These entries are queried from radb.net using whois, you can try my project getting these.
:AS55182 route: 108.174.88.0/24 descr: Texas Capital Bank, N.A. descr: 2000 McKinney Avenue descr: Dallas, TX 75201 descr: US origin: AS55182 member-of: rs-tcbn-cfn mnt-by: MNT-TCBN changed: joe.clemens [at] texascapitalbank.com 20180619 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 108.174.89.0/24 descr: Texas Capital Bank, N.A. descr: 2000 McKinney Avenue descr: Dallas, TX 75201 descr: US origin: AS55182 member-of: rs-tcbn-cfn mnt-by: MNT-TCBN changed: joe.clemens [at] texascapitalbank.com 20180619 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 108.174.90.0/24 descr: Texas Capital Bank, N.A. descr: 2000 McKinney Avenue descr: Dallas, TX 75201 descr: US origin: AS55182 member-of: rs-tcbn-inf mnt-by: MNT-TCBN changed: joe.clemens [at] texascapitalbank.com 20180619 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 108.174.91.0/24 descr: Texas Capital Bank, N.A. descr: 2000 McKinney Avenue descr: Dallas, TX 75201 descr: US origin: AS55182 member-of: rs-tcbn-inf mnt-by: MNT-TCBN changed: joe.clemens [at] texascapitalbank.com 20180619 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source