These entries are queried from radb.net using whois, you can try my project getting these.
:AS22140 route: 206.29.160.0/19 descr: TMO origin: AS22140 mnt-by: MAINT-AS21928 changed: cameron.byrne [at] t-mobile.com 20140618 #20:38:46Z source: RADB last-modified: 2023-11-13T15:46:33Z rpki-ov-state: valid route: 206.29.160.0/21 descr: EIT origin: AS22140 mnt-by: MAINT-AS21928 changed: cameron.byrne [at] t-mobile.com 20151120 #20:37:53Z source: RADB last-modified: 2023-11-13T15:48:27Z rpki-ov-state: valid route: 206.29.168.0/22 descr: EIT origin: AS22140 mnt-by: MAINT-AS21928 changed: cameron.byrne [at] t-mobile.com 20151120 #20:39:10Z source: RADB last-modified: 2023-11-13T15:48:27Z rpki-ov-state: valid route: 206.29.176.0/22 descr: EIT origin: AS22140 mnt-by: MAINT-AS21928 changed: cameron.byrne [at] t-mobile.com 20151120 #20:39:47Z source: RADB last-modified: 2023-11-13T15:48:27Z rpki-ov-state: valid route: 206.29.180.0/22 descr: EIT origin: AS22140 mnt-by: MAINT-AS21928 changed: cameron.byrne [at] t-mobile.com 20151120 #20:40:21Z source: RADB last-modified: 2023-11-13T15:48:27Z rpki-ov-state: valid route: 206.29.188.0/24 descr: EIT origin: AS22140 mnt-by: MAINT-AS21928 changed: cameron.byrne [at] t-mobile.com 20151120 #20:40:53Z source: RADB last-modified: 2023-11-13T15:48:27Z rpki-ov-state: valid route: 208.54.128.0/20 descr: EIT origin: AS22140 mnt-by: MAINT-AS21928 changed: cameron.byrne [at] t-mobile.com 20151124 #17:44:53Z source: RADB last-modified: 2023-11-13T15:48:27Z rpki-ov-state: valid route6: 2607:fb90:c13e::/48 descr: v6 origin: AS22140 mnt-by: MAINT-AS21928 changed: cameron.byrne [at] t-mobile.com 20151120 #20:43:59Z source: RADB last-modified: 2023-11-13T15:48:27Z rpki-ov-state: valid