These entries are queried from radb.net using whois, you can try my project getting these.
:AS-24086 as-set: AS-24086 descr: Internet Exchange Provider descr: Viettel Corporation country: VN members: AS24086,AS24087,AS24085,AS24173,AS23902,AS7602 members: AS131178,AS24176,AS45551,AS45543,AS45553 members: AS45465,AS38901,AS38723,AS24066,AS24567,AS17976 members: AS9902,AS38725,AS38729,AS17981,AS45124,AS45656 members: AS38248,AS45557,AS45540,AS45903,AS45550,AS45556,AS38738,AS131347,AS45552 tech-c: VIG4-AP admin-c: VIG4-AP mnt-by: MAINT-VN-VIETEL last-modified: 2013-12-11T09:02:21Z source: APNIC