11-13T16:13:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 156.107.253.0/24 descr: PNAP-NYC Mckinsey Route origin: AS23047 mnt-by: MAINT-AS1828 changed: rrudd [at] internap.com 20050324 source: RADB last-modified: 2023-11-13T16:13:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 156.107.254.0/24 descr: PNAP-NYC Mckinsey Route origin: AS23047 mnt-by: MAINT-AS1828 changed: rrudd [at] internap.com 20050324 source: RADB last-modified: 2023-11-13T16:13:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 156.107.255.0/24 descr: PNAP-NYC Mckinsey Route origin: AS23047 mnt-by: MAINT-AS1828 changed: rrudd [at] internap.com 20050324 source: RADB last-modified: 2023-11-13T16:13:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 157.191.0.0/16 descr: McKinsey & Company origin: AS23047 mnt-by: MAINT-AS31547 changed: evgeny_smirnov [at] mckinsey.com 20170105 #17:24:16Z source: RADB last-modified: 2023-11-13T16:00:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 157.191.5.0/24 descr: Mckinsey & Company origin: AS23047 mnt-by: MAINT-AS31547 changed: os_ns [at] mckinsey.com 20170106 #13:25:04Z source: RADB last-modified: 2023-11-13T16:00:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 157.191.12.0/24 descr: Mckinsey & Company origin: AS23047 mnt-by: MAINT-AS31547 changed: os_ns [at] mckinsey.com 20170106 #13:25:04Z source: RADB last-modified: 2023-11-13T16:00:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 157.191.14.0/24 descr: Mckinsey & Company origin: AS23047 mnt-by: MAINT-AS31547 changed: os_ns [at] mckinsey.com 20170106 #13:25:04Z source: RADB last-modified: 2023-11-13T16:00:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 157.191.28.0/24 descr: Mckinsey & Company origin: AS23047 mnt-by: MAINT-AS31547 changed: os_ns [at] mckinsey.com 20170707 #14:31:28Z source: RADB last-modified: 2023-11-13T16:00:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 157.191.48.0/24 descr: Mckinsey & Company origin: AS23047 mnt-by: MAINT-AS31547 changed: os_ns [at] mckinsey.com 20170106 #13:25:04Z source: RADB last-modified: 2023-11-13T16:00:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 157.191.49.0/24 descr: Mckinsey & Company origin: AS23047 mnt-by: MAINT-AS31547 changed: os_ns [at] mckinsey.com 20170106 #13:25:04Z source: RADB last-modified: 2023-11-13T16:00:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 157.191.50.0/24 descr: Mckinsey & Company origin: AS23047 mnt-by: MAINT-AS31547 changed: os_ns [at] mckinsey.com 20170106 #13:25:04Z source: RADB last-modified: 2023-11-13T16:00:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 157.191.51.0/24 descr: Mckinsey & Company origin: AS23047 mnt-by: MAINT-AS31547 changed: os_ns [at] mckinsey.com 20170106 #13:25:04Z source: RADB last-modified: 2023-11-13T16:00:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 157.191.61.0/24 descr: Mckinsey & Company origin: AS23047 mnt-by: MAINT-AS31547 changed: os_ns [at] mckinsey.com 20170106 #13:25:04Z source: RADB last-modified: 2023-11-13T16:00:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 157.191.70.0/24 descr: Mckinsey & Company origin: AS23047 mnt-by: MAINT-AS31547 changed: os_ns [at] mckinsey.com 20170106 #13:25:04Z source: RADB last-modified: 2023-11-13T16:00:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 157.191.71.0/24 descr: PNAP-NYM Mckinsey Routs origin: AS23047 mnt-by: MAINT-AS1828 changed: scottl [at] internap.com 20060502 source: RADB last-modified: 2023-11-13T16:13:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 157.191.94.0/24 descr: Mckinsey & Company origin: AS23047 mnt-by: MAINT-AS31547 changed: os_ns [at] mckinsey.com 20170106 #13:25:04Z source: RADB last-modified: 2023-11-13T16:00:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 157.191.95.0/24 descr: Mckinsey & Company origin: AS23047 mnt-by: MAINT-AS31547 changed: os_ns [at] mckinsey.com 20170106 #13:25:04Z source: RADB last-modified: 2023-11-13T16:00:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 157.191.110.0/24 descr: PNAP-NYM mckinsey route origin: AS23047 mnt-by: MAINT-AS1828 changed: bkallinen [at] internap.com 20070724 source: RADB last-modified: 2023-11-13T16:14:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 157.191.129.0/24 descr: Mckinsey & Company origin: AS23047 mnt-by: MAINT-AS31547 changed: os_ns [at] mckinsey.com 20170106 #13:25:04Z source: RADB last-modified: 2023-11-13T16:00:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 157.191.130.0/24 descr: Mckinsey & Company origin: AS23047 mnt-by: MAINT-AS31547 changed: os_ns [at] mckinsey.com 20170106 #13:25:04Z source: RADB last-modified: 2023-11-13T16:00:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 157.191.145.0/24 descr: Mckinsey & Company origin: AS23047 mnt-by: MAINT-AS31547 changed: os_ns [at] mckinsey.com 20170106 #13:25:04Z source: RADB last-modified: 2023-11-13T16:00:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 157.191.146.0/24 descr: Mckinsey & Company origin: AS23047 mnt-by: MAINT-AS31547 changed: os_ns [at] mckinsey.com 20170106 #13:25:04Z source: RADB last-modified: 2023-11-13T16:00:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 157.191.149.0/24 descr: Mckinsey & Company origin: AS23047 mnt-by: MAINT-AS31547 changed: os_ns [at] mckinsey.com 20170106 #13:25:04Z source: RADB last-modified: 2023-11-13T16:00:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 157.191.218.0/24 descr: Proxy-registered route object origin: AS23047 remarks: auto-generated route object remarks: this next line gives the robot something to recognize remarks: L'enfer, c'est les autres remarks: remarks: This route object is for a Level 3 customer route remarks: which is being exported under this origin AS. remarks: remarks: This route object was created because no existing remarks: route object with the same origin was found, and remarks: since some Level 3 peers filter based on these objects remarks: this route may be rejected if this object is not created. remarks: remarks: Please contact dl-routing [at] lumen.com if you have any remarks: questions regarding this object. mnt-by: LEVEL3-MNT changed: roy [at] Level3.net 20070501 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source