These entries are queried from radb.net using whois, you can try my project getting these.
:AS37286 route: 41.76.248.0/21 descr: Nigeria ICT Forum of Partnership Institutions origin: AS37286 mnt-by: NICTF-MNT changed: *** [at] forum.org.ng 20191012 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 41.76.248.0/24 descr: Nigeria ICT Forum - Abuja origin: AS37286 mnt-by: NICTF-MNT changed: *** [at] forum.org.ng 20191012 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 41.76.249.0/24 descr: Nigeria ICT Forum - Abuja origin: AS37286 mnt-by: NICTF-MNT changed: *** [at] forum.org.ng 20191012 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 41.76.250.0/24 descr: Nigeria ICT Forum - Abuja origin: AS37286 mnt-by: NICTF-MNT changed: *** [at] forum.org.ng 20191012 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 41.76.251.0/24 descr: Nigeria ICT Forum - Abuja origin: AS37286 mnt-by: NICTF-MNT changed: *** [at] forum.org.ng 20191012 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 41.76.252.0/24 descr: Nigeria ICT Forum - Abuja origin: AS37286 mnt-by: NICTF-MNT changed: *** [at] forum.org.ng 20191012 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 41.76.253.0/24 descr: Nigeria ICT Forum - Abuja origin: AS37286 mnt-by: NICTF-MNT changed: *** [at] forum.org.ng 20191012 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 41.76.254.0/24 descr: route object for Nigeria ICT Forum on ripe origin: AS37286 mnt-by: RIPE-NCC-LOCKED-MNT created: 2012-07-03T11:51:44Z last-modified: 2018-09-04T17:11:56Z source: RIPE-NONAUTH remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 41.76.254.0/24 descr: Nigeria ICT Forum - Abuja origin: AS37286 mnt-by: NICTF-MNT changed: *** [at] forum.org.ng 20191012 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 41.76.255.0/24 descr: Nigeria ICT Forum - Abuja origin: AS37286 mnt-by: NICTF-MNT changed: *** [at] forum.org.ng 20191012 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2c0f:ff20::/32 descr: Nigeria ICT Forum / Bandwidth Consortium IPv6 block origin: AS37286 mnt-by: NICTF-MNT changed: *** [at] forum.org.ng 20191012 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source