These entries are queried from radb.net using whois, you can try my project getting these.
:AS2015 route: 139.171.0.0/16 descr: Msen, Inc. origin: AS2015 mnt-by: MAINT-AS2015 changed: noc [at] mail.msen.com 20181126 notify: noc [at] mail.msen.com notify: service [at] staff.msen.com notify: wayne [at] staff.msen.com source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 139.171.23.0/24 descr: ADDED FOR - AS2015 origin: AS2015 notify: noc [at] 123.net mnt-by: I123-MNT changed: rpd [at] 123.net 20191213 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 148.59.0.0/19 descr: ADDED FOR - AS2015 origin: AS2015 notify: noc [at] 123.net mnt-by: I123-MNT changed: rpd [at] 123.net 20191213 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 148.59.14.0/24 descr: Msen, Inc. origin: AS2015 mnt-by: MAINT-AS2015 changed: noc [at] mail.msen.com 20230914 notify: noc [at] mail.msen.com notify: service [at] staff.msen.com notify: wayne [at] staff.msen.com source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 148.59.19.0/24 descr: Msen, Inc. origin: AS2015 mnt-by: MAINT-AS2015 changed: noc [at] mail.msen.com 20230914 notify: noc [at] mail.msen.com notify: service [at] staff.msen.com notify: wayne [at] staff.msen.com source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 148.59.21.0/24 descr: Msen, Inc. origin: AS2015 mnt-by: MAINT-AS2015 changed: noc [at] mail.msen.com 20230914 notify: noc [at] mail.msen.com notify: service [at] staff.msen.com notify: wayne [at] staff.msen.com source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 148.59.48.0/21 descr: ADDED FOR - AS2015 origin: AS2015 notify: noc [at] 123.net mnt-by: I123-MNT changed: rpd [at] 123.net 20191213 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 148.59.48.0/21 descr: Msen, Inc. origin: AS2015 mnt-by: MAINT-AS2015 changed: noc [at] mail.msen.com 20181209 notify: noc [at] mail.msen.com notify: service [at] staff.msen.com notify: wayne [at] staff.msen.com source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 148.59.50.0/24 descr: Msen, Inc. origin: AS2015 mnt-by: MAINT-AS2015 changed: noc [at] mail.msen.com 20230914 notify: noc [at] mail.msen.com notify: service [at] staff.msen.com notify: wayne [at] staff.msen.com source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 148.59.64.0/20 descr: ADDED FOR - AS2015 origin: AS2015 notify: noc [at] 123.net mnt-by: I123-MNT changed: rpd [at] 123.net 20191213 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 148.59.80.0/20 descr: Lodden / MSEN Southfield, MI origin: AS2015 mnt-by: I123-MNT changed: rpd [at] 123.net 20030304 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 148.59.80.0/21 descr: Msen, Inc. origin: AS2015 mnt-by: MAINT-AS2015 changed: noc [at] mail.msen.com 20230914 notify: noc [at] mail.msen.com notify: service [at] staff.msen.com notify: wayne [at] staff.msen.com source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 148.59.80.0/21 descr: ADDED FOR - AS2015 origin: AS2015 notify: noc [at] 123.net mnt-by: I123-MNT changed: rpd [at] 123.net 20191213 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.86.2.0/24 descr: Imagination and Information, Inc. 3780 Rochester Rd. Suite 100 Troy, MI 48083, USA origin: AS2015 notify: noc [at] mail.msen.com mnt-by: MAINT-AS2015 changed: elliott [at] mail.msen.com 20000124 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.169.64.0/23 descr: Wayne County Community College 801 W. Fort St. Detroit, MI 48226, USA origin: AS2015 notify: noc [at] mail.msen.com mnt-by: MAINT-AS2015 changed: elliott [at] mail.msen.com 20000124 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.206.182.0/24 descr: GKN Automotive Inc. 3300 University Drive Auburn Hills, MI 48326, USA origin: AS2015 notify: noc [at] mail.msen.com mnt-by: MAINT-AS2015 changed: elliott [at] mail.msen.com 20000124 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.11.32.0/19 descr: Msen, Inc. origin: AS2015 mnt-by: MAINT-AS2015 changed: noc [at] mail.msen.com 20181126 notify: noc [at] mail.msen.com notify: service [at] staff.msen.com notify: wayne [at] staff.msen.com source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.11.32.0/19 descr: ADDED FOR - AS2015 origin: AS2015 notify: noc [at] 123.net mnt-by: I123-MNT changed: rpd [at] 123.net 20191213 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.11.32.0/24 descr: Msen, Inc. origin: AS2015 mnt-by: MAINT-AS2015 changed: noc [at] mail.msen.com 20231017 notify: noc [at] mail.msen.com notify: service [at] staff.msen.com notify: wayne [at] staff.msen.com source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.11.56.0/22 descr: Vultr Customer Route origin: AS2015 notify: network [at] choopa.com mnt-by: MAINT-AS20473 changed: network [at] choopa.com 20221202 #00:35:32-18000 source: RADB last-modified: 2023-11-13T16:13:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.11.56.0/24 descr: Msen, Inc. origin: AS2015 mnt-by: MAINT-AS2015 changed: noc [at] mail.msen.com 20230915 notify: noc [at] mail.msen.com notify: service [at] staff.msen.com notify: wayne [at] staff.msen.com source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.51.241.0/24 descr: Creative Solutions, Inc. 7322 Newman Blvd. Dexter, MI 48130-1557, USA origin: AS2015 notify: noc [at] msen.com mnt-by: MAINT-AS2015 changed: elliott [at] mail.msen.com 20000124 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.99.87.0/24 descr: PM Technologies 1405 Northbrook Drv. Ann Arbor, MI 48103-6166, USA origin: AS2015 notify: noc [at] mail.msen.com mnt-by: MAINT-AS2015 changed: elliott [at] mail.msen.com 20000124 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.99.113.0/24 descr: Matsch Systems, Inc. 900 Ionia NW Grand Rapids, MI 49503, USA origin: AS2015 notify: noc [at] mail.msen.com mnt-by: MAINT-AS2015 changed: elliott [at] mail.msen.com 20000124 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.153.219.0/24 descr: Symplex Communications Corp. 5 Research Drive Ann Arbor, MI 48103, USA origin: AS2015 notify: noc [at] mail.msen.com mnt-by: MAINT-AS2015 changed: elliott [at] mail.msen.com 20000124 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.187.156.0/24 descr: Bertrand Faure, Inc. 2380 Meijer Drive, Suite B Troy, MI 48084, USA origin: AS2015 notify: noc [at] mail.msen.com mnt-by: MAINT-AS2015 changed: elliott [at] mail.msen.com 20000124 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.202.235.0/24 descr: Vultr Customer Route origin: AS2015 notify: network [at] choopa.com mnt-by: MAINT-AS20473 changed: network [at] choopa.com 20221202 #00:35:32-18000 source: RADB last-modified: 2023-11-13T16:13:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.202.235.0/24 descr: ADDED FOR - AS2015 origin: AS2015 notify: noc [at] 123.net mnt-by: I123-MNT changed: rpd [at] 123.net 20191213 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.202.235.0/24 descr: North Star Technical Services 2329 North Wilson Royal Oak, MI 48073-3536, USA origin: AS2015 mnt-by: MAINT-AS2015 changed: noc [at] mail.msen.com 20181126 notify: service [at] staff.msen.com notify: wayne [at] staff.msen.com source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.201.160.0/24 descr: Medical Software Solutions 21800 W. Ten Mile Road Suite 214 Southfield, MI 48075, USA origin: AS2015 notify: noc [at] mail.msen.com mnt-by: MAINT-AS2015 changed: elliott [at] mail.msen.com 20000124 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.211.112.0/20 descr: Msen, Inc. 1899 E. Wattles Rd. Troy, MI 48098, USA origin: AS2015 notify: noc [at] mail.msen.com mnt-by: MAINT-AS2015 changed: elliott [at] mail.msen.com 20000124 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.212.120.0/21 descr: Msen, Inc. 1899 E. Wattles Rd. Troy, MI 48098, USA origin: AS2015 notify: noc [at] mail.msen.com mnt-by: MAINT-AS2015 changed: elliott [at] mail.msen.com 20000124 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source