These entries are queried from radb.net using whois, you can try my project getting these.
:AS53361 route: 74.121.56.0/21 descr: Packet Forensics Primary origin: AS53361 remarks: Packet Forensics Networks remarks: remarks: -- Operational Contacts -- remarks: Abuse: abuse [at] packetforensics.com remarks: Security: security [at] packetforensics.com remarks: NOC/Other: noc [at] packetforensics.com remarks: mnt-by: MAINT-PACKET-FORENSICS changed: netadmin [at] packetforensics.com 20100107 source: ALTDB rpki-ov-state: valid route: 74.121.56.0/21 origin: AS53361 descr: Packet Forensics 315 W Elliot Rd Suite 107-178 Tempe AZ 85284 United States admin-c: ADMIN1841-ARIN tech-c: ADMIN1841-ARIN tech-c: NETWO3573-ARIN mnt-by: MNT-PACKE-41 created: 2021-11-01T16:39:17Z last-modified: 2021-11-01T16:39:17Z source: ARIN rpki-ov-state: valid route: 74.121.56.0/22 origin: AS53361 descr: Packet Forensics 315 W Elliot Rd Suite 107-178 Tempe AZ 85284 United States admin-c: ADMIN1841-ARIN tech-c: ADMIN1841-ARIN tech-c: NETWO3573-ARIN mnt-by: MNT-PACKE-41 created: 2021-11-01T16:41:06Z last-modified: 2021-11-01T16:41:06Z source: ARIN rpki-ov-state: valid route: 74.121.56.0/24 origin: AS53361 descr: Packet Forensics 315 W Elliot Rd Suite 107-178 Tempe AZ 85284 United States admin-c: ADMIN1841-ARIN tech-c: ADMIN1841-ARIN tech-c: NETWO3573-ARIN mnt-by: MNT-PACKE-41 created: 2021-11-01T16:42:52Z last-modified: 2021-11-01T16:42:52Z source: ARIN rpki-ov-state: valid route: 74.121.57.0/24 origin: AS53361 descr: Packet Forensics 315 W Elliot Rd Suite 107-178 Tempe AZ 85284 United States admin-c: ADMIN1841-ARIN tech-c: ADMIN1841-ARIN tech-c: NETWO3573-ARIN mnt-by: MNT-PACKE-41 created: 2021-11-01T16:43:24Z last-modified: 2021-11-01T16:43:24Z source: ARIN rpki-ov-state: valid route: 74.121.58.0/24 origin: AS53361 descr: Packet Forensics 315 W Elliot Rd Suite 107-178 Tempe AZ 85284 United States admin-c: ADMIN1841-ARIN tech-c: ADMIN1841-ARIN tech-c: NETWO3573-ARIN mnt-by: MNT-PACKE-41 created: 2021-11-01T16:43:53Z last-modified: 2021-11-01T16:43:53Z source: ARIN rpki-ov-state: valid route: 74.121.59.0/24 origin: AS53361 descr: Packet Forensics 315 W Elliot Rd Suite 107-178 Tempe AZ 85284 United States admin-c: ADMIN1841-ARIN tech-c: ADMIN1841-ARIN tech-c: NETWO3573-ARIN mnt-by: MNT-PACKE-41 created: 2021-11-01T16:44:33Z last-modified: 2021-11-01T16:44:33Z source: ARIN rpki-ov-state: valid route: 74.121.60.0/23 origin: AS53361 descr: Packet Forensics 315 W Elliot Rd Suite 107-178 Tempe AZ 85284 United States admin-c: ADMIN1841-ARIN tech-c: ADMIN1841-ARIN tech-c: NETWO3573-ARIN mnt-by: MNT-PACKE-41 created: 2021-11-01T16:41:39Z last-modified: 2021-11-01T16:41:39Z source: ARIN rpki-ov-state: valid route: 74.121.60.0/24 origin: AS53361 descr: Packet Forensics 315 W Elliot Rd Suite 107-178 Tempe AZ 85284 United States admin-c: ADMIN1841-ARIN tech-c: ADMIN1841-ARIN tech-c: NETWO3573-ARIN mnt-by: MNT-PACKE-41 created: 2021-11-01T16:45:08Z last-modified: 2021-11-01T16:45:08Z source: ARIN rpki-ov-state: valid route: 74.121.61.0/24 origin: AS53361 descr: Packet Forensics 315 W Elliot Rd Suite 107-178 Tempe AZ 85284 United States admin-c: ADMIN1841-ARIN tech-c: ADMIN1841-ARIN tech-c: NETWO3573-ARIN mnt-by: MNT-PACKE-41 created: 2021-11-01T16:45:34Z last-modified: 2021-11-01T16:45:34Z source: ARIN rpki-ov-state: valid route: 74.121.62.0/23 origin: AS53361 descr: Packet Forensics 315 W Elliot Rd Suite 107-178 Tempe AZ 85284 United States admin-c: ADMIN1841-ARIN tech-c: ADMIN1841-ARIN tech-c: NETWO3573-ARIN mnt-by: MNT-PACKE-41 created: 2021-11-01T16:42:13Z last-modified: 2021-11-01T16:42:13Z source: ARIN rpki-ov-state: valid route: 74.121.62.0/24 origin: AS53361 descr: Packet Forensics 315 W Elliot Rd Suite 107-178 Tempe AZ 85284 United States admin-c: ADMIN1841-ARIN tech-c: ADMIN1841-ARIN tech-c: NETWO3573-ARIN mnt-by: MNT-PACKE-41 created: 2021-11-01T16:46:02Z last-modified: 2021-11-01T16:46:02Z source: ARIN rpki-ov-state: valid route: 74.121.63.0/24 origin: AS53361 descr: Packet Forensics 315 W Elliot Rd Suite 107-178 Tempe AZ 85284 United States admin-c: ADMIN1841-ARIN tech-c: ADMIN1841-ARIN tech-c: NETWO3573-ARIN mnt-by: MNT-PACKE-41 created: 2021-11-01T16:46:33Z last-modified: 2021-11-01T16:46:33Z source: ARIN rpki-ov-state: valid route6: 2620:d3:4000::/48 origin: AS53361 descr: Packet Forensics 315 W Elliot Rd Suite 107-178 Tempe AZ 85284 United States admin-c: ADMIN1841-ARIN tech-c: ADMIN1841-ARIN tech-c: NETWO3573-ARIN mnt-by: MNT-PACKE-41 created: 2021-11-01T16:40:19Z last-modified: 2021-11-01T16:40:19Z source: ARIN rpki-ov-state: valid