These entries are queried from radb.net using whois, you can try my project getting these.
:AS21637 route: 147.75.160.0/20 descr: add route origin: AS21637 member-of: rs-VIVINT mnt-by: VIVINT-MNT changed: brian.lloyd [at] vivintwireless.com 20150316 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.72.0.0/16 descr: VIVINT-INTERNET-CUSTOMERS origin: AS21637 member-of: rs-VIVINT mnt-by: VIVINT-MNT changed: brian.lloyd [at] vivintinternet.com 20190528 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.72.0.0/19 descr: add route origin: AS21637 member-of: rs-VIVINT mnt-by: VIVINT-MNT changed: brian.lloyd [at] vivintwireless.com 20150316 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.72.64.0/19 descr: add route origin: AS21637 member-of: rs-VIVINT mnt-by: VIVINT-MNT changed: brian.lloyd [at] vivintwireless.com 20150316 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.64.20.0/22 descr: VIVINT-SMARTHOME-RESERVED origin: AS21637 member-of: rs-VIVINT mnt-by: VIVINT-MNT changed: brian.lloyd [at] vivintinternet.com 20190528 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2607:a880::/32 descr: Vivint 2607:a880::/32 origin: AS21637 member-of: rs-VIVINT mnt-by: VIVINT-MNT changed: brian.lloyd [at] vivintinternet.com 20190528 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source