Internet Route Registry

These entries are queried from radb.net using whois, you can try my project getting these.

:AS-CTSD

as-set:     AS-CTSD
descr:      ASes within CT Shandong Province
members:    AS17633
members:    AS58540, AS58541, AS136195, AS137690, AS139887
members:    AS59009, AS63549, AS37963, AS131519
mnt-by:     MAINT-AS58540
changed:    18953197371 [at] chinatelecom.cn 20200709  #08:08:36Z
source:     RADB