These entries are queried from radb.net using whois, you can try my project getting these.
:AS2003 route: 144.58.0.0/16 descr: Electric Power Research Institute origin: AS2003 mnt-by: MAINT-AS27506 changed: philippe.robillard [at] crowncastle.com 20201201 source: RADB last-modified: 2023-11-13T16:03:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 144.58.0.0/16 descr: EPRI origin: AS2003 notify: ser [at] tch.org mnt-by: MAINT-SER changed: ser [at] tch.org 20050727 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 144.58.40.0/24 descr: Electric Power Research Institute origin: AS2003 mnt-by: MAINT-AS2003 changed: jmanix [at] epri.com 20221014 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 144.58.42.0/24 descr: Electric Power Research Institute origin: AS2003 mnt-by: MAINT-AS2003 changed: jmanix [at] epri.com 20221014 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 144.58.43.0/24 descr: Electric Power Research Institute origin: AS2003 mnt-by: MAINT-AS2003 changed: jmanix [at] epri.com 20221014 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 144.58.44.0/24 descr: RR-RC-Electric Power Research-Texas origin: AS2003 admin-c: IPADD1-ARIN tech-c: IPADD1-ARIN notify: PublicIPAdressing [at] charter.com mnt-by: MAINT-RR changed: PublicIPAdressing [at] charter.com 20230109 source: RADB last-modified: 2023-11-13T16:15:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 144.58.44.0/24 descr: Electric Power Research Institute origin: AS2003 mnt-by: MAINT-AS2003 changed: jmanix [at] epri.com 20221014 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 144.58.46.0/24 descr: Electric Power Research Institute origin: AS2003 mnt-by: MAINT-AS2003 changed: jmanix [at] epri.com 20221014 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 144.58.48.0/24 descr: Electric Power Research Institute origin: AS2003 mnt-by: MAINT-AS2003 changed: jmanix [at] epri.com 20221014 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 144.58.49.0/24 descr: Electric Power Research Institute origin: AS2003 mnt-by: MAINT-AS2003 changed: jmanix [at] epri.com 20221014 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 144.58.50.0/24 descr: Electric Power Research Institute origin: AS2003 mnt-by: MAINT-AS2003 changed: jmanix [at] epri.com 20221014 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 144.58.50.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS2003 remarks: Proxy add for EDIA customer Electric Power Research Institute mnt-by: MAINT-AS7922 changed: christopher_dotson3 [at] comcast.com 20200831 source: RADB last-modified: 2023-11-13T16:01:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 144.58.51.0/24 descr: Electric Power Research Institute origin: AS2003 mnt-by: MAINT-AS2003 changed: jmanix [at] epri.com 20231004 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 144.58.96.0/22 descr: Electric Power Research Institute origin: AS2003 mnt-by: MAINT-AS2003 changed: jmanix [at] epri.com 20221014 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 144.58.112.0/20 descr: Electric Power Research Institute origin: AS2003 mnt-by: MAINT-AS2003 changed: jmanix [at] epri.com 20221014 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 144.58.112.0/20 descr: Proxy-registered route object origin: AS2003 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 20070222 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 144.58.129.0/24 descr: Electric Power Research Institute origin: AS2003 mnt-by: MAINT-AS2003 changed: jmanix [at] epri.com 20221014 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 144.58.140.0/24 descr: Electric Power Research Institute origin: AS2003 mnt-by: MAINT-AS2003 changed: jmanix [at] epri.com 20221014 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 144.58.144.0/24 descr: Electric Power Research Institute origin: AS2003 mnt-by: MAINT-AS2003 changed: jmanix [at] epri.com 20221014 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 144.58.176.0/20 descr: Electric Power Research Institute origin: AS2003 mnt-by: MAINT-AS2003 changed: jmanix [at] epri.com 20221014 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 144.58.208.0/20 descr: Electric Power Research Institute origin: AS2003 mnt-by: MAINT-AS2003 changed: jmanix [at] epri.com 20221014 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 144.58.224.0/20 descr: Electric Power Research Institute origin: AS2003 mnt-by: MAINT-AS2003 changed: jmanix [at] epri.com 20221014 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 144.58.240.0/21 descr: Electric Power Research Institute origin: AS2003 mnt-by: MAINT-AS2003 changed: jmanix [at] epri.com 20221014 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 144.58.241.0/24 descr: Electric Power Research Institute origin: AS2003 mnt-by: MAINT-AS2003 changed: jmanix [at] epri.com 20221014 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 144.58.242.0/24 descr: Electric Power Research Institute origin: AS2003 mnt-by: MAINT-AS2003 changed: jmanix [at] epri.com 20221014 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 144.58.248.0/21 descr: Electric Power Research Institute origin: AS2003 mnt-by: MAINT-AS2003 changed: jmanix [at] epri.com 20221014 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source