These entries are queried from radb.net using whois, you can try my project getting these.
:AS409 route: 128.26.35.0/24 descr: CenturyLink Proxy object remarks: to be deleted in March 2017 origin: AS409 notify: job [at] ntt.net mnt-by: MAINT-JOB changed: job [at] ntt.net 20160901 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 128.26.36.0/24 descr: CenturyLink Proxy object remarks: to be deleted in March 2017 origin: AS409 notify: job [at] ntt.net mnt-by: MAINT-JOB changed: job [at] ntt.net 20160901 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 128.26.37.0/24 descr: CenturyLink Proxy object remarks: to be deleted in March 2017 origin: AS409 notify: job [at] ntt.net mnt-by: MAINT-JOB changed: job [at] ntt.net 20160901 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 128.26.38.0/24 descr: CenturyLink Proxy object remarks: to be deleted in March 2017 origin: AS409 notify: job [at] ntt.net mnt-by: MAINT-JOB changed: job [at] ntt.net 20160901 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 128.26.39.0/24 descr: CenturyLink Proxy object remarks: to be deleted in March 2017 origin: AS409 notify: job [at] ntt.net mnt-by: MAINT-JOB changed: job [at] ntt.net 20160901 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 128.216.0.0/20 descr: CenturyLink Proxy object remarks: to be deleted in March 2017 origin: AS409 notify: job [at] ntt.net mnt-by: MAINT-JOB changed: job [at] ntt.net 20160901 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source