These entries are queried from radb.net using whois, you can try my project getting these.
:AS396871 route: 137.83.32.0/22 origin: AS396871 descr: Eckoh INC remarks: Eckoh inc, IPv4 route object , object for every prefix originated from our network admin-c: KAPLA27-ARIN tech-c: KAPLA27-ARIN tech-c: NETOP327-ARIN tech-c: RAYME9-ARIN mnt-by: MNT-PSS-175 created: 2021-03-30T13:11:15Z last-modified: 2021-03-30T13:55:14Z source: ARIN rpki-ov-state: valid route: 137.83.32.0/24 origin: AS396871 descr: Eckoh 6700 Mercy Rd, Suite 302 Omaha, NE 68106 Omaha NE 68106 United States remarks: Eckoh inc, IPv4 route object , object for every prefix originated from our network admin-c: KAPLA27-ARIN tech-c: KAPLA27-ARIN tech-c: NETOP327-ARIN tech-c: RAYME9-ARIN mnt-by: MNT-PSS-175 created: 2022-07-05T14:31:06Z last-modified: 2022-07-05T14:31:06Z source: ARIN rpki-ov-state: valid route: 137.83.33.0/24 origin: AS396871 descr: Eckoh INC Eckoh 6700 Mercy Rd, Suite 302 Omaha, NE 68106 Omaha NE 68106 United States remarks: Eckoh inc, IPv4 route object , object for every prefix originated from our network admin-c: KAPLA27-ARIN tech-c: KAPLA27-ARIN tech-c: NETOP327-ARIN tech-c: RAYME9-ARIN mnt-by: MNT-PSS-175 created: 2022-07-05T14:32:23Z last-modified: 2022-07-05T14:32:23Z source: ARIN rpki-ov-state: valid route: 137.83.35.0/24 origin: AS396871 descr: Eckoh INC - AWS BYOIP remarks: This NET is advertised by AWS c/o Eckoh admin-c: KAPLA27-ARIN tech-c: KAPLA27-ARIN tech-c: NETOP327-ARIN tech-c: RAYME9-ARIN mnt-by: MNT-PSS-175 created: 2022-03-09T15:25:15Z last-modified: 2022-03-10T16:27:31Z source: ARIN rpki-ov-state: valid route6: 2604:d0c0::/32 origin: AS396871 descr: Eckoh Inc remarks: Eckoh Inc , IPv6 route object , object for every prefix originated from our network. admin-c: KAPLA27-ARIN tech-c: KAPLA27-ARIN tech-c: NETOP327-ARIN tech-c: RAYME9-ARIN mnt-by: MNT-PSS-175 created: 2021-03-30T13:13:56Z last-modified: 2021-03-30T13:54:33Z source: ARIN rpki-ov-state: valid route6: 2604:d0c0:ecc1::/48 origin: AS396871 descr: Eckoh INC Eckoh 6700 Mercy Rd, Suite 302 Omaha, NE 68106 Omaha NE 68106 United States remarks: Eckoh Inc , IPv6 route object , object for every prefix originated from our network. admin-c: KAPLA27-ARIN tech-c: KAPLA27-ARIN tech-c: NETOP327-ARIN tech-c: RAYME9-ARIN mnt-by: MNT-PSS-175 created: 2022-07-05T14:35:28Z last-modified: 2022-07-05T14:35:28Z source: ARIN rpki-ov-state: valid route6: 2604:d0c0:ecc2::/48 origin: AS396871 descr: Eckoh Inc Eckoh 6700 Mercy Rd, Suite 302 Omaha, NE 68106 Omaha NE 68106 United States remarks: Eckoh Inc , IPv6 route object , object for every prefix originated from our network. admin-c: KAPLA27-ARIN tech-c: KAPLA27-ARIN tech-c: NETOP327-ARIN tech-c: RAYME9-ARIN mnt-by: MNT-PSS-175 created: 2022-07-05T14:34:34Z last-modified: 2022-07-05T14:34:34Z source: ARIN rpki-ov-state: valid